CN218785929U - Wireless charging and vehicle-mounted charging dual-charging power lithium battery - Google Patents
Wireless charging and vehicle-mounted charging dual-charging power lithium battery Download PDFInfo
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- CN218785929U CN218785929U CN202222760070.XU CN202222760070U CN218785929U CN 218785929 U CN218785929 U CN 218785929U CN 202222760070 U CN202222760070 U CN 202222760070U CN 218785929 U CN218785929 U CN 218785929U
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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
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- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The utility model relates to a wireless charging and vehicle-mounted charging dual-charging power lithium battery, which comprises a power lithium battery (15), wherein the power lithium battery (15) is respectively and electrically connected with a wireless charging module and a vehicle-mounted charger; the wireless charging module comprises a wireless module transmitting end and a wireless module receiving end, and the receiving end is connected with the power lithium battery for charging. The utility model relates to a rationally, compact structure and convenient to use.
Description
Technical Field
The utility model relates to a wireless charging and on-vehicle two electric power lithium cells that charge.
Background
With the popularization of new energy, the application of lithium batteries is wider and wider, and particularly for new energy automobiles and four-wheel low-speed automobiles, the development of corresponding power lithium batteries is faster and faster.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a wireless charging and on-vehicle two charging power lithium cells that charge are provided overall.
In order to solve the above problems, the utility model adopts the following technical proposal:
a wireless charging and vehicle-mounted charging dual-charging power lithium battery comprises a power lithium battery, wherein the power lithium battery is respectively and electrically connected with a wireless charging module and a vehicle-mounted charger; the wireless charging module comprises a wireless module transmitting end and a wireless module receiving end, and the receiving end is connected with the power lithium battery for charging.
As a further improvement of the technical scheme:
the shell part is provided with a communication end, a charging end, a discharging end, a control end,
The charging end comprises a vehicle-mounted charging end and a wireless charging end;
the power lithium battery end is provided with a vehicle-mounted charging interface and a wireless charging interface;
a wireless charging relay, a vehicle-mounted charging relay, a discharging relay, a pre-charging resistor, a pre-charging relay, a shunt, a FUSE FUSE, a battery management module and a battery core group are arranged in the power lithium battery; the battery management module is electrically connected with the low-voltage and communication interface;
the input end of the battery management module is electrically connected with a collection end and is used for sampling voltage and temperature;
in the battery management module, the current detection terminal is electrically connected with the shunt, the wireless charging relay terminal is electrically connected with the control coil of the wireless charging relay, the discharging relay terminal is electrically connected with the control coil of the discharging relay, the pre-charging relay terminal is electrically connected with the control coil of the pre-charging relay, and the vehicle-mounted charging relay terminal is electrically connected with the control coil of the vehicle-mounted charging relay.
In the battery management module, Q-ChgPwr is electrically connected with vehicle-mounted charging 12V, S-ChgPwr is electrically connected with wireless charging, BMSPwr is electrically connected with whole vehicle 12V, intCAN _His electrically connected with debugging CAN-H of the vehicle, vehCAN _ H is electrically connected with whole vehicle CAN-H, and ChgCAN _ H is electrically connected with charging CAN _ H;
the power supply part BAT + is divided into a plurality of paths, one path is connected to the anode of the high-voltage discharge interface through the pre-charging resistor and the execution switch of the pre-charging relay which are connected in series, and the other path is connected to the anode of the high-voltage discharge interface through the execution switch of the discharge relay; the three paths are connected to the positive electrode of the high-voltage discharge interface through an execution switch of the wireless charging interface; the four paths are connected to the positive electrode of the vehicle-mounted charging interface through an execution switch of the vehicle-mounted charging relay;
the power supply part BAT-is respectively and electrically connected with the vehicle-mounted charger of the high-voltage discharge interface through the shunt and the FUSE FUSE
The negative electrodes of the electric interface and the wireless charging interface;
the battery management module collects the voltage and temperature data of the cell group, and the battery management module collects that the cell voltage reaches a set threshold value, disconnects a discharging or charging relay and cuts off an external output circuit;
the wireless charging module comprises a transmitting end with a built-in transmitting coil and a receiving end with a built-in receiving coil.
