EP1714040B1 - Assembly of two electrically actuated pilot valves - Google Patents

Assembly of two electrically actuated pilot valves Download PDF

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Publication number
EP1714040B1
EP1714040B1 EP05717493A EP05717493A EP1714040B1 EP 1714040 B1 EP1714040 B1 EP 1714040B1 EP 05717493 A EP05717493 A EP 05717493A EP 05717493 A EP05717493 A EP 05717493A EP 1714040 B1 EP1714040 B1 EP 1714040B1
Authority
EP
European Patent Office
Prior art keywords
solenoid valve
electrical connection
connection means
face
connector
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
EP05717493A
Other languages
German (de)
French (fr)
Other versions
EP1714040A1 (en
Inventor
Daniel Solet
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Asco SAS
Original Assignee
Asco Joucomatic SA
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Filing date
Publication date
Application filed by Asco Joucomatic SA filed Critical Asco Joucomatic SA
Publication of EP1714040A1 publication Critical patent/EP1714040A1/en
Application granted granted Critical
Publication of EP1714040B1 publication Critical patent/EP1714040B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0832—Modular valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/043—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with electrically-controlled pilot valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0846—Electrical details
    • F15B13/0853—Electric circuit boards
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0846—Electrical details
    • F15B13/0857—Electrical connecting means, e.g. plugs, sockets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/08—Assemblies of units, each for the control of a single servomotor only
    • F15B13/0803—Modular units
    • F15B13/0846—Electrical details
    • F15B13/0864—Signalling means, e.g. LEDs

