Heat recovery system based on vehicle

Abstract

The invention discloses a heat recovery system based on a vehicle, the heat recovery system comprises a temperature detection module, an air conditioner module comprises an air conditioner control device and an air conditioner device, the air conditioner device is provided with at least one air conditioner channel, and the air conditioner control device is connected with the air conditioner device and used for controlling the air outlet condition of the air conditioner channel. The vehicle controller is arranged at an air outlet of the air conditioner channel, and the temperature detection module is arranged on the vehicle controller. The vehicle controller is connected with the air conditioner control device and the temperature detection module and used for sending a first control instruction to the air conditioner control device to control the air outlet condition of the air conditioner channel so as to cool the vehicle controller when the temperature information of the vehicle controller is larger than a preset value in the first working state. And the heat of the vehicle controller is transferred to a cab. Therefore, the heat of the vehicle controller is used for adjusting the temperature of the vehicle cab when the environment temperature is low, the energy utilization rate is increased, and energy recovery is achieved.

Description

Technical Field

[0001] This invention relates to the field of vehicle thermal management technology, and more particularly to a vehicle-based heat recovery system. Background Technology

[0002] With the significant increase in computing power of intelligent connected vehicle controllers, the controllers are generating more and more heat, with high-performance chips producing a large amount of thermal energy. Furthermore, other drive controllers within electric vehicles also generate substantial heat due to the loads they drive. These issues have made heat dissipation technology a challenging problem for controller designers. Summary of the Invention

[0003] This invention provides a vehicle-based heat recovery system that uses the heat from the vehicle controller to regulate the temperature of the vehicle's cab when the ambient temperature is low, thereby improving energy utilization and realizing energy recovery.

[0004] In a first aspect, embodiments of the present invention provide a vehicle-based heat recovery system. The vehicle includes an air conditioning module and a vehicle controller. The heat recovery system includes a temperature detection module. The air conditioning module includes an air conditioning control device and an air conditioning unit. The air conditioning unit has at least one air conditioning duct. The air conditioning control device is connected to the air conditioning unit and is used to control the airflow of the air conditioning duct. The vehicle controller is located at the air outlet of the air conditioning duct. The temperature detection module is located on the vehicle controller and is used to detect the temperature information of the vehicle controller. The vehicle controller is connected to both the air conditioning control device and the temperature detection module. In a first operating state, when the temperature information of the vehicle controller is greater than a preset value, the vehicle controller sends a first control command to the air conditioning control device to control the airflow of the air conditioning duct, thereby dissipating heat from the vehicle controller and transferring the heat from the vehicle controller to the driver's cab.

[0005] Optionally, the vehicle may also include a manual temperature control device and an automatic temperature control device;

[0006] Both the manual temperature control device and the automatic temperature control device are communicatively connected to the air conditioning control device.

[0007] The artificial temperature control device is used to send a second control command to the air conditioning control device to adjust the airflow of the air conditioning duct.

[0008] The automatic temperature control device is used to send a third control command to the air conditioning control device to adjust the airflow of the air conditioning duct.

[0009] Optionally, the second control instruction has a first priority, the third control instruction has a second priority, and the first control instruction has a third priority;

[0010] The air conditioning control device is used to execute the control command with the highest priority when receiving multiple different control commands, wherein the first priority is the highest and the third priority is the lowest.

[0011] Optionally, the air conditioning module further includes an air outlet baffle, which is disposed at the air outlet of the air conditioning duct to adjust the air outlet direction of the air conditioning duct;

[0012] The vehicle controller is located between the air outlet of the air conditioning duct and the air outlet baffle.

[0013] Optionally, the heat recovery system further includes multiple heat sinks, the heat sinks having a thermal conductivity greater than that of the vehicle controller;

[0014] The heat sink is mounted on the vehicle controller, and the plane of the heat sink intersects with the air outlet direction of the air conditioning duct.

