CN208270653U - A kind of metro traction system high-speed contact of breaker contact resistance test device - Google Patents
A kind of metro traction system high-speed contact of breaker contact resistance test device Download PDFInfo
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- CN208270653U CN208270653U CN201820944760.1U CN201820944760U CN208270653U CN 208270653 U CN208270653 U CN 208270653U CN 201820944760 U CN201820944760 U CN 201820944760U CN 208270653 U CN208270653 U CN 208270653U
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Abstract
The utility model relates to a kind of metro traction system high-speed contact of breaker contact resistance test devices.Including relay HBK1, relay HBK2, resistance R1, resistance R2, resistance R3, over-voltage absorbing sheet GY1, over-voltage absorbing sheet GY2, diode V1, diode V2, switch K1, switch K2, switch K3, switch K4, switch K5, switch K6, indicator light LED1, indicator light LED2, indicator light LED3, a resistance meter RT.Contact resistance is tested when this test device mainly solves test item high-speed circuit breaker main contact and auxiliary contact actuation, especially for the normally opened contact of high-speed circuit breaker main contact and auxiliary contact, it can not be attracted by manpower manual, it is necessary to which control is implemented by exclusive control circuit.
Description
Technical field
The utility model relates to resistance testing device technical field, in particular to a kind of metro traction system high-speed breaker
Contact resistance test device.
Background technique
Urban track traffic market develops rapidly in recent years, wherein railcar is as an important system, by wide
General concern.The complicated and complete system that railcar is made of many components and subsystem, at the initial stage of putting into effect, due to
Adjustment between each component and subsystem often has relatively high failure rate；After a period of time, failure rate slowly declines
And enter a stable state；But with the accumulation of the increase of vehicle hour and distance travelled, some components by
Performance is caused to decline in the factors such as abrasion, aging, fatigue, contaminated, reliability reduces, and increases vehicle trouble rate, even
It may cause security risk.Therefore, general railcar operation 6 years or distance travelled reach 600,000 kilometers or so and need to carry out frame
Xiu.
Core equipment of the electric traction system as railcar becomes the main guarantor of Development of underground railway with its high technology content
Barrier.During Jia Xiu, wherein critically important one is exactly main contact and auxiliary contact to trailer system high speed breaker
Contact resistance is tested, to judge that can high-speed circuit breaker normal use.If test result is unsatisfactory for standard requirements, then need
Its main contact and auxiliary contact are replaced.For the test needs for meeting main contact and auxiliary contact contact resistance, need to develop
The testing requirement of high-speed circuit breaker main contact and auxiliary contact contact resistance may be implemented in a kind of device.
Utility model content
Purpose of the utility model is to solve the above problems and provide a kind of metro traction system high-speed contact of breaker to connect
Resistance testing device is touched, can realize the security control of actuation, the shutdown of detection device and test item high-speed circuit breaker.
To solve the above-mentioned problems, the technical solution adopted in the utility model is as follows:
A kind of metro traction system high-speed contact of breaker contact resistance test device, including such as lower component: relay
HBK1, relay HBK2, resistance R1, resistance R2, resistance R3, over-voltage absorbing sheet GY1, over-voltage absorbing sheet GY2, diode V1, two
Pole pipe V2, switch K1, switch K2, switch K3, switch K4, switch K5, switch K6, indicator light LED1, indicator light LED2, indicator light
LED3, a resistance meter RT；
It is connected on the external power supply DC110V feeder ear of device after external power supply DC110V tandem tap K1, is supplied for device
Electricity；
Loop A 1+, the loop A 2- of relay HBK1, normally opened contact A22, normally opened contact A21 tandem tap K2 are followed by dress
On the external power supply DC110V feeder ear set, loop A 1+, the parallel connection over-voltage of the both ends loop A 2- absorbing sheet GY1, normally opened contact A22,
The both ends normally opened contact A21 parallel resistance R2；
Coil B1+, the coil B2- of relay HBK2, normally opened contact B22, normally opened contact B21 tandem tap K3 are followed by dress