Definitions

  • the invention relates to an assembly of two pilot solenoid valves, of the type comprising a single external electrical connector from which are established electrical connections for each solenoid valve.
  • Such an assembly is provided in particular for controlling a pneumatic distributor in bistable function.
  • the solenoid valve manufacturers have provided electrical connection bridges designed to electrically connect the two pilot solenoid valves on a base.
  • This base exerts a pneumatic interface function between the pilot solenoid valves and a distributor.
  • An electrical connector is provided on the base which has electrical connection elements with each of the solenoid valves. The base thus exerts an electrical connection function complementary to its pneumatic interface function.
  • EP 0 883 142 has a set of two coils whose connectors are connected to a printed circuit to ensure the control of the windings using a single power terminal.
  • FR 2,617,565 has a solenoid valve comprising a pair of pilot modules attached to the respective sides of a valve main body and an interconnect box attached to the lower surface of the assembly formed by the main body and the pilot modules.
  • EP 1 070 892 has an assembly comprising one or more manifolds each comprising a solenoid valve, the collectors being connected together so as to be controlled by a single unit of ordered.
  • the object of the invention is, above all, to propose an assembly of two pilot solenoid valves which makes it possible to simplify the wiring and to reduce the production costs, in particular by reducing the wiring time.
  • an assembly of two pilot solenoid valves of the type defined above is characterized in that the external electrical connector is provided on a first solenoid valve, that first electrical connection means are provided on one face of the first solenoid valve, that second electrical connection means conjugated to those of the first solenoid valve are provided on one side of the second solenoid valve and that the arrangement of the solenoid valves in the assembly is such that the direct cooperation of the first and second electrical connection means is provided during the realization of the assembly.
  • Such an assembly is advantageously provided for controlling a pneumatic distributor in bistable function.
  • the first and second electrical connection means are preferably located within the contour of the corresponding face of the solenoid valve.
  • Each solenoid valve may have an elongated rectangular substantially parallelepipedal shape, and each face provided with electrical connection means is a longitudinal end face.
  • the solenoid valves can be assembled head to tail.
  • the first electrical connection means are advantageously constituted by a portion, male or female, of an electrical connector, while the second conjugate electrical connection means are constituted by the other part, female or male, of the electrical connector.
  • the two parts of the connector are intended to be joined preferably by translation.
  • a junction element is generally provided between the solenoid valves. This connecting element can be crossed by first pins of the male part of the connector.
  • connection face of a solenoid valve may comprise second pins fixed to the body of the solenoid valve to ensure the transmission of the current, while a printed circuit board is fixed against this face and on these second pins, this card comprising one of the parts of the connector.
  • the invention also relates to a first solenoid valve, for an assembly as defined above, characterized in that it comprises an external electrical connector from which are established electrical connections with first electrical connection means provided on a face of the solenoid valve for cooperating with electrical connection means conjugated to another solenoid valve.
  • a second solenoid valve for such an assembly is characterized in that it comprises electrical connection means provided on one side of the solenoid valve to cooperate with electrical connection means conjugated with another solenoid valve, and that it is free of any external electrical connector.
  • FIG. 1 we can see an assembly A of a first pilot solenoid valve 1 and a second pilot solenoid valve 2.
  • Each solenoid valve comprises a body 1a, 2a constituting the main part on which is fixed at one end, a second part 1b, 2b .
  • Each pilot solenoid valve may be of the 3/2 type, that is, three orifices and two positions. In piloting applications of a pneumatic distributor in bistable function, it is necessary to use two pilot solenoid valves of this type. Energizing one of the two pilot solenoid valves allows, for example, a first stable position of the distributor because one of the solenoid valves admit pressurized fluid against one end of the distributor spool while the other pilot solenoid valve connects to the valve. atmosphere the other end of the dispenser drawer. Turning on the second pilot solenoid valve and turning off the first pilot solenoid valve reverses the configuration and the distributor then takes a second stable position.
  • Switching off the two solenoid valves makes it possible either to keep the dispenser in a stable position, such as it had been caused when one of the two solenoid valves was energized, or to position the distributor in a third position. stable, intermediate positions caused by switching on one of the two pilot solenoid valves.
  • the assembly A comprises a single external electrical connector 3 which is provided on the first solenoid valve 1. This connector 3 constitutes, for a user, the only electrical interface between the assembly A and the two solenoid valves.
  • the connector 3 comprises a sleeve 3a externally threaded and parallel inner pins 3b in sufficient number for the electrical functions to ensure.
  • the connector comprises at least one common pin and a pin that is specific to each solenoid valve, which makes it possible to turn on a solenoid valve independently of the solenoid valve. the other.
  • Each solenoid valve 1, 2 has a substantially parallelepiped rectangular elongated shape. According to the representation of Figs. 1 and 2 , the large size of the solenoid valves is arranged horizontally, while on Figs. 3 to 6 this large dimension is oriented vertically. As clearly visible on Fig. 3 , first electrical connection means C1 are provided on a face 4 of the first solenoid valve 1. This face 4 is a longitudinal end face, orthogonal to the large dimension of the solenoid valve.
  • the first electrical connection means C1 consist of a part 5a, male in the example shown, of an electrical connector.
  • This part 5a comprises, for example, first four parallel pins 6a.
  • the first connection means C1 may be fixed on a printed circuit board 7a with an integrated electronic ensuring in particular visualization functions, interference suppression and protection against overvoltages.
  • the power supply of the first useful pins 6a is provided from terminals 8 constituted by printed conductive rings surrounding holes 9 provided in the wafer 7a.
  • This plate 7a is fixed against the face 4 of the solenoid valve by any appropriate means and the holes 9 are traversed by second pins 10 projecting on the face 4 perpendicularly to this face.
  • the conductive rings 8 are welded, for example to tin, to the respective second pins 10 which are electrically connected inside the body 1a of the solenoid valve, across an electromagnetic coil and to the respective pins 3b.
  • the power supply of the first pins 6a is thus provided from the pins 3b.
  • the face 4 is surrounded by an extension 11 of the outer wall of the body of the solenoid valve and the electrical connection means C1 are located inside the contour of the face 4.
  • the first solenoid valve 1 may comprise three pins 10 corresponding to a common contact and two feed contacts.
  • the second solenoid valve 2 as visible on Figs. 2 , 5 and 6 , comprises second electrical connecting means C2 conjugated means C1.
  • These second connecting means C2 consist, in the example considered, by a female part 5b of electrical connector conjugate of the male part 5a.
  • Part 5b has sockets 6b adapted to receive the first pins 6a.
  • the second connecting means C2 are provided on a longitudinal end face 12 of the second solenoid valve 2, within the contour of this face delimited by an extension 13 of the outer wall of the body 2a.
  • the second electrical connection means C2, 5b are advantageously fixed on a printed circuit board 7b having, like the wafer 7a, an electronics providing visualization, interference suppression and overvoltage protection functions.
  • the wafer 7b has holes such as 14 ( Fig.6 ) surrounded by printed conductive rings 15.
  • each hole such as 14 is traversed by a second pin 16 protruding perpendicular to the face 12 and connected to a terminal of an electromagnetic coil (not visible) located inside the body 2a for controlling the displacement of a core of the solenoid valve 2.
  • the second pins 16 are soldered to the tin rings 14.
  • the plate 7b is fixed against the face 12 by any suitable means.
  • the second solenoid valve 2 is free of any external connector similar to the connector 3 of the solenoid valve 1.
  • a junction box 17 ( Figs.1 and 2 ) of insulating plastic material is provided to be placed between the two solenoid valves 1, 2 during their assembly head to tail.
  • This housing 17 has a cover 18 provided with windows 19 to benefit from the display function of the plates 7a, 7b; for example a light source provided on these plates 7a, 7b lights up when the solenoid valves are under tension, which is visible through the windows 19.
  • the housing 17 is provided to fit on each end of the solenoid valves.
  • the first pins 6a have a sufficient length to pass through the housing 17 and to protrude, on the opposite side, to enter by translation into the corresponding bushes 6b of the female connector portion 5b.
  • the solenoid valves 1 and 2 are arranged head to tail as illustrated in Fig. 2 , With the junction box 17 between them. This casing is put in place, by translation, against the solenoid valve 1. Then the solenoid valve 2 is put in place by translation against the casing 17. During this operation the first pins 6a engage in the corresponding sleeves 6b of the connector portion 5b.
  • the casing 17 closes the assembly and maintains a seal which guarantees the seal.
  • connection of the connector 3 to a not shown cable ensures, with the pins 3b provided in sufficient number, the supply of the solenoid valve 1 and the separate supply of the solenoid valve 2 by the pins 6a and the sockets 6b inside the envelope of said solenoid valves.
  • the wiring time of the two solenoid valves is reduced since the electrical connection of the first solenoid valve 1 can also connect the second solenoid valve 2, without having to resort to the use of a complementary electrical connection.
  • the double pilot formed by the assembly of solenoid valves 1 and 2, can be adapted to any distributor, only by fitting the pneumatic distribution plate E.

