CN109291814A - A kind of Intelligent charging device for electric vehicles and working method - Google Patents
A kind of Intelligent charging device for electric vehicles and working method Download PDFInfo
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- CN109291814A CN109291814A CN201811194889.6A CN201811194889A CN109291814A CN 109291814 A CN109291814 A CN 109291814A CN 201811194889 A CN201811194889 A CN 201811194889A CN 109291814 A CN109291814 A CN 109291814A
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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
-
- 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
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
-
- 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
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/16—Information or communication technologies improving the operation of electric vehicles
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention relates to automobile charging field, and in particular to a kind of electric car intelligent AC charging system and working method, this electric car intelligent AC charging system includes: the control panel and controllable AC power supply inside charging pile；The controllable AC power supply is connect by charging cable with the battery charger inside electric car, is charged by control panel control to the battery pack in electric car；The technical effect to battery pack charging is realized by the battery charger inside control panel, controllable AC power supply and the electrical automobile inside charging pile, so as to control battery charger to the charged state of battery pack, more securely and reliably in charging.
Description
Technical field
The present invention relates to electric vehicle charging fields, specifically design a kind of Intelligent charging device for electric vehicles and work
Method.
Background technique
Electric vehicle alternating-current charging pile currently on the market, substantially by charging inlet circuit, electric energy meter, earth leakage protective
Device, lightning protection device, card reader and main control unit are grouped as, and power output is realized by control A.C. contactor in main control section；
Wherein electric energy meter, earth leakage protective device and A.C. contactor are the product from third part purchase, are then attached it in pile body,
To realize electrical energy measurement, earth leakage protective and the function of exchanging output control, the mode of this realization is because of the more costs of outsourcing device
It is higher；Simultaneously as the volume of outsourcings device such as electric energy meter, earth leakage protective device, lightning protection device and A.C. contactor itself is larger, lead
Cause charging pile volume also very big；And it is unable to real-time monitoring leakage current condition.
Summary of the invention
The object of the present invention is to provide a kind of charging unit and working methods.
In order to solve the above-mentioned technical problems, the present invention provides a kind of electric car intelligent AC charging systems, comprising: position
Control panel and controllable AC power supply inside charging pile；The controllable AC power supply passes through inside charging cable and electric car
Battery charger connection, by control panel control in electric car battery pack charge.
Further, the control panel includes: processor module, zero sequence current sensor and power-sensing circuit；Wherein institute
It states zero sequence current sensor and is adapted to detect for leakage current, and leakage current value is exported to processor module and the processing
Device module is suitable for measuring rechargeable electrical energy by power-sensing circuit, to show leakage current value and rechargeable electrical energy by display screen.
Further, the controllable AC power supply includes: lightning protection circuit；The lightning protection circuit includes: two and is separately connected fire
The varistor of line and zero curve, two varistors form a common end and are grounded by ceramic discharge tube.
Further, controllable AC power supply includes: two and is connected on silicon-controlled in firewire and zero curve, the processor respectively
Module controls silicon-controlled on-off by corresponding optocoupler respectively, is turned on or off with controlling firewire and zero curve.
Further, the electric car intelligent AC charging system includes the 7 core charging sockets suitable for charging cable connection,
Wherein No. 1 contact is connected with the fire wire output end of controllable AC power supply；No. 2 contacts and No. 3 contacts are total with the CAN of control panel respectively
Two output ends of line communication module are connected, to carry out serial communication with the battery management system inside electric car；No. 4 contacts with
The zero line output end of controllable AC power supply is connected；No. 5 contacts are as ground protection end；And No. 6 contacts, No. 7 contacts are made respectively
End is confirmed for charging confirmation end, control, to be connected with the battery management system inside electric car.
Further, the controllable AC power supply includes the wireless communication module being electrically connected with processor module, and is passed through
Wireless communication module carries out ad hoc network.
On the other hand, the present invention also provides a kind of working methods of electric car intelligent AC charging system comprising:
Control panel and controllable AC power supply inside charging pile；The controllable AC power supply passes through in charging cable and electric car
The battery charger in portion connects, and is charged by control panel control to the battery pack in electric car.
Further, the working method states the realization of electric car intelligent AC charging system suitable for above-mentioned.
The present invention also provides a kind of charging sockets for the third aspect.
