CN202351278U - Analog circuit breaker consisting of magnetic latching relay - Google Patents
Analog circuit breaker consisting of magnetic latching relay Download PDFInfo
- Publication number
- CN202351278U CN202351278U CN2011205091102U CN201120509110U CN202351278U CN 202351278 U CN202351278 U CN 202351278U CN 2011205091102 U CN2011205091102 U CN 2011205091102U CN 201120509110 U CN201120509110 U CN 201120509110U CN 202351278 U CN202351278 U CN 202351278U
- Authority
- CN
- China
- Prior art keywords
- contact
- coil
- mimic
- latching relay
- disconnecting switch
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 239000000470 constituent Substances 0.000 abstract 1
- 238000004088 simulation Methods 0.000 description 15
- 239000003990 capacitor Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000005284 excitation Effects 0.000 description 3
- 238000010891 electric arc Methods 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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Abstract
The utility model provides an analog circuit breaker consisting of a magnetic latching relay. The analog circuit breaker is characterized in that a first connection point J1 is connected with a third resistor RT in series, and then is connected with a first coil JTQ in parallel to form a tripping loop of the analog circuit breaker, and a second connection point J2 is connected with a fourth resistor RH in series, and then is connected with a second coil JHQ in parallel to form a switching-in loop of the analog circuit breaker. The analog circuit breaker adopts a passive device, has the characteristics that the wiring is simple, constituent components are less, the work is reliable and the cost is low, and is convenient to popularize and apply.
Description
Technical field
The utility model is a kind of instrument that is applied in reaying protection test and the comprehensive automation test, is used for substituting the primary cut-out coil and the contact loop of actual motion.
Background technology
The mimic-disconnecting switch of widespread use at present generally adopts single-chip microcomputer or integrated circuit to constitute with the portions of electronics element, but present mimic-disconnecting switch exists that wiring is complicated, cost is high, volume is big, the shortcoming of need external AC power supply, functional reliability difference.
Summary of the invention
Goal of the invention: the mimic-disconnecting switch that the utility model provides a kind of magnetic latching relay to constitute
,Its objective is that the existing wiring of solution mimic-disconnecting switch in the past is complicated, cost is high, volume is big, the problem of need external AC power supply and functional reliability difference.
Technical scheme: the utility model is realized through following technical scheme:
The mimic-disconnecting switch that a kind of magnetic latching relay constitutes is characterized in that: the first contact J
1With the 3rd resistance R
TThe series connection back and the first coil J
TQParallel connection forms the mimic-disconnecting switch trip(ping) circuit; The second contact J
2With the 4th resistance R
HThe series connection back and the second coil J
HQParallel connection forms the mimic-disconnecting switch closing circuit.
The first coil J
TQOn be in series with the 3rd stabilivolt T
3, the second coil J
HQOn be in series with the 4th stabilivolt T
4
The first contact J
1On be parallel with first capacitor C
1, the second contact J
2On be parallel with second capacitor C
2
The first contact J
1Connect trip button ANT, the second contact J
2Connect switch knob ANH.
Trip position indicating device HWD is parallelly connected with trip button ANT, also is in series with the first stabilivolt T on the trip position indicating device HWD
1And first resistance R
1Closing position indicating device TWD is parallelly connected with switch knob ANH, and closing position indicating device TWD also is in series with the second stabilivolt T
2And second resistance R
2
Trip position indicating device HWD and closing position indicating device TWD are luminotron.
Advantage and effect:
The mimic-disconnecting switch that the utility model provides a kind of magnetic latching relay to constitute is characterized in that: the first contact J
1With the 3rd resistance R
TThe series connection back and the first coil J
TQParallel connection forms the mimic-disconnecting switch trip(ping) circuit; The second contact J
2With the 4th resistance R
HThe series connection back and the second coil J
HQParallel connection forms the mimic-disconnecting switch closing circuit.
This utility model adopts passive device, and it is simple to have a wiring, and composed component is few, reliable operation, and the characteristics that cost is low, easy to utilize.
Description of drawings:
Fig. 1 is the wiring diagram of the utility model one phase operation circuit.
Embodiment:Below in conjunction with accompanying drawing the utility model is done further description:
Mimic-disconnecting switch as shown in Figure 1, that the utility model provides a kind of magnetic latching relay to constitute, the first contact J
1With the 3rd resistance R
TThe series connection back and the first coil J
TQParallel connection forms the mimic-disconnecting switch trip(ping) circuit; The second contact J
2With the 4th resistance R
HThe series connection back and the second coil J
HQParallel connection forms the mimic-disconnecting switch closing circuit.