Description

L'invention est relative à un assemblage de deux électrovannes pilotes, du genre comportant un seul connecteur électrique extérieur à partir duquel sont établies des liaisons électriques pour chaque électrovanne.The invention relates to an assembly of two pilot solenoid valves, of the type comprising a single external electrical connector from which are established electrical connections for each solenoid valve.

Un tel assemblage est prévu en particulier pour le pilotage d'un distributeur pneumatique en fonction bistable.Such an assembly is provided in particular for controlling a pneumatic distributor in bistable function.

Dans un souci de réduction des temps de câblage de ce genre de matériel, les constructeurs d'électrovannes ont prévu des ponts de connectique électrique conçus de manière à raccorder électriquement les deux électrovannes pilotes sur une embase. Cette embase exerce une fonction d'interface pneumatique entre les électrovannes pilotes et un distributeur. Un connecteur électrique est prévu sur l'embase qui comporte des éléments de connexion électrique avec chacune des électrovannes. L'embase exerce ainsi une fonction de raccordement électrique complémentaire à sa fonction d'interface pneumatique.In order to reduce the wiring times for this type of equipment, the solenoid valve manufacturers have provided electrical connection bridges designed to electrically connect the two pilot solenoid valves on a base. This base exerts a pneumatic interface function between the pilot solenoid valves and a distributor. An electrical connector is provided on the base which has electrical connection elements with each of the solenoid valves. The base thus exerts an electrical connection function complementary to its pneumatic interface function.

EP 0 883 142 présente un ensemble de deux bobinages dont les connecteurs sont reliés à un circuit imprimé permettant d'assurer la commande des bobinages à l'aide d'un unique terminal de puissance. EP 0 883 142 has a set of two coils whose connectors are connected to a printed circuit to ensure the control of the windings using a single power terminal.

FR 2 617 565 présente une électrovalve comprenant une paire de modules pilotes fixés sur les cotés respectifs d'un corps principal de valve et un boîtier d'interconnexion fixé à la surface inférieure de l'ensemble formé par le corps principal et les modules pilotes. FR 2,617,565 has a solenoid valve comprising a pair of pilot modules attached to the respective sides of a valve main body and an interconnect box attached to the lower surface of the assembly formed by the main body and the pilot modules.

EP 1 070 892 présente un ensemble comprenant un ou plusieurs collecteurs comprenant chacun une électrovalve, les collecteurs étant reliés entre eux de manière à pouvoir être pilotés par une unique unité de commande. EP 1 070 892 has an assembly comprising one or more manifolds each comprising a solenoid valve, the collectors being connected together so as to be controlled by a single unit of ordered.

L'invention a pour but, surtout de proposer un assemblage de deux électrovannes pilotes qui permet de simplifier le câblage et de réduire les coûts de réalisation, notamment en réduisant le temps de câblage.The object of the invention is, above all, to propose an assembly of two pilot solenoid valves which makes it possible to simplify the wiring and to reduce the production costs, in particular by reducing the wiring time.

Selon l'invention, un assemblage de deux électrovannes pilotes du genre défini précédemment est caractérisé en ce que le connecteur électrique extérieur est prévu sur une première électrovanne, que des premiers moyens de liaison électrique sont prévus sur une face de la première électrovanne, que des seconds moyens de liaison électrique conjugués de ceux de la première électrovanne sont prévus sur une face de la deuxième électrovanne et que la disposition des électrovannes dans l'assemblage est telle que la coopération directe des premiers et seconds moyens de liaison électrique est assurée lors de la réalisation de l'assemblage.According to the invention, an assembly of two pilot solenoid valves of the type defined above is characterized in that the external electrical connector is provided on a first solenoid valve, that first electrical connection means are provided on one face of the first solenoid valve, that second electrical connection means conjugated to those of the first solenoid valve are provided on one side of the second solenoid valve and that the arrangement of the solenoid valves in the assembly is such that the direct cooperation of the first and second electrical connection means is provided during the realization of the assembly.

Un tel assemblage est avantageusement prévu pour le pilotage d'un distributeur pneumatique en fonction bistable.Such an assembly is advantageously provided for controlling a pneumatic distributor in bistable function.

Les premiers et seconds moyens de liaison électrique sont situés de préférence à l'intérieur du contour de la face correspondante de l'électrovanne.The first and second electrical connection means are preferably located within the contour of the corresponding face of the solenoid valve.

Chaque électrovanne peut présenter une forme sensiblement parallélépipédique rectangle allongée, et chaque face munie de moyens de liaison électrique est une face d'extrémité longitudinale. Les électrovannes peuvent être assemblées tête-bêche.Each solenoid valve may have an elongated rectangular substantially parallelepipedal shape, and each face provided with electrical connection means is a longitudinal end face. The solenoid valves can be assembled head to tail.