[0015] Optionally, the plurality of heat sinks are evenly arranged along the air outlet direction of the air conditioning duct, and the height of the heat sinks gradually increases along the air outlet direction.

[0016] Optionally, the vehicle controller includes a first heating element and a second heating element;

[0017] The heating efficiency of the first heating device is greater than that of the second heating device, and the first heating device is located on the side of the second heating device that is close to the air conditioning duct.

[0018] Optionally, the heat recovery system includes multiple ventilation valves, which are evenly arranged along the air outlet direction of the air conditioning duct;

[0019] The vehicle controller includes multiple controllers, each corresponding to a ventilation valve. The ventilation valve is used to direct the airflow from the air conditioning duct to the corresponding controller during operation, so as to dissipate heat from the corresponding controller.

[0020] The vehicle controller also includes a main control chip, which is electrically connected to multiple ventilation valves and the air conditioning control device, and is used to control at least some of the ventilation valves to work according to a set scheme.

[0021] Optionally, the temperature detection module includes multiple temperature detectors, each of which is configured to correspond one-to-one with the controller and is used to detect the first temperature information of the corresponding controller.

[0022] The main control chip is also electrically connected to multiple temperature detectors to acquire multiple first temperature information from the multiple temperature detectors and control the ventilation valve corresponding to the controller whose first temperature information is greater than a first preset value.

[0023] Optionally, the vehicle further includes a driver's seat, the air conditioning module includes a first air conditioning unit, the first air conditioning unit is disposed in the driver's seat, and the vehicle controller is disposed at the air outlet of the air conditioning duct in the first air conditioning unit.

[0024] This invention provides a vehicle-based heat recovery system. The vehicle includes an air conditioning module and a vehicle controller. The heat recovery system includes a temperature detection module. The air conditioning module includes an air conditioning control device and an air conditioning unit. The air conditioning unit has at least one air conditioning duct. The air conditioning control device is connected to the air conditioning unit and controls the airflow of the air conditioning duct. The vehicle controller is located at the air outlet of the air conditioning duct, and the temperature detection module is located on the vehicle controller. The temperature detection module detects the temperature information of the vehicle controller. The vehicle controller is connected to both the air conditioning control device and the temperature detection module. In a first operating state, when the temperature information of the vehicle controller is greater than a preset value, the vehicle controller sends a first control command to the air conditioning control device to control the airflow of the air conditioning duct, thereby dissipating heat from the vehicle controller and transferring the heat from the vehicle controller to the driver's cab. Thus, in the first operating state of the vehicle, i.e., when the ambient temperature is low and the temperature of the driver's cab needs to be increased, the temperature detection module detects the temperature information of the vehicle controller. When the temperature information is greater than the preset value, heat dissipation is required for the vehicle controller. The vehicle controller is then positioned at the air outlet of the air conditioning duct, and the air conditioning unit transfers the heat from the vehicle controller to the driver's cab, improving energy utilization and achieving energy recovery. Attached Figure Description

[0025] Figure 1 A simplified structural diagram of a vehicle-based heat recovery system provided in an embodiment of the present invention;

[0026] Figure 2 This is a schematic diagram of the structure of a vehicle controller provided in an embodiment of the present invention;

[0027] Figure 3 This is a schematic diagram of another vehicle controller provided in an embodiment of the present invention;

[0028] Figure 4 This is a schematic diagram of another vehicle controller provided in an embodiment of the present invention. Detailed Implementation

[0029] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.

[0030] It should be noted that the terms "comprising" and "having" and any variations thereof in the specification, claims and accompanying drawings of this invention are intended to cover non-exclusive inclusion. For example, a process, method, system, product or device that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such processes, methods, products or devices.