The transmitting terminal of the wireless charging module is connected with an external alternating current input power supply through a transmitting terminal control box
The receiving end of the wireless module is connected with the power lithium battery through the transmitting end control box;
when the wireless charging module charges the power lithium battery, after a transmitting end power supply of the wireless charging module is closed, a transmitting coil of the transmitting end converts a high-frequency electric field of an input end into a high-frequency magnetic field, and transmits the high-frequency magnetic field to a receiving coil, the receiving coil is used for receiving the high-frequency magnetic field transmitted by the transmitting coil, converting the high-frequency magnetic field into the high-frequency electric field and outputting a direct-current low-voltage signal, a battery management module in the power lithium battery receives the wireless charging low-voltage signal, the battery management module enters a self-checking state, after the self-checking is normal, a wireless charging relay is closed, corresponding voltage and current are output according to a CAN charging request message transmitted by a communication end, the power lithium battery is charged, when the battery management module detects that any monomer voltage of the power lithium battery reaches a set voltage, the SOC of the remaining capacity of the battery management module is calibrated to be 100%, the wireless charging relay is disconnected, and the wireless charging operation is completed.
When the vehicle-mounted charger charges the power lithium battery, after the power supply of the vehicle-mounted charger is closed, the vehicle-mounted charger outputs a direct current signal, the battery management module enters a self-checking state after receiving the direct current signal of the vehicle-mounted charging, after the self-checking is normal, the vehicle-mounted charging relay is closed to charge the power lithium battery, when the battery management module detects that the voltage of any single body of the power lithium battery reaches a set voltage, the SOC of the residual electric quantity of the BMS module is calibrated to be 100%, and the vehicle-mounted charging relay is disconnected,
and finishing the vehicle-mounted charging operation.
The charge-discharge priority principle is that portable charging is larger than vehicle-mounted wireless charging and discharging is larger than charging; and when the charging signal disappears, the corresponding charging state is released.
The utility model discloses mainly provide two kinds of charge mode of power lithium cell, the user can adopt corresponding charge mode according to the difference that the scene was used to the power lithium cell, improves the convenience and the practicality of user's whole use greatly, has increased the user and has used experience and feel.
The utility model relates to a rationally, low cost, durable, safe and reliable, easy operation, labour saving and time saving, saving fund, compact structure and convenient to use.
Drawings
Fig. 1 is a schematic view of the charging method of the present invention.
Fig. 2 is a schematic diagram of the interface of the lithium battery according to the present invention.
Fig. 3 is an electrical schematic diagram of the inside of the lithium power battery of the present invention.
Fig. 4 is a schematic diagram of the wireless module wiring of the present invention.
1. A housing portion; 2. a communication terminal; 3. a charging terminal; 4. a vehicle-mounted charging end; 5. a wireless charging end; 6. a discharge end; 7. a control end; 8. a battery management module; 9. a collection end; 10. a transmitting terminal control box;
11. an AC220 plug; 12. a transmitting coil; 13. a receiving coil; 14. a transmitting terminal control box;
15. a power lithium battery; 16. a flow divider; 17. a wireless charging relay; 18. a discharge relay;
19. pre-charging a resistor; 20. a pre-charging relay; 21. FUSE insurance; 22. a vehicle-mounted charging relay;
23. a vehicle-mounted charging interface; 24. a wireless charging interface; 25. a high voltage discharge interface.
A shell part 1, a communication terminal 2, a charging terminal 3, a vehicle-mounted charging terminal 4, a wireless charging terminal 5 and a discharging terminal 6,
a control terminal 7, a battery management module 8, a collection terminal 9, a transmitting terminal control box 10, an AC220 plug
11, a transmitting coil 12, a receiving coil 13, a transmitting terminal control box 14, a power lithium battery 15, a current divider 16, a wireless charging relay 17, a discharging relay 18, a pre-charging resistor 19 and a pre-charging relay
20, a FUSE fuse 21, a vehicle-mounted charging relay 22, a vehicle-mounted charging interface 23, a wireless charging interface 24, a high-voltage discharging interface 25,
Detailed Description
As shown in fig. 1-4, the battery charger comprises a power lithium battery end, wherein the power lithium battery end is respectively and electrically connected with a wireless charging module and a vehicle-mounted charger; the wireless charging module comprises a wireless module transmitting end and a wireless module receiving end, and the receiving end is connected with the power lithium battery for charging;
the power lithium battery end comprises two charging interfaces, namely a wireless charging interface and a vehicle-mounted charging interface;
inside wireless charging relay that disposes of power lithium cell, on-vehicle charging relay, the relay that discharges, the preliminary filling resistance, the preliminary filling relay, the shunt, the insurance, battery management module (BMS) and electric core group, wherein, the preliminary filling resistance, preliminary filling relay and the relay that discharges are power lithium cell to outer output circuit, the shunt is power lithium cell current detection device, the insurance is power lithium cell protection device, wireless charging relay and on-vehicle charging relay are the end that charges of power lithium cell, above-mentioned electrical components and parts all are controlled by battery management module, battery management module gathers electric core group's voltage, data such as temperature, carry out different forms of control respectively according to the data acquisition state, if: when the battery management module acquires that the cell voltage reaches a lower limit (or upper limit) set value, a discharging (or corresponding charging) relay is disconnected, an integral external output circuit is cut off, and the safe use of the power battery pack is protected;
