CN204028307U - A kind of simulated high-pressure switch testing frock - Google Patents
A kind of simulated high-pressure switch testing frock Download PDFInfo
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- CN204028307U CN204028307U CN201420401230.4U CN201420401230U CN204028307U CN 204028307 U CN204028307 U CN 204028307U CN 201420401230 U CN201420401230 U CN 201420401230U CN 204028307 U CN204028307 U CN 204028307U
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Abstract
A kind of simulated high-pressure switch testing frock is provided, comprise electric power loop, voltage detecting loop, voltage transitions loop, the special sub-gate circuit of dog, sub-gate circuit, closing circuit, tank circuit, loop, contact, current return and on the spot/loop, a distant place, wherein electric power loop comprises power switch S1AS1B, R1 resistance and D1 light emitting diode.Simulation test frock can replace multiple high-voltage switch gears, accepts divide-shut brake, energy storage order and switch working state that protective relaying device is sent; Operating voltage accommodation is wide, and alternating current-direct current 220V/110V/24V/48V all can freely select; Working power alternating current 220V, working environment is adaptable; In addition, simulation test tool circuit is simple and direct, and electric elements are easily sought and being purchased, and cost performance is high.
Description
Technical field
The utility model relates to analog switch field, relates in particular to a kind of simulated high-pressure switch testing frock.
Background technology
Along with the development of intelligent grid, intelligent grid technology contributes to realize power supply and demand balance, thereby improves grid stability, becomes to intelligent grid and user one of important member of complete robotization is provided.Meanwhile, user has also proposed some new higher requirements to intelligent grid.
In the relay protection course of work, can often debug protective relaying device and high-voltage switch gear, and can often run into following problem in debug process:
Repeat total group test, high-voltage switch gear energy storage repeatedly, divide-shut brake test action, these all can shorten the high-voltage switch gear life-span, and high-voltage switch gear physical construction is brought to adverse influence; Annual maintenance prerun regular inspection, Commissioning of Relay Protection personnel and high-voltage switch gear maintainer be contention high-voltage switch gear simultaneously, the staff of examination and repair for high-pressure switch and protective relaying device commissioning staff upkeep operation in turn, generally after first allowing the staff of examination and repair for high-pressure switch that high-voltage switch gear is overhauled, protective relaying device commissioning staff debugs protective relaying device again, result has extended power circuit power off time, and work efficiency is very low; Because high-voltage switch gear is in energising running status, do not allow to have a power failure, when protective relaying device checks troubleshooting, can not be directly by charging operation high-voltage switch gear separating brake; Protective relaying device research and development debugging in earlier stage, should not be moved and carry because high-voltage switch gear volume is greatly very heavy, needs hypomegetic analog switch frock can bring up to the protection logic of verifying protective relaying device on table, convenient debugging and amendment, quickening research and development progress.
Based on above-mentioned four reasons, replace high-voltage switch gear in the urgent need to a kind of portable instrument, can utilize analog switch to replace real high-voltage switch gear, accept the divide-shut brake order that protective relaying device is sent.
Utility model content
In order to solve high-voltage switch gear energy storage repeatedly, shorten high-voltage switch gear life-span, contention high-voltage switch gear and to facilitate the problems referred to above such as protective relaying device research and development debugging; the utility model provides a kind of simulated high-pressure switch testing frock; this testing tool can analog switch; thereby replace real high-voltage switch gear, accept the divide-shut brake order that protective relaying device is sent.
