CN210363463U - Charging control circuit of internet electric automobile - Google Patents

Charging control circuit of internet electric automobile Download PDF

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Publication number
CN210363463U
CN210363463U CN201921178099.9U CN201921178099U CN210363463U CN 210363463 U CN210363463 U CN 210363463U CN 201921178099 U CN201921178099 U CN 201921178099U CN 210363463 U CN210363463 U CN 210363463U
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voltage
low
power supply
battery
voltage power
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CN201921178099.9U
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黄祥源
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Changzhou Vocational Institute of Light Industry
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Changzhou Vocational Institute of Light Industry
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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
    • 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
    • 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
    • Y02T90/167—Systems integrating technologies related to power network operation and communication or information technologies for supporting the interoperability of electric or hybrid vehicles, i.e. smartgrids as interface for battery charging of electric vehicles [EV] or hybrid vehicles [HEV]
    • 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
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S30/00—Systems supporting specific end-user applications in the sector of transportation
    • Y04S30/10—Systems supporting the interoperability of electric or hybrid vehicles
    • Y04S30/12—Remote or cooperative charging

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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 relates to a net allies oneself with electric automobile charge control circuit, this net allies oneself with electric automobile charge control circuit includes: the low-voltage power supply unit, the high-voltage power supply unit electrically connected with the low-voltage power supply unit and the communication module are arranged on the power supply unit; the low-voltage power supply unit is suitable for monitoring the state information of the low-voltage storage battery, and when the electric quantity of the low-voltage storage battery is lower than a set value, the high-voltage power supply unit is suitable for charging the low-voltage storage battery; the low-voltage power supply unit and the high-voltage power supply unit are suitable for respectively uploading the state information of the low-voltage storage battery and the charging condition of the low-voltage storage battery to the server through the communication module; the utility model discloses a real-time status information to the low voltage battery monitors, and the timely control high voltage power supply charges to the low voltage battery, has solved the problem that the high pressure can't go up the electricity after the vehicle is put out of fire and has still work the low voltage battery that causes of part electrical apparatus module, has solved the insufficient voltage hidden danger when parking for a long time.

