CN201956294U - Hydraulic control system for sulfur-hexafluoride circuit breaker - Google Patents
Hydraulic control system for sulfur-hexafluoride circuit breaker Download PDFInfo
- Publication number
- CN201956294U CN201956294U CN2011200701412U CN201120070141U CN201956294U CN 201956294 U CN201956294 U CN 201956294U CN 2011200701412 U CN2011200701412 U CN 2011200701412U CN 201120070141 U CN201120070141 U CN 201120070141U CN 201956294 U CN201956294 U CN 201956294U
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- 229960000909 sulfur hexafluoride Drugs 0.000 title claims abstract description 36
- SFZCNBIFKDRMGX-UHFFFAOYSA-N sulfur hexafluoride Chemical compound FS(F)(F)(F)(F)F SFZCNBIFKDRMGX-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 229910018503 SF6 Inorganic materials 0.000 title claims abstract description 15
- 230000003287 optical effect Effects 0.000 claims description 49
- 239000013307 optical fiber Substances 0.000 abstract description 3
- 238000012795 verification Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000036244 malformation Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model relates to an oil-pressure control system, in particular to a hydraulic control system for a sulfur-hexafluoride circuit breaker. The utility model solves the problems of larger error and inconvenient checking of a traditional oil-pressure control system. The hydraulic control system for the sulfur-hexafluoride circuit breaker comprises a pressure transmitting module, a control box and a monitoring center; the pressure transmitting module comprises an oil-pressure transmitter and a sulfur-hexafluoride pressure transmitter; the control box comprises an oil-pressure acquisition plate, a sulfur-hexafluoride pressure acquisition plate, a first control plate, a first optical-fiber communication plate, an input/output plate and a relay plate; and the monitoring center comprises a second control plate, a second optical-fiber communication plate and an industrial control computer. The utility model effectively solves the problems of larger error and inconvenient checking of the traditional oil-pressure control system, and the hydraulic control system is applicable to the oil-pressure control of a hydraulic operating mechanism in a high-voltage circuit breaker.
Description
Technical field
The utility model relates to oil pressure control system, specifically is a kind of sulfur hexafluoride breaker hydraulic control system.
Background technology
Hydraulic actuating mechanism is widely used in the primary cut-out with advantages such as its operand power are big, be swift in motion, and it has determined the break performance of primary cut-out to a great extent as the driver part of primary cut-out.When primary cut-out is operated, hydraulic actuating mechanism must with certain speed drive arc-extinguishing mechanism electrical network be disconnected in official hour and close to ensure the normal safe operation of electrical network the pass, promptly when the divide-shut brake instruction arrives, by electromagnet is the divide-shut brake conversion of signals mechanical signal, amplify by energy, drive the contact action rapidly, finish the divide-shut brake task of primary cut-out.But in actual motion, superhigh pressure warning, reclosing block often take place in hydraulic actuating mechanism, suppress fault such as frequent (according to statistics, the fault that causes because of its hydraulic actuating mechanism in circuit breaker failure accounts for more than 70% of fault sum), find that after deliberation this is because the oil pressure control system in the hydraulic actuating mechanism adopts is the mechanical type oil pressure control system; In the mechanical type oil pressure control system, control adheres to the different device of two covers separately with pressure in the oil pressure measurement; Usually, the precision of oil pressure measuring system (Pressure gauge) exists error and its verification inconvenience, and control pressurer system is regulated the controlled function and the warning function of hydraulic actuating mechanism usually by the artificial method of adjusting each fine motion control bolt with reference to the oil pressure measuring system, its direct result that brings is that error strengthens and the generation of second order error, causes the suppressed time of hydraulic actuating mechanism not enough thus, the start and stop pump pressure is leading or lag behind; Therefore, error is big because the mechanical type oil pressure control system exists self, the inconvenient problem of verification, has caused hydraulic actuating mechanism to break down easily, and then has influenced the break performance of circuit breaker; Be necessary to invent the little and novel easily oil pressure control system of verification of a kind of error for this reason,, improve the break performance of circuit breaker to reduce the failure rate of hydraulic actuating mechanism.
