CN109490697A - A kind of detection circuit device for electric vehicle fast charge socket - Google Patents
A kind of detection circuit device for electric vehicle fast charge socket Download PDFInfo
- Publication number
- CN109490697A CN109490697A CN201811516794.1A CN201811516794A CN109490697A CN 109490697 A CN109490697 A CN 109490697A CN 201811516794 A CN201811516794 A CN 201811516794A CN 109490697 A CN109490697 A CN 109490697A
- Authority
- CN
- China
- Prior art keywords
- fast charge
- sensor
- socket
- temperature
- battery pack
- 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
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 43
- 238000012544 monitoring process Methods 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 13
- 230000006866 deterioration Effects 0.000 claims description 4
- 238000012360 testing method Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 2
- 238000011897 real-time detection Methods 0.000 claims description 2
- 230000032683 aging Effects 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009713 electroplating Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a kind of detection circuit devices for electric vehicle fast charge socket, including fast charge socket, further include detection controller, battery pack and vehicle control device；In the fast charge socket reload temperature sensor and current sensor, it is grounded in the fast charge jack housing, the fast charge socket is mounted with battery pack, the battery pack is equipped with the end DC+ and the end DC-, the temperature sensor and current sensor are equipped with the end DC+ and the end DC-, and the end DC+ that the battery pack is equipped with, the end DC- pass through the end DC+ and the end DC- that wiring is electrically connected temperature sensor and current sensor respectively；Implementing monitoring electric current of the present invention and temperature, and the degree of aging of charging socket can be analyzed by electric current and temperature reference point referring to national standard monitoring temperature by being more than, and will be when needing replacing charging socket, alert, remind driver.
Description
Technical field
The present invention discloses a kind of detection circuit device for electric vehicle fast charge socket.
Background technique
With popularizing for electric car, electric car is increasingly liked by people, while using electric car,
It can encounter that electric automobile during traveling distance is too long to be needed to charge, then need to charge to electric car using charging pile, electric car
During the charging process, need for the charging plug of charging pile to be inserted into charging socket, charging complete is needed charging plug from charging
It is extracted in socket.The swapping process of charging plug necessarily causes to wear to the charging socket on vehicle.
The terminal of charging socket generally uses electroplating technology, and swapping process can damage coating, certain when may wear to
When degree, terminal can generate oxidation, and terminal resistance becomes larger, can be through excessive will lead to charging socket to electric car charging process
Electric current, resistance become larger, and are easy to produce high temperature, then charging socket are caused to burn.The loss situation of charging socket for electric vehicle at present
Not paid attention to by masses, charging socket is not also included in the general maintenance range of vehicle by most of producer, and actually uses process,
Charging socket loss actually occurs, because of charging socket aging caused by loss, to cause burning for charging equipment.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and the one kind proposed is used for electric vehicle fast charge
The detection circuit device of socket.
To achieve the goals above, present invention employs following technical solutions:
A kind of detection circuit device for electric vehicle fast charge socket, including fast charge socket further include detection controller, battery pack
And vehicle control device；
In the fast charge socket reload temperature sensor and current sensor, it is grounded in the fast charge jack housing, described
It is mounted with that battery pack, the battery pack are equipped with the end DC+ and the end DC-, the temperature sensor and current sensor in fast charge socket
Equipped with the end DC+ and the end DC-, the end DC+ that the battery pack is equipped with, the end DC- pass through wiring respectively and are electrically connected temperature sensor and electricity
The end DC+ and the end DC- of flow sensor, temperature when by temperature sensor and current sensor input detection sensing fast charge charging socket
Degree and electric current, temperature sensor and current sensor output are electrically connected by rigid line detects controller input terminal, is controlled by detection
The temperature of device input terminal input temp sensor and current sensor processed and the detection signal of electric current carry out control and in real time inspection again
It surveys, by comparing the value of electric current and temperature, analyzes current fast charge socket extent of deterioration, detection controller connects vehicle by CAN line
Controller, when electric current difference corresponding with temperature is more than threshold value, detection controller sends warning message to vehicle control device, mentions
The driver that wakes up maintains fast charge socket；
The vehicle control device is equipped with the end S+, the end S-, the end CC1, the end CC2, the end A+ and the end A-；
The end CC2 passes through wiring and is electrically connected to ground, wiring is provided with test point and is mounted with resistance two, in charging process
In, the end CC2 does not receive off-board charging equipment the charge level demand message of battery pack period transmission, off-board charging
Equipment is electrically connected with the end CC1 by connecting line one and two, is being connected also responsive to the function of closing DC power supply output, the ground wire
It is mounted with resistance one on line one, the resistance three of switch and series connection with it is mounted on connecting line two, the end CC1 is in charging process
In, off-board charging equipment carries out uninterrupted monitoring charging plug by the input voltage signal of connection confirmation contact and charging is inserted
Seat connection status, once there is exception, off-board charging equipment closes DC power supply output immediately, after completing unloading, disconnects
Switch.