The charging socket is 7 core charging sockets, wherein No. 1 contact is connected with the fire wire output end of controllable AC power supply；2
Number contact and No. 3 contacts are connected with two output ends of the CAN bus communication module of control panel respectively, with inside electric car
Battery management system carries out serial communication；No. 4 contacts are connected with the zero line output end of controllable AC power supply；No. 5 contacts, which are used as, to be connect
Ground protection end；And No. 6 contacts, No. 7 contacts respectively as charging confirmation end, control confirmation end, with inside electric car
Battery management system is connected.
The invention has the advantages that electric car intelligent AC charging system of the invention includes control panel and controllable
AC power source, by the highly integrated and integrated design of control panel can be realized to electrical energy measurement, leakage current monitoring and protection,
The technical effect of lightning protection, and then overcome traditional charging pile and a variety of separate module combinations is needed just to be able to achieve to electrical energy measurement, leakage
Current monitoring and the technical effect of protection, lightning protection.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the functional block diagram of electric car intelligent AC charging system of the present invention；
Fig. 2 is the functional block diagram of control panel of the invention；
Fig. 3 is the lightning prevention circuit figure of electric car intelligent AC charging system of the present invention；
Fig. 4 is the controllable AC power circuit figure of electric car intelligent AC charging system of the present invention；
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
Embodiment 1
Fig. 1 is the functional block diagram of electric car intelligent AC charging system of the present invention.
In the present embodiment, as shown in Figure 1, the present invention provides a kind of electric car intelligent AC charging systems, comprising:
Control panel and controllable AC power supply inside charging pile；The controllable AC power supply passes through in charging cable and electric car
The battery charger in portion connects, and is charged by control panel control to the battery pack in electric car.
Fig. 2 is the functional block diagram of control panel of the invention.
In the present embodiment, the control panel includes: processor module, zero sequence current sensor and power-sensing circuit；
Wherein the zero sequence current sensor is adapted to detect for leakage current, and leakage current value is exported to processor module, Yi Jisuo
It states processor module to be suitable for measuring rechargeable electrical energy by power-sensing circuit, to show leakage current value and charging by display screen
Electric energy；When zero sequence current sensor detects leakage current, zero sequence current sensor first by the zero sequence current signal of generation into
Row amplification, rectification processing, are sent to the included ADC of processor module after then zero sequence current signal is filtered again；Processor die
Block reads the zero sequence current signal that ADC is received, and real-time leakage current numerical value is obtained by calculation；Processor module obtains after calculating
To leakage current numerical value be sent to display screen show current value；Processor module inner setting leakage current threshold value, works as calculating
When obtained leakage current numerical value is more than preset leakage current threshold value, processor module controls panel cutout controllable AC voltage
Source；It can show that the information reminding user of electric leakage throat floater checks in time and excludes hidden danger on a display screen simultaneously.
The optional display screen can be, but not limited to OLED screen, can also be that LCE, LED etc. show equipment；And processing
Device module can be, but not limited to using MAX71617.
Fig. 3 is the lightning prevention circuit figure of electric car intelligent AC charging system of the present invention.
In the present embodiment, the controllable AC power supply includes: lightning protection circuit；The lightning protection circuit includes: two difference
The varistor (RV1 and RV2) of firewire and zero curve is connected, two varistors form a common end and connect by ceramic discharge tube G1
Ground；When the voltage for being added to two electrode tip of ceramic discharge tube G1 keeps gas in the gas-discharge tube inside ceramic discharge tube G1 breakdown
When, gas-discharge tube starts to discharge, and becomes Low ESR by high impedance, is short-circuited to surge voltage rapidly close to no-voltage, and will
Overcurrent is released into ground, to play a protective role to circuit.
Fig. 4 is the controllable AC power circuit figure of electric car intelligent AC charging system of the present invention.
In the present embodiment, described silicon-controlled suitable for using the silicon-controlled of BTA41-600B model；Controllable AC power supply packet
Include: two are connected on silicon-controlled in firewire and zero curve respectively, and the processor module is controlled controllably respectively by corresponding optocoupler
Silicon on-off is turned on or off with controlling firewire and zero curve；The conducting and disconnection of optocoupler are controlled by processor module, and then can
The indirectly unlatching and disconnection of control controllable AC power supply, so that circuit is safer in open and close.
