CN109828203A - A kind of relay contact automatic detection device and detection method - Google Patents
A kind of relay contact automatic detection device and detection method Download PDFInfo
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- CN109828203A CN109828203A CN201910211803.4A CN201910211803A CN109828203A CN 109828203 A CN109828203 A CN 109828203A CN 201910211803 A CN201910211803 A CN 201910211803A CN 109828203 A CN109828203 A CN 109828203A
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- 238000001514 detection method Methods 0.000 title claims abstract description 114
- 230000005611 electricity Effects 0.000 claims abstract description 44
- 238000004140 cleaning Methods 0.000 claims abstract description 43
- 238000012360 testing method Methods 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims description 12
- 230000007935 neutral effect Effects 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 8
- 238000007689 inspection Methods 0.000 claims description 4
- 230000005856 abnormality Effects 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 230000015556 catabolic process Effects 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 claims 2
- 230000003647 oxidation Effects 0.000 claims 1
- 238000007254 oxidation reaction Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008439 repair process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
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Abstract
The invention belongs to relay test technical fields, specially a kind of relay contact automatic detection device, including power module, detection circuit module and measured relay socket, detection circuit module relay contact detection module, relay contact electricity cleaning module, relay resistance detection module.Switch, the time relay and circulation relay are respectively provided on the relay contact detection circuit and relay contact electricity cleaning circuit, wherein the on-off of time relay control loop relay；The relay contact electricity cleaning circuit further includes independent branch, and discharge resistance is arranged in branch road, and is directly connected to measured relay socket；Resistance display and switch are set on the relay resistance detecting circuit.It can carry out relay contact detection, the cleaning of relay contact electricity and relay resistance test respectively to relay, it is full-featured, it can accurately know relay fault point, can efficiently complete the Detection task of electric car relay.
Description
Technical field
The invention belongs to relay test technical field, specially one kind can carry out contact to each relay of railcar
Motion detection, the automatic measurement technique of the cleaning of contact electricity, contact resistance detection, the detection of coil resistance value.
Background technique
Currently, railcar is during operation, caused by repeatedly occurring because of relay failure or doubtful relay failure
Operation is interrupted, and the normal operation for largely affecting railcar generates.Meanwhile in handling failure, existing means
The excessively original demand for not being able to satisfy actual production, usually using artificial pressing, pull-in winding detects relay by force, or
Person directly exchanges suspected malfunctions relay；Actually these methods all be there is a problem that very big, not the clear relay
More there is human error in fault point, so can not find out the true fault of relay under normal circumstances.
Moreover relay maintenance requires every two years primary periodically relay function detection, at that time by relay producer
It specially sends people over here to fetch detection relay, detection cycle is very long the problems such as due to operation plan, stroke, exists with actual production
Very big conflict, seriously affects the subway production and operation.Early period, producer was periodically detected the relay of completion, or existed many different
Failure problems in degree really detect quality for the producer and need to be investigated.
Summary of the invention
The purpose of the present invention is to provide a kind of relay contact automatic detection device, which is largely solved
The test problems of relay multiple functions, in the case where not increasing extras, foundation meets subway electric bus relay
Test function device enhances the investigation mode of current relay failure, alleviates the incidence of relay suspected malfunctions, saves
Manpower and material resources, the safe operation for electric car provide reliable guarantee.
Relay contact automatic detection device has carried out specific aim according to relays various types of in subway electric bus and has set
Meter, can preferably meet the relay repair plan of subway electric bus, it repairs journey, difference for relay different model, difference
Environment has carried out the rational deployment of function, and the Detection task of the relay of completion subway electric bus that can be more efficient, the later period can
Detection, the maintenance cost of relay will be substantially reduced after the batch production and application of prediction, and improves relay work quality.
This technology scheme used for the above purpose is: a kind of relay contact automatic detection device, including electricity
Source module, detection circuit module and measured relay socket, it is characterised in that: the detection circuit module includes relay contact
Detection circuit, relay contact electricity cleaning circuit, relay resistance detecting circuit, each circuit are separately connected power module and are tested
Relay socket, and respectively constitute relay contact detection module, relay contact electricity cleaning module, relay resistance detection mould
Block.
In above-mentioned technical proposal be provided with a plurality of test circuit, relay can be carried out respectively relay contact detection,
The cleaning of relay contact electricity and relay resistance test, it is full-featured, it can accurately know relay fault point, Ke Yigao
The Detection task of electric car relay is completed on effect ground, due to that can carry out self-service maintenance to relay by the device, to save
Relay is gone to return the time of factory's repair maintenance, so as to complete check man in the case where not influencing electric car normal operation
Make.