Les premiers moyens de liaison électrique sont avantageusement constitués par une partie, mâle ou femelle, d'un connecteur électrique, tandis que les seconds moyens de liaison électrique conjugués sont constitués par l'autre partie, femelle ou mâle, du connecteur électrique. Les deux parties du connecteur sont prévues pour être réunies de préférence par translation.The first electrical connection means are advantageously constituted by a portion, male or female, of an electrical connector, while the second conjugate electrical connection means are constituted by the other part, female or male, of the electrical connector. The two parts of the connector are intended to be joined preferably by translation.

Un élément de jonction est généralement prévu entre les électrovannes. Cet élément de jonction peut être traversé par des premières broches de la partie mâle du connecteur.A junction element is generally provided between the solenoid valves. This connecting element can be crossed by first pins of the male part of the connector.

Chaque face de connexion d'une électrovanne peut comporter des secondes broches fixées au corps de l'électrovanne pour assurer la transmission du courant, tandis qu'une carte de circuit imprimé est fixée contre cette face et sur ces secondes broches, cette carte comportant l'une des parties du connecteur.Each connection face of a solenoid valve may comprise second pins fixed to the body of the solenoid valve to ensure the transmission of the current, while a printed circuit board is fixed against this face and on these second pins, this card comprising one of the parts of the connector.

L'invention est également relative à une première électrovanne, pour un assemblage tel que défini précédemment, caractérisée en ce qu'elle comporte un connecteur électrique extérieur à partir duquel sont établies des liaisons électriques avec des premiers moyens de liaison électrique prévus sur une face de l'électrovanne pour coopérer avec des moyens de liaison électrique conjugués d'une autre électrovanne.The invention also relates to a first solenoid valve, for an assembly as defined above, characterized in that it comprises an external electrical connector from which are established electrical connections with first electrical connection means provided on a face of the solenoid valve for cooperating with electrical connection means conjugated to another solenoid valve.

Une deuxième électrovanne pour un tel assemblage est caractérisée en ce qu'elle comporte des moyens de liaison électrique prévus sur une face de l'électrovanne pour coopérer avec des moyens de liaison électrique conjugués d'une autre électrovanne, et qu'elle est libre de tout connecteur électrique extérieur.A second solenoid valve for such an assembly is characterized in that it comprises electrical connection means provided on one side of the solenoid valve to cooperate with electrical connection means conjugated with another solenoid valve, and that it is free of any external electrical connector.

L'invention consiste, mises à part les dispositions exposées ci-dessus, en un certain nombre d'autres dispositions dont il sera plus explicitement question ci-après à propos d'un exemple de réalisation décrit en détail avec référence aux dessins annexés, mais qui n'est nullement limitatif.The invention consists, apart from the arrangements described above, in a certain number of other arrangements which will be more explicitly discussed below with respect to an exemplary embodiment described in detail with reference to the accompanying drawings, but which is in no way limiting.

Sur ces dessins :

  • Fig. 1 est une vue en perspective d'un assemblage de deux électrovannes pilotes selon l'invention ;
  • Fig. 2 est une vue en perspective des deux électrovannes de Fig. 1 en cours d'assemblage ;
  • Fig. 3 est une vue en perspective, à plus grande échelle, d'une partie de la première électrovanne dont la grande dimension est orientée verticalement ;
  • Fig. 4 montre, semblablement à Fig. 3, la partie de la première électrovanne et un circuit électronique en cours de montage sur cette électrovanne ;
  • Fig. 5 montre, semblablement à Fig. 3, une partie de la deuxième électrovanne, et
  • Fig. 6 montre la partie de deuxième électrovanne de Fig. 5 et un circuit électronique associé en cours de montage.
On these drawings:
  • Fig. 1 is a perspective view of an assembly of two pilot solenoid valves according to the invention;
  • Fig. 2 is a perspective view of the two solenoid valves Fig. 1 during assembly;
  • Fig. 3 is a perspective view, on a larger scale, of a part of the first solenoid valve whose large dimension is oriented vertically;
  • Fig. 4 shows, similarly to Fig. 3 , the part of the first solenoid valve and an electronic circuit being mounted on this solenoid valve;
  • Fig. 5 shows, similarly to Fig. 3 , part of the second solenoid valve, and
  • Fig. 6 shows the second solenoid valve part of Fig. 5 and an associated electronic circuit being mounted.

En se reportant aux dessins, notamment à Fig. 1, on peut voir un assemblage A d'une première électrovanne pilote 1 et d'une deuxième électrovanne pilote 2. Chaque électrovanne comporte un corps 1a, 2a constituant la partie principale sur laquelle est fixée, à une extrémité, une deuxième partie 1b, 2b.Referring to the drawings, in particular Fig. 1 , we can see an assembly A of a first pilot solenoid valve 1 and a second pilot solenoid valve 2. Each solenoid valve comprises a body 1a, 2a constituting the main part on which is fixed at one end, a second part 1b, 2b .