The technical solution of the utility model is as follows:
A kind of simulated high-pressure switch testing frock is provided, it is characterized in that, comprise
Electric power loop (1);
Voltage detecting loop (2);
Closing circuit (5), described closing circuit (5) comprises combined floodgate lamp, described combined floodgate lamp is connected with described electric power loop (1);
Sub-gate circuit (6), described sub-gate circuit (6) comprises separating brake lamp, described separating brake lamp is connected with described electric power loop (1);
Tank circuit (7), described tank circuit (7) is connected with sub-gate circuit (6) with described closing circuit (5) respectively;
The ground special sub-gate circuit of dog (4);
Loop, contact (8), it is connected respectively to described closing circuit (5) and described sub-gate circuit (6);
Voltage transitions loop (3), it is connected with loop, contact (8);
Current return (9), it is connected with loop, contact (8); And
On the spot/loop, a distant place (10);
Wherein sub-gate circuit (6), closing circuit (5), tank circuit (7) and the ground special sub-gate circuit of dog (7) are connected in 8 pin the 3rd terminal jointly, wherein separating brake pin connects sub-gate circuit (6), combined floodgate pin connects closing circuit (5), energy storing foot connects tank circuit (7), separating brake+24 pin connects the ground special sub-gate circuit of dog (4), and sub-gate circuit (6), closing circuit (5), tank circuit (7) are connected to again the COM pin of the 3rd terminal jointly; The ground special sub-gate circuit of dog (4) other end connects the 3rd terminal grounding leg;
Wherein, electric power loop (1) comprises the second terminal, the first power switch of being connected, is connected to the second source switch between No. 4 pin and No. 3 pin with No. 5 pin, and light emitting diode and the resistance of series connection; Wherein No. 2 pin connect resistance and the light emitting diode of series connection, and are connected to N_COM end; No. 1 pin connects resistance and the light emitting diode of series connection, and is connected to N_COM end.
Preferably, voltage detecting loop (2) comprise the 8th terminal, the rectifier bridge and the light emitting diode that are connected with pin 2 with the 8th terminal supportor 1, and the resistance of connecting with light emitting diode; Also comprise the rectifier bridge being connected with pin 4 with the 8th terminal supportor 3, and light emitting diode, and the resistance of connecting with light emitting diode.
Preferably, voltage transitions loop (3) are by the 6th terminal conversion Ua, Ub, Uo voltage.
Preferably, the special sub-gate circuit of ground dog (4) one end is connected with No. 2 pin separating brake+24V of 24V-220V AC/DC universal terminal, is connected in series diode, and in the parallel circuit series connection of relay and diode formation; Ground another termination of the special sub-gate circuit of dog (4) the 3rd terminal grounding leg.
Preferably, sub-gate circuit (6) connects the separating brake pin of the 3rd terminal, and it comprises rectifier bridge, relay and diode in parallel, and the rectifier bridge other end is connected to the COM end of tank circuit (7); When being disconnected by relay, separating brake lamp is connected with a deciliter pilot lamp concentric line through resistance.
Preferably, closing circuit (6) connects the combined floodgate pin of the 3rd terminal, and it comprises rectifier bridge, and relay and diode in parallel, and the other end of rectifier bridge is connected to the COM end of tank circuit (7); Combined floodgate lamp is connected with a deciliter pilot lamp concentric line through resistance during by relay adhesive.
Preferably, tank circuit (7) connects the energy storing foot of the 3rd terminal, and it comprises rectifier bridge, and the series circuit of resistance and light emitting diode formation, with the series circuit that resistance and hummer form, above-mentioned two series circuit parallel connections; The other end of rectifier bridge is connected to the COM pin of the 3rd terminal.
Preferably, loop, contact (8) are made up of relay and the first terminal.
Preferably, current return (9) is mainly made up of the 9th terminal and Five-terminals; Five-terminals is through relay, the 9th terminal output current.
Preferably, on the spot/loop, a distant place (10) are switched and are realized on the spot/distant place function by J7 terminal.
Relatively traditional related application, the utility model has the advantages that and only need the type selecting of circuit design and device just can realize the simulation test of multiple different model switch.This simulation test frock can fast be applied to the switch testing of different type and structure neatly, and can not affect the function of whole switch, and reliability is higher on the contrary.Based on the feature of simulation test frock, the interface flexible of the design's part, compatible strong, can, according to the needs of the feature of each interface and control loop, adjust contact interface position and voltage, to reach the optimal performance of whole simulation test frock.With respect to traditional method of testing, this technology following points advantage:
Avoid switch and damaged because of test repeatedly;
Alternative various switch carries out uniting and adjustment test, need not be equipped with multiple switch and test for uniting and adjustment;
Install lightly, be easy to carry, be not subject to site influence and restriction in research and development, production test, erecting stage test, work efficiency significantly improves.
