CN1183559C - Tap converter - Google Patents
Tap converter Download PDFInfo
- Publication number
- CN1183559C CN1183559C CN 00121918 CN00121918A CN1183559C CN 1183559 C CN1183559 C CN 1183559C CN 00121918 CN00121918 CN 00121918 CN 00121918 A CN00121918 A CN 00121918A CN 1183559 C CN1183559 C CN 1183559C
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- CN
- China
- Prior art keywords
- changing device
- tap
- tap change
- oil
- actuating force
- 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
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Abstract
To provide a tap changing device which can shorten the assembling time of the device itself and a transformer and can stably obtain a driving force even when many or few errors occur in the attaching positions of an operating mechanism, a tap changer, and a conservator and in which the direction changing device and conservator of the device can be attached to the transformer almost effortless even when the size of the transformer is relatively small and no oil leakage occurs from an oil pipeline. The first direction changing device 42 and conservator 5 of this tap changing device are attached to the head case 21a of the tap changer respectively through fittings 21g and 21h installed to the case 21a.
Description
Technical field
The present invention relates to electric equipment for example electric power relate in particular to the mounting structure of the structural element that constitutes tap changing device with the tap changing device that transformer uses.
Background technology
Usually, tap changing device mainly comprises: be installed in tap change on the transformer tank top board with suspended state; Make the actuating force of the privileged site rotation usefulness of this tap change that the operating mechanism on the more subaerial transformer tank sidewall take place, be located at; By being used for that described actuating force is passed to the connecting axle of tap change and the transmission mechanism that direction-changing device constituted of direction change usefulness; Make insulating oil be full of in the oil groove of tap change, be used for absorbing the oil conservator that the expansion of the insulating oil that produces because of variations in temperature is shunk; Connect the head of tap change and the oil pipe line of oil conservator; Be located at the oil that detects in the way of this oil pipe line, to the unusual oily stream that produces and flow protection relay with tap change.
The direction of transfer of the actuating force that tap change is required is normally from operating mechanism in case after vertical direction, along the top board of transformer tank and towards level, the so-called reverse U shape that transmits to vertical lower at the central part of tap change again.
In addition; when each structural element that will constitute existing tap changing device is installed on the transformer tank; tap change is directly installed on the transformer tank; the part of operating mechanism and direction-changing device and oil conservator are installed by the installed part that is located at the special use on the transformer tank; then by with connecting axle and oil pipe line be connected key element and oil stream protection relay is connected, and play function as tap changing device.
Fig. 5 is the cutaway view of structure that expression comprises the transformer tank of this existing tap changing device.Fig. 6 is the cutaway view of expression tap change.
In Fig. 5, the 1st, transformer tank, the 2nd, tap change, the 3rd, the operating mechanism that the actuating force used of privileged site of rotation tap change 2 is taken place, the 4th, transmit the transmission mechanism of using from the actuating force of operating mechanism 3.Described transmission mechanism 4 comprises: transmit the vertical connecting axle 41 from the actuating force of operating mechanism 3; The direction of transfer of actuating force is transformed into horizontal direction, utilizes for example the 1st direction-changing device 42 of a pair of bevel gear from vertical direction; Transmit the horizontal connecting axle 43 of the actuating force of vertical connecting axle 41 by the 1st direction-changing device 42.The 5th, the oil conservator of usefulness is shunk in the expansion that absorbs the insulating oil of tap change 2 uses; the 6th, the oil pipe line of connection tap change 2 and oil conservator 5; the oil stream protection relay that 7 be provided in a side of in the middle of the oil pipe line 6, the flow velocity of the insulating oil during to the internal abnormality of tap change 2 detects, the 8th, insulating oil.
The 9th, operating mechanism 3 is installed in the installed part A on the wall of transformer tank 1, the 10th, the 1st direction-changing device 42 is installed in the installed part B in corner, the top portion of transformer tank 1, the 11st, oil conservator 5 is installed in the installed part C on the top board of transformer tank 1.
