CN109580211A - A kind of mechanical characteristic test system of high-voltage circuitbreaker - Google Patents
A kind of mechanical characteristic test system of high-voltage circuitbreaker Download PDFInfo
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- CN109580211A CN109580211A CN201910074240.9A CN201910074240A CN109580211A CN 109580211 A CN109580211 A CN 109580211A CN 201910074240 A CN201910074240 A CN 201910074240A CN 109580211 A CN109580211 A CN 109580211A
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- switch
- normal open
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- normally closed
- open switch
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
- G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
- G01R31/3272—Apparatus, systems or circuits therefor
Abstract
The present invention relates to a kind of mechanical characteristic test systems of high-voltage circuitbreaker, the subchannel of tester is connect with one end of the second normal open switch in the system, the other end of second normal open switch is connect with the first test wire terminal, the conjunction channel of tester is connect with one end of the 5th normal open switch, the other end of 5th normal open switch is connect with the second test wire terminal, and the public passage of tester is tested wire terminal with third by p-wire and connect；The present invention automatically switches TCH test channel when testing by setting control circuit; realize a key of test; operator only needs to press contact switch to test macro progress one-key start; relay carries out cooperation control to each circuit simultaneously; when testing subchannel; the control of first relay is closed channel and is disconnected; the second relay control subchannel disconnects when channel is closed in test; it is without damage to can effectively ensure that the two does not carry out effective protection tester simultaneously; the present invention can a key operation; convenience and high-efficiency can effectively save manual operation.
Description
Technical field
The present invention relates to power equipment experimental rig fields, more particularly, to a kind of mechanical property of high-voltage circuitbreaker
Pilot system.
Background technique
The mechanical characteristic test of high-voltage circuitbreaker includes the time-parameters test of breaker, the movement of electromagnet for controlling switch electricity
Pressure test and the speed characteristic test of breaker etc., its main feature is that need to carry out wiring in the control loop of breaker, and
It needs repeatedly to replace test connection during test；It is secondary due to existing simultaneously other in terminal block where breaker control circuit
Circuit needs especially with caution, to prevent wrong terminal, to cause secondary loop short circuit or ground connection during wiring.
Currently, common way is the setting switching switch on p-wire, converted again after each test wiring is connected
The gear of switching switch carries out the switching of test item, but this test still needs to manually switch over, and can not achieve key behaviour
Make.
Summary of the invention
The present invention is that the mechanical characteristic test of high-voltage circuitbreaker described in the above-mentioned prior art is overcome to can not achieve a key operation
Defect, a kind of mechanical characteristic test system of high-voltage circuitbreaker is provided.
The system comprises tester, the first relay, the second relay, first time relay, the second time relays
Device, the third time relay, contact switch, DC power supply, the first test wire terminal, the second test wire terminal, third p-wire
Connector；
First relay includes the first normal open switch, the second normal open switch, first coil, the 4th normally closed switch；
Second relay includes the 4th normal open switch, the 5th normal open switch, the second normally closed switch, the 4th coil；
First time relay includes the first normally closed switch, the first delayer；
Second time relay includes the long switch of third, the second delayer；
The third time relay includes third normally closed switch, third delayer；
Tester includes subchannel, closes channel, public passage；
The subchannel of tester is connect by p-wire with one end of the second normal open switch, and the other end of the second normal open switch passes through
P-wire is connect with the first test wire terminal, and the conjunction channel of tester is connect by p-wire with one end of the 5th normal open switch,
The other end of 5th normal open switch is connect by p-wire with the second test wire terminal, and the public passage of tester passes through p-wire
It is connect with third test wire terminal；
One end of contact switch and the anode of DC power supply connect, and the other end is connect with one end of the first normally closed switch, and first often
One end of the other end and first coil that make and break is closed connects, and the other end of first coil and the cathode of DC power supply connect, and first
Normal open switch is connected in parallel with contact switch；
One end of second normal open switch and the anode of DC power supply connect, and the other end is connect with one end of the second normally closed switch, the
The other end of two normally closed switch is connect with one end of the first delayer, and the other end of the first delayer and the cathode of DC power supply connect
It connects, the second delayer is connected in parallel with the first delayer；
One end of third normal open switch is connect with DC power anode, and the other end is connect with one end of third normally closed switch, third
The other end of normally closed switch is connect with one end of the 4th coil, and the 4th normal open switch is connected in parallel with third normal open switch；
One end of 5th normal open switch and the anode of DC power supply connect, and the other end is connect with one end of the 4th normally closed switch, the
The other end of four normally closed switch is connect with one end of third delayer, and the other end of third delayer and the cathode of DC power supply connect
It connects；
The delay time of first time relay is equal to the delay time of the third time relay, and less than second time relay
Delay time；It can guarantee the test for carrying out closing channel again after subchannel thoroughly disconnects, it is ensured that tester is without damage.
