CN103326309A - Comprehensive digital protection device for ship power system - Google Patents
Comprehensive digital protection device for ship power system Download PDFInfo
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- CN103326309A CN103326309A CN2013102901332A CN201310290133A CN103326309A CN 103326309 A CN103326309 A CN 103326309A CN 2013102901332 A CN2013102901332 A CN 2013102901332A CN 201310290133 A CN201310290133 A CN 201310290133A CN 103326309 A CN103326309 A CN 103326309A
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Abstract
The invention relates to a comprehensive digital protection device for a ship power system. The comprehensive digital protection device comprises a shell, a modularized power supply-switch interface plate part, a sampling function plate part, a centralized control plate part, a man-machine display control plate part, a multifunctional communication plate part and an SD (security digital) storage plate part, wherein the shell comprises a front cover plate, a cover, a central baffle and a rear cover plate; the front and rear cover plates are fixed to the cover through screws; the interior of the shell is divided into front and rear cabins by the central baffle; the centralized control plate part and the multifunctional plate part in the device are mounted in the front cabin; the sampling function plate part, the power supply-switch interface plate part are mounted in the rear cabin; an SD card is conveniently inserted in and pulled out; an SD card metal shield outside the SD storage plate part is fixed on the rear cover plate. The device adopts a modularization design and is strong in universality and convenient in debugging, fault waveform analysis and equipment replacement and upgrade through combination use of the plate parts; the use requirements of system protection and main backup protection are met and the selectivity and the protection sensitivity are improved.
Description
Technical field
The present invention relates to a kind of marine protection device, particularly a kind of electric power system synthesis digital protection equipment peculiar to vessel.
Background technology
At present, China's boats and ships mainly use the low-voltage alternating-current system, but along with the development of technology, middle pressure exchanges, middle straightening stream is inevitable development trend, during following boats and ships will exist, low voltage voltage grade, AC DC electric system and the situation of depositing.Increasingly sophisticated along with the improving constantly of installed capacity, marine vessel power network need to have special combined power protective device that system is protected.The land for supply network, has been widely used digital relay protection device with bulk power system, also has many well-known producers to develop relevant protection device abroad.
There is larger difference with comprehensive protector in peculiar to vessel and land at aspects such as environment for use requirement, installation requirements, is mainly reflected in: be subject to the narrow and small cabin layout of boats and ships, and the device for ships small volume, installing space is limited; Environment for use is abominable, and operating temperature range is large, humidity is high, and it is larger affected by mould, salt fog; The long-term existence vertical, horizontal is waved, and requires high to anti shock and vibration; Electromagnetic environment is complicated, and is high to the compatible performance requirement of installation electromagnetical.Existing relay protection products can't satisfy the service condition of boats and ships harshness, particularly EMC Requirements, has greatly restricted the development of Ship Electrical Power System.
Summary of the invention
The present invention be directed to the problem of marine electric equipment specific (special) requirements; a kind of electric power system synthesis digital protection equipment peculiar to vessel has been proposed; adopt modularized design; develop a kind of in, low pressure is applicable; the electric system protection device that AC and DC is general, with satisfy installing space in the cabin, satisfy abominable environment peculiar to vessel, satisfy the user demand of specific loads and special operation condition, the user demand of satisfying different electric pressures and alterating and direct current system and depositing.
Technical scheme of the present invention is: a kind of electric power system synthesis digital protection equipment peculiar to vessel, comprise shell, modular power supply and switch interface plate, sampling functions plate, centralized control plate, man-machine aobvious control plate, multifunctional communication plate, SD store plate, and shell is comprised of front shroud, case, central baffle, back shroud; Housing is the logical cuboid metal-backs in front and back, and front shroud, back shroud are fixed by screw and case, and forward and backward cover plate is all detachable; Enclosure has been divided into former and later two cabins by central baffle, and centralized control plate, multifunctional communication plate in the device are weak electricity system, are installed on front cabin, and sampling functions plate, power supply and switch interface plate are installed on rear cabin; Between forward and backward cover plate and the case conductive gasket is housed, guarantee the conduction continuity with case, the outer SD card metallic shield of SD storage plate is fixed on the back shroud, SD card metallic shield is connected with forward and backward cover plate conducting, the SD card metallic shield outside namely simultaneously is covered with insulating barrier facing to power supply and switch interface plate.