The beneficial effects of the utility model are: simulation test frock can replace multiple high-voltage switch gears, accept divide-shut brake, energy storage order and switch working state that protective relaying device is sent; Simulation test frock operating voltage accommodation is wide, and alternating current-direct current 220V/110V/24V/48V all can freely select; Simulation test frock working power alternating current 220V, working environment is adaptable; In addition, simulation test tool circuit is simple and direct, and electric elements are easily sought and being purchased, and cost performance is high.
Brief description of the drawings
Below in conjunction with drawings and Examples, the utility model is further set forth, wherein:
Fig. 1 is the utility model simulated high-pressure switch testing tool circuit connection layout;
Fig. 2 is electric power loop circuit diagram;
Fig. 3 is voltage detecting loop and voltage transitions loop circuit figure;
Fig. 4 is the ground special sub-gate circuit of dog and current return circuit diagram;
Fig. 5 is contact loop circuit figure;
Fig. 6 is the circuit diagram of sub-gate circuit, closing circuit and tank circuit;
Fig. 7 is on the spot/distant place loop circuit figure.
Embodiment
With reference to accompanying drawing and carry out following description, so that claim and the defined the utility model exemplary embodiment of equivalent thereof are had to darker understanding.But these descriptions are only exemplary.Therefore, those skilled in the art can, in the situation that not departing from scope and spirit of the present utility model, carry out variations and modifications to embodiment described herein.In addition, object for clarity and conciseness, also can omit the description for known function and structure.
As shown in Figure 1, simulation test frock comprise electric power loop 1, voltage detecting loop 2, voltage transitions loop 3, the special sub-gate circuit 4 of dog, closing circuit 5, sub-gate circuit 6, tank circuit 7, loop, contact 8, current return 9 and on the spot/loop, a distant place 10.Closing circuit 5 comprises combined floodgate lamp D8, and combined floodgate lamp D8 is connected with electric power loop 1; Wherein sub-gate circuit 6 comprises separating brake lamp D7, and separating brake lamp D7 is connected with electric power loop 1; Tank circuit 7 is connected with sub-gate circuit 5 with closing circuit 6 respectively; Loop, contact 8 is connected respectively to closing circuit 5 and sub-gate circuit 6; Voltage transitions loop 3 is connected with loop, contact 8; Current return 9 is connected with loop, contact 8.Wherein sub-gate circuit 6, closing circuit 5, tank circuit 7 and the special sub-gate circuit 4 of ground dog are connected in 8 pin the 3rd terminal J3 jointly, wherein separating brake pin connects sub-gate circuit 6, combined floodgate pin connects closing circuit 5, energy storing foot connects tank circuit 7, separating brake+24 pin connects the special sub-gate circuit 4 of ground dog, and sub-gate circuit 6, closing circuit 5, tank circuit 7 are connected to again the COM pin of J3 terminal jointly; Special sub-gate circuit 4 other ends of ground dog connect J3 terminal grounding leg.
Wherein, electric power loop 1 is mainly made up of the first power switch (S1A), second source switch (S1B), R1 220K/2W resistance, D1 light emitting diode.Voltage detecting loop 2 is mainly made up of the 8th terminal J8, rectifier bridge 2W10, light emitting diode D16 D17, resistance R 11 220K/2W, R12 220K/1W.Voltage transitions loop 3 is mainly by the 6th terminal J6 conversion Ua, Ub, Uo voltage.The special sub-gate circuit 4(DC-24V of ground dog) mainly formed by D12/M7 diode, D13/M7 diode, K4A relay.Sub-gate circuit 6(AC220V/DC220V) mainly formed by separating brake, CND pin rectifier bridge 2W10 D2, K2A relay, D3/M7 diode, R2 150K/2W resistance, the D7 light emitting diode of terminal J3.Closing circuit 5 is mainly made up of combined floodgate pin and CNG rectifier bridge 2W10 D4, K3A relay, D5/ M7 diode, R3 150K/2W resistance, the D8 light emitting diode of J3.Tank circuit 7 is mainly made up of J3 terminal and CNG rectifier bridge D9 2W10, B1 hummer, D6 light emitting diode, R10 2K/2W, R4 2K/2W, R5 220K/2W resistance.Loop, contact 8 is mainly made up of K1 relay and the first terminal J1, illustrate a bit, in a preferred embodiment, K1 relay is made up of two parts, and model is respectively: CA2-DN22C(is containing coil K1A), be the same in LA1-DN22C(two models electrical connection principles).Current return 9 is mainly made up of the 9th terminal J9 and Five-terminals J5.On the spot/loop, a distant place 10 is mainly switched and is realized on the spot/distant place function by the 7th terminal J7.