Preferably, switch, time are respectively provided on the relay contact detection circuit and relay contact electricity cleaning circuit
Relay and circulation relay, the wherein on-off of time relay control loop relay；The relay contact electricity cleaning electricity
Road further includes independent branch, and discharge resistance is arranged in branch road, and is directly connected to measured relay socket；The relay electricity
It hinders and resistance display and switch is set in detection circuit.And counter is respectively set in circulation relay, for recording circulation relay
Device cycle-index.
Using circulation relay in the detection of measured relay contact and electric cleaning circuit, cooperate the time relay, this can
So that measured relay completes fixed number of times on off operating mode and in addition cleans process in contact electricity, also can be convenient to measured relay
The cleanup action of time is fixed.
Preferably, the power module includes change-over switch and transformer, and wherein change-over switch includes left shelves, neutral gear and the right side
Shelves, left shelves control relay contact detection circuit and relay contact electricity cleaning circuit, right shelves control relay resistance detection mould
Block；Transformer is respectively provided on three test circuits, transformer inputs connect change-over switch, and output end connects corresponding electricity
Road.Voltage needed for different overhauling projects is different, and external power supply can be changed into each circuit normal work using transformer needs
The voltage wanted, to guarantee each function normal use of device.
Preferably, the relay resistance detecting circuit includes relay contact resistance detecting circuit and relay coil electricity
Detection circuit is hindered, two kinds of detection circuits can detect relay contact resistance and relay-coil resistance respectively, increase the inspection
The function of surveying device, can more fully detect relay.
Preferably, the power supply of the device is the alternating current of 220V；The transformer includes 110V transformer, 24V change
Depressor and 9V transformer, wherein 110V transformer output end is separately connected measured relay pedestal, relay contact detection circuit
24V transformer is connected with the branch of relay contact electricity cleaning circuit, relay contact electricity cleaning circuit；9V transformer output end
Connect relay resistance detecting circuit.
Preferably, tap changer is set on the connection circuit of 110V transformer and measured relay pedestal, is arranged simultaneously
Voltmeter.The measured relay of different model is needed using different voltage, by the adjustable voltage of tap changer, to make
The device meets the maintenance to different relays.
Preferably, be arranged in switch on relay contact detection circuit and relay contact electricity cleaning circuit be it is self-locking by
Button, the switch being arranged on relay resistance detecting circuit are Self-resetting button.Due to contact detection circuitry and relay contact
It is provided with the time relay on electric cleaning circuit, and the course of work needs the regular hour, locking press button is set, it is self-locking pressing
After button, manpower is left, and route in an ON state, can leave circulation relay enough working times for, wait the times at this time
After relay reaches schedule operating time, circulation relay can be automatically controlled and disconnected, at this time Manual press locking press button again, route
It disconnects, such design can save manpower.Since resistance test can both have been completed in the moment that route is connected, opened
Pass is arranged to Self-resetting button, and the moment pressed completes test, unclamps i.e. cutting circuit.
The present invention also provides a kind of methods using device detection relay: first checking that relay contact is automatic using preceding
Detection device appearance simultaneously correctly connects relay contact automatic detection device external power supply；
When A. carrying out relay contact detection mode, change-over switch is converted to left shelves, according to measured relay model, rotation
Modulation compresses switch, and then measured relay is inserted on measured relay pedestal, presses the switch I on the measurement circuit at this time,
At this time device to measured relay be fixed number contact detect, after the detection for completing preset times, on the route when
Between relay I control loop relay I stop working, press switch I again, detection route disconnects, and completes detection；The mode
Under, circulation relay is set into fixed action frequency and makes tested magnitude, when detection relay completes fixed number of times on-off
After state, reads measured relay contact action frequency and compared with fixed action value, to actual act frequency abnormality
Relay carries out breakdown judge.
B. then step A presses the switch II in respective lines when carrying out the cleaning of relay contact electricity, using it is another solely
Vertical DC power supply export a 24V 2A direct current surface short time arcing cleaning carries out it to the electric discharge of measured relay contact
Oxide layer；The electric discharge operation of number contact is fixed to measured relay contact in device at this time, and reality is recorded on counter
Action frequency, when stopping, press lower switch II again, meanwhile, rotation change-over switch to neutral gear；
When C. carrying out relay contact resistance detection, change-over switch is rotated to right shelves, pins opening for contact detection line road
III is closed, device detects measured relay contact, and resistance value is shown on corresponding ohmmeter, and when stopping, release is opened
Close III；
D. the detection of relay-coil resistance value is carried out after step c, presses the switch IV in respective lines, device is to quilt
It surveys relay coil to be detected, and shows resistance value on corresponding ohmmeter；When stopping, trip switch IV.
