CN207516514U - A kind of high-speed circuit breaker testing stand - Google Patents
A kind of high-speed circuit breaker testing stand Download PDFInfo
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- CN207516514U CN207516514U CN201721188473.4U CN201721188473U CN207516514U CN 207516514 U CN207516514 U CN 207516514U CN 201721188473 U CN201721188473 U CN 201721188473U CN 207516514 U CN207516514 U CN 207516514U
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- circuit breaker
- speed circuit
- testing stand
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Abstract
The utility model provides a kind of high-speed circuit breaker testing stand, including：The actuation unit being connected on the main coil of high-speed circuit breaker is connected to the current feedback circuit at the main contacts both ends of high-speed circuit breaker, for showing the indicating unit of the normally opened of high-speed circuit breaker, normally closed auxiliary contact and main coil state；For control be attracted unit, current feedback circuit, indicator unit working condition control unit.The testing stand of the utility model is connected by air plug with high-speed circuit breaker, first so that high-speed circuit breaker is attracted, by increasing main contacts electric current, dropout maximum current value is tested, and pass through indicator light real-time display high-speed circuit breaker state, and setting test point, facilitate the monitoring to high-speed circuit breaker.
Description
Technical field
The utility model is related to breaker electrical equipments, and in particular to a kind of high-speed circuit breaker testing stand.
Background technology
Breaker is a kind of common protection electric appliance, plays the role of overload and short-circuit protection in for electric line, in order to
Ensure the product quality of breaker, breaker must be detected school with testing stand when dispatching from the factory to the instantaneous protection feature of breaker
It tests.
Railway locomotive, EMU high-speed circuit breaker in operation its act frequently, it is therefore desirable to periodically to its performance
Adjustment is detected, to avoid interruption of service occurs, influences the safe operation of electric locomotive.At present, China railways system is universal
The main breaker testing bench of outfit belongs to artificial type or semi-automatic more, and test operation is cumbersome, and there is an urgent need to be improved.
Utility model content
To solve the above problems, the utility model provides a kind of high-speed circuit breaker testing stand, the experiment of the utility model
Platform is connected by air plug with high-speed circuit breaker, and first so that high-speed circuit breaker is attracted, by increasing main contacts electric current, test is de-
Maximum current value is detained, and by indicator light real-time display high-speed circuit breaker state, and test point is set, facilitated to open circuit at a high speed
The monitoring of device.
To realize the technical purpose, the technical solution of the utility model is：A kind of high-speed circuit breaker testing stand, including：
Unit is attracted, is connected on the main coil of high-speed circuit breaker, pick-up voltage is provided for high-speed circuit breaker；
Current feedback circuit is connected to the main contacts both ends of high-speed circuit breaker, for applying to the main contacts of high-speed circuit breaker
Electric current；
Indicating unit, for showing the normally opened of high-speed circuit breaker, normally closed auxiliary contact and main coil state；
Control unit, for control be attracted unit, current feedback circuit, indicator unit working condition.
Further, described control unit includes：
The PLC controller of model FX1S-20MR；
Tetra- coils of KM1-D, KM2-D, KM3-D, KM4-D, are attached in PLC controller；
Start button S2 and stop button S3, is attached in PLC controller, as KM1-D, KM2-D, KM3-D, KM4-D
The enable signal of four coils.
Further, the actuation unit includes：
220VAC power supplys are converted to 110VDC power supplys by power module U1 by current rectifying and wave filtering circuit and reduction voltage circuit, and
It exports as V1+ and V1-；
It is connected in parallel on V1+ and V1- after charge switch KM4-A, series limiting resistor R1 and capacitance C1；
Mono- pole plate of discharge switch KM1-A, capacitance C1 draws discharge switch KM1-A, and after forward-, series zener diode D1
It exports another pole plate of P1 mono- U, capacitance C1 and draws output P1-T；
For stream switch KM2-A, V1+ series resistances R3 and for exporting P1-U after stream switch KM2-A, V1-, which is corresponded to, exports P1-T.
Further, the output P1-U and output P1-T are connected to high-speed circuit breaker main coil both ends.
Further, the current feedback circuit is 0-4KA adjustable current devices, and the positive and negative anodes output of 0-4KA adjustable current devices divides
It is not connected on the main contacts of high-speed circuit breaker.
Further, the indicating unit includes：
220VAC power supplys are converted to 24VDC power supplys, and defeated by power module U2 by current rectifying and wave filtering circuit and reduction voltage circuit
Go out for V2+ and V2-；
In a pair of normally opened auxiliary contact of normally opened auxiliary contact indicator unit, P1-A and P1-B, P1-A accesses V2+, P1-B
V2- is accessed after indicating lights connected in series NC1；
Normally closed auxiliary contact indicator unit, in P1-E and P1-F a pair of normally closed auxiliary contacts, P1-E accesses V2+, P1-F
V2- is accessed after indicating lights connected in series NO1；
Main coil indicator unit, V2+ access PLC controllers, V2- series coil indicator lights HSCB access PLC controllers.
