A thermal management system

Abstract

This application discloses a thermal management system, relating to the field of vehicle technology. The thermal management system includes: a control device; a flow channel plate with flow channels; at least one fluid control component integrated on the flow channel plate, each fluid control component being connected to a flow channel to form its own cooling circuit; and a circuit board fixedly connected to the flow channel plate, having a first interface and at least one second interface. The control device is electrically connected to the first interface, and the fluid control components are electrically connected to the second interfaces. The control device controls the operating state of each fluid control component through the circuit board. By fixing the circuit board to the flow channel plate, the control device and each fluid control component are electrically connected and centrally controlled through the circuit board, thereby reducing the number of external pipes and wiring harnesses, reducing system structural complexity and assembly difficulty, and improving the response efficiency and operational stability of the thermal management system.

Description

Technical Field

[0001] This application relates to the field of automotive technology, and more particularly to a thermal management system. Background Technology

[0002] In new energy vehicles, key components such as batteries, motors, and electronic control systems generate a significant amount of heat during operation. If temperature regulation is not timely and effective, it can not only reduce vehicle performance but also potentially lead to safety hazards. Therefore, efficient and stable thermal management systems have become an important direction for the development of new energy vehicle technology.

[0003] The existing solution still uses an independent controller for each functional component, and its electrical parts need to be connected through a complex external wiring harness: multiple branches of the external wiring harness are plugged into the controller interfaces of the water pump and multi-way valve, and the main wiring harness is then connected to the vehicle controller and power supply. However, the electrical control of each functional component still relies on an independent controller and is connected to the vehicle control system through a wiring harness assembly located outside the module. Summary of the Invention

[0004] The purpose of this application is to address the shortcomings of existing technologies by providing a thermal management system that uses a circuit board to achieve centralized electrical connection and unified control of the control device and various fluid regulation components, thereby improving system integration, simplifying structural layout, and enhancing the control efficiency and operational reliability of the thermal management system.

[0005] This application provides a thermal management system, the thermal management system comprising:

[0006] Control device;

[0007] Flow channel plate, with flow channels;

[0008] At least one fluid control component is integrated on the flow channel plate, and each fluid control component is connected to the flow channel to form a cooling circuit for each fluid control component.

[0009] A circuit board is fixedly connected to the flow channel plate and has a first interface and at least one second interface. The control device is electrically connected to the first interface, and the fluid control component is electrically connected to the second interface. The control device controls the operating status of each fluid control component through the circuit board.

[0010] In a possible implementation, the circuit board is integrated on the side of the flow channel plate facing the fluid control component, the insertion direction of the second interface intersects with the surface of the circuit board, and the fluid control component has a third interface, the second interface being able to be inserted and mated with the third interface.

[0011] In a possible implementation, the circuit board further includes a rotating connector;

[0012] The first interface and / or the second interface are rotatably connected to the circuit board via the rotating connector, and the insertion direction of the first interface and / or the second interface is adjusted via the rotating connector.

[0013] In a possible implementation, the flow channel plate is provided with a mounting position for mounting the fluid control component, and the circuit board protrudes from the mounting position.

[0014] In a possible implementation, each of the second interfaces is arranged adjacent to each other, and each of the fluid control components is arranged adjacent to each other.

[0015] In a possible implementation, at least one of the fluid control components includes a fluid drive device and a fluid regulation device;

[0016] The control device is used to control the rotational speed of the fluid drive device and / or the opening degree of the fluid regulating device based on the operating status of the cooling circuit.

[0017] In a possible implementation, the flow channel plate has a sealed, isolated wet zone and a dry zone, the wet zone being used to form the flow channel for containing the cooling medium, and the circuit board being disposed on the outer wall of the dry zone.

[0018] In a possible implementation, the thermal management system further includes a pressure balancing vessel and a heat exchanger, the heat exchanger and the pressure balancing vessel being respectively connected to the flow channel, and the circuit board being disposed between the heat exchanger and the pressure balancing vessel.

[0019] In a possible implementation, the circuit board is provided with a clearance notch, through which the fluid communication port of the flow channel plate can pass, so that the circuit board and the fluid communication port do not interfere with each other.

[0020] In a possible implementation, each of the fluid control components is radially distributed relative to the circuit board.