After the completion of measured relay detection, change-over switch is first rotated to neutral gear, further takes out measured relay.
Preferably, the automatic detection time of relay contact is 6 minutes, and each actuation time is 2 seconds, and amounting to number is 180
It is secondary；Relay contact electricity cleaning time is 1 minute, and each actuation time is 2 seconds, and amounting to number is 30 times.According to specific requirements,
Contact detection and electricity clean working time can also be changed.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is the principle of the present invention schematic diagram.
Specific embodiment
Presently filed embodiment is described in detail below in conjunction with accompanying drawings and embodiments, how the application is applied whereby
Technological means solves technical problem and reaches the realization process of technical effect to fully understand and implement.
Referring to Fig. 1, the present invention provides a kind of embodiment: a kind of relay contact automatic detection device, including power supply mould
Block, detection circuit module and measured relay socket, the detection circuit module include relay contact detection circuit, relay
Contact electricity cleaning circuit, relay resistance detecting circuit, each circuit is separately connected power module and measured relay socket, and divides
It Gou Cheng not relay contact detection module, relay contact electricity cleaning module, relay resistance detection module.
Switch I, time relay I and circulation relay I, relay contact are wherein set on relay contact detection circuit
Switch II, time relay II and circulation relay II are set on electric cleaning circuit, wherein time relay control loop relay
The on-off of device；The relay contact electricity cleaning circuit further includes independent branch, and discharge resistance is arranged in branch road, and directly
Connect measured relay socket；And two circulation relays respectively correspond setting setting counter I and counter II, for recording
Recycle relay cycle-index.
Relay resistance detecting circuit includes relay contact resistance detecting circuit and relay-coil resistance detection circuit,
Resistance display I, switch III and resistance display II, switch IV are respectively set on two circuits.
Using circulation relay in the detection of measured relay contact and electric cleaning circuit, cooperate the time relay, this can
So that measured relay complete fixed number of times on off operating mode in addition in contact clean process, also can be convenient to measured relay into
The cleanup action of row set time.
Power module includes change-over switch and transformer, and wherein change-over switch includes left shelves, neutral gear and right shelves, left shelves control
Relay contact detection circuit and relay contact electricity cleaning circuit, right shelves control relay resistance detection module；Three tests
Transformer is respectively provided on circuit, transformer inputs connect change-over switch, and output end connects corresponding circuit.Different inspections
The difference of voltage needed for project is repaired, external power supply can be changed into each circuit using transformer and work normally required voltage, from
And guarantee each function normal use of device.Wherein change-over switch is directly connected to the alternating-current power supply of 220V；The transformer includes
110V transformer, 24V transformer and 9V transformer, wherein 110V transformer output end be separately connected measured relay pedestal, after
The branch of appliance contact detection circuit and relay contact electricity cleaning circuit, relay contact electricity cleaning circuit connects 24V transformation
Device；9V transformer output end connects relay resistance detecting circuit.
Tap changer is set on the connection circuit of 110V transformer and measured relay pedestal, while voltmeter is set.
The measured relay of different model is needed using different voltage, by the adjustable voltage of tap changer, to make the device
Meet the maintenance to different relays.
In embodiment, switch I used is good and switch II is locking press button, and opening on relay resistance detecting circuit is arranged in
Closing is Self-resetting button.Due to being provided with the time relay, and work on contact detection circuitry and relay contact electricity cleaning circuit
The regular hour is needed as process, locking press button is set, after pressing locking press button, manpower is left, and route, which is in, at this time connects
State can leave circulation relay enough working times for, after waiting the time relays to reach schedule operating time, can control automatically
System circulation relay disconnects, and Manual press locking press button, route disconnect again at this time, and such design can save manpower.
When being tested using the device relay, it is first determined detection device itself it is intact, then connect outer
Power supply is connect, using including four types:
When A. carrying out relay contact detection mode, change-over switch is converted to left shelves, according to measured relay model, rotation
Modulation compresses switch, and then measured relay is inserted on measured relay pedestal, presses the switch I on the measurement circuit at this time,
The contact that number is fixed to measured relay in device at this time is detected, and the automatic detection time of relay contact is 6 minutes, every time
Actuation time is 2 seconds, and amounting to number is 180 times, after the detection for completing preset times, the time relay I control on the route
Circulation relay I stops working, and presses switch I again, and detection route disconnects, and completes detection；Under the mode, relay will be recycled
It sets fixed action frequency and makes tested magnitude, after detecting relay completion fixed number of times on off operating mode, read tested
Relay contact action frequency is simultaneously compared with fixed action value, is carried out failure to the relay of actual act frequency abnormality and is sentenced
It is disconnected.