As further limitation ground of the invention, the detection controller mounted inside control of model MC9S2DG128B
The high-speed CAN transceiver of coremaking piece and model TJA1040, electrical connection, by the control chip control of model MC9S2DG128B
The high-speed CAN transceiver of model TJA1040 processed.
High position data is led to as further limitation ground, the high-speed CAN transceiver of the model TJA1040 of the invention
Line CAN-H together with low data line CAN-L, CAN-H is twisted with CAN-L, keeps CAN bus insensitive to electromagnetic interference.
As further limitation ground of the invention, lead to respectively between the temperature sensor and current sensor and control chip
It crosses the positive and negative anodes electrical connection realization input and output that it is equipped with and current sensor ground terminal is also electrically connected model MC9S2DG128B
Control chip.
Compared with prior art, the beneficial effects obtained by the present invention are as follows being:
The invention has the advantages that during Vehicular charging, implementing monitoring electric current and temperature, and be more than and monitor temperature referring to national standard,
By electric current and temperature reference point, the degree of aging of charging socket can be analyzed, and will be sent out when needing replacing charging socket
Warning message out reminds driver.
Detailed description of the invention
Attached drawing is used to provide further understanding of the present invention, and constitutes part of specification, with reality of the invention
It applies example to be used to explain the present invention together, not be construed as limiting the invention.In the accompanying drawings:
Fig. 1 is that a kind of detection circuit device for electric vehicle fast charge socket of the invention is electrically connected schematic diagram；
Fig. 2 is to be electrically connected schematic diagram inside detection controller of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, technical solution provided by the invention: a kind of detection circuit device for electric vehicle fast charge socket,
It further include detection controller, battery pack and vehicle control device including fast charge socket；
In the fast charge socket reload temperature sensor and current sensor, temperature sensor can experience electric car and charge
When connection line end temperature, and temperature signal is converted into output signal, current sensor is felt when charging for electric car
By tested current signal, and the signal that will test is converted to the electric signal output for meeting detection controller detection, to meet
It detects controller processing and control needs, for temperature sensor and current sensor, be grounded in the fast charge jack housing,
The fast charge socket is mounted with that battery pack, battery pack are equipped with the end DC+, the end DC- and ground terminal, and the temperature sensor and electric current pass
Sensor is equipped with the end DC+ and the end DC-, and the battery pack is equipped with the end DC+, the end DC- and is electrically connected temperature sensor and electricity by wiring respectively
The end DC+ and the end DC- of flow sensor, temperature when by temperature sensor and current sensor input detection sensing fast charge charging socket
Degree and electric current, temperature sensor and current sensor output are electrically connected by rigid line detects controller input terminal, is controlled by detection
The temperature of device input terminal input temp sensor and current sensor processed and the detection signal of electric current carry out control and in real time inspection again
It surveys, by comparing the value of electric current and temperature, analyzes current fast charge socket extent of deterioration, detection controller connects vehicle by CAN line
Controller, when electric current difference corresponding with temperature is more than threshold value, detection controller sends warning message to vehicle control device, mentions
The driver that wakes up maintains fast charge socket；
The vehicle control device is equipped with the end S+, the end S-, the end CC1, the end CC2, the end A+ and the end A-；
The end CC2 passes through wiring and is electrically connected to ground, wiring is provided with test point and is mounted with resistance two, in charging process
In, the end CC2 does not receive off-board charging equipment the charge level demand message of battery pack period transmission, off-board charging
Equipment is electrically connected with the end CC1 by connecting line one and two, is being connected also responsive to the function of closing DC power supply output, the ground wire
It is mounted with resistance one on line one, switch and concatenated resistance three are mounted on connecting line two, the end CC1 is during the charging process, non-
Vehicle-mounted charging equipment carries out uninterrupted monitoring charging plug by the input voltage signal of connection confirmation contact and charging socket connects
State is connect, once there is exception, off-board charging equipment closes DC power supply output immediately, after completing unloading, disconnects and switching.
As shown in Fig. 2, the detection controller mounted inside control chip and model of model MC9S2DG128B
The high-speed CAN transceiver of TJA1040, electrical connection, by the control chip controls model of model MC9S2DG128B
The high-speed CAN transceiver of TJA1040.The transceiver has EMC and ESD performance, is not necessarily to blocking inductor super low energy consumption, uses
It is grace intelligence Pu high-speed CAN transceiver, the high-speed CAN transceiver of the model TJA1040 leads to high position data line CAN-H,
Together with low data line CAN-L, CAN-H is twisted with CAN-L, keep CAN bus insensitive to electromagnetic interference.Temperature sensor and
Ground terminal is equipped with by positive and negative anodes input and output and current sensor respectively between current sensor and control chip to be also electrically connected
The control chip of model MC9S2DG128B.