[0021] The thermal management system provided in this application has the following beneficial effects:

[0022] This application provides a thermal management system, comprising: a control device; a flow channel plate with flow channels; at least one fluid control component integrated on the flow channel plate, each fluid control component being connected to the flow channels to form its own cooling circuit; and a circuit board fixedly connected to the flow channel plate, having a first interface and at least one second interface. The control device is electrically connected to the first interface, and the fluid control components are electrically connected to the second interfaces. The control device controls the operating state of each fluid control component through the circuit board. By fixing the circuit board on the flow channel plate, the control device and each fluid control component are electrically connected and centrally controlled through the circuit board, thereby reducing the number of external pipes and wiring harnesses, lowering the system structural complexity and assembly difficulty, and improving the response efficiency and operational stability of the thermal management system. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the structure of the thermal management system according to an embodiment of this application;

[0025] Figure 2 This is a schematic diagram of the structure of the first interface in an embodiment of this application;

[0026] Figure 3 This is a schematic diagram of the structure of the second interface in an embodiment of this application;

[0027] Figure 4 This is a schematic diagram of the structure of the third interface in an embodiment of this application;

[0028] Figure 5 This is a schematic diagram of the structure of the thermal management system according to an embodiment of this application;

[0029] Figure 6 This is a top view of the thermal management system according to an embodiment of this application;

[0030] Figure 7 This is a bottom view of the thermal management system according to an embodiment of this application;

[0031] Figure 8 This is a side view of the thermal management system according to an embodiment of this application.

[0032] The following is supplementary explanation of the attached figures:

[0033] 1. Flow channel plate; 11. Flow channel; 12. Fluid communication port; 2. Fluid control component; 21. Motor water pump; 22. Battery water pump; 23. Valve; 24. Pressure balance container; 25. Heat exchanger; 3. Circuit board; 31. First interface; 32. Second interface; 4. Third interface. Detailed Implementation

[0034] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are merely some embodiments of the present application, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative effort are within the scope of protection of the present application.

[0035] The term "an embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of this application. In the description of this application, it should be understood that the terms "upper," "lower," "top," "bottom," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," etc., are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that the embodiments of this application described herein can be implemented in orders other than those illustrated or described herein.

[0036] Understandably, as the integration level of thermal management systems in new energy vehicles continues to increase, existing technologies typically integrate multiple thermal management components such as water pumps, water valves, and expansion tanks into a single cooling module to achieve unified thermal management and control of components such as the power battery, motor, and electronic control system. These integrated thermal management modules generally connect to each cooling circuit through multiple fluid channels, and each thermal management component's own control unit or external wiring harness is electrically connected to the vehicle controller. However, the aforementioned existing solutions still have certain shortcomings: on the one hand, each thermal management component in the integrated module usually needs to be connected to the controller through independent wiring harnesses, resulting in a large number of wiring harnesses and complex layout paths. In situations where the front engine compartment space is limited, this can easily lead to wiring harness interference, compression, or assembly difficulties. On the other hand, multiple control units or distributed electrical connections are not conducive to achieving unified and coordinated control of each cooling circuit, increasing system structural complexity and vehicle assembly costs, while also reducing system reliability and maintenance convenience.

[0037] Specifically, the thermal management system is used to regulate the temperature of core components such as the battery, motor, and electronic control system to ensure the safety, operating efficiency, and service life of the entire vehicle. Existing technologies are increasingly adopting thermal management systems that integrate multiple thermal management functional components onto the flow channel plate 1 to achieve rapid heat exchange of the cooling medium and a compact system layout. This type of thermal management system includes an electric water pump, a multi-way water valve, and an expansion tank, among other things.

[0038] In existing technical solutions, the mechanical structure of the aforementioned functional components is typically integrated onto the flow channel plate 1, while their electrical control components are connected via external wiring harnesses. Specifically, each thermal management functional component is generally equipped with an independent controller, which receives control commands from the vehicle controller or thermal management controller via the wiring harness assembly and drives the corresponding functional component to operate.

[0039] like Figure 1-8 As shown in the figure, this application embodiment provides a thermal management system, which is particularly suitable for scenarios involving cooling motor power supplies. The thermal management system includes:

[0040] Control device;

[0041] Flow channel plate 1 is provided with flow channel 11;

[0042] At least one fluid control component 2 is integrated on the flow channel plate 1, and each fluid control component 2 is connected to the flow channel 11 to form a cooling circuit for each fluid control component 2.

