CN103326309B - A kind of comprehensive digital protection device for ship power system - Google Patents
A kind of comprehensive digital protection device for ship power system Download PDFInfo
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- CN103326309B CN103326309B CN201310290133.2A CN201310290133A CN103326309B CN 103326309 B CN103326309 B CN 103326309B CN 201310290133 A CN201310290133 A CN 201310290133A CN 103326309 B CN103326309 B CN 103326309B
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Abstract
The present invention relates to a kind of comprehensive digital protection device for ship power system, 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 made up of front shroud, case, central baffle, back shroud; Front and rear cover plate is fixed by screw and case; Enclosure be divide into former and later two cabins by central baffle, and the centralized control plate in device, multifunctional communication plate are installed on front cabin, and sampling functions plate, power supply and switch interface plate are installed on rear cabin; Facilitate the plug of SD card, the SD card metallic shield that SD stores outside plate is fixed on back shroud.Device adopts modularized design, by combinationally using between plate, and highly versatile, convenient debugging, fault waveform analysis, equipment replacement and upgrading; Meet system protection, the user demand of main backup protection, improve the sensitivity of selectivity and protection.
Description
Technical field
The present invention relates to a kind of marine protection device, particularly a kind of comprehensive digital protection device for ship power system.
Background technology
At present, China's boats and ships mainly use 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 also exist, low voltage voltage grade, and AC DC electric system the situation of depositing.Along with the improving constantly of installed capacity, marine vessel power network increasingly sophisticated, need special combined power protective device and system protected.Land bulk power system, for supply network, has widely used digital relay protection device, also has many well-known producers to have developed relevant protection device abroad.
There is larger difference in peculiar to vessel and land comprehensive protector, be mainly reflected in: be limited to the cabin layout that boats and ships are narrow and small, device for ships small volume, installing space is limited in environment for use requirement, installation requirement etc.; Environment for use is severe, and operating temperature range is large, humidity is high, and affects larger by mould, salt fog; Long-term existence vertical, horizontal is waved, and requires high to anti shock and vibration; Electromagnetic environment is complicated, high to the compatible performance requirement of installation electromagnetical.Existing relay protection products cannot meet the service condition of boats and ships harshness, particularly EMC Requirements, greatly constrains the development of Ship Electrical Power System.
Summary of the invention
The present invention be directed to the problem of marine electric equipment particular/special requirement; propose a kind of comprehensive digital protection device for ship power system; adopt modularized design; development one in, low pressure be suitable for; the electric system protection device that AC and DC is general, meeting installing space in cabin, meets severe environment peculiar to vessel, meets the user demand of specific loads and special operation condition, meets different electric pressure and alterating and direct current system and the user demand of depositing.
Technical scheme of the present invention is: a kind of comprehensive digital protection device for ship power system, 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 made up of front shroud, case, central baffle, back shroud; The cuboid metal-back that housing is logical before and after being, front shroud, back shroud are fixed by screw and case, and forward and backward cover plate is all detachable; Enclosure be divide into former and later two cabins by central baffle, and the centralized control plate in device, multifunctional communication plate 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 case, conductive gasket is housed, ensure the conducting continuity with case, the SD card metallic shield that SD stores outside plate is fixed on back shroud, SD card metallic shield is connected with forward and backward cover plate conducting, outside SD card metallic shield, be namely covered with insulating barrier facing to power supply and switch interface plate one side.
Described central baffle, two side edgefolds, screw is used to be connected with case, respectively be provided with a short slot up and down, as trough between former and later two cabins, the centralized control plate in device, multifunctional communication plate, sampling functions plate, power supply and switch interface plate by insulating cell, spring washer, copper stud, screw is stacked is fixed on central baffle.
The one side that described front shroud exposes outside there are metal key-press, shielding indicator light, display screen, metal key-press, shielding indicator light, display screen are installed on front shroud by screw, conductive gasket by reverse side, install shield glass additional before display screen, after display screen, add a cover display radome again.
Described back shroud is the external interface region of device, adopts conductive gasket in the middle of shielding aviation plug and 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 external application metal cover board installs woven wire shielding strip additional and is fixed on above back shroud.
There is ventilation hole described case 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: comprehensive digital protection device for ship power system of the present invention, adopts modularized design, by combinationally using between plate, and highly versatile, convenient debugging, fault waveform analysis, equipment replacement and upgrading; Meet system protection, the user demand of main backup protection, improve the sensitivity of selectivity and protection.
