CN206568904U - Electric Vehicle's Alternating conduction-type charging inlet attachment structure - Google Patents
Electric Vehicle's Alternating conduction-type charging inlet attachment structure Download PDFInfo
- Publication number
- CN206568904U CN206568904U CN201621244276.5U CN201621244276U CN206568904U CN 206568904 U CN206568904 U CN 206568904U CN 201621244276 U CN201621244276 U CN 201621244276U CN 206568904 U CN206568904 U CN 206568904U
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- China
- Prior art keywords
- vehicular charger
- vehicle
- management system
- battery management
- power supply
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The charging gun that the utility model is related on a kind of Electric Vehicle's Alternating conduction-type charging inlet attachment structure, AC power supply device is connected by inserting vehicle interface with electric automobile, the magnitude of voltage of CC test points in Vehicular charger collection vehicle interface；The divider resistance resistance of CP test points is adjusted by Vehicular charger, the magnitude of voltage of CP test points is gathered by AC charging equipment.Vehicular charger sends the 12V key signals for representing that charging gun is in the state that is fully connected with vehicle interface to battery management system, so that the battery management system for receiving 12V key signals is waken up and enters working condition；Vehicular charger also sends Cout signals to battery management system, represent that AC power supply device and Vehicular charger are in normal SBR to be charged with the first level state of Cout signals, and represent that charging gun is in vehicle interface with the second electrical level state of Cout signals not to be connected with each other state.The utility model improves the reliability and security of charging electric vehicle connecting link.
Description
Technical field
The utility model is related to New-energy electric vehicle charging inlet technology, more particularly to a kind of Electric Vehicle's Alternating conduction
Formula charging inlet attachment structure.
Background technology
As shown in figure 1, New-energy electric vehicle is in charging, when AC charging rifle inserts electric vehicle charge interface（Car
Interface 2）Afterwards, the battery management system in the relevant device Vehicular charger 9 and electrokinetic cell system in electric automobile 6
（BMS）8 will be to the CC points 3 of charging gun interface（CC：Connection confirms）With CP points 5（CP：Control guiding）Carry out voltage detecting, root
Judge whether charging gun connection is good according to 2 points of magnitude of voltage, confirm current charging connecting device（Cable）Specified appearance
Amount, and confirm the maximum supply current of current AC power supply device 1.
Because China is electrically connected on electric car conduction formula charging inlet, automobile industry standard QC/T 841-2010
Regulation is not known by electronic vapour with the National Standard of the People's Republic of China GB/T 18487-2015 of newest publication in 2015
Which equipment of car（Vehicular charger 9 or battery management system 8）To carry out the detection operation of CC and CP points, therefore in reality
Following phenomenon can often occur in charging process：
If 1. Vehicular charger 9 and battery management system 8 both detect the input resistance of CC points 3 simultaneously, it will because
There is the resistance of different resistances in the detection circuit of both sides and cause battery management system 8 and Vehicular charger 9 to interact,
So that both measurements to the input resistance of CC points 3 are all inaccurate.
2. AC power supply device 1 is needed when the signal for detecting CP points 5 is changed into 6V from 12V, 220V exchanges can be just exported
Electricity, the situation of CC points 3 is similar；If battery management system 8 and the both sides' circuit of Vehicular charger 9 influence the signal of CP points 5 simultaneously,
The signal level that CP points 5 can be caused is not 6V, then causes AC power supply device 1 not export 220V alternating currents, it is impossible to electronic
Automobile 6 is charged.
If 3. according to connection electrically, only allowing Vehicular charger 9 to detect CC points 3 and the signal of CP points 5, battery management
System 8 is not detected.Because Vehicular charger 9 is in vehicle ACC gears（Connect accessory power supply）With ON gears（Connect except starting
Full car all power outside machine）When do not work, then be likely to occur after trickle charge terminates, in the case where not pulling out charging gun, by car key
Spoon is screwed to ON gears, but because battery management system 8 does not detect the signal of CC points 3, it is impossible to know whether charging gun is also inserted in electricity
On electrical automobile 6, vehicle READY just occurs（Prepare）The hidden danger driven a vehicle afterwards with charging gun.