Description

Charging control circuit of internet electric automobile
Technical Field
The utility model relates to an electric automobile field of charging especially relates to a net connection electric automobile charging control circuit.
Background
According to the after-sales fault statistical data, in the case that a customer requests road rescue, there are a high percentage of cases that the vehicle cannot be started due to a power shortage of the storage battery. The reasons for the insufficient power of the storage battery are multiple, if the quality of the storage battery is poor, a customer forgets to close an electric appliance, the static electricity consumption is too large during the design of a part of vehicle systems, and the insufficient power cannot be started after the storage battery is parked for a long time. In recent years, along with the increasing abundance of the functions of automobile electric appliances, part of electric appliance modules still need to work for a period of time after the automobile is flamed out, and even after the automobile is dormant, the electric appliance modules wake up the automobile or the whole vehicle-mounted bus system for certain functions, so that the electric quantity loss of the automobile storage battery is aggravated. Especially for internet electric vehicles, due to the fact that periodic monitoring is still needed when a whole vehicle is in a dormant state, the whole vehicle safety state and power battery state data are stored and reported, and a lithium battery balancing strategy is operated under specific conditions, parking power consumption of a storage battery is increased in multiples due to the functions, the sustainable parking time of the vehicle is shortened seriously, and many customers report complaints that the vehicle cannot run due to the fact that high voltage cannot be electrified due to the fact that a low-voltage storage battery is insufficient.
Therefore, it is necessary to develop a new charging control circuit for an online electric vehicle to solve the above problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a net allies oneself with electric automobile charge control circuit to there is partial electrical apparatus module to still work the problem that causes the low-voltage battery insufficient voltage after solving the vehicle and putting out a fire.
In order to solve the technical problem, the utility model provides a net connection electric automobile charging control circuit, it includes: the low-voltage power supply unit, the high-voltage power supply unit electrically connected with the low-voltage power supply unit and the communication module are arranged on the power supply unit; the low-voltage power supply unit is suitable for monitoring the state information of the low-voltage storage battery, and when the electric quantity of the low-voltage storage battery is lower than a set value, the high-voltage power supply unit is suitable for charging the low-voltage storage battery; and the low-voltage power supply unit and the high-voltage power supply unit are suitable for respectively uploading the state information of the low-voltage storage battery and the charging condition of the low-voltage storage battery to the server through the communication module.
Further, the low voltage power supply unit includes: the low-voltage power supply control module, the battery electric quantity acquisition circuit electrically connected with the low-voltage power supply control module and the low-voltage storage battery are arranged in the battery; the battery power acquisition circuit is suitable for acquiring the state information of the low-voltage storage battery and sending the state information to the low-voltage power supply control module.
Further, the high voltage power supply unit includes: the high-voltage battery pack comprises a high-voltage power battery, a high-voltage battery control module, a high-voltage BMS module and a DC/DC converter; the high-voltage BMS module is suitable for detecting the state information of the high-voltage power battery and sending the state information to the high-voltage battery control module; when the state information of the high-voltage power battery is detected to meet the charging requirement, the high-voltage battery control module is suitable for controlling the DC/DC converter to be started so as to transmit the electric quantity in the high-voltage power battery to the low-voltage storage battery for charging.
Further, the electric automobile power supply system of networking includes: a CAN bus module; and the low-voltage power supply control module, the high-voltage battery control module and the communication module transmit information through the CAN bus module.
Further, the electric automobile power supply system of networking still includes: the vehicle-mounted processor module is connected with the CAN bus module; the vehicle-mounted processor module is suitable for sending a charging stopping signal to the high-voltage battery control module through the CAN bus module so as to stop charging.
The beneficial effects of the utility model are that, the utility model discloses a real-time state information to the low voltage battery monitors, and in time control high voltage power supply charges to the low voltage battery, has solved and has had partial electrical apparatus module still work after the vehicle is put out of fire and cause the problem that the unable electricity of low voltage battery insufficient voltage back high pressure was gone up, has solved the insufficient voltage hidden danger when parking for a long time.
Drawings
The present invention will be further explained with reference to the drawings and examples.
Fig. 1 is the utility model discloses a network connection electric automobile charge control circuit's functional block diagram.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Example 1
Fig. 1 is the utility model discloses a network connection electric automobile charge control circuit's functional block diagram.
In this embodiment, as shown in fig. 1, the present embodiment provides a charging control circuit for an online electric vehicle, which includes: the low-voltage power supply unit, the high-voltage power supply unit electrically connected with the low-voltage power supply unit and the communication module are arranged on the power supply unit; the low-voltage power supply unit is suitable for monitoring the state information of the low-voltage storage battery, and when the electric quantity of the low-voltage storage battery is lower than a set value, the high-voltage power supply unit is suitable for charging the low-voltage storage battery; and the low-voltage power supply unit and the high-voltage power supply unit are suitable for respectively uploading the state information of the low-voltage storage battery and the charging condition of the low-voltage storage battery to the server through the communication module.
In this embodiment, this embodiment monitors the status information of low-voltage battery through real-time, and in time control high voltage power supply charges to low-voltage battery, has solved the problem that the high pressure can't be gone up the electricity after the vehicle has flamed out and has had partial electrical apparatus module still to work and cause low-voltage battery insufficient voltage, has solved the insufficient voltage hidden danger when parking for a long time.
In order to collect status information of a low-voltage battery, the low-voltage power supply unit includes: the low-voltage power supply control module, the battery electric quantity acquisition circuit electrically connected with the low-voltage power supply control module and the low-voltage storage battery are arranged in the battery; the battery power acquisition circuit is suitable for acquiring the state information of the low-voltage storage battery and sending the state information to the low-voltage power supply control module.
In this embodiment, the low-voltage power supply control module may be, but is not limited to, an STM32 series single chip microcomputer.
In this embodiment, the battery power collecting circuit collects the sampling current of the low-voltage battery through a sampling resistor to obtain the battery power of the low-voltage battery.
In order to transfer the electric quantity in the high-voltage power battery to a low-voltage storage battery for charging, the high-voltage power supply unit comprises: the high-voltage battery pack comprises a high-voltage power battery, a high-voltage battery control module, a high-voltage BMS module and a DC/DC converter; the high-voltage BMS module is suitable for detecting the state information of the high-voltage power battery and sending the state information to the high-voltage battery control module; when the state information of the high-voltage power battery is detected to meet the charging requirement, the high-voltage battery control module is suitable for controlling the DC/DC converter to be started so as to transmit the electric quantity in the high-voltage power battery to the low-voltage storage battery for charging.
In the embodiment, the high-voltage battery control module can adopt but is not limited to an STM32 series single-chip microcomputer.
In order that the low-voltage power supply control module can communicate with the high-voltage battery control module, the power supply system of the internet electric vehicle comprises: a CAN bus module; and the low-voltage power supply control module, the high-voltage battery control module and the communication module transmit information through the CAN bus module.
For the convenience of the car owner can be to the nimble control of charging and discharging, networking electric automobile power supply system still includes: the vehicle-mounted processor module is connected with the CAN bus module; the vehicle-mounted processor module is suitable for sending a charging stopping signal to the high-voltage battery control module through the CAN bus module so as to stop charging.
In this embodiment, the terminal monitors the state information of the low-voltage storage battery and the charging condition of the low-voltage storage battery through the server, and can send a control signal to the vehicle-mounted processor module through the server to control charging and discharging, so that the function of remote supervision is realized.
To sum up, the utility model discloses a real-time status information to the low voltage battery monitors, and in time control high voltage power supply charges to the low voltage battery, has solved and has had partial electrical apparatus module still work after the vehicle is put out of fire and cause the problem that the unable electricity of low voltage battery insufficient voltage back high pressure was gone up, has solved the insufficient voltage hidden danger when parking for a long time.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims (5)