On the external power supply DC110V feeder ear set, coil B1+ and the parallel connection over-voltage of the both ends coil B2- absorbing sheet GY2, normally opened contact B22,
The both ends normally opened contact B21 parallel resistance R3；
Normally opened contact 3/L2, the normally opened contact 4/T2 of relay HBK1, normally opened contact 2/T1, normally opened contact 1/L1 and two
Pole pipe V1, resistance R1 series connection after connect again with the normally opened contact B4 of test item high-speed circuit breaker HB, normally opened contact B3, then with subject
Coil U+, coil the V- series connection of product high-speed circuit breaker HB is followed by the external power supply DC110V feeder ear of device；
Diode V2 is parallel to the coil U+ of test item high-speed circuit breaker HB, the both ends coil V-；
Normally opened contact 3/L2, the normally opened contact 4/T2 of relay HBK1, normally opened contact 2/T1, normally opened contact 1/L1 with after
Normally opened contact 1/L1, the normally opened contact 2/T1 of electric appliance HBK2, normally opened contact 3/L2, normally opened contact 4/T2, normally opened contact 5/L3,
Normally opened contact 6/T3 series connection after connect again with the normally opened contact B4 of test item high-speed circuit breaker HB, normally opened contact B3, then with subject
Coil U+, coil the V- series connection of product high-speed circuit breaker HB is followed by the DC110V feeder ear of device；
Normally opened contact 3/L2, the normally opened contact 4/T2 of relay HBK1, normally opened contact 2/T1, normally opened contact 1/L1 and finger
Show that lamp LED1 series connection is followed by the external power supply DC110V feeder ear of device；
Normally-closed contact B2, the normally-closed contact B1 of test item high-speed circuit breaker HB connects with indicator light LED2 is followed by device
On external power supply DC110V feeder ear；
Normally-closed contact 14, the normally-closed contact 13 of relay HBK2 is connected with indicator light LED3 is followed by the external power supply of device
On DC110V feeder ear；
Resistance meter RT tandem tap K4 is followed by the external power supply DC110V feeder ear of device；
Resistance meter RT tandem tap K5 is followed by requiring the auxiliary contact tested to test item high-speed circuit breaker HB
On normally opened contact H7；
Resistance meter RT tandem tap K6 is followed by requiring the main contact H8 tested to test item high-speed circuit breaker HB
On.
The actuation and shutdown of test item high-speed circuit breaker HB is controlled by relay HBK1, relay HBK2；Relay HBK1,
Over-voltage, the overcurrent protection of relay HBK2 is realized by resistance R2, resistance R3 and over-voltage absorbing sheet GY1, over-voltage absorbing sheet GY2；Two
Pole pipe V1, diode V2 play the role of protecting test item high-speed circuit breaker HB main coil；By one to test item high speed open circuit
The resistance R1 that device HB off-load is attracted avoids test item high-speed circuit breaker HB main coil from holding by circuital current by 10A off-load to 0.4A
It is continuous to be damaged by high current；Resistance meter RT is connect with test item high-speed circuit breaker HB contact, can be opened by button
It closes and realizes that test item high-speed circuit breaker HB carries out contact resistance test while safety is attracted immediately.
It joined resistance R2, resistance at relay HBK1, the normally opened contact A22 of relay HBK2, the both ends normally opened contact A21
R3；It joined over-voltage absorbing sheet GY1, over-voltage absorbing sheet at relay HBK1, relay HBK2 loop A 1+, the both ends loop A 2-
GY2；It joined resistance R1 in the normally opened contact B4 of test item high-speed circuit breaker HB, the front end normally opened contact B3.Above, it can be achieved that by
Test product high-speed circuit breaker HB is attracted and the security control of shutdown.
The working principle of the utility model are as follows: the switch K1 on closing device, device obtain the start-up operation of DC110V direct current.
Indicator light LED2, indicator light LED3 lamp.Closure switch K4, resistance meter RT work once electrified.
Closure switch K2, relay HBK1 loop A 1+, loop A 2- obtain electric, relay HBK1 actuation, over-voltage absorbing sheet GY1
Over-voltage issuable on route is absorbed, and then protective relay HBK1 coil；The normally-closed contact 21 of HBK1, normally closed touching
Point 22 disconnects, and electric current flows to relay HBK1 coil after passing through resistance R2 off-load, and relay HBK1 coil is avoided to pass through high current
It damages；Normally opened contact 3/L2, the normally opened contact 4/T2 of relay HBK1, normally opened contact 2/T1, normally opened contact 1/L1 are closed
Close, indicator light LED1 lights, display relay HBK1 be electric attracting state.