The present invention automatically switches TCH test channel when testing by setting control circuit, realizes a key of test
Change, operator only needs to press contact switch to test macro progress one-key start, while relay cooperates each circuit
Control, when testing subchannel, the control of the first relay is closed channel and is disconnected, and the second relay controls subchannel when channel is closed in test
Disconnect, both can effectively ensure that not carry out effective protection tester simultaneously without damage, the present invention can a key operation, facilitate height
Effect, can effectively save manual operation,
Preferably, the pilot system further includes the first current sensor, the second current sensor, alarm, third relay
Device, the 4th relay, the 5th relay, the 6th relay；
Whether the first current sensor has electric current between the second normal open switch for measuring subchannel；
Whether the second current sensor has electric current between the 5th normal open switch for measuring conjunction channel；
First relay further includes the 6th normal open switch, the 6th normally closed switch；
Second relay further includes the tenth normal open switch, the 5th normally closed switch；
First current sensor includes the first sensitive switch, the 4th sensitive switch；
Second current sensor includes the second sensitive switch, third sensitive switch；
Third relay includes the 7th normal open switch, the 8th normal open switch, the 6th coil；
4th relay includes the 9th normal open switch, the 7th coil；
5th relay includes the 11st normal open switch, the 12nd normal open switch, the 8th coil；
6th relay includes the 13rd normal open switch, the 9th coil；
One end of 6th normal open switch and the anode of DC power supply connect, and the other end is connect with one end of the 5th normally closed switch, the
The other end of five normally closed switch is connect with one end of the 6th coil, and the other end of the 6th coil and the cathode of DC power supply connect,
7th normal open switch is connected in parallel with the 6th normal open switch；
One end of 8th normal open switch and the anode of DC power supply connect, and one end of the other end and current sensor connects, electric current
The other end of sensor and the other end of DC power supply connect；
One end of first sensitive switch and the anode of DC power supply connect, and the other end is connect with one end of the 7th coil, the 7th line
The other end of circle and the cathode of DC power supply connect, and the 9th normal open switch is connected in parallel with the first sensitive switch；
One end of tenth normal open switch and the anode of DC power supply connect, and the other end is connect with one end of the 6th normally closed switch, the
The other end of six normally closed switch and the cathode of DC power supply connect, and the 11st normal open switch is connected in parallel with the tenth normal open switch；
One end of 12nd normal open switch is connect with positive pole, and the other end is connect with one end of the second current sensor, and second
The other end of current sensor and the cathode of DC power supply connect；
One end of second sensitive switch and the anode of DC power supply connect, and the other end is connect with one end of the 9th coil, the 9th line
The other end of circle and the cathode of DC power supply connect, and the 13rd normal open switch is connected in parallel with the second sensitive switch；
One end of third sensitive switch and the anode of DC power supply connect, and one end of the other end and alarm connects, alarm
The connection of the cathode of the other end and DC power supply, the 4th sensitive switch are connected in parallel with third sensitive switch.
The present invention tests to the channel that do not tested by adding current sensor, if the channel that do not detect has
Electric current passes through, then is abnormal condition, at this time current sensor starting current sensitive switch, opens alarm and alarms, mentions
Show staff's test abnormality.
Preferably, the 4th relay further includes the 7th normally closed switch and the 9th normally closed switch, and the 6th relay further includes
Eight normally closed switch and the tenth normally closed switch；
7th normally closed switch and the 8th normally closed switch are connected and are accessed between the second normally closed switch and the first delayer；
9th normally closed switch and the tenth normally closed switch are connected and are accessed between the 4th normally closed switch and third delayer.
By adding normally closed switch, each channel switch is disconnected in time in test abnormality, tester is made to exempt from damage.
Preferably, the pilot system further includes processor, and processor is connect with tester, will be tested by tester
As a result it exports and summarizes and show to processor progress integrated treatment, the intelligence of the system can be improved, manual operation can be reduced.
