An integrated control device for a vehicle-mounted refrigerator and wireless charging

Abstract

The utility model provides an integration control device of vehicle refrigerator and wireless charging, include: wireless charging circuit board, vehicle refrigerator and signal wire harness, wireless charging circuit board is connected with vehicle refrigerator through signal wire harness electricity, wireless charging circuit board has integrated micro control unit for wireless charging control and for vehicle refrigerator control, the inside of vehicle refrigerator is provided with execution component and sensor component, and micro control unit exports control signal through signal wire harness to drive execution component and realizes temperature control, and micro control unit receives sensor signal from sensor component through signal wire harness, makes sensor signal outward transmission to wireless charging circuit board. The utility model's device combines the control module of vehicle refrigerator and the control module of wireless charging, realizes the same circuit board control two products, makes the single piece cost of vehicle, the hardware and software integrated development expense reduction, and the refrigerator and wireless charging are upgraded simultaneously when OTA upgrading, and the upgrading efficiency is improved.

Description

Technical Field

[0001] This utility model belongs to the field of automotive refrigerator control, specifically relating to an integrated control device for automotive refrigerator and wireless charging. Background Technology

[0002] In existing automotive product solutions, wireless charging devices are typically located on the front side of the center console armrest, while a car refrigerator is located on the rear side. These two products are currently developed and installed separately, and they are unrelated in terms of structural design and hardware circuitry.

[0003] In terms of technical implementation, in-vehicle refrigerators require microcontroller units (MCUs) for precise control, enabling precise regulation of their functions. Similarly, wireless charging products also require MCUs to control the charging process, ensuring safety and efficiency. Currently, both in-vehicle refrigerators and wireless charging products are controlled by independent MCUs.

[0004] While the existing installation and control methods ensure functional independence to some extent, they also increase costs and space requirements. Since each product requires a separate MCU chip for control, this not only increases hardware costs but also wastes space inside the center console. Furthermore, separate control schemes may have limitations in system integration and collaborative operation, impacting user experience and overall product performance. Utility Model Content

[0005] This invention proposes an integrated control device for a vehicle refrigerator and wireless charging, which solves the problem that existing wireless charging products and vehicle refrigerators use separate MCU chips for control, resulting in limitations in system integration and collaborative operation.

[0006] To solve the above-mentioned technical problems, this utility model provides an integrated control device for a vehicle refrigerator and wireless charging, including: a wireless charging circuit board, a wireless charging module, a vehicle refrigerator and a signal harness. The wireless charging circuit board is arranged on the circuit board of the wireless charging module, and the wireless charging circuit board and the vehicle refrigerator are electrically connected through the signal harness.

[0007] The wireless charging circuit board integrates a microcontroller unit for wireless charging control and for controlling the vehicle refrigerator.

[0008] The vehicle-mounted refrigerator is equipped with an actuator and a sensor assembly. The microcontroller outputs a control signal via the signal harness to drive the actuator to achieve temperature control. The microcontroller receives sensor signals from the sensor assembly via the signal harness and transmits the sensor signals to the wireless charging circuit board to achieve wireless charging.

[0009] Preferably, the wireless charging circuit board is provided with a power management module, which is connected to the vehicle's constant power supply.

[0010] Preferably, the execution component includes at least one of a semiconductor cooling module and a semiconductor heating module.

[0011] Preferably, the wireless charging circuit board is provided with a coil driving circuit, one end of which is electrically connected to the microcontroller unit and the other end is electrically connected to the coil in the wireless charging module.

[0012] Preferably, the wireless charging circuit board is provided with a cooling fan drive circuit, which is electrically connected to a cooling fan disposed in the wireless charging module.

[0013] Preferably, the wireless charging circuit board is provided with an NFC identification circuit, which is connected to the microcontroller unit. The NFC identification circuit is used to perform near-field communication with the mobile terminal to complete wireless charging identification and pairing.

[0014] Preferably, the wireless charging circuit board is provided with a keyless entry system PEPS avoidance circuit, which is connected to the microcontroller unit. The PEPS avoidance circuit is used to output an avoidance command to the microcontroller unit when the vehicle's PEPS working signal is detected.

