CN2172480Y - Electronic circuit breaker regulating table - Google Patents

Abstract

The utility model provides an electronic circuit breaker regulating table used for regulating and setting the functions of the overcurrent, the undervoltage tripping, etc. for the semiconductor release of the DW15 circuit breaker in the existing power supply system. Because the electronic circuit breaker regulating table adopts an electricity current analogous circuit, a voltage load analogous circuit, and a control circuit, the speed of setting and check of the semiconductor release in the circuit breaker and the online circuit breaker is rapid, the needing time is shortened form the 30 to 40 hours in the past to the 10 minutes, and thereby, the benefit problem of the influenced factory production of long power-off time is reduced, which is caused by the power failure to regulate or rechecking and setting the release after the fault. The utility model has the advantage of convenient operation.

Description

Electronic circuit breaker regulating table

The utility model provides a kind of DW15 isolating switch debugger, is used for overcurrent undervoltage tripping function of the DW15 isolating switch semiconductor release device that the debug setting electric power system uses etc., belongs to a kind of testing tool.

The DW15 isolating switch of China's electric power system use has at present adopted the semiconductor release device; it has, and volume is little, performance good; protection accurately; versatility is good; need when mounted according to concrete request for utilization carry out on-the-spot adjusting, adjustment work; finishing also will adjust behind the open failure electric current at every turn adjusts and checks; also want regularly the dropout ability of isolating switch to be checked in order to ensure power supply safety; these adjustment work of adjusting are pretty troublesome; need 30 to 40 hours; often cause power failure long thus, influence the production and the working efficiency of factory.

The purpose of this utility model is: a kind of debugger is provided, is used for the debugging of adjusting to the DW15 isolating switch, to shorten the power failure bug check time, improve the productivity effect of industrial and mining enterprises.

The purpose of this utility model is achieved in that the semiconductor release device that adopts according to the DW15 isolating switch is to assemble with the form of plug-in unit, can carry out adjusting and checking of identical semiconductor release device before having a power failure, and not take power off time on debugger.This debugger is by machine shell panel, aerial lug and electronic circuit are formed, machine shell panel 1 is provided with supply socket CH1(2), semiconductor release device socket CH2(3), cable socket CH3(4), fuse RD1, RD2, RD3(5) power light C1(8), signal lamp C2, C3, C4, C5(12), electric bell DL(13) power switch K1(14), overload class K switch 2(15), overload inserts K switch 3(16), circuit breaker current conversion Test Switchboard K4(17), light switch K5(18), online isolating switch inserts K switch 6(19), closing of power circuit breaker button A1(20), isolating switch disconnects button A2(21), overload inserts button A3(22), overload disconnects button A4(23), simulate supply voltage indicating gauge V1(24), simulate electric current indicating gauge V2(25), electrical apparatus release drop away voltage indicating gauge V3(26), online isolating switch conversion test chart MA(27), digital display time relay P13(28), electronic circuit is by power circuit (29), voltage analogue circuit (30), electric current analogue circuit (31), load analogue circuit (32), control circuit (33), the online isolating switch testing circuit of timing display device (34) (35) is formed, its principle of work is: according to the on-the-spot requirement of using of semiconductor electronic electrical apparatus release, control knob on the control panel makes the voltage analog circuit, the current analog circuit sends a voltage respectively, the signal of current analog duty is given semiconductor electronic electrical apparatus release and measurement instrument, the device for under-voltage releasing equipment Q of electronic trip unit control fictitious load circuit, shunt release F action, finish the dropout break function, electronic timer timing during action, instrument demonstrates analog signal values, can adjust so soon, the needed electronic trip unit of having adjusted.

This debugger debug function of adjusting is many; remove adjusting and the inspection of restore funcitons to the semiconductor electronic trip unit under-voltage deferred action time; long delay dropout protective value; short time delay dropout protective value; outside the adjusting and check of instantaneous trip protective value; also can check other parts of online isolating switch; adjust and check rapidly; needing 8-40 hour to shorten to 10 minutes originally; protective value is good; thread off accurately, volume is little, easy to use simultaneously; not only can be used on the laboratory and the electrical apparatus release isolating switch is checked and adjusted, power supply is on-the-spot carries out every inspection and unloaded simulation test to online isolating switch but also can be used on.