Summary of the invention
The utility model provides a kind of sulfur hexafluoride breaker hydraulic control system in order to solve the problem of the big and verification inconvenience of existing oil pressure control system error.
The utility model is to adopt following technical scheme to realize: the sulfur hexafluoride breaker hydraulic control system comprises pressure inverting module, control cabinet and Surveillance center; Described pressure inverting module comprises oil pressure pressure transmitter and sulphur hexafluoride pressure transmitter; Described control cabinet comprises oil pressure pressure acquisition plate, sulphur hexafluoride pressure acquisition plate, first control board, first Optical Interface Board, input/output board and relay board; Described Surveillance center comprises second control board, second Optical Interface Board and industrial computer; Wherein, the output of oil pressure pressure transmitter links to each other with the input of oil pressure pressure acquisition plate, and the output of sulphur hexafluoride pressure transmitter links to each other with the input of sulphur hexafluoride pressure acquisition plate; The output of the output of oil pressure pressure acquisition plate and sulphur hexafluoride pressure acquisition plate all links to each other with the input of first control board, the output of first control board links to each other with the input of first Optical Interface Board, and the output of first Optical Interface Board connects the input of input/output board and the input of second Optical Interface Board respectively; The output of input/output board links to each other with the input of relay board, and the output of relay board is connected with the controlling alarm connecting terminal block; The output of second Optical Interface Board links to each other with the input of second control board, and the output of second control board links to each other with input end of industrial control machine.Described first Optical Interface Board, second Optical Interface Board are the structure that those skilled in the art realize easily, and multiple malformation can be arranged.
During work, oil pressure pressure transmitter and sulphur hexafluoride pressure transmitter are responsible for the oil pressure of monitoring hydraulic actuating mechanism and the sulfur hexafluoride density of arc-extinguishing mechanism respectively; After the density value that oil pressure value that the oil pressure pressure transmitter records and sulphur hexafluoride pressure transmitter record carries out the A/D conversion by oil pressure pressure acquisition plate and sulphur hexafluoride pressure acquisition plate respectively, being sent to first control board separately stores and analyzes, first control board is according to its built-in program output control signal or alarm signal, control signal or alarm signal export the divide-shut brake and the alarm lamp of hydraulic actuating mechanism to by the controlling alarm connecting terminal block, and the controlled function and the warning function of hydraulic actuating mechanism are regulated; Meanwhile, first control board forms with Surveillance center by first Optical Interface Board and is connected, first control board is according to the information of gathering and monitoring, send the oil pressure value of hydraulic actuating mechanism and the sulfur hexafluoride density value of arc-extinguishing mechanism from trend Surveillance center, and upload information such as oil pressure pressure alarm, the warning of control system AC dump in real time; Compare with existing oil pressure control system, sulfur hexafluoride breaker hydraulic control system described in the utility model is by integrating oil pressure measuring system (pressure inverting module) and control pressurer system (control cabinet), thoroughly solved the problem of the big and verification inconvenience of mechanical type oil pressure control system error, reduce the failure rate of hydraulic actuating mechanism thus, effectively improved the break performance of circuit breaker.
The utility model is simple in structure, reasonable in design, efficiently solves the problem of the big and verification inconvenience of existing oil pressure control system error, is applicable to the oil pressure control of hydraulic actuating mechanism in the primary cut-out.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1-oil pressure pressure transmitter, 2-sulphur hexafluoride pressure transmitter, 3-oil pressure pressure acquisition plate, 4-sulphur hexafluoride pressure acquisition plate, 5-first control board, 6-first Optical Interface Board, the 7-input/output board, 8-relay board, 9-second control board, 10-second Optical Interface Board, 11-industrial computer, 12-controlling alarm connecting terminal block, 13-the one CAN controller, 14-the one CPLD chip, the 15-first optical module group, 16-the 2nd CAN controller, 17-the 2nd CPLD chip, the 18-second optical module group.
