CN102624087A - Outdoor permanent magnetic intelligent vacuum breaker - Google Patents
Outdoor permanent magnetic intelligent vacuum breaker Download PDFInfo
- Publication number
- CN102624087A CN102624087A CN2012100573131A CN201210057313A CN102624087A CN 102624087 A CN102624087 A CN 102624087A CN 2012100573131 A CN2012100573131 A CN 2012100573131A CN 201210057313 A CN201210057313 A CN 201210057313A CN 102624087 A CN102624087 A CN 102624087A
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- chip microcomputer
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- permanent magnetic
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- 238000004891 communication Methods 0.000 claims abstract description 19
- 238000002955 isolation Methods 0.000 claims abstract description 14
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 230000003287 optical effect Effects 0.000 claims description 10
- 238000012360 testing method Methods 0.000 claims description 5
- 230000007257 malfunction Effects 0.000 claims description 4
- 230000005389 magnetism Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 abstract 1
- 239000004973 liquid crystal related substance Substances 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000009533 lab test Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- Remote Monitoring And Control Of Power-Distribution Networks (AREA)
- Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
Abstract
The invention relates to an outdoor permanent magnetic intelligent vacuum breaker. A zero sequence current transformer, a phase current transformer, a line voltage transformer, a filtering circuit, a power supply management circuit, a charging unit, a capacitive circuit, a photoelectric isolation circuit, a photocoupling isolation circuit, a storage unit, a watchdog circuit, a system unit circuit, a clock circuit, transistor-transistor logic (TTL) communication, a fault state alarm, a data line of an input keyboard, a liquid crystal display (LCD) and a light-emitting diode (LED) display are respectively connected onto a single-chip microcomputer. General packet radio service (GPRS) communication is connected with the TTL communication. The capacitive circuit and the photocoupling isolation circuit are connected with a driving and counter emf absorbing unit and a circuit of a permanent magnetic driver. A permanent magnetic driving circuit is provided with an in-place detecting circuit and an in-place indicator. A communication circuit is connected with the photocoupling isolation circuit, and a remote controller circuit below a column is further connected with the photocoupling isolation circuit. The outdoor permanent magnetic intelligent vacuum breaker has the advantages of being simple to operate and safe and reliable and is suitable for being used for outdoor vacuum breaker remote control operation.
Description
Technical field
The present invention is to provide the control device of field of power transmission, specifically a kind of outdoor permanent magnet intelligent vacuum circuit-breaker.
Background technology
The effect of circuit breaker in electric power system is control and protection system safe and stable operation, and vacuum circuit-breaker is as the main product of Medium voltage switch or circuit breaker, and there is far-reaching influence in system to stable power.
Therefore but existing vacuum circuit-breaker is normally controlled through wire circuit, occurs the drawback of Control Failure easily, has also increased the loaded down with trivial details property of operation simultaneously, therefore occurs misoperation easily, and the generation of the continuous phenomenon that causes opening circuit.
Summary of the invention
In order to overcome the shortcoming that existing vacuum circuit-breaker exists, the invention provides a kind of outdoor intelligent vacuum circuit breaker.This circuit breaker combines through combinational circuit and remote control, reaches the outdoor vacuum circuit breaker work of controlling, thereby solves the technical problem that vacuum circuit-breaker intelligence is controlled.
The scheme that technical solution problem of the present invention is adopted is:
Power supply inserts zero sequence current mutual inductor, phase current mutual inductor and line voltage transformer respectively, and joins through filter circuit and single-chip microcomputer; Electric power management circuit joins through photoelectric isolating circuit and single-chip microcomputer again through charhing unit and condenser network; Condenser network joins with driving and back-emf absorptive unit again; Photoelectric isolating circuit and driving and back-emf absorptive unit interconnect simultaneously; Driving and back-emf absorptive unit are connected with the circuit of permanent magnet drive, on the permanent magnetism drive circuit, are provided with the circuit of the testing circuit that puts in place and the indicating device that puts in place; Communicating circuit and optical coupling isolation circuit join, and remote control circuitry is joined with optical coupling isolation circuit again under the post, and optical coupling isolation circuit is linked in the single-chip microcomputer; Memory cell and single-chip microcomputer interconnect; Watchdog circuit is connected with single-chip microcomputer respectively with the system unit circuit; Clock circuit and single-chip microcomputer interconnect; The GPRS communication is connected with the TTL communication network, and wherein, the TTL communication interconnects with single-chip microcomputer again, and mail message; On single-chip microcomputer, be connected with the malfunction alarm; The data wire of input keyboard is connected with single-chip microcomputer; On single-chip microcomputer, be connected with LCD display and light-emitting diode display.