Further, the V2+ and V2- accesses the master of high-speed circuit breaker by double-pole single throw KM3-A and 2PIN air plug
Coil both ends.
As the preferred of the utility model, two main coil test points of A17, A18 are set on the 2PIN air plugs；It is described
A pair of normally opened auxiliary contact of P1-A and P1-B set the normally opened auxiliary contact test points of A1, A2 two respectively；The P1-E and P1-F
A pair of of normally closed auxiliary contact sets two normally closed auxiliary contact test points of A9, A10 respectively.
As the preferred of the utility model,
110V-V voltmeters and 110V-A ammeters are set between the V1+ and V1-, for showing that power module U1's is defeated
Go out voltage and load current；
24V-V voltmeters and 24V-A ammeters are set between the V2+ and V2-, for showing the output of power module U1
Voltage and load current.
As the preferred of the utility model, the output P1-U and connecting line, the 0-4KA for exporting P1-T and high-speed circuit breaker
Connecting line, the indicator light of a pair of normally opened auxiliary contact of positive and negative anodes output line, indicator light NC1 and P1-A and P1-B of adjustable current device
NO1 is connected with the connecting line line concentration of P1-E with P1-F a pair of normally closed auxiliary contacts after on aviation plug with high-speed circuit breaker.
The beneficial effects of the utility model are：
The testing stand of the utility model is connected by air plug with high-speed circuit breaker, first so that high-speed circuit breaker is attracted, is led to
Increase main contacts electric current is crossed, tests dropout maximum current value, and by indicator light real-time display high-speed circuit breaker state, and set
Test point facilitates the monitoring to high-speed circuit breaker.
Description of the drawings
Fig. 1 is the circuit module figure of the utility model；
Fig. 2 is the circuit diagram of the utility model control unit；
Fig. 3 is the circuit diagram that the utility model is attracted unit；
Fig. 4 is the circuit diagram of the utility model indicating unit.
Specific embodiment
Below by the technical scheme in the utility model embodiment is clearly and completely described.
As shown in Figure 1, a kind of high-speed circuit breaker testing stand, including：
Unit is attracted, is connected on the main coil of high-speed circuit breaker, pick-up voltage is provided for high-speed circuit breaker；
Current feedback circuit is connected to the main contacts both ends of high-speed circuit breaker, for applying to the main contacts of high-speed circuit breaker
Electric current；
Indicating unit, for showing the normally opened of high-speed circuit breaker, normally closed auxiliary contact and main coil state；
Control unit, for control be attracted unit, current feedback circuit, indicator unit working condition.
Further, described control unit includes：
The PLC controller of model FX1S-20MR；
Tetra- coils of KM1-D, KM2-D, KM3-D, KM4-D, are attached in PLC controller, and KM1-D, KM2-D, KM3-
D, tetra- coils of KM4-D are respectively placed in discharge switch KM1-A, for stream switch KM2-A, double-pole single throw KM3-A, charge switch
Under KM4-A, discharge switch KM1-A, for stream switch KM2-A, double-pole single throw KM3-A, charge switch KM4-A respectively and KM1-
Whether D, tetra- coils of KM2-D, KM3-D, KM4-D form electromagnetic switch, charged by four coils of PLC controller programming Control,
The further closure of control switch；
Start button S2 and stop button S3, is attached in PLC controller, as KM1-D, KM2-D, KM3-D, KM2-D
The enable signal of four coils, when button S2 is pressed, tetra- coil workings of KM1-D, KM2-D, KM3-D, KM2-D.
Further, the actuation unit includes：
220VAC power supplys are converted to 110VDC power supplys by power module U1 by current rectifying and wave filtering circuit and reduction voltage circuit, and
It exports as V1+ and V1-；
It is connected in parallel on V1+ and V1- after charge switch KM4-A, series limiting resistor R1 and capacitance C1；
Mono- pole plate of discharge switch KM1-A, capacitance C1 draws discharge switch KM1-A, and after forward-, series zener diode D1
P1-U is exported, another pole plates of capacitance C1 draw output P1-T；
For stream switch KM2-A, V1+ series resistances R3 and for exporting P1-U after stream switch KM2-A, V1-, which is corresponded to, exports P1-T.
Further, the output P1-U and output P1-T are connected to high-speed circuit breaker main coil both ends.
Further, the current feedback circuit is 0-4KA adjustable current devices, and the positive and negative anodes output of 0-4KA adjustable current devices divides
It is not connected on the main contacts of high-speed circuit breaker.