The structure of tap change 2 is described according to Fig. 6 below.Among Fig. 6,21 are mounted in the transducer head on the top plate portion of transformer tank 1, the 22nd, form integrative-structure and sealed transducer oil groove with transducer head 21, the 23rd, be contained in the conversion electric brake in the transducer oil groove 22,24 are provided in a side of the capability of tap selector of conversion electric brake 23 belows.
In addition, described transducer head 21 comprises: head shell 21a; Be used for head shell 21a is fixed on flange 21b on the transformer tank 1; Be used for sealing the head lid 21c on head shell 21a top; Be installed in above the head lid 21c, with the direction of actuating force from horizontal direction be transformed into vertical direction, utilize for example the 2nd direction-changing device 21d of a pair of bevel gear; Transmit the output shaft 21e of the actuating force of the 2nd direction-changing device 21d; The line portals 21f that is communicated with oil conservator 5.
The action of the tap changing device that just as above constitutes now describes.According to the conversion instruction of transformer voltage, make actuating force act on operating mechanism 3, this actuating force is translated into: operating mechanism 3 → vertical connecting axle 41 → the 1st direction-changing device 42 → horizontal connecting axle 43 → the 2nd direction-changing device 21d → output shaft 21e.This actuating force is passed to tap change 2 again, drives the mechanism that stipulates of conversion electric brake 23 and capability of tap selector 24 by rotation, and makes the tap release.
In the running, just in case anomaly such as insulation breakdown takes place in conversion electric brake 23, the unusual flow velocity that produces then the pressure of insulating oil rises just from transducer oil groove 22 towards oil conservator 5, and flow protection relay by oil and detect this flow velocity.
The following describes the assemble sequence of the structural element of existing tap changing device.
(1) at first, prepare in advance regulation position use-case as welding manner with as described in the transformer tank 1 of the fixing back of installed part A9, installed part B10 and installed part C11 state;
(2) again with the irrelevant other place of transformer body, in advance transducer head 21, transducer oil groove 22, conversion electric brake 23 and capability of tap selector 24 are made of one and tap change 2 are assembled into the state of described Fig. 6;
(3) the assigned position place that tap change 2 is inserted the top board of transformer tank 1, the flange 21b of stationary transformer case 1 and tap change 2;
(4) operating mechanism 3 is installed on 9 the installed part A;
(5) the 1st direction-changing device 42 is installed on 10 the installed part B;
(6) between operating mechanism 3 and the 1st direction-changing device 42, adjust size on one side vertical connecting axle 41 is installed on one side;
(7) between the 1st direction-changing device 42 and the 2nd direction-changing device 21d, adjust size on one side horizontal connecting axle 43 is installed on one side;
(8) oil conservator 5 is installed on 11 the installed part C;
(9) between oil conservator 5 and line portals 21f, adjust size on one side oil pipe line 6 and oil stream protection relay 7 are installed on one side.
Existing tap changing device is an assemble sequence as described above.
There is following problem in above-mentioned existing tap changing device.
(1) in the structural element of each in tap changing device, because described operating mechanism the 3, the 1st direction-changing device 42, oil conservator 5 are installed on the wall and top board of transformer tank 1 by installed part separately, so be difficult to guarantee to comprise connecting axle and oil pipe line in the interior dimensional accuracy that respectively is connected between key element, and its assembling and adjust the time that needs cost long;
(2) in addition, because transformer tank 1 is the thin plate container, so easily produce the transformer tank distortion, in case the installation site of described control box the 3, the 1st direction-changing device 42, tap change 2 and oil conservator 5 after the assembling easily produces the form error of the depth of parallelism etc., therefore, can make the fitting portion instability of connecting axle, can be from the phenomenon of the fastening position generation leakage of oil of oil pipe line;
(3) therefore, comfortable catcher) or the countermeasure of the higher price of parts such as expansion joint in the 1st direction-changing device 42 and tap change 2, also can obtain actuating force, for example use universal joint (Japanese: at the two ends of separately connecting axle even taked to produce how many errors in this installation site;
(4) in addition, though do not have special problem in the larger-size high voltage of transformer tank 1, the occasion of high-power transformer, but for the less low-voltage of the size of transformer tank 1, small capacity transformer, the width dimensions of transformer tank is restricted, and can not guarantee the installing space of the installed part C11 of the installed part B10 of the 1st direction-changing device 42 and oil conservator 5;
(5) in addition, because described the 2nd direction-changing device 21d is installed on the head lid 21c of tap change 2, so when tap change is carried out maintenance inspection, under the situation that head lid 21c is opened, need horizontal connecting axle 43 is disintegrated, thus the operation deterioration when making maintenance inspection;
(6) in addition, because transformer body case and tap change case are one,, shortened the transformer general assembly time so tap change only can carry out assembling work after the assembling of transformer body finishes.