Good effect, outdoor intelligent vacuum circuit breaker of the present invention is installed on the transmission line, can be through controlling remote controller under the post, Drive and Control Circuit is moved to permanent magnet drive, realizes opening and shutting off vacuum circuit-breaker.Have simple to operately, safe and reliable, save operation link, be difficult for producing the characteristics of misoperation.Suitable to using in the outdoor vacuum circuit breaker straighforward operation.
Description of drawings
Fig. 1 is a circuit block constitutional diagram of the present invention
Among the figure, 1. remote controller under the post, 2. optical coupling isolator, 3. communication power supply, 4. memory cell, 5. watchdog circuit; 6. system unit, 7. clock circuit, 8.GPRS communication, 9.TTL communication, 10. single-chip microcomputer, 11. malfunction alarms; The indicating device 12. put in place, 13. testing circuits that put in place, 14. photoelectric isolating circuits, 15. modulate circuits, 16.LED display, 17.LCD display; 18. input keyboard, 19. filter circuits, 20. zero sequence current mutual inductors, 21. phase current mutual inductors, 22. line voltage transformers; 23. electric power management circuit, 24. charhing units, 25. condenser networks, 26. drive and back-emf absorptive unit circuit 27. permanent magnet drives.
Embodiment
Shown in figure, power supply inserts zero sequence current mutual inductor 20, phase current mutual inductor 21 and line voltage transformer 22 respectively, and joins through filter circuit 19 and single-chip microcomputer 10; Electric power management circuit 23 joins through photoelectric isolating circuit 14 and single-chip microcomputer again through charhing unit 24 and condenser network 25; Condenser network joins with driving and back-emf absorptive unit 26 again; Photoelectric isolating circuit and driving and back-emf absorptive unit interconnect simultaneously; Driving and back-emf absorptive unit are connected with the circuit of permanent magnet drive 27, on the permanent magnetism drive circuit, are provided with put in place the testing circuit 13 and the indicating device 12 that puts in place; Communicating circuit 3 joins with optical coupling isolation circuit 2, and remote controller 1 circuit joins with optical coupling isolation circuit again under the post, and optical coupling isolation circuit is linked in the single-chip microcomputer; Memory cell 4 interconnects with single-chip microcomputer; Watchdog circuit 5 is connected with single-chip microcomputer respectively with system unit circuit 6; Clock circuit 7 interconnects with single-chip microcomputer; GPRS communication 8 is connected with TTL communication 9 networks, and wherein, the TTL communication interconnects with single-chip microcomputer again, and mail message; On single-chip microcomputer, be connected with malfunction alarm 11; The data wire of input keyboard 18 is connected with single-chip microcomputer; On single-chip microcomputer, be connected with LCD display 17 and light-emitting diode display 16.
The course of work of the present invention is:
After the system start-up, the operation initialize routine comprises the initialization of LCD, DS1302, GPRS-DTU, EEPROM etc.After initialize routine finishes; System carries out startup self-detection, and the integrity of each parts of inspection circuit breaker comprises the inspection to potential circuit instrument transformer, electrolytic capacitor, battery, power management module, communication module etc.; And carry out LCD and LED demonstration, if there is fault can send the warning of different durations.If startup self-detection is normal, reads EEPROM numerical value, and write in the RAM of corresponding address.Initial value reads after the completion; Carrying out switching value and analog quantity detects; Switching value comprises: the detection of circuit breaker opening and closing in place situation, electric capacity charge condition, local long-range switching etc., analog quantity detect and comprise: the detection of three-phase current, a phase voltage, zero-sequence current etc.After numerical value detects, judged whether to interrupt getting into, interrupted comprising: remote control is interrupted under TTL communicating interrupt, button interruption and the post.If have interrupt to get into, judge priority of interrupt earlier, return main program after once carrying out interruption subroutine then.The variable that defence program is carried out judgement is included in the parameter detection of main program; If detected parameter and preset parameters value are inconsistent; Carry out next step judgement; If judging has fault to take place, then carry out the error protection subprogram immediately, and fault parameter is kept in the EEPROM and sends to host computer.After pending fault is got rid of, carry out automatic reclosing or artificial the reparation, system gets into normal operating condition.
