CN214503783U - Miniature circuit breaker analogue means - Google Patents
Miniature circuit breaker analogue means Download PDFInfo
- Publication number
- CN214503783U CN214503783U CN202120472992.3U CN202120472992U CN214503783U CN 214503783 U CN214503783 U CN 214503783U CN 202120472992 U CN202120472992 U CN 202120472992U CN 214503783 U CN214503783 U CN 214503783U
- Authority
- CN
- China
- Prior art keywords
- relay
- closing
- pin
- position signal
- circuit breaker
- 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.)
- Active
Links
- 238000004088 simulation Methods 0.000 claims abstract description 29
- 238000012360 testing method Methods 0.000 claims abstract description 18
- 239000013642 negative control Substances 0.000 claims description 6
- 239000013641 positive control Substances 0.000 claims description 6
- 230000001360 synchronised effect Effects 0.000 claims description 6
- 230000005611 electricity Effects 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000009931 harmful effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012827 research and development Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- Breakers (AREA)
Abstract
The utility model provides a miniature circuit breaker analogue means, it includes a connector, the connector connects the traditional chinese clothing to be equipped with one and can produce test analog signal's analog circuit module, analog circuit module includes combined floodgate relay, separating brake relay, the position signal relay that closes, the position signal indicator and the separating signal indicator that closes, the combined floodgate input pin H1 of connector is connected with combined floodgate relay's normally closed contact, combined floodgate relay's normally open contact and the coil end that closes position signal relay are connected, the separating brake input pin F1 of connector is connected with separating brake relay's coil end, separating brake relay's normally closed contact and the coil end that closes position signal relay are connected, combined floodgate relay's normally closed contact and separating position signal indicator are connected, combined floodgate relay's normally closed contact and closing position signal indicator are connected. The utility model provides a circuit breaker analogue means that small-size, cost are lower more makes its smallness, lightweight, popular when satisfying the simulation circuit breaker function.
Description
Technical Field
The utility model relates to a circuit breaker analogue means technical field especially relates to a miniature circuit breaker analogue means.
Background
The circuit breaker simulation device is mainly used for the whole set of tests of the relay protection device and replacing a real high-voltage circuit breaker in the items such as the test of the standby power supply automatic switching device and the like. The high-voltage circuit breaker is simulated to jump and switch on when the whole set of tests are carried out, so that adverse effects caused by repeated opening and closing of the high-voltage circuit breaker due to repeated whole set tests are avoided, the relay protection test carried out by using the miniature circuit breaker simulation device is not influenced by external factors, the test time of the relay protection test is shortened, and the test working efficiency is improved.
The relay protection is widely applied to industries such as electric power, traffic, communication and the like, when a line breaks down, a relay protection device directly sends a tripping command to a controlled breaker, the high-voltage breaker is high in cost and large in size, and in order to better perform relay protection device test work, a set of miniature simulation breaker is designed to replace a real high-voltage breaker, receive a tripping and closing command sent by the relay protection device and simulate the high-voltage breaker to perform tripping and closing test.
However, the existing circuit breaker simulation device is complex in design and inconvenient to carry.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a make its smallclothes, lightweight, popular miniature circuit breaker analogue means when satisfying the analog circuit breaker function.
In order to achieve the above-mentioned main objective, the present invention provides a simulation device for a miniature circuit breaker, which is used for connecting a relay protection device, and comprises a connector, wherein a simulation circuit module capable of generating a test simulation signal is installed in a connector joint, the simulation circuit module comprises a closing relay K2, a separating relay K3, a closing signal relay K1, a closing signal indicator and a separating signal indicator, a closing input pin H1 of the connector is connected with a normally closed contact of the closing relay K2, a normally open contact of the closing relay K2 is connected with a coil end of the closing signal relay K1, a separating input pin F1 of the connector is connected with a coil end of the separating relay K3, a normally closed contact of the separating relay K3 is connected with a coil end of the closing signal relay K1, a normally closed contact of the closing relay K2 is connected with the separating signal indicator, and a normally closed contact of the closing relay K2 is connected with the closing signal indicator lamp.