Accompanying drawing explanation
Fig. 1 is signal wiring schematic diagram in comprehensive digital protection device for ship power system of the present invention;
Fig. 2 is comprehensive digital protection device for ship power system structural representation of the present invention;
Fig. 3 is central baffle structural representation in comprehensive digital protection device for ship power system of the present invention;
Fig. 4 is that in comprehensive digital protection device for ship power system of the present invention, plate is arranged on schematic diagram in central baffle;
Fig. 5 is rear cover plate structure schematic diagram in comprehensive digital protection device for ship power system of the present invention;
Fig. 6 is comprehensive digital protection device for ship power system fan scheme of installation of the present invention.
Embodiment
Signal wiring schematic diagram in comprehensive digital protection device for ship power system as shown in Figure 1: power supply and switch interface plate are responsible for each plate and provide high quality power supply, and on-off model inputs, exports; Sampling functions plate, is responsible for gathering analog signals, for centralized control plate analyzing and processing after conditioning is amplified; Centralized control plate completes control operation, call the configuration in SD storage plate, fault message during startup, button control signal, digital signal, on-off model, the communication signal of real-time analysis process input, when breaking down in system, judge rapidly, export disjunction and alarm signal; Man-machine aobvious control plate obtains interface display information by centralized control plate, sends extraneous operation information by button to centralized control plate simultaneously; Multifunctional communication plate, is responsible for process two-way communication signal, for the networking operation of this device provides safeguard; SD stores plate in order to preserve related system configuration parameter, Protection parameters, and the alarm logging occurred in use procedure and fault waveform.
Comprehensive digital protection device for ship power system structural representation as shown in Figure 2, comprehensive digital protection device for ship power system shell is made up of front shroud 1, case 3, central baffle 4, back shroud 5, the cuboid metal-back that case 3 leads to for front and back, front shroud 1, back shroud 5 are screwed on case 3, forward and backward cover plate is all detachable, enclosure be divide into former and later two cabins by central baffle 4, centralized control plate in device, multifunctional communication plate are weak electricity system, are installed on front cabin; The data acquisition of power supply and switch interface plate, sampling functions plate in device, power supply supply and On-off signal export has signal may bring the high voltage of 100V, 380V into when object of protection breaks down, and is therefore installed on rear cabin.After putting conductive gasket 7 between front shroud 1 and case 3, by screw and the anterior fixed seal connection of case 3, man-machine aobvious control plate is fixed on front shroud 1, has display radome 2, for the protection of the aobvious control plate of front shroud outside man-machine aobvious control plate.After putting conductive gasket 7 between back shroud 5 and case 3, by screw and case 3 rear portion fixed seal connection, SD card metallic shield 6 is fixed on back shroud 5, SD card is prevented to be subject to forceful electric power interference, SD card metallic shield 6 is connected with back shroud 5 conducting, insulating barrier is covered with, to avoid and the open circuit of function plate outside SD card metallic shield 6.
As shown in Figure 3, there is flanging both sides to central baffle 4, use screw to be connected with case 3, are respectively provided with a short slot up and down, facilitate cabling between former and later two cabins.Centralized control plate 8 in device, multifunctional communication plate 9, sampling functions plate 10, power supply and switch interface plate 11 are fixed on central baffle 4, as Fig. 4 schematic diagram by insulating cell 12, spring washer 13, copper stud 14, screw.
The one side that front shroud 1 exposes outside there are metal key-press, shielding indicator light, display screen, metal key-press, shielding indicator light, display screen are installed on front shroud by screw, conductive gasket by reverse side, the display screen groove in display screen front installs shield glass additional, the design of adding a cover display radome 2 below more both can ensure good man-machine interaction, can meet again the requirements of EMI shielding.
The back shroud 5 of housing is the external interface region of integrated digital formula protective device, as shown in Figure 5, adopts shielding aviation plug 16 without exception, adopts conductive gasket in the middle of shielding aviation plug 16 and back shroud 5 seam; SD card slot mouth 15 and debug port 17 are also placed on back shroud 5, convenient connection and plug, and external application metal cover board is fixed in the above at ordinary times, and housing corresponding positions is provided with groove, installs woven wire shielding strip additional, ensures the continuity of conduction; Total meets the related requests such as shock and vibration EMI shielding, as shown in Figure 5.
