CN209946324U - Breaker opening and closing secondary circuit tester - Google Patents
Breaker opening and closing secondary circuit tester Download PDFInfo
- Publication number
- CN209946324U CN209946324U CN201920344097.6U CN201920344097U CN209946324U CN 209946324 U CN209946324 U CN 209946324U CN 201920344097 U CN201920344097 U CN 201920344097U CN 209946324 U CN209946324 U CN 209946324U
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- breaker
- separating brake
- circuit breaker
- protection device
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Abstract
The utility model provides a circuit breaker divide-shut brake secondary circuit tester, includes protection device, still include with the operating power supply that protection device is connected, operating power supply connects air switch, operating power supply still is connected with the combined floodgate return circuit, the combined floodgate return circuit is connected with the separating brake return circuit, combined floodgate return circuit and separating brake return circuit all are connected protection device, combined floodgate return circuit and separating brake return circuit are in parallel state, and parallelly connected on operating power supply's 102 terminal and 101 terminals, the combined floodgate return circuit is in the return circuit with circuit breaker combined floodgate or contactor actuation. The utility model discloses improved direct current 220V pilot lamp, in the very first time that the electric system circuit broke down, only need locate to find combined floodgate 107, separating brake 137 and-KM 102 department at the secondary binding post of circuit breaker and connect modified direct current 220V pilot lamp, can get rid of the reason of secondary wiring trouble rapidly, the device is small, and convenient to carry, easy operation to very big reduction the required time of troubleshooting, saved the waste of manpower resources.
Description
Technical Field
The utility model belongs to the technical field of secondary circuit inspection test technique and specifically relates to a circuit breaker divide-shut brake secondary circuit tester.
Background
The electric circuit which is formed by connecting secondary devices with each other and monitors, controls, regulates and protects the primary devices is called a secondary circuit, and is a circuit which is formed by connecting secondary windings of mutual inductors, measurement monitoring instruments, relays, automatic devices and the like in an electric system through control cables and is used for controlling, protecting, regulating, measuring and monitoring parameters and working conditions of elements in the primary circuit. In an electrical system, a circuit breaker of power equipment often has the problem of switching-on and switching-off faults, but because secondary circuits are complex in wiring, the problems which occur and meet are various when a loop is checked, so that a fault point cannot be found in time, and time and labor waste is caused to the problem of checking and solving the faults.
Therefore, in order to solve the problems, a breaker opening and closing secondary circuit tester which can find and eliminate faults in time needs to be designed.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's is not enough, provides a circuit breaker divide-shut brake secondary circuit tester that can get rid of the secondary wiring trouble rapidly.
The utility model provides a its technical problem take following technical scheme to realize:
the utility model provides a circuit breaker divide-shut brake secondary circuit tester, includes protection device, still include with the operating power supply that protection device is connected, operating power supply connects air switch, operating power supply still is connected with the combined floodgate return circuit, the combined floodgate return circuit is connected with the separating brake return circuit, combined floodgate return circuit and separating brake return circuit all are connected protection device.
Preferably, the air switch comprises a breaker QF1 and a breaker QF2, the breaker QF1 is connected to the positive terminal + KM of the dc control bus, the breaker QF2 is connected to the negative terminal-KM of the dc control bus, the breaker QF1 is connected to the terminal 101 of the operating power supply, and the breaker QF2 is connected to the terminal 102 of the operating power supply.
Preferably, the closing circuit include five locks of preventing, five locks of preventing are connected terminal 101, five locks of preventing are connected with position switch on the spot, position switch on the spot still is connected with the hand and closes a floodgate, the hand is closed a floodgate and is passed through protection device is connected with circuit breaker QF3, circuit breaker QF3 is connected with closing release HQ, closing release HQ is connected terminal 102, be equipped with terminal 107 between hand is closed a floodgate and circuit breaker QF 3.
Preferably, the separating brake circuit include with the distant place position switch that five prevent the phase-locked and be connected, distant place position switch is connected with the hand separating brake, the hand separating brake is connected on the position switch on the spot, hand separating brake and distant place position switch are in series and pass through protection device is connected with circuit breaker QF4, circuit breaker QF4 is connected with separating brake release TQ, separating brake release TQ connects terminal 102, be equipped with terminal 137 between hand separating brake and the circuit breaker QF 4.
The utility model has the advantages that:
the utility model discloses improved direct current 220V pilot lamp, in the very first time that the electric system circuit broke down, only need locate to find combined floodgate 107, separating brake 137 and-KM 102 department at the secondary binding post of circuit breaker and connect modified direct current 220V pilot lamp, can get rid of the reason of secondary wiring trouble rapidly, the device is small, and convenient to carry, easy operation to very big reduction the required time of troubleshooting, saved the waste of manpower resources.
Drawings
FIG. 1 is a schematic diagram of the normal wiring of the present invention;
fig. 2 is a schematic diagram of the testing closing connection of the present invention;
fig. 3 is a schematic diagram of the testing opening wiring of the present invention.
Detailed Description
The embodiments of the present invention will be described in detail with reference to the accompanying drawings:
as shown in fig. 1, a circuit breaker divide-shut brake secondary circuit tester, including protection device, protection device is main electrical equipment among the electrical system, like transformer, generator etc. except this, still include with the operating power supply that protection device is connected, operating power supply be the electric energy source who supplies with electrical system, maintain protection device's normal operating. The operation power supply is connected with an air switch, and the air switch is a circuit breaker and is a main switch in a circuit system. The operating power supply is further connected with a closing loop, the closing loop is connected with an opening loop, the closing loop and the opening loop are both connected with the protection device, the closing loop and the opening loop are in parallel connection and are connected to a terminal 102 and a terminal 101 of the operating power supply in parallel, the closing loop is a loop for closing the circuit breaker or closing the contactor, and the opening loop is a loop for opening the circuit breaker or disconnecting the contactor.