In a further scheme, when the miniature circuit breaker simulation device receives a closing input signal, the coil end of the closing relay K2 is electrified, so that the normally open contact of the closing relay K2 is closed, the closing signal indicator lamp is lighted, the coil end of the closing signal relay K1 is kept in an electrified closing state, and a closing signal is output through the normally open contact.
In a further scheme, when the miniature circuit breaker simulation device receives an opening input signal, the coil end of the opening relay K3 is electrified, so that the normally closed contact of the opening relay K3 is disconnected, the coil end of the closing relay K2 is electrified, the normally open contact of the closing relay K2 is disconnected, the opening signal indicator lamp is turned on, and the coil end of the closing signal relay K1 is electrified.
In a further aspect, the connector has a first interface and a second interface, the first interface has a set signal pin K1, a set signal pin K2, a positive control bus + KM, a negative control bus-KM, a current output pin IA2, a voltage output pin U2, an LED power input positive pin, and an LED power input negative pin; the second interface is provided with two standby pins, a closing power supply synchronous output pin, a closing lamp pin LED1, a separating lamp pin LED2, a voltage input pin U1, a current input pin IA1, a closing input pin H1, a separating input pin F1 and a public terminal-KM.
In a further scheme, the on-position signal pin K1 is connected to a normally open contact of the on-position signal relay K1, the on-position signal pin K2 is connected to a normally closed contact of the closing relay K2, the positive control bus + KM is connected to coil ends of the closing relay K2 and the opening relay K3, the negative control bus-KM is connected to a normally open contact of the closing relay K2, the current output pin IA2 and the voltage output pin U2 are connected to a normally open contact of the closing relay K2, and the LED power input positive pin and the LED power input negative pin are connected to a control power supply.
In a further scheme, the synchronous output pin of the switching-on power supply is connected to a normally open contact of the switching-on relay K2, the pin LED1 of the switching-on lamp is connected to the signal indicator lamp, the pin LED2 of the switching-off lamp is connected to the signal indicator lamp, the pin U1 of the voltage input and the pin IA1 of the current input are connected to a normally closed contact of the switching-on relay K2, the pin H1 of the switching-on input is connected to a normally closed contact of the switching-on relay K2, the pin F1 of the switching-off input is connected to a coil end of the switching-off relay K3, and the common terminal-KM is connected to a coil end of the switching-on signal relay K1 and a coil end of the switching-off relay K3.
Therefore, the utility model discloses a miniature circuit breaker analogue means can directly utilize this analogue means simulation to be used for the combined floodgate condition and the separating brake condition of simulation circuit breaker, and the state of combined floodgate and separating brake is shown by combined floodgate pilot lamp and separating brake pilot lamp, and the circuit is simple, shows clearly easy discernment, can remove from being connected between equipment and the high voltage circuit breaker, can avoid the experimental harmful effects that causes the circuit breaker to divide-shut repeatedly and bring of repeated whole group, has fine practicality.
Therefore, the utility model discloses simple structure, small in size, it is multiple functional, be suitable for engineering tester to go out to carry or be used for the test of the interior research and development product of factory to use, applicable circuit breaker combined floodgate and the analogue test of separating brake in different occasions, the range of application is wide, has fine suitability and practicality.
Drawings
Fig. 1 is a schematic circuit diagram of an analog circuit module in an embodiment of a simulation apparatus for a miniature circuit breaker.
Fig. 2 is a schematic circuit diagram of a first interface in an embodiment of a simulation apparatus for a miniature circuit breaker according to the present invention.
Fig. 3 is a schematic circuit diagram of a second interface in an embodiment of a simulation apparatus for a miniature circuit breaker according to the present invention.
Fig. 4 is a schematic circuit diagram of a miniature circuit breaker simulator connected to a relay protection device in an embodiment of the miniature circuit breaker simulator.
The present invention will be further explained with reference to the drawings and examples.
