CN202332019U - Simulation circuit breaker - Google Patents
Simulation circuit breaker Download PDFInfo
- Publication number
- CN202332019U CN202332019U CN2011203458511U CN201120345851U CN202332019U CN 202332019 U CN202332019 U CN 202332019U CN 2011203458511 U CN2011203458511 U CN 2011203458511U CN 201120345851 U CN201120345851 U CN 201120345851U CN 202332019 U CN202332019 U CN 202332019U
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- mimic
- circuit
- disconnecting switch
- switch according
- position relay
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Abstract
The utility model discloses a simulation circuit breaker. The simulation circuit breaker comprises a core circuit, peripheral circuits and a panel, wherein the core circuit is used for simulating the work of a real circuit breaker, and the peripheral circuits and the panel are used for ensuring the reliability of the work. The core circuit of the simulation circuit breaker is formed through a manner than a pair of normally-open contacts and a pair of normally-closed contacts of a two-position relay are respectively and serially connected with contactors and is used for simulating the electrical characteristics of the work of the circuit breaker; and the peripheral circuits comprise a control circuit, a protection circuit and a signal circuit, wherein the control circuit is used for realizing manual switch-off/on through being connected with control buttons based on the core circuit, the protection circuit is used for preventing the circumstances, such as overcurrent and overvoltage, through connecting a fuse wire with an input end of the two-position relay, and the signal circuit is used for simulating the indication at a switch-off/on state through serially connecting red and green indicating lights with auxiliary contacts of the two-position relay.
Description
Technical field
The utility model relates to breaker technical field, relates in particular to a kind of mimic-disconnecting switch.
Background technology
Along with society and expanding economy, the dynamics of power grid construction is strengthening year by year.The quantity of annual new transformer station of going into operation and newly-increased each electric pressure isolating switch also increases year by year.The mechanical property of isolating switch is concerning the reliability of electrical network.After operation, prerun and overhaul, to carry out the test of switch mechanical property to isolating switch.
Isolating switch be a kind of can close with, carrying and normal loop condition of beginning under electric current, and can close close, the switchgear of the electric current in official hour under carrying and the unusual loop condition of beginning (comprising short circuit condition).
Because isolating switch quantity newly-increased in the annual power grid construction is bigger, annual breaker mechanic property test mission is quite heavy.Want often the testing crew that newly advances to be giveed training.If use true isolating switch to test training apparatus as breaker mechanic property, then investment is big, and training receives the restriction in place, and test also influences short-circuiting device serviceable life unavoidably, so use true isolating switch bigger as the cost of training apparatus.
In addition, also be useful on the mimic-disconnecting switch of the whole group of relay protection transmission test in the market.The mimic-disconnecting switch overwhelming majority is a microcomputer type, and the price of the mimic-disconnecting switch of microcomputer type is higher not to be suitable for electrical test.
The utility model content
The technical matters that the utility model solves is to provide a kind of mimic-disconnecting switch, and the cost of manufacture of this mimic-disconnecting switch is lower, and can be applicable to electrical test.
In view of this; The technical scheme of the utility model technical solution problem is: a kind of mimic-disconnecting switch is provided; Comprise: simulate true isolating switch core work circuit, guarantee the peripheral circuit and the panel of functional reliability, said core circuit is that the auxiliary contact of two-position relay and two-position relay remove the trigger that triggers.
Preferably, every phase all seal in two contacts of contactor with realize simulation alternate same period with mutually in the same period.
Preferably, insert three ports/six port translation switches in the described core circuit.
Preferably, described peripheral circuit comprises: control loop, protection loop and signal circuit.
Preferably, described control loop is an access control apparatus, realizes manual divide-shut brake.
Preferably, described control device is a control knob.
Preferably, the superpotential injury is avoided for protective device is set at input end in described protection loop.
Preferably, the described protective device that is provided with is for to be provided with fuse at input end, and two-position relay with contact coil on the reverse parallel connection fly-wheel diode.
Preferably, described signal circuit is a sending and receiving telltale on the two-position relay auxiliary contact, is used for the divide-shut brake indication of mimic-disconnecting switch.
Preferably, described signaling device is a pilot lamp.
The utility model constitutes the core circuit of mimic-disconnecting switch jointly with two-position relay and contactor; These two kinds of elements all are most common components during we work, and their prices are lower, and buying easily; So with respect to prior art, the cost of the utility model is lower.
Description of drawings
Fig. 1 is the circuit theory diagrams of a kind of embodiment of the utility model;
Fig. 2 is the circuit diagram in protection loop in a kind of embodiment of the utility model.