Chaque électrovanne pilote peut être du type 3/2, c'est-à-dire à trois orifices et à deux positions. Dans les applications de pilotage d'un distributeur pneumatique en fonction bistable, il est nécessaire d'utiliser deux électrovannes pilotes de ce type. Une mise sous tension d'une des deux électrovannes pilotes permet, par exemple, une première position stable du distributeur car l'une des électrovannes admet du fluide sous pression contre une extrémité du tiroir du distributeur tandis que l'autre électrovanne pilote relie à l'atmosphère l'autre extrémité du tiroir du distributeur. La mise sous tension de la seconde électrovanne pilote ainsi que la mise hors tension de la première électrovanne pilote inverse la configuration et le distributeur prend alors une deuxième position stable. La mise hors tension des deux électrovannes permet, soit de garder le distributeur dans une position stable, telle qu'elle avait été provoquée lors de la mise sous tension d'une des deux électrovannes, soit la mise en position du distributeur dans une troisième position stable, intermédiaire des positions provoquées par la mise sous tension d'une des deux électrovannes pilotes.Each pilot solenoid valve may be of the 3/2 type, that is, three orifices and two positions. In piloting applications of a pneumatic distributor in bistable function, it is necessary to use two pilot solenoid valves of this type. Energizing one of the two pilot solenoid valves allows, for example, a first stable position of the distributor because one of the solenoid valves admit pressurized fluid against one end of the distributor spool while the other pilot solenoid valve connects to the valve. atmosphere the other end of the dispenser drawer. Turning on the second pilot solenoid valve and turning off the first pilot solenoid valve reverses the configuration and the distributor then takes a second stable position. Switching off the two solenoid valves makes it possible either to keep the dispenser in a stable position, such as it had been caused when one of the two solenoid valves was energized, or to position the distributor in a third position. stable, intermediate positions caused by switching on one of the two pilot solenoid valves.

Sur Fig. 1 on a représenté schématiquement le distributeur piloté D, sous l'assemblage A, avec une embase E constituant une interface pneumatique entre les électrovannes pilotes 1, 2 et le distributeur D.Sure Fig. 1 schematically shown the controlled distributor D, under the assembly A, with a base E constituting a pneumatic interface between the pilot solenoid valves 1, 2 and the distributor D.

L'assemblage A comporte un seul connecteur électrique extérieur 3 qui est prévu sur la première électrovanne 1. Ce connecteur 3 constitue, pour un utilisateur, la seule interface électrique entre l'assemblage A et les deux électrovannes.The assembly A comprises a single external electrical connector 3 which is provided on the first solenoid valve 1. This connector 3 constitutes, for a user, the only electrical interface between the assembly A and the two solenoid valves.

Le connecteur 3, selon l'exemple représenté, comporte un manchon 3a fileté extérieurement et des broches intérieures parallèles 3b en nombre suffisant pour les fonctions électriques à assurer. En particulier, le connecteur comprend au moins une broche commune et une broche propre à chaque électrovanne ce qui permet la mise sous tension d'une électrovanne indépendamment do l'autre.The connector 3, according to the example shown, comprises a sleeve 3a externally threaded and parallel inner pins 3b in sufficient number for the electrical functions to ensure. In particular, the connector comprises at least one common pin and a pin that is specific to each solenoid valve, which makes it possible to turn on a solenoid valve independently of the solenoid valve. the other.

Chaque électrovanne 1, 2 présente une forme sensiblement parallélépipédique rectangle allongée. Selon la représentation des Figs. 1 et 2, la grande dimension des électrovannes est disposée horizontalement, tandis que sur Figs. 3 à 6, cette grande dimension est orientée verticalement. Comme bien visible sur Fig. 3, des premiers moyens de liaison électrique C1 sont prévus sur une face 4 de la première électrovanne 1. Cette face 4 est une face d'extrémité longitudinale, orthogonale à la grande dimension de l'électrovanne.Each solenoid valve 1, 2 has a substantially parallelepiped rectangular elongated shape. According to the representation of Figs. 1 and 2 , the large size of the solenoid valves is arranged horizontally, while on Figs. 3 to 6 this large dimension is oriented vertically. As clearly visible on Fig. 3 , first electrical connection means C1 are provided on a face 4 of the first solenoid valve 1. This face 4 is a longitudinal end face, orthogonal to the large dimension of the solenoid valve.

Les premiers moyens de liaison électrique C1 sont constitués par une partie 5a, mâle dans l'exemple représenté, d'un connecteur electrique. Cette parte 5a comporte, par exemple, quatre premières broches parallèles 6a.The first electrical connection means C1 consist of a part 5a, male in the example shown, of an electrical connector. This part 5a comprises, for example, first four parallel pins 6a.