[0015] Preferably, the wireless charging circuit board is provided with a CANFD communication interface, and the microcontroller communicates with the vehicle network through the CANFD communication interface.

[0016] Preferably, the sensor assembly and the signal harness are electrically connected, as are the actuator assembly and the signal harness, via pluggable connectors.

[0017] Preferably, the system further includes a voltage comparison module and a relay arranged in sequence, and the power management module is connected to the vehicle's constant power supply through the voltage comparison module and the relay.

[0018] The beneficial effects of this utility model include at least the following:

[0019] 1. By integrating a microcontroller unit for wireless charging control and vehicle refrigerator control onto the wireless charging circuit board, integrated control of the two functions is achieved, reducing hardware costs and space occupation, and improving the system's integration and collaborative working capabilities.

[0020] 2. The wireless charging circuit board integrates an NFC identification circuit, which can communicate with mobile terminals in the near field to complete wireless charging identification and pairing, improving the convenience of wireless charging and user experience.

[0021] 3. The wireless charging circuit board integrates a keyless entry system PEPS avoidance circuit, which can output an avoidance command when the vehicle's PEPS working signal is detected, and control the wireless charging power level to be turned off or limited within a predetermined period of time, avoiding conflicts with other vehicle systems and enhancing the compatibility of the device with the vehicle system. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the device structure according to an embodiment of the present utility model;

[0023] Figure 2 This is a schematic diagram of the structure of the wireless charging module according to an embodiment of the present invention.

[0024] In the diagram: 1-Wireless charging circuit board; 2-Wireless charging module; 3-Car refrigerator; 4-Signal harness; 5-Microcontroller unit; 6-Actuation component; 7-Sensor component; 8-Power management module; 9-Coil drive circuit; 10-Coil; 11-Cooling fan drive circuit; 12-Cooling fan; 13-NFC identification circuit; 14-Keyless entry system PEPS avoidance circuit; 15-CANFD communication interface; 16-Voltage comparison module; 17-Relay; 18-Face shell; 19-Shielding cover; 20-Bottom shell; 21-Fan cover; 22-Cockpit domain control module. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0026] This utility model embodiment provides an integrated control device for a vehicle refrigerator and wireless charging, including: a wireless charging circuit board 1, a wireless charging module 2, a vehicle refrigerator 3, and a signal harness 4. The wireless charging circuit board 1 is arranged on the circuit board of the wireless charging module 2, and the wireless charging circuit board 1 and the vehicle refrigerator 3 are electrically connected through the signal harness 4. In addition, the main structure of the wireless charging device and the main structure of the vehicle refrigerator are interconnected, and the circuit control method is the wiring harness connection.

[0027] The wireless charging circuit board 1 integrates a microcontroller unit 5 for wireless charging control and for controlling the vehicle refrigerator.

[0028] The vehicle refrigerator 3 is equipped with an actuator 6 and a sensor assembly 7. The microcontroller 5 outputs a control signal via a signal harness 4 to drive the actuator 6 to achieve temperature control. The microcontroller 5 receives sensor signals from the sensor assembly 7 via the signal harness 4 and transmits the sensor signals to the wireless charging circuit board 1.

[0029] Specifically, during operation, the microcontroller unit 5 outputs control signals to the actuator 6 inside the vehicle refrigerator 3 via the signal harness 4, driving the actuator 6 to achieve temperature control. Simultaneously, the microcontroller unit 5 receives sensor signals from the sensor assembly 7 inside the vehicle refrigerator 3 via the signal harness 4. These signals include data such as temperature and humidity, used to monitor the internal environmental conditions of the refrigerator in real time, and adjust the control signals based on this data to ensure that the temperature of the vehicle refrigerator 3 is controlled within the set range.