Detailed Description
In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined below to clearly and completely describe the technical solution of the embodiments of the present invention. It is to be understood that the embodiments described are only some of the embodiments of the present invention, and not all of them. All other embodiments, which can be obtained by a person skilled in the art without any inventive work based on the described embodiments of the present invention, belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the simulation device 1 for a miniature circuit breaker of the present invention, which is used for connecting a relay protection device 2, comprises a connector, wherein an analog circuit module capable of generating a test analog signal is installed in the connector joint, the analog circuit module comprises a closing relay K2 and an opening relay K3, the switch-on signal relay K1, the switch-on signal indicator LED2 and the switch-off signal indicator LED1 are connected, a switch-on input pin H1 of the connector is connected with a normally closed contact of the switch-on relay K2, a normally open contact of the switch-on relay K2 is connected with a coil end of the switch-on signal relay K1, a switch-off input pin F1 of the connector is connected with a coil end of the switch-off relay K3, a normally closed contact of the switch-off relay K3 is connected with a coil end of the switch-on signal relay K1, a normally closed contact of the switch-on relay K2 is connected with the switch-off signal indicator LED1, and a normally closed contact of the switch-on relay K2 is connected with the switch-off signal indicator LED 2.
When the miniature circuit breaker simulation device 1 receives a closing input signal, the coil end of the closing relay K2 is electrified, so that the normally open contact of the closing relay K2 is closed, the closing position signal indicator lamp LED2 is lighted, the coil end of the closing position signal relay K1 is kept in an electrified closing state, and a closing position signal is output through the normally open contact.
When the miniature circuit breaker simulation device 1 receives an opening input signal, the coil end of the opening relay K3 is electrified, so that the normally closed contact of the opening relay K3 is disconnected, the coil end of the closing relay K2 is electrified, the normally open contact is disconnected, the opening signal indicator light LED1 is lighted, and the coil end of the closing signal relay K1 is electrified.
In this embodiment, the connector has a first interface J1 and a second interface J2, and the first interface J1 has a set signal pin K1, a set signal pin K2, a positive control bus + KM, a negative control bus-KM, a current output pin IA2, a voltage output pin U2, an LED power input positive pin, and an LED power input negative pin; the second interface J2 has two spare pins, a switch-on power supply synchronous output pin, a switch-on lamp pin LED1, a switch-off lamp pin LED2, a voltage input pin U1, a current input pin IA1, a switch-on input pin H1, a switch-off input pin F1, and a common terminal-KM.
The on-position signal pin K1 is connected to a normally open contact of an on-position signal relay K1, the on-position signal pin K2 is connected to a normally closed contact of a closing relay K2, the positive control bus + KM is connected to a coil end of the closing relay K2 and the opening relay K3, the negative control bus-KM is connected to a normally open contact of a closing relay K2, the current output pin IA2 and the voltage output pin U2 are connected to a normally open contact of a closing relay K2, and the LED power supply input positive pin and the LED power supply input negative pin are connected to a control power supply.
The synchronous output pin of the closing power supply is connected to a normally open contact of a closing relay K2, the closing lamp pin LED1 is connected to a closing signal indicator lamp LED2, the separating lamp pin LED2 is connected to a separating signal indicator lamp LED1, the voltage input pin U1 and the current input pin IA1 are connected to a normally closed contact of a closing relay K2, the closing input pin H1 is connected to a normally closed contact of a closing relay K2, the separating input pin F1 is connected to a coil end of a separating relay K3, and the common end-KM is connected to a coil end of the closing signal relay K1 and a coil end of the separating relay K3.
The utility model also provides a pair of miniature circuit breaker analogue means's application method, this miniature circuit breaker analogue means adopts foretell miniature circuit breaker analogue means 1, and the method includes following step: inputting a 24V power supply to the miniature circuit breaker simulator 1, connecting a closing signal pin K1 and a closing signal pin K2 of the miniature circuit breaker simulator 1 to a switching value input end of the relay protection device 2 through a connecting wire, respectively connecting a closing input pin H1, a separating input pin F1 and a public end-KM of the miniature circuit breaker simulator 1 to a separating and closing output of the relay protection device 2, connecting a current line to the relay protection device 2 through the miniature circuit breaker simulator 1, and connecting a voltage line to the relay protection device 2 through the miniature circuit breaker simulator 1, so that the wiring of the miniature circuit breaker simulator 1 can be completed.