Les premiers moyens de liaison C1 peuvent être fixés sur une plaquette 7a à circuit imprimé avec une électronique intégrée assurant notamment des fonctions de visualisation, d'antiparasitage et de protection contre les surtensions. L'alimentation électrique des premières broches utiles 6a est assurée à partir de bornes 8 constituées par des anneaux conducteurs imprimés entourant des trous 9 prévus dans la plaquette 7a. Cette plaquette 7a est fixée contre la face 4 de l'électrovanne par tout moyen approprié et les trous 9 sont traversés par des secondes broches 10 faisant saillie sur la face 4 perpendiculairement à cette face. Les anneaux conducteurs 8 sont soudés, par exemple à l'étain, aux secondes broches 10 respectives lesquelles sont reliées électriquement, à l'intérieur du corps la de l'électrovanne, aux bornes d'une bobine électromagnétique et aux broches respectives 3b. L'alimentation électrique des premières broches 6a est ainsi assurée à partir des broches 3b.The first connection means C1 may be fixed on a printed circuit board 7a with an integrated electronic ensuring in particular visualization functions, interference suppression and protection against overvoltages. The power supply of the first useful pins 6a is provided from terminals 8 constituted by printed conductive rings surrounding holes 9 provided in the wafer 7a. This plate 7a is fixed against the face 4 of the solenoid valve by any appropriate means and the holes 9 are traversed by second pins 10 projecting on the face 4 perpendicularly to this face. The conductive rings 8 are welded, for example to tin, to the respective second pins 10 which are electrically connected inside the body 1a of the solenoid valve, across an electromagnetic coil and to the respective pins 3b. The power supply of the first pins 6a is thus provided from the pins 3b.

La face 4 est entourée par un prolongement 11 de la paroi extérieure du corps la de l'électrovanne et les moyens de liaison électrique C1 sont situés à l'intérieur du contour de la face 4.The face 4 is surrounded by an extension 11 of the outer wall of the body of the solenoid valve and the electrical connection means C1 are located inside the contour of the face 4.

La première électrovanne 1 peut comporter trois broches 10 correspondant à un contact commun et à deux contacts d'alimentation.The first solenoid valve 1 may comprise three pins 10 corresponding to a common contact and two feed contacts.

La deuxième électrovanne 2, comme visible sur Figs. 2, 5 et 6, comporte des seconds moyens de liaison électrique C2 conjugués des moyens C1. Ces seconds moyens de liaison C2 sont constitués, dans l'exemple considéré, par une partie femelle 5b de connecteur électrique conjuguée de la partie mâle 5a. La partie 5b comporte des douilles 6b propres à recevoir les premières broches 6a. Les seconds moyens de liaison C2 sont prévus sur une face d'extrémité longitudinale 12 de la deuxième électrovanne 2, à l'intérieur du contour de cette face délimitée par un prolongement 13 de la paroi extérieure du corps 2a.The second solenoid valve 2, as visible on Figs. 2 , 5 and 6 , comprises second electrical connecting means C2 conjugated means C1. These second connecting means C2 consist, in the example considered, by a female part 5b of electrical connector conjugate of the male part 5a. Part 5b has sockets 6b adapted to receive the first pins 6a. The second connecting means C2 are provided on a longitudinal end face 12 of the second solenoid valve 2, within the contour of this face delimited by an extension 13 of the outer wall of the body 2a.

Les seconds moyens de liaison électrique C2, 5b sont avantageusement fixés sur une plaquette 7b de circuit imprimé comportant, comme la plaquette 7a, une électronique assurant des fonctions de visualisation, d'antiparasitage et de protection contre les surtensions. La plaquette 7b comporte des trous tels que 14 (Fig.6) entourés par des anneaux imprimés conducteurs 15. Lors de la mise en place de la plaquette 7b contre la face 12, chaque trou tel que 14 est traversé par une seconde broche 16 faisant saillie perpendiculairement à la face 12 et reliée à une borne d'une bobine électromagnétique (non visible) située à l'intérieur du corps 2a pour commander le déplacement d'un noyau de l'électrovanne 2. Les secondes broches 16 sont soudées à l'étain aux anneaux 14. La plaque 7b est fixée contre la face 12 par tout moyen approprié.The second electrical connection means C2, 5b are advantageously fixed on a printed circuit board 7b having, like the wafer 7a, an electronics providing visualization, interference suppression and overvoltage protection functions. The wafer 7b has holes such as 14 ( Fig.6 ) surrounded by printed conductive rings 15. When placing the wafer 7b against the face 12, each hole such as 14 is traversed by a second pin 16 protruding perpendicular to the face 12 and connected to a terminal of an electromagnetic coil (not visible) located inside the body 2a for controlling the displacement of a core of the solenoid valve 2. The second pins 16 are soldered to the tin rings 14. The plate 7b is fixed against the face 12 by any suitable means.

Il est à remarquer que la seconde électrovanne 2 est libre de tout connecteur extérieur semblable au connecteur 3 de l'électrovanne 1.It should be noted that the second solenoid valve 2 is free of any external connector similar to the connector 3 of the solenoid valve 1.