Provide AC220V working power to be input to simulation test frock, 4 of the second terminal J2, 5 pin are opened second source switch S 1B, simulation test frock is in work gate-dividing state, 3 of terminal J2, 2, 1 pin is input to the two-way working power of protective relaying device, the 5th pin of terminal J3 is succeeded electrical protective device output divide-shut brake, energy storage concentric line (COM) is given simulation test frock, terminal J3 the 8th pin is succeeded electrical protective device output separating brake (FZ), terminal J3 the 7th pin is succeeded electrical protective device output switching signal (HZ), terminal J3 the 7th pin is succeeded electrical protective device output energy storage (CN), terminal J3 the 2nd pin (the special separating brake of dog) is succeeded electrical protective device output separating brake (FZ-+24V), terminal J3 the 1st pin (the special separating brake of dog) is succeeded electrical protective device output separating brake concentric line (GND).Electric current input JP1 electric current concentric line (Icom) JP2 electric current input In is through switch S6 output Ia phase, S7 output Ib phase/S13 output Ic phase, S14 output I0 phase, the output of output current concentric line (Icom) J9 current terminal.J1 switch/contact terminal is succeeded electrical protective device and is closed open position input.The 6th terminal J6 switch/residual voltage terminal is succeeded electrical protective device and is closed zero sequence voltage detection position.Provide AC220V working power input to turn on that source switch S1B simulation test frock is in work gate-dividing state LED lamp D7 and ED lamp D10 is bright, simultaneously contact is detected and is sent separating brake order to be dealt into protective relaying device be sub-gate signal, when protective relaying device output switching signal, it is bright that simulation test frock is in work "on" position LED lamp D8, simultaneously contact is detected and being sent the order of closing a floodgate to be dealt into protective relaying device be switching signal, when protective relaying device output energy storage signal, it is bright that simulation test frock is in work energy storage state LED lamp D6, B1 rings, simultaneously contact is detected and is sent energy storage order to be dealt into protective relaying device be that energy storage signal imitation test fixture is in work energy storage state, the input of JP1 electric current concentric line (Icom) JP2 electric current outputs to protective relaying device through switch S6, protective relaying device can detect the value of electric current.
With reference to figure 2, shown in figure, be electric power loop 1, electric power loop 1 comprises terminal J2, the first power switch of being connected, is connected to the second source switch between No. 4 pin and No. 3 pin with No. 5 pin, and as shown in the figure, the D1 light emitting diode of series connection and the R1 resistance of 200K/2W.Wherein No. 2 pin connect R9 200K/2W resistance and the D15 light emitting diode of series connection, and are connected to N_COM end; No. 1 pin connects R8 200K/2W resistance and the D14 light emitting diode of series connection, and is connected to N_COM end.The effect of electric power loop 1 is to provide the working power of simulation frock.
With reference to figure 3A, voltage detecting loop 2 comprises the 8th terminal J8, the D19 2W10 rectifier bridge and the light emitting diode D17 that are connected with pin 2 with J8 pin 1, and the resistance R 12 of connecting with light emitting diode D17, and wherein this resistance is 200K/1W resistance; Also comprise the D18 2W10 rectifier bridge being connected with pin 4 with J8 pin 3, and light emitting diode D16, and the resistance R 11 of connecting with light emitting diode D16, wherein this resistance is 200K/2W resistance.The effect in voltage detecting loop 2 is the voltage signals that detect protective relaying device.
With reference to figure 3B, voltage transitions loop 3 is mainly by terminal J6 conversion Ua, Ub, Uo voltage, and wherein Ua, Ub, Uo are respectively alternating voltage and residual voltage.J6 terminal is to realize voltage transitions by switch.The effect in voltage transitions loop 3 is output voltage grades (as: DC 220V DC 24V DC 48 DC 110V) etc.