Further, when the miniature circuit breaker simulation tool receives a closing input signal, the coil end of the closing relay K2 is electrified, so that the normally open contact of the closing relay K2 is closed, the closing relay K2 is self-maintained, the closing signal indicator lamp LED2 is lighted, the coil end of the closing signal relay K1 is kept in an electrified closing state, and a closing signal is output.
Further, when the miniature circuit breaker simulation tool receives an opening input signal, the coil end of the opening relay K3 is electrified, so that the normally closed contact of the opening relay K3 is disconnected, the coil end of the closing relay K2 is electrified, the normally open contact end of the closing relay K2 is opened, the opening signal indicator light LED1 is lighted, the coil end of the closing signal relay K1 is electrified, and a closing signal is not output.
Further, two normally open contacts of the closing relay K2 are connected to the voltage output pin U2 and the current output pin IA2, and are used for switching on and off of voltage and current.
Therefore, the utility model discloses a miniature circuit breaker analogue means 1 can directly utilize this analogue means simulation to be used for the combined floodgate condition and the separating brake condition of simulation circuit breaker, and the state of combined floodgate and separating brake is shown by combined floodgate pilot lamp and separating brake pilot lamp, and the circuit is simple, shows clearly easy discernment, can remove from being connected between equipment and the high voltage circuit breaker, can avoid the experimental harmful effects that causes the circuit breaker to divide-shut repeatedly and bring of repeated whole group, has fine practicality.
Therefore, the utility model discloses simple structure, small in size, it is multiple functional, be suitable for engineering tester to go out to carry or be used for the test of the interior research and development product of factory to use, applicable circuit breaker combined floodgate and the analogue test of separating brake in different occasions, the range of application is wide, has fine suitability and practicality.
It should be noted that the above is only the preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and all the insubstantial modifications made by using the design concept of the present invention also fall within the protection scope of the present invention.
Claims (6)
1. A miniature circuit breaker analogue means for connecting relay protection device, its characterized in that includes:
a connector, wherein an analog circuit module capable of generating a test analog signal is arranged in the connector joint, the analog circuit module comprises a closing relay K2, an opening relay K3, an on-position signal relay K1, an on-position signal indicator lamp and an off-position signal indicator lamp, a closing input pin H1 of the connector is connected with a normally closed contact of the closing relay K2, the normally open contact of the closing relay K2 is connected with the coil end of the closing signal relay K1, the opening input pin F1 of the connector is connected with the coil end of the opening relay K3, the normally closed contact of the opening relay K3 is connected with the coil end of the on-position signal relay K1, the normally closed contact of the closing relay K2 is connected with the off-position signal indicator light, and the normally closed contact of the closing relay K2 is connected with the on-position signal indicator light.
2. The miniature circuit breaker simulation apparatus of claim 1, wherein:
when the miniature circuit breaker simulation device receives a closing input signal, the coil end of the closing relay K2 is electrified, so that the normally open contact of the closing relay K2 is closed, the closing signal indicator lamp is lighted, the coil end of the closing signal relay K1 is kept in an electrified closing state, and a closing signal is output through the normally open contact.
3. The miniature circuit breaker simulation apparatus of claim 1, wherein:
when miniature circuit breaker analogue means received the separating brake input signal, separating brake relay K3's coil end received the electricity, made separating brake relay K3's normally closed contact disconnection, closing brake relay K2's coil end loses the electricity, and its normally open contact disconnection, separating position signal indicator light is bright, it loses the electricity to close position signal relay K1's coil end.
4. The miniature circuit breaker simulation apparatus of claim 1, wherein:
the connector is provided with a first interface and a second interface, wherein the first interface is provided with a set signal pin K1, a set signal pin K2, a positive control bus + KM, a negative control bus-KM, a current output pin IA2, a voltage output pin U2, an LED power supply input positive pin and an LED power supply input negative pin;
the second interface is provided with two standby pins, a closing power supply synchronous output pin, a closing lamp pin LED1, a separating lamp pin LED2, a voltage input pin U1, a current input pin IA1, a closing input pin H1, a separating input pin F1 and a public terminal-KM.