Further, as shown in figure 4, the indicating unit includes：
220VAC power supplys are converted to 24VDC power supplys, and defeated by power module U2 by current rectifying and wave filtering circuit and reduction voltage circuit
Go out for V2+ and V2-；
In a pair of normally opened auxiliary contact of normally opened auxiliary contact indicator unit, P1-A and P1-B, P1-A accesses V2+, P1-B
V2- is accessed after indicating lights connected in series NC1；Wherein normally opened auxiliary contact are incessantly a pair of.
Normally closed auxiliary contact indicator unit, in P1-E and P1-F a pair of normally closed auxiliary contacts, P1-E accesses V2+, P1-F
V2- is accessed after indicating lights connected in series NO1；Wherein normally closed auxiliary contact is incessantly a pair of.
Main coil indicator unit, V2+ access PLC controllers, V2- series coil indicator lights HSCB access PLC controllers.
Further, the V2+ and V2- accesses the master of high-speed circuit breaker by double-pole single throw KM3-A and 2PIN air plug
Coil both ends.PLC controller monitors main coil voltage by COM2 pins and Y2 pins, and indicator light HSCB is controlled to work, with
Whether display main coil charges.
As the preferred of the utility model, two main coil test points of A17, A18 are set on the 2PIN air plugs；It is described
A pair of normally opened auxiliary contact of P1-A and P1-B set the normally opened auxiliary contact test points of A1, A2 two respectively；The P1-E and P1-F
A pair of of normally closed auxiliary contact sets two normally closed auxiliary contact test points of A9, A10 respectively.Capture card etc. can be set outside test point
Tool monitors the parameters such as each test point voltage and current for real-time display on computers.
Above-mentioned each module and each test point are integrated on testboard, connect open circuit at a high speed with 2PIN air plugs by aviation plug
Device.
As the preferred of the utility model,
110V-V voltmeters and 110V-A ammeters are set between the V1+ and V1-, for showing that power module U1's is defeated
Go out voltage and load current；
24V-V voltmeters and 24V-A ammeters are set between the V2+ and V2-, for showing the output of power module U1
Voltage and load current.
As the preferred of the utility model, the output P1-U and connecting line, the 0-4KA for exporting P1-T and high-speed circuit breaker
Connecting line, the indicator light of a pair of normally opened auxiliary contact of positive and negative anodes output line, indicator light NC1 and P1-A and P1-B of adjustable current device
NO1 is connected with the connecting line line concentration of P1-E with P1-F a pair of normally closed auxiliary contacts after on aviation plug with high-speed circuit breaker.
The implementation steps of the utility model are as follows,
The aviation plug and 2PIN air plugs are corresponded into access high-speed circuit breaker.
A, B both ends are accessed on 220V Chinese Industrial Standards (CIS) voltages, open total lock S1, by fuse F1, F2 to power module
U1, power module U2, PLC controller power supply.
As shown in Figures 2 and 3, start button S2 is pressed, PLC controller work passes through programming Control KM4-D coil bands
Electricity further controls discharge switch KM1-A to be closed, and power module U1 is charged by current-limiting resistance R1 to capacitance C1, and PLC is controlled later
Device control discharge switch KM1-A processed is closed, and capacitance C1 is discharged by positive zener diode D1 to high-speed circuit breaker main coil, is made
High-speed circuit breaker is attracted, and then control is closed for stream switch KM2-A, and maintenance pick-up voltage is provided for high-speed circuit breaker main coil,
Last discharge switch KM1-A and charge switch KM4-A is disconnected.
As shown in Figure 3 and Figure 4, PLC controller control double-pole single throw is closed, and is monitored by COM2 pins and Y2 pins
Main coil voltage, and indicator light HSCB is controlled to work；NC1~NC4 is used to indicate high-speed circuit breaker normally closed auxiliary contact state.
NO1~NO4 is used to indicate the normally opened auxiliary contact state of high-speed circuit breaker.
Manually adjust 0-4KA adjustable current device output currents, control high-speed circuit breaker main contacts between electric current, pass through
0-4KA adjustable current device output currents are continuously increased, high-speed circuit breaker is made to thread off, the dropout of high-speed circuit breaker is judged with this
Energy.
For those of ordinary skill in the art, under the premise of not departing from the utility model and creating design, may be used also
To make several modifications and improvements, these belong to the scope of protection of the utility model.
Claims (10)
1. a kind of high-speed circuit breaker testing stand, which is characterized in that including：
Unit is attracted, is connected on the main coil of high-speed circuit breaker, operating current is provided for high-speed circuit breaker；
Current feedback circuit is connected to the main contacts both ends of high-speed circuit breaker, for applying electric current to the main contacts of high-speed circuit breaker；
Indicating unit, for showing the normally opened of high-speed circuit breaker, normally closed auxiliary contact and main coil state；
Control unit, for control be attracted unit, current feedback circuit, indicator unit working condition.