[0030] In this embodiment, the control circuit board of the refrigerator is separated, and a microcontroller unit 5 for wireless charging control and vehicle refrigerator control is integrated on the wireless charging circuit board 1, realizing integrated control of the two functions. This integrated design reduces hardware costs and space occupation, and improves the system's integration and collaborative working capabilities. The microcontroller unit 5 monitors and controls the temperature of the vehicle refrigerator 3 in real time, improving the accuracy and reliability of temperature control. The sensor assembly 7 can provide real-time feedback on the environmental status inside the refrigerator, and the microcontroller unit 5 automatically adjusts the working state of the execution assembly 6 based on this data to ensure the stability of the internal temperature of the refrigerator. The wireless charging circuit board 1 and the vehicle refrigerator 3 are electrically connected via a signal harness 4. This connection method simplifies wiring, reduces connection points, and improves the system's reliability and ease of maintenance. At the same time, the wireless charging function and the vehicle refrigerator function share the same microcontroller unit 5, realizing collaborative control of functions. This collaborative control not only improves the overall performance of the system but also enhances the user experience; for example, during wireless charging, the user can simultaneously enjoy the convenience of the vehicle refrigerator.

[0031] The wireless charging circuit board 1 is equipped with a power management module 8, which is connected to the vehicle's constant power supply.

[0032] Specifically, the power management module 8 is responsible for obtaining power from the vehicle's constant power supply and managing and distributing the power, converting the 12V vehicle power supply into a stable 5V voltage to power the microcontroller unit 5 and related circuits. It provides stable power support for the wireless charging circuit board 1 and the vehicle refrigerator 3, preventing equipment failures or performance degradation caused by power fluctuations. The stable power supply from the power management module 8 reduces system failures caused by power problems, improving the reliability and stability of the entire device.

[0033] The execution component 6 includes at least one of a semiconductor cooling module and a semiconductor heating module.

[0034] Specifically, the execution component 6 includes a semiconductor cooling module and a semiconductor heating module, enabling the vehicle refrigerator 3 to not only cool but also heat. This versatility allows the vehicle refrigerator 3 to meet more user needs, such as heating beverages or food in cold weather.

[0035] The wireless charging circuit board 1 is provided with a coil driving circuit 9. One end of the coil driving circuit 9 is electrically connected to the microcontroller unit 5, and the other end is electrically connected to the coil 10 in the wireless charging module 2.

[0036] Figure 2 This is a schematic diagram of the wireless charging module 2 according to an embodiment of the present invention. As can be seen from the figure, the coil 10 is located between the faceplate 18 and the shielding cover 19 of the wireless charging module 2. The microcontroller unit 5 controls the coil 10 in the wireless charging module 2 through the coil driving circuit 9 to realize the wireless charging function. The coil driving circuit 9 is responsible for converting the control signal of the microcontroller unit 5 into an electrical signal suitable for the operation of the coil 10, ensuring the high efficiency and stability of the wireless charging process.

[0037] The coil drive circuit 9 precisely converts the control signals from the microcontroller 5 into electrical signals suitable for the operation of the coil 10, ensuring efficient and stable wireless charging. This precise control improves wireless charging efficiency and reduces energy loss. By optimizing the design of the coil drive circuit 9, higher charging power can be achieved, thereby shortening charging time and improving user experience. Furthermore, by integrating the coil drive circuit 9 onto the wireless charging circuit board 1, the need for external circuitry is reduced, making the entire device more compact and integrated.

[0038] The wireless charging circuit board 1 is provided with a cooling fan drive circuit 11, which is electrically connected to the cooling fan 12 located in the wireless charging module.

[0039] Specifically, the cooling fan 12 is located between the bottom shell 20 and the fan cover 21 of the wireless charging module 2. The microcontroller unit 5 controls the speed of the cooling fan 12 through the cooling fan drive circuit 11 to ensure that the wireless charging module 2 maintains an appropriate temperature during operation and avoids overheating. Through the intelligent control of the microcontroller unit 5, the cooling fan 12 can automatically adjust its speed according to the actual temperature of the wireless charging module 2, achieving precise temperature control and avoiding excessive or insufficient heat dissipation.

[0040] The wireless charging circuit board 1 is equipped with an NFC identification circuit 13, which is connected to the microcontroller unit 5. The NFC identification circuit 13 is used to perform near-field communication with the mobile terminal to complete wireless charging identification and pairing.