Embodiment
The mimic-disconnecting switch that the utility model provides comprises: the peripheral circuit and the panel of simulating true isolating switch core work circuit, assurance functional reliability.Wherein the core circuit of mimic-disconnecting switch is to constitute with a secondary normal opened contact of two-position relay and the secondary normally closed contact contactor of connecting respectively, is used for the electrical specification of mimic-disconnecting switch work.Because two-position relay and these two kinds of elements of contactor all are most common components, they have, and price is low, the characteristics of easy buying, and the core parts of making the utility model of them have effectively reduced cost.
Specify a kind of embodiment of the utility model below in conjunction with accompanying drawing.
Under the situation of not considering barring condition, the course of action of isolating switch can simply be described as the closing coil energising, breaker closing, switching winding energising, breaker open operation.This operating principle with two-position relay is the same.The energising of two-position relay set coil, normally opened contact is closed, the resetting coil energising, normally opened contact breaks off.It is thus clear that the set coil of two-position relay just is equivalent to the closing coil of isolating switch, resetting coil is equivalent to switching winding.
The related a kind of mimic-disconnecting switch of the utility model is with the core parts of two-position relay as mimic-disconnecting switch.But the contact rating of two-position relay is limited; Can't satisfy the requirement of electrical test; In order to address this problem, we remove to trigger contactor with the auxiliary contact of two-position relay, are made up of the core circuit of mimic-disconnecting switch jointly contactor and two-position relay.
As shown in Figure 1, a secondary normal opened contact JKX1 of two-position relay and a secondary normally closed contact JKX2 be series contactor KM1, KM2 respectively.Simultaneously, for simulate the alternate same period with mutually in the same period (double break mouth isolating switch), need all to seal in two contacts of contactor in every phase.When switching current flows through No. 1 relay; Normal opened contact JKX1 is closed; Electric current is through the normally closed contact JKX2 of combined floodgate TA through No. 2 relays, and the normal opened contact JKX1 that flows to No. 1 relay is to contactor KM1, so because KM1 conducting normal opened contact KM1 is closed; Make contactor KM1 self-sustaining, the effect that is equivalent to close a floodgate.In like manner, when a minute brake current flow through No. 2 relay normally closed contact JKX2, normally closed contact JKX2 broke off, and contactor KM1 no current so break off, reaches the separating brake effect.
In order to make the mimic-disconnecting switch reliable operation that adopts contactor and two-position relay to build, we also need be provided with some necessary control loops, protection loop and signal circuit.Control loop is very simple, is exactly the Access Control button, realizes manual divide-shut brake, and guarantee to feed after the measuring current contactor and two-position relay coil and can in time switch on and cut off the power supply by certain logic.The protection loop then is that at the input end of relay fuse to be set in order to prevent situation such as overcurrent, overvoltage from occurring as shown in Figure 2; 1RD, 2RD, 3RD are set fuses; And on two-position relay and contactor coil the reverse parallel connection fly-wheel diode, avoid injuring because of switching fast the superpotential that produces.Signal circuit then is the red green pilot lamp of serial connection on the two-position relay auxiliary contact, is used for the indication of the opening and closing state of mimic-disconnecting switch.
In the production of reality, some isolating switch has a fracture, and some isolating switch is two fractures that have of Y type, because use generally is A, B, C three-phase breaker, so there are three/six ports.Three ports/six port translation switches in core circuit, have been inserted in this embodiment, to realize the conversion of three/six ports.Because the conversion of three/six ports is arranged, and the indicating status in the signal circuit specifically comprises: the indication of three port separating brakes, three ports close a floodgate and indicate, six port separating brakes are indicated, six ports close a floodgate indication.
Be the design panel at last, all nodes drawn be connected to panel jack, and the producing device shell, when playing the protection inner member, make device elegant in appearance, such mimic-disconnecting switch is just complete.
Above embodiment is a kind of preferred implementation of the utility model, and wherein the control loop of peripheral circuit, protection loop, signal circuit can also use other mode to realize.What control loop will be realized is manual divide-shut brake function, if insert hand switch just can, handle the Access Control button and can also select to insert other forms of switch outward.What signal circuit will be realized is the function of indication opening and closing state, except the red green pilot lamp of mentioning in the foregoing description can also be used other signal prompt devices.As long as the technical scheme embodiment consistent with the utility model of technical solution problem all belongs to the protection domain of the utility model.