the charging mode described in this patent has two kinds, charges for wireless charging module and vehicle charger respectively, and the control strategy and the method of charging are as follows respectively:
wireless module charging
The wireless charging module is divided into a wireless module transmitting end and a wireless module receiving end, a transmitting coil is arranged in the transmitting end, a receiving coil is arranged in the receiving end, the wireless module transmitting end is connected with an external alternating current input power supply, and the wireless module receiving end is connected with the power lithium battery;
when the wireless module is used for charging the power lithium battery, after the power supply of the transmitting end of the wireless module is closed,
the method comprises the steps that a transmitting coil of a transmitting end converts a high-frequency electric field of an input end into a high-frequency magnetic field and transmits the high-frequency magnetic field to a receiving coil, the receiving coil is used for receiving the high-frequency magnetic field transmitted by the transmitting coil, the high-frequency magnetic field is converted into the high-frequency electric field and outputs a direct-current low-voltage signal, a BMS module in a power lithium battery enters a self-checking state after receiving a wireless charging low-voltage signal, after the self-checking is normal, a wireless charging relay is closed, corresponding voltage and current are output according to a CAN charging request message transmitted by a communication end to charge the power lithium battery, when the BMS module detects that any single voltage of the power lithium battery reaches a set voltage, the SOC (remaining electric quantity) of the BMS module is calibrated to be 100%, the wireless charging relay is disconnected, and wireless charging operation is completed;
charging of vehicle-mounted charger
When the vehicle-mounted charger is used for charging the power lithium battery, after the power supply of the vehicle-mounted charger is closed, the charger outputs a direct-current low-voltage signal, after the BMS module in the power lithium battery receives the vehicle-mounted charging low-voltage signal, the BMS module enters a self-checking state, after the self-checking is normal, the vehicle-mounted charging relay is closed to charge the power lithium battery, when the BMS module detects that any monomer voltage of the power lithium battery reaches a set voltage, the SOC (residual electric quantity) of the calibration BMS module is 100%, and the vehicle-mounted charging relay is disconnected
The electric appliance completes vehicle-mounted charging operation;
the charging and discharging connection states are distinguished by power supply modes. Example (c): when only the discharge signal exists, the discharge state is defined; the charge-discharge priority principle is as follows: portable charging is larger than vehicle-mounted wireless charging and discharging is larger than vehicle-mounted wireless charging. And if the charging and discharging are not mutually exclusive, detecting a corresponding charging signal and closing a corresponding charging loop. After the charge signal has disappeared, the charge signal is,
the corresponding state of charge is released.
The present invention has been fully described for clarity of disclosure, and is not further described in detail in the prior art.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious to those skilled in the art that a plurality of technical means of the present invention may be combined. Such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.
Claims (4)
1. The utility model provides a wireless charging and on-vehicle two charging power lithium cells that charge which characterized in that: the vehicle-mounted charging system comprises a power lithium battery (15), wherein the power lithium battery (15) is respectively and electrically connected with a wireless charging module and a vehicle-mounted charger; the wireless charging module comprises a wireless module transmitting end and a wireless module receiving end, and the receiving end is connected with the power lithium battery for charging; the shell part (1) is provided with a communication end (2), a charging end (3), a discharging end (6), a control end (7), and the charging end (3) comprises a vehicle-mounted charging end (4) and a wireless charging end (5);
the power lithium battery end is provided with a vehicle-mounted charging interface (23) and a wireless charging interface (24);
a wireless charging relay (17), a vehicle-mounted charging relay (22), a discharging relay (18), a pre-charging resistor (19), a pre-charging relay (20), a shunt (16), a FUSE FUSE (21), a battery management module (8) and a battery core group are arranged in the power lithium battery (15); the battery management module (8) is electrically connected with the low-voltage and communication interface;
the input end of the battery management module (8) is electrically connected with a collection end (9) and is used for sampling voltage and temperature;
in the battery management module (8), the current detection terminal is electrically connected with the shunt (16), the wireless charging relay terminal is electrically connected with the control coil of the wireless charging relay (17), the discharging relay terminal is electrically connected with the control coil of the discharging relay (18), the pre-charging relay terminal is electrically connected with the control coil of the pre-charging relay (20), and the vehicle-mounted charging relay terminal is electrically connected with the control coil of the vehicle-mounted charging relay (22).
2. The cordless charging and on-board charging dual-charging power lithium battery as claimed in claim 1, wherein: in the battery management module (8), Q-ChgPwr is electrically connected with vehicle-mounted charging 12V, S-ChgPwr is electrically connected with wireless charging, BMSPwr is electrically connected with whole vehicle 12V, intCAN _His electrically connected with debugging CAN-H of the vehicle, vehCAN _ H is electrically connected with whole vehicle CAN-H, and ChgCAN _ H is electrically connected with charging CAN _ H;
the power supply part BAT + is divided into a plurality of paths, one path is connected to the anode of the high-voltage discharge interface (25) through a pre-charging resistor (19) and an execution switch of a pre-charging relay (20) which are connected in series, and the other path is connected to the anode of the high-voltage discharge interface (25) through the execution switch of a discharge relay (18); the three paths are connected to the positive electrode of a high-voltage discharging interface (25) through an execution switch of the wireless charging interface (24); the four paths are connected to the positive electrode of the vehicle-mounted charging interface (23) through an execution switch of the vehicle-mounted charging relay (22);
the power supply unit BAT-is respectively and electrically connected with the negative electrodes of the vehicle-mounted charging interface (23) and the wireless charging interface (24) of the high-voltage discharging interface (25) through the shunt (16) and the FUSE FUSE (21);
the battery management module (8) collects the data of the voltage and the temperature of the battery cell group, and the battery management module (8) collects that the voltage of the battery cell reaches a set threshold value, disconnects a discharging or charging relay and cuts off an external output circuit;
the wireless charging module comprises a transmitting end with a built-in transmitting coil (12) and a receiving end with a built-in receiving coil (13).
3. The dual charging power lithium battery for cordless charging and on-board charging of claim 1, wherein: the transmitting end of the wireless charging module is connected with an external alternating current input power AC220 plug (11) through a transmitting end control box A (10), and the receiving end of the wireless charging module is connected with a power lithium battery (15) through a transmitting end control box (14);
when the wireless charging module charges for the power lithium battery, after a transmitting end power supply of the wireless charging module is closed, a transmitting coil (12) of the transmitting end converts a high-frequency electric field of an input end into a high-frequency magnetic field, and transmits the high-frequency magnetic field to a receiving coil (13), the receiving coil (13) is used for receiving the high-frequency magnetic field transmitted by the transmitting coil and converting the high-frequency magnetic field into the high-frequency electric field to output a direct-current low-voltage signal, after a battery management module (8) in the power lithium battery (15) receives the wireless charging low-voltage signal, the battery management module (8) enters a self-checking state, after the self-checking is normal, a wireless charging relay (17) is closed, corresponding voltage and current are output according to a CAN charging request message transmitted by a communication end to charge the power lithium battery (15), when the battery management module (8) detects that any monomer voltage of the power lithium battery (15) reaches a set voltage, the SOC of the battery management module (8) is calibrated to be 100%, the wireless charging relay is disconnected, and the wireless charging operation is completed.
4. The dual charging power lithium battery for cordless charging and on-board charging of claim 1, wherein:
when the vehicle-mounted charger charges the power lithium battery (15), after the power supply of the vehicle-mounted charger is closed, the vehicle-mounted charger outputs a direct current signal, after the battery management module (8) receives the direct current signal of the vehicle-mounted charging, the battery management module (8) enters a self-checking state, after the self-checking is normal, the vehicle-mounted charging relay (22) is closed to charge the power lithium battery (15), when the battery management module (8) detects that any single voltage of the power lithium battery reaches a set voltage, the SOC of the residual electricity quantity of the BMS module is calibrated to be 100%, the vehicle-mounted charging relay is disconnected, and the vehicle-mounted charging operation is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222760070.XU CN218785929U (en) | 2022-10-20 | 2022-10-20 | Wireless charging and vehicle-mounted charging dual-charging power lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222760070.XU CN218785929U (en) | 2022-10-20 | 2022-10-20 | Wireless charging and vehicle-mounted charging dual-charging power lithium battery |
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| Publication Number | Publication Date |
|---|---|
| CN218785929U true CN218785929U (en) | 2023-04-04 |
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| CN202222760070.XU Active CN218785929U (en) | 2022-10-20 | 2022-10-20 | Wireless charging and vehicle-mounted charging dual-charging power lithium battery |
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| CN (1) | CN218785929U (en) |
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- 2022-10-20 CN CN202222760070.XU patent/CN218785929U/en active Active
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