B. then step A presses the switch II in respective lines when carrying out the cleaning of relay contact electricity, using it is another solely
Vertical DC power supply export a 24V 2A direct current surface short time arcing cleaning carries out it to the electric discharge of measured relay contact
Oxide layer, relay contact electricity cleaning time are 1 minute, and each actuation time is 2 seconds, and amounting to number is 30 times；Device at this time
The electric discharge operation of number contact is fixed to measured relay contact, and records actual act number on counter, when stopping
Lower switch II is pressed again, meanwhile, rotation change-over switch to neutral gear；
When C. carrying out relay contact resistance detection, change-over switch is rotated to right shelves, pins opening for contact detection line road
III is closed, device detects measured relay contact, and resistance value is shown on corresponding ohmmeter, and when stopping, release is opened
Close III；
D. the detection of relay-coil resistance value is carried out after step c, presses the switch IV in respective lines, device is to quilt
It surveys relay coil to be detected, and shows resistance value on corresponding ohmmeter；When stopping, trip switch IV.
After the completion of measured relay detection, change-over switch is first rotated to neutral gear, further takes out measured relay.
The device is provided with a plurality of test circuit, can carry out relay contact detection, relay touching respectively to relay
The cleaning of point electricity and relay resistance test, it is full-featured, it can accurately know relay fault point, can efficiently complete
The Detection task of electric car relay, since by the device self-service maintenance can be carried out to relay, to save relay
The time of factory's repair maintenance is returned, so as to complete service work in the case where not influencing electric car normal operation.
As used some vocabulary to censure specific components in the specification and claims.Those skilled in the art answer
It is understood that hardware manufacturer may call the same component with different nouns.This specification and claims are not with name
The difference of title is as the mode for distinguishing component, but with the difference of component functionally as the criterion of differentiation.Such as logical
The "comprising" of piece specification and claim mentioned in is an open language, therefore should be construed to " include but do not limit
In "." substantially " refer within the acceptable error range, those skilled in the art can within a certain error range solve described in
Technical problem basically reaches the technical effect.In addition, " coupling " word includes any direct and indirect electric property coupling herein
Means.Therefore, if it is described herein that a first device is coupled to a second device, then representing the first device can directly electrical coupling
It is connected to the second device, or the second device indirectly electrically coupled through other devices or coupling means.Specification
Subsequent descriptions be implement the application better embodiment, so it is described description be for the purpose of the rule for illustrating the application,
It is not intended to limit the scope of the present application.The protection scope of the application is as defined by the appended claims.
It should be noted that the terms "include", "comprise" or its any other variant are intended to the packet of nonexcludability
Contain, so that commodity or system including a series of elements not only include those elements, but also including not arranging clearly
Other element out, or further include for this commodity or the intrinsic element of system.The case where not limiting more
Under, the element that is limited by sentence "including a ...", it is not excluded that also deposited in the commodity or system for including the element
In other identical element.
Several preferred embodiments of the invention have shown and described in above description, but as previously described, it should be understood that the present invention
Be not limited to forms disclosed herein, should not be regarded as an exclusion of other examples, and can be used for various other combinations,
Modification and environment, and the above teachings or related fields of technology or knowledge can be passed through within that scope of the inventive concept describe herein
It is modified.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be in this hair
In the protection scope of bright appended claims.
Claims (10)
1. a kind of relay contact automatic detection device, including power module, detection circuit module and measured relay socket,
Be characterized in that: the detection circuit module includes relay contact detection circuit, relay contact electricity cleaning circuit, relay electricity
Detection circuit is hindered, each circuit is separately connected power module and measured relay socket, and respectively constitutes relay contact detection mould
Block, relay contact electricity cleaning module, relay resistance detection module.
2. a kind of relay contact automatic detection device as described in claim 1, it is characterised in that: the relay contact inspection
Switch, the time relay and circulation relay are respectively provided on slowdown monitoring circuit and relay contact electricity cleaning circuit, wherein time relay
The on-off of device control loop relay；The relay contact electricity cleaning circuit further includes independent branch, and branch road is arranged
Discharge resistance, and it is directly connected to measured relay socket；Resistance display is set on the relay resistance detecting circuit and is opened
It closes.
3. a kind of relay contact automatic detection device as claimed in claim 2, it is characterised in that: the power module includes
Change-over switch and transformer, wherein change-over switch includes left shelves, neutral gear and right shelves, left shelves control relay contact detection circuit and
Relay contact electricity cleaning circuit, right shelves control relay resistance detection module；It is respectively provided with transformer on three test circuits, is become
Depressor input terminal connects change-over switch, and output end connects corresponding circuit.