Preferably, the delay time of first time relay and the third time relay is three seconds, second time relay
Delay time be four seconds.
Preferably, the alarm is buzzer.
Preferably, the DC power supply is 24V DC power supply.
Compared with prior art, the beneficial effect of technical solution of the present invention is: a key operation can be achieved in the present invention, can reduce
Manual operation, meanwhile, it cooperates between each relay, it is ensured that the safe operation of pilot system.
Detailed description of the invention
Fig. 1 is test system architecture schematic diagram described in embodiment 1.
Fig. 2 is pilot system electric control theory figure described in embodiment 1.
Fig. 3 is test system architecture schematic diagram described in embodiment 2.
Fig. 4 is pilot system electric control theory figure described in embodiment 2.
Wherein, K1 is contact switch, KM1(1) be the first normal open switch, KM1(2) it is the second normal open switch, KT2 is third
Normal open switch, KM2(1) be the 4th normal open switch, KM2(2) be the 5th normal open switch, KM1(3) it is the 6th normal open switch, KM3
(1) it is the 7th normal open switch, KM3(2) be the 8th normal open switch, TA1(1) it is the first sensitive switch, KM4 is the 9th normally opened to open
Close, KM2(3) be the tenth normal open switch, KM5(1) be the 11st normal open switch, KM5(2) be the 12nd normal open switch, TA2(1)
For the second sensitive switch, KM6 is the 13rd normal open switch, TA2(2) be third sensitive switch, TA1(2) it is the 4th sensitive switch,
KT1(1) it is the first normally closed switch, KM2(4) be the second normally closed switch, KT3(1) be third normally closed switch, KM1(4) it is the 4th normal
Make and break is closed, KM2(5) be the 5th normally closed switch, KM1(5) be the 6th normally closed switch, KM4(1) be the 7th normally closed switch, KM6(1)
It is the 9th normally closed switch, KM6(2 for the 8th normally closed switch, KM4(2)) it is the tenth normally closed switch, KM1 is first coil, and KT1 is
First delayer, KT2(1) it is the second delayer, KT3 is third delayer, and KM3 is the 6th coil, and TA1 is the first current sense
Device, KM4(1) it is the 7th coil, KM5 is the 8th coil, and TA2 is the second current sensor, KM6(3) it is the 9th coil.
Specific embodiment
The attached figures are only used for illustrative purposes and cannot be understood as limitating the patent；
In order to better illustrate this embodiment, the certain components of attached drawing have omission, zoom in or out, and do not represent the ruler of actual product
It is very little；
To those skilled in the art, the omitting of some known structures and their instructions in the attached drawings are understandable.
The following further describes the technical solution of the present invention with reference to the accompanying drawings and examples.
Embodiment 1:
The present embodiment provides a kind of mechanical characteristic test systems of high-voltage circuitbreaker, and as shown in Figs. 1-2, the system comprises tests
Instrument, the first relay, the second relay, first time relay, second time relay, the third time relay, contact are opened
Close K1,24V DC power supply, the first test wire terminal, the second test wire terminal, third test wire terminal；
First relay includes the first normal open switch KM1(1), the second normal open switch KM1(2), it is first coil KM1, the 4th normally closed
Switch KM1(4)；
Second relay includes the 4th normal open switch KM2(1), the 5th normal open switch KM2(2), the second normally closed switch KM2(4), the
Four coil KM2；
First time relay includes the first normally closed switch KT1(1), the first delayer KT1；
Second time relay includes third long switch KT2, the second delayer KT2(1)；
The third time relay includes third normally closed switch KT3(1), third delayer KT3；
Tester includes subchannel, closes channel, public passage；
As shown in Figure 1, the subchannel of tester is connect by p-wire with one end of the second normal open switch, the second normal open switch
KM1(2 the other end) is connect by p-wire with the first test wire terminal, and the conjunction channel of tester passes through p-wire and 5 constant virtues
Open switch KM2(2) one end connection, the 5th normal open switch KM2(2) the other end by p-wire with second test wire terminal company
It connects, the public passage of tester is tested wire terminal with third by p-wire and connect；
As shown in Fig. 2, the electrical wiring principle of the system are as follows: one end of contact switch K1 and the anode of DC power supply connect,
The other end is connect with one end of the first normally closed switch KT1(1), the first normally closed switch KT1(1) the other end and first coil KM1
One end connection, the cathode of the other end of first coil KM1 and DC power supply connects, the first normal open switch KM1(1) opened with contact
Pass is connected in parallel；
Second normal open switch KM1(2) one end and the anode of DC power supply connect, the other end and the second normally closed switch KM2(4)
One end connection, the second normally closed switch KM2(4) the other end connect with one end of the first delayer KT1, the first delayer KT1's
The connection of the cathode of the other end and DC power supply, the second delayer KT2(1) it is connected in parallel with the first delayer KT1；
One end of third normal open switch KT2 is connect with DC power anode, one end of the other end and third normally closed switch KT3(1)
Connection, third normally closed switch KT3(1) the other end connect with one end of the 4th coil KM2, the 4th normal open switch KM2(1) and the
Three normal open switch KT2 are connected in parallel；
5th normal open switch KM2(2) one end and the anode of DC power supply connect, the other end and the 4th normally closed switch KM1(4)
One end connection, the 4th normally closed switch KM1(4) the other end connect with one end of third delayer KT3, third delayer KT3's
The connection of the cathode of the other end and DC power supply.
