CN212073741U - Electric automobile charging device based on CAN communication - Google Patents
Electric automobile charging device based on CAN communication Download PDFInfo
- Publication number
- CN212073741U CN212073741U CN201921773997.9U CN201921773997U CN212073741U CN 212073741 U CN212073741 U CN 212073741U CN 201921773997 U CN201921773997 U CN 201921773997U CN 212073741 U CN212073741 U CN 212073741U
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- charging
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- 238000004891 communication Methods 0.000 title claims abstract description 36
- 238000001514 detection method Methods 0.000 claims description 18
- 230000001960 triggered effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 230000033764 rhythmic process Effects 0.000 abstract description 3
- 230000003993 interaction Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000012790 confirmation Methods 0.000 description 3
- 239000013256 coordination polymer Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
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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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- 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
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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
- 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
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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
- 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)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The utility model discloses an electric automobile charging device based on CAN communication, including the electric automobile that is used as the charging pile of power supply unit and links to each other with the charging pile electrical property, be provided with the vehicle control system that controls the car and charge in the electric automobile, be provided with first CAN connection port in the vehicle control system, through the state that charging pile and its electrical property link to each other and trigger PWM signal, make electric automobile and charging pile's CAN communication; by adopting the technical scheme, the state information in the charging process is acquired through CAN communication, the charging time and rhythm CAN be monitored in real time, a user CAN conveniently plan the time occupied by the charging process, and convenience in use is provided.
Description
Technical Field
The utility model belongs to the electric automobile field, more specifically says, the utility model relates to an electric automobile charging device based on CAN communication.
Background
Along with the vigorous development of new energy vehicles, new energy charging pile also develops therewith, the use demand for new energy vehicles is also promoted continuously, an electric automobile is one of the more common new energy vehicles used at present, the charging of the electric automobile becomes a link which is not negligible in use, the human-computer interaction in the charging process also appears to be very important, as shown in fig. 1, the charging pile and the new energy vehicle only have CC and CP (connection detection and charging control) signals to bear the interaction information of a charging gun in the prior art, the information of communication bearing is limited, and some important information: the battery SOC, the charging remaining time and the charging stop are full of or are in fault shutdown, and a display screen of the charging pile does not display, so that the information intuitively known by a user is too little, and the charging pile is inconvenient to use.
Because new energy automobile belongs to emerging industry, consequently there is many-sided research and development restriction, consequently need carry out the development of various angles on the basis of using the restriction, increase its convenience, the practicality of using, be the essential link in market competition.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an electric automobile charging device based on CAN communication is convenient for master charged state information is provided.
In order to realize the purpose, the utility model discloses the technical scheme who takes does: the utility model provides an electric automobile charging device based on CAN communication, includes as power supply unit fills electric pile and with fill the electric automobile that electric pile electrical property links to each other, be provided with the vehicle control system that control car charges in the electric automobile, be provided with first CAN connection port in the vehicle control system to through fill electric pile and the continuous state trigger of its electrical property and fill the CAN communication of electric pile.
The utility model discloses an electric automobile charging device based on CAN communication, fill and be provided with power supply control system in the electric pile, be provided with the first switch that is used for triggering PWM signal in the power supply control system, power supply control system be provided with the corresponding second CAN connection port of bus connection port, power supply control system through first switch trigger PWM signal control its and vehicle control system between the CAN communication link to each other.
The utility model discloses an electric automobile charging device based on CAN communication, vehicle control system includes host system, charging control module and connection detection module, and host system all links to each other through the wire with charging control module and connection detection module to receive charging control module and the charge signal and the control of connecting the detection module input the closed output PWM signal of first switch.
The utility model discloses an electric automobile charging device based on CAN communication, vehicle control system with all be provided with the switch of controlling its CAN communication in the power supply system, correspond respectively and set up to second switch and third switch, be connected to same CAN bus tie point through PWM signal control second switch and third switch between vehicle control system and the power supply system to transmission bus information.
The utility model discloses an electric automobile charging device based on CAN communication, the second switch with the third switch set up in connect detection module's both ends, the CAN bus sets up in connecting detection module to the CAN bus that is connected to same frequency through connecting detection module second switch and third switch of starting.