[0031] Figure 1 A simplified structural diagram of a vehicle-based heat recovery system provided in an embodiment of the present invention is shown below. Figure 1 The vehicle includes an air conditioning module 10 and a vehicle controller 20. The heat recovery system includes a temperature detection module 30. The air conditioning module 10 includes an air conditioning control device 110 and an air conditioning unit 120. The air conditioning unit 120 has at least one air conditioning duct 121. The air conditioning control device 110 is connected to the air conditioning unit 120 and is used to control the airflow of the air conditioning duct 121. The vehicle controller 20 is located at the air outlet of the air conditioning duct 121, and the temperature detection module 30 is located on the vehicle controller 20. The temperature detection module 30 is used to detect the temperature information of the vehicle controller 20. The vehicle controller 20 is connected to both the air conditioning control device 110 and the temperature detection module 30. In the first operating state, when the temperature information of the vehicle controller 20 is greater than a preset value, the vehicle controller 20 sends a first control command to the air conditioning control device 110 to control the airflow of the air conditioning duct 121, so as to dissipate heat from the vehicle controller 20 and transfer the heat of the vehicle controller 20 to the driver's cab.

[0032] Specifically, such as Figure 1As shown, the vehicle includes an air conditioning module 10 and a vehicle controller 20. The air conditioning module 10 includes an air conditioning control device 110 and an air conditioning unit 120. The air conditioning control device 110 is the main control module of the air conditioning module 10, and is connected to the air conditioning unit 120 to control the airflow of the air conditioning duct 121. The airflow can include the airflow force and airflow temperature of the air conditioning unit 120. For example, the air conditioning unit 120 may include a compressor and a condenser. The air conditioning control device 110 can adjust the operation of the compressor and the condenser, thereby adjusting the airflow force and airflow temperature of the air conditioning duct 121 on the air conditioning unit 120. The vehicle controller 20 can be a controller that generates a lot of heat in the vehicle, such as an intelligent connected controller, which requires significant computing power and generates a large amount of heat during operation. Some drive-type controllers also generate significant heat due to their drive loads. During normal vehicle operation, this heat needs to be dissipated in a timely manner to avoid affecting the normal operation of the intelligent connected controller or drive-type controller.

[0033] Based on the need for heat conduction in the vehicle controller 20, the inventors considered that during vehicle operation, especially in winter when the external ambient temperature is low, the driver and passengers need heat for warmth and do not want to place a greater burden on the vehicle's battery. Therefore, the heat generated by the vehicle controller 20 can be used to regulate the temperature inside the vehicle. For example, the heat recovery device of this embodiment includes a temperature detection module 30, and the vehicle controller 20 is installed at the air outlet of the air conditioning duct 121. The temperature detection module 30 is installed on the vehicle controller 20 and is used to detect the temperature information of the vehicle controller 20. Thus, in the first working state, that is, when the ambient temperature of the vehicle is low and the temperature inside the vehicle needs to be increased, the temperature detection module 30 detects the real-time temperature information of the vehicle controller 20. The vehicle controller 20 itself has information processing functions. When the main control module of the vehicle controller 20 determines that the temperature information detected by the temperature detection module 30 is greater than the preset value, it indicates that the vehicle controller 20 needs to be cooled. The module sends a first control command to the air conditioning control device 110. After receiving the first control command, the air conditioning control device 110 controls the operation of the air conditioning device 120 according to the first control command, so as to control the air outlet of the air conditioning duct 121. The airflow strength and airflow temperature of the air conditioning duct 121 are used to cool the vehicle controller 20 located at the air outlet. At the same time, the heat of the vehicle controller 20 is transferred to the driver's cab and the entire interior space through the air conditioning module 10, thereby providing the temperature of the interior space. In this way, while cooling the vehicle controller 20, the heat of the vehicle controller 20 can be transferred to the driver's cab through the air conditioning device 10, improving the energy utilization rate and realizing energy recovery.