Un boîtier de jonction 17 (Figs.1 et 2) en matière plastique isolante est prévu pour venir se placer entre les deux électrovannes 1, 2 lors de leur assemblage tête-bêche. Ce boîtier 17 comporte un couvercle 18 muni de fenêtres 19 permettant de bénéficier de la fonction de visualisation des plaques 7a, 7b ; par exemple une source de lumière prévue sur ces plaques 7a, 7b s'allume lorsque les électrovannes sont sous tension, ce qui est visible à travers les fenêtres 19.A junction box 17 ( Figs.1 and 2 ) of insulating plastic material is provided to be placed between the two solenoid valves 1, 2 during their assembly head to tail. This housing 17 has a cover 18 provided with windows 19 to benefit from the display function of the plates 7a, 7b; for example a light source provided on these plates 7a, 7b lights up when the solenoid valves are under tension, which is visible through the windows 19.

Le boîtier 17 est prévu pour s'emboîter sur chacune des extrémités des électrovannes.The housing 17 is provided to fit on each end of the solenoid valves.

Les premières broches 6a ont une longueur suffisante pour traverser le boîtier 17 et pour faire saillie, du côté opposé, afin d'entrer par translation dans les douilles correspondantes 6b de la partie femelle 5b de connecteur.The first pins 6a have a sufficient length to pass through the housing 17 and to protrude, on the opposite side, to enter by translation into the corresponding bushes 6b of the female connector portion 5b.

La réalisation de l'assemblage résulte immédiatement des explications qui précèdent.The realization of the assembly results immediately from the preceding explanations.

Les électrovannes 1 et 2 sont disposées tête-bêche comme illustré sur Fig. 2, avec entre elles le boîtier de jonction 17. Ce boîtier est mis en place, par translation, contre l'électrovanne 1. Puis l'électrovanne 2 est mise en place par translation contre le boîtier 17. Au cours de cette opération les premières broches 6a s'engagent dans les douilles correspondantes 6b de la partie de connecteur 5b.The solenoid valves 1 and 2 are arranged head to tail as illustrated in Fig. 2 , With the junction box 17 between them. This casing is put in place, by translation, against the solenoid valve 1. Then the solenoid valve 2 is put in place by translation against the casing 17. During this operation the first pins 6a engage in the corresponding sleeves 6b of the connector portion 5b.

Le boîtier 17 ferme l'ensemble et maintient une garniture qui garantit l'étanchéité.The casing 17 closes the assembly and maintains a seal which guarantees the seal.

Le raccordement du connecteur 3 à un câble non représenté permet d'assurer, avec les broches 3b prévues en nombre suffisant, l'alimentation de l'électrovanne 1 et l'alimentation distincte de l'électrovanne 2 par les broches 6a et les douilles 6b, à l'intérieur de l'enveloppe desdites électrovannes.The connection of the connector 3 to a not shown cable ensures, with the pins 3b provided in sufficient number, the supply of the solenoid valve 1 and the separate supply of the solenoid valve 2 by the pins 6a and the sockets 6b inside the envelope of said solenoid valves.

Grâce à l'invention, le temps de câblage des deux électrovannes est réduit puisque le raccordement électrique de la première électrovanne 1 permet de raccorder également la seconde électrovanne 2, sans avoir à recourir à l'utilisation d'un raccordement électrique complémentaire.Thanks to the invention, the wiring time of the two solenoid valves is reduced since the electrical connection of the first solenoid valve 1 can also connect the second solenoid valve 2, without having to resort to the use of a complementary electrical connection.

Le double pilote, formé par l'assemblage des électrovannes 1 et 2, peut être adapté à n'importe quel distributeur, uniquement en adaptant la plaque de distribution pneumatique E.The double pilot, formed by the assembly of solenoid valves 1 and 2, can be adapted to any distributor, only by fitting the pneumatic distribution plate E.

Claims (9)

  1. Assembly of two solenoid control valves comprising a single external electrical connector (3) from which the electrical connections are established for each solenoid valve, characterised in that the external electrical connector (3) is provided on a first solenoid valve (1), in that first electrical connection means (C1) are provided on a face (4) of the first solenoid valve, in that second electrical connection means (C2) conjugate with those on the first solenoid valve are provided on a face (12) of the second solenoid valve (2), the arrangement being such that the direct cooperation of the first and second electrical connection means (C1, C2) is provided when the assembly is produced.
  2. Assembly according to claim 1, characterised in that the first (C1) and second (C2) electrical connection means are situated within the contour (11; 13) of the corresponding face (4, 12) of the solenoid valve.
  3. Assembly according to claim 1 or 2, in which each solenoid valve has a substantially elongate rectangular parallelepipedal shape, characterised in that each face (4, 12) provided with electrical connection means (C1) is a longitudinal end face.
  4. Assembly according to one of the preceding claims, characterised in that the first electrical connection means (C1) consist of a part (5a), male or female, of an electrical connector, whilst the second conjugate electrical connection means (C2) consist of the other part (5b), female or male, of the electrical connector.
  5. Assembly according to claim 4, characterised in that the two parts (5a, 5b) of the connector are designed to be joined by translation.
  6. Assembly according to one of the preceding claims, characterised in that a junction element (17) is provided between the solenoid valves (1, 2).
  7. Assembly according to claim 6, characterised in that the junction element (17) has first pins (6a) of the male part (5a) of the connector passing through it.
  8. Assembly according to claim 3, characterised in that each face (4, 12) provided with electrical connection means comprises second pins (10, 16) fixed to the body of the solenoid valve in order to ensure the transmission of the current and in that a printed circuit card (7a, 7b) is fixed to these second pins, this card comprising one of the parts (5a, 5b) of the connector.
  9. Assembly according to one of the preceding claims, characterised in that it is provided for controlling a bistable-function pneumatic directional control valve.
EP05717493A 2004-02-09 2005-01-26 Assembly of two electrically actuated pilot valves Expired - Fee Related EP1714040B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0401228A FR2866150B1 (en) 2004-02-09 2004-02-09 ASSEMBLY OF TWO PILOT SOLENOID VALVES, AND SOLENOID VALVES FOR SUCH ASSEMBLY.
PCT/FR2005/000169 WO2005085652A1 (en) 2004-02-09 2005-01-26 Control electric valve assembly and electric valves for said assembly