Closure switch K3, relay HBK2 loop A 1+, loop A 2- obtain electric, relay HBK2 actuation, over-voltage absorbing sheet GY2
Over-voltage issuable on route is absorbed, and then protective relay HBK2 coil；The normally-closed contact 21 of HBK2, normally closed touching
Point 22 disconnects, and electric current flows to relay HBK2 coil after passing through resistance R3 off-load, and relay HBK2 coil is avoided to pass through high current
It damages；Normally-closed contact 13, the normally-closed contact 14 of relay HBK2 disconnects, and indicator light LED2 extinguishes, and shows relay HBK2
To obtain electric attracting state.
Normally opened contact 1/L1, the normally opened contact 2/T1 of relay HBK2, normally opened contact 3/L2, normally opened contact 4/T2, it is normally opened
Contact 5/L3, normally opened contact 6/T3 closure, test item high-speed circuit breaker HB coil U+, coil V- obtain electric, high-speed circuit breaker actuation,
Diode V2 can prevent that test item high-speed circuit breaker HB coil is caused to damage because of the positive and negative wrong of given voltage, play protection subject
The effect of product high-speed circuit breaker HB coil；Test item high-speed circuit breaker HB normally opened contact B3, normally opened contact B4 closure；Test item is high
Fast breaker HB normally-closed contact B1, normally-closed contact B2 are disconnected, and indicator light LED2 goes out, and display test item high-speed circuit breaker HB is to be attracted
State.
Since test item high-speed circuit breaker HB coil cannot bear always the 10A electric current after its actuation, so being opened in closure
K3 must be disconnected immediately after closing the 1s of K3, and relay HBK2 power loss disconnects, normally opened contact 1/L1, the normally opened contact 2/ of relay HBK2
T1, normally opened contact 3/L2, normally opened contact 4/T2, normally opened contact 5/L3, normally opened contact 6/T3 disconnect, electric current by diode V1,
Resistance R1, the auxiliary contact B3 of test item high-speed circuit breaker HB, auxiliary contact B4 flow to the coil of test item high-speed circuit breaker HB,
To keep the actuation of test item high-speed circuit breaker HB；Resistance R1 plays the role of electric current off-load, by circuital current by 10A off-load to
0.4A avoids the coil of test item high-speed circuit breaker HB from continuing through high current and damage；Diode V1 can prevent because
The positive and negative wrong of given voltage causes the coil of test item high-speed circuit breaker HB to damage, and plays protection test item high-speed circuit breaker HB line
The effect of circle.
Test item high-speed circuit breaker HB is attracted, i.e., its main contact and auxiliary contact normally opened contact are attracted.At this point, being closed immediately
Switch K6, test device can directly display test item high-speed circuit breaker HB main contact contact resistance numerical value, it is desirable that test item high speed
Breaker HB main contact contact resistance≤500 μ Ω, such as it is undesirable, then must to test item high-speed circuit breaker HB main contact into
Row replacement.Similarly, combination switch K5 can test test item high-speed circuit breaker HB auxiliary contact normally opened contact contact resistance, it is desirable that connect
Get an electric shock resistance≤500m Ω, such as undesirable, then must replace to test item high-speed circuit breaker HB auxiliary contact.
The utility model has the following beneficial effects: this test device mainly solves test item high-speed circuit breaker main contact and auxiliary
Contact resistance test when contact is attracted, especially for test item high-speed circuit breaker main contact and auxiliary contact normally opened contact,
It can not be attracted by manpower manual, it is necessary to which control is implemented by exclusive control circuit.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of metro traction system high-speed contact of breaker contact resistance test device circuit theory of the utility model
Figure.
Specific embodiment
The preferred embodiment of the utility model is described in detail with reference to the accompanying drawing, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, to make the protection scope of the utility model apparent clear
Define.