Table 4 is the port definition table of the charging socket of electric car intelligent AC charging system of the present invention.
| Contact number/mark | Voltage rating and rated current | Function definition |
| 1——(L) | 250V/400V 16A/32A | AC power source |
| 2——(NC1) | 30V 2A | Charging communication CAN_L (it is required that electrical isolation) |
| 3——(NC2) | 30V 2A | Charging communication CAN_H (it is required that electrical isolation) |
| 4——(N) | 250V/400V 16A/32A | Middle line |
| 5——(PE) | Protective grounding (PE) connects power supply unit ground wire and automobile body ground wire | |
| 6——(CC) | 30V 2A | Charging connection confirmation |
| 7——(CP) | 30V 2A | Control confirmation |
Referring to table 4, in the present embodiment, the electric car intelligent AC charging system includes being suitable for charging cable to connect
7 core charging sockets, wherein No. 1 contact is connected with the fire wire output end of controllable AC power supply；No. 2 contacts and No. 3 contact difference
It is connected with two output ends of the CAN bus communication module of control panel, to be gone here and there with the battery management system inside electric car
Mouth communication；No. 4 contacts are connected with the zero line output end of controllable AC power supply, i.e. middle line；No. 5 contacts are as ground protection end；With
And No. 6 contacts, No. 7 contacts respectively as charging confirmation end, control confirmation end, with the battery management system inside electric car
It is connected；By charging cable controllable AC power supply it is suitable for that electric energy will be transmitted and charges the battery device, the battery charger position
It in electric car, and include: Vehicular charger and battery management system；Wherein Vehicular charger is suitable for obtaining rechargeable electrical energy,
Battery management system is adapted to detect for the volt-ampere state of battery pack, and corresponding data is sent to control by CAN bus mode
Plate, charging pile can be obtained the charged state of battery pack.
In the present embodiment, the wireless communication module can be, but not limited to using JN5148ZIGBEE communication board；It is described
Controllable AC power supply includes the wireless communication module being electrically connected with processor module, and is carried out by wireless communication module from group
Net；By the ad hoc network of internal wireless communication module, so as to realize the ad hoc network of charging pile, and prompt user which
Charging pile is abnormal.
In conclusion in the present embodiment, the control panel inside charging pile is suitable for control controllable AC power supply and electricity
Battery charger inside electrical automobile is to realize the technical effect to charge to battery pack；Control panel inside the charging pile
It can be realized the detection to AC power source zero-sequence current and the metering of electric energy；Controllable AC power supply inside the charging pile is realized
To the protection of AC power source when lightning stroke；Controllable AC power supply inside the charging pile can be realized the control to AC power source；
Wireless communication module inside the charging pile can be realized the ad hoc network of charging pile；The charging cable of the charging pile can pass
Transmission of electricity can and control the working condition of battery charger；Extraneous instrument is needed to realize zero sequence electricity to overcome traditional charging pile
The technical effect of the detection of stream, the metering of electric energy, the protection of AC power source, the control of AC power source and charging pile ad hoc network, makes
Electric vehicle charging is safer.
Embodiment 2
On the basis of embodiment 1, a kind of work of electric car intelligent AC charging system is additionally provided in the present embodiment
As the control panel and controllable AC power supply that method includes: inside charging pile；The controllable AC power supply passes through charging cable
It connect with the battery charger inside electric car, is charged by control panel control to the battery pack in electric car；The electricity
Battery management component is equipped with inside the group of pond；The cell voltage that the battery management component of inside battery is suitable for will test passes through battery
Charging unit is sent to control panel；When the cell voltage that control panel receives is the fully charged voltage of battery pack, control panel control
Battery charger processed stops charging to battery pack；The voltage fully charged less than battery when the cell voltage that control panel receives
When, control panel controls battery charger and charges to battery pack；Battery charger is controlled in the full electricity of battery pack by control panel
When disconnect so that circuit is safer.
In the present embodiment, the working method is suitable for using electric car intelligent AC Charging described in embodiment 1
System is realized；The electric car intelligent AC charging system, comprising: control panel and controllable AC voltage inside charging pile
Source；The controllable AC power supply is connect by charging cable with the battery charger inside electric car, is controlled by control panel
To the battery pack charging in electric car.
In conclusion present embodiments providing a kind of working method of electric car intelligent AC charging system, the electricity
Electrical automobile intelligent AC charging system uses the working method of the electric car intelligent AC charging system, so as to control
Battery charger processed charges to battery pack.