Assembling schematic diagram as shown in Figure 6, there is ventilation hole side to case 3, corresponding ventilation hole enclosure dress fan 18, in order to accomplish to ventilate, waterproof and the test of every electrical specifications again, the selection of ventilating part and the design of assembly structure become crucial, in order to meet performance of ventilating and EMI shielding requirements, have installed shielding ventilating board 19 and metallic shield silk screen 20 between case 3 outer wall and fan 18 additional.SD card slot mouth 15, debug port 17 are provided with metal cover board, and housing corresponding positions is provided with groove, install woven wire shielding strip additional, ensure the continuity of conduction.
Front shroud 1, back shroud 5 are screwed on case, and forward and backward cover plate is all detachable, ease of assembly, debugging.Central baffle 4 is screwed in casing interior, and device is divided into two cabins, central baffle is provided with insulating barrier and insulation spacer, achieves effective isolation of strong and weak electricity, improves the space availability ratio of device.Adopt the mounting means of door-plate wall hanging, greatly save the installing space of distribution panelboard.In EMI shielding, electromagnet shield effect largely depends on the physical structure of cabinet, the continuity of namely conducting electricity.In order to meet boats and ships EMI screen related request, housing (comprising button) adopts all-metal construction; Forward and backward cover plate ensures the conducting continuity with case 3 by conductive gasket 7; The design that ventilation hole adopts shielding ventilating board 19 to combine with metallic shield silk screen 20, has taken into account the dual property of EMI shielding and good ventilation, can effectively stop the access to plant such as water, dust simultaneously; Front shroud button, indicator light, display screen installation place are provided with groove, install woven wire shielding strip additional, ensure the continuity of conduction; Back shroud aviation plug and cabinet seam adopt conductive gasket, ensure the continuity of conduction; SD card slot mouth 15, debug port 17 are provided with metal cover board, and housing corresponding positions is provided with groove, install woven wire shielding strip additional, ensure the continuity of conduction; Signal, power supply all carry out isolation processing, and the connection of forceful electric power and area of weakness all adopts shielded cable.
Claims (5)
1. a comprehensive digital protection device for ship power system, 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 made up of front shroud (1), case (3), central baffle (4), back shroud (5); The cuboid metal-back that case (3) leads to for front and back, front shroud (1), back shroud (5) are fixed by screw and case (3), and forward and backward cover plate is all detachable; Enclosure be divide into former and later two cabins by central baffle (4), and the centralized control plate in device, multifunctional communication plate 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 case (3), conductive gasket (7) is housed, ensure the conducting continuity with case (3), the SD card metallic shield (6) that SD stores outside plate is fixed on 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, is namely covered with insulating barrier facing to power supply and switch interface plate one side.
2. comprehensive digital protection device for ship power system according to claim 1; it is characterized in that; described central baffle (4); two side edgefolds; screw is used to be connected with case (3); respectively be provided with a short slot up and down; as trough between former and later two cabins, the centralized control plate in device, multifunctional communication plate, sampling functions plate, power supply, switch interface plate pass through insulating cell (12), spring washer (13), copper stud (14), screw is stacked is fixed on central baffle (4).
3. comprehensive digital protection device for ship power system according to claim 1, is characterized in that, described in
The one side that front shroud (1) exposes outside there are metal key-press, shielding indicator light, display screen, metal key-press, shielding indicator light, display screen are installed on front shroud by screw, conductive gasket by reverse side, install shield glass additional before display screen, after display screen, add a cover display radome (2) again.
4. comprehensive digital protection device for ship power system according to claim 1, is characterized in that, described in
The external interface region that back shroud (5) is device, adopts conductive gasket in the middle of shielding aviation plug (16) and 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 external application metal cover board installs woven wire shielding strip additional and is fixed on above back shroud (5).
5. comprehensive digital protection device for ship power system according to claim 1, is characterized in that, described in
There is ventilation hole case (3) 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 |
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| 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 |
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| 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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| CN103326309A CN103326309A (en) | 2013-09-25 |
| CN103326309B true CN103326309B (en) | 2016-01-06 |
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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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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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)
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|---|---|---|---|---|
| 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 |
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| CN103326309A (en) | 2013-09-25 |
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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 |