The utility model discloses an electric automobile charging device based on CAN communication, fill and be provided with the display module who is used for showing the state of charge information in the electric pile, power supply control system links to each other with the display module electrical property to show that the CAN bus receives and transmits in control system's state of charge information.
Adopt this technical scheme, satisfy the connecting circuit of the compatible CAN communication of current interface national standard through adopting electric automobile and alternating-current charging stake, make between the vehicle and the electric pile both CAN carry out the information interaction through national standard's mode, simultaneously compatible CAN communication, interactive information CAN be strengthened, through adding in the charging device with communication demand assorted bus signal access point, and the switch point setting of control bus signal is in the control system of trolley-bus, start CAN communication through the PWM signal, so that it CAN acquire the charged state information of trolley-bus to fill electric pile, obtain the effect of real time monitoring charge signal, show it on the display screen that fills electric pile again, so that the user knows the information of charging more directly perceivedly, grasp the time and the rhythm of charging, be convenient for electric automobile's in-service use.
The present invention will be described in more detail with reference to the accompanying drawings and examples.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a connection diagram of a charging device according to the prior art of the present invention;
FIG. 2 is a block diagram of control signals in the present invention;
fig. 3 is a connection diagram of the charging device of the present invention;
labeled as: FIG. 1: 1. a power supply control system; 2. a vehicle-mounted charger; 3. a residual current protection device; 4. a vehicle control system.
Fig. 2 and 3: 5. a power supply control system; 6. a vehicle-mounted charger; 7. leakage protection; 8. a vehicle control device; 9. charging piles; 10. an electric vehicle; 11. a charging plug; 12. a charging socket.
Detailed Description
The following description of the embodiments of the present invention, with reference to the accompanying drawings, will be made in further detail to explain, for example, the shapes and structures of the components, the mutual positions and connection relationships among the components, the functions and working principles of the components, the manufacturing process, and the operation and use method of the components, so as to help those skilled in the art to understand the concept and technical solutions of the present invention more completely, accurately and deeply.
Fig. 3 is the utility model discloses a charging device connection diagram, as shown in the figure an electric automobile charging device based on CAN communication, include as power supply unit fill electric pile 9 and with fill electric automobile 10 that the electric pile electrical property links to each other, be provided with the vehicle control system 5 that the control car charges in the electric automobile 10, be provided with first CAN connection port in the vehicle control system to through filling electric pile 9 and the continuous state of its electrical property trigger with fill the CAN communication of electric pile, be provided with power supply control system in the electric pile 9, be provided with the first switch that is used for triggering PWM signal in the power supply control system, power supply control system be provided with the corresponding second CAN connection port of bus connection port, power supply control system is through the PWM signal control that first switch triggered it links to each other with the CAN communication between the vehicle control system.
The first switch (S3 in the figure) is only used as a trigger signal, when the power supply control device detects the S3 trigger signal, the switch S1 is switched to the PWM interface, the information of charging confirmation, charging control and the like is the same as the national standard charging mode, after the charging connection confirmation is finished, the PWM sends out a PWM wave with a fixed duty ratio, when the power supply control device and the vehicle control device both detect the PWM wave with the duty ratio and detect that a resistance with a fixed resistance value exists on the CC signal in the power supply control device, the switches S6 and S7 are switched to CANH, and the switches S4 and S5 are switched to the CANL interface, so that the charging pile and the vehicle perform more data information interaction, the whole charging process can be monitored, and more information display and operation can be performed on the charging pile.
FIG. 2 is a block diagram of control signals in the present invention, and the vehicle control system shown in the figure comprises a main control module, a charging control module and a connection detection module, wherein the main control module, the charging control module and the connection detection module are connected via wires, the vehicle control system and the power supply system are respectively provided with a switch for controlling CAN communication and correspondingly arranged as a second switch and a third switch, the second switch and the third switch are controlled to be connected to the same CAN bus connection point through the PWM signals, so as to transmit bus information, the second switch and the third switch are arranged at two ends of the connection detection module, the CAN bus is arranged in the connection detection module, the second switch and the third switch are connected to the CAN bus with the same frequency through the connection detection module.