Embodiment 3
As shown in table 4, shown in the port definition table of the charging socket of electric car intelligent AC charging system of the present invention,
The present invention also provides a kind of charging socket on the basis of embodiment 1 and embodiment 2, the charging socket is 7 core charging sockets,
Wherein No. 1 contact is connected with the fire wire output end of controllable AC power supply；No. 2 contacts and No. 3 contacts are total with the CAN of control panel respectively
Two output ends of line communication module are connected, to carry out serial communication with the battery management system inside electric car；No. 4 contacts with
The zero line output end of controllable AC power supply is connected, i.e. middle line；No. 5 contacts are as ground protection end；And No. 6 contacts, No. 7 contacts
Respectively as charging confirmation end, control confirmation end, to be connected with the battery management system inside electric car.Pass through what is unitized
Charging socket can be realized standardization connection, so that the vehicle of different model can use embodiment according to unified standard
Electric car intelligent AC charging system described in 1；So that charging can standardize.
In conclusion present embodiments providing a kind of charging socket, can be realized by the charging socket unitized
Standard management, each charging pile using electric car intelligent AC charging system can be connected by this charging socket and be charged
Automobile, to charge to electric car.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (9)
1. a kind of electric car intelligent AC charging system characterized by comprising
Control panel and controllable AC power supply inside charging pile；
The controllable AC power supply is connect by charging cable with the battery charger inside electric car, is controlled by control panel
To the battery pack charging in electric car.
2. electric car intelligent AC charging system according to claim 1, which is characterized in that
The control panel includes: processor module, zero sequence current sensor and power-sensing circuit；Wherein
The zero sequence current sensor is adapted to detect for leakage current, and leakage current value is exported to processor module, and
The processor module is suitable for measuring rechargeable electrical energy by power-sensing circuit, to show leakage current value by display screen
And rechargeable electrical energy.
3. electric car intelligent AC charging system according to claim 2, which is characterized in that
The controllable AC power supply includes: lightning protection circuit；
The lightning protection circuit includes: two varistors for being separately connected firewire and zero curve, and two varistors form a common end
And it is grounded by ceramic discharge tube.
4. electric car intelligent AC charging system according to claim 2, which is characterized in that
The controllable AC power supply includes: two and is connected on respectively silicon-controlled in firewire and zero curve, and the processor module is logical
It crosses corresponding optocoupler and controls silicon-controlled on-off respectively, be turned on or off with controlling firewire and zero curve.
5. electric car intelligent AC charging system according to claim 2, which is characterized in that
The electric car intelligent AC charging system includes the 7 core charging sockets suitable for charging cable connection, wherein
No. 1 contact is connected with the fire wire output end of controllable AC power supply；
No. 2 contacts and No. 3 contacts are connected with two output ends of the CAN bus communication module of control panel respectively, with electric car
Internal battery management system carries out serial communication；
No. 4 contacts are connected with the zero line output end of controllable AC power supply；
No. 5 contacts are as ground protection end；And
No. 6 contacts, No. 7 contacts respectively as charging confirmation end, control confirmation end, with the battery management system inside electric car
System is connected.
6. electric car intelligent AC charging system according to claim 2, which is characterized in that
The controllable AC power supply includes the wireless communication module being electrically connected with processor module, and passes through wireless communication module
Carry out ad hoc network.
7. a kind of working method of electric car intelligent AC charging system characterized by comprising
Control panel and controllable AC power supply inside charging pile；
The controllable AC power supply is connect by charging cable with the battery charger inside electric car, is controlled by control panel
To the battery pack charging in electric car.
8. working method according to claim 7, which is characterized in that
The working method is suitable for realizing using the electric car intelligent AC charging system as described in claim any one of 2-6.
9. a kind of charging socket, which is characterized in that the charging socket is 7 core charging sockets, wherein
No. 1 contact is connected with the fire wire output end of controllable AC power supply；
No. 2 contacts and No. 3 contacts are connected with two output ends of the CAN bus communication module of control panel respectively, with electric car
Internal battery management system carries out serial communication；
No. 4 contacts are connected with the zero line output end of controllable AC power supply；
No. 5 contacts are as ground protection end；And
No. 6 contacts, No. 7 contacts respectively as charging confirmation end, control confirmation end, with the battery management system inside electric car
System is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811194889.6A CN109291814A (en) | 2018-10-15 | 2018-10-15 | A kind of Intelligent charging device for electric vehicles and working method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811194889.6A CN109291814A (en) | 2018-10-15 | 2018-10-15 | A kind of Intelligent charging device for electric vehicles and working method |
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| CN109291814A true CN109291814A (en) | 2019-02-01 |
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| CN201811194889.6A Pending CN109291814A (en) | 2018-10-15 | 2018-10-15 | A kind of Intelligent charging device for electric vehicles and working method |
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Cited By (1)
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Application publication date: 20190201 |