CN106324496A - Relay inspection circuit structure for electric vehicle - Google Patents

Relay inspection circuit structure for electric vehicle Download PDF

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Publication number
CN106324496A
CN106324496A CN201610837951.3A CN201610837951A CN106324496A CN 106324496 A CN106324496 A CN 106324496A CN 201610837951 A CN201610837951 A CN 201610837951A CN 106324496 A CN106324496 A CN 106324496A
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CN
China
Prior art keywords
relay
circuit structure
light
circuit
electric automobile
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610837951.3A
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Chinese (zh)
Inventor
刘进生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Vocational Institute of Engineering
Original Assignee
Chengdu Kai Chen Zhi Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chengdu Kai Chen Zhi Technology Co Ltd filed Critical Chengdu Kai Chen Zhi Technology Co Ltd
Priority to CN201610837951.3A priority Critical patent/CN106324496A/en
Publication of CN106324496A publication Critical patent/CN106324496A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327Testing of circuit interrupters, switches or circuit-breakers
    • G01R31/3277Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches
    • G01R31/3278Testing of circuit interrupters, switches or circuit-breakers of low voltage devices, e.g. domestic or industrial devices, such as motor protections, relays, rotation switches of relays, solenoids or reed switches

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Measurement Of Current Or Voltage (AREA)

Abstract

The invention relates to a relay inspection circuit structure for an electric vehicle. The circuit structure includes a voltage reduction circuit, an inspection switch and a light-emitting component; the input end of the voltage reduction circuit is connected with the discharge end of the storage battery of the electric vehicle; the first output end of the voltage reduction circuit is connected with the first end of a relay through the inspection switch and the light-emitting component; and the second output end of the voltage reduction circuit is connected with the second end of the relay. According to the relay inspection circuit structure for the electric vehicle of the invention, the storage battery of the electric vehicle is directly utilized to supply power for the relay inspection circuit, voltage can be decreased to a required range through the voltage reduction circuit, and therefore, the relay inspection circuit structure is not required to be externally connected with a power source, and the circuit structure is very simple, and the application of the circuit structure is convenient; and the light-emitting component is adopted to indicate the working state of the relay, and the light-emitting component can be a light bulb or a light-emitting diode, and whether the working state of the relay is good or not can be well judged through observing whether the light-emitting component emits light.