Summary of the invention
For addressing the above problem, the objective of the invention is to, even being provided, a kind of more small-sized transformer also no problem ground can be installed by the tap changing device of the required structural element of tap changing device, it can shorten the installation time of tap changing device and transformer, even and produce how many errors in the installation site of structural element and also can stablize the leakage of oil that obtains actuating force and do not have oil pipe line.
The tap changing device of technical scheme 1 of the present invention is, by each installed part that is located on the transducer head housing the 1st direction-changing device and oil conservator is installed, and the installed part of operating mechanism is located on the transformer tank wall.
The tap changing device of technical scheme 2 of the present invention is, by being located at installed part on the transducer head housing in the 1st direction-changing device and the oil conservator either party is installed, and the opposing party wherein is arranged on the head lid of transducer, and the installed part of operating mechanism is located on the transformer tank wall.
The tap changing device of technical scheme 3 of the present invention is, the 2nd direction-changing device is contained in the head shell of transducer head, and the head lid separates with the 2nd direction-changing device.
The tap changing device of technical scheme 4 of the present invention is, transformer tank can be separated into transformer body case and tap change case, becomes the special-purpose case of tap change.
Description of drawings
Fig. 1 is the cutaway view of the tap changing device of expression the invention process form 1;
Fig. 2 is the cutaway view of the tap changing device of expression the invention process form 2;
Fig. 3 is the cutaway view of the tap changing device of expression the invention process form 3;
Fig. 4 is the cutaway view of the tap changing device of expression the invention process form 4;
Fig. 5 is the cutaway view that expression comprises the transformer tank structure of existing tap changing device;
Fig. 6 is the cutaway view of the existing tap changing device integral body of expression.
Embodiment
Example 1
Fig. 1 is the cutaway view of the tap changing device of expression the invention process form 1.Among Fig. 1, omit explanation with existing example same-sign.21g is the installed part B of this example that the 1st direction-changing device on the head shell 21a that is located at tap change 2 is supported.21h is the installed part C of this example that the oil conservator 5 on the head shell 21a that is located at tap change 2 is supported.
As above the action of the tap changing device of Gou Chenging is identical with aforementioned existing example, but the assemble sequence of the structural element of tap changing device is different as described as follows.
(1) at first, prepare the transformer tank 1 of 9 installed part A being fixed the back state at the regulation position use-case such as the welding manner of transformer tank 1 in advance;
(2) again with the irrelevant other place of transformer body, assembling tap change 2.But, installed part B21g of the present invention and installed part C21h are installed on head shell 21a this moment in advance;
(3) with the free state of tap change 2, the 1st direction-changing device 42 is contained on the installed part B21g.After being contained in oil conservator 5 on the installed part C21h simultaneously, with the free state assembly lube pipeline 6 and the oil stream protection relay 7 of tap change 2 with this operation;
(4) the assigned position place that tap change 2 is inserted the top board of transformer tank 1, the flange 21b with tap change 2 fixes with transformer tank 1;
(5) operating mechanism 3 is contained on 9 the installed part A;
(6) vertical connecting axle 41 is contained between operating mechanism 3 and the 1st direction-changing device 42.
