Integrated system and vehicle

Abstract

The embodiment of the utility model provides an integrated system and a vehicle. The integrated system comprises a vehicle-mounted wired charger power electronic conversion circuit, a vehicle-mounted wireless charger power electronic conversion circuit and a motor assembly power electronic conversion circuit. The first input end of the vehicle-mounted wired charger power electronic conversion circuit is connected with the first end of the alternating current charging port, the second input end of the vehicle-mounted wired charger power electronic conversion circuit is connected with the second end of the alternating current charging port, and the first output end of the vehicle-mounted wired charger power electronic conversion circuit is connected with the positive electrode of the first battery. The second output end of the vehicle-mounted wired charger power electronic conversion circuit is connected with the negative electrode of the first battery. The first input end of the motor assembly power electronic conversion circuit is connected with the positive electrode of the first battery, and the second input end of the motor assembly power electronic conversion circuit is connected with the negative electrode of the first battery. According to the embodiment, the size of the vehicle can be reduced.

Description

Technical Field

[0001] This application relates to the field of electronic circuit technology, specifically to an integrated system and vehicle. Background Technology

[0002] Compared to traditional vehicles, new energy vehicles have three core components: the "battery" assembly (referring to the battery and battery management system), the "motor" assembly (referring to the electric motor and motor controller), and the high-voltage "electronic control" assembly (including the on-board DC / DC converter, on-board charger, electric air conditioner, electric heater, high-voltage distribution box, and other high-voltage components).

[0003] With the intelligent development of new energy vehicles, the market share of electric vehicles continues to increase, and the size and volume of the three core components of vehicles are also increasing. How to reduce the size of vehicles has become an urgent problem to be solved. Utility Model Content

[0004] This application provides an integrated system and vehicle that can reduce the size of the vehicle.

[0005] A first aspect of this application provides an integrated system including an on-board wired charger, an on-board wireless charger, and a motor assembly. The on-board wired charger includes an on-board wired charger power electronic conversion circuit; the on-board wireless charger includes an on-board wireless charger power electronic conversion circuit; and the motor assembly includes a motor assembly power electronic conversion circuit.

[0006] The first input terminal of the power electronic conversion circuit of the on-board wired charger is connected to the first terminal of the AC charging port, the second input terminal of the power electronic conversion circuit of the on-board wired charger is connected to the second terminal of the AC charging port, the first output terminal of the power electronic conversion circuit of the on-board wired charger is connected to the positive terminal of the first battery, and the second output terminal of the power electronic conversion circuit of the on-board wired charger is connected to the negative terminal of the first battery.

[0007] The first input terminal of the power electronic conversion circuit of the vehicle wireless charger is connected to the first terminal of the wireless charging port, the second input terminal of the power electronic conversion circuit of the vehicle wireless charger is connected to the second terminal of the wireless charging port, the first output terminal of the power electronic conversion circuit of the vehicle wireless charger is connected to the positive terminal of the first battery, and the second output terminal of the power electronic conversion circuit of the vehicle wireless charger is connected to the negative terminal of the first battery.

[0008] The first input terminal of the power electronic conversion circuit of the motor assembly is connected to the positive terminal of the first battery, and the second input terminal of the power electronic conversion circuit of the motor assembly is connected to the negative terminal of the first battery.

[0009] In this embodiment, the on-board wired charger, on-board wireless charger, and motor assembly are integrated together, which can reduce the size and weight of the vehicle.

[0010] Optionally, the on-board wired charger further includes: a first control module; a first power supply terminal of the first control module is connected to the positive terminal of the second battery, a second power supply terminal of the first control module is connected to the negative terminal of the second battery, and an output terminal of the first control module is connected to the control terminal of the power electronic conversion circuit of the on-board wired charger.