Refering to shown in Figure of description 1, a kind of metro traction system high-speed contact of breaker contact resistance test device is wrapped
Include such as lower component: relay HBK1, relay HBK2, resistance R1, resistance R2, resistance R3, over-voltage absorbing sheet GY1, over-voltage absorb
Piece GY2, diode V1, diode V2, switch K1, switch K2, switch K3, switch K4, switch K5, switch K6, indicator light LED1,
Indicator light LED2, indicator light LED3, a resistance meter RT；
It is connected on the external power supply DC110V feeder ear of device after external power supply DC110V tandem tap K1, is supplied for device
Electricity；
Loop A 1+, the loop A 2- of relay HBK1, normally opened contact A22, normally opened contact A21 tandem tap K2 are followed by dress
On the external power supply DC110V feeder ear set, loop A 1+, the parallel connection over-voltage of the both ends loop A 2- absorbing sheet GY1, normally opened contact A22,
The both ends normally opened contact A21 parallel resistance R2；
Coil B1+, the coil B2- of relay HBK2, normally opened contact B22, normally opened contact B21 tandem tap K3 are followed by dress
On the external power supply DC110V feeder ear set, coil B1+, the parallel connection over-voltage of the both ends coil B2- absorbing sheet GY2, normally opened contact B22,
The both ends normally opened contact B21 parallel resistance R3；
Normally opened contact 3/L2, the normally opened contact 4/T2 of relay HBK1, normally opened contact 2/T1, normally opened contact 1/L1 and two
Pole pipe V1, resistance R1 series connection after connect again with the normally opened contact B4 of test item high-speed circuit breaker HB, normally opened contact B3, then with subject
Coil U+, coil the V- series connection of product high-speed circuit breaker HB is followed by the external power supply DC110V feeder ear of device；
Diode V2 is parallel to the coil U+ of test item high-speed circuit breaker HB, the both ends coil V-；
Normally opened contact 3/L2, the normally opened contact 4/T2 of relay HBK1, normally opened contact 2/T1, normally opened contact 1/L1 with after
Normally opened contact 1/L1, the normally opened contact 2/T1 of electric appliance HBK2, normally opened contact 3/L2, normally opened contact 4/T2, normally opened contact 5/L3,
Normally opened contact 6/T3 series connection after connect again with the normally opened contact B4 of test item high-speed circuit breaker HB, normally opened contact B3, then with subject
Coil U+, coil the V- series connection of product high-speed circuit breaker HB is followed by the DC110V feeder ear of device；
Normally opened contact 3/L2, the normally opened contact 4/T2 of relay HBK1, normally opened contact 2/T1, normally opened contact 1/L1 and finger
Show that lamp LED1 series connection is followed by the external power supply DC110V feeder ear of device；
Normally-closed contact B2, the normally-closed contact B1 of test item high-speed circuit breaker HB connects with indicator light LED2 is followed by device
On external power supply DC110V feeder ear；
Normally-closed contact 14, the normally-closed contact 13 of relay HBK2 is connected with indicator light LED3 is followed by the external power supply of device
On DC110V feeder ear；
Resistance meter RT tandem tap K4 is followed by the external power supply DC110V feeder ear of device；
Resistance meter RT tandem tap K5 is followed by requiring the auxiliary contact tested to test item high-speed circuit breaker HB
On normally opened contact H7；
Resistance meter RT tandem tap K6 is followed by requiring the main contact H8 tested to test item high-speed circuit breaker HB
On.
Test item high-speed circuit breaker HB in this specific embodiment is attracted and turns off and controlled by relay HBK1, relay HBK2
System；Relay HBK1, the over-voltage of relay HBK2, overcurrent protection are inhaled by resistance R2, resistance R3 and over-voltage absorbing sheet GY1, over-voltage
The GY2 that takes up is realized；Diode V1, diode V2 play the role of protecting test item high-speed circuit breaker HB coil；It is right by one
The resistance R1 that test item high-speed circuit breaker HB off-load is attracted avoids the high quick-break of test item by circuital current by 10A off-load to 0.4A
Road device HB coil continues through high current and damages；Resistance meter RT is connect with test item high-speed circuit breaker HB contact,
Contact resistance test is carried out immediately while can realizing that test item high-speed circuit breaker HB is attracted safely by toggle switch.In relay
Device HBK1, the normally opened contact 21 of relay HBK2,22 both ends of normally opened contact joined resistance R2, resistance R3；Relay HBK1,
Relay HBK2 loop A 1+, the both ends loop A 2- joined over-voltage absorbing sheet GY1, over-voltage absorbing sheet GY2；In the high quick-break of test item
Road device HB normally opened contact B4, the front end normally opened contact B3 joined resistance R1.Above, it can be achieved that high-speed circuit breaker was attracted and turned off
Security control.