[0041] Specifically, the NFC identification circuit 13 enables near-field communication with mobile terminals, achieving rapid wireless charging identification and pairing. Users simply need to bring their NFC-enabled mobile devices close to the wireless charging module 2 to automatically complete pairing, eliminating the need for manual operation and greatly improving the convenience of wireless charging. Furthermore, the NFC identification circuit 13 can identify different mobile devices and automatically adjust the wireless charging parameters according to the device's characteristics, ensuring the safety and efficiency of the charging process.

[0042] The wireless charging circuit board 1 is equipped with a keyless entry system PEPS avoidance circuit 14. The PEPS avoidance circuit 14 is connected to the microcontroller unit 5. When the PEPS avoidance circuit 14 detects the vehicle PEPS working signal, it outputs an avoidance command to the microcontroller unit 5.

[0043] Specifically, the PEPS avoidance circuit 14 is connected to the microcontroller 5. When it detects the PEPS working signal of the whole vehicle, it outputs an avoidance command to the microcontroller 5 and controls the wireless charging power level to be turned off or limited within a predetermined period of time to avoid electromagnetic interference to the PEPS system. The PEPS avoidance circuit 14 triggers the resumption of wireless charging after the PEPS ends, ensuring that the wireless charging module 2 automatically adjusts or suspends its work when the PEPS system is working, so as to avoid signal interference between the two.

[0044] By using the PEPS avoidance circuit 14, the device can be better integrated seamlessly with the vehicle's keyless entry system (PEPS), improving the overall system's compatibility and stability. This avoids malfunctions of the wireless charging module 2 or the PEPS system caused by signal interference, enhancing system reliability and stability and reducing user inconvenience.

[0045] The wireless charging circuit board 1 is equipped with a CANFD communication interface 15, and the microcontroller 5 communicates with the vehicle network through the CANFD communication interface 15.

[0046] Specifically, the CANFD communication interface 15 is connected to the vehicle's cockpit domain control module 22. Through the CANFD communication interface 15, the microcontroller unit 5 can conduct high-speed and reliable data communication with the vehicle network, enabling better integration of the wireless charging module 2 and the onboard refrigerator 3 into the vehicle system. The microcontroller unit 5 can receive commands and data from the vehicle network through the CANFD communication interface 15, achieving coordinated control with other vehicle systems. For example, it can adjust the wireless charging power or the onboard refrigerator's operating mode according to the vehicle's operating status. Users can centrally control the wireless charging module 2 and the onboard refrigerator 3 through the vehicle's central control panel or a smartphone application, improving convenience and flexibility.

[0047] The sensor assembly 7 and the signal harness 4, as well as the actuator 6 and the signal harness 4, are electrically connected via pluggable connectors.

[0048] Specifically, sensor assembly 7 and actuator assembly 6 are electrically connected to signal harness 4 via pluggable connectors, making the installation and replacement of these components more convenient. Maintenance personnel can quickly disconnect the connectors to replace or repair components without complex soldering or disassembly operations. The pluggable connector design reduces the time required for maintenance and component replacement, improving system availability and maintenance efficiency. Because pluggable connectors typically have good contact stability and vibration resistance, they ensure reliable connections between sensor assembly 7 and actuator assembly 6 and signal harness 4, reducing failures caused by poor contact. In the event of a failure, the pluggable connector can quickly isolate the faulty component, preventing the fault from spreading to other parts and improving the overall reliability of the system.

[0049] Voltage comparison modules 16 and 17 are sequentially installed between the vehicle's constant power supply and power management module 8.

[0050] Specifically, the voltage comparison module 16 can monitor the voltage of the vehicle's constant power supply in real time to ensure that the voltage received by the power management module 8 is within a safe range. When the on-board power supply voltage is lower than a preset threshold, the voltage comparison module 16 triggers the relay 17 to disconnect to prevent over-discharge of the battery and protect the power management module 8 and other electronic components from damage.

[0051] With the cooperation of voltage comparison module 16 and relay 17, power management module 8 can provide a more stable power supply, reducing equipment failures and performance degradation caused by voltage fluctuations.

[0052] This invention combines the control of a refrigerator and a wireless charging product, enabling the control of both products from a single circuit board. By selecting appropriate control and communication chips, development costs are significantly reduced. Furthermore, the reduced number of chips lowers unit costs and software / hardware integration development expenses. During over-the-air (OTA) upgrades for vehicles, both the refrigerator and wireless charging can be upgraded simultaneously, improving upgrade efficiency.

[0053] The technical features of the above embodiments can be combined arbitrarily. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. Only preferred embodiments of the present invention are shown, and the descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the present invention. As long as the combination of these technical features does not contradict each other, it should be considered as within the scope of this specification.

[0054] It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these all fall within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the appended claims.

Claims

1. An integrated control device for a vehicle-mounted refrigerator and wireless charging, characterized by comprising: include: The wireless charging circuit board (1), the wireless charging module (2), the car refrigerator (3) and the signal harness (4) are arranged on the circuit board of the wireless charging module (2), and the wireless charging circuit board (1) and the car refrigerator (3) are electrically connected through the signal harness (4). The wireless charging circuit board (1) integrates a microcontroller unit (5) for wireless charging control and for vehicle refrigerator control. The vehicle refrigerator (3) is equipped with an execution component (6) and a sensor component (7). The microcontroller (5) outputs a control signal through the signal harness (4) to drive the execution component (6) to achieve temperature control. The microcontroller (5) receives sensor signals from the sensor component (7) through the signal harness (4) and transmits the sensor signals to the wireless charging circuit board (1) to achieve wireless charging.

2. The integrated control device of the vehicle-mounted refrigerator and wireless charging according to claim 1, characterized in that: The wireless charging circuit board (1) is provided with a power management module (8), which is connected to the vehicle's constant power supply.

3. The integrated control device of the vehicle-mounted refrigerator and wireless charging according to claim 1, characterized in that: The execution component (6) includes at least one of a semiconductor cooling module and a semiconductor heating module.

4. The integrated control device for a vehicle-mounted refrigerator and wireless charging according to claim 1, characterized in that: The wireless charging circuit board (1) is provided with a coil driving circuit (9). One end of the coil driving circuit (9) is electrically connected to the micro control unit (5), and the other end is electrically connected to the coil (10) in the wireless charging module (2).

5. The integrated control device of the vehicle-mounted refrigerator and wireless charging according to claim 1, characterized in that: The wireless charging circuit board (1) is provided with a cooling fan drive circuit (11), which is electrically connected to the cooling fan (12) provided in the wireless charging module.

6. The integrated control device of the vehicle-mounted refrigerator and wireless charging according to claim 1, characterized in that: The wireless charging circuit board (1) is provided with an NFC identification circuit (13), which is connected to the microcontroller unit (5). The NFC identification circuit (13) is used to perform near-field communication with the mobile terminal to complete wireless charging identification and pairing.

7. The integrated control device of a vehicle refrigerator and wireless charging according to claim 1, characterized in that: The wireless charging circuit board (1) is provided with a keyless entry system PEPS avoidance circuit (14), which is connected to the microcontroller (5). The PEPS avoidance circuit (14) is used to output an avoidance command to the microcontroller (5) when the vehicle PEPS working signal is detected. 8.The integrated control device of a vehicle refrigerator and wireless charging according to claim 1, characterized in that: The wireless charging circuit board (1) is provided with a CANFD communication interface (15), and the microcontroller (5) communicates with the vehicle network through the CANFD communication interface (15).

9. The integrated control device of a vehicle refrigerator and wireless charging according to claim 1, characterized in that: The sensor assembly (7) and the signal harness (4), as well as the execution assembly (6) and the signal harness (4), are electrically connected via pluggable connectors.

10. The integrated control device of a vehicle refrigerator and wireless charging according to claim 2, characterized in that: It also includes a voltage comparison module (16) and a relay (17) arranged in sequence. The power management module (8) is connected to the vehicle's constant power supply through the voltage comparison module (16) and the relay (17).

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