CN107472031A - A kind of electric automobile power supply unit intelligent diagnosis system - Google Patents

A kind of electric automobile power supply unit intelligent diagnosis system Download PDF

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Publication number
CN107472031A
CN107472031A CN201710673741.XA CN201710673741A CN107472031A CN 107472031 A CN107472031 A CN 107472031A CN 201710673741 A CN201710673741 A CN 201710673741A CN 107472031 A CN107472031 A CN 107472031A
Authority
CN
China
Prior art keywords
switch
resistance
power supply
connection
supply unit
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
CN201710673741.XA
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Chinese (zh)
Inventor
狄新辉
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.)
Shanghai Paint Industry Co Ltd
Original Assignee
Shanghai Paint Industry 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 Shanghai Paint Industry Co Ltd filed Critical Shanghai Paint Industry Co Ltd
Priority to CN201710673741.XA priority Critical patent/CN107472031A/en
Publication of CN107472031A publication Critical patent/CN107472031A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60LPROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L3/00Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
    • B60L3/0023Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
    • 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

Abstract

The invention discloses a kind of electric automobile power supply unit intelligent diagnosis system, including onboard charger, power supply control apparatus, linked switch K, switch S1 and switch S2, the zero line L and live wire N of one end connection plug of the linked switch K, the other end connects onboard charger, the ground wire connection resistance R4 of plug, resistance R6, switch S2, switch S3 and onboard charger, resistance R4 other end connection resistance R4 and switch S2, the present invention can complete the intelligent diagnostics function to module by CP signals, the program on-line upgrading of equipment can also be carried out by CP signals simultaneously, so ensure that equipment can on the premise of without opening sealing shell makes detection and diagnosis to its internal circuit, simultaneously can also direct more new procedures if function renewal.

Description

A kind of electric automobile power supply unit intelligent diagnosis system
Technical field
The present invention relates to new-energy automobile field, specifically a kind of electric automobile power supply unit intelligent diagnosis system.
Background technology
Traditional electric car power supply unit (EVSE) would generally install indicator lamp to prompt equipment to user in equipment Alarm indication function when working condition and failure is connected, but many times indicator lamp can only be provided than relatively limited state instruction Function, but to equipment in itself for we can have the ability to detect more system modes, so we have developed equipment Intelligent diagnostics function, can so be provided in device fabrication production and after-sale service more equipment working state information and System mode during failure, there is these abundant equipment working state information and fault message, and we can determine quickly The reason for position is broken down but because equipment is an equipment very high to water proof and dust proof seal request in itself, so we are not Module can be opened to detect, detection of being uncapped under the support of no professional production ability can not be protected after may result in module reduction The performances such as its sealing are demonstrate,proved, is the interface of a national standard again in itself yet with charging inlet, can be used for leading to so leaving us for News and detection interface fixed, so the CP of our design alternative charging inlets as our Communication diagnostic interface (such as Lower CP signals), so our cans detect electric car power supply unit (EVSE) state of itself by external equipment, without Need to be attached the information that is diagnosed with vehicle and can be used for improving production and improve after-sale service ability, it is most important It is the status information that can be collected into the appearance after distinct device connects with vehicle, is provided effectively to improve follow-up design Data support, while can analyze which reason can cause the appearance of some malfunctions
When electric car power supply unit (EVSE) has the function of intelligent diagnostics, then we have new demand again, that be exactly when The caused failure (being the failure of software when more) of the reason for diagnosis is the discovery that equipment itself, then we can pass through CP Interface carrys out the configuration either software of online updating system, has our cans of the ability of online updating to do online parameter mark It is fixed, such as the demarcation of voltage and current, and temperature demarcation when there is high current to flow through circuit can all produce pressure drop, that is logical Cross demarcation can and accurately overvoltage and under-voltage threshold are set, more or less software mistake can all occur in the systematic software of institute By mistake, so there is CP interfaces to be also convenient for production and follow-up customer service as the interface of online updating, once occur as whole Recalled as car, there is this interface to reduce and reprocess cost (the usual system failure is all due to that the parameter of software is asked Topic and fault condition consider it is incomplete caused by, the function so online updating is necessary), based on such a purpose I Invented using multi-functional operations of the CP as communication interface.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of electric automobile power supply unit intelligent diagnosis system, to solve to carry on the back The problem of being mentioned in scape technology.
To achieve the above object, the present invention provides following technical scheme:
A kind of electric automobile power supply unit intelligent diagnosis system, including onboard charger, power supply control apparatus, linked switch K, open The zero line L and live wire N of S1 and switch S2, the linked switch K one end connection plug are closed, the other end connects onboard charger, Ground wire connection resistance R4, resistance R6, switch S2, switch S3 and the onboard charger of plug, resistance R4 other end connection resistance R4 and switch S2, resistance R3 other end connection resistance R2, the other end for switching the S3 other end connection resistance R5, resistance R5 connect Connecting resistance R6 and diode D1 negative electrode, diode D1 anode connection resistance R1, resistance the R1 other end are connected by switching S1 Connect power supply control apparatus.
Preferred scheme as the present invention:The plug is three hole plugs.
Compared with prior art, the beneficial effects of the invention are as follows:The present invention can be completed to module by CP signals Intelligent diagnostics function, while the program on-line upgrading of equipment can also be carried out by CP signals, so ensure that equipment exists Can makes detection and diagnosis to its internal circuit on the premise of without opening sealing shell, while if function renewal Words can also direct more new procedures.
Brief description of the drawings
Fig. 1 is the integrated circuit figure of the present invention.
Fig. 2 is electric car electric supply installation internal interface circuit figure.
Fig. 3 is PC end communication interface circuit figures.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation describes, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of protection of the invention.
Refer to Fig. 1-3, a kind of electric automobile power supply unit intelligent diagnosis system, including onboard charger, power supply control Device, linked switch K, switch S1 and switch S2, the linked switch K one end connection plug zero line L and live wire N, it is another End connection onboard charger, ground wire connection resistance R4, resistance R6, switch S2, switch S3 and the onboard charger of plug, resistance R4 The other end connection resistance R4 and switch S2, resistance R3 the other end connection resistance R2, switch S3 the other end connection resistance R5, Resistance R5 other end connection resistance R6 and diode D1 negative electrode, diode D1 anode connection resistance R1, resistance R1's is another One end is by switching S1 connection power supply control apparatus.
Plug is three hole plugs.
The present invention operation principle be:Electric car electric supply installation interface circuit, it can be seen that as shown in figure 1, cable controls Box is exactly electric car electric supply installation, and it and vehicle are connected with 4 lines, wherein it is power line to have three, wind is not live wire, zero line And ground wire, the 4th is exactly and the CP signal wires that are communicated of vehicle, and we also exactly develop ours using this root line Intelligent diagnostics and system online upgrading, CP is an one-way communication line herein, and we will complete to lead to using this single line News just need to turn the interface circuit of single line in EVSE indoor design two-wires.
Electric car electric supply installation internal interface circuit as shown in Fig. 2
1.CP_OUT is normal CP communication signals, and it is responsible for the carrying out shake communication between EVSE and electric vehicle
2.PROG_OUT be EVSE as communication interface when transmitting terminal, when receive sent from diagnostic device or PC it is same When walking signal, it can give a response
3.CP_LOW be EVSE as communication interface when receiving terminal, for receive send from diagnostic device or PC it is same Walk signal and other request instructions
4. because CP is as communication interface, so the interface that we can be by the use of it as EVSE system autodiagnosis, we use PC Or other diagnostic devices that can be communicated diagnose it, so as to the sealing shell without opening EVSE it is known that being The working condition of system
5.CP can also be EVSE online updating programs as communication interface, and we exist by the use of PC as communication terminal to be embodied as EVSE Line more new procedures.
PC end communications interface circuit is as shown in figure 3,1. due to the serial ports of computer formed by sending and receiving two interfaces Full duplex communication interface, and EVSE only has mono- interface of CP as communication interface, so we must design a two-wire Turn the interface circuit of single line, to meet the Interface Matching in CP communications
2. because we use single-wire communication, so original full duplex communication has just been made into half duplex communication by we, such one Come us and must just invent a kind of communication mechanism ensure that we communicate reliability and integrality
The operation principle introduction of EVSE CP single-wire communication mechanism, this principle can meet EVSE Intelligent self-diagnosis and online Program updates.