The present invention is applied on the transmission line of electric company, colliery, Utilities Electric Co., factory, institution of higher learning, group company.
Embodiment
Single-chip microcomputer adopts the ATMEGA128 single-chip microcomputer.
Capacitor charging circuit adopts the ATMEGA16 single-chip microcomputer.
Testing circuit comprises one road voltage, three road phase currents and zero-sequence current.
Filter circuit adopts chip LM224.
Communicating circuit GPRS communicating circuit adopts EM310; Remote control circuit adopts SC2272 decoding, SC2262 decoding chip under the post.
The power supply of control system adopts microcontroller DC-DC modular power source and 7909 to form, and wherein 7909 providers when being used to turn-off IGBT are to voltage.
The permanent magnet coil drive adopts FGL160N60UFD.The indicating device that puts in place adopts the LED luminous element.
Input disc adopts single tactile keyboard, LCD to adopt 12864, and LED employing diameter is 5 millimeters the bright LED of the red height of white hair, and memory cell adopts AT24C512 iron memory chip.
Adopt the as above parts and the circuit element of model, constitute the drive circuit of vacuum circuit-breaker, be used to drive the folding of vacuum circuit-breaker contact.
Intelligent circuit breaker of the present invention is furnished with isolating switch; Realize interlocking, operating mechanism is selected novel monostable twin coil permanent-magnet manipulating mechanism for use, and arc control device are selected vacuum extinction for use; Have remote control under the post, detection, control, protection, communication function simultaneously; Adopt modular design concept, have complete circuit breaker failure defencive function simultaneously, and realize the PC remote monitoring through GPRS.
Show through laboratory tests; Stable, the perfect in shape and function of magneto intelligent vacuum circuit breaker of the present invention; Can effectively divide, close load current and short circuit current adaptable across urban distribution network as disjunction or be used for rural power grids distribution system outdoor substation as going out wiretap.Measurement protection control and communication function that internal system disposed can fully satisfy the electrical power distribution automatization system requirement.
Claims (1)
1. outdoor permanent magnet intelligent vacuum circuit-breaker is characterized in that:
Power supply inserts zero sequence current mutual inductor (20), phase current mutual inductor (21) and line voltage transformer (22) respectively, and joins through filter circuit (19) and single-chip microcomputer (10);
Electric power management circuit (23) joins through photoelectric isolating circuit (14) and single-chip microcomputer again through charhing unit (24) and condenser network (25);
Condenser network joins with driving and back-emf absorptive unit (26) again; Photoelectric isolating circuit and driving and back-emf absorptive unit interconnect simultaneously; Driving and back-emf absorptive unit are connected with the circuit of permanent magnet drive (27), on the permanent magnetism drive circuit, are provided with testing circuit that puts in place (13) and the indicating device that puts in place (12);
Communicating circuit (3) joins with optical coupling isolation circuit (2), and remote controller under the post (1) circuit joins with optical coupling isolation circuit again, and optical coupling isolation circuit is linked in the single-chip microcomputer;
Memory cell (4) interconnects with single-chip microcomputer; Watchdog circuit (5) is connected with single-chip microcomputer respectively with system unit circuit (6);
Clock circuit (7) interconnects with single-chip microcomputer;
GPRS communication (8) is connected with TTL communication (9) network, and wherein, the TTL communication interconnects with single-chip microcomputer again, and mail message;
On single-chip microcomputer, be connected with malfunction alarm (11);
The data wire of input keyboard (18) is connected with single-chip microcomputer;