Basic principles, main features, and advantages of the present invention has been shown and described above.Current row
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, retouching in above embodiments and description
The preference of only the utility model is stated, the utility model is not limited by above-mentioned preference, is not departing from the utility model
Under the premise of spirit and scope, the utility model can also have various changes and modifications, these changes and improvements both fall within practical
In novel claimed range.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (1)
1. a kind of metro traction system high-speed contact of breaker contact resistance test device, which is characterized in that including such as lower component:
Relay HBK1, relay HBK2, resistance R1, resistance R2, resistance R3, over-voltage absorbing sheet GY1, over-voltage absorbing sheet GY2, diode
V1, diode V2, switch K1, switch K2, switch K3, switch K4, switch K5, switch K6, indicator light LED1, indicator light LED2,
Indicator light LED3, a resistance meter RT；
It is connected on the external power supply DC110V feeder ear of device after external power supply DC110V tandem tap K1, powers for device；
Loop A 1+, the loop A 2- of relay HBK1, normally opened contact A22, normally opened contact A21 tandem tap K2 are followed by device
It is loop A 1+, the parallel connection over-voltage of the both ends loop A 2- absorbing sheet GY1, normally opened contact A22, normally opened on external power supply DC110V feeder ear
21 both ends parallel resistance R2 of contact A；
Coil B1+, the coil B2- of relay HBK2, normally opened contact B22, normally opened contact B21 tandem tap K3 are followed by device
It is coil B1+, the parallel connection over-voltage of the both ends coil B2- absorbing sheet GY2, normally opened contact B22, normally opened on external power supply DC110V feeder ear
The contact both ends B21 parallel resistance R3；
Normally opened contact 3/L2, the normally opened contact 4/T2 of relay HBK1, normally opened contact 2/T1, normally opened contact 1/L1 and diode
V1, resistance R1 series connection, then connect with the normally opened contact B4 of test item high-speed circuit breaker HB, normally opened contact B3, then with test item height
Coil U+, coil the V- series connection of fast breaker HB is followed by the external power supply DC110V feeder ear of device；
Diode V2 is parallel to the coil U+ of test item high-speed circuit breaker HB, the both ends coil V-；
Normally opened contact 3/L2, the normally opened contact 4/T2 of relay HBK1, normally opened contact 2/T1, normally opened contact 1/L1 and relay
Normally opened contact 1/L1, the normally opened contact 2/T1 of HBK2, normally opened contact 3/L2, normally opened contact 4/T2, it is normally opened contact 5/L3, normally opened
Contact 6/T3 series connection after connect again with the normally opened contact B4 of test item high-speed circuit breaker HB, normally opened contact B3, then with test item height
Coil U+, coil the V- series connection of fast breaker HB is followed by the external power supply DC110V feeder ear of device；
Normally opened contact 3/L2, the normally opened contact 4/T2 of relay HBK1, normally opened contact 2/T1, normally opened contact 1/L1 and indicator light
LED1 series connection is followed by the external power supply DC110V feeder ear of device；
Normally-closed contact B2, the normally-closed contact B1 of test item high-speed circuit breaker HB connects with indicator light LED2 is followed by the external of device
On power supply DC110V feeder ear；
Normally-closed contact 14, the normally-closed contact 13 of relay HBK2 is connected with indicator light LED3 is followed by the external power supply of device
On DC110V feeder ear；
Resistance meter RT tandem tap K4 is followed by the external power supply DC110V feeder ear of device；
Resistance meter RT tandem tap K5 is followed by requiring the auxiliary contact tested normally opened to test item high-speed circuit breaker HB
On the H7 of contact；
Resistance meter RT tandem tap K6 is followed by test item high-speed circuit breaker HB requiring on the main contact H8 tested.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820944760.1U CN208270653U (en) | 2018-06-20 | 2018-06-20 | A kind of metro traction system high-speed contact of breaker contact resistance test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820944760.1U CN208270653U (en) | 2018-06-20 | 2018-06-20 | A kind of metro traction system high-speed contact of breaker contact resistance test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208270653U true CN208270653U (en) | 2018-12-21 |
Family
ID=64690854
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820944760.1U Active CN208270653U (en) | 2018-06-20 | 2018-06-20 | A kind of metro traction system high-speed contact of breaker contact resistance test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208270653U (en) |
-
2018
- 2018-06-20 CN CN201820944760.1U patent/CN208270653U/en active Active
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