With reference to figure 4A, shown in figure, be current return 9, current return 9 is mainly made up of the 9th terminal J9 and Five-terminals J5.Its annexation is that J5 input is through relay, J9 output current.The effect of current return 9 is output currents.
With reference to figure 4B, shown in figure, be ground dog special sub-gate circuit 4, ground dog refers to intelligent demarcation switch cabinet (cable house dog).Wherein the special sub-gate circuit of dog 4 one end are connected with No. 2 pin separating brake+24V of the 24V-220V AC/DC universal terminal shown in Fig. 2, are connected in series D12/M7 diode, and in the parallel circuit series connection of K4A relay and D13/M7 diode formation.Special sub-gate circuit 4 another termination J3 terminal ground connection (No. 1) pin of ground dog.The effect of ground dog special sub-gate circuit 4 be that intelligent demarcation switch cabinet (cable house dog) "on" position is become to gate-dividing state.
With reference to figure 5, shown in figure, be loop, contact 8, loop, contact 8 is mainly made up of K1 relay (as shown in Figure 5 B) and J1 terminal (as shown in Figure 5A).Its circuit connection structure is the loop, separating brake contact 6 of simulation test frock, and effect is the position signalling that detects simulation frock.Wherein Fig. 5 C is depicted as the closing contact loop of simulation test frock, and effect is the position signalling that detects simulation frock.The effect in loop, contact 8 is that to detect the energy storage position signalling of simulation frock be energy storage state.
With reference to figure 6A, shown in figure, be sub-gate circuit 6(separating brake), closing circuit 5(close a floodgate) and tank circuit 7(energy storage).The wherein separating brake of sub-gate circuit 6 splicing ear J3 (No. 8) pin, it comprises D2 2W10 rectifier bridge, and as shown in the figure, K2A relay and D3/M7 diode in parallel, the rectifier bridge other end is connected to the COM end of tank circuit 7.When separating brake lamp is mainly disconnected by K1 relay, be connected with N1 deciliter pilot lamp concentric line through PW-L1 R2 150K/2W resistance, the effect of sub-gate circuit 6 is that switch "on" position is become to gate-dividing state.Combined floodgate (No. 7) pin of closing circuit 5 splicing ear J3, it comprises D4 2W10 rectifier bridge, and as shown in the figure, K3A relay and D5/M7 diode in parallel, the other end of rectifier bridge is the same with sub-gate circuit 6, and the COM that is connected to tank circuit 7 holds.Combined floodgate lamp is connected with N1 deciliter pilot lamp concentric line through PW-L0 R3 150K/2W resistance during mainly by the adhesive of K1 relay, and the effect of closing circuit 5 is that switch gate-dividing state is become to "on" position.Energy storage (No. 6) pin of tank circuit 7 splicing ear J3, it comprises D9 2W10 rectifier bridge, and as shown in FIG., the series circuit that the R4 resistance of 2K/2W and D6 light emitting diode form, with the R10 of 2K/2W and the series circuit of B1 hummer formation, above-mentioned two series circuit parallel connections, also comprise R5 200K/2W resistance.The other end of rectifier bridge is connected to No. COM(5 of terminal J3) pin.The effect of tank circuit 7 be by switch not energy storage state become energy storage state.
In addition, J3 terminal separating brake+No. 24(2) pin is connected to special the ground dog of having described above sub-gate circuit 4, and ground connection (No. 1) pin is earth terminal.
Illustrate a bit: Fig. 6 B represents the J3 FZ(8 pin of protective relaying device output divide-shut brake energy storage signal to simulation test frock) J3 HZ(7 pin) J3 CN(6 pin) and J3 COM(5 pin) as: protective relaying device output sub-gate signal now simulation test frock is gate-dividing state.
With reference to figure 7, shown in figure, be on the spot/loop, a distant place 10, just main/loop, a distant place 10 is made up of terminal J7, realizes on the spot/distant place function.Illustrate a bit, " on the spot " refers to the on-site control of controlled device; " distant place " controlled is exactly briefly Background control or Central Control Room control.Two kinds of control modes are generally switched by switch, and terminal J7 just serves as the function of this switch.
simulation test frock principle of simulation is analyzed
Simulation test frock is mainly simulated high-pressure switch, accepts energy storage, divide-shut brake order that protective relaying device sends.