In the prior art, the CC and CP signals bear signals such as charging connection confirmation, charging control and the like, and direct interaction between information such as battery SOC and charging remaining time and the charging pile cannot be embodied, so that the information displayed on a display screen of the charging pile is too little to be intuitively understood by a client, and the use of the charging pile is inconvenient for a user; be provided with the display module who is used for showing the state of charge information in the electric pile that fills of present case, power supply control system links to each other with the display module electrical property to show that the CAN bus receives and transmits in control system's state of charge information, CAN install the display screen that is used for showing the information of charging in filling electric pile usually, consequently only need with the system information display of CAN receipt on it CAN, the setting mode is fairly simple relatively.
Adopt this technical scheme, satisfy the connecting circuit of the compatible CAN communication of current interface national standard through adopting electric automobile and alternating-current charging stake, make between the vehicle and the electric pile both CAN carry out the information interaction through national standard's mode, simultaneously compatible CAN communication, interactive information CAN be strengthened, through adding in the charging device with communication demand assorted bus signal access point, and the switch point setting of control bus signal is in the control system of trolley-bus, start CAN communication through the PWM signal, so that it CAN acquire the charged state information of trolley-bus to fill electric pile, obtain the effect of real time monitoring charge signal, show it on the display screen that fills electric pile again, so that the user knows the information of charging more directly perceivedly, grasp the time and the rhythm of charging, be convenient for electric automobile's in-service use.
The present invention has been described above with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above-mentioned manner, and various insubstantial improvements can be made without modification to the method and technical solution of the present invention, or the present invention can be directly applied to other occasions without modification, all within the scope of the present invention.
Claims (4)
1. The utility model provides an electric automobile charging device based on CAN communication, includes as power supply unit fills electric pile and with fill electric automobile that electric pile electrical property links to each other, its characterized in that: a vehicle control system for controlling the charging of the automobile is arranged in the electric automobile, and a first CAN connection port is arranged in the vehicle control system so as to trigger CAN communication with the charging pile through the state that the charging pile is electrically connected with the vehicle control system;
the charging pile is internally provided with a power supply control system, the power supply control system is internally provided with a first switch used for triggering a PWM signal, the power supply control system is provided with a second CAN connection port corresponding to a bus connection port arranged in the charging pile, the power supply control system controls CAN communication between the power supply control system and a vehicle control system through the PWM signal triggered by the first switch, the vehicle control system comprises a main control module, a charging control module and a connection detection module, the main control module, the charging control module and the connection detection module are connected through leads, and therefore the charging control module and the connection detection module CAN receive the charging signal input by the charging control module and control the first switch to close and output the PWM signal.
2. The CAN communication-based electric vehicle charging apparatus as claimed in claim 1, wherein the vehicle control system and the power supply control system are respectively provided with a switch for controlling CAN communication, the switches are respectively provided as a second switch and a third switch, and the vehicle control system and the power supply system are connected to the same CAN bus connection point through PWM signals to control the second switch and the third switch to transmit bus information.
3. The CAN communication-based electric vehicle charging apparatus of claim 2, wherein the second switch and the third switch are disposed at both ends of the connection detection module, and the CAN bus is disposed in the connection detection module to be connected to the CAN bus of the same frequency through the connection detection module.
4. The CAN communication-based electric vehicle charging device according to claim 1, wherein a display module for displaying the charging state information is arranged in the charging pile, and the power supply control system is electrically connected with the display module to display the charging state information received by the CAN bus and transmitted to the control system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921773997.9U CN212073741U (en) | 2019-10-22 | 2019-10-22 | Electric automobile charging device based on CAN communication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921773997.9U CN212073741U (en) | 2019-10-22 | 2019-10-22 | Electric automobile charging device based on CAN communication |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212073741U true CN212073741U (en) | 2020-12-04 |
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ID=73555545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921773997.9U Expired - Fee Related CN212073741U (en) | 2019-10-22 | 2019-10-22 | Electric automobile charging device based on CAN communication |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212073741U (en) |
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2019
- 2019-10-22 CN CN201921773997.9U patent/CN212073741U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201204 |
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| CF01 | Termination of patent right due to non-payment of annual fee |