Utility model content
The purpose of this utility model is a kind of new Electric Vehicle's Alternating conduction-type charging inlet attachment structure of proposition,
Improve the reliability and security of charging electric vehicle connecting link.
In order to achieve the above object, the technical scheme is that providing a kind of Electric Vehicle's Alternating conduction-type charging inlet
Attachment structure, wherein, the charging gun on AC power supply device is connected by inserting vehicle interface with electric automobile, in the car
Interface provided with represent the CC test points of connection acknowledgement state, the first resistor bleeder circuit of connection corresponding with CC test points,
Represent the CP test points of control guiding；
The CC test points and CP test points of the vehicle interface are connected with the low-pressure control module in Vehicular charger respectively
Connect；The Vehicular charger gathers the magnitude of voltage of CC test points；The Vehicular charger also sets up connection corresponding with CP test points
Second resistance bleeder circuit adjust the divider resistance resistance of CP test points, pass through the AC power supply device and gather CP detections
The magnitude of voltage of point.
Preferably, the Vehicular charger is connected with the battery management system in electric automobile internal motivation battery system
Connect, the Vehicular charger by provided with the first connection line, sent to battery management system and represent charging gun and vehicle interface
12V key signals in the state that is fully connected, so that the battery management system for receiving 12V key signals is waken up and enters work
State.
Preferably, the Vehicular charger is connected with the battery management system in electric automobile internal motivation battery system
Connect, the Vehicular charger by provided with the second connection line, to battery management system send Cout signals；
The Cout signals, which have, represents that AC power supply device is in normal SBR to be charged with Vehicular charger
The first level state, and represent that charging gun and vehicle interface are in the second electrical level state for not being connected with each other state.
Preferably, the charging gun of AC power supply device is connected by inserting vehicle interface with electric automobile, makes the friendship
Stream power supply unit is connected with the input module that exchanges in Vehicular charger inside electric automobile, the height in the Vehicular charger
Pressure output module is connected with the battery charge circuit of the electrokinetic cell system inside electric automobile, forms charge circuit.
When charging gun of the utility model on power supply unit inserts electric automobile vehicle interface, by the vehicle-mounted of electric automobile
Charging machine testing CC point magnitudes of voltage simultaneously control CP point divider resistance values, when judging that power supply unit is connected with electric vehicle charge interface
After normal, Vehicular charger increases 12V key signals newly and enters working condition to wake up BMS, and Vehicular charger also increases Cout letters newly
Number drive BMS to be detected, with clear and definite power supply unit and Vehicular charger all in normal state to be charged, wait BMS hairs
Send charging instruction.After charging complete, the charging gun on charging equipment departs from electric automobile, vehicle-mounted charge machine testing CC point voltages
Value, judges power supply unit and electric automobile is in connectionless state, and Cout sighal replacements level state drives BMS to be examined
Survey, electric automobile is had disengaged from clear and definite charging gun, it is to avoid the hidden danger that electric automobile is driven a vehicle with charging gun.
Electric Vehicle's Alternating conduction-type charging inlet attachment structure described in the utility model, with advantages below：This reality
Solved with new because the old and new's national standard is in the connection of relevant electric automobile trickle charge Interface Electrical, regulation is not known by electronic vapour
Which specific equipment detection CC and CP operation of car, causes BMS and Vehicular charger while detecting CC and CP operations and influencing each other,
The problem of detecting inaccurate, and avoid after charging complete, charging gun is also inserted on electric automobile, the hidden danger carried a gun of driving a vehicle.
Brief description of the drawings
Fig. 1 is the schematic block diagram of existing electric vehicle charge interface.
Fig. 2 is the schematic block diagram of Electric Vehicle's Alternating conduction-type charging inlet attachment structure in the utility model.
Embodiment
The utility model is further illustrated below in conjunction with the accompanying drawings.