[0043] Circuit board 3 is fixedly connected to flow channel plate 1, and has a first interface 31 and at least one second interface 32. The control device is electrically connected to the first interface 31, and the fluid control component 2 is electrically connected to the second interface 32. The control device controls the operating status of each fluid control component 2 through circuit board 3.

[0044] By fixing the circuit board 3 on the flow channel plate 1, the control device and each fluid regulation component 2 are electrically connected and centrally controlled through the circuit board 3, thereby reducing the number of external pipes and wiring harnesses, reducing the complexity of the system structure and the difficulty of assembly, and improving the response efficiency and operational stability of the thermal management system.

[0045] Specifically, the control device generates and outputs control signals. The flow channel plate 1 is a structural component with an internal flow channel 11. The flow channel plate 1 has an internal flow channel 11 for the flow of cooling medium, and the flow channel 11 forms a heat exchange path for the cooling medium with the motor power supply. The fluid control component 2 is installed on the flow channel plate 1 and communicates with the flow channel 11. The fluid control component 2 is used to regulate the flow state of the cooling medium in the flow channel 11. Each fluid control component 2 is communicated with a corresponding flow channel 11, thereby forming an independent cooling circuit.

[0046] Specifically, circuit board 3 is fixedly connected to flow channel plate 1. Circuit board 3 serves as an electrical connection carrier, used to realize the electrical connection between the control device and the fluid control component 2. Circuit board 3 is provided with a first interface 31 and at least one second interface 32. The first interface 31 is electrically connected to the control device, and the second interface 32 is electrically connected to each fluid control component 2 respectively.

[0047] In one embodiment, the fluid control component 2 is a motor-driven water pump 21 and a water valve.

[0048] Specifically, circuit board 3 is disposed in the outer region of flow channel plate 1. Fluid control assembly 2 is disposed on flow channel plate 1, with its electrical connection end facing the direction of circuit board 3, so as to be connected to circuit board 3 through second interface 32.

[0049] Optionally, the control device may be a vehicle controller, a thermal management controller, a domain controller, or a control unit integrated into the vehicle system.

[0050] In one embodiment, such as Figure 2 and Figure 3 As shown, during operation, the control device generates control signals based on the operating status of the motor power supply and cooling requirements, and transmits these signals to the circuit board 3 via the first interface 31. After receiving the control signals, the circuit board 3 transmits them to each fluid control component 2 via the corresponding second interface 32. Under the influence of the control signals, each fluid control component 2 drives or regulates the cooling medium, causing it to flow in the corresponding cooling circuit and through the flow channels 11 inside the flow channel plate 1, thereby completing the cooling process for the motor power supply.

[0051] In one embodiment, the circuit board 3 is integrated on the side of the flow channel plate 1 facing the fluid control component 2. The insertion direction of the second interface 32 intersects with the surface of the circuit board 3. The fluid control component 2 has a third interface 4, and the second interface 32 can be inserted and mated with the third interface 4. In this way, the second interface 32 can be aligned and inserted with the third interface 4 on the fluid control component 2, realizing electrical connection without adding additional wiring harness. This helps to shorten the electrical connection path, reduce the space occupied by the interface, reduce insertion interference, and facilitate the overall assembly of the fluid control component 2 with the flow channel plate 1 and the circuit board 3.

[0052] Specifically, the circuit board 3 is integrated on the side of the flow channel plate 1 facing the fluid control component 2, and the circuit board 3 is fixedly connected to the flow channel plate 1. In one embodiment, the circuit board 3 is provided with at least one second interface 32, and the insertion direction of the second interface 32 is perpendicular to the surface of the circuit board 3, that is, the insertion direction of the second interface 32 extends along the thickness direction of the circuit board 3; in another embodiment, the circuit board 3 is provided with at least one second interface 32, and the insertion direction of the second interface 32 is inclined at a preset angle relative to the surface of the circuit board 3.

[0053] In one embodiment, such as Figure 4 As shown, the fluid control assembly 2 is provided with a third interface 4, which is a plug-in connection terminal structure that mates with the second interface 32. The third interface 4 is located on the side of the fluid control assembly 2 near the circuit board 3, with the plug-in interface of the third interface 4 facing the second interface 32. In one embodiment, the third interface 4 is integrated into the controller housing of the fluid control assembly 2; in another embodiment, the third interface 4 is located on the electrical connector of the fluid control assembly 2. The third interface 4 is electrically connected to the internal drive circuit or actuator of the fluid control assembly 2 and is used to receive control signals. The second interface 32 can be plugged into the third interface 4 to realize the electrical connection between the circuit board 3 and the fluid control assembly 2.