As above explanation like that, in each structural element of tap changing device, because the installed part B21g and the installed part C21h of the 1st direction-changing device 42 and oil conservator 5 are set on the head shell 21a of the tap change 2 with corresponding rigidity, therefore, be difficult to produce error in each installation site, thereby make the assembling of connecting axle 41,43 and oil pipe line 6 and adjustment become simple.In addition, owing to irrespectively can promote the assembling of tap change 2 with the assembly process of transformer, so can shorten the transformer general assembly time.
In addition; even transformer tank produces distortion; can not influence the installation site of the 1st direction-changing device 42, oil conservator 5 yet, when the fitting portion that makes connecting axle 41,43 is stable, the phenomenon of leakage of oil can not take place also from the fastening position of oil pipe line 6 and oil stream protection relay 7.
In addition, in horizontal connecting axle 43, the fitting portion of the axle of transmission of drive force is stable, need not the special joint of high price.
In addition, in the less low-voltage of the width dimensions of transformer tank 1, small capacity transformer, also can not be subjected to the restriction of width dimensions, even and the width dimensions smaller transformer also can guarantee the installing space of the 1st direction-changing device 42 and each installed part of oil conservator 5.
Example 2
Fig. 2 is the cutaway view of the tap changing device of expression the invention process form 2.Among Fig. 2, omit and existing example and the example 1 identical explanation that meets.
21i is the installed part B that expression is located at this example on the head lid 21c.In described example 1, be that installed part C21h with the installed part B21g of the 1st direction-changing device 42 and oil conservator 5 is located at respectively on the head shell 21a of tap change 2, even but resemble Fig. 2 and installed part B to be located at head lid 21c and to go up, other installed part C is located at also can obtains the same effect shown in the example 1 on the head shell 21a.Certainly, it also is identical installed part B being located on the head shell 21a, installed part C is located on the head lid 21c.
Example 3
Fig. 3 is the cutaway view of the tap changing device of expression the invention process form 3.Among Fig. 3, omit explanation with existing example and example 1 same-sign.
The utilization that 21j is provided in a side of in the middle of the head shell 21a, the direction of actuating force is transformed into vertical direction from horizontal direction is the 2nd direction-changing device of this example of a pair of bevel gear for example, and 21k is the head lid of this example that the top of head shell 21a is sealed.
As above the action of the tap changing device of Gou Chenging is identical with described existing example.In addition, also identical with described example 1 for the order of each structural element of assembling tap changing device, difference is can be separately the head lid 21k of transducer head 21 to be opened.
Therefore, except the effect that example 1 is disclosed, also can open head lid 21k separately, make the maintenance inspection operation of tap change 2 become easy.
Example 4
Fig. 4 is the cutaway view of the tap changing device of expression the invention process form 4.Among Fig. 4, omit explanation with existing example and example 1 same-sign.1a is the transformer tank of present embodiment that coil of transformer base side (not shown) etc. is held, and 1b is the tap change case of present embodiment that tap change 2 is held.The installed part C21h that supports installed part B21g, the supporting oil conservator 5 of the 1st direction-changing device is located at the main points identical with example 1 on the head shell 21a of transducer head 21 of tap change.
As above the action of the tap changing device of Gou Chenging is identical with described existing example.In addition, order for each structural element of assembling tap changing device is also identical with described example 1, but owing to make and to separate with transformer body case 1a, have nothing to do and can assemble tap change simultaneously so difference is assembling with the transformer base side as tap change case 1b.
Therefore, except the effect that example 1 is disclosed, also can fully irrespectively carry out operation simultaneously, further shorten the transformer general assembly time with the assembly process of transformer body.
Example 5
In described example 1～4, though the installed part 21g of the 1st direction-changing device 42 and the installed part of oil conservator 5 are made the member that separates with converter head portion, but because of on the part of head shell 21a and head lid 21c, installable position being set respectively, so member is oversimplified.