As shown in Fig. 2 in Electric Vehicle's Alternating conduction-type charging inlet attachment structure described in the utility model, Alternating Current Power Supply
Charging gun in equipment 1 is connected by inserting vehicle interface 2 with electric automobile 6, so with the inside corollary equipment of electric automobile 6
Exchange input module in Vehicular charger 9 is connected；Inside high voltage output module and electric automobile 6 in Vehicular charger 9
The battery charge circuit of key components and parts electrokinetic cell system be connected, form charge circuit.
The inside of vehicle interface 2 represents the PE points of protective grounding comprising representing the L points of AC power, representing the N points of center line,
Represent connection the CC points 3 confirmed and the CP points 5 for representing control guiding.Charging gun on AC power supply device 1 is by inserting car
When interface 2 is connected with electric automobile 6, L points, N points are by switch K1, K2 of AC power supply device 1 and the friendship of Vehicular charger 9
Flow input module connection；PE points with connecting equipment and vehicle body respectively.
Wherein, CC points 3, CP points 5 are connected with the low-pressure control module in Vehicular charger 9 respectively；At charging gun
CC resistor voltage divider circuits 4, the CP resistor voltage divider circuits 7 at low-pressure control module, it can be determined that filling on AC power supply device 1
Whether the connection of electric rifle and vehicle interface 2 is to be fully connected, and AC power supply device 1 and Vehicular charger 9 wait fill
Whether electric SBR is normal.
It is vehicle-mounted to fill when charging gun on AC power supply device 1 is connected by inserting vehicle interface 2 with electric automobile 6
Low-pressure control module inside motor 9 provides 12V key signals 10（Key signal）, Cout signals 11 give electric automobile 6 in
The battery management system of key components and parts electrokinetic cell system（BMS）8, it is respectively used to activated batteries management system 8 and enters work
State, and show the connection of charging gun and vehicle.
The control principle of the Electric Vehicle's Alternating conduction-type charging inlet is that the charging gun on AC power supply device 1 is inserted
Enter vehicle interface 2, make CC resistor voltage divider circuits 4（Containing internal resistance and on-off circuit）Loop connect, Vehicular charger 9 gathers
The magnitude of voltage of test point CC points 3（Detect its electric resistance partial pressure magnitude of voltage）, judge whether charging gun connection status is fully connected.When sentencing
After connection breaking is good, the output of Vehicular charger 9 12V key signals 10 make battery management system 8 to wake up battery management system 8
Into working condition.
Test point CP points 5 are connected with the power supply control apparatus in AC power supply device 1.Charging on AC power supply device 1
Rifle inserts vehicle interface 2, makes CP resistor voltage divider circuits 7（Containing internal resistance and on-off circuit）Loop connect.Vehicular charger 9
The internal switch of CP resistor voltage divider circuits 7 is controlled, to change the divider resistance resistance of test point CP points 5；AC power supply device 1 is adopted
Collect the magnitude of voltage of test point CP points 5, such as judge that the magnitude of voltage exports 220V power supplys to vehicle-mounted in chargeable voltage range values, then
Charger 9, and the Cout signals 11 of the first level state are exported to battery management system 8, first level by Vehicular charger 9
State shows that charging gun has been connected and AC power supply device 1 and Vehicular charger 9 are ready, waits to be charged.Battery management
System 8 receives and self-inspection is carried out after Cout signals 11, confirms that adhesive electrokinetic cell system charges after electrokinetic cell system fault-free
Loop relay, and request charging is docked by CAN communication and the progress message of Vehicular charger 9.
Treat after the completion of charging electric vehicle, charging gun departs from electric automobile 6, the acquisition testing point CC points 3 of Vehicular charger 9 become
Magnitude of voltage after change, magnitude of voltage after change is judged is represented after the magnitude of voltage that charging gun departs from electric automobile 6, by it to battery
The Cout signals 11 that management system 8 is exported more show that charging gun has disengaged from the second electrical level state of vehicle interface 2, it is to avoid driving
The hidden danger carried a gun.