Used concrete example among this paper the principle and the embodiment of the utility model are set forth, the explanation of above embodiment just is used to help to understand the method and the core concept thereof of the utility model.Should be understood that; For those skilled in the art; Under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of utility model right requirement.
Claims (10)
1. mimic-disconnecting switch; It is characterized in that; Comprise: simulate true isolating switch core work circuit, guarantee the peripheral circuit and the panel of functional reliability, said core circuit is that the auxiliary contact of two-position relay and two-position relay remove the trigger that triggers.
2. mimic-disconnecting switch according to claim 1 is characterized in that, every phase all seal in two contacts of contactor with realize simulation alternate same period with mutually in the same period.
3. mimic-disconnecting switch according to claim 1 is characterized in that, inserts three ports/six port translation switches in the described core circuit.
4. mimic-disconnecting switch according to claim 1 is characterized in that, described peripheral circuit comprises: control loop, protection loop and signal circuit.
5. mimic-disconnecting switch according to claim 4 is characterized in that described control loop is an access control apparatus, realizes manual divide-shut brake.
6. mimic-disconnecting switch according to claim 5 is characterized in that, described control device is a control knob.
7. mimic-disconnecting switch according to claim 4 is characterized in that, the superpotential injury is avoided for protective device is set at input end in described protection loop.
8. mimic-disconnecting switch according to claim 7 is characterized in that, the described protective device that is provided with is for to be provided with fuse at input end, and two-position relay with contact coil on the reverse parallel connection fly-wheel diode.
9. mimic-disconnecting switch according to claim 4 is characterized in that, described signal circuit is a sending and receiving telltale on the two-position relay auxiliary contact, is used for the divide-shut brake indication of mimic-disconnecting switch.
10. mimic-disconnecting switch according to claim 9 is characterized in that, described signaling device is a pilot lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203458511U CN202332019U (en) | 2011-09-15 | 2011-09-15 | Simulation circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203458511U CN202332019U (en) | 2011-09-15 | 2011-09-15 | Simulation circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202332019U true CN202332019U (en) | 2012-07-11 |
Family
ID=46443991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203458511U Withdrawn - After Issue CN202332019U (en) | 2011-09-15 | 2011-09-15 | Simulation circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202332019U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102436773A (en) * | 2011-09-15 | 2012-05-02 | 宁波市鄞州供电局 | Analog circuit breaker |
| CN103647306A (en) * | 2013-12-10 | 2014-03-19 | 龙滩水电开发有限公司 | Automatic quasi-synchronization closing loop for preventing generator nonsynchronous closing |
| CN104064070A (en) * | 2014-07-09 | 2014-09-24 | 国家电网公司 | Intelligent analog breaker |
| CN107340469A (en) * | 2017-06-08 | 2017-11-10 | 广东电网有限责任公司肇庆供电局 | A kind of GIS combination electric appliance dynamic characteristic test instrument and application method |
| CN110429715A (en) * | 2019-09-05 | 2019-11-08 | 广东电网有限责任公司 | Device is sent on signal intelligent |
| 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 |
-
2011
- 2011-09-15 CN CN2011203458511U patent/CN202332019U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102436773A (en) * | 2011-09-15 | 2012-05-02 | 宁波市鄞州供电局 | Analog circuit breaker |
| CN103647306A (en) * | 2013-12-10 | 2014-03-19 | 龙滩水电开发有限公司 | Automatic quasi-synchronization closing loop for preventing generator nonsynchronous closing |
| CN103647306B (en) * | 2013-12-10 | 2015-08-12 | 龙滩水电开发有限公司 | A kind of automatic presynchronization closing circuit preventing generator asynchronous from closing a floodgate |
| CN104064070A (en) * | 2014-07-09 | 2014-09-24 | 国家电网公司 | Intelligent analog breaker |
| CN104064070B (en) * | 2014-07-09 | 2017-08-04 | 国家电网公司 | Intelligent mimic-disconnecting switch |
| CN107340469A (en) * | 2017-06-08 | 2017-11-10 | 广东电网有限责任公司肇庆供电局 | A kind of GIS combination electric appliance dynamic characteristic test instrument and application method |
| CN107340469B (en) * | 2017-06-08 | 2023-04-28 | 广东电网有限责任公司肇庆供电局 | GIS combined electrical activity characteristic test instrument and use method |
| CN110429715A (en) * | 2019-09-05 | 2019-11-08 | 广东电网有限责任公司 | Device is sent on signal intelligent |
| 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 | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20140312 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20120711 Effective date of abandoning: 20140312 |