In above scheme, vehicle of the present invention uses compound national standard " GBT-20234 electric car conduction chargeable connection device
Third portion: direct-current charging interface " charging socket, in fast charge socket reload temperature sensor, current sensor.The end D+, the end D-
Mounting temperature sensor and current sensor respectively, sensor pass through CAN by rigid line connecting detection controller, detection controller
Line connects vehicle control device, wherein detection controller function can be incorporated to vehicle control device.
During the charging process, the data of acquisition are transferred to detection controller by sensor, detect controller real-time detection temperature
Angle value and current value.By comparing the value of electric current and temperature, current charging socket extent of deterioration is analyzed, when electric current is corresponding with temperature
When difference is more than threshold value, detection controller sends warning message to vehicle control device, and driver is reminded to maintain charging socket.
The invention has the advantages that during Vehicular charging, implementing monitoring electric current and temperature, and be more than and monitored referring to national standard
Temperature can analyze the degree of aging of charging socket by electric current and temperature reference point, and will need replacing charging socket
When, alert reminds driver.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (4)
1. a kind of detection circuit device for electric vehicle fast charge socket, including fast charge socket, it is characterised in that: further include detection
Controller, battery pack and vehicle control device；
In the fast charge socket reload temperature sensor and current sensor, it is grounded in the fast charge jack housing, it is described fast
It fills socket and is mounted with that battery pack, the battery pack are equipped with the end DC+ and the end DC-, the temperature sensor and current sensor are equipped with
The end DC+ and the end DC-, the end DC+ that the battery pack is equipped with, the end DC- pass through that wiring is electrically connected temperature sensor and electric current passes respectively
The end DC+ and the end DC- of sensor, by temperature sensor and current sensor input detection sensing fast charge charging socket when temperature and
Electric current, temperature sensor and current sensor output are electrically connected detection controller input terminal by rigid line, by detection controller
The detection signal of the temperature and electric current of input terminal input temp sensor and current sensor carries out control and real-time detection again, leads to
The value for crossing comparison electric current and temperature, analyzes current fast charge socket extent of deterioration, and detection controller connects vehicle control by CAN line
Device, when electric current difference corresponding with temperature is more than threshold value, detection controller sends warning message to vehicle control device, reminds and drives
Member's maintenance fast charge socket；
The vehicle control device is equipped with the end S+, the end S-, the end CC1, the end CC2, the end A+ and the end A-；
The end CC2 passes through wiring and is electrically connected to ground, wiring is provided with test point and is mounted with resistance two, in charging process
In, the end CC2 does not receive off-board charging equipment the charge level demand message of battery pack period transmission, off-board charging
Equipment is electrically connected with the end CC1 by connecting line one and two, is being connected also responsive to the function of closing DC power supply output, the ground wire
It is mounted with resistance one on line one, the resistance three of switch and series connection with it is mounted on connecting line two, the end CC1 is in charging process
In, off-board charging equipment carries out uninterrupted monitoring charging plug by the input voltage signal of connection confirmation contact and charging is inserted
Seat connection status, once there is exception, off-board charging equipment closes DC power supply output immediately, after completing unloading, disconnects
Switch.
2. the detection circuit device according to claim 1 for electric vehicle fast charge socket, it is characterised in that: the detection
The high-speed CAN transceiver of the control chip and model TJA1040 of controller mounted inside model MC9S2DG128B,
Electrical connection, by the high-speed CAN transceiver of the control chip controls model TJA1040 of model MC9S2DG128B.
3. the detection circuit device according to claim 2 for electric vehicle fast charge socket, it is characterised in that: the model
High position data line CAN-H is led to for the high-speed CAN transceiver of TJA1040, low data line CAN-L, CAN-H and CAN-L are twisted
Around, making CAN bus insensitive to electromagnetic interference together.