Be illustrated below in conjunction with drawings and Examples.

Fig. 1 is electronics debugger panel figure

Fig. 2 is an electronics debugger block scheme

Fig. 3 is the debugger wiring diagram

As can be seen from Figure 3 power supply introduce socket CH1 draw two power leads through K switch 1, fuse RD1, transformer T6 as illumination, signal, blower fan cooling circuit, one the tunnel through fuse D2, transformer T1, remove the current analog circuit, one the tunnel removes the voltage analog circuit through transformer T2, and one the tunnel removes control circuit.

The current analog circuit is by autotransformer T1, transformer T3, overload class K switch 2, overload inserts K switch 3, V2 forms, its annexation is with the elementary of T1 transformer and is connected on the power outlet of CH1, it is secondary to be connected with transformer T3 is elementary, T3 time level has 4 to lift one's head, 1 lifts one's head and is connected with 7 of V2 and K3,2,3,4 lift one's head and are connected with 2,3,4 of K2, and 5 contacts of K2 are connected with 8 of V2 and K3, and 1,2,3,4,5,6 contacts of K3 are connected with 1,2,3,4,5,6 terminals of electrical apparatus release socket CH2 behind 2J relay 2J2 contact.The voltage analog circuit is made up of autotransformer T2, transformer T4, T5, V1, its annexation is with the elementary of transformer T2 and is connected on the power outlet of CH1, T2 time level is connected with the elementary of T4 transformer, T4 time level is connected with T5 is elementary, the centre also connects the V1 voltage table, and T5 time level is connected with 7,8 terminals of electrical apparatus release socket CH2.Control circuit is by supply socket CH1, power switch K1, online isolating switch inserts K switch 6, isolating switch inserts button A2, A1, overload current inserts button A3, A4, relay Z, J, 3J, 2J, ZD and corresponding pilot lamp C1, C2, C3, C4, C5, C6, digital display time relay PB and electric bell DL form, its circuit connecting relation is: power light C1, signal lamp C2 is through Z relay Z1 contact, C3 is through J relay J 1 contact, C4 is through 3J relay 3J1 contact, C5 respectively parallels on the CH1 power outlet through the PB relay tip, the CH1 power outlet divides four the tunnel: the one tunnel through button A1 behind button A2 then, 3J relay tip 3J2, ZD relay tip ZD1 removes Z relay 1 end, two the tunnel through Z relay tip Z2, button A4, A3(A3 is last and be connected with the contact J2 of J relay) remove J relay 1 end, three the tunnel remove 9 terminals of CH3 socket through ZD relay tip ZD11, four the tunnel behind 3J relay 3J2 contact a branch road remove 10 terminals of CH3 socket through the contact QH of device for under-voltage releasing equipment Q relay, one branch road removes 2 contacts of A2 button through the contact FH of shunt release F relay, also have 1 end of a branch road at the 3J relay, 2 ends of Z relay, 2 ends of J relay, 2 ends of 3J relay, 2 ends of 2J relay, 2 ends of ZD relay are respectively with another root power lead of CH1 and connect together, on the ZD relay and have its 1 end of pilot lamp C6 to remove CH3 socket 12 terminals, 1 end of 2J relay one the tunnel removes 2 contacts of button A1 through 34 of A3 by point behind 34 contacts of button A4,3 contacts of PB are removed on another road through the 2J1 contact, it is by behind the 3J3 contact of 3J relay and on the 12V power supply after being connected in T6 transformation secondary commutation that 11 terminals of Ch3 remove the 3J1 contact of 3J relay, electric bell DL through the K6 switch.The load simulation circuit is by device for under-voltage releasing equipment Q, shunt release F, voltage measurement Table V 3 is formed, its circuit connecting relation is: electrical apparatus release socket CH2 terminal 9 connects 0 terminal of CH3 through V3,12 terminals of CH2 are through device for under-voltage releasing equipment Q and ZD relay tip 5,6 to CH2 14 terminals, 13 ends of CH2 are one tunnel 15 terminals that remove CH2 behind 32 contacts of ZD relay and shunt release F, one the tunnel through 8 of the Z3 of Z relay contact and ZD relay, 9 contacts remove 16 ends of CH2, also have one tunnel 15 terminals that remove CH3,13 ends of CH3 are connected with ZD relay 4 contacts, 14 terminals of CH3 are connected with 7 contacts of ZD relay, and 16 terminals of CH3 are connected with 10 contacts of ZD relay.The check circuit of online isolating switch is by K switch 4, semiconductor diode ZL, resistance R 1, R2, R3, milliammeter mA, fuse RD3 forms, its circuit connecting relation is that the terminal 7 of CH3 is shown through RD3, R2, mA, 9 contacts of R1, ZL to K4, the terminal 8 of CH3 is connected with 4 contacts of K4,1 terminal of CH3 is connected with 1 of K4,2 of CH3 is connected with 6 of K4,3 of CH3 is connected with 2 of K4,4 of CH3 is connected with 7 of K4, and 5 of CH3 is connected with 3 of K4,6 being connected with 8 of K4 of CH3, and 0 contact of K4 is connected through R3 and 5 contacts.