[0011] Optionally, the first control module includes: a first MCU, a first control loop, and a first auxiliary power supply; the positive terminal of the first auxiliary power supply is connected to the positive terminal of the second battery, the negative terminal of the first auxiliary power supply is connected to the negative terminal of the second battery, the output terminal of the first auxiliary power supply is connected to the power supply terminal of the first MCU, the output terminal of the first MCU is connected to the input terminal of the first control loop, and the output terminal of the first control loop is connected to the control terminal of the power electronic conversion circuit of the on-board wired charger.

[0012] Optionally, the vehicle-mounted wireless charger further includes: a second control module; the first power supply terminal of the second control module is connected to the positive terminal of the second battery, the second power supply terminal of the second control module is connected to the negative terminal of the second battery, and the output terminal of the second control module is connected to the control terminal of the power electronic conversion circuit of the vehicle-mounted wireless charger.

[0013] Optionally, the second control module includes: a second MCU, a second control loop, and a second auxiliary power supply; the positive terminal of the second auxiliary power supply is connected to the positive terminal of the second battery, the negative terminal of the second auxiliary power supply is connected to the negative terminal of the second battery, the output terminal of the second auxiliary power supply is connected to the power supply terminal of the second MCU, the output terminal of the second MCU is connected to the input terminal of the second control loop, and the output terminal of the second control loop is connected to the control terminal of the power electronic conversion circuit of the vehicle-mounted wireless charger.

[0014] Optionally, the motor assembly further includes a third control module; the first power supply terminal of the third control module is connected to the positive terminal of the second battery, the second power supply terminal of the third control module is connected to the negative terminal of the second battery, and the output terminal of the third control module is connected to the control terminal of the power electronic conversion circuit of the motor assembly.

[0015] Optionally, the third control module includes: a third MCU, a third control loop, and a third auxiliary power supply; the positive terminal of the third auxiliary power supply is connected to the positive terminal of the second battery, the negative terminal of the third auxiliary power supply is connected to the negative terminal of the second battery, the output terminal of the third auxiliary power supply is connected to the power supply terminal of the third MCU, the output terminal of the third MCU is connected to the input terminal of the third control loop, and the output terminal of the third control loop is connected to the control terminal of the power electronic conversion circuit of the motor assembly.

[0016] Optionally, the integrated system further includes: a main control module; a first power supply terminal of the main control module is connected to the positive terminal of the second battery, and a second power supply terminal of the main control module is connected to the negative terminal of the second battery; a first output terminal of the main control module is connected to the control terminal of the power electronic conversion circuit of the on-board wired charger, a second output terminal of the main control module is connected to the control terminal of the power electronic conversion circuit of the on-board wireless charger, and a third output terminal of the main control module is connected to the control terminal of the power electronic conversion circuit of the motor assembly.

[0017] Optionally, the main control module includes: a fourth MCU, a fourth control loop, and a fourth auxiliary power supply.

[0018] Optionally, the power electronic conversion circuit of the on-board wired charger, the power electronic conversion circuit of the on-board wireless charger, and the power electronic conversion circuit of the motor assembly are integrated on a single printed circuit board (PCB).

[0019] A second aspect of this application provides a vehicle including the integrated system described in any of the first aspects of this application.

[0020] The integrated system of this application embodiment includes an on-board wired charger, an on-board wireless charger, and a motor assembly. The on-board wired charger includes an on-board wired charger power electronic conversion circuit; the on-board wireless charger includes an on-board wireless charger power electronic conversion circuit; the motor assembly includes a motor assembly power electronic conversion circuit; the first input terminal of the on-board wired charger power electronic conversion circuit is connected to the first terminal of the AC charging port, the second input terminal of the on-board wired charger power electronic conversion circuit is connected to the second terminal of the AC charging port, and the first output terminal of the on-board wired charger power electronic conversion circuit is connected to the positive terminal of the first battery. The second output terminal of the power electronic conversion circuit of the vehicle is connected to the negative terminal of the first battery; the first input terminal of the power electronic conversion circuit of the vehicle wireless charger is connected to the first terminal of the wireless charging port, the second input terminal of the power electronic conversion circuit of the vehicle wireless charger is connected to the second terminal of the wireless charging port, the first output terminal of the power electronic conversion circuit of the vehicle wireless charger is connected to the positive terminal of the first battery, and the second output terminal of the power electronic conversion circuit of the vehicle wireless charger is connected to the negative terminal of the first battery; the first input terminal of the power electronic conversion circuit of the motor assembly is connected to the positive terminal of the first battery, and the second input terminal of the power electronic conversion circuit of the motor assembly is connected to the negative terminal of the first battery. In this embodiment of the application, the vehicle wired charger, the vehicle wireless charger, and the motor assembly are integrated together, which can reduce the size and weight of the vehicle. Attached Figure Description

[0021] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the structure of an integrated system provided in an embodiment of this application;

[0023] Figure 2 This is a schematic diagram of the power electronic conversion circuit of a vehicle-mounted wired charger provided in an embodiment of this application;

[0024] Figure 3 This is a schematic diagram of the power electronic conversion circuit of an on-board wireless charger provided in an embodiment of this application;

[0025] Figure 4 This is a schematic diagram of the structure of a power electronic conversion circuit for a motor assembly provided in an embodiment of this application;

[0026] Figure 5 This is a schematic diagram of the structure of another integrated system provided in an embodiment of this application;

[0027] Figure 6 This is a schematic diagram of the structure of another integrated system provided in the embodiments of this application;

[0028] Figure 7 This is a schematic diagram of the structure of another integrated system provided in the embodiments of this application. Detailed Implementation

[0029] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0030] The terms "first," "second," etc., in the specification, claims, and accompanying drawings of this application are used to distinguish different objects, not to describe a specific order. Furthermore, the terms "comprising" and "having," and any variations thereof, are intended to cover non-exclusive inclusion. For example, a process, system, product, or apparatus that comprises a series of steps or units is not limited to the listed steps or units, but may optionally include steps or units not listed, or may optionally include other steps or units inherent to these processes, products, or apparatuses.

[0031] In this application, the reference to "embodiment" means that a specific feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a mutually exclusive, independent, or alternative embodiment. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described in this application can be combined with other embodiments.

[0032] Please see Figure 1 , Figure 1 This is a schematic diagram of the structure of an integrated system provided in an embodiment of this application. For example... Figure 1 As shown, the integrated system includes an on-board wired charger 10, an on-board wireless charger 20, and a motor assembly 30. The on-board wired charger 10 includes an on-board wired charger power electronic conversion circuit 11; the on-board wireless charger 20 includes an on-board wireless charger power electronic conversion circuit 21; and the motor assembly 30 includes a motor assembly power electronic conversion circuit 31.

[0033] The first input terminal of the on-board wired charger power electronic conversion circuit 11 is connected to the first terminal of the AC charging port, the second input terminal of the on-board wired charger power electronic conversion circuit 11 is connected to the second terminal of the AC charging port, the first output terminal of the on-board wired charger power electronic conversion circuit 11 is connected to the positive terminal of the first battery, and the second output terminal of the on-board wired charger power electronic conversion circuit 11 is connected to the negative terminal of the first battery.

[0034] The first input terminal of the vehicle-mounted wireless charger power electronic conversion circuit 21 is connected to the first terminal of the wireless charging port, the second input terminal of the vehicle-mounted wireless charger power electronic conversion circuit 21 is connected to the second terminal of the wireless charging port, the first output terminal of the vehicle-mounted wireless charger power electronic conversion circuit 21 is connected to the positive terminal of the first battery, and the second output terminal of the vehicle-mounted wireless charger power electronic conversion circuit 21 is connected to the negative terminal of the first battery.

[0035] The first input terminal of the motor assembly power electronic conversion circuit 31 is connected to the positive terminal of the first battery, and the second input terminal of the motor assembly power electronic conversion circuit 31 is connected to the negative terminal of the first battery.

[0036] The on-board wired charger power electronic conversion circuit 11 can convert the AC power from the AC charging port into DC power via a wired connection to charge the first battery. The on-board wired charger power electronic conversion circuit 11 can also invert the DC power from the first battery into AC power (e.g., 220V AC power) to power AC loads. AC loads can include appliances such as induction cookers, rice cookers, and coffee makers.

[0037] Please see Figure 2 , Figure 2 This is a schematic diagram of the power electronic conversion circuit of a vehicle-mounted wired charger provided in an embodiment of this application. Figure 2 As shown, the on-board wired charger power electronic conversion circuit 11 may include: a power factor correction (PFC) circuit and a direct current to direct current (DC-DC) converter. The DC-DC converter includes a primary-side power conversion circuit, a transformer, and a secondary-side power conversion circuit. The PFC circuit is used to convert the AC power from the AC charging port into DC power, and the DC-DC converter is used to convert one type of DC power into another type of DC power to charge the first battery.

[0038] The first battery can be the vehicle's power battery. The first battery can be a lithium battery, and its voltage is generally above 100V. The first battery can be used to power the vehicle's motor.

[0039] The vehicle-mounted wireless charger's power electronic conversion circuit 21 can wirelessly convert AC power to DC power to charge the first battery. The circuit 21 can also invert the DC power from the first battery back to AC power (e.g., 220V AC) to power AC loads. These AC loads can include appliances that require AC power, such as induction cookers, rice cookers, and coffee makers.

[0040] Please see Figure 3 , Figure 3 This is a schematic diagram of the power electronic conversion circuit of a vehicle-mounted wireless charger provided in an embodiment of this application. Figure 3 As shown, the power electronic conversion circuit 21 of the vehicle-mounted wireless charger may include: a PFC circuit, a DC-AC converter, a ground transmitting coil, a vehicle-mounted receiving coil, and an AC-DC converter. The PFC circuit is used to convert the AC power from the wireless charging port into DC power. The DC-AC converter is used to convert the DC power into AC power and then drive the ground transmitting coil to generate an alternating magnetic field. The vehicle-mounted receiving coil and the ground transmitting coil achieve energy transfer from the ground transmitting coil to the vehicle-mounted receiving coil through magnetic field coupling. The AC power generated by the vehicle-mounted receiving coil is converted into DC power by the AC-DC converter and then used to charge the first battery.

[0041] The motor assembly power electronic conversion circuit 31 can convert the DC power from the first battery into AC power to supply power to the motor.

[0042] Please see Figure 4 , Figure 4 This is a schematic diagram of the structure of a power electronic conversion circuit for a motor assembly provided in an embodiment of this application. Figure 4 As shown, the power electronic conversion circuit 31 of the motor assembly may include: a fuse circuit, a filter circuit, a motor controller, and a three-phase inverter bridge. The DC power output from the first battery passes through the fuse circuit (e.g., a fuse) and is then filtered by the filter circuit. The filtered DC power supplies the motor controller, and the DC power output from the motor controller outputs three-phase AC power through the three-phase inverter bridge to power the motor.

[0043] In this embodiment, the on-board wired charger 10, the on-board wireless charger 20, and the motor assembly 30 are integrated together, which can reduce the size and weight of the vehicle.

[0044] Please see Figure 5 , Figure 5 This is a schematic diagram of another integrated system provided in an embodiment of this application. For example... Figure 5 As shown, in Figure 1 On this basis, Figure 5 The on-board wired charger 10 further includes: a first control module 12; the first power supply terminal of the first control module 12 is connected to the positive terminal of the second battery, the second power supply terminal of the first control module 12 is connected to the negative terminal of the second battery, and the output terminal of the first control module 12 is connected to the control terminal of the power electronic conversion circuit 11 of the on-board wired charger.

[0045] The first control module 12 can control the switching transistors in the on-board wired charger power electronic conversion circuit 11 to turn on or off, thereby controlling the state of the on-board wired charger power electronic conversion circuit 11.

[0046] Switching transistors can include metal-oxide-semiconductor field-effect transistors (MOSFETs) or insulated-gate bipolar transistors (IGBTs). MOSFETs can also be called MOS tubes or MOS transistors.

[0047] The second battery can be a battery in the vehicle that supplies power to low-voltage loads. The second battery can be a rechargeable battery or a lithium battery, and its voltage is generally around 12V / 24V / 48V. The low-voltage load can be an electronic control unit (ECU) in the vehicle, which may include a vehicle infotainment system, music player, windshield wipers, steering module, braking module, etc., but this application does not limit the specific components.

[0048] Optional, such as Figure 6 As shown, the first control module 12 includes: a first MCU 121, a first control loop 122, and a first auxiliary power supply 123; the positive terminal of the first auxiliary power supply 123 is connected to the positive terminal of the second battery, the negative terminal of the first auxiliary power supply 123 is connected to the negative terminal of the second battery, the output terminal of the first auxiliary power supply 123 is connected to the power supply terminal of the first MCU 121, the output terminal of the first MCU 121 is connected to the input terminal of the first control loop 122, and the output terminal of the first control loop 122 is connected to the control terminal of the on-board wired charger power electronic conversion circuit 11.

[0049] The first microcontroller unit (MCU) controls the switching transistors in the power electronic conversion circuit 11 of the on-board wired charger to turn on or off. The first control loop can be a control loop between the first MCU, the primary-side power conversion circuit, and the secondary-side power conversion circuit. The first auxiliary power supply can be powered by the second battery.

[0050] Optional, such as Figure 5 As shown, the vehicle-mounted wireless charger 20 further includes: a second control module 22; the first power supply terminal of the second control module 22 is connected to the positive terminal of the second battery, the second power supply terminal of the second control module 22 is connected to the negative terminal of the second battery, and the output terminal of the second control module 22 is connected to the control terminal of the power electronic conversion circuit 21 of the vehicle-mounted wireless charger.

[0051] The second control module 22 can control the switching transistors in the power electronic conversion circuit 21 of the vehicle wireless charger to turn on or off, thereby controlling the state of the power electronic conversion circuit 21 of the vehicle wireless charger.

[0052] Optional, such as Figure 6 As shown, the second control module 22 includes: a second MCU 221, a second control loop 222, and a second auxiliary power supply 223; the positive terminal of the second auxiliary power supply 223 is connected to the positive terminal of the second battery, the negative terminal of the second auxiliary power supply 223 is connected to the negative terminal of the second battery, the output terminal of the second auxiliary power supply 223 is connected to the power supply terminal of the second MCU 221, the output terminal of the second MCU 221 is connected to the input terminal of the second control loop 222, and the output terminal of the second control loop 222 is connected to the control terminal of the power electronic conversion circuit 21 of the vehicle wireless charger.

[0053] The second MCU can control the switching transistors in the power electronic conversion circuit 21 of the on-board wireless charger to turn on or off. The second control loop can be a control loop between the second MCU, the DC-AC converter, and the AC-DC converter. The second auxiliary power supply can be provided by the second battery.

[0054] Optional, such as Figure 5 As shown, the motor assembly also includes a third control module 32; the first power supply terminal of the third control module 32 is connected to the positive terminal of the second battery, the second power supply terminal of the third control module 32 is connected to the negative terminal of the second battery, and the output terminal of the third control module 32 is connected to the control terminal of the power electronic conversion circuit 31 of the motor assembly.

[0055] The third control module 32 can control the switching transistors in the motor assembly power electronic conversion circuit 31 to turn on or off, thereby controlling the state of the motor assembly power electronic conversion circuit 31.

[0056] Optional, such as Figure 6As shown, the third control module 32 includes: a third MCU 321, a third control loop 322, and a third auxiliary power supply 323; the positive terminal of the third auxiliary power supply 323 is connected to the positive terminal of the second battery, the negative terminal of the third auxiliary power supply 323 is connected to the negative terminal of the second battery, the output terminal of the third auxiliary power supply 323 is connected to the power supply terminal of the third MCU 321, the output terminal of the third MCU 321 is connected to the input terminal of the third control loop 322, and the output terminal of the third control loop 322 is connected to the control terminal of the motor assembly power electronic conversion circuit 31.

[0057] The third MCU can control the switching transistors in the power electronic conversion circuit 31 of the motor assembly to turn on or off. The third control loop can be a control loop between the third MCU, the motor controller, and the three-phase inverter bridge. The third auxiliary power supply can be powered by the second battery.

[0058] Please see Figure 7 , Figure 7 This is a schematic diagram of the structure of another integrated system provided in an embodiment of this application. For example... Figure 7 As shown, in Figure 1 On this basis, Figure 7 The integrated system also includes: a main control module 40; the first power supply terminal of the main control module 40 is connected to the positive terminal of the second battery, the second power supply terminal of the main control module 40 is connected to the negative terminal of the second battery; the first output terminal of the main control module 40 is connected to the control terminal of the on-board wired charger power electronic conversion circuit 11, the second output terminal of the main control module 40 is connected to the control terminal of the on-board wireless charger power electronic conversion circuit 21, and the third output terminal of the main control module 40 is connected to the control terminal of the motor assembly power electronic conversion circuit 31.

[0059] In this embodiment, the control modules of the on-board wired charger 10, the on-board wireless charger 20, and the motor assembly 30 are integrated together. The on-board wired charger power electronic conversion circuit 11, the on-board wireless charger power electronic conversion circuit 21, and the motor assembly power electronic conversion circuit 31 can share a single main control module 40, which can save costs, reduce size and weight, and facilitate the overall vehicle installation layout.

[0060] The overall control module includes: a fourth MCU, a fourth control loop, and a fourth auxiliary power supply.

[0061] The fourth MCU can control the switching transistors in the on-board wired charger power electronic conversion circuit 11, the on-board wireless charger power electronic conversion circuit 21, and the motor assembly power electronic conversion circuit 31 to turn on or off. The fourth control loop can include control loops between the on-board wired charger power electronic conversion circuits 11, between the on-board wireless charger power electronic conversion circuits 21, and between the motor assembly power electronic conversion circuits 31. The fourth auxiliary power supply can be powered by the second battery.

[0062] Optionally, the on-board wired charger power electronic conversion circuit 11, the on-board wireless charger power electronic conversion circuit 21, and the motor assembly power electronic conversion circuit 31 are integrated on the same printed circuit board (PCB) to achieve PCB sharing and further improve integration.

[0063] This application also provides a vehicle that may include an integrated system.

[0064] The specific structure of the integrated system can be found above. Figure 1 or Figure 5 or Figure 6 or Figure 7 The circuit shown.

[0065] In the above embodiments, the descriptions of each embodiment have different focuses. For parts not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0066] In the several embodiments provided in this application, it should be understood that the disclosed integrated system can be implemented in other ways. For example, the embodiments of the integrated system described above are merely illustrative. For instance, the division of the units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed.

Claims

1. An integrated system, characterized in that, The device includes an on-board wired charger, an on-board wireless charger, and a motor assembly. The on-board wired charger includes a power electronic conversion circuit. The on-board wireless charger includes a power electronic conversion circuit. The motor assembly includes a power electronic conversion circuit. The first input terminal of the power electronic conversion circuit of the on-board wired charger is connected to the first terminal of the AC charging port, the second input terminal of the power electronic conversion circuit of the on-board wired charger is connected to the second terminal of the AC charging port, the first output terminal of the power electronic conversion circuit of the on-board wired charger is connected to the positive terminal of the first battery, and the second output terminal of the power electronic conversion circuit of the on-board wired charger is connected to the negative terminal of the first battery. The first input terminal of the power electronic conversion circuit of the vehicle wireless charger is connected to the first terminal of the wireless charging port, the second input terminal of the power electronic conversion circuit of the vehicle wireless charger is connected to the second terminal of the wireless charging port, the first output terminal of the power electronic conversion circuit of the vehicle wireless charger is connected to the positive terminal of the first battery, and the second output terminal of the power electronic conversion circuit of the vehicle wireless charger is connected to the negative terminal of the first battery. The first input terminal of the power electronic conversion circuit of the motor assembly is connected to the positive terminal of the first battery, and the second input terminal of the power electronic conversion circuit of the motor assembly is connected to the negative terminal of the first battery.