Although content of the present utility model is discussed in detail by above preferred embodiment, but it should be appreciated that on
The description stated is not considered as to limitation of the present utility model.After those skilled in the art have read the above, for
A variety of modifications and substitutions of the present utility model all will be apparent.Therefore, protection domain of the present utility model should be by appended
Claim limit.
Claims (5)
1. a kind of Electric Vehicle's Alternating conduction-type charging inlet attachment structure, it is characterised in that
AC power supply device（1）On charging gun by inserting vehicle interface（2）With electric automobile（6）It is connected, in the car
Interface（2）CC test point of the place provided with expression connection acknowledgement state, the first resistor partial pressure electricity of connection corresponding with CC test points
Road（4）, represent control guiding CP test points；
The vehicle interface（2）CC test points and CP test points respectively with Vehicular charger（9）In low-pressure control module phase
Connection；The Vehicular charger（9）Gather the magnitude of voltage of CC test points；The Vehicular charger（9）Also set up and CP test points
The second resistance bleeder circuit of correspondence connection（7）To adjust the divider resistance resistance of CP test points, set by the Alternating Current Power Supply
It is standby（1）Gather the magnitude of voltage of CP test points.
2. Electric Vehicle's Alternating conduction-type charging inlet attachment structure as claimed in claim 1, it is characterised in that
The Vehicular charger（9）With electric automobile（6）Battery management system in internal motivation battery system（8）It is connected,
The Vehicular charger（9）By provided with the first connection line, to battery management system（8）Send and represent that charging gun connects with vehicle
Mouthful（2）12V key signals in the state that is fully connected, so as to receive the battery management system of 12V key signals（8）It is waken up
Into working condition.
3. Electric Vehicle's Alternating conduction-type charging inlet attachment structure as claimed in claim 1, it is characterised in that
The Vehicular charger（9）With electric automobile（6）Battery management system in internal motivation battery system（8）It is connected,
The Vehicular charger（9）By provided with the second connection line, to battery management system（8）Send Cout signals；
The Cout signals, which have, represents AC power supply device（1）With Vehicular charger（9）It is in normal preparation shape to be charged
First level state of state, and represent charging gun and vehicle interface（2）It is in the second electrical level state for not being connected with each other state.
4. Electric Vehicle's Alternating conduction-type charging inlet attachment structure as claimed in claim 2, it is characterised in that
The Vehicular charger（9）With electric automobile（6）Battery management system in internal motivation battery system（8）It is connected,
The Vehicular charger（9）By provided with the second connection line, to battery management system（8）Send Cout signals；
The Cout signals, which have, represents AC power supply device（1）With Vehicular charger（9）It is in normal preparation shape to be charged
First level state of state, and represent charging gun and vehicle interface（2）It is in the second electrical level state for not being connected with each other state.