In addition, the air switch comprises a breaker QF1 and a breaker QF2, the breaker QF1 is connected with a positive electrode + KM of a direct current control bus, the breaker QF2 is connected with a negative electrode-KM of the direct current control bus, the breaker QF1 is connected with a terminal 101 of the operating power supply, the breaker QF2 is connected with a terminal 102 of the operating power supply, and the closing loop comprises a five-prevention lock which is a switch lock used on high-voltage switchgear and used for forcibly operating a given safe operating program and realizing a specific function. The five-prevention lock is connected with the terminal 101, the five-prevention lock is connected with an on-site position switch, and the on-site position switch is a switch breaker arranged at the electrical equipment and can close and turn off the protection device on the electrical equipment site. The on-site position switch is further connected with a hand switch, the hand switch passes through the protection device is connected with a circuit breaker QF3, the circuit breaker QF3 is connected with a switch-on release HQ, the switch-on release HQ is connected with the terminal 102, and a terminal 107 is arranged between the hand switch and the circuit breaker QF 3.
The separating brake circuit comprises a remote position switch connected with the five-prevention phase lock, the remote position switch is connected with a hand separating brake, the hand separating brake is connected to the local position switch, the remote position switch is a remote control switch, and a worker can control the closing and the turn-off of the hand separating brake at a position slightly far away from the electrical equipment. Hand separating brake and distant place position switch are connected in series and pass through protection device is connected with circuit breaker QF4, circuit breaker QF4 is connected with separating brake release TQ, separating brake release TQ connects terminal 102, be equipped with terminal 137 between hand separating brake and the circuit breaker QF 4.
In specific implementation, when an electric system line where the protection device is located has a fault, a switching-on line is tested firstly, as shown in fig. 2, a direct-current 220V indicator lamp is connected into a switching-on loop to control a local position switch or a remote position switch to switch on a hand for switching on, if an connected tester shows that the switching-on is normal, the secondary wiring inside a terminal is proved to be normal, a fault point is eliminated from a breaker body, and if the fault is shown, the fault point is proved to be in secondary wiring; if the switching-on line is tested normally, the switching-off line is tested, as shown in fig. 3, a direct current 220V indicator lamp is connected into a switching-off loop to control the local position switch or the remote position switch to switch on and switch off, if the connected tester shows normal, the secondary wiring inside the terminal is proved to be normal, the fault point is eliminated from the breaker body, and if the fault is displayed, the fault point is proved to be at the secondary wiring position.
The utility model discloses improved direct current 220V pilot lamp, in the very first time that the electric system circuit broke down, only need locate to find combined floodgate 107, separating brake 137 and-KM 102 department at the secondary binding post of circuit breaker and connect modified direct current 220V pilot lamp, can get rid of the reason of secondary wiring trouble rapidly, the device is small, and convenient to carry, easy operation to very big reduction the required time of troubleshooting, saved the waste of manpower resources.
It should be emphasized that the embodiments described herein are illustrative and not restrictive, and thus the present invention is not limited to the embodiments described in the detailed description, but also falls within the scope of the present invention, in any other embodiments derived by those skilled in the art according to the technical solutions of the present invention.
Claims (4)
1. The utility model provides a circuit breaker divide-shut brake secondary circuit tester, includes protection device, its characterized in that: the air switch is connected with the protection device, the air switch is connected with the operating power supply, the switching-on loop is connected with the switching-off loop, and the switching-on loop and the switching-off loop are both connected with the protection device.
2. The circuit breaker opening and closing secondary circuit tester according to claim 1, characterized in that: the air switch comprises a breaker QF1 and a breaker QF2, wherein the breaker QF1 is connected with a positive electrode + KM of a direct-current control bus, the breaker QF2 is connected with a negative electrode-KM of the direct-current control bus, the breaker QF1 is connected with a terminal 101 of an operating power supply, and the breaker QF2 is connected with a terminal 102 of the operating power supply.
3. The circuit breaker opening and closing secondary circuit tester according to claim 2, characterized in that: closing a floodgate return circuit including five locks of preventing, five locks of preventing are connected terminal 101, five locks of preventing are connected with position switch on the spot, position switch on the spot still is connected with the hand and closes a floodgate, the hand is closed a floodgate and is passed through protection device is connected with circuit breaker QF3, circuit breaker QF3 is connected with closing a floodgate release HQ, closing a floodgate release HQ is connected terminal 102, be equipped with terminal 107 between hand is closed a floodgate and circuit breaker QF 3.
4. The circuit breaker opening and closing secondary circuit tester according to claim 3, characterized in that: the separating brake circuit include with the distant place position switch that five prevent the phase-locked and connect, distant place position switch is connected with the hand separating brake, the hand separating brake is connected on the position switch on the spot, hand separating brake and distant place position switch concatenate and pass through protection device is connected with circuit breaker QF4, circuit breaker QF4 is connected with separating brake release TQ, separating brake release TQ connects terminal 102, be equipped with terminal 137 between hand separating brake and the circuit breaker QF 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920344097.6U CN209946324U (en) | 2019-03-18 | 2019-03-18 | Breaker opening and closing secondary circuit tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920344097.6U CN209946324U (en) | 2019-03-18 | 2019-03-18 | Breaker opening and closing secondary circuit tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209946324U true CN209946324U (en) | 2020-01-14 |
Family
ID=69124355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920344097.6U Active CN209946324U (en) | 2019-03-18 | 2019-03-18 | Breaker opening and closing secondary circuit tester |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209946324U (en) |
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2019
- 2019-03-18 CN CN201920344097.6U patent/CN209946324U/en active Active
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