2. a kind of high-speed circuit breaker testing stand according to claim 1, which is characterized in that described control unit includes：
The PLC controller of model FX1S-20MR；
Tetra- coils of KM1-D, KM2-D, KM3-D, KM4-D, are attached in PLC controller；
Start button S2 and stop button S3, is attached in PLC controller, as KM1-D, KM2-D, KM3-D, KM4-D tetra-
The enable signal of coil.
3. a kind of high-speed circuit breaker testing stand according to claim 2, which is characterized in that the actuation unit includes：
220VAC power supplys are converted to 110VDC power supplys, and export by power module U1 by current rectifying and wave filtering circuit and reduction voltage circuit
For V1+ and V1-；
It is connected in parallel on V1+ and V1- after charge switch KM4-A, series limiting resistor R1 and capacitance C1；
Mono- pole plate of discharge switch KM1-A, capacitance C1 draws discharge switch KM1-A, and is exported after forward-, series zener diode D1
Another pole plate of P1-U, capacitance C1 draws output P1-T；
For stream switch KM2-A, V1+ series resistances R3 and for exporting P1-U after stream switch KM2-A, V1-, which is corresponded to, exports P1-T.
4. a kind of high-speed circuit breaker testing stand according to claim 3, which is characterized in that the output P1-U and output
P1-T is connected to high-speed circuit breaker main coil both ends.
5. a kind of high-speed circuit breaker testing stand according to claim 4, which is characterized in that the current feedback circuit is 0-
4KA adjustable current devices, the positive and negative anodes output of 0-4KA adjustable current devices are connected on the main contacts of high-speed circuit breaker.
6. a kind of high-speed circuit breaker testing stand according to claim 5, which is characterized in that the indicating unit includes：
220VAC power supplys are converted to 24VDC power supplys, and output is by power module U2 by current rectifying and wave filtering circuit and reduction voltage circuit
V2+ and V2-；
In a pair of normally opened auxiliary contact of normally opened auxiliary contact indicator unit, P1-A and P1-B, P1-A access V2+, P1-B series connection
V2- is accessed after indicator light NC1；
Normally closed auxiliary contact indicator unit, in P1-E and P1-F a pair of normally closed auxiliary contacts, P1-E access V2+, P1-F series connection
V2- is accessed after indicator light NO1；
Main coil indicator unit, V2+ access PLC controllers, V2- series coil indicator lights HSCB access PLC controllers.
7. a kind of high-speed circuit breaker testing stand according to claim 6, which is characterized in that the V2+ and V2- pass through double-pole
Single-throw switch KM3-A and 2PIN air plug access the main coil both ends of high-speed circuit breaker.
8. a kind of high-speed circuit breaker testing stand according to claim 7, which is characterized in that set on the 2PIN air plugs
Two main coil test points of A17, A18；A pair of normally opened auxiliary contact of the P1-A and P1-B set A1, A2 two normally opened auxiliary respectively
Help contact test point；P1-E and P1-F a pair of normally closed auxiliary contact sets two normally closed auxiliary contact tests of A9, A10 respectively
Point.
9. a kind of high-speed circuit breaker testing stand according to claim 6, which is characterized in that
110V-V voltmeters and 110V-A ammeters are set between the V1+ and V1-, for showing the output of power module U1 electricity
Pressure and load current；
24V-V voltmeters and 24V-A ammeters are set between the V2+ and V2-, for showing the output voltage of power module U1
And load current.
10. a kind of high-speed circuit breaker testing stand according to claim 6, which is characterized in that the output P1-U and output
Positive and negative anodes output line, indicator light NC1 and P1-A and the P1-B of the connecting line of P1-T and high-speed circuit breaker, 0-4KA adjustable current devices
The connecting line of a pair of normally opened auxiliary contact, the connecting line line concentration of indicator light NO1 and P1-E and P1-F a pair of normally closed auxiliary contact in
It is connected after on aviation plug with high-speed circuit breaker.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721188473.4U CN207516514U (en) | 2017-09-15 | 2017-09-15 | A kind of high-speed circuit breaker testing stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721188473.4U CN207516514U (en) | 2017-09-15 | 2017-09-15 | A kind of high-speed circuit breaker testing stand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207516514U true CN207516514U (en) | 2018-06-19 |
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ID=62532693
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721188473.4U Active CN207516514U (en) | 2017-09-15 | 2017-09-15 | A kind of high-speed circuit breaker testing stand |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077440A (en) * | 2018-10-19 | 2020-04-28 | 株洲中车时代电气股份有限公司 | Traction converter and method, device and equipment for detecting state of contactor of traction converter |
-
2017
- 2017-09-15 CN CN201721188473.4U patent/CN207516514U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077440A (en) * | 2018-10-19 | 2020-04-28 | 株洲中车时代电气股份有限公司 | Traction converter and method, device and equipment for detecting state of contactor of traction converter |
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