CN203849376U - Breaker anti-tripping loop testing apparatus - Google Patents
Breaker anti-tripping loop testing apparatus Download PDFInfo
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- CN203849376U CN203849376U CN201420280673.2U CN201420280673U CN203849376U CN 203849376 U CN203849376 U CN 203849376U CN 201420280673 U CN201420280673 U CN 201420280673U CN 203849376 U CN203849376 U CN 203849376U
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- breaker
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Abstract
The utility model discloses a breaker anti-tripping loop testing apparatus comprising a power indicating module (1), an alarm module (2), a closing module (3), an opening module (4), a testing button (5), a processor (6), and a power module (7). Closing and opening operation are controlled automatically by the processor (6) such that a breaker anti-tripping loop test is performed. The utility model provides an automatic apparatus capable of testing the performance of a breaker anti-tripping loop safely, easily, and accurately. When the anti-tripping function of a breaker fails, the breaker anti-tripping loop testing apparatus effectively prevents serious damage to a breaker caused by a switch tripping phenomenon and breaker damage caused by multiple times of closing and opening of the breaker. An experiment can be performed by an individual user using the breaker anti-tripping loop testing apparatus such that experimental efficiency and experiment success rate are effectively improved. Further, the breaker anti-tripping loop testing apparatus provides an optical alarm function such that visualized and high-efficiency inspection is achieved.
Description
Technical field
The utility model relates to a kind of isolating switch auxiliary test unit, especially a kind of Anti-jump Circuit of Breaker proving installation.
Background technology
After primary cut-out closing operation, due to hand and or the distant reasons such as contact adhesion of closing, cause combined floodgate output terminal always with switching voltage.Now, switch, because of after fault disconnects, is affected by switching voltage, can be at once closed, form " switch jumps ", switch repeatedly cut-off/close operate.The instantaneous repeatedly breaking-closing operating of isolating switch, causes great damage to isolating switch, and switch blast also can occur when serious.Anti-jump loop effectively prevents that in breaker closing process, " switch jump " phenomenon occurring occurs, and while guaranteeing each closing operation, isolating switch can only carry out closing operation one time.Relay protection specialty is checked and accepted and is overhauled in performulation in the capital construction of carrying out isolating switch, and Anti-jump Circuit of Breaker is tested the inspection content that is absolutely necessary.
Staff continues to use classic method and tests, and work at least needs three people to coordinate.Need the first after relay-set hand-held secondary circuit experiment line short circuit protective relaying device closing circuit, the process that when this step mimic-disconnecting switch power transmission, hand closes isolating switch; Need the second people instantaneous short circuit protective device of hand-held secondary circuit experiment line trip(ping) circuit after relay-set, then disconnect fast this experiment line, when mimic-disconnecting switch power transmission, hand closes in fault, the process of protective relaying device outlet tripping operation; Need the 3rd people whether correct to the position of the switch at protective relaying device pronucleus, and record ripple signal and check.
In classic method, need staff to operate at protection screen rear terminal row place, protection screen rear terminal row dense arrangement, terminal may be direct current positive terminal, also may be direct current negative electricity end, also may be with alternating current or ground wire, in the time that staff uses secondary circuit experiment line to carry out the operation of short circuit secondary circuit, as easy as rolling off a log wrong terminal, because this operating process is hot line job, once the terminal of short circuit mistake, may cause short circuit between two groups of DC loop, DC loop ground connection or cause short circuit between alternating current-direct current loop, the stability of the ac and dc systems to whole transformer station causes considerable damage, relay-set rear space is narrow and small, and two people operate not convenient simultaneously, interfere with each other, because the protective relaying device outlet trip time is shorter, the process of the hand-held secondary circuit experiment line of staff short circuit protective relaying device trip(ping) circuit, the process that is difficult in time accurately simulate protective relaying device outlet tripping operation, if the isolating switch anti-bouncing function in experiment lost efficacy, the overlong time of hand-held secondary circuit experiment line short circuit protective relaying device tripping operation outlet, can cause the instantaneous repeatedly divide-shut brake of isolating switch, and isolating switch is caused to great damage, in addition, this need of work three people have coordinated, and the number needing is many, coordinate difficulty large, and the time is longer, and repeatedly breaker tripping and closing cause damage to isolating switch.
Visible, be badly in need of a kind of proving installation and automatically complete Anti-jump Circuit of Breaker test.
Utility model content
The technical problems to be solved in the utility model be to provide a kind of can be safe, easy, accurate, the aut.eq. of test both opens device anti-jump loop performance.
Technical solution adopted in the utility model is:
A kind of Anti-jump Circuit of Breaker proving installation, is characterized in that: comprise power supply indicating module, alarm module, combined floodgate module, separating brake module, testing button, processor and power module;
Power module is power supply indicating module, alarm module, combined floodgate module), separating brake module and processor its power supply is provided;
The state of processor collecting test button, under it is controlled, instruction combined floodgate module and separating brake module are carried out and are closed a floodgate and sub-switching operation;
Power supply indicating module is indicated its Power supply situation under processor control; Alarm module sends alarm instruction under the control of processor.
Power module comprises Switching Power Supply MOD1, by external communication 220V power supply be converted to respectively direct current+5V and+24V output provide direct current+5V ,+24V and-24V power supply.
Power supply indicating module comprises light emitting diode D1 and resistance R 1, and light emitting diode D1 and resistance R 1 are connected, one termination+5V direct supply, the I/O mouth of its another termination processor.
Alarm module comprises light emitting diode D2 and resistance R 4, and light emitting diode D2 and resistance R 4 are connected, one termination+5V direct supply, the I/O mouth of its another termination processor.
Combined floodgate module comprises resistance R 2, R3, photoelectrical coupler N1A, light emitting diode D3, relay K 1 and combined floodgate control terminal P1, P2; The negative electrode of photoelectrical coupler N1A connects the I/O mouth of processor through resistance R 3, connect+5V of anode direct supply, and connect-24V of emitter power supply, collector is successively through light emitting diode D3 and connect+24V of resistance R 2 direct supply; Between the coil of relay K 1 be connected on+24V direct supply and the collector of photoelectrical coupler N1A, normally opened contact is connected between combined floodgate control terminal P1 and P2.
Separating brake module comprises resistance R 5, R6, photoelectrical coupler N1B, light emitting diode D4, relay K 2 and combined floodgate control terminal P3, P4; The negative electrode of photoelectrical coupler N1B connects the I/O mouth of processor through resistance R 6, connect+5V of anode direct supply, and connect-24V of emitter, collector is successively through light emitting diode D4 and connect+24V of resistance R 5 direct supply; Between the coil of relay K 2 be connected on+24V direct supply and the collector of photoelectrical coupler N1B, normally opened contact is connected between combined floodgate control terminal P3 and P4.
Testing button is keyswitch S1, the I/O mouth of a termination processor, its other end ground connection.
Processor is single-chip microcomputer STC 12c5a32s2, and its crystal oscillating circuit comprises crystal oscillator Y1 and capacitor C 2, C3; Crystal oscillator Y1 is connected between 16 pins and 17 pins of single-chip microcomputer STC 12c5a32s2, capacitor C 2, C3 one end ground connection, and its other end connects respectively 16 pins and 17 pins of single-chip microcomputer STC 12c5a32s2.
The beneficial effect that adopts technique scheme to produce is:
1, this proving installation is connected protective relaying device closing loop with secondary circuit experiment line with the breaker tripping and closing passive bus of the anti-jump proving installation of isolating switch; can check the correctness of wiring and carry out again breaker tripping and closing operation; once avoid short circuit closing loop in conventionally test method export and produce short circuit between two groups of control loops, or caused the situation of DC earthing.
2, the breaker tripping and closing output node that this proving installation provides is accurately controlled the time of breaker tripping and closing by single-chip microcomputer, tripping operation output time is very short, and while having avoided isolating switch anti-bouncing function to lose efficacy, the instantaneous repeatedly breaker tripping and closing of isolating switch that cause, cause huge damage to isolating switch.
3, the wiring of this proving installation instrument is safe and efficient, simple, needed to have three people inspection content that just can complete of simultaneously working for 1 hour in the past, can, by people's complete independently in 10 minutes, save the compounding practice in two human world at present, greatly improve the success ratio of experiment.
4, this proving installation provides optics warning function, can report to the police as prompting by optics, makes inspection work more directly perceived, efficient.
Brief description of the drawings
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Fig. 1 is structured flowchart of the present utility model;
Fig. 2 is the power supply indicating module circuit theory diagrams of the utility model embodiment;
Fig. 3 is the combined floodgate modular circuit schematic diagram of the utility model embodiment;
Fig. 4 is the separating brake modular circuit schematic diagram of the utility model embodiment;
Fig. 5 is power supply indicating module and the alarm module circuit theory diagrams of the utility model embodiment;
Fig. 6 is processor and the testing button circuit theory diagrams of the utility model embodiment.
Embodiment
As shown in Figure 1, a kind of Anti-jump Circuit of Breaker proving installation, is characterized in that: comprise power supply indicating module 1, alarm module 2, combined floodgate module 3, separating brake module 4, testing button 5, processor 6 and power module 7;
For power supply indicating module 1, alarm module 2, combined floodgate module 3, separating brake module 4 and processor 6, it provides power supply to power module 7;
The state of processor 6 collecting test buttons 5, under it is controlled, instruction combined floodgate module 3 and separating brake module 4 are carried out and are closed a floodgate and sub-switching operation;
Power supply indicating module 1 is indicated its Power supply situation under processor 6 is controlled; Alarm module 2 sends alarm instruction under the control of processor 6.
As shown in Figure 2, power module 7 comprises Switching Power Supply MOD1, by external communication 220V power supply be converted to respectively direct current+5V and+24V output provide direct current+5V ,+24V and-24V power supply.
As shown in Figure 5, power supply indicating module 1 comprises light emitting diode D1 and resistance R 1, and light emitting diode D1 and resistance R 1 are connected, one termination+5V direct supply, the I/O mouth of its another termination processor 6.
In the present embodiment, light emitting diode D1 connects 3 pins of processor 6 through resistance R 1.
Alarm module 2 comprises light emitting diode D2 and resistance R 4, and light emitting diode D2 and resistance R 4 are connected, one termination+5V direct supply, the I/O mouth of processor (6) described in its another termination.
In the present embodiment, light emitting diode D2 connects 4 pins of processor 6 through resistance R 4.
As shown in Figure 3, combined floodgate module 3 comprises resistance R 2, R3, photoelectrical coupler N1A, light emitting diode D3, relay K 1 and combined floodgate control terminal P1, P2; The negative electrode of photoelectrical coupler N1A connects the I/O mouth of processor 6 through resistance R 3, connect+5V of anode direct supply, and connect-24V of emitter power supply, collector is successively through light emitting diode D3 and connect+24V of resistance R 2 direct supply; Between the coil of relay K 1 be connected on+24V direct supply and the collector of photoelectrical coupler N1A, normally opened contact is connected between combined floodgate control terminal P1 and P2.
In the present embodiment, the negative electrode of photoelectrical coupler N1A connects 27 pins of processor 6 through resistance R 3.
As shown in Figure 4, separating brake module 4 comprises resistance R 5, R6, photoelectrical coupler N1B, light emitting diode D4, relay K 2 and combined floodgate control terminal P3, P4; The negative electrode of photoelectrical coupler N1B connects the I/O mouth of processor 6 through resistance R 6, connect+5V of anode direct supply, and connect-24V of emitter, collector is successively through light emitting diode D4 and connect+24V of resistance R 5 direct supply; Between the coil of relay K 2 be connected on+24V direct supply and the collector of photoelectrical coupler N1B, normally opened contact is connected between combined floodgate control terminal P3 and P4.
In the present embodiment, the negative electrode of photoelectrical coupler N1B connects 26 pins of processor 6 through resistance R 6.
As shown in Figure 6, testing button is keyswitch S1, the I/O mouth of a termination processor 6, its other end ground connection.
In the present embodiment, keyswitch S1,24 pins of a termination processor 6.
Processor 6 is single-chip microcomputer STC 12c5a32s2, and its crystal oscillating circuit comprises crystal oscillator Y1 and capacitor C 2, C3; Crystal oscillator Y1 is connected between 16 pins and 17 pins of single-chip microcomputer STC 12c5a32s2, capacitor C 2, C3 one end ground connection, and its other end connects respectively 16 pins and 17 pins of single-chip microcomputer STC 12c5a32s2.
When use, closing a floodgate, control terminal P1 and P2 are connected respectively to the closing circuit positive terminal 101 of protective relaying device and the hand of protective relaying device closes loop 103, and processor drives to be controlled the closure of combined floodgate control terminal P1 and P2 and opens.
Close a floodgate when use control terminal P3 and P4 is connected respectively to trip(ping) circuit positive terminal 101 and first group of trip(ping) circuit R143 of protective relaying device, and processor drives the closure of controlling combined floodgate control terminal P1 and P2 and opens.
Device powers on, and single-chip microcomputer is carried out to initialization, and detection is passed through, and power light is bright, and device stand by lamp does not work.Single-chip microcomputer P2.6 pin output high level, combined floodgate module is failure to actuate, and the node of often opening of the combined floodgate exit relay K1 output of combined floodgate module is open mode, obstructed between combined floodgate lead-out terminal P1, P2; Single-chip microcomputer P2.5 pin output high level, tripping operation module is failure to actuate, and the node of often opening of the tripping operation exit relay K2 output of tripping operation module is open mode, obstructed between tripping operation lead-out terminal P3, P4.
Power at device, under normal operation, testing button S1 is pressed, under Single-chip Controlling, single-chip microcomputer P2.6 pin at 0s to 2s output low level, N1A element conductive, the action of combined floodgate module, the combined floodgate exit relay K1 action of combined floodgate module, combined floodgate output node closure, conducting between combined floodgate lead-out terminal P1, P2; Diode D3 conducting is luminous, and instruction is in "on" position.The high level of single-chip microcomputer P2.6 pin output afterwards, opens between combined floodgate lead-out terminal P1, P2, and diode D3 recovers the state that do not work; Similarly, at 0.5s, between 0.6s, Single-chip Controlling P2.5 pin output low level, controls conducting between separating brake lead-out terminal P3, P4, and diode D4 conducting is luminous, and instruction is in gate-dividing state.The high level of Single-chip Controlling P2.5 pin output afterwards, separating brake lead-out terminal P3, P4 are separated, and diode D4 recovers the state that do not work, and first group of anti-jump loop experiment is complete.
The tripping operation output plughole P3 of the anti-jump proving installation of isolating switch is connected to second group of trip(ping) circuit positive terminal 201 of protective relaying device; tripping operation output plughole P4 is connected to second group of trip(ping) circuit R243 of protective relaying device; adopt and test identical method of testing with first group of anti-jump loop, test second group of anti-jump loop experiment.
This proving installation is connected protective relaying device closing loop with secondary circuit experiment line with the breaker tripping and closing passive bus of the anti-jump proving installation of isolating switch; can check the correctness of wiring and carry out again breaker tripping and closing operation; once avoid the situation that in conventionally test method, short circuit closing loop exports; avoid causing short circuit between two groups of control loops, or caused the situation of DC earthing.
The wiring of this proving installation instrument is safe and efficient, simple, needed to have three people inspection content that just can complete of simultaneously working for 1 hour in the past, at present can be by people's complete independently in 10 minutes, save the compounding practice in two human world, greatly improve the success ratio of experiment, avoided the isolating switch isolating switch that repeatedly divide-shut brake causes to damage.
The breaker tripping and closing output node that this proving installation provides is accurately controlled the time of breaker tripping and closing by single-chip microcomputer, tripping operation output time is very short, and while having avoided isolating switch anti-bouncing function to lose efficacy, the instantaneous repeatedly breaker tripping and closing of isolating switch that cause, cause huge damage to isolating switch.
This proving installation provides optics warning function, can report to the police as prompting by optics, makes inspection work more directly perceived, efficient.
Claims (8)
1. an Anti-jump Circuit of Breaker proving installation, is characterized in that: comprise power supply indicating module (1), alarm module (2), combined floodgate module (3), separating brake module (4), testing button (5), processor (6) and power module (7);
Described power module (7) be described power supply indicating module (1), alarm module (2), combined floodgate module (3), separating brake module (4) and processor (6) its power supply is provided;
Described processor (6) gathers the state of described testing button (5), under it is controlled, indicates described combined floodgate module (3) and separating brake module (4) to carry out and closes a floodgate and sub-switching operation;
Described power supply indicating module (1) is its Power supply situation of instruction under described processor (6) is controlled; Described alarm module (2) sends alarm instruction under the control of described processor (6).
2. Anti-jump Circuit of Breaker proving installation according to claim 1, it is characterized in that described power module (7) comprises Switching Power Supply MOD1, by external communication 220V power supply be converted to respectively direct current+5V and+24V output provide direct current+5V ,+24V and-24V power supply.
3. Anti-jump Circuit of Breaker proving installation according to claim 1, it is characterized in that described power supply indicating module (1) comprises light emitting diode D1 and resistance R 1, described light emitting diode D1 and resistance R 1 are connected, one termination+5V direct supply, the I/O mouth of processor (6) described in its another termination.