In the specific implementation process, each test wire terminal is accessed into a terminal to be measured first, then staff touches touching
Point switch is started, first coil obtain it is electric, control the first normal open switch KM1(1) closure carry out it is self-locking, be closed at second often
Open switch KM1(2), that is, it is closed the test of subchannel, while starting the first delayer KT1 and being delayed, is opened after time is up
Dynamic first normally closed switch KT1(1) the first relay is disconnected, to disconnect the second normal open switch KM1(2), terminate the examination of subchannel
Test, as the second delayer KT2(1) set by time limit than first delay KT1 device it is long, therefore first disconnect subchannel test,
Start third normal open switch KT2, obtain the 4th coil KM2 electric, the 4th coil KM2 obtains the 4th normal open switch KM2(1 of electric control) into
Row is self-locking, and is closed the 5th normal open switch KM2(2), conjunction Channel Test is carried out, while controlling the second normally closed switch KM2(4) again
Disconnect the second normal open switch KM2(2) where circuit, guarantee the safe operation of tester, the 5th normal open switch KM2(2) closure and
Start third delayer KT2(1) timing is carried out, after time is up, third relay controls third normally closed switch KT3(1) disconnected
The 4th coil KM2 is opened, to disconnect the 5th normal open switch KM2(2), carry out end test.
Embodiment 2:
The present embodiment provides a kind of mechanical characteristic test systems of high-voltage circuitbreaker, and as shown in Figure 3-4, the system comprises tests
Instrument, the first relay, the second relay, first time relay, second time relay, the third time relay, contact are opened
Close K1, DC power supply, the first test wire terminal, the second test wire terminal, third test wire terminal；
First relay includes the first normal open switch KM1(1), the second normal open switch KM1(2), it is first coil KM1, the 4th normally closed
Switch KM1(4)；
Second relay includes the 4th normal open switch KM2(1), the 5th normal open switch KM2(2), the second normally closed switch KM2(4), the
Four coil KM2；
First time relay includes the first normally closed switch KT1(1), the first delayer KT1；
Second time relay includes third long switch KT2, the second delayer KT2(1)；
The third time relay includes third normally closed switch KT3(1), third delayer KT3；
Tester includes subchannel, closes channel, public passage；
As shown in figure 3, the subchannel of tester is connect by p-wire with one end of the second normal open switch, the second normal open switch
KM1(2 the other end) is connect by p-wire with the first test wire terminal, and the conjunction channel of tester passes through p-wire and 5 constant virtues
Open switch KM2(2) one end connection, the 5th normal open switch KM2(2) the other end by p-wire with second test wire terminal company
It connects, the public passage of tester is tested wire terminal with third by p-wire and connect；
As shown in figure 4, the electrical wiring principle of the system are as follows: one end of contact switch K1 and the anode of DC power supply connect,
The other end is connect with one end of the first normally closed switch KT1(1), the first normally closed switch KT1(1) the other end and first coil KM1
One end connection, the cathode of the other end of first coil KM1 and DC power supply connects, the first normal open switch KM1(1) opened with contact
Pass is connected in parallel；
Second normal open switch KM1(2) one end and the anode of DC power supply connect, the other end and the second normally closed switch KM2(4)
One end connection, the second normally closed switch KM2(4) the other end connect with one end of the first delayer KT1, the first delayer KT1's
The connection of the cathode of the other end and DC power supply, the second delayer KT2(1) it is connected in parallel with the first delayer KT1；
One end of third normal open switch KT2 is connect with DC power anode, one end of the other end and third normally closed switch KT3(1)
Connection, third normally closed switch KT3(1) the other end connect with one end of the 4th coil KM2, the 4th normal open switch KM2(1) and the
Three normal open switch KT2 are connected in parallel；
5th normal open switch KM2(2) one end and the anode of DC power supply connect, the other end and the 4th normally closed switch KM1(4)
One end connection, the 4th normally closed switch KM1(4) the other end connect with one end of third delayer KT3, third delayer KT3's
The connection of the cathode of the other end and DC power supply.