On single-chip microcomputer, be connected with LCD display (17) and light-emitting diode display (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210057313.1A CN102624087B (en) | 2012-03-07 | 2012-03-07 | Outdoor permanent magnetic intelligent vacuum breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210057313.1A CN102624087B (en) | 2012-03-07 | 2012-03-07 | Outdoor permanent magnetic intelligent vacuum breaker |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102624087A true CN102624087A (en) | 2012-08-01 |
| CN102624087B CN102624087B (en) | 2014-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210057313.1A Active CN102624087B (en) | 2012-03-07 | 2012-03-07 | Outdoor permanent magnetic intelligent vacuum breaker |
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| CN (1) | CN102624087B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560496A (en) * | 2013-11-08 | 2014-02-05 | 宁夏天地经纬电力设备工程有限公司 | Control system of intelligent circuit breaker |
| CN103633612A (en) * | 2013-12-25 | 2014-03-12 | 国家电网公司 | Vacuum circuit breaker |
| CN105355519A (en) * | 2015-11-30 | 2016-02-24 | 丽水学院 | Intelligent permanent magnet switch drive circuit and control method therefor |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85204764U (en) * | 1985-10-30 | 1988-02-24 | 上海海运学院 | Anti-high-tension breakdown driving circuit for power step-by-step motor |
| CN2591830Y (en) * | 2002-12-24 | 2003-12-10 | 汕头高新区天健电气有限公司 | Intelligent observing & controlling protector for low voltage distributing system |
| CN2794056Y (en) * | 2005-05-20 | 2006-07-05 | 上海电器股份有限公司人民电器厂 | Telecommunication adapter with low-voltage field electrical appliances bus connection |
| CN201562973U (en) * | 2009-11-04 | 2010-08-25 | 南京因泰莱配电自动化设备有限公司 | High-voltage power reactive compensation comprehensive protection controller |
| CN201946497U (en) * | 2010-12-14 | 2011-08-24 | 深圳市金博联电力技术有限公司 | Self-adaptive controller of mono-stable permanent magnet mechanism of vacuum switch |
-
2012
- 2012-03-07 CN CN201210057313.1A patent/CN102624087B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85204764U (en) * | 1985-10-30 | 1988-02-24 | 上海海运学院 | Anti-high-tension breakdown driving circuit for power step-by-step motor |
| CN2591830Y (en) * | 2002-12-24 | 2003-12-10 | 汕头高新区天健电气有限公司 | Intelligent observing & controlling protector for low voltage distributing system |
| CN2794056Y (en) * | 2005-05-20 | 2006-07-05 | 上海电器股份有限公司人民电器厂 | Telecommunication adapter with low-voltage field electrical appliances bus connection |
| CN201562973U (en) * | 2009-11-04 | 2010-08-25 | 南京因泰莱配电自动化设备有限公司 | High-voltage power reactive compensation comprehensive protection controller |
| CN201946497U (en) * | 2010-12-14 | 2011-08-24 | 深圳市金博联电力技术有限公司 | Self-adaptive controller of mono-stable permanent magnet mechanism of vacuum switch |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103560496A (en) * | 2013-11-08 | 2014-02-05 | 宁夏天地经纬电力设备工程有限公司 | Control system of intelligent circuit breaker |
| CN103633612A (en) * | 2013-12-25 | 2014-03-12 | 国家电网公司 | Vacuum circuit breaker |
| CN103633612B (en) * | 2013-12-25 | 2017-01-18 | 国家电网公司 | Vacuum circuit breaker |
| CN105355519A (en) * | 2015-11-30 | 2016-02-24 | 丽水学院 | Intelligent permanent magnet switch drive circuit and control method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102624087B (en) | 2014-11-19 |
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| ASS | Succession or assignment of patent right |
Owner name: LIAONING TECHNICAL UNIVERSITY STATE ELECTRIC NET C Free format text: FORMER OWNER: LIAONING TECHNICAL UNIVERSITY Effective date: 20130110 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Effective date of registration: 20130110 Address after: 125000 Huludao City, Liaoning province Longgang district on the road No. 5 Applicant after: Huludao Power Supply Company, Liaoning Electric Power Co., Ltd. Applicant after: Liaoning Technical University Applicant after: State Grid Corporation of China Address before: 125000 Huludao City, Liaoning province Longgang district on the road No. 5 Applicant before: Huludao Power Supply Company, Liaoning Electric Power Co., Ltd. Applicant before: Liaoning Technical University |
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