4. a kind of relay contact automatic detection device as claimed in claim 3, it is characterised in that: the relay resistance inspection
Slowdown monitoring circuit includes relay contact resistance detecting circuit and relay-coil resistance detection circuit.
5. a kind of relay contact automatic detection device as claimed in claim 2, it is characterised in that: the circulation relay point
Not She Zhi counter, for record circulation relay cycle-index.
6. a kind of relay contact automatic detection device as claimed in claim 3, it is characterised in that: the power supply of the device
For the alternating current of 220V；The transformer includes 110V transformer, 24V transformer and 9V transformer, and wherein 110V transformer is defeated
Outlet is separately connected measured relay pedestal, relay contact detection circuit and relay contact electricity cleaning circuit, relay touching
The branch of the electric cleaning circuit of point connects 24V transformer；9V transformer output end connects relay resistance detecting circuit.
7. a kind of relay contact automatic detection device as claimed in claim 6, it is characterised in that: in 110V transformer and quilt
It surveys on the connection circuit of relay base and tap changer is set, while voltmeter is set.
8. a kind of relay contact automatic detection device as described in any one of claims 1 to 7, it is characterised in that: setting
Switch on relay contact detection circuit and relay contact electricity cleaning circuit is locking press button, is arranged in relay resistance
Switch in detection circuit is Self-resetting button.
9. a kind of method using relay contact automatic detection device detection relay according to any one of claims 8, feature exist
In: it is first checked outside relay contact automatic detection device appearance and correctly connection relay contact automatic detection device using preceding
Power supply；
When A. carrying out relay contact detection mode, change-over switch is converted to left shelves, according to measured relay model, rotation is adjusted
It compresses switch, then measured relay is inserted on measured relay pedestal, presses the switch I on the measurement circuit at this time, at this time
The contact that number is fixed to measured relay in device is detected, after the detection for completing preset times, time on the route after
Electric appliance I control loop relay I stops working, and presses switch I again, and detection route disconnects, and completes detection；It, will under the mode
Circulation relay sets fixed action frequency and makes tested magnitude, when detection relay completes fixed number of times on off operating mode
Afterwards, it reads measured relay contact action frequency and is compared with fixed action value, to the relay of actual act frequency abnormality
Device carries out breakdown judge.
B. then step A presses the switch II in respective lines when carrying out the cleaning of relay contact electricity, straight using another independence
Galvanic electricity source export 24V 2A direct current surface short time arcing cleaning oxidation carries out it to the electric discharge of measured relay contact
Layer；The electric discharge operation of number contact is fixed to measured relay contact in device at this time, and actual act is recorded on counter
Number, when stopping, press lower switch II again, meanwhile, rotation change-over switch to neutral gear；
When C. carrying out relay contact resistance detection, change-over switch is rotated to right shelves, pins the switch of contact detection line road
III, device detect measured relay contact, and resistance value is shown on corresponding ohmmeter, when stopping, trip switch
III；
D. carry out the detection of relay-coil resistance value after step c, press the switch IV in respective lines, device to it is tested after
Electric apparatus coil is detected, and shows resistance value on corresponding ohmmeter；When stopping, trip switch IV；
After the completion of measured relay detection, change-over switch is first rotated to neutral gear, further takes out measured relay.
10. detection method as claimed in claim 9, it is characterised in that: the automatic detection time of relay contact is 6 minutes, often
Secondary actuation time is 2 seconds, and amounting to number is 180 times；Relay contact electricity cleaning time is 1 minute, and each actuation time is 2
Second, amounting to number is 30 times.
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| CN201910211803.4A CN109828203A (en) | 2019-03-20 | 2019-03-20 | A kind of relay contact automatic detection device and detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910211803.4A CN109828203A (en) | 2019-03-20 | 2019-03-20 | A kind of relay contact automatic detection device and detection method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111256968A (en) * | 2020-02-12 | 2020-06-09 | 浙江康信汽车电器有限公司 | Full-automatic detection line of switch |
| CN111521929A (en) * | 2020-05-08 | 2020-08-11 | 中汇瑞德电子（芜湖）有限公司 | Detection apparatus for relay |
| CN117783605A (en) * | 2024-02-27 | 2024-03-29 | 深圳市爱得乐电子有限公司 | Detection device before contactor assembly |
| CN117783605B (en) * | 2024-02-27 | 2024-05-03 | 深圳市爱得乐电子有限公司 | Detection device before contactor assembly |
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