5. The miniature circuit breaker simulation apparatus of claim 4, wherein:
the on-position signal pin K1 is connected to the normally open contact of the on-position signal relay K1, the on-position signal pin K2 is connected to the normally closed contact of the closing relay K2, the positive control bus + KM is connected to the coil ends of the closing relay K2 and the opening relay K3, the negative control bus-KM is connected to the normally open contact of the closing relay K2, the current output pin IA2 and the voltage output pin U2 are connected to the normally open contact of the closing relay K2, and the LED power supply input positive pin and the LED power supply input negative pin are connected to a control power supply.
6. The miniature circuit breaker simulation apparatus of claim 5, wherein:
the synchronous output pin of combined floodgate power supply is connected to combined floodgate relay K2's normally open contact, it is connected to close position lamp pin LED1 close position signal indicator, it is connected to separate position lamp pin LED2 separate position signal indicator, voltage input pin U1, current input pin IA1 are connected to combined floodgate relay K2's normally closed contact, combined floodgate input pin H1 with combined floodgate relay K2's normally closed contact is connected, separating brake input pin F1 with separating brake relay K3's coil end is connected, common terminal-KM is connected to close position signal relay K1's coil end and separating brake relay K3's coil end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120472992.3U CN214503783U (en) | 2021-03-04 | 2021-03-04 | Miniature circuit breaker analogue means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120472992.3U CN214503783U (en) | 2021-03-04 | 2021-03-04 | Miniature circuit breaker analogue means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214503783U true CN214503783U (en) | 2021-10-26 |
Family
ID=78227929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120472992.3U Active CN214503783U (en) | 2021-03-04 | 2021-03-04 | Miniature circuit breaker analogue means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214503783U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112858826A (en) * | 2021-03-04 | 2021-05-28 | 珠海思创智能电网技术有限公司 | Simulation device for miniature circuit breaker and use method |
-
2021
- 2021-03-04 CN CN202120472992.3U patent/CN214503783U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112858826A (en) * | 2021-03-04 | 2021-05-28 | 珠海思创智能电网技术有限公司 | Simulation device for miniature circuit breaker and use method |
| CN112858826B (en) * | 2021-03-04 | 2025-06-27 | 珠海思创电气有限公司 | Miniature circuit breaker simulation device and use method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN213517376U (en) | Switch simulation device and system for feeder automation test | |
| CN211826183U (en) | Novel simple simulation circuit breaker | |
| CN112415373A (en) | Analog circuit breaker for substation spare power automatic switching test | |
| CN202041620U (en) | Simulation debugging device for high-voltage breaker | |
| CN214503783U (en) | Miniature circuit breaker analogue means | |
| CN202548291U (en) | Special controller for testing mechanical behavior of pole-mounted vacuum automatic distribution switch | |
| CN201751857U (en) | Tripping characteristic test device for molded case circuit breaker | |
| CN204989357U (en) | Simple analog circuit breaker | |
| CN114184951B (en) | Breaker spring operating mechanism simulation system | |
| CN113740652B (en) | Power distribution system based on automatic fault isolation and recovery and testing method thereof | |
| CN204065175U (en) | A kind of mimic-disconnecting switch being applicable to intelligent substation multi-voltage grade operation circuit | |
| CN107202928B (en) | A kind of backup power automatic input device simulates circuit breaker | |
| CN112858826B (en) | Miniature circuit breaker simulation device and use method | |
| CN212646842U (en) | Primary equipment state monitoring system and simulation device | |
| CN214252355U (en) | Switching device for testing circuit breaker and contactor | |
| CN204613737U (en) | Switch Simulator | |
| CN212646860U (en) | Relay protection open-in and open-out test device | |
| CN202523299U (en) | Substation simulation operation integrated intelligent experimental system | |
| CN202049657U (en) | Simulation circuit breaker | |
| CN216771920U (en) | Pull electronic isolator divide-shut brake circuit detection device of power supply | |
| CN203929914U (en) | Test the protective relaying device servicing unit of actuation time | |
| CN215599272U (en) | 10kV spare power automatic switching device test platform | |
| CN104569802B (en) | A kind of intelligent substation debugging system and a disconnecting switch analog machine | |
| CN206321718U (en) | A kind of simple mimic-disconnecting switch | |
| CN202141738U (en) | Minisize simulative circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |