CN210258097U - Power supply unit and electric automobile - Google Patents
Power supply unit and electric automobile Download PDFInfo
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- CN210258097U CN210258097U CN201921295231.4U CN201921295231U CN210258097U CN 210258097 U CN210258097 U CN 210258097U CN 201921295231 U CN201921295231 U CN 201921295231U CN 210258097 U CN210258097 U CN 210258097U
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- 238000007599 discharging Methods 0.000 claims abstract description 55
- 238000001514 detection method Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 9
- 230000005611 electricity Effects 0.000 abstract description 8
- 238000004891 communication Methods 0.000 abstract description 6
- 238000005516 engineering process Methods 0.000 abstract description 3
- 239000000919 ceramic Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization 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
- 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 provides a power supply unit and electric automobile relates to the emergent field of charging of V2V communication technology. The power supply device includes: the device comprises a main control unit, an auxiliary power supply unit, a direct current DC/direct current DC module unit, a discharging connector and a charging connector; the main control unit is electrically connected with the first end of the auxiliary power supply unit and the DC/DC module unit; the main control unit is communicated with a charging and discharging vehicle, at least one of the state of charge (SOC) of the vehicle before charging and discharging and in the charging process is obtained, and whether the vehicle is charged or discharged is judged according to the SOC. The utility model provides a power supply unit can be based on SOC judges and controls whether the car carries out charge-discharge, has avoided the problem of maliciously stealing electricity and the discharge vehicle overdischarge between the electric automobile, promotes car fail safe nature.
Description
Technical Field
The utility model relates to a V2V communication technology field of charging that meets an urgent need, in particular to power supply unit and electric automobile.
Background
At present, the existing V2V communication technology devices in the market are charged and discharged in two directions, and a hardware circuit is adopted to realize the conversion of current, so that the later maintenance is inconvenient; and as long as will discharge the end and charge the end regulation and connect the back well, just can realize charging and discharging, such design can lead to the electric motor car that the electric quantity is low to charge for the electric motor car that the electric quantity is high, and this leak can be stolen by maliciously electricity, has violated the function of the device's emergent power supply, and the vehicle that discharges does not have the monitoring function, causes the problem that the vehicle that discharges overdischarges easily, is unfavorable for promoting automobile fail safe nature.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides a power supply unit and electric automobile to solve the problem of maliciously stealing electric power and discharging vehicle overdischarge between the electric automobile.
In order to solve the technical problem, the utility model discloses a following technical scheme:
an embodiment of the utility model provides a power supply unit, include:
the device comprises a main control unit, an auxiliary power supply unit, a direct current DC/direct current DC module unit, a discharging connector and a charging connector;
the main control unit is electrically connected with the first end of the auxiliary power supply unit and the DC/DC module unit;
the main control unit is communicated with a charging and discharging vehicle, at least one of the state of charge (SOC) of the vehicle before charging and discharging and in the charging process is obtained, and whether the vehicle is charged or discharged is judged according to the SOC.
Further, the power supply device further includes:
a charging protocol module and a discharging protocol module;
the charging protocol module is connected with the charging connector through a Controller Area Network (CAN) bus and is connected with the main control unit;
the discharging protocol module is connected with the discharging connector through a Controller Area Network (CAN) bus and is connected with the main control unit.
Further, the power supply device further includes:
a high voltage relay;
the high-voltage relay is connected with the DC/DC module unit and is connected with the charging connector;
the DC/DC module unit is connected with the discharge connector.
Further, the power supply device further includes: a first relay and a second relay;
the first end of the first relay is connected with the A + end in the charging connector and connected with the A + end in the discharging connector;
the second end of the first relay is connected with the second end of the auxiliary power supply unit;
a first end of the second relay is connected with an A-end in the charging connector and is connected with an A-end in the discharging connector;
and the second end of the second relay is connected with the third end of the auxiliary power supply unit.