4. the detection circuit device according to claim 1 for electric vehicle fast charge socket, it is characterised in that: the temperature
It is electrically connected respectively by the positive and negative anodes that it is equipped between sensor and current sensor and control chip and realizes input and output and electricity
Flow sensor ground terminal is also electrically connected the control chip of model MC9S2DG128B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811516794.1A CN109490697A (en) | 2018-12-12 | 2018-12-12 | A kind of detection circuit device for electric vehicle fast charge socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811516794.1A CN109490697A (en) | 2018-12-12 | 2018-12-12 | A kind of detection circuit device for electric vehicle fast charge socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109490697A true CN109490697A (en) | 2019-03-19 |
Family
ID=65698464
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811516794.1A Pending CN109490697A (en) | 2018-12-12 | 2018-12-12 | A kind of detection circuit device for electric vehicle fast charge socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109490697A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044811A (en) * | 2019-11-22 | 2020-04-21 | 泉州市纳德信息科技有限公司 | Interphone base charging test method |
| CN112421312A (en) * | 2019-08-20 | 2021-02-26 | 大众汽车股份公司 | Charging socket for electric vehicle or hybrid vehicle |
| CN114236429A (en) * | 2021-12-14 | 2022-03-25 | 绿能慧充数字技术有限公司 | Fault detection device and method for charging gun and vehicle gun seat |
| CN114910700A (en) * | 2021-02-08 | 2022-08-16 | 深圳绿米联创科技有限公司 | Impedance abnormity detection method, circuit and socket device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105548780A (en) * | 2016-02-05 | 2016-05-04 | 北京群菱能源科技有限公司 | Electric automobile DC charging pile interface circuit simulator |
| CN105691223A (en) * | 2015-12-24 | 2016-06-22 | 中能易电新能源技术有限公司 | A charging device for a charger to automatically identify the charging voltage of an electric vehicle |
| CN206171215U (en) * | 2016-09-30 | 2017-05-17 | 深圳市沃特玛电池有限公司 | Charging system and electric automobile and socket that charges thereof |
| CN208026817U (en) * | 2017-12-29 | 2018-10-30 | 北京智行鸿远汽车有限公司 | A kind of direct-current charging interface of electric automobile detection device |
-
2018
- 2018-12-12 CN CN201811516794.1A patent/CN109490697A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105691223A (en) * | 2015-12-24 | 2016-06-22 | 中能易电新能源技术有限公司 | A charging device for a charger to automatically identify the charging voltage of an electric vehicle |
| CN105548780A (en) * | 2016-02-05 | 2016-05-04 | 北京群菱能源科技有限公司 | Electric automobile DC charging pile interface circuit simulator |
| CN206171215U (en) * | 2016-09-30 | 2017-05-17 | 深圳市沃特玛电池有限公司 | Charging system and electric automobile and socket that charges thereof |
| CN208026817U (en) * | 2017-12-29 | 2018-10-30 | 北京智行鸿远汽车有限公司 | A kind of direct-current charging interface of electric automobile detection device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112421312A (en) * | 2019-08-20 | 2021-02-26 | 大众汽车股份公司 | Charging socket for electric vehicle or hybrid vehicle |
| CN111044811A (en) * | 2019-11-22 | 2020-04-21 | 泉州市纳德信息科技有限公司 | Interphone base charging test method |
| CN114910700A (en) * | 2021-02-08 | 2022-08-16 | 深圳绿米联创科技有限公司 | Impedance abnormity detection method, circuit and socket device |
| CN114236429A (en) * | 2021-12-14 | 2022-03-25 | 绿能慧充数字技术有限公司 | Fault detection device and method for charging gun and vehicle gun seat |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109490697A (en) | A kind of detection circuit device for electric vehicle fast charge socket | |
| CN103066636B (en) | Electronic-controlled installation | |
| CN108279373A (en) | Method and device for detecting charging switch of electric automobile | |
| CN103001279B (en) | Vehicle charge device | |
| CN102749562A (en) | Insulation monitoring device and monitoring method of power cell of electric vehicle | |
| CN108649668B (en) | Temperature control system and temperature control method of electric automobile charging device | |
| CN110346682B (en) | Output connection state detection circuit and method for DCDC converter of electric vehicle | |
| US7595607B2 (en) | Battery charging system and methods | |
| JP2013090543A (en) | Electronic control device | |
| CN208923412U (en) | A kind of multi-tap and the new-energy automobile charge-discharge system using it | |
| CN212447143U (en) | Alternating current charging control guide circuit | |
| CN202661550U (en) | Insulation monitoring device of power cell of electric vehicle | |
| CN206067520U (en) | A kind of real time monitoring apparatus for electric automobile quick change battery connection status | |
| CN210416254U (en) | Charging seat temperature rise active protection detection device | |
| CN205301537U (en) | Insulating detection device of BMS battery management system | |
| CN204249952U (en) | A kind of vehicle power control circuit and automobile | |
| CN112009247A (en) | High-voltage power-on method of vehicle-mounted charging system of electric vehicle | |
| CN211335593U (en) | High-voltage interlocking detection circuit of motor controller | |
| CN105162192B (en) | A kind of electric vehicle alternating-current charging device and its charge control method | |
| CN205417197U (en) | Electricelectric moves car with intelligent high voltage power distribution device | |
| CN110920424A (en) | Charging switch for electric automobile and detection method | |
| CN207859961U (en) | A kind of electric vehicle and its intelligent high-pressure distribution box | |
| JP5947518B2 (en) | Electronic control unit | |
| CN207611262U (en) | Integrated electrical system | |
| CN207336627U (en) | Current detection circuit, detector, cell apparatus and delivery vehicle in cell high voltage loop |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190319 |