Described central baffle, two side edgefolds, use screw to be connected with case, respectively be provided with up and down a short slot, as trough between former and later two cabins, the centralized control plate in the device, multifunctional communication plate, sampling functions plate, power supply, switch interface plate by insulating cell, spring washer, copper stud, screw is stacked is fixed on the central baffle.
Metal key-press, shielding indicator light, display screen are arranged on the one side that described front shroud exposes outside, reverse side is installed on metal key-press, shielding indicator light, display screen on the front shroud by screw, conductive gasket, install shield glass before the display screen additional, the display screen back is added a cover the demonstration radome again.
Described back shroud is the external interface zone of device, adopts conductive gasket in the middle of shielding aviation plug and the back shroud seam; SD card slot mouth and debug port are on back shroud, and back shroud housing relevant position is provided with groove, and the external application metal cover board installs the woven wire shielding strip additional and is fixed on above the back shroud.
Described case has ventilation hole on the side, and corresponding ventilation hole enclosure dress fan has installed shielding ventilating board and metallic shield silk screen additional between case outer wall and fan.
Beneficial effect of the present invention is: the present invention's electric power system synthesis peculiar to vessel digital protection equipment, adopt modularized design, and by being used in combination between plate, highly versatile, convenient debugging, fault waveform analysis, equipment replacement and upgrading; Satisfy system protection, the user demand of main backup protection, the sensitivity of raising selectivity and protection.
Description of drawings
Fig. 1 is hardware connection diagram in the present invention's electric power system synthesis peculiar to vessel digital protection equipment;
Fig. 2 is the present invention's electric power system synthesis peculiar to vessel digital protection equipment structural representation;
Fig. 3 is central baffle structural representation in the present invention's electric power system synthesis peculiar to vessel digital protection equipment;
Fig. 4 is that plate is installed in schematic diagram on the central baffle in the present invention's electric power system synthesis peculiar to vessel digital protection equipment;
Fig. 5 is rear cover plate structure schematic diagram in the present invention's electric power system synthesis peculiar to vessel digital protection equipment;
Fig. 6 is the present invention's electric power system synthesis peculiar to vessel digital protection equipment fan scheme of installation.
Embodiment
Hardware connection diagram in the electric power system synthesis digital protection equipment peculiar to vessel as shown in Figure 1: power supply and switch interface plate are responsible for each plate high quality power supply are provided, and the input of switching value signal, output; The sampling functions plate, the responsible analog signals that gathers is through supplying centralized control plate analyzing and processing after the conditioning amplification; The centralized control plate is finished control operation, call configuration, fault message in the SD storage plate during startup, button control signal, digital signal, switching value signal, the communication signal of input processed in real-time analysis, when breaking down in the system, judge rapidly output disjunction and alarm signal; Man-machine aobvious control plate obtains interface display information by the centralized control plate, sends extraneous operation information by button to the centralized control plate simultaneously; The multifunctional communication plate be responsible for to be processed the both-way communication signal, for the networking operation of this device provides safeguard; SD storage plate is in order to preserving related system configuration parameter, Protection parameters, and the alarm logging that occurs in the use procedure and fault waveform.
Electric power system synthesis digital protection equipment structural representation peculiar to vessel as shown in Figure 2, electric power system synthesis digital protection equipment shell peculiar to vessel is comprised of front shroud 1, case 3, central baffle 4, back shroud 5, case 3 is the logical cuboid metal-back in front and back, front shroud 1, back shroud 5 are screwed on case 3, forward and backward cover plate is all detachable, enclosure has been divided into former and later two cabins by central baffle 4, centralized control plate, multifunctional communication plate in the device are weak electricity system, are installed on front cabin; The data acquisition of power supply, switch interface plate, sampling functions plate in the device, power supply supply with and the switching value input and output have signal may bring the high voltage of 100V, 380V into when object of protection breaks down, and therefore are installed on rear cabin.After putting conductive gasket 7 between front shroud 1 and the case 3, by screw and case 3 anterior fixed seal connections, man-machine aobvious control plate is fixed on the front shroud 1, and man-machine aobvious control plate has the radome 2 of demonstration outward, for the protection of the aobvious control plate of front shroud.After putting conductive gasket 7 between back shroud 5 and the case 3, by screw and case 3 rear portion fixed seal connections, SD card metallic shield 6 is fixed on the back shroud 5, prevent that the SD card is subject to forceful electric power and disturbs, SD card metallic shield 6 is connected with back shroud 5 conductings, SD card metallic shield 6 outsides are covered with insulating barrier, open circuit with the function plate avoiding.