Further, the power supply device further includes:
a first resistor and a second resistor;
the first end of the first resistor is connected with the fourth end of the auxiliary power supply unit;
the first end of the second resistor is connected with the fifth end of the auxiliary power supply unit.
Further, still include:
a ground line PE;
and the PE end of the discharging connector is connected with the PE end of the charging connector.
Further, the power supply device further includes:
a connection detection line CC 1;
the CC1 end of the discharging connector is connected with the CC1 end of the charging connector;
the second end of the first resistor and the second end of the second resistor are both connected with the CC1 connecting line.
Further, the power supply device further includes:
a start-stop button;
the start-stop button is connected with the auxiliary power supply unit in the device.
The embodiment of the utility model provides an electric automobile is still provided, include as above power supply unit.
The utility model has the advantages that:
in the above aspect, the power supply device includes: the device comprises a main control unit, an auxiliary power supply unit, a direct current DC/direct current DC module unit, a discharging connector and a charging connector; the main control unit is electrically connected with the first end of the auxiliary power supply unit and the DC/DC module unit; the main control unit is communicated with a charging and discharging vehicle, at least one of the state of charge (SOC) of the vehicle before charging and discharging and in the charging process is obtained, and whether the vehicle is charged or discharged is judged according to the SOC. The utility model provides a power supply unit can be based on SOC judges and controls whether the car carries out charge-discharge to solve the problem of maliciously stealing electricity and discharging vehicle overdischarge between the electric automobile, promote car fail safe nature.
Drawings
Fig. 1 shows a schematic diagram of a power supply device according to the present invention.
Description of reference numerals:
1-a main control unit; 2-an auxiliary power supply unit; 3-direct current DC/direct current DC module unit; 4-a charging protocol module; 5-a discharge protocol module; 6-a discharge connector; 7-a charging connector; 8-a high-voltage relay; 9-a first resistance; 10-a second resistance; 11-a first relay; 12-second relay.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
The utility model discloses to probably cause the problem of maliciously stealing electricity and discharging vehicle to cross after discharging the end and charging the end connection, provide a power supply unit and electric automobile.
As shown in fig. 1, an embodiment of the present invention provides a power supply device, including: a main control unit 1, an auxiliary power supply unit 2, a direct current DC/direct current DC module unit 3, a discharging connector 6 and a charging connector 7;
the main control unit 1 is electrically connected with the first end of the auxiliary power supply unit 2 and the DC/DC module unit;
the main control unit 1 is communicated with a charging and discharging vehicle, at least one of the states of charge SOC before and during charging and discharging of the vehicle is obtained, and whether the vehicle is charged or discharged is judged according to the SOC.
The utility model provides a power supply unit the main control board communicates with the charging vehicle according to national standard requirement, acquires the SOC of vehicle, when the SOC of the discharging vehicle is lower than the SOC of the charging vehicle, the main control board stops charging and discharging; if the SOC of the discharging vehicle is higher than the charging vehicle, the charging and discharging process continues. The main control board can monitor the SOC of the charging and discharging vehicles in real time in the whole charging process, makes a judgment and controls whether the vehicles are charged and discharged or not so as to solve the problems of malicious electricity stealing and over-discharging of the discharging vehicles among the electric vehicles.
In an optional embodiment of the present invention, the power supply device may further include: a charging protocol module 4 and a discharging protocol module 5; the charging protocol module 4 is connected with the charging connector 7 through a Controller Area Network (CAN) bus and is connected with the main control unit 1; the discharge protocol module 5 is connected with the discharge connector 6 through a Controller Area Network (CAN) bus and is connected with the main control unit 1.
It should be further noted that the charging protocol and the discharging protocol both adopt national standard communication requirements, and the discharging protocol also acts on the electric vehicle to output voltage to the DC/DC module.
In an optional embodiment of the present invention, the power supply device may further include: a high-voltage relay 8; the high-voltage relay 8 is connected with the DC/DC module unit 3 and the charging connector 7; the DC/DC module unit 3 is connected to the discharge connector 6.