Claims (2)

1. a kind of electric automobile power supply unit intelligent diagnosis system, including onboard charger, power supply control apparatus, linked switch K, Switch S1 and switch S2, it is characterised in that the zero line L and live wire N of one end connection plug of the linked switch K, the other end connect Onboard charger is connect, ground wire connection resistance R4, resistance R6, switch S2, switch S3 and the onboard charger of plug, resistance R4's is another One end connects resistance R4 and switch S2, resistance R3 other end connection resistance R2, switchs S3 other end connection resistance R5, resistance R5 other end connection resistance R6 and diode D1 negative electrode, diode D1 anode connection resistance R1, the resistance R1 other end By switching S1 connection power supply control apparatus.
A kind of 2. electric automobile power supply unit intelligent diagnosis system according to claim 1, it is characterised in that the plug For three hole plugs.
CN201710673741.XA 2017-08-09 2017-08-09 A kind of electric automobile power supply unit intelligent diagnosis system Pending CN107472031A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710673741.XA CN107472031A (en) 2017-08-09 2017-08-09 A kind of electric automobile power supply unit intelligent diagnosis system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710673741.XA CN107472031A (en) 2017-08-09 2017-08-09 A kind of electric automobile power supply unit intelligent diagnosis system

Publications (1)

Publication Number Publication Date
CN107472031A true CN107472031A (en) 2017-12-15

Family

ID=60598805

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710673741.XA Pending CN107472031A (en) 2017-08-09 2017-08-09 A kind of electric automobile power supply unit intelligent diagnosis system

Country Status (1)

Country Link
CN (1) CN107472031A (en)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005027379A (en) * 2003-06-30 2005-01-27 Honda Motor Co Ltd Motor driver
CN104201736A (en) * 2014-08-18 2014-12-10 苏州克兰兹电子科技有限公司 Control and guide circuit for alternating current charging pile of vehicle
CN205301491U (en) * 2016-01-06 2016-06-08 刘忠菁 Multiple load analogue means of electric automobile
CN106828181A (en) * 2017-04-13 2017-06-13 安费诺汽车连接系统(常州)有限公司 Electric vehicle charge control device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005027379A (en) * 2003-06-30 2005-01-27 Honda Motor Co Ltd Motor driver
CN104201736A (en) * 2014-08-18 2014-12-10 苏州克兰兹电子科技有限公司 Control and guide circuit for alternating current charging pile of vehicle
CN205301491U (en) * 2016-01-06 2016-06-08 刘忠菁 Multiple load analogue means of electric automobile
CN106828181A (en) * 2017-04-13 2017-06-13 安费诺汽车连接系统(常州)有限公司 Electric vehicle charge control device

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