Description

Relay for electric automobile checks circuit structure
Technical field
The present invention relates to relay Examined effect field, particularly relate to the relay Examined effect field of electric automobile, tool Body refers to that a kind of relay for electric automobile checks circuit structure.
Background technology
Along with the fast development of society, automobile has had become as indispensable ingredient in people's life, and big portion As long as a point automobile starts hood and just can seek the trace of relay, car bulb, wiper, starter, air-conditioning are mechanical, electrical Dynamic seat, power window, antilock device, suspension control, sound equipment etc. will be with control relays.Relay is a kind of automatically controlled Device processed, is when the change of input quantity reaches regulation requirement, makes controlled volume that predetermined step occurs in electric output circuit A kind of electrical equipment of change.It has the interactive relationship between input circuit and output loop.It is commonly used to the control of automatization In circuit, it actually goes to control the one " switch automatically " of big electric current running with small area analysis.Therefore play in circuit automatically Regulation, safeguard protection, change-over circuit etc. act on.
Automobile controls relay technology and requires harshness, and in order to ensure the normal use of automobile middle part part, these relays Need the function with normal use, need when automobile overhauls relay is checked, common relay inspection Look into body long-pending relatively big, and need when checking to connect a lot of wire harness, use cumbersome, relay the most of the prior art Device detector needs external power supply, use to be inconvenient for.
Summary of the invention
It is an object of the invention to the shortcoming overcoming above-mentioned prior art, it is provided that one is capable of directly utilizing electronic The accumulator of automobile is powered, accurately measures the relay duty of electric automobile, circuit structure is simple, it is more extensive to have The relay for electric automobile of range of application checks circuit structure.
To achieve these goals, the present invention has following composition: this relay being used for electric automobile checks circuit knot Structure, it is mainly characterized by, and described circuit structure includes reduction voltage circuit, checks switch and light-emitting component, described reduction voltage circuit Input be connected with the discharge end of the accumulator of electric automobile, the first outfan of described reduction voltage circuit is by described Check that switch is connected with the first end of described relay with light-emitting component, the second outfan of described reduction voltage circuit and institute Second end of the relay stated is connected.
It is preferred that described reduction voltage circuit is transformator.
It is preferred that described light-emitting component is light emitting diode or bulb.
It is preferred that described light-emitting component includes that two light emitting diodes, two described light emitting diodes are connected in parallel.
It is preferred that described circuit structure also includes that current sensor, described current sensor are arranged at described fall Between second outfan and second end of described relay of volt circuit.
More preferably, described circuit structure also includes display unit and amplifier, and described current sensor is by described Amplifier be connected to described display unit.
Further, described display unit is LCD display.
Have employed the relay for electric automobile in this invention and check circuit structure, have the advantages that (1) To relay, the accumulator directly utilizing electric automobile checks that circuit is powered, voltage drop as little as needed by a reduction voltage circuit Within the scope of Yaoing, and without external power supply, circuit structure is very simple, and application is convenient;(2) refer to by arranging light-emitting component Showing the duty of relay, light-emitting component can be that bulb or light emitting diode, the quantity of light-emitting component and type can roots Select according to concrete needs, the best by the most luminous duty that can become apparent from relay of light-emitting component Good;(3) increase arranges current sensor further, is measured the current value checked in circuit structure, and single by display Unit shows, it is possible to achieve test relay the most accurately;(4) without connecting unnecessary wire harness during relay test, only Checked relay need to be connected to relay and check that in circuit, same inspection circuit structure can be applied to many repeatedly The detection of secondary multiple relay, measurement result is accurate, it is simple to the current check of electric automobile and repairing, open type and closed type Relay all can detect, and has wider application scope.
Accompanying drawing explanation
Fig. 1 is the electrical block diagram of the relay inspection circuit structure for electric automobile of the present invention.
Detailed description of the invention
In order to more clearly describe the technology contents of the present invention, carry out further below in conjunction with specific embodiment Describe.
To achieve these goals, the relay for electric automobile of the present invention checks that circuit structure includes blood pressure lowering electricity Road, inspection switch and light-emitting component, the input of described reduction voltage circuit is connected with the discharge end of the accumulator of electric automobile, First outfan of described reduction voltage circuit is by described the first end checking switch and light-emitting component and described relay Being connected, the second outfan of described reduction voltage circuit is connected with the second end of described relay.
In one preferably embodiment, described reduction voltage circuit is transformator, in order to by the accumulator of electric automobile Output voltage be reduced to required voltage scope, therefore the number of turn of transformator blood pressure lowering ratio as required carries out selection and sets Put.
In one preferably embodiment, described light-emitting component is light emitting diode or bulb.
In one preferably embodiment, described light-emitting component includes two light emitting diodes, and described two send out Optical diode is connected in parallel.
In actual applications, light-emitting component can according to user need select concrete quantity and type.
In one preferably embodiment, described circuit structure also includes current sensor, described current sense Device is arranged between the second outfan of described reduction voltage circuit and the second end of described relay.
In one more preferably embodiment, described circuit structure also includes display unit and amplifier, described electricity Flow sensor is connected to described display unit by described amplifier.
In a kind of further embodiment, described display unit is LCD display.In actual applications, aobvious Show that unit can also select other kinds of display screen.
Checking process is as follows: is connected with the accumulator of electric automobile by the input of reduction voltage circuit, passes through reduction voltage circuit The output voltage of accumulator is reduced to required voltage scope, by the outfan of reduction voltage circuit, check switch, light-emitting component and Relay to be detected is sequentially connected with, and forms a loop.Press inspection switch, press relay simultaneously, if relay Work is good, then light-emitting component is by normal luminous, otherwise light-emitting component will the most luminous, and therefore passing through light-emitting component whether luminescence can The best to become apparent from the duty of relay.
Further, if increasing current sensor in checking circuit structure, then can check in whole current loop Magnitude of voltage, be shown in display element after detected value being amplified by amplifier, thus the duty of relay carried out Detect the most accurately.
The relay for electric automobile of the present invention checks in the technical scheme of circuit structure, wherein included each Function device and modular device all can corresponding to actual particular hardware circuit structure, therefore these modules and unit merely with Hardware circuit i.e. can be automatically obtained corresponding function it is achieved that need not auxiliary with the specific software that controls.
Have employed the relay for electric automobile in this invention and check circuit structure, have the advantages that (1) To relay, the accumulator directly utilizing electric automobile checks that circuit is powered, voltage drop as little as needed by a reduction voltage circuit Within the scope of Yaoing, and without external power supply, circuit structure is very simple, and application is convenient;(2) refer to by arranging light-emitting component Showing the duty of relay, light-emitting component can be that bulb or light emitting diode, the quantity of light-emitting component and type can roots Select according to concrete needs, the best by the most luminous duty that can become apparent from relay of light-emitting component Good;(3) increase arranges current sensor further, is measured the current value checked in circuit structure, and single by display Unit shows, it is possible to achieve test relay the most accurately;(4) without connecting unnecessary wire harness during relay test, only Checked relay need to be connected to relay and check that in circuit, same inspection circuit structure can be applied to many repeatedly The detection of secondary multiple relay, measurement result is accurate, it is simple to the current check of electric automobile and repairing, open type and closed type Relay all can detect, and has wider application scope.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that still may be made that Various modifications and alterations are without departing from the spirit and scope of the present invention.Therefore, specification and drawings is considered as illustrative And it is nonrestrictive.