[0034] It should be noted that the air conditioning module 10 also includes an air vent baffle (not shown in the figure), which is located at the air outlet of the air conditioning duct 121 to adjust the airflow direction of the air conditioning duct 121. The vehicle controller 20 is located between the air outlet of the air conditioning duct 121 and the air vent baffle. Specifically, the air vent baffle is exposed in front of the driver or passenger, who can manually adjust the position of the fan blades of the air vent baffle to adjust the airflow direction of the air conditioning duct 121. That is, the air vent baffle is located on the outermost side of the entire air conditioning module 10. By placing the vehicle controller 20 between the air outlet of the air conditioning duct 121 and the air vent baffle, the vehicle controller 20 is hidden inside the vehicle, thus preventing the vehicle controller 20 from being exposed in front of the driver or passenger and preventing electrostatic discharge accidents caused by accidental contact by the driver or passenger.

[0035] In summary, the vehicle-based heat recovery system provided by this embodiment of the invention includes an air conditioning module and a vehicle controller. The heat recovery system includes a temperature detection module. The air conditioning module includes an air conditioning control device and an air conditioning unit. At least one air conditioning duct is provided on the air conditioning unit. The air conditioning control device is connected to the air conditioning unit and is used to control the airflow of the air conditioning duct. The vehicle controller is located at the air outlet of the air conditioning duct, and the temperature detection module is located on the vehicle controller. The temperature detection module is used to detect the temperature information of the vehicle controller. The vehicle controller is connected to both the air conditioning control device and the temperature detection module. In the first operating state, when the temperature information of the vehicle controller is greater than a preset value, it sends a first control command to the air conditioning control device to control the airflow of the air conditioning duct, thereby dissipating heat from the vehicle controller and transferring the heat from the vehicle controller to the driver's cab. Thus, in the first operating state of the vehicle, i.e., when the ambient temperature is low and the temperature of the driver's cab needs to be increased, the temperature information of the vehicle controller is detected by the temperature detection module. When the temperature information is greater than the preset value, heat dissipation is required for the vehicle controller. The vehicle controller is then located at the air outlet of the air conditioning duct, and the heat from the vehicle controller is transferred to the driver's cab through the air conditioning unit, improving energy utilization and achieving energy recovery.

[0036] Optionally, based on the above embodiments, see also... Figure 1 The vehicle also includes a manual temperature control device 410 and an automatic temperature control device 420. Both the manual temperature control device 410 and the automatic temperature control device 420 are communicatively connected to the air conditioning control device 110. The manual temperature control device 410 is used to send a second control command to the air conditioning control device 110 to adjust the airflow of the air conditioning duct 121. The automatic temperature control device 420 is used to send a third control command to the air conditioning control device 110 to adjust the airflow of the air conditioning duct 121.

[0037] Specifically, such as Figure 1As shown, the vehicle also includes a manual temperature control device 410 and an automatic temperature control device 420. The manual temperature control device 410 is communicatively connected to the air conditioning control device 110 and is used to adjust the airflow from the air conditioning duct 121. For example, the manual temperature control device 410 is controlled manually. For instance, when the driver feels the temperature inside the cabin is too high or too low, they can send a second control command to the air conditioning control device 110 manually or via voice. Upon receiving the second control command, the air conditioning control device 110 controls the operation of the air conditioning unit 120 according to the command, thereby controlling the airflow from the air conditioning duct 121 to adjust the temperature inside the cabin according to the driver's intention. The automatic temperature control device 420 is communicatively connected to the air conditioning control device 110 and is used to monitor the temperature information inside the cabin in real time and automatically adjust the temperature inside the cabin based on this information. For example, a comfortable temperature is set in the cab under a specific ambient temperature, and the temperature information in the cab is monitored in real time. If the temperature information in the cab is greater than or less than the comfortable temperature, a third control command is sent to the air conditioning control device 110. After receiving the third control command, the air conditioning control device 110 controls the operation of the air conditioning device 120 according to the third control command, thereby controlling the air outlet of the air conditioning duct 121 to automatically adjust the temperature in the cab according to the comfortable temperature.

[0038] It should be noted that both the manual temperature control device 410 and the automatic temperature control device 420 can communicate with the air conditioning control device 110 via Ethernet. This invention does not impose any restrictions on this, and those skilled in the art can configure it as needed.