[0054] In one embodiment, the first interface 31 is an external interface of the circuit board 3, the second interface 32 is a female interface of the controller, and the third interface 4 is a male interface of the controller. The second interface 32 and the third interface 4 are plugged into each other.

[0055] Specifically, in the assembled state, after the fluid control component 2 is installed onto the flow channel plate 1, the third interface 4 and the second interface 32 are aligned and plugged in along the insertion direction to complete the electrical connection. The circuit board 3 provides control signals or electrical energy to the fluid control component 2 through the second interface 32.

[0056] In one embodiment, to ensure proper alignment, a guide structure is provided on the flow channel plate 1 or the circuit board 3. When the fluid control assembly 2 is installed onto the flow channel plate 1, the guide structure restricts the lateral and rotational offset of the fluid control assembly 2 relative to the circuit board 3, ensuring that the third interface 4 is aligned with the second interface 32 in the assembly direction. Subsequently, the fluid control assembly 2 continues to be pressed or pushed in along the assembly direction, causing the third interface 4 to be inserted into the insertion port of the second interface 32 and forming an electrical connection.

[0057] Optionally, the guide structure may include at least one of the following: a positioning post, a positioning hole, a guide ramp, and a limiting step.

[0058] In one embodiment, at least one of the second interface 32 and the third interface 4 is provided with a locking structure.

[0059] Furthermore, circuit board 3 also includes a rotating connector;

[0060] The first interface 31 and / or the second interface 32 are rotatably connected to the circuit board 3 via a rotating connector, and the insertion direction of the first interface 31 and / or the second interface 32 is adjusted by the rotating connector. In this way, the adjustable insertion direction of the interfaces can adapt to different fluid control components 2 or external wiring harnesses without changing the overall mounting position of the circuit board 3. This helps reduce interface interference, improves assembly flexibility, and enhances the adaptability of the thermal management system under different vehicle layout conditions.

[0061] Specifically, circuit board 3 is further provided with a rotating connector, which provides rotational freedom relative to circuit board 3 for the first interface 31 and / or the second interface 32. A portion of the rotating connector is fixed to circuit board 3, and the other portion is connected to the first interface 31 and / or the second interface 32, allowing the interface to rotate relative to circuit board 3 around the rotating connector. The rotation axis of the rotating connector can be parallel to or perpendicular to the surface of circuit board 3.

[0062] Optionally, the rotating connector may include at least one of a shaft structure, a hinge structure, a rotating seat, or a rotating sleeve.

[0063] Specifically, after the first interface 31 and / or the second interface 32 are installed on the rotating connector, the orientation of their insertion interfaces changes as the rotating connector rotates, thereby adjusting the insertion direction. During assembly, depending on the installation position of the control device or fluid control component 2, the angle of the first interface 31 and / or the second interface 32 on the rotating connector is first adjusted so that the interface insertion direction faces the corresponding insertion object. After the interface angle is adjusted, the first interface 31 is connected to the control device, or the second interface 32 is connected to the fluid control component 2 via insertion.

[0064] In one embodiment, the flow channel plate 1 is provided with a mounting position for mounting the fluid control component 2, and the circuit board 3 protrudes from the mounting position. By providing a mounting position for mounting the fluid control component 2 on the flow channel plate 1 and making the circuit board 3 protrude relative to the mounting position, a height difference is created between the circuit board 3 and the mounting position in space, thus preventing the fluid control component 2 from obstructing the interface insertion.

[0065] In one embodiment, a cooling medium flow channel 11 is formed inside the flow channel plate 1, and a mounting position for mounting a fluid control assembly 2 is provided on the flow channel plate 1. The fluid control assembly 2 is installed in the mounting position, and the fluid interface of the fluid control assembly 2 communicates with the flow channel 11 inside the flow channel plate 1. The mounting position can restrict the fluid control assembly 2 in the planar and vertical directions, so that the fluid control assembly 2 is held in a preset position in the assembled state.