The delay time of first time relay be equal to the third time relay delay time, and less than the second time after
The delay time of electric appliance.
The pilot system further includes the first current sensor, the second current sensor, alarm, third relay,
4th relay, the 5th relay, the 6th relay；
Whether the first current sensor TA1 has electric current between the second normal open switch for measuring subchannel；
Whether the second current sensor TA2 has electric current between the 5th normal open switch for measuring conjunction channel；
First relay further includes the 6th normal open switch KM1(3), the 6th normally closed switch KM1(5)；
Second relay further includes the tenth normal open switch KM2(3), the 5th normally closed switch KM2(5)；
First current sensor includes the first sensitive switch TA1(1), the 4th sensitive switch TA1(2)；
Second current sensor includes the second sensitive switch TA2(1), third sensitive switch TA2(2)；
Third relay include the 7th normal open switch KM3(1), the 8th normal open switch KM3(2), the 6th coil KM3；
4th relay includes the 9th normal open switch KM4, the 7th coil KM4(3)；
5th relay include the 11st normal open switch KM5(1), the 12nd normal open switch KM5(2), the 8th coil KM5；
6th relay includes the 13rd normal open switch KM6, the 9th coil KM6(3)；
6th normal open switch KM1(3) one end and the anode of DC power supply connect, the other end and the 5th normally closed switch KM2(5)
One end connection, the 5th normally closed switch KM2(5) the other end connect with one end of the 6th coil KM3, the 6th coil KM3's is another
End is connect with the cathode of DC power supply, the 7th normal open switch KM3(1) it is connected in parallel with the 6th normal open switch KM1(3)；
8th normal open switch KM3(2) one end and the anode of DC power supply connect, the other end and the first current sensor TA1's
One end connection, the other end of the first current sensor TA1 and the other end of DC power supply connect；
First sensitive switch TA1(1) one end and the anode of DC power supply connect, the other end and the 7th coil KM4(3) one end
Connection, the 7th coil KM4(3) the other end and the cathode of DC power supply connect, the 9th normal open switch KM4 and the first sensitive switch
TA1(1 it) is connected in parallel；
Tenth normal open switch KM2(3) one end and the anode of DC power supply connect, the other end and the 6th normally closed switch KM1(5)
One end connection, the 6th normally closed switch KM1(5) the other end and DC power supply cathode connect, the 11st normal open switch KM5(1)
It is connected in parallel with the tenth normal open switch KM2(3)；
12nd normal open switch KM5(2) one end connect with positive pole, one end of the other end and the second current sensor TA2
Connection, the other end of the second current sensor TA2 and the cathode of DC power supply connect；
Second sensitive switch TA2(1) one end and the anode of DC power supply connect, the other end and the 9th coil KM6(3) one end
Connection, the 9th coil KM6(3) the other end and DC power supply cathode connect, the 13rd normal open switch KM6 with second sense open
Close TA2(1) it is connected in parallel；
Third sensitive switch TA2(2) one end and the anode of DC power supply connect, one end of the other end and alarm connects, report
The cathode of the other end and DC power supply of warning device connects, the 4th sensitive switch TA1(2) company in parallel with third sensitive switch TA2(2)
It connects.
The alarm is buzzer.
The DC power supply is 24V DC power supply.
4th relay further includes the 7th normally closed switch KM4(1) and the 9th normally closed switch KM4(2), the 6th relay also wraps
Include the 8th normally closed switch KM6(1) and the tenth normally closed switch KM6(2)；
7th normally closed switch KM4(1) and the 8th normally closed switch KM6(1) connect and access the second normally closed switch KM2(4) and first
Between delayer KT1；
9th normally closed switch KM4(2) and the tenth normally closed switch KM6(2) connect and access the 4th normally closed switch KM1(4) and third
Between delayer KT3；
The pilot system further includes processor, and processor is connect with tester.