5. the Electric Vehicle's Alternating conduction-type charging inlet attachment structure as described in any one in claim 1 ~ 4, its feature exists
In,
AC power supply device（1）Charging gun by inserting vehicle interface（2）With electric automobile（6）It is connected, makes the exchange
Power supply unit（1）With electric automobile（6）Internal Vehicular charger（9）In exchange input module be connected, the vehicle-mounted charge
Machine（9）In high voltage output module and electric automobile（6）The battery charge circuit of internal electrokinetic cell system is connected, and is formed
Charge circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621244276.5U CN206568904U (en) | 2016-11-21 | 2016-11-21 | Electric Vehicle's Alternating conduction-type charging inlet attachment structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621244276.5U CN206568904U (en) | 2016-11-21 | 2016-11-21 | Electric Vehicle's Alternating conduction-type charging inlet attachment structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206568904U true CN206568904U (en) | 2017-10-20 |
Family
ID=60062412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621244276.5U Expired - Fee Related CN206568904U (en) | 2016-11-21 | 2016-11-21 | Electric Vehicle's Alternating conduction-type charging inlet attachment structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206568904U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985089A (en) * | 2017-10-30 | 2018-05-04 | 许继电源有限公司 | A kind of charging system ground protection detection method and device |
| CN108909492A (en) * | 2018-07-06 | 2018-11-30 | 北京新能源汽车股份有限公司 | A kind of charge-discharge system and vehicle |
| CN109484218A (en) * | 2018-10-24 | 2019-03-19 | 蔚来汽车有限公司 | Based reminding method, device, charging pile and computer readable storage medium |
| CN111976511A (en) * | 2019-05-22 | 2020-11-24 | 上海汽车集团股份有限公司 | Electric automobile charging system connection state detection device and electric automobile |
| CN112009304A (en) * | 2019-05-30 | 2020-12-01 | 北京新能源汽车股份有限公司 | Charging control method and device and automobile |
| CN113844295A (en) * | 2021-09-13 | 2021-12-28 | 联合汽车电子有限公司 | Circuit checking method, signal checking method, charger and vehicle |
| CN115257448A (en) * | 2022-06-24 | 2022-11-01 | 智己汽车科技有限公司 | Monitoring system and monitoring method for direct-current charging process of electric automobile |
| CN116080431A (en) * | 2022-12-21 | 2023-05-09 | 国广顺能(上海)能源科技有限公司 | Alternating-current charging interface for energy storage vehicle and recharging system comprising same |
| CN117465277A (en) * | 2023-11-07 | 2024-01-30 | 深圳市龙星辰电源有限公司 | Automatic identification charging device, method and readable storage medium |
| CN110364851B (en) * | 2018-03-26 | 2024-04-16 | 蔚来(安徽)控股有限公司 | Charging connection device for electric automobile |
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2016
- 2016-11-21 CN CN201621244276.5U patent/CN206568904U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985089B (en) * | 2017-10-30 | 2020-09-25 | 许继电源有限公司 | Charging system ground protection detection method and device |
| CN107985089A (en) * | 2017-10-30 | 2018-05-04 | 许继电源有限公司 | A kind of charging system ground protection detection method and device |
| CN110364851B (en) * | 2018-03-26 | 2024-04-16 | 蔚来(安徽)控股有限公司 | Charging connection device for electric automobile |
| CN108909492A (en) * | 2018-07-06 | 2018-11-30 | 北京新能源汽车股份有限公司 | A kind of charge-discharge system and vehicle |
| CN109484218A (en) * | 2018-10-24 | 2019-03-19 | 蔚来汽车有限公司 | Based reminding method, device, charging pile and computer readable storage medium |
| CN111976511B (en) * | 2019-05-22 | 2023-04-14 | 上海汽车集团股份有限公司 | Electric automobile charging system connection state detection device and electric automobile |
| CN111976511A (en) * | 2019-05-22 | 2020-11-24 | 上海汽车集团股份有限公司 | Electric automobile charging system connection state detection device and electric automobile |
| CN112009304A (en) * | 2019-05-30 | 2020-12-01 | 北京新能源汽车股份有限公司 | Charging control method and device and automobile |
| CN113844295A (en) * | 2021-09-13 | 2021-12-28 | 联合汽车电子有限公司 | Circuit checking method, signal checking method, charger and vehicle |
| CN115257448A (en) * | 2022-06-24 | 2022-11-01 | 智己汽车科技有限公司 | Monitoring system and monitoring method for direct-current charging process of electric automobile |
| CN115257448B (en) * | 2022-06-24 | 2024-05-14 | 智己汽车科技有限公司 | Monitoring system and monitoring method for direct current charging process of electric automobile |
| CN116080431A (en) * | 2022-12-21 | 2023-05-09 | 国广顺能(上海)能源科技有限公司 | Alternating-current charging interface for energy storage vehicle and recharging system comprising same |
| CN117465277A (en) * | 2023-11-07 | 2024-01-30 | 深圳市龙星辰电源有限公司 | Automatic identification charging device, method and readable storage medium |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171020 Termination date: 20201121 |