Embodiment
The sulfur hexafluoride breaker hydraulic control system comprises pressure inverting module, control cabinet and Surveillance center; Described pressure inverting module comprises oil pressure pressure transmitter 1 and sulphur hexafluoride pressure transmitter 2;
Described control cabinet comprises oil pressure pressure acquisition plate 3, sulphur hexafluoride pressure acquisition plate 4, first control board 5, first Optical Interface Board 6, input/output board 7 and relay board 8; Described Surveillance center comprises second control board 9, second Optical Interface Board 10 and industrial computer 11;
Wherein, the output of oil pressure pressure transmitter 1 links to each other with the input of oil pressure pressure acquisition plate 3, and the output of sulphur hexafluoride pressure transmitter 2 links to each other with the input of sulphur hexafluoride pressure acquisition plate 4; The output of the output of oil pressure pressure acquisition plate 3 and sulphur hexafluoride pressure acquisition plate 4 all links to each other with the input of first control board 5, the output of first control board 5 links to each other with the input of first Optical Interface Board 6, and the output of first Optical Interface Board 6 connects the input of input/output board 7 and the input of second Optical Interface Board 10 respectively; The output of input/output board 7 links to each other with the input of relay board 8, and the output of relay board 8 is connected with controlling alarm connecting terminal block 12; The output of second Optical Interface Board 10 links to each other with the input of second control board 9, and the output of second control board 9 links to each other with the input of industrial computer 11;
Described first Optical Interface Board 6 comprises a CAN controller 13, a CPLD chip 14 and the first optical module group 15; Described second Optical Interface Board 10 comprises the 2nd CAN controller 16, the 2nd CPLD chip 17 and the second optical module group 18; Wherein, the input of a CAN controller 13 connects the output of first control board 5 and the output of a CPLD chip 14 respectively, and the output of a CAN controller 13 connects the input of the first optical module group 15; The output of the first optical module group 15 connects the input of the second optical module group 18, the output of the second optical module group 18 connects the input of the 2nd CAN controller 16, the output of the 2nd CAN controller 16 connects the input of the 2nd CPLD chip 17, and the output of the 2nd CPLD chip 17 connects the input of second control board 9;
During work, the CPLD chip is used for the modulation of signal and the control of Optical Interface Board transmission means, the optical module group is used to finish the signal transmitting and receiving between first Optical Interface Board and second Optical Interface Board, and the CAN controller is used for a plurality of control cabinets are coupled together, and forms the loop network topological structure; By the high-low level of control CPLD chip port, can realize freely switching between the different transmission meanss;
During concrete enforcement, first control board and second control board all adopt the ARM control board based on ARM9 flush bonding processor and uCOS-II real time operating system; Oil pressure pressure acquisition plate all is connected with first control board by the RS232 serial ports with sulphur hexafluoride pressure acquisition plate; Between first Optical Interface Board and first control board, between input/output board and first control board, all be connected between second Optical Interface Board and second control board by the PC104 bus; Be connected by optical fiber between first Optical Interface Board and second Optical Interface Board.
Claims (2)
1. a sulfur hexafluoride breaker hydraulic control system is characterized in that: comprise pressure inverting module, control cabinet and Surveillance center; Described pressure inverting module comprises oil pressure pressure transmitter (1) and sulphur hexafluoride pressure transmitter (2); Described control cabinet comprises oil pressure pressure acquisition plate (3), sulphur hexafluoride pressure acquisition plate (4), first control board (5), first Optical Interface Board (6), input/output board (7) and relay board (8); Described Surveillance center comprises second control board (9), second Optical Interface Board (10) and industrial computer (11); Wherein, the output of oil pressure pressure transmitter (1) links to each other with the input of oil pressure pressure acquisition plate (3), and the output of sulphur hexafluoride pressure transmitter (2) links to each other with the input of sulphur hexafluoride pressure acquisition plate (4); The output of the output of oil pressure pressure acquisition plate (3) and sulphur hexafluoride pressure acquisition plate (4) all links to each other with the input of first control board (5), the output of first control board (5) links to each other with the input of first Optical Interface Board (6), and the output of first Optical Interface Board (6) connects the input of input/output board (7) and the input of second Optical Interface Board (10) respectively; The output of input/output board (7) links to each other with the input of relay board (8), and the output of relay board (8) is connected with controlling alarm connecting terminal block (12); The output of second Optical Interface Board (10) links to each other with the input of second control board (9), and the output of second control board (9) links to each other with the input of industrial computer (11).