The first coil J
TQOn be in series with the 3rd stabilivolt T
3, the second coil J
HQOn be in series with the 4th stabilivolt T
4
The first contact J
1On be parallel with first capacitor C
1, the second contact J
2On be parallel with second capacitor C
2
The first contact J
1Connect trip button ANT, the second contact J
2Connect switch knob ANH.
Trip position indicating device HWD is parallelly connected with trip button ANT, also is in series with the first stabilivolt T on the trip position indicating device HWD
1And first resistance R
1Closing position indicating device TWD is parallelly connected with switch knob ANH, and closing position indicating device TWD also is in series with the second stabilivolt T
2And second resistance R
2
Trip position indicating device HWD and closing position indicating device TWD are luminotron.
The relay coil of the utility model is taked the parallelly connected mode of connection with contact, and a branch road is accomplished tripping operation or closed a floodgate and starts, and another branch road is accomplished simulation tripping operation or closing circuit function.Stabilivolt and the coil mode that is in series is adopted in magnetic latching relay action.The indication of mimic-disconnecting switch position adopts stabilivolt and luminotron, the resistance mode of being in series to work.
In the utility model, magnetic latching relay is at two coils respectively after the excitation, and coil current is when disappearing, and its contact has two kinds of different fixed states respectively.Utilize this kind characteristics, can two groups of coils and 2 winding points be carried out corresponding parallelly connected combination respectively, cooperate some electronic components can accomplish the mimic-disconnecting switch function again.Isolating switch contact and coil in the real work are tandem workings.Be difficult to realize the function of mimic-disconnecting switch if simply connect with contact with the magnetic latching relay coil.The present invention is with coil and contact and tie, and is as shown in Figure 1: J
1With J
TQJ
2With J
HQ, realize its function: the first contact J
1With the 3rd resistance R
TSeries connection, simulation realizes the circuit breaker trip loop; The second contact J is put in another winding
2With the 4th resistance R
HSeries connection, simulation realizes the breaker closing loop.The second contact J
2At the second coil J
HQSimulation closing coil function is opened the first contact J after the energising action
1Closed; The first contact J
1At the first coil J
TQSimulation breaking coil function is opened the second contact J after the energising action
2Closed.
As shown in Figure 1, the circuit working principle is following: as the Φ shown in the figure
1After end tripping operation pulse is come, the first contact J
1With the 3rd resistance R
TFlow through the simulation tripping current, the relevant loop with protection of this electric current cooperates accomplishes its necessary work, first coil J simultaneously
TQExcitation, the first contact J
1Break off, the simulation tripping current disappears first capacitor C
1Extinguish the electric arc that tripping current produces, accomplish simulation tripping operation work.The first coil J
TQAfter the excitation, the second contact J
2Closure, the simulation closing circuit is ready to next duty (combined floodgate).Work as Φ
2After the end closing pulse is come, the second contact J
2With the 4th resistance R
HFlow through the simulation switching current, the relevant loop with protection of this electric current cooperates accomplishes its necessary work, second coil J simultaneously
HQExcitation, the second contact J
2Break off, the simulation switching current disappears second capacitor C
2Extinguish the electric arc that switching current produces, accomplish the work of simulation combined floodgate.The second coil J
HQAfter the excitation, the first contact J
1Closure, the simulation trip(ping) circuit is ready to next duty (tripping operation).
Among Fig. 1, the 3rd stabilivolt T
3, the 4th stabilivolt T
4Play the step-down effect, the first coil J
TQ, the second coil J
HQWV is lower, and adopting the stabilivolt step-down here and not adopting the resistance step-down is not influence Φ because of the stabilivolt step-down
1, Φ
2The duty of end previous circuit.
Among Fig. 1, label HWD, TWD react the indication of mimic-disconnecting switch at trip position, closing position respectively, and label ANT, ANH are respectively trip button, the switch knobs of operation simulation isolating switch.The 3rd resistance R
T, the 4th resistance R
HIt is respectively the artifical resistance of the actual isolating switch tripping coil resistance of simulation.
First resistance R
1, the first stabilivolt T
1Play effect, second resistance R to the HWD step-down
2, the second stabilivolt T
2Play effect, adopt T to the TWD step-down
1, T
2The stabilivolt step-down can reliably guarantee the first contact J
1, the second contact J
2When opening, corresponding HWD, TWD do not send faint light.
This utility model is simple for structure rationally, has improved work efficiency greatly.