On the CH2 socket, plug the semiconductor release device during work, C1 is bright with the CH1 energized, meet down A1, Z work, the Z1 of Z relay, Z2, Z3 contact close, by logical load simulation circuit, pilot lamp C2 shows, press A3, J and 2J relay connection work, overload current adds from the current analog circuit by the 2J contact group of 2J relay, this moment, PB picked up counting, and semiconductor electrical apparatus release output signal makes the shunt release F work of load simulation circuit reach the dropout purpose after reaching corresponding drop-away time.Its contact FH closure during F work, 3J work, Z disconnects, and timer freezes, and C4 is bright for the dropout pilot lamp, and news Chinese percussion instrument DL rings, and demonstrates the delay time of semiconductor release device at this kind overload current on the time relay.Do not thread off as electrical apparatus release after to the time, the timer on the time relay sends signal, and is bright with the C5 lamp, cuts off 2J relay and overload current signal, prevents that the overload voltage of too much time from damaging the semiconductor electronic electrical apparatus release.

Claims (5)

1, a kind of electronic circuit breaker debugger is characterized in that it by machine shell panel (1), voltage analog circuit (30), current analog circuit (31), load simulation circuit (33), and online broken circuit detection circuit (35), timing display device (34) are formed.

2, by the described electronic circuit breaker debugger of claim 1, it is characterized in that described current analog circuit comprises transformer T1, T3, K switch 2, K3, voltage table V2, wherein T3 is elementary connects T1 time grade, T3 level connects the movable contact 7,8 of K switch 3, and two groups of fixed contacts of K3 are connected with CH2 terminal 1,2,3,4,5,6 respectively by 2 contacts (2J2) of 2J relay.

3, by the described electronic circuit breaker debugger of claim 1, it is characterized in that described voltage analog circuit comprises: transformer T2, T4, T5, elementary T2 time grade, the elementary level that connects T4 time of T5, T5 time grade of 7,8 terminals that meet CH2, T4 the level voltage table V1 in parallel of connecing of T4.

4, by the described electronic circuit breaker debugger of claim 1, it is characterized in that described load simulation circuit comprises: device for under-voltage releasing equipment Q, shunt release F, voltage table V3, its circuit connects: the CH29 terminal arrives the CH30 terminal through V3, CH2 12 ends connect 5 of ZD relay through Q, 6 contacts connect 14 terminals of CH2, the terminal 13 of CH2 connects 15 terminals of CH2 respectively through F through 32 contacts of ZD relay, CH3 15 terminals and the contact of succeeding electrical equipment Z3,89 contacts of ZD relay are connected with 16 terminals of CH2, CH3 16 terminals are connected with ZD relay 10 contacts, CH3 14 terminals are connected with 7 contacts of CH2, and CH3 13 terminals are connected with ZD relay 4 contacts.

5, by the described electronic circuit breaker debugger of claim 1, it is characterized in that being equipped with on the described machine shell panel adjustment button of CH1, CH2, RD1, RD2, RD3, C1, C2, C3, C4, C5, DL, K1, K2, K3, K4, K5, K6, A1, A2, A3, A4, V1, V2, V3, MA, PB and autotransformer T1, T2.

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