1. The utility model provides a networking electric automobile control circuit that charges which characterized in that includes:
the low-voltage power supply unit, the high-voltage power supply unit electrically connected with the low-voltage power supply unit and the communication module are arranged on the power supply unit; wherein
The low-voltage power supply unit is suitable for monitoring the state information of the low-voltage storage battery, and when the electric quantity of the low-voltage storage battery is lower than a set value, the high-voltage power supply unit is suitable for charging the low-voltage storage battery; and
the low-voltage power supply unit and the high-voltage power supply unit are suitable for respectively uploading the state information of the low-voltage storage battery and the charging condition of the low-voltage storage battery to the server through the communication module.
2. The charging control circuit of the networked electric vehicle of claim 1,
the low-voltage power supply unit includes: the low-voltage power supply control module, the battery electric quantity acquisition circuit electrically connected with the low-voltage power supply control module and the low-voltage storage battery are arranged in the battery;
the battery power acquisition circuit is suitable for acquiring the state information of the low-voltage storage battery and sending the state information to the low-voltage power supply control module.
3. The charging control circuit of the networked electric vehicle of claim 2,
the high-voltage power supply unit includes: the high-voltage battery pack comprises a high-voltage power battery, a high-voltage battery control module, a high-voltage BMS module and a DC/DC converter;
the high-voltage BMS module is suitable for detecting the state information of the high-voltage power battery and sending the state information to the high-voltage battery control module;
when the state information of the high-voltage power battery is detected to meet the charging requirement, the high-voltage battery control module is suitable for controlling the DC/DC converter to be started so as to transmit the electric quantity in the high-voltage power battery to the low-voltage storage battery for charging.
4. The charging control circuit of the networked electric vehicle of claim 3,
the electric automobile power supply system of networking includes: a CAN bus module;
and the low-voltage power supply control module, the high-voltage battery control module and the communication module transmit information through the CAN bus module.
5. The charging control circuit of the networked electric vehicle of claim 4,
the electric automobile power supply system of networking still includes: the vehicle-mounted processor module is connected with the CAN bus module;
the vehicle-mounted processor module is suitable for sending a charging stopping signal to the high-voltage battery control module through the CAN bus module so as to stop charging.
CN201921178099.9U 2019-07-24 2019-07-24 Charging control circuit of internet electric automobile Active CN210363463U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921178099.9U CN210363463U (en) 2019-07-24 2019-07-24 Charging control circuit of internet electric automobile

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921178099.9U CN210363463U (en) 2019-07-24 2019-07-24 Charging control circuit of internet electric automobile

Publications (1)

Publication Number Publication Date
CN210363463U true CN210363463U (en) 2020-04-21

Family

ID=70246418

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921178099.9U Active CN210363463U (en) 2019-07-24 2019-07-24 Charging control circuit of internet electric automobile

Country Status (1)

Country Link
CN (1) CN210363463U (en)

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