Metal key-press, shielding indicator light, display screen are arranged on the one side that front shroud 1 exposes outside, reverse side is installed on metal key-press, shielding indicator light, display screen on the front shroud by screw, conductive gasket, the display screen groove in display screen front installs shield glass additional, the back is added a cover the design that shows radome 2 more both can guarantee good man-machine interaction, can satisfy again the requirements of EMI shielding.
The back shroud 5 of housing is the external interface zone of integrated digital formula protective device, as shown in Figure 5, and the same shielding aviation plug 16 that adopts, shielding aviation plug 16 and the middle conductive gasket that adopts of back shroud 5 seams; SD card slot mouth 15 and debug port 17 are also placed on the back shroud 5, and convenient the connection and plug, the external application metal cover board is fixed in the above at ordinary times, and the housing corresponding positions is provided with groove, installs the woven wire shielding strip additional, guarantees the continuity of conduction; Total satisfies the related requests such as shock and vibration EMI shielding, as shown in Figure 5.
Assembling schematic diagram as shown in Figure 6, case has ventilation hole on 3 sides, corresponding ventilation hole enclosure dress fan 18, in order to accomplish to ventilate, again waterproof and every electric index test, the selection of ventilating part and assembly structure be designed to key, in order to satisfy performance of ventilating and EMI shielding requirements, between case 3 outer walls and fan 18, installed shielding ventilating board 19 and metallic shield silk screen 20 additional.SD card slot mouth 15, debug port 17 are provided with metal cover board, and the housing corresponding positions is provided with groove, install the woven wire shielding strip additional, guarantee the continuity of conduction.
Claims (5)
1. electric power system synthesis digital protection equipment peculiar to vessel, it is characterized in that, comprise shell, modular power supply and switch interface plate, sampling functions plate, centralized control plate, man-machine aobvious control plate, multifunctional communication plate, SD store plate, and shell is comprised of front shroud (1), case (3), central baffle (4), back shroud (5); Housing (3) is the logical cuboid metal-backs in front and back, and front shroud (1), back shroud (5) are fixed by screw and case (3), and forward and backward cover plate is all detachable; Enclosure has been divided into former and later two cabins by central baffle (4), and centralized control plate, multifunctional communication plate in the device are weak electricity system, are installed on front cabin, and sampling functions plate, power supply and switch interface plate are installed on rear cabin; Between forward and backward cover plate (1,5) and the case (3) conductive gasket (7) is housed, guarantee the conduction continuity with case (3), the outer SD card metallic shield (6) of SD storage plate is fixed on the back shroud (5), SD card metallic shield (6) is connected with forward and backward cover plate (1,5) conducting, SD card metallic shield (6) outside namely simultaneously is covered with insulating barrier facing to power supply and switch interface plate.
2. described electric power system synthesis digital protection equipment peculiar to vessel according to claim 1; it is characterized in that; described central baffle (4); two side edgefolds; use screw to be connected with case (3); respectively be provided with up and down a short slot; as trough between former and later two cabins, the centralized control plate in the device, multifunctional communication plate, sampling functions plate, power supply, switch interface plate by insulating cell (12), spring washer (13), copper stud (14), screw is stacked is fixed on the central baffle (4).
3. described electric power system synthesis digital protection equipment peculiar to vessel according to claim 1 is characterized in that, and is described
Metal key-press, shielding indicator light, display screen are arranged on the one side that front shroud (1) exposes outside, reverse side is installed on metal key-press, shielding indicator light, display screen on the front shroud by screw, conductive gasket, install shield glass before the display screen additional, the display screen back is added a cover and is shown radome (2).
4. described electric power system synthesis digital protection equipment peculiar to vessel according to claim 1 is characterized in that, and is described
Back shroud (5) is the external interface zone of device, shielding aviation plug (16) and the middle conductive gasket that adopts of back shroud (5) seam; SD card slot mouth (15) and debug port (17) are on back shroud (5), and back shroud (5) housing relevant position is provided with groove, and the external application metal cover board installs the woven wire shielding strip additional and is fixed on above the back shroud (5).