[0066] Optionally, the mounting position can be a concave structure, a stepped structure, or an open slot structure, and the outline dimensions of each mounting position are set in accordance with the contour of the fluid control component 2.

[0067] Specifically, the circuit board 3 is mounted on the flow channel plate 1 via a support member, such that at least a portion of the circuit board 3 is higher than the opening edge of the mounting position in the height direction. A gap area is formed between the circuit board 3 and the flow channel plate 1, which is used to arrange electrical connection interfaces or provide space for interface insertion. After the fluid control assembly 2 is installed in the mounting position, the third interface 4 faces the circuit board 3 to insert with the second interface 32.

[0068] In one embodiment, the second interfaces 32 are arranged adjacent to each other, and the fluid control components 2 are arranged adjacent to each other. By arranging the multiple second interfaces 32 adjacent to each other on the circuit board 3 and setting the multiple fluid control components 2 corresponding to the second interfaces 32 adjacent to each other on the flow channel plate 1, it is beneficial to shorten the wiring distance between each interface, reduce the situation of cross wiring and misaligned plugging, and facilitate the centralized installation and overall assembly of the fluid control components 2.

[0069] Specifically, the circuit board 3 is provided with a plurality of second interfaces 32, which can be arranged adjacently in the same direction on the circuit board 3. The second interfaces 32 can be arranged linearly along the edge direction of the circuit board 3, or along the length or width direction of the circuit board 3, and a preset distance is maintained between each second interface 32.

[0070] In one embodiment, at least two second interfaces 32 are arranged radially on the circuit board 3, and the insertion direction of each second interface 32 is relative to the circuit board 3 and faces the same preset center.

[0071] Specifically, the flow channel plate 1 has multiple mounting areas for installing the fluid control components 2, and these mounting areas are arranged adjacent to each other on the flow channel plate 1. The fluid control components 2 are installed in their respective mounting areas, and the adjacent fluid control components 2 are arranged side by side in the planar direction, with their electrical connection ends facing the circuit board 3.

[0072] In one embodiment, at least one fluid control component 2 includes a fluid drive device and a fluid regulation device;

[0073] The control device is used to control the rotational speed of the fluid drive device and / or the opening degree of the fluid regulating device based on the operating status of the cooling circuit.

[0074] By simultaneously setting a fluid drive device and a fluid regulating device in the fluid control component 2, and having the control device control the speed of the fluid drive device and the opening degree of the fluid regulating device based on the operating state of the cooling circuit, the flow rate and direction of the cooling medium can be adjusted according to the actual working conditions of the cooling circuit, which is beneficial to achieving fine control of the cooling circuit.

[0075] In one embodiment, at least one fluid control component 2 includes a fluid drive device and a fluid regulating device. The fluid drive device is used to drive the cooling medium to flow in the cooling circuit; in this embodiment, the fluid drive device is an electric water pump. The fluid regulating device is used to regulate the flow state of the cooling medium; in this embodiment, the fluid regulating device is a multi-way water valve or a proportional valve.

[0076] Specifically, the fluid drive device and the fluid regulation device are respectively installed on the flow channel plate 1 and connected to the flow channel 11. The fluid drive device and the fluid regulation device jointly participate in the operation of the corresponding cooling circuit. The fluid drive device and the fluid regulation device are electrically connected to the circuit board 3 and establish a communication connection with the control device through the circuit board 3.

[0077] Specifically, the control device is used to acquire the operating status of the cooling circuit, which includes at least one of the following: cooling medium temperature, flow rate, pressure, or motor power supply status. Based on the acquired operating status, the control device generates control commands and sends control signals to the fluid drive device and fluid regulating device via circuit board 3.

[0078] In one embodiment, the fluid drive device is an electric motor water pump 21 and a battery water pump 22, and the fluid regulating device is a valve 23.

[0079] Specifically, the control device adjusts the rotational speed of the fluid drive device according to cooling demand to change the flow rate of the cooling medium in the cooling circuit; simultaneously, the control device adjusts the opening degree of the fluid regulating device according to the distribution requirements of the cooling circuit to change the flow path or distribution ratio of the cooling medium. Under some operating conditions, the control device adjusts the rotational speed of the fluid drive device only through circuit board 3; under other operating conditions, the control device adjusts the opening degree of the fluid regulating device only through circuit board 3.