It should be further noted that the high-voltage relay 8 is mainly used for power output of the charging connection end 7 and the electric vehicle, and is controlled by the main control unit 1 by adopting a ceramic sealing structure with high short-circuit resistance, a ceramic airtight explosion-proof structure, a strong magnetic blow-out device and high-efficiency arc extinguishing capability; the DC/DC module unit is mainly used for DC filtering of input voltage and stabilization and safety of output voltage, and is controlled by the main control unit 1.
In an optional embodiment of the present invention, the power supply device may further include: a first relay 11 and a second relay 12; a first end of the first relay 11 is connected with an a + terminal in the charging connector 7 and with an a + terminal in the discharging connector 6; a second end of the first relay 11 is connected to a second end of the auxiliary power supply unit 2; a first terminal of the second relay 12 is connected to an a-terminal in the charging connector 7 and to an a-terminal in the discharging connector 6; a second terminal of the second relay 11 is connected to a third terminal of the auxiliary power supply unit 2.
In an optional embodiment of the present invention, the power supply device may further include: a first resistor 9 and a second resistor 10; a first end of the first resistor 9 is connected with a fourth end of the auxiliary power supply unit 2; a first end of the second resistor 10 is connected to a fifth end of the auxiliary power supply unit 2.
It should be further noted that, both the first resistor 9 and the second resistor 10 are selected to be 1k Ω; the first relay 11 and the second relay 12 are low-voltage direct-current relays for controlling the output of the auxiliary power supply unit 2; the auxiliary power supply unit 2 is mainly used for providing a wake-up unit for the electric automobile, supplying power to the main control unit 1, and providing a power supply for judging whether the electric automobile is connected.
In an optional embodiment of the present invention, the power supply device may further include: a ground line PE;
the PE terminal of the discharging connector 6 is connected to the PE terminal of the charging connector 7.
In an optional embodiment of the present invention, the power supply device may further include: a connection detection line CC 1; the CC1 end of the discharging connector 6 is connected with the CC1 end of the charging connector 7; the second end of the first resistor 9 and the second end of the second resistor 10 are both connected to the CC1 connection line.
In an optional embodiment of the present invention, the power supply device may further include: a start-stop button; the start-stop button is connected with the auxiliary power supply unit 2 in the device.
The utility model discloses an optional embodiment, start-up and stop of the whole charge-discharge process of start-stop button control on the device. After the device is connected with a discharging and charging automobile, the main control unit 1 judges whether the device is completely connected with the automobile or not by detecting the voltage value between the CC1 and the PE; when the start-stop key is pressed down and the main control unit 1 judges that the main control unit is completely connected with the vehicle, the main control unit 1 controls the first relay 11 and the second relay 12 to be closed, and a wake-up power supply is provided for the vehicle. When a user wants to stop charging and discharging, the user only needs to directly press a start-stop button of the device.
The utility model discloses an in an optional embodiment, the main control board acquires the BCL message of storage vehicle according to national standard communication protocol, then through CAN communication control 3 output voltage of DC/DC module, the magnitude of voltage is according to BCL demand voltage +10V output is waited 3 voltage output of DC/DC module is stable the back, main control unit 1 control 8 high-voltage relay is closed, switches on whole return circuit, realizes the purpose that the storage vehicle charges for storage vehicle of discharging.
It should be noted that, in the charging and discharging process, the main control unit 1 monitors the SOC of the vehicle in the whole charging and discharging process, and when the SOC of the charging vehicle is higher than that of the discharging vehicle, the main control board sends the BCL for stopping charging to the vehicle, and then stops the whole charging and discharging process. The aim is to reduce the possibility of electricity theft, and even if the electricity theft is maliciously discharged, the vehicle can be ensured to have enough electric quantity to drive to a nearby charging station.
The embodiment of the utility model provides an electric automobile is still provided, include as above power supply unit. The power supply device greatly avoids the problems of malicious electricity stealing and over-discharge of discharge vehicles between the electric automobiles, and ensures the quality and the safety and the reliability of the electric automobiles.