Under initial operation mode time, D7 separating brake lamp, power light D10 are bright.
Close a floodgate: when protective relaying device sends switching signal D8 combined floodgate lamp bright, at this moment relay HHC68B4Z adhesive self-locking state,
Energy storage: when protective relaying device sends energy storage signal energy storage B1 hummer ring,
Separating brake: when protective relaying device sends sub-gate signal D7 separating brake lamp bright, at this moment relay HHC68B4Z inhale off-state,
simulation test frock Working state analysis
After simulation test frock powers on, bright in the instruction of D1 power supply and the instruction of D7 sub-gate signal, simulation test frock is at gate-dividing state, the normally opened contact CH of relay HHC68B4Z and PW disconnect, when protective relaying device sends switching signal, D8 combined floodgate pilot lamp is bright, K3A relay transient switching HHC68B4Z self-locking state, the normally opened contact CH of relay HHC68B4Z and PW closure, now simulation test frock is that state current loop 9 is also closure state, only apply electric current to protective relaying device, when protective relaying device sends sub-gate signal this moment, the instruction of D7 sub-gate signal is bright, the disconnection of K2A relay turn-on relay HHC68B4Z normally opened contact CH and PW, simulation test frock is at gate-dividing state, the normally opened contact CH of relay HHC68B4Z and PW disconnect, when simulation protective relaying device sends energy storage signal, B1 hummer sends abnormal sound.
Learn through upper surface analysis, after simulation test frock powers on, can stablize in gate-dividing state.
The alternative 10kV isolating switch of this simulated high-pressure switch testing frock, on-load switch and intelligent controller (feed line automatization terminal) carry out uniting and adjustment test, as: demarcation load switch, ZW32-12 type outdoor high-pressure permanent magnetism vacuum circuit breaker, intelligent switchboard etc. on ZW20A-12/630-20 outdoor high-voltage vacuum breaker, FZW20A-12/630-20 outdoor column.
Above-described exemplary be preferred embodiment of the present utility model, the utility model is not limited to above-mentioned embodiment, as long as it reaches technique effect of the present utility model with identical means, all should belong to protection domain of the present utility model.Its technical scheme and/or embodiment can be made various amendment and modification in protection domain of the present utility model.
Claims (10)
1. a simulated high-pressure switch testing frock, is characterized in that, comprises
Electric power loop (1);
Voltage detecting loop (2);
Closing circuit (5), described closing circuit (5) comprises combined floodgate lamp, described combined floodgate lamp is connected with described electric power loop (1);
Sub-gate circuit (6), described sub-gate circuit (6) comprises separating brake lamp, described separating brake lamp is connected with described electric power loop (1);
Tank circuit (7), described tank circuit (7) is connected with sub-gate circuit (6) with described closing circuit (5) respectively;
The ground special sub-gate circuit of dog (4);
Loop, contact (8), it is connected respectively to described closing circuit (5) and described sub-gate circuit (6);
Voltage transitions loop (3), it is connected with loop, contact (8);
Current return (9), it is connected with loop, contact (8); And
On the spot/loop, a distant place (10);
Wherein sub-gate circuit (6), closing circuit (5), tank circuit (7) and the ground special sub-gate circuit of dog (7) are connected in 8 pin the 3rd terminal jointly, wherein separating brake pin connects sub-gate circuit (6), combined floodgate pin connects closing circuit (5), energy storing foot connects tank circuit (7), separating brake+24 pin connects the ground special sub-gate circuit of dog (4), and sub-gate circuit (6), closing circuit (5), tank circuit (7) are connected to again the COM pin of the 3rd terminal jointly; The ground special sub-gate circuit of dog (4) other end connects the 3rd terminal grounding leg;
Wherein, electric power loop (1) comprises the second terminal, the first power switch of being connected, is connected to the second source switch between No. 4 pin and No. 3 pin with No. 5 pin, and light emitting diode and the resistance of series connection; Wherein No. 2 pin connect resistance and the light emitting diode of series connection, and are connected to N_COM end; No. 1 pin connects resistance and the light emitting diode of series connection, and is connected to N_COM end.