[0080] In one embodiment, the flow channel plate 1 has a sealed, isolated wet area and a dry area. The wet area forms a flow channel 11 for containing the cooling medium, and the circuit board 3 is disposed on the outer wall of the dry area. By disposing of the circuit board 3 on the outer wall of the dry area, the cooling medium flow area is effectively isolated from the electrical components in space, preventing the cooling medium from penetrating into the circuit board 3 and avoiding thermal runaway of the circuit board 3.

[0081] Specifically, the flow channel plate 1 is internally divided into a wet zone and a dry zone, which are structurally isolated by a sealed structure. The wet zone forms a flow channel 11 to contain the cooling medium, which flows within the wet zone and participates in the operation of the cooling circuit. The wet zone can be formed by a closed cavity inside the flow channel plate 1, a groove of the flow channel 11, or a piping structure, and is connected to the fluid control assembly 2. The dry zone is located on the flow channel plate 1 and separated from the wet zone; the dry zone is not connected to the cooling medium. The outer wall of the dry zone forms mounting positions for installing electrical components.

[0082] In one embodiment, the circuit board 3 is disposed in the central region of the flow channel plate 1.

[0083] Furthermore, the thermal management system also includes a pressure balancing vessel 24 and a heat exchanger 25, which are respectively connected to the flow channel 11. The circuit board 3 is disposed between the heat exchanger 25 and the pressure balancing vessel 24. By arranging the circuit board 3 between the heat exchanger 25 and the pressure balancing vessel 24, the circuit board 3 is located within the area enclosed by multiple thermal management components. The heat exchanger 25 and the pressure balancing vessel 24 provide spatial shielding and isolation for the circuit board 3, reducing the possibility of the circuit board 3 being directly exposed to the external environment.

[0084] In one embodiment, the thermal management system includes a flow channel plate 1, a heat exchanger 25, a pressure balancing container 24, and a circuit board 3. The flow channel plate 1 has internal channels 11 for the flow of cooling medium. The heat exchanger 25 and the pressure balancing container 24 are respectively connected to the flow channel 11 through corresponding channels. The heat exchanger 25 is disposed on one side of the flow channel plate 1 to facilitate heat exchange between the cooling medium and an external medium. The pressure balancing container 24 is disposed on the other side of the flow channel plate 1 to contain the cooling medium and buffer pressure changes in the cooling circuit. The heat exchanger 25 and the pressure balancing container 24 are spatially separated. In this embodiment, the pressure balancing container 24 is an expansion tank.

[0085] Specifically, the heat exchanger 25 and the pressure balancing vessel 24 are located in the edge region of the flow channel plate 1, and the circuit board 3 is located in the region between the heat exchanger 25 and the pressure balancing vessel 24. The circuit board 3 is fixedly mounted on the flow channel plate 1 or on a support structure located between the heat exchanger 25 and the pressure balancing vessel 24. In the assembled state, the heat exchanger 25, the pressure balancing vessel 24, and the circuit board 3 are integrally mounted around the flow channel plate 1, with the circuit board 3 located between the heat exchanger 25 and the pressure balancing vessel 24. The heat exchanger 25 and the pressure balancing vessel 24 are non-electrically controlled functional components, and they are spaced apart from the circuit board 3.

[0086] In one embodiment, the circuit board 3 is provided with a clearance notch, through which the fluid communication port 12 of the flow channel plate 1 can pass, so that the circuit board 3 and the fluid communication port 12 do not interfere with each other. By providing a clearance notch, the fluid communication port 12 and the circuit board 3 are spatially misaligned, which helps to avoid structural interference between the circuit board 3 and the fluid communication port 12 under compact arrangement conditions, while reserving space for the installation and sealing of the fluid communication port 12.

[0087] Specifically, the flow channel plate 1 is provided with a fluid communication port 12 communicating with the flow channel 11, and the fluid communication port 12 is used to communicate with an external cooling circuit. The clearance notch is an opening structure opened at the edge of the circuit board 3, and the outline size of the clearance notch is larger than the outer dimensions of the fluid communication port 12. The fluid communication port 12 is arranged along the clearance notch, so that a part of the fluid communication port 12 is located in the notch area of ​​the circuit board 3, without contacting the board body of the circuit board 3.

[0088] In one embodiment, the fluid control components 2 are radially distributed relative to the circuit board 3. Thus, the circuit board 3 is located in the central or near-central region among the multiple fluid control components 2, which facilitates a balanced arrangement of the multiple components within a limited space.