Example 6
In addition, in described each example, come fitting operation mechanism 3 by transformer tank 1 by supporting member 11, but also in transformer tank 1 and the independently upward configuration of fitting operation mechanism 3 of stand (not shown) of basic courses department.
As mentioned above, adopt the invention of technical scheme 1 or technical scheme 2, owing to the 1st direction-changing device and described oil conservator are located on the transducer head of tap change by installed part separately, so can guarantee to comprise connecting axle and oil pipe line in the interior dimensional accuracy that respectively is connected between key element, can shorten assembling and adjustment time.
In addition, even produce the transformer tank distortion, installed position at control box, the 1st direction-changing device, tap change and oil conservator also is difficult to produce form error, thereby makes the fitting portion of connecting axle stable, can be from the fastening position generation oil leakage phenomenon of oil pipe line.
Therefore, also can not use parts such as universal joint or expansion joint at the two ends of connecting axle.
In addition, even the restricted transformer of the width dimensions of transformer tank also can be guaranteed the installing space of the installed part of the installed part of the 1st direction-changing device and oil conservator.
The tap changing device of technical solution of the present invention 3, because the 2nd direction-changing device is contained in the head shell of transducer head, make the state that the head lid is separated with the 2nd direction-changing device, so except described technical scheme 2,3 effects that disclosed, not laterally connecting axle 43 disintegration and operation when having improved maintenance inspection when the maintenance inspection of tap change.
As mentioned above, adopt the invention of technical scheme 4, owing to transformer tank can be separated into transformer body case and tap change case, make the special-purpose case of tap change, so except the effect that invention disclosed of described technical scheme 1 or technical scheme 2, the assembling work of tap change can be fully irrespectively carried out with the assembly process of transformer body, the transformer general assembly time can be shortened.
Claims (6)
1. tap changing device comprises: be located at the transformer tank periphery, produce the operating mechanism of actuating force with the instruction of voltage transitions; To the vertical connecting axle of vertical direction transmission by the described actuating force of operating mechanism output; Import the described actuating force of vertical connecting axle, direction of transfer be transformed into the 1st direction-changing device of level; To the horizontal connecting axle of horizontal direction transmission by the described actuating force of the 1st direction-changing device output; Import horizontal connecting axle described actuating force, direction of transfer is transformed into vertically downward the 2nd direction-changing device; The tap change that utilizes the described actuating force of the 2nd direction-changing device output and the voltage of described transformer is changed; Be communicated with in the oil groove of tap change, the expansion of absorbent insulation oil, the oil conservator of contraction; Connect the transducer head of described tap change and the oil pipe line of described oil conservator; To being located at the oil that detects the unusually stream protection relay of the described tap change on the described oil pipe line; it is characterized in that; described transducer head has a transducer head housing, by each installed part that is located on the described transducer head housing described the 1st direction-changing device and described oil conservator is installed.
2. tap changing device as claimed in claim 1 is characterized in that, the transducer head of tap change is, the 2nd direction-changing device is contained in the head shell, and the head lid of described tap change separates with described the 2nd direction-changing device.
3. tap changing device as claimed in claim 1 or 2 is characterized in that, holds the tap change case of tap change, can separate with transformer body case.
4. tap changing device comprises: be located at the transformer periphery, produce the operating mechanism of actuating force with the instruction of voltage transitions; To the vertical connecting axle of vertical direction transmission by the described actuating force of operating mechanism output; Import the described actuating force of vertical connecting axle, direction of transfer be transformed into the 1st direction-changing device of level; To the horizontal connecting axle of horizontal direction transmission by the described actuating force of the 1st direction-changing device output; Import horizontal connecting axle described actuating force, direction of transfer is transformed into vertically downward the 2nd direction-changing device; The tap change that utilizes the described actuating force of the 2nd direction-changing device output and the voltage of described transformer is changed; Be communicated with in the oil groove of tap change, the expansion of absorbent insulation oil, the oil conservator of contraction; Connect the transducer head of described tap change and the oil pipe line of described oil conservator; To being located at the oil that detects the unusually stream protection relay of the described tap change on the described oil pipe line; it is characterized in that; described transducer head has a transducer head housing; by being located at installed part on the described transducer head housing in described the 1st direction-changing device and the described oil conservator either party is installed, and the opposing party wherein is arranged on the transducer head lid of described transducer head.