The delay time of first time relay and the third time relay is three seconds, when the delay of second time relay
Between be four seconds.
In the specific implementation process, each test wire terminal is accessed into a terminal to be measured first, then staff touches touching
Point switch carries out starting pilot system, and first coil KM1 obtains electric, the second normal open switch KM1(2 of control) closure progress subchannel examination
Test, while the first delayer KT1 and the second timer KT2(1) timing, when tested between when reaching three seconds, first time relay
Device disconnects first coil KM1, makes the second normal open switch KM1(2) disconnect, as the second delayer KT2(1) timing by four seconds when, the
Two time relays control third normal open switch KT2 closure, obtain the 4th coil KM2 electric, control the 5th normal open switch KM2(2)
Closure, while third delayer KT3 carries out timing, when the time reaching three seconds, third is normally closed opens for the control of the third time relay
Close KT3(1) it disconnects, make the 5th normal open switch KM2(2) disconnect, terminate test, after terminating test, tester is transferred data to
Processor carries out aggregation process and output test result；
When testing subchannel, first coil KM1 controls the 6th normal open switch KM1(3) closure, start the first electricity on subchannel
Flow sensor TA1 is closed the 4th current sensing switch TA1(2 if TA1 current sensor has detected electric current) control alarm
Device alarm, is closed at the first sensitive switch TA1(1), obtain the 7th coil KM4 electric, control the 7th normally closed switch KM4(1) and
9th normally closed switch KM4(2) disconnection, when test closes logical, alarms and disconnect by similarly starting the second current sensor TA2, controlling
8th normally closed switch KM6(1) and the tenth normally closed switch KM6(2).
The same or similar label correspond to the same or similar components；
The terms describing the positional relationship in the drawings are only for illustration, should not be understood as the limitation to this patent；
Obviously, the above embodiment of the present invention be only to clearly illustrate example of the present invention, and not be to this hair
The restriction of bright embodiment.For those of ordinary skill in the art, it can also do on the basis of the above description
Other various forms of variations or variation out.There is no necessity and possibility to exhaust all the enbodiments.It is all in the present invention
Spirit and principle within made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the claims in the present invention
Within the scope of shield.
Claims (7)
1. a kind of mechanical characteristic test system of high-voltage circuitbreaker, which is characterized in that the system comprises testers, the first relay
Device, the second relay, first time relay, second time relay, the third time relay, contact switch, DC power supply,
First test wire terminal, the second test wire terminal, third test wire terminal；
First relay includes the first normal open switch, the second normal open switch, first coil, the 4th normally closed switch；
Second relay includes the 4th normal open switch, the 5th normal open switch, the second normally closed switch, the 4th coil；
First time relay includes the first normally closed switch, the first delayer；
Second time relay includes the long switch of third, the second delayer；
The third time relay includes third normally closed switch, third delayer；
Tester includes subchannel, closes channel, public passage；
The subchannel of tester is connect by p-wire with one end of the second normal open switch, and the other end of the second normal open switch passes through
P-wire is connect with the first test wire terminal, and the conjunction channel of tester is connect by p-wire with one end of the 5th normal open switch,
The other end of 5th normal open switch is connect by p-wire with the second test wire terminal, and the public passage of tester passes through p-wire
It is connect with third test wire terminal；
One end of contact switch and the anode of DC power supply connect, and the other end is connect with one end of the first normally closed switch, and first often
One end of the other end and first coil that make and break is closed connects, and the other end of first coil and the cathode of DC power supply connect, and first
Normal open switch is connected in parallel with contact switch；
One end of second normal open switch and the anode of DC power supply connect, and the other end is connect with one end of the second normally closed switch, the
The other end of two normally closed switch is connect with one end of the first delayer, and the other end of the first delayer and the cathode of DC power supply connect
It connects, the second delayer is connected in parallel with the first delayer；
One end of third normal open switch is connect with DC power anode, and the other end is connect with one end of third normally closed switch, third
The other end of normally closed switch is connect with one end of the 4th coil, and the 4th normal open switch is connected in parallel with third normal open switch；
One end of 5th normal open switch and the anode of DC power supply connect, and the other end is connect with one end of the 4th normally closed switch, the
The other end of four normally closed switch is connect with one end of third delayer, and the other end of third delayer and the cathode of DC power supply connect
It connects；
The delay time of first time relay is equal to the delay time of the third time relay, and less than second time relay
Delay time.