5. described electric power system synthesis digital protection equipment peculiar to vessel according to claim 1 is characterized in that, and is described
Case (3) has ventilation hole on the side, and corresponding ventilation hole enclosure dress fan (18) has installed shielding ventilating board (19) and metallic shield silk screen (20) additional between case (3) outer wall and fan (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310290133.2A CN103326309B (en) | 2013-07-11 | 2013-07-11 | A kind of comprehensive digital protection device for ship power system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310290133.2A CN103326309B (en) | 2013-07-11 | 2013-07-11 | A kind of comprehensive digital protection device for ship power system |
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| Publication Number | Publication Date |
|---|---|
| CN103326309A true CN103326309A (en) | 2013-09-25 |
| CN103326309B CN103326309B (en) | 2016-01-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310290133.2A Active CN103326309B (en) | 2013-07-11 | 2013-07-11 | A kind of comprehensive digital protection device for ship power system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110312398A (en) * | 2019-07-08 | 2019-10-08 | 合肥金新允电子技术有限公司 | A kind of embedded detachable industrial personal computer of modularity |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1065508A2 (en) * | 1999-06-30 | 2001-01-03 | Siemens Power Transmission & Distribution, Inc. | Tamper/power failure discrimination method and apparatus |
| CN2726181Y (en) * | 2004-06-09 | 2005-09-14 | 威海华通开关设备有限公司 | Intelligent transforming and distributing apparatus |
| CN101707358A (en) * | 2009-11-10 | 2010-05-12 | 刘亮 | Single-phase grounding comprehensive protecting device of electric network |
| CN201697947U (en) * | 2010-03-05 | 2011-01-05 | 山东科大中天电子有限公司 | Multi-user centralized electric energy meter |
| CN102052937A (en) * | 2009-11-05 | 2011-05-11 | 中国船舶重工集团公司第七一一研究所 | Test set for detecting properties of fluid control valve |
| CN202159971U (en) * | 2011-08-04 | 2012-03-07 | 中国船舶重工集团公司第七一二研究所 | Intelligent protection device of direct current breaker |
| CN203481775U (en) * | 2013-07-11 | 2014-03-12 | 中国船舶重工集团公司第七0四研究所 | Power-system integration digital protective device for ship |
-
2013
- 2013-07-11 CN CN201310290133.2A patent/CN103326309B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1065508A2 (en) * | 1999-06-30 | 2001-01-03 | Siemens Power Transmission & Distribution, Inc. | Tamper/power failure discrimination method and apparatus |
| CN2726181Y (en) * | 2004-06-09 | 2005-09-14 | 威海华通开关设备有限公司 | Intelligent transforming and distributing apparatus |
| CN102052937A (en) * | 2009-11-05 | 2011-05-11 | 中国船舶重工集团公司第七一一研究所 | Test set for detecting properties of fluid control valve |
| CN101707358A (en) * | 2009-11-10 | 2010-05-12 | 刘亮 | Single-phase grounding comprehensive protecting device of electric network |
| CN201697947U (en) * | 2010-03-05 | 2011-01-05 | 山东科大中天电子有限公司 | Multi-user centralized electric energy meter |
| CN202159971U (en) * | 2011-08-04 | 2012-03-07 | 中国船舶重工集团公司第七一二研究所 | Intelligent protection device of direct current breaker |
| CN203481775U (en) * | 2013-07-11 | 2014-03-12 | 中国船舶重工集团公司第七0四研究所 | Power-system integration digital protective device for ship |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110312398A (en) * | 2019-07-08 | 2019-10-08 | 合肥金新允电子技术有限公司 | A kind of embedded detachable industrial personal computer of modularity |
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| Publication number | Publication date |
|---|---|
| CN103326309B (en) | 2016-01-06 |
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| C14 | Grant of patent or utility model | ||
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Effective date of registration: 20151216 Address after: 200031 Xuhui District, Hengshan Road, No. 10, Applicant after: SHANGHAI CSIC SHIP PROPULSION EQUIPMENT CO., LTD. Address before: 200031 Xuhui District, Hengshan Road, No. 10, Applicant before: No.704 Institute of China Shipbuilding Industry Corporation |