[0089] Specifically, each fluid control component 2 is arranged circumferentially on the circuit board 3 along different orientations, and each is connected to the cooling medium passage inside the flow channel plate 1 through a corresponding flow channel 11. Adjacent fluid control components 2 are spaced apart in the circumferential direction, so that each fluid control component 2 is spatially distributed. The third interface 4 corresponding to the fluid control component 2 is consistent with the position of the fluid control component 2 in the radial distribution.

[0090] The following describes the working process of a thermal management system using a specific application scenario:

[0091] S1, the thermal management system is powered on and running, and the control device obtains the operating status information of the motor power supply;

[0092] S2, the control device generates a control signal based on the acquired operating status information and transmits the control signal to the circuit board 3;

[0093] S3, the circuit board 3 receives the control signal and distributes the control signal to the interface corresponding to each fluid control component 2;

[0094] S4, the fluid control component 2 receives the control signal from the circuit board 3, and the cooling medium, under the action of the fluid control component 2, forms a corresponding cooling circuit through the flow channel 11 inside the flow channel plate 1 and acts on the motor power supply.

[0095] The above description is merely an embodiment of this application and is not intended to limit this application. Various modifications and variations can be made to this application by those skilled in the art. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principle of this application should be included within the scope of the claims of this application.

[0096] Although embodiments of this application have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of this application, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A thermal management system, characterized in that, The thermal management system includes: Control device; The flow channel plate (1) is provided with a flow channel (11); At least one fluid control component (2) is integrated on the flow channel plate (1), and each fluid control component (2) is connected to the flow channel (11) to form a cooling circuit for each fluid control component (2). The circuit board (3) is fixedly connected to the flow channel plate (1) and has a first interface (31) and at least one second interface (32). The control device is electrically connected to the first interface (31), and the fluid control component (2) is electrically connected to the second interface (32). The control device controls the operating status of each fluid control component (2) through the circuit board (3). The circuit board (3) is an electrical connection carrier. The circuit board (3) is integrated on the side of the flow channel plate (1) facing the fluid control component (2). The insertion direction of the second interface (32) intersects with the surface of the circuit board (3). The fluid control component (2) has a third interface (4). The second interface (32) and the third interface (4) are inserted and cooperated.

2. The thermal management system according to claim 1, characterized in that, The circuit board (3) also includes a rotating connector; The first interface (31) and / or the second interface (32) are rotatably connected to the circuit board (3) via the rotating connector, and the insertion direction of the first interface (31) and / or the second interface (32) is adjusted by the rotating connector.

3. The thermal management system according to any one of claims 1-2, characterized in that, The flow channel plate (1) is provided with a mounting position for mounting the fluid control component (2), and the circuit board (3) protrudes from the mounting position.

4. The thermal management system according to any one of claims 1-2, characterized in that, Each of the second interfaces (32) is arranged adjacent to each other, and each of the fluid control components (2) is arranged adjacent to each other.

5. The thermal management system according to any one of claims 1-2, characterized in that, At least one of the fluid control components (2) includes a fluid drive device and a fluid regulation device; The control device is used to control the rotational speed of the fluid drive device and / or the opening degree of the fluid regulating device based on the operating status of the cooling circuit.

6. The thermal management system according to any one of claims 1-2, characterized in that, The flow channel plate (1) has a sealed and isolated wet area and a dry area, the wet area being used to form the flow channel (11) for containing the cooling medium, and the circuit board (3) being disposed on the outer wall of the dry area.

7. The thermal management system according to any one of claims 1-2, characterized in that, The thermal management system further includes a pressure balancing vessel (24) and a heat exchanger (25), the heat exchanger (25) and the pressure balancing vessel (24) being connected to the flow channel (11) respectively, and the circuit board (3) being disposed between the heat exchanger (25) and the pressure balancing vessel (24).

8. The thermal management system according to any one of claims 1-2, characterized in that, The circuit board (3) is provided with a clearance notch, and the fluid communication port (12) of the flow channel plate (1) can pass through the clearance notch so that the circuit board (3) and the fluid communication port (12) do not interfere with each other.

9. The thermal management system according to any one of claims 1-2, characterized in that, Each of the fluid control components (2) is radially distributed relative to the circuit board (3).

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