5. tap changing device as claimed in claim 4 is characterized in that, the transducer head of tap change is, the 2nd direction-changing device is contained in the head shell, and the head lid of described tap change separates with described the 2nd direction-changing device.
6. as claim 4 or 5 described tap changing devices, it is characterized in that, hold the tap change case of tap change, can separate with transformer body case.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP077462/2000 | 2000-03-21 | ||
| JP2000077462A JP2001267149A (en) | 2000-03-21 | 2000-03-21 | Tap changing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1314684A CN1314684A (en) | 2001-09-26 |
| CN1183559C true CN1183559C (en) | 2005-01-05 |
Family
ID=18595027
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00121918 Expired - Fee Related CN1183559C (en) | 2000-03-21 | 2000-07-13 | Tap converter |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2001267149A (en) |
| CN (1) | CN1183559C (en) |
| TW (1) | TW480501B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7709653B2 (en) | 2008-06-10 | 2010-05-04 | Shenzhen Mindray Bio-Medical Electronics Co. Ltd. | Asymmetric cyanine compounds, their preparation methods and their uses |
| CN101097805B (en) * | 2006-06-19 | 2010-12-29 | 株式会社东芝 | Transformer having drag-head switch and transformation method of transformer drag-head |
| US8067602B2 (en) | 2008-01-04 | 2011-11-29 | Shenzhen Mindray Bio-Medical Electronics Co., Ltd. | Asymmetric cyanine fluorescent dyes, compositions and their use in staining biological samples |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL205742B1 (en) * | 2003-04-03 | 2010-05-31 | Maschinenfabrik Reinhausen Gmbh | Multipoint switch |
| DE102009035699A1 (en) * | 2009-07-30 | 2011-02-10 | Maschinenfabrik Reinhausen Gmbh | Arrangement of a tap changer on a control transformer |
| JP2011159647A (en) * | 2010-01-29 | 2011-08-18 | Daihen Corp | Transformer device having tap changer |
| JP5738331B2 (en) | 2013-02-07 | 2015-06-24 | 三菱電機株式会社 | Tap changer |
| DE102016110221A1 (en) | 2016-06-02 | 2017-12-07 | Maschinenfabrik Reinhausen Gmbh | On-load tap-changer head and on-load tap-changer with on-load tap-changer head |
-
2000
- 2000-03-21 JP JP2000077462A patent/JP2001267149A/en active Pending
- 2000-06-22 TW TW89112255A patent/TW480501B/en not_active IP Right Cessation
- 2000-07-13 CN CN 00121918 patent/CN1183559C/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101097805B (en) * | 2006-06-19 | 2010-12-29 | 株式会社东芝 | Transformer having drag-head switch and transformation method of transformer drag-head |
| US8067602B2 (en) | 2008-01-04 | 2011-11-29 | Shenzhen Mindray Bio-Medical Electronics Co., Ltd. | Asymmetric cyanine fluorescent dyes, compositions and their use in staining biological samples |
| US7709653B2 (en) | 2008-06-10 | 2010-05-04 | Shenzhen Mindray Bio-Medical Electronics Co. Ltd. | Asymmetric cyanine compounds, their preparation methods and their uses |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1314684A (en) | 2001-09-26 |
| TW480501B (en) | 2002-03-21 |
| JP2001267149A (en) | 2001-09-28 |
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| SE01 | Entry into force of request for substantive examination | ||
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| C14 | Grant of patent or utility model | ||
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Granted publication date: 20050105 Termination date: 20180713 |