Claims (6)
1. the mimic-disconnecting switch that magnetic latching relay constitutes is characterized in that: the first contact (J
1) and the 3rd resistance (R
T) the series connection back and the first coil (J
TQ) trip(ping) circuit of parallel connection formation mimic-disconnecting switch; Second contact (the J
2) and the 4th resistance (R
H) the series connection back and the second coil (J
HQ) parallel connection formation mimic-disconnecting switch closing circuit.
2. the mimic-disconnecting switch that magnetic latching relay according to claim 1 constitutes is characterized in that: the first coil (J
TQ) on be in series with the 3rd stabilivolt (T
3), the second coil (J
HQ) on be in series with the 4th stabilivolt (T
4).
3. the mimic-disconnecting switch that magnetic latching relay according to claim 1 and 2 constitutes is characterized in that: the first contact (J
1) on be parallel with the first electric capacity (C
1), the second contact (J
2) on be parallel with the second electric capacity (C
2).
4. the mimic-disconnecting switch that magnetic latching relay according to claim 3 constitutes is characterized in that: the first contact (J
1) connection trip button (ANT), the second contact (J
2) connection switch knob (ANH).
5. the mimic-disconnecting switch that magnetic latching relay according to claim 4 constitutes, it is characterized in that: trip position indicating device (HWD) is parallelly connected with trip button (ANT), also is in series with the first stabilivolt (T on the trip position indicating device (HWD)
1) and the first resistance (R
1); Closing position indicating device (TWD) is parallelly connected with switch knob (ANH), and closing position indicating device (TWD) also is in series with the second stabilivolt (T
2) and the second resistance (R
2).
6. the mimic-disconnecting switch that magnetic latching relay according to claim 5 constitutes is characterized in that: trip position indicating device (HWD) is luminotron with closing position indicating device (TWD).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205091102U CN202351278U (en) | 2011-12-09 | 2011-12-09 | Analog circuit breaker consisting of magnetic latching relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205091102U CN202351278U (en) | 2011-12-09 | 2011-12-09 | Analog circuit breaker consisting of magnetic latching relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202351278U true CN202351278U (en) | 2012-07-25 |
Family
ID=46540274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205091102U Expired - Lifetime CN202351278U (en) | 2011-12-09 | 2011-12-09 | Analog circuit breaker consisting of magnetic latching relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202351278U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454462A (en) * | 2013-09-02 | 2013-12-18 | 国家电网公司 | Multifunctional active mimic circuit breaker |
| CN105301397A (en) * | 2015-11-03 | 2016-02-03 | 中国南方电网有限责任公司超高压输电公司南宁局 | Simulation breaker with fault simulation function and simulation 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 |
| CN112526180A (en) * | 2020-08-28 | 2021-03-19 | 广西电网有限责任公司桂林临桂供电局 | Subminiature circuit breaker simulator based on double-coil magnetic latching signal relay |
-
2011
- 2011-12-09 CN CN2011205091102U patent/CN202351278U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103454462A (en) * | 2013-09-02 | 2013-12-18 | 国家电网公司 | Multifunctional active mimic circuit breaker |
| CN103454462B (en) * | 2013-09-02 | 2015-12-02 | 国家电网公司 | Multifunctional active mimic circuit breaker |
| CN105301397A (en) * | 2015-11-03 | 2016-02-03 | 中国南方电网有限责任公司超高压输电公司南宁局 | Simulation breaker with fault simulation function and simulation method |
| CN105301397B (en) * | 2015-11-03 | 2018-05-11 | 中国南方电网有限责任公司超高压输电公司南宁局 | A kind of mimic-disconnecting switch and its analogy method of tape jam analog functuion |
| 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 |
| CN112526180A (en) * | 2020-08-28 | 2021-03-19 | 广西电网有限责任公司桂林临桂供电局 | Subminiature circuit breaker simulator based on double-coil magnetic latching signal relay |
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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 GRID CORPORATION OF CHINA Effective date: 20121225 Owner name: MAINTENANCE BRANCH OF LIAONING ELECTRIC POWER CO., Free format text: FORMER OWNER: SHENYANG EHV BRANCH OF LIAONING POWER CO., LTD. Effective date: 20121225 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20121225 Address after: 110003 Liaoning Province glorious Street Heping District of Shenyang City No. 21 Patentee after: Maintenance Branch, Liaoning Power Co.,Ltd. Patentee after: State Grid Corporation of China Address before: 110003 Liaoning Province glorious Street Heping District of Shenyang City No. 21 Patentee before: Shenyang EHV Branch, Liaoning Power Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20120725 |
|
| CX01 | Expiry of patent term |