[0039] Understandably, since the vehicle controller 20, manual temperature control device 410, and automatic temperature control device 420 are all communicatively connected to the air conditioning control device 110, the air conditioning control device 110 can simultaneously receive the first control command, the second control command, and the third control command. The second control command has the highest priority, the third control command has the second highest priority, and the first control command has the third highest priority. Therefore, when the air conditioning control device 110 receives multiple different control commands, it executes the control command with the highest priority. For example, when the first, second, and third control commands are all included, the second control command with the highest priority is executed; when the third and first control commands are included, the third control command is executed; and only when only the first control command is included is the first control command executed. Thus, the driver's temperature intervention is prioritized. Only when the driver does not intervene in the temperature and the temperature information in the cab is within the comfortable temperature range is heat recovery and utilization by the vehicle controller 20 performed, improving the driver's user experience.

[0040] It should also be noted that the vehicle controller 20 may include multiple controllers. When determining whether the vehicle controller 20 as a whole needs heat dissipation, the temperature information of each controller can be detected, and the controller with the highest temperature information can be used as a benchmark to determine whether the vehicle controller 20 as a whole needs heat dissipation, thereby ensuring that the heat of the vehicle controller 20 is used to the maximum extent.

[0041] Optionally, based on the above, Figure 2 This is a schematic diagram of the structure of a vehicle controller provided in an embodiment of the present invention. See also... Figure 2 The heat recovery system also includes multiple heat sinks 50, the thermal conductivity of which is greater than that of the vehicle controller 20. The heat sinks are mounted on the vehicle controller 20, and the plane of the heat sinks 50 intersects with the air outlet direction of the air conditioning duct 121.

[0042] Specifically, the thermal conductivity of the heat sink 50 is greater than that of the vehicle controller 20. One end of the heat sink 50 is in contact with the vehicle controller 20, thereby conducting the heat from the vehicle controller 20 to the heat sink 50. The heat sink 50 has a higher thermal conductivity and a larger contact area with the air, thus achieving a better heat dissipation effect. In addition, the plane of the heat sink 50 intersects with the air outlet direction of the air conditioning duct 121, allowing the cooling airflow from the air conditioning duct 121 to pass through multiple heat sinks 50 to carry away the heat from the vehicle controller 20.

[0043] It should be noted that multiple heat sinks 50 are evenly arranged along the air outlet direction of the air conditioning duct 121, and the height of the heat sinks 50 gradually increases along the air outlet direction. Specifically, by setting the height of the heat sinks 50 to gradually increase along the air outlet direction, the cooling airflow of the air conditioning duct 121 can pass through each heat sink 50, preventing the heat sinks 50 closer to the air outlet from being too tall and blocking the heat dissipation of subsequent heat sinks 50, thus improving the heat dissipation effect. In addition, by setting the height difference between adjacent heat sinks 50 to ≤1mm, the drop-proof characteristics of the vehicle controller 20 are ensured.

[0044] Optionally, based on the above embodiments, Figure 3 This is a schematic diagram of another vehicle controller provided in an embodiment of the present invention. See also... Figure 3 The vehicle controller 20 includes a first heating element 201 and a second heating element 202. The heating efficiency of the first heating element 201 is greater than that of the second heating element 202, and the first heating element 201 is disposed on the side of the second heating element 202 closer to the air conditioning duct 121.

[0045] Specifically, the vehicle controller 20 itself includes a variety of heat-generating devices. In this embodiment of the invention, the layout of the vehicle controller 20 is improved by placing the first heat-generating device 201 with higher heat generation efficiency in the vehicle controller 20 near the air outlet of the air conditioning channel 121, and placing the second heat-generating device 202 with lower heat generation efficiency in the vehicle controller 20 away from the air outlet of the air conditioning channel 121, thereby further improving the heat dissipation efficiency.