Publications (2)

Publication Number Publication Date
EP1714040A1 EP1714040A1 (en) 2006-10-25
EP1714040B1 true EP1714040B1 (en) 2008-12-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP05717493A Expired - Fee Related EP1714040B1 (en) 2004-02-09 2005-01-26 Assembly of two electrically actuated pilot valves

Country Status (4)

Country Link
EP (1) EP1714040B1 (en)
DE (2) DE602005012056D1 (en)
FR (1) FR2866150B1 (en)
WO (1) WO2005085652A1 (en)

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US8899264B2 (en) 2011-12-15 2014-12-02 Honeywell International Inc. Gas valve with electronic proof of closure system
US8905063B2 (en) 2011-12-15 2014-12-09 Honeywell International Inc. Gas valve with fuel rate monitor
US8947242B2 (en) 2011-12-15 2015-02-03 Honeywell International Inc. Gas valve with valve leakage test
US9074770B2 (en) 2011-12-15 2015-07-07 Honeywell International Inc. Gas valve with electronic valve proving system
US9234661B2 (en) 2012-09-15 2016-01-12 Honeywell International Inc. Burner control system
US9557059B2 (en) 2011-12-15 2017-01-31 Honeywell International Inc Gas valve with communication link
US9995486B2 (en) 2011-12-15 2018-06-12 Honeywell International Inc. Gas valve with high/low gas pressure detection
US10024439B2 (en) 2013-12-16 2018-07-17 Honeywell International Inc. Valve over-travel mechanism
US10203049B2 (en) 2014-09-17 2019-02-12 Honeywell International Inc. Gas valve with electronic health monitoring
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US10564062B2 (en) 2016-10-19 2020-02-18 Honeywell International Inc. Human-machine interface for gas valve
US10697815B2 (en) 2018-06-09 2020-06-30 Honeywell International Inc. System and methods for mitigating condensation in a sensor module
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US9846440B2 (en) 2011-12-15 2017-12-19 Honeywell International Inc. Valve controller configured to estimate fuel comsumption
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US10697632B2 (en) 2011-12-15 2020-06-30 Honeywell International Inc. Gas valve with communication link
US9995486B2 (en) 2011-12-15 2018-06-12 Honeywell International Inc. Gas valve with high/low gas pressure detection
US8905063B2 (en) 2011-12-15 2014-12-09 Honeywell International Inc. Gas valve with fuel rate monitor
US8947242B2 (en) 2011-12-15 2015-02-03 Honeywell International Inc. Gas valve with valve leakage test
US10851993B2 (en) 2011-12-15 2020-12-01 Honeywell International Inc. Gas valve with overpressure diagnostics
US8899264B2 (en) 2011-12-15 2014-12-02 Honeywell International Inc. Gas valve with electronic proof of closure system
US9557059B2 (en) 2011-12-15 2017-01-31 Honeywell International Inc Gas valve with communication link
US9074770B2 (en) 2011-12-15 2015-07-07 Honeywell International Inc. Gas valve with electronic valve proving system
US8839815B2 (en) 2011-12-15 2014-09-23 Honeywell International Inc. Gas valve with electronic cycle counter
US9234661B2 (en) 2012-09-15 2016-01-12 Honeywell International Inc. Burner control system
US10215291B2 (en) 2013-10-29 2019-02-26 Honeywell International Inc. Regulating device
US10024439B2 (en) 2013-12-16 2018-07-17 Honeywell International Inc. Valve over-travel mechanism
US10203049B2 (en) 2014-09-17 2019-02-12 Honeywell International Inc. Gas valve with electronic health monitoring
US10564062B2 (en) 2016-10-19 2020-02-18 Honeywell International Inc. Human-machine interface for gas valve
US11073281B2 (en) 2017-12-29 2021-07-27 Honeywell International Inc. Closed-loop programming and control of a combustion appliance
US10697815B2 (en) 2018-06-09 2020-06-30 Honeywell International Inc. System and methods for mitigating condensation in a sensor module

Also Published As

Publication number Publication date
FR2866150B1 (en) 2006-03-31
EP1714040A1 (en) 2006-10-25
WO2005085652A1 (en) 2005-09-15
FR2866150A1 (en) 2005-08-12
DE05717493T1 (en) 2007-04-05
DE602005012056D1 (en) 2009-02-12

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