Claims (7)

1. the relay for electric automobile checks circuit structure, it is characterised in that described circuit structure includes blood pressure lowering Circuit, inspection switch and light-emitting component, the input of described reduction voltage circuit is connected with the discharge end of the accumulator of electric automobile Connecing, the first outfan of described reduction voltage circuit checks the first of switch and light-emitting component and described relay by described End is connected, and the second outfan of described reduction voltage circuit is connected with the second end of described relay.
Relay for electric automobile the most according to claim 1 checks circuit structure, it is characterised in that described fall Volt circuit is transformator.
Relay for electric automobile the most according to claim 1 checks circuit structure, it is characterised in that described sends out Optical element is light emitting diode or bulb.
Relay for electric automobile the most according to claim 1 checks circuit structure, it is characterised in that described sends out Optical element includes that two light emitting diodes, two described light emitting diodes are connected in parallel.
Relay for electric automobile the most according to claim 1 checks circuit structure, it is characterised in that described electricity Line structure also includes that current sensor, described current sensor are arranged at the second outfan of described reduction voltage circuit and described Relay the second end between.
Relay for electric automobile the most according to claim 5 checks circuit structure, it is characterised in that described electricity Line structure also includes that display unit and amplifier, described current sensor are connected to described display by described amplifier Unit.
Relay for electric automobile the most according to claim 6 checks circuit structure, it is characterised in that described is aobvious Show that unit is LCD display.
CN201610837951.3A 2016-09-21 2016-09-21 Relay inspection circuit structure for electric vehicle Pending CN106324496A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610837951.3A CN106324496A (en) 2016-09-21 2016-09-21 Relay inspection circuit structure for electric vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610837951.3A CN106324496A (en) 2016-09-21 2016-09-21 Relay inspection circuit structure for electric vehicle

Publications (1)

Publication Number Publication Date
CN106324496A true CN106324496A (en) 2017-01-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610837951.3A Pending CN106324496A (en) 2016-09-21 2016-09-21 Relay inspection circuit structure for electric vehicle

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Country Link
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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2173407Y (en) * 1993-05-28 1994-08-03 哈尔滨市精艺仪表厂 Multiple meter for automobile
CN2500548Y (en) * 2001-06-28 2002-07-17 何炳昌 Simple detecting device for electric appliance parts of automobile
CN102135598A (en) * 2011-04-11 2011-07-27 宁波拓普制动系统有限公司 Device and method for testing durability of automobile relay
CN202870262U (en) * 2012-10-19 2013-04-10 兰州吉利汽车工业有限公司 Durability tester for automobile relay
CN203241517U (en) * 2013-05-06 2013-10-16 广州汽车集团股份有限公司 Detection system for contact closure status of automobile relay
CN103424690A (en) * 2012-05-22 2013-12-04 Ls产电株式会社 Apparatus for diagnosing relay contact of electric vehicle and method thereof
CN203414574U (en) * 2013-08-21 2014-01-29 上海中科力帆电动汽车有限公司 Relay checker circuit structure and corresponding automobile relay checking box
CN104793135A (en) * 2015-05-06 2015-07-22 科力远(上海)汽车动力电池系统有限公司 Hybrid electric vehicle relay state detection circuit and method thereof
CN204794154U (en) * 2015-05-31 2015-11-18 泉州市南安市轴飞电子科技有限公司 Automobile driving navigator

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2173407Y (en) * 1993-05-28 1994-08-03 哈尔滨市精艺仪表厂 Multiple meter for automobile
CN2500548Y (en) * 2001-06-28 2002-07-17 何炳昌 Simple detecting device for electric appliance parts of automobile
CN102135598A (en) * 2011-04-11 2011-07-27 宁波拓普制动系统有限公司 Device and method for testing durability of automobile relay
CN103424690A (en) * 2012-05-22 2013-12-04 Ls产电株式会社 Apparatus for diagnosing relay contact of electric vehicle and method thereof
CN202870262U (en) * 2012-10-19 2013-04-10 兰州吉利汽车工业有限公司 Durability tester for automobile relay
CN203241517U (en) * 2013-05-06 2013-10-16 广州汽车集团股份有限公司 Detection system for contact closure status of automobile relay
CN203414574U (en) * 2013-08-21 2014-01-29 上海中科力帆电动汽车有限公司 Relay checker circuit structure and corresponding automobile relay checking box
CN104793135A (en) * 2015-05-06 2015-07-22 科力远(上海)汽车动力电池系统有限公司 Hybrid electric vehicle relay state detection circuit and method thereof
CN204794154U (en) * 2015-05-31 2015-11-18 泉州市南安市轴飞电子科技有限公司 Automobile driving navigator

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PB01 Publication
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SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Xie Changgui

Inventor before: Liu Jinsheng

CB03 Change of inventor or designer information
TA01 Transfer of patent application right

Effective date of registration: 20171026

Address after: 402260 Chongqing Jiangjin District, Binjiang Metro North Road, No. 1

Applicant after: CHONGQING VOCATIONAL INSTITUTE OF ENGINEERING

Address before: 610000 Wuhou District Province, Chengdu, Fairview Road, No. 1, building 7, layer 714, No., No. 1

Applicant before: CHENGDU QILI CHENZHI TECHNOLOGY Co.,Ltd.

TA01 Transfer of patent application right
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20170111

WD01 Invention patent application deemed withdrawn after publication