CN204989357U - Simple analog circuit breaker - Google Patents
Simple analog circuit breaker Download PDFInfo
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- CN204989357U CN204989357U CN201520803113.5U CN201520803113U CN204989357U CN 204989357 U CN204989357 U CN 204989357U CN 201520803113 U CN201520803113 U CN 201520803113U CN 204989357 U CN204989357 U CN 204989357U
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- relay
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- mimic
- disconnecting switch
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Abstract
The utility model discloses a simple analog circuit breaker, include: a simulation high voltage circuit breaker divides the relay in closing coils return circuit, a trip(ping) circuit, and a combined floodgate return circuit, a set of instruction return circuit that is instructing the tripping operation, a set of instruction return circuit for instructing the combined floodgate, two sets of tips extension return circuit, the mimic -disconnecting switch is parallelly connected to be set up in the control source both sides, including current -limiting resistor and divide -shut brake pilot lamp, divides switching knob, the utility model discloses can replace high voltage circuit breaker and traditional complicated mimic -disconnecting switch, use when extensive strike -machine of overload protection device and qualitative test to reach and perfect mesh experimental and reduction in production cost.
Description
Technical field
The utility model belongs to power system relay protection device inspection field, is specifically related to a kind of easy mimic-disconnecting switch.
Background technology
At present, known mimic-disconnecting switch is all as special relay protection test equipment, and the branch wire time of complete high voltage breaker simulator, the parameters such as divide-shut brake loop resistance, branch wire time are optional.And phase-splitting breaker tripping and closing can be selected to arrange.
With reference to Fig. 1, during separating brake, terminal 31 meets-KM, and terminal 30 connects the series loop by electricity testing device separating brake contact and+KM, and coil TQ is charged, breaker open operation, the charged QF action of the mechanical mechanism now in isolating switch, terminal 12, terminal 46 junction closure; During combined floodgate, terminal 4 meets-KM, and terminal 14 connects the series loop by electricity testing device combined floodgate contact and+KM, and coil HQ is charged, breaker closing, the charged QF action of the mechanical mechanism now in isolating switch, terminal 3, terminal 13 junction closure; As can be seen here above-mentioned test circuit diagram more complicated and test process is cumbersome; in a lot of situation; especially only need test qualitatively in protective relaying device debug process, or debugging energising of dispatching from the factory in enormous quantities does not just need so complicated mimic-disconnecting switch when within 100 hours, strike-machine is tested.
Summary of the invention
The technical problems to be solved in the utility model is to provide a kind of easy mimic-disconnecting switch; it can substitute primary cut-out and traditional more complicated mimic-disconnecting switch; use when the extensive strike-machine of protective relaying device and qualitative test, to reach the object improved test and reduce production cost.
For achieving the above object, the technical solution of the utility model is as follows:
A kind of easy mimic-disconnecting switch, comprising:
The relay DLJ of one high voltage breaker simulator divide-shut brake wire loop;
One trip(ping) circuit, described trip(ping) circuit comprises the trip button TZAN be arranged in series successively, tripping operation normal opened contact J2-1, relay DJL actuating coil and current-limiting resistance R13, R14;
One closing circuit, described closing circuit comprises the switch knob HZAN be arranged in series successively, combined floodgate normal opened contact J1-1, relay DJL involution coil and current-limiting resistance R15, R16;
The one tripping operation instruction loop of tripping for instruction, described tripping operation instruction loop comprises the relay TWJ connected successively, the tripping operation current-limiting resistance group be arranged in parallel by three groups of current-limiting resistances R10, R11, R12, and normal opened contact J1-2, wherein LD pilot lamp is arranged on any loop of described tripping operation current-limiting resistance group;
The one combined floodgate instruction loop of closing a floodgate for instruction, described combined floodgate instruction loop comprises relay HWJ, the combined floodgate current-limiting resistance group be arranged in parallel by three groups of current-limiting resistances R7, R8, R9, and normal opened contact J2-2, wherein HD pilot lamp is arranged on any loop of described combined floodgate current-limiting resistance group;
For instruction simulation circuit-breaker switching on-off position also arranges two group relay contact extension loop, described two group relay contact extension loop comprise one group of normal opened contact DLJ-1 and group of normally closed contact DLJ-2 of relay DLJ respectively; Wherein be positioned on normal opened contact DLJ-1 loop and be arranged in series relay J 1 successively, the first expansion current-limiting resistance group be arranged in parallel by three groups of current-limiting resistances R1, R2, R3; Wherein be positioned on normally closed contact DLJ-2 loop and be arranged in series relay J 2 successively, the second expansion current-limiting resistance group be arranged in parallel by three groups of current-limiting resistances R4, R5, R6;
Also comprise control power supply+the KM ,-KM for above-mentioned loop power supply.