[0046] Optionally, based on the above embodiments, Figure 4 This is a schematic diagram of another vehicle controller provided in an embodiment of the present invention. Figure 4 As shown, the heat recovery system also includes multiple ventilation valves 610, which are evenly arranged along the air outlet direction of the air conditioning duct 121. The vehicle controller 20 includes multiple controllers 210, each corresponding to a ventilation valve 610. During operation, the ventilation valve 610 directs the air outlet direction of the air conditioning duct 121 to the corresponding controller 210 for heat dissipation. The vehicle controller 20 also includes a main control chip (not shown), which is electrically connected to the multiple ventilation valves 610 and the air conditioning control device, and is used to control at least some of the ventilation valves 610 to operate according to a set scheme.

[0047] For example, such as Figure 4 In the illustrated embodiment, the heat recovery system further includes multiple ventilation valves 610, and the vehicle controller 20 includes multiple controllers 210. The ventilation valves 610 are located at the air outlets of the air conditioning duct 121 and correspond one-to-one with each controller 210. When a ventilation valve 610 is working, the cooling airflow from the air conditioning duct 121 can reach the corresponding controller 210 through the ventilation valve 610. In other words, when the ventilation valve 610 is working, it can guide the airflow from the air conditioning duct 121 to the corresponding controller 210 to dissipate heat. When a ventilation valve 610 is not working, the cooling airflow from the air conditioning duct 121 cannot reach the corresponding controller 210, meaning the corresponding controller 210 cannot dissipate heat. Thus, the cooling status of a single controller 210 can be controlled by the ventilation valve 610, ensuring that the controller 210 can be shut off independently when there is no cooling requirement. Furthermore, the vehicle controller 20 also includes a main control chip, which is electrically connected to the multiple ventilation valves 610 and the air conditioning control device, and is used to control at least some of the ventilation valves 610 to operate according to a set scheme.

[0048] It should be noted that the temperature detection module 30 includes multiple temperature detectors (not shown in the figure), each corresponding to a controller 210. Specifically, the temperature detectors are installed on the corresponding controller 210 to detect the first temperature information of that controller 210. The main control chip is also electrically connected to the multiple temperature detectors to acquire multiple first temperature information from the multiple temperature detectors and control the ventilation valve 610 corresponding to the controller 210 whose first temperature information is greater than a first preset value. Specifically, the main control chip acquires the first temperature information of each controller 210 through the temperature detectors, compares the first temperature information of each controller 210 with the first preset value, determines the controller 210 whose first temperature information is greater than the first preset value, and controls the ventilation valve 610 corresponding to the controller 210 whose first temperature information is greater than the first preset value to operate, thereby realizing heat dissipation control of some controllers 210.

[0049] Optionally, based on the above embodiments, the vehicle also includes a driver's seat (not shown in the figure), the air conditioning module 20 includes a first air conditioning unit (not shown in the figure), the first air conditioning unit is disposed in the driver's seat, and the vehicle controller 20 is disposed in the air outlet of the air conditioning duct in the first air conditioning unit.

[0050] Specifically, the vehicle includes a driver's seat, a front passenger seat, and rear seats. The air conditioning module 20 includes a first air conditioning unit, a second air conditioning unit, and a third air conditioning unit. The air vent of the first air conditioning unit corresponds to the driver's seat, the air vent of the second air conditioning unit corresponds to the front passenger seat, and the air vent of the third air conditioning unit corresponds to the rear seats. Furthermore, by placing the vehicle controller 20 at the air vent of the air conditioning duct in the first air conditioning unit, passenger contact with the vehicle controller 20 is prevented from causing damage.

[0051] Note that the above description is merely a preferred embodiment of the present invention and the technical principles employed. Those skilled in the art will understand that the present invention is not limited to the specific embodiments described herein, and various obvious changes, readjustments, and substitutions can be made without departing from the scope of protection of the present invention. Therefore, although the present invention has been described in detail through the above embodiments, the present invention is not limited to the above embodiments, and may include many other equivalent embodiments without departing from the concept of the present invention, the scope of which is determined by the scope of the appended claims.