2. the mechanical characteristic test system of high-voltage circuitbreaker according to claim 1, which is characterized in that the test system
System further includes the first current sensor, the second current sensor, alarm, third relay, the 4th relay, the 5th relay
Device, the 6th relay；
Whether the first current sensor has electric current between the second normal open switch for measuring subchannel；
Whether the second current sensor has electric current between the 5th normal open switch for measuring conjunction channel；
First relay further includes the 6th normal open switch, the 6th normally closed switch；
Second relay further includes the tenth normal open switch, the 5th normally closed switch；
First current sensor includes the first sensitive switch, the 4th sensitive switch；
Second current sensor includes the second sensitive switch, third sensitive switch；
Third relay includes the 7th normal open switch, the 8th normal open switch, the 6th coil；
4th relay includes the 9th normal open switch, the 7th coil；
5th relay includes the 11st normal open switch, the 12nd normal open switch, the 8th coil；
6th relay includes the 13rd normal open switch, the 9th coil；
One end of 6th normal open switch and the anode of DC power supply connect, and the other end is connect with one end of the 5th normally closed switch, the
The other end of five normally closed switch is connect with one end of the 6th coil, and the other end of the 6th coil and the cathode of DC power supply connect,
7th normal open switch is connected in parallel with the 6th normal open switch；
One end of 8th normal open switch and the anode of DC power supply connect, and one end of the other end and current sensor connects, electric current
The other end of sensor and the other end of DC power supply connect；
One end of first sensitive switch and the anode of DC power supply connect, and the other end is connect with one end of the 7th coil, the 7th line
The other end of circle and the cathode of DC power supply connect, and the 9th normal open switch is connected in parallel with the first sensitive switch；
One end of tenth normal open switch and the anode of DC power supply connect, and the other end is connect with one end of the 6th normally closed switch, the
The other end of six normally closed switch and the cathode of DC power supply connect, and the 11st normal open switch is connected in parallel with the tenth normal open switch；
One end of 12nd normal open switch is connect with positive pole, and the other end is connect with one end of the second current sensor, and second
The other end of current sensor and the cathode of DC power supply connect；
One end of second sensitive switch and the anode of DC power supply connect, and the other end is connect with one end of the 9th coil, the 9th line
The other end of circle and the cathode of DC power supply connect, and the 13rd normal open switch is connected in parallel with the second sensitive switch；
One end of third sensitive switch and the anode of DC power supply connect, and one end of the other end and alarm connects, alarm
The connection of the cathode of the other end and DC power supply, the 4th sensitive switch are connected in parallel with third sensitive switch.
3. the mechanical characteristic test system of high-voltage circuitbreaker according to claim 2, which is characterized in that the alarm
For buzzer.
4. the mechanical characteristic test system of high-voltage circuitbreaker according to claim 2 or 3, which is characterized in that the 4th relay
Device further includes the 7th normally closed switch and the 9th normally closed switch, and the 6th relay further includes that the 8th normally closed switch and the tenth normally closed open
It closes；
7th normally closed switch and the 8th normally closed switch are connected and are accessed between the second normally closed switch and the first delayer；
9th normally closed switch and the tenth normally closed switch are connected and are accessed between the 4th normally closed switch and third delayer.
5. the mechanical characteristic test system of high-voltage circuitbreaker according to claim 1, which is characterized in that the test system
System further includes processor, and processor is connect with tester.
6. the mechanical characteristic test system of high-voltage circuitbreaker according to claim 1, which is characterized in that first time relay
The delay time of device and the third time relay is three seconds, and the delay time of second time relay is four seconds.
7. the mechanical characteristic test system of high-voltage circuitbreaker according to claim 1, which is characterized in that the direct current
Source is 24V DC power supply.
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| CN201910074240.9A CN109580211B (en) | 2019-01-25 | 2019-01-25 | Mechanical characteristic test system of high-voltage circuit breaker |
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| CN201910074240.9A CN109580211B (en) | 2019-01-25 | 2019-01-25 | Mechanical characteristic test system of high-voltage circuit breaker |
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| CN109580211B (en) | 2020-12-15 |
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