2. The integrated system according to claim 1, characterized in that, The on-board wired charger further includes: a first control module; the first power supply terminal of the first control module is connected to the positive terminal of the second battery, the second power supply terminal of the first control module is connected to the negative terminal of the second battery, and the output terminal of the first control module is connected to the control terminal of the power electronic conversion circuit of the on-board wired charger.

3. The integrated system according to claim 2, characterized in that, The first control module includes: a first MCU, a first control loop, and a first auxiliary power supply; the positive terminal of the first auxiliary power supply is connected to the positive terminal of the second battery, the negative terminal of the first auxiliary power supply is connected to the negative terminal of the second battery, the output terminal of the first auxiliary power supply is connected to the power supply terminal of the first MCU, the output terminal of the first MCU is connected to the input terminal of the first control loop, and the output terminal of the first control loop is connected to the control terminal of the power electronic conversion circuit of the on-board wired charger.

4. The integrated system according to claim 1, characterized in that, The vehicle-mounted wireless charger further includes: a second control module; the first power supply terminal of the second control module is connected to the positive terminal of the second battery, the second power supply terminal of the second control module is connected to the negative terminal of the second battery, and the output terminal of the second control module is connected to the control terminal of the power electronic conversion circuit of the vehicle-mounted wireless charger.

5. The integrated system according to claim 4, characterized in that, The second control module includes: a second MCU, a second control loop, and a second auxiliary power supply; the positive terminal of the second auxiliary power supply is connected to the positive terminal of the second battery, the negative terminal of the second auxiliary power supply is connected to the negative terminal of the second battery, the output terminal of the second auxiliary power supply is connected to the power supply terminal of the second MCU, the output terminal of the second MCU is connected to the input terminal of the second control loop, and the output terminal of the second control loop is connected to the control terminal of the power electronic conversion circuit of the vehicle-mounted wireless charger.

6. The integrated system according to claim 1, characterized in that, The motor assembly also includes a third control module; the first power supply terminal of the third control module is connected to the positive terminal of the second battery, the second power supply terminal of the third control module is connected to the negative terminal of the second battery, and the output terminal of the third control module is connected to the control terminal of the power electronic conversion circuit of the motor assembly.

7. The integrated system according to claim 6, characterized in that, The third control module includes: a third MCU, a third control loop, and a third auxiliary power supply; the positive terminal of the third auxiliary power supply is connected to the positive terminal of the second battery, the negative terminal of the third auxiliary power supply is connected to the negative terminal of the second battery, the output terminal of the third auxiliary power supply is connected to the power supply terminal of the third MCU, the output terminal of the third MCU is connected to the input terminal of the third control loop, and the output terminal of the third control loop is connected to the control terminal of the power electronic conversion circuit of the motor assembly.

8. The integrated system according to claim 1, characterized in that, The integrated system further includes: a main control module; the first power supply terminal of the main control module is connected to the positive terminal of the second battery, and the second power supply terminal of the main control module is connected to the negative terminal of the second battery; the first output terminal of the main control module is connected to the control terminal of the power electronic conversion circuit of the on-board wired charger, the second output terminal of the main control module is connected to the control terminal of the power electronic conversion circuit of the on-board wireless charger, and the third output terminal of the main control module is connected to the control terminal of the power electronic conversion circuit of the motor assembly.

9. The integrated system according to any one of claims 1 to 8, characterized in that, The power electronic conversion circuits of the on-board wired charger, the on-board wireless charger, and the motor assembly are integrated on a single printed circuit board (PCB).

10. A vehicle, characterized in that, Including the integrated system as described in any one of claims 1 to 9.

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