Claims

1. A vehicle-based heat recovery system, characterized in that, The vehicle includes an air conditioning module and a vehicle controller. The heat recovery system includes a temperature detection module. The air conditioning module includes an air conditioning control device and an air conditioning unit. The air conditioning unit is provided with at least one air conditioning duct. The air conditioning control device is connected to the air conditioning unit and is used to control the air outlet of the air conditioning duct. The vehicle controller is located at the air outlet of the air conditioning duct, and the temperature detection module is located on the vehicle controller. The temperature detection module is used to detect the temperature information of the vehicle controller. The vehicle controller is connected to the air conditioning control device and the temperature detection module respectively. In the first working state, when the temperature information of the vehicle controller is greater than a preset value, the controller sends a first control command to the air conditioning control device to control the air outlet of the air conditioning duct, so as to dissipate heat from the vehicle controller and transfer the heat of the vehicle controller to the driver's cab.

2. The heat recovery system according to claim 1, characterized in that, The vehicle includes a manual temperature control device and an automatic temperature control device; Both the manual temperature control device and the automatic temperature control device are communicatively connected to the air conditioning control device. The artificial temperature control device is used to send a second control command to the air conditioning control device to adjust the airflow of the air conditioning duct. The automatic temperature control device is used to send a third control command to the air conditioning control device to adjust the airflow of the air conditioning duct.

3. The heat recovery system according to claim 2, characterized in that, The second control command has a first priority, the third control command has a second priority, and the first control command has a third priority; The air conditioning control device is used to execute the control command with the highest priority when receiving multiple different control commands, wherein the first priority is the highest and the third priority is the lowest.

4. The heat recovery system according to claim 1, characterized in that, The air conditioning module also includes an air outlet baffle, which is disposed at the air outlet of the air conditioning duct to adjust the air outlet direction of the air conditioning duct. The vehicle controller is located between the air outlet of the air conditioning duct and the air outlet baffle.

5. The heat recovery system according to claim 1, characterized in that, The heat recovery system also includes multiple heat sinks, the thermal conductivity of which is greater than that of the vehicle controller; The heat sink is mounted on the vehicle controller, and the plane of the heat sink intersects with the air outlet direction of the air conditioning duct.

6. The heat recovery system according to claim 5, characterized in that, The heat sinks are evenly arranged along the air outlet direction of the air conditioning duct, and the height of the heat sinks gradually increases along the air outlet direction.

7. The heat recovery system according to claim 1, characterized in that, The vehicle controller includes a first heating element and a second heating element; The heating efficiency of the first heating device is greater than that of the second heating device, and the first heating device is located on the side of the second heating device that is close to the air conditioning duct.

8. The heat recovery system according to claim 1, characterized in that, The heat recovery system also includes multiple ventilation valves, which are evenly arranged along the air outlet direction of the air conditioning duct. The vehicle controller includes multiple controllers, each corresponding to a ventilation valve. The ventilation valve is used to direct the airflow from the air conditioning duct to the corresponding controller during operation, so as to dissipate heat from the corresponding controller. The vehicle controller also includes a main control chip, which is electrically connected to multiple ventilation valves and the air conditioning control device, and is used to control at least some of the ventilation valves to work according to a set scheme.

9. The heat recovery system according to claim 8, characterized in that, The temperature detection module includes multiple temperature detectors, each of which is configured to correspond one-to-one with the controller and is used to detect the first temperature information of the corresponding controller. The main control chip is also electrically connected to multiple temperature detectors to acquire multiple first temperature information from the multiple temperature detectors and control the ventilation valve corresponding to the controller whose first temperature information is greater than a first preset value.

10. The heat recovery system according to claim 1, characterized in that, The vehicle also includes a driver's seat, and the air conditioning module includes a first air conditioning unit located in the driver's seat. The vehicle controller is located at the air outlet of the air conditioning duct in the first air conditioning unit.

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