2. sulfur hexafluoride breaker hydraulic control system according to claim 1 is characterized in that: described first Optical Interface Board (6) comprises a CAN controller (13), a CPLD chip (14) and the first optical module group (15); Described second Optical Interface Board (10) comprises the 2nd CAN controller (16), the 2nd CPLD chip (17) and the second optical module group (18); Wherein, the input of a CAN controller (13) connects the output of first control board (5) and the output of a CPLD chip (14) respectively, and the output of a CAN controller (13) connects the input of the first optical module group (15); The output of the first optical module group (15) connects the input of the second optical module group (18), the output of the second optical module group (18) connects the input of the 2nd CAN controller (16), the output of the 2nd CAN controller (16) connects the input of the 2nd CPLD chip (17), and the output of the 2nd CPLD chip (17) connects the input of second control board (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200701412U CN201956294U (en) | 2011-03-17 | 2011-03-17 | Hydraulic control system for sulfur-hexafluoride circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200701412U CN201956294U (en) | 2011-03-17 | 2011-03-17 | Hydraulic control system for sulfur-hexafluoride circuit breaker |
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| Publication Number | Publication Date |
|---|---|
| CN201956294U true CN201956294U (en) | 2011-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200701412U Expired - Lifetime CN201956294U (en) | 2011-03-17 | 2011-03-17 | Hydraulic control system for sulfur-hexafluoride circuit breaker |
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| CN (1) | CN201956294U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502839A (en) * | 2014-12-31 | 2015-04-08 | 广东电网有限责任公司中山供电局 | Split-phase stored energy monitoring system for three-phase circuit breaker |
| CN104733255A (en) * | 2015-03-10 | 2015-06-24 | 深圳供电局有限公司 | Running-in device of hydraulic operating mechanism used for high-pressure SF6 breaker |
| CN107037753A (en) * | 2017-03-23 | 2017-08-11 | 国家电网公司 | A kind of high-tension switch gear energy storage monitoring and control method and device |
-
2011
- 2011-03-17 CN CN2011200701412U patent/CN201956294U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104502839A (en) * | 2014-12-31 | 2015-04-08 | 广东电网有限责任公司中山供电局 | Split-phase stored energy monitoring system for three-phase circuit breaker |
| CN104733255A (en) * | 2015-03-10 | 2015-06-24 | 深圳供电局有限公司 | Running-in device of hydraulic operating mechanism used for high-pressure SF6 breaker |
| CN107037753A (en) * | 2017-03-23 | 2017-08-11 | 国家电网公司 | A kind of high-tension switch gear energy storage monitoring and control method and device |
| CN107037753B (en) * | 2017-03-23 | 2019-04-05 | 国家电网公司 | A kind of high-tension switch gear energy storage monitoring and control method and device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: NORTH CHINA GRID CO., LTD. DATONG SUPERHIGH-VOLTAGE POWER SUPPLY BRANCH Effective date: 20130822 Owner name: NORTH CHINA GRID CO., LTD. DATONG SUPERHIGH-VOLTAG Free format text: FORMER OWNER: INSTITUTE OF AUTOMATION, CHINESE ACADEMY OF SCIENCES Effective date: 20130822 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 037006 DATONG, SHAANXI PROVINCE TO: 100031 XICHENG, BEIJING |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130822 Address after: 100031 Xicheng District, Chang'an Avenue, No. 86, Patentee after: State Grid Corporation of China Patentee after: Datong Ultrahigh Pressure Electric Power Supply Company Of North China Grid Co., Ltd. Patentee after: Institute of Automation, Chinese Academy of Sciences Address before: 037006 No. three, 38 West Ring Road, Shanxi, Datong Patentee before: Datong Ultrahigh Pressure Electric Power Supply Company Of North China Grid Co., Ltd. Patentee before: Institute of Automation, Chinese Academy of Sciences |
|
| CX01 | Expiry of patent term |
Granted publication date: 20110831 |
|
| CX01 | Expiry of patent term |