The foregoing is directed to the preferred embodiments of the present invention, and it will be understood by those skilled in the art that various changes and modifications may be made without departing from the principles of the invention, and that such changes and modifications are intended to be included within the scope of the invention.
Claims (9)
1. A power supply device, comprising:
the device comprises a main control unit (1), an auxiliary power supply unit (2), a direct current DC/direct current DC module unit (3), a discharging connector (6) and a charging connector (7);
the main control unit (1) is electrically connected with the first end of the auxiliary power supply unit (2) and the DC/DC module unit;
the main control unit (1) is communicated with a charging and discharging vehicle, at least one of the state of charge (SOC) of the vehicle before and during charging and discharging is obtained, and whether the vehicle is charged or discharged is judged according to the SOC.
2. The power supply device according to claim 1, further comprising:
a charging protocol module (4) and a discharging protocol module (5);
the charging protocol module (4) is connected with the charging connector (7) through a Controller Area Network (CAN) bus and is connected with the main control unit (1);
the discharging protocol module (5) is connected with the discharging connector (6) through a Controller Area Network (CAN) bus and is connected with the main control unit (1).
3. The power supply device according to claim 1, further comprising:
a high-voltage relay (8);
the high-voltage relay (8) is connected with the DC/DC module unit (3) and is connected with the charging connector (7);
the DC/DC module unit (3) is connected to the discharge connector (6).
4. The power supply device according to claim 1, further comprising: a first relay (11) and a second relay (12);
a first end of the first relay (11) is connected with an A + terminal in the charging connector (7) and is connected with an A + terminal in the discharging connector (6);
a second end of the first relay (11) is connected with a second end of the auxiliary power supply unit (2);
a first terminal of the second relay (12) is connected to an A-terminal of the charging connector (7) and to an A-terminal of the discharging connector (6);
the second end of the second relay (12) is connected with the third end of the auxiliary power supply unit (2).
5. The power supply device according to claim 1, further comprising:
a first resistor (9) and a second resistor (10);
the first end of the first resistor (9) is connected with the fourth end of the auxiliary power supply unit (2);
the first end of the second resistor (10) is connected with the fifth end of the auxiliary power supply unit (2).
6. The power supply device according to claim 1, further comprising:
a ground line PE;
and the PE end of the discharging connector (6) is connected with the PE end of the charging connector (7).
7. The power supply device according to claim 5, further comprising:
a connection detection line CC 1;
the CC1 end of the discharging connector (6) is connected with the CC1 end of the charging connector (7);
the second end of the first resistor (9) and the second end of the second resistor (10) are both connected with the CC1 connecting line.
8. The power supply device according to claim 1, further comprising:
a start-stop button;
the start-stop button is connected with the auxiliary power supply unit (2) in the device.
9. An electric vehicle characterized by comprising the power supply device according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921295231.4U CN210258097U (en) | 2019-08-09 | 2019-08-09 | Power supply unit and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921295231.4U CN210258097U (en) | 2019-08-09 | 2019-08-09 | Power supply unit and electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN210258097U true CN210258097U (en) | 2020-04-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921295231.4U Active CN210258097U (en) | 2019-08-09 | 2019-08-09 | Power supply unit and electric automobile |
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| CN (1) | CN210258097U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117227518A (en) * | 2023-11-14 | 2023-12-15 | 宁德时代新能源科技股份有限公司 | Charging device, charging system, and charging method |
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2019
- 2019-08-09 CN CN201921295231.4U patent/CN210258097U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117227518A (en) * | 2023-11-14 | 2023-12-15 | 宁德时代新能源科技股份有限公司 | Charging device, charging system, and charging method |
| CN117227518B (en) * | 2023-11-14 | 2024-04-12 | 宁德时代新能源科技股份有限公司 | Charging device, charging system, and charging method |
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