In a preferred embodiment of the present utility model, described tripping position relay TWJ, closing operation position relay HWJ respectively draw one group of normal opened contact HWJ-1 and TWJ-1, are respectively used to instruction present day analog circuit breaker position;
Mimic-disconnecting switch when closing position, relay HWJ action, HWJ-1 junction closure; Mimic-disconnecting switch is when open position, and relay TWJ action, TWJ-1 junction closure, these two groups of contacts are drawn, for accessing tested equipment.
In a preferred embodiment of the present utility model, described pilot lamp LD is series in current-limiting resistance R10 loop.
In a preferred embodiment of the present utility model, described pilot lamp HD is series in current-limiting resistance R7 loop.
In a preferred embodiment of the present utility model, described relay DJL actuating coil has been arranged in parallel sustained diode 5, and described relay DJL involution coils from parallel connection of coils is provided with sustained diode 6.
In a preferred embodiment of the present utility model, described relay TWJ has been arranged in parallel sustained diode 4, and described relay HWJ has been arranged in parallel sustained diode 3.
In a preferred embodiment of the present utility model, described current-limiting resistance R13-R16 selects RJ-3W-10K Ω.
In a preferred embodiment of the present utility model, described current-limiting resistance R1-R12 selects RJ-3W-29K Ω.
By technique scheme, the beneficial effects of the utility model are:
The utility model can substitute primary cut-out, with traditional more complicated mimic-disconnecting switch, use when the extensive strike-machine of protective relaying device and qualitative test, node dz-1 and dz-3 of the separating brake contact access mimic-disconnecting switch of tested equipment, tested equipment has separating brake to export, and mimic-disconnecting switch will be converted to open position by closing position; Tested equipment with node dz-1 and dz-2 of lock contact access mimic-disconnecting switch, tested equipment has to close a floodgate and exports, and mimic-disconnecting switch will be converted to closing position by open position, improve test to reach and will reduce the object of production cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the circuit diagram of existing primary cut-out.
Fig. 2 a is circuit diagram of the present utility model.
Fig. 2 b is the structural representation of the normal opened contact that tripping position relay of the present utility model and closing operation position relay are drawn.
Embodiment
The technological means realized to make the utility model, creation characteristic, reaching object and effect is easy to understand, below in conjunction with concrete diagram, setting forth the utility model further.
With reference to Fig. 2 a, a kind of easy mimic-disconnecting switch, comprise: the relay DLJ of a high voltage breaker simulator divide-shut brake wire loop, DLJ selects Panasonic ST1-L2-DC24V relay, this relay is twin coil magnetic latching relay, one group of normal opened contact, one group of normally closed contact, state before power down is kept after power down, can the divide-shut brake coil of high voltage breaker simulator and operating mechanism;
One trip(ping) circuit, wherein trip(ping) circuit comprises the trip button TZAN be arranged in series successively, tripping operation normal opened contact J2-1, relay DJL actuating coil and current-limiting resistance R13, current-limiting resistance R14; Its repeat circuit DJL actuating coil has been arranged in parallel sustained diode 5; Diagram can find out that the node of this trip(ping) circuit is dz-3;
If relay DLJ original state DLJ-1 is closure state, then DJL-2 is just separated position, relay J2 action after powering on, J2-1 normal opened contact closes, trip(ping) circuit dz-3 to-KM conducting, dz-3 is trip(ping) circuit access label in electric system, and now trip(ping) circuit is pre-point state;
Meanwhile, J2-2 normal opened contact closes, and close a floodgate instruction loop+KM, relay HWJ, current-limiting resistance R7 ~ R9, HD lamp, and-KM connects, and HD lamp is bright, and instruction simulation isolating switch current state is for closing a floodgate; If now button is pressed TZAN or the protection act contact BCJ between access+KM and dz-3 and closed, 2LP is UNICOM in flakes, then relay DLJ action, and DLJ-1 changes state and becomes separately, completes separating brake process;
One closing circuit, described closing circuit comprises the switch knob HZAN be arranged in series successively, combined floodgate normal opened contact J1-1, relay DJL involution coil and current-limiting resistance R15, R16, and its repeat circuit DJL involution coils from parallel connection of coils is provided with sustained diode 6;
After completing tripping operation process, the DJL-2 state of relay DJL is then changed into as closure state, then relay J 1 action, normal opened contact J1-1 closes, and closing circuit 07 is to-KM conducting, and described 07 is dz-2, be closing circuit access label in electric system, mimic-disconnecting switch is for close state in advance; J1-2 normal opened contact closes, tripping operation instruction loop+KM, TWJ relay, current-limiting resistance R10 ~ R12, LD lamp,-KM connects, LD lamp is bright, and instruction current state is separating brake, if now switch knob HZAN presses or access the feed motion junction closure between+KM and dz-2, then relay DLJ changes state, completes making process;
DLJ relay is Panasonic ST1-L2-DC24V relay, and coil working voltage is direct current 24V, coil resistance 2400 Ω, and such trip(ping) circuit, closing circuit current-limiting resistance R13 ~ R16 select RJ-3W-10K Ω;
The one tripping operation instruction loop of tripping for instruction, described tripping operation instruction loop comprises relay TWJ, FTR-F1AA-24V DC relay coil resistance 1100 Ω selected by relay TWJ coil, current-limiting resistance R10, R11, R12 select RJ-3W-29K Ω, pilot lamp LD selects LED light emitting diode to be connected in R10 loop, and sustained diode 4;
The one combined floodgate instruction loop of closing a floodgate for instruction, described combined floodgate instruction loop comprises HWJ relay, HWJ relay coil selects FTR-F1AA-24V DC relay coil resistance 1100 Ω, current-limiting resistance R7, R8, R9 select RJ-3W-29K Ω, pilot lamp HD selects LED light emitting diode to be connected in R7 loop, and sustained diode 3;
For instruction simulation circuit-breaker switching on-off position also arranges two group relay contact extension loop, described two group relay contact extension loop comprise one group of normal opened contact DLJ-1 and group of normally closed contact DLJ-2 of relay DLJ respectively; Wherein be positioned on normal opened contact DLJ-1 loop and be arranged in series relay J 1 successively, the first expansion current-limiting resistance group be arranged in parallel by three groups of current-limiting resistances R1, R2, R3; Wherein be positioned on normally closed contact DLJ-2 loop and be arranged in series relay J 2 successively, the second expansion current-limiting resistance group be arranged in parallel by three groups of current-limiting resistances R4, R5, R6; And relay J 1 has wherein been arranged in parallel sustained diode 2, relay J 2 has been arranged in parallel sustained diode 1; Relay J 1, J2 select FTR-F1AA-24V DC relay, and current-limiting resistance R1 ~ R6 selects RJ-3W-29K Ω.
And the control power supply+the KM ,-KM that also comprise for above-mentioned loop power supply.
With reference to Fig. 2 b, tripping position relay TWJ, closing operation position relay HWJ respectively draw one group of normal opened contact HWJ-1 and TWJ-1, are respectively used to instruction present day analog circuit breaker position;
Mimic-disconnecting switch when closing position, relay HWJ action, HWJ-1 junction closure; Mimic-disconnecting switch is when open position, and relay TWJ action, TWJ-1 junction closure, these two groups of contacts are drawn, for accessing tested equipment.
Node dz-1 and dz-3 of the separating brake contact access mimic-disconnecting switch of tested equipment, tested equipment has separating brake to export, and mimic-disconnecting switch will be converted to open position by closing position; Tested equipment with node dz-1 and dz-2 of lock contact access mimic-disconnecting switch, tested equipment has to close a floodgate and exports, and mimic-disconnecting switch will be converted to closing position by open position, improve test to reach and will reduce the object of production cost.
More than show and describe ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present utility model; under the prerequisite not departing from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. an easy mimic-disconnecting switch, is characterized in that, comprising:
The relay DLJ of one high voltage breaker simulator divide-shut brake wire loop;
One trip(ping) circuit, described trip(ping) circuit comprises the trip button TZAN be arranged in series successively, tripping operation normal opened contact J2-1, relay DJL actuating coil and current-limiting resistance R13, R14;
One closing circuit, described closing circuit comprises the switch knob HZAN be arranged in series successively, combined floodgate normal opened contact J1-1, relay DJL involution coil and current-limiting resistance R15, R16;
The one tripping operation instruction loop of tripping for instruction, described tripping operation instruction loop comprises the relay TWJ connected successively, the tripping operation current-limiting resistance group be arranged in parallel by three groups of current-limiting resistances R10, R11, R12, and normal opened contact J1-2, wherein LD pilot lamp is arranged on any loop of described tripping operation current-limiting resistance group;
The one combined floodgate instruction loop of closing a floodgate for instruction, described combined floodgate instruction loop comprises relay HWJ, the combined floodgate current-limiting resistance group be arranged in parallel by three groups of current-limiting resistances R7, R8, R9, and normal opened contact J2-2, wherein HD pilot lamp is arranged on any loop of described combined floodgate current-limiting resistance group;
For instruction simulation circuit-breaker switching on-off position also arranges two group relay contact extension loop, described two group relay contact extension loop comprise one group of normal opened contact DLJ-1 and group of normally closed contact DLJ-2 of relay DLJ respectively; Wherein be positioned on normal opened contact DLJ-1 loop and be arranged in series relay J 1 successively, the first expansion current-limiting resistance group be arranged in parallel by three groups of current-limiting resistances R1, R2, R3; Wherein be positioned on normally closed contact DLJ-2 loop and be arranged in series relay J 2 successively, the second expansion current-limiting resistance group be arranged in parallel by three groups of current-limiting resistances R4, R5, R6;
Also comprise control power supply+the KM ,-KM for above-mentioned loop power supply.
2. the easy mimic-disconnecting switch of one according to claim 1, is characterized in that, described tripping position relay TWJ, closing operation position relay HWJ respectively draw one group of normal opened contact HWJ-1 and TWJ-1, is respectively used to instruction present day analog circuit breaker position;
Mimic-disconnecting switch when closing position, relay HWJ action, HWJ-1 junction closure; Mimic-disconnecting switch is when open position, and relay TWJ action, TWJ-1 junction closure, these two groups of contacts are drawn, for accessing tested equipment.
3. the easy mimic-disconnecting switch of one according to claim 1, is characterized in that, described pilot lamp LD is series in current-limiting resistance R10 loop.
4. the easy mimic-disconnecting switch of one according to claim 1, is characterized in that, described pilot lamp HD is series in current-limiting resistance R7 loop.
5. the easy mimic-disconnecting switch of one according to claim 1, is characterized in that, described relay DJL actuating coil has been arranged in parallel sustained diode 5, and described relay DJL involution coils from parallel connection of coils is provided with sustained diode 6.
6. the easy mimic-disconnecting switch of one according to claim 1, is characterized in that, described relay TWJ has been arranged in parallel sustained diode 4, and described relay HWJ has been arranged in parallel sustained diode 3.
7. the easy mimic-disconnecting switch of one according to claim 1, is characterized in that, described current-limiting resistance R13-R16 selects RJ-3W-10K Ω.
8. the easy mimic-disconnecting switch of one according to claim 1, is characterized in that, described current-limiting resistance R1-R12 selects RJ-3W-29K Ω.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520803113.5U CN204989357U (en) | 2015-10-15 | 2015-10-15 | Simple analog circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520803113.5U CN204989357U (en) | 2015-10-15 | 2015-10-15 | Simple analog circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204989357U true CN204989357U (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520803113.5U Expired - Fee Related CN204989357U (en) | 2015-10-15 | 2015-10-15 | Simple analog circuit breaker |
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| Country | Link |
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| CN (1) | CN204989357U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861044A (en) * | 2017-10-12 | 2018-03-30 | 上海正泰自动化软件系统有限公司 | A kind of test device of ZN63A vacuum circuit-breaker handcarts control circuit board |
| CN108535644A (en) * | 2018-06-26 | 2018-09-14 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Portable simulation breaker and test method |
| CN111638446A (en) * | 2020-04-29 | 2020-09-08 | 国网浙江省电力有限公司湖州供电公司 | Passive simulation circuit breaker |
| CN111965461A (en) * | 2020-08-24 | 2020-11-20 | 华能山东发电有限公司烟台发电厂 | Multifunctional analog circuit breaker |
-
2015
- 2015-10-15 CN CN201520803113.5U patent/CN204989357U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107861044A (en) * | 2017-10-12 | 2018-03-30 | 上海正泰自动化软件系统有限公司 | A kind of test device of ZN63A vacuum circuit-breaker handcarts control circuit board |
| CN108535644A (en) * | 2018-06-26 | 2018-09-14 | 国网黑龙江省电力有限公司齐齐哈尔供电公司 | Portable simulation breaker and test method |
| CN111638446A (en) * | 2020-04-29 | 2020-09-08 | 国网浙江省电力有限公司湖州供电公司 | Passive simulation circuit breaker |
| CN111965461A (en) * | 2020-08-24 | 2020-11-20 | 华能山东发电有限公司烟台发电厂 | Multifunctional analog circuit breaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20211015 |