2. simulated high-pressure switch testing frock according to claim 1, is characterized in that, voltage detecting loop (2) comprise the 8th terminal, the rectifier bridge and the light emitting diode that are connected with pin 2 with the 8th terminal supportor 1, and the resistance of connecting with light emitting diode; Also comprise the rectifier bridge being connected with pin 4 with the 8th terminal supportor 3, and light emitting diode, and the resistance of connecting with light emitting diode.
3. simulated high-pressure switch testing frock according to claim 1, is characterized in that, voltage transitions loop (3) are by the 6th terminal conversion Ua, Ub, Uo voltage.
4. simulated high-pressure switch testing frock according to claim 1, it is characterized in that, the special sub-gate circuit of dog (4) one end, ground is connected with No. 2 pin separating brake+24V of 24V-220V AC/DC universal terminal, is connected in series diode, and in the parallel circuit series connection of relay and diode formation; Ground another termination of the special sub-gate circuit of dog (4) the 3rd terminal grounding leg.
5. simulated high-pressure switch testing frock according to claim 1, it is characterized in that, sub-gate circuit (6) connects the separating brake pin of the 3rd terminal, and it comprises rectifier bridge, relay and diode in parallel, the rectifier bridge other end is connected to the COM end of tank circuit (7); When being disconnected by relay, separating brake lamp is connected with a deciliter pilot lamp concentric line through resistance.
6. simulated high-pressure switch testing frock according to claim 1, it is characterized in that, closing circuit (6) connects the combined floodgate pin of the 3rd terminal, and it comprises rectifier bridge, and relay and diode in parallel, the other end of rectifier bridge is connected to the COM pin of tank circuit (7); Combined floodgate lamp is connected with a deciliter pilot lamp concentric line through resistance during by relay adhesive.
7. simulated high-pressure switch testing frock according to claim 1, it is characterized in that, tank circuit (7) connects the energy storing foot of the 3rd terminal, it comprises rectifier bridge, and the series circuit of resistance and light emitting diode formation, with the series circuit that resistance and hummer form, above-mentioned two series circuit parallel connections; The other end of rectifier bridge is connected to the COM pin of the 3rd terminal.
8. simulated high-pressure switch testing frock according to claim 1, is characterized in that, loop, contact (8) comprise relay and the first terminal.
9. simulated high-pressure switch testing frock according to claim 1, is characterized in that, current return (9) comprises the 9th terminal and Five-terminals; Five-terminals is through relay, the 9th terminal output current.
10. simulated high-pressure switch testing frock according to claim 1, is characterized in that, on the spot/loop, a distant place (10) are switched and realized on the spot/distant place function by J7 terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401230.4U CN204028307U (en) | 2014-07-18 | 2014-07-18 | A kind of simulated high-pressure switch testing frock |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420401230.4U CN204028307U (en) | 2014-07-18 | 2014-07-18 | A kind of simulated high-pressure switch testing frock |
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| CN204028307U true CN204028307U (en) | 2014-12-17 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546913A (en) * | 2016-11-01 | 2017-03-29 | 中科电力装备（安徽）智能化科技有限公司 | A kind of breaker relay protection detector |
| CN109557446A (en) * | 2017-09-27 | 2019-04-02 | 国网内蒙古东部电力有限公司电力科学研究院 | Extra-high voltage debugging electrical quantity converting system and adjustment method based on APP |
| CN112230106A (en) * | 2020-09-25 | 2021-01-15 | 江苏核电有限公司 | Detection device and method for switch external local switching-on/off controller |
-
2014
- 2014-07-18 CN CN201420401230.4U patent/CN204028307U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106546913A (en) * | 2016-11-01 | 2017-03-29 | 中科电力装备（安徽）智能化科技有限公司 | A kind of breaker relay protection detector |
| CN109557446A (en) * | 2017-09-27 | 2019-04-02 | 国网内蒙古东部电力有限公司电力科学研究院 | Extra-high voltage debugging electrical quantity converting system and adjustment method based on APP |
| CN112230106A (en) * | 2020-09-25 | 2021-01-15 | 江苏核电有限公司 | Detection device and method for switch external local switching-on/off controller |
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