4. Anti-jump Circuit of Breaker proving installation according to claim 1, it is characterized in that described alarm module (2) comprises light emitting diode D2 and resistance R 4, described light emitting diode D2 and resistance R 4 are connected, one termination+5V direct supply, the I/O mouth of processor (6) described in its another termination.
5. Anti-jump Circuit of Breaker proving installation according to claim 1, is characterized in that described combined floodgate module (3) comprises resistance R 2, R3, photoelectrical coupler N1A, light emitting diode D3, relay K 1 and combined floodgate control terminal P1, P2; The negative electrode of described photoelectrical coupler N1A connects the I/O mouth of described processor (6) through described resistance R 3, connect+5V of anode direct supply, and connect-24V of emitter power supply, collector is successively through light emitting diode D3 and connect+24V of resistance R 2 direct supply; Between the coil of described relay K 1 be connected on+24V direct supply and the collector of described photoelectrical coupler N1A, normally opened contact is connected between described combined floodgate control terminal P1 and P2.
6. Anti-jump Circuit of Breaker proving installation according to claim 1, is characterized in that described separating brake module (4) comprises resistance R 5, R6, photoelectrical coupler N1B, light emitting diode D4, relay K 2 and combined floodgate control terminal P3, P4; The negative electrode of described photoelectrical coupler N1B connects the I/O mouth of described processor (6) through described resistance R 6, connect+5V of anode direct supply, and connect-24V of emitter, collector is successively through light emitting diode D4 and connect+24V of resistance R 5 direct supply; Between the coil of described relay K 2 be connected on+24V direct supply and the collector of described photoelectrical coupler N1B, normally opened contact is connected between described combined floodgate control terminal P3 and P4.
7. Anti-jump Circuit of Breaker proving installation according to claim 1, is characterized in that described testing button is keyswitch S1, the I/O mouth of processor (6) described in a termination, its other end ground connection.
8. Anti-jump Circuit of Breaker proving installation according to claim 1, is characterized in that described processor (6) is single-chip microcomputer STC 12c5a32s2, and its crystal oscillating circuit comprises crystal oscillator Y1 and capacitor C 2, C3; Described crystal oscillator Y1 is connected between 16 pins and 17 pins of described single-chip microcomputer STC 12c5a32s2, described capacitor C 2, C3 one end ground connection, and its other end connects respectively 16 pins and 17 pins of described single-chip microcomputer STC 12c5a32s2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280673.2U CN203849376U (en) | 2014-05-29 | 2014-05-29 | Breaker anti-tripping loop testing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280673.2U CN203849376U (en) | 2014-05-29 | 2014-05-29 | Breaker anti-tripping loop testing apparatus |
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| Publication Number | Publication Date |
|---|---|
| CN203849376U true CN203849376U (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420280673.2U Expired - Fee Related CN203849376U (en) | 2014-05-29 | 2014-05-29 | Breaker anti-tripping loop testing apparatus |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198926A (en) * | 2014-05-29 | 2014-12-10 | 国家电网公司 | Anti-trip loop test device for breaker and control method thereof |
| CN104267333A (en) * | 2014-10-21 | 2015-01-07 | 国家电网公司 | Detector for checking main transformer tripping protection logic loop |
| CN107290658A (en) * | 2017-07-13 | 2017-10-24 | 国网浙江省电力公司绍兴供电公司 | A kind of Anti-jump Circuit of Breaker method of testing |
| CN108919107A (en) * | 2018-06-14 | 2018-11-30 | 国网宁夏电力有限公司中卫供电公司 | A kind of anti-jump test device of breaker |
-
2014
- 2014-05-29 CN CN201420280673.2U patent/CN203849376U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104198926A (en) * | 2014-05-29 | 2014-12-10 | 国家电网公司 | Anti-trip loop test device for breaker and control method thereof |
| CN104267333A (en) * | 2014-10-21 | 2015-01-07 | 国家电网公司 | Detector for checking main transformer tripping protection logic loop |
| CN107290658A (en) * | 2017-07-13 | 2017-10-24 | 国网浙江省电力公司绍兴供电公司 | A kind of Anti-jump Circuit of Breaker method of testing |
| CN107290658B (en) * | 2017-07-13 | 2019-08-13 | 国网浙江省电力公司绍兴供电公司 | A kind of Anti-jump Circuit of Breaker test method |
| CN108919107A (en) * | 2018-06-14 | 2018-11-30 | 国网宁夏电力有限公司中卫供电公司 | A kind of anti-jump test device of breaker |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140924 |
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| CF01 | Termination of patent right due to non-payment of annual fee |