Integrated thermal management module and battery system

Abstract

The invention provides an integrated thermal management module and a battery system, and relates to the technical field of batteries. The integrated thermal management module comprises a plurality of first components and connecting holes, the first components comprise conductive metal materials, are constructed to be in a hollow pipeline type and are provided with first fluid channels and two ports, and the connecting holes are connected with battery cells; the at least one second component comprises an insulating material, is constructed to be in a hollow pipeline type and is provided with a second fluid channel and two ports, the two ports of the second component are communicated with the first components, the second component is arranged between the first components and is alternately connected with the first components, and the second fluid channel and the first fluid channel form a communication flow channel; the port of the first member not connected to the port of the second member forms a port communicating with the flow channel. According to the invention, the number of parts is reduced, the cost can be reduced, the assembly efficiency is improved, the conductivity is more reliable, the structure is simplified, and the heat management efficiency is improved through direct heat exchange with the battery cell tab.

Description

Technical Field

[0001] The present invention relates to the field of battery technology, and in particular to an integrated thermal management module and a battery system. Background Art

[0002] The energy storage equipment of electric vehicles includes but is not limited to battery devices or systems, which require effective temperature control to avoid abnormal operating conditions caused by abnormal temperatures, thereby ensuring that the vehicle system always maintains reliable operating performance, avoids damage to vehicle equipment and fully ensures safety.

[0003] In addition, if the temperature change trend of the system cannot be responded to in a timely manner, it may also cause related alarms and affect the user experience.

[0004] Therefore, temperature control technology is needed to avoid the adverse effects of abnormal temperature conditions on energy storage equipment and ensure reliable performance and safety in a long-term and stable manner. The power battery of electric vehicles needs to be temperature controlled. An existing battery cooling solution is known to set the busbar and the cooling plate as separate components, which has low thermal management efficiency. Summary of the invention

[0005] The present invention provides an integrated thermal management module and battery system, which integrates a bus and a cooling device, reduces the number of parts, can reduce costs and improve assembly efficiency, and makes the conductive performance more reliable, simplifies the structure, achieves compactness, saves space, and improves thermal management efficiency by directly exchanging heat with the battery cell tabs.

[0006] According to one aspect of the present invention, there is provided an integrated thermal management module, comprising: a plurality of first members, which include a conductive metal material and are configured as a hollow pipe type, have a first fluid channel and two ports, and a connection hole, the connection hole being connected to the battery core; and at least one second member, which includes an insulating material and is configured as a hollow pipe, has a second fluid passage and two ports, wherein the two ports of the second member are connected to the first member, The second component is disposed between the first components and is alternately connected with the first components. The second fluid channel and the first fluid channel form a communication channel. The ports of the first component not connected to the ports of the second component form ports of the communication channel.

[0007] Based on one aspect of the present invention, since the first component and the second component are hollow pipe-type, they constitute a connected heat medium fluid channel, and the conductive first component connects the battery cell, that is, the first component has both the conductive function and the heat medium fluid circulation function, thereby reducing the number of parts, reducing costs and improving assembly efficiency, making the conductive performance more reliable, simplifying the structure, achieving compactness, saving space, and improving thermal management efficiency by directly exchanging heat with the battery cell tabs.

[0008] According to one aspect of the present invention, an integrated thermal management module is provided. The first component is a heat-conducting pipe busbar, and a graphene composite film is coated inside the first fluid channel. The second component is an insulated heat conducting tube.

[0009] According to one aspect of the present invention, a graphene composite film or other material is coated inside the first fluid channel. Compared with the metal material of the first component, the graphene composite film or other material has a higher thermal conductivity. By utilizing its excellent thermal conductivity, the heat exchange efficiency is further improved, thereby improving the thermal management efficiency. In addition, the first component is a heat-conducting pipe busbar. In addition to realizing the electrical connection function, it also utilizes the heat medium fluid flowing therein to directly exchange heat with the battery cell tab, thereby improving the thermal management efficiency.

[0010] According to one aspect of the present invention, an integrated thermal management module is provided. The first component has two connecting holes.

[0011] Based on one aspect of the present invention, the electrical connection of the battery system is achieved through the electrical connection between the connection hole of the first component and the battery cell tab, which reduces the number of parts, can reduce costs and improve assembly efficiency, and make the conductive performance more reliable, while simplifying the structure, achieving compactness, and saving space. In other words, the connection hole of the first component is used to achieve not only electrical connection, but also thermal connection with the heat exchange object, and by directly exchanging heat with the battery cell tab, the thermal management efficiency is improved.

[0012] According to one aspect of the present invention, an integrated thermal management module is provided. The at least one port of the first member is located on the end side of the first member.

[0013] According to one aspect of the present invention, by realizing a compact arrangement of the communicating flow channels, the overall system is made more compact, and the number of components is reduced, which can reduce costs and improve assembly efficiency.

[0014] According to one aspect of the present invention, an integrated thermal management module is provided. The two ports of the second member are located at the ends of the second member.

[0015] According to one aspect of the present invention, since the second member is constructed as a simple straight cylindrical structure with both ends open, the component structure is further simplified, which is easy to manufacture and reduces costs, and the number of components is reduced, which can reduce system costs.

[0016] According to one aspect of the present invention, an integrated thermal management module is provided. The fluid in the integrated thermal management module is coolant.

[0017] According to one aspect of the present invention, since the heat medium fluid is a coolant, it is easily available and inexpensive, which can reduce costs.

[0018] According to one aspect of the present invention, an integrated thermal management module is provided. The connection hole is electrically connected to the battery cell tab by laser welding; The two ports of the second component are connected to the first component by ultrasonic or laser welding.

[0019] According to one aspect of the present invention, reliable connection and fixation are performed by ultrasonic or laser welding, etc., which can reduce costs.

[0020] According to one aspect of the present invention, an integrated thermal management module is provided. The battery cell tabs and the heat-conducting tube bus are constructed as an integrated structure.

[0021] Based on one aspect of the present invention, since the battery cell tabs and the heat-conducting tube bus are constructed as an integrated structure, the number of components is reduced, which can reduce costs and improve assembly efficiency, and make the conductive performance more reliable, simplify the structure, achieve compactness, save space, and promote direct heat exchange with the battery cell tabs, thereby improving thermal management efficiency.

[0022] According to one aspect of the present invention, there is provided a battery system, comprising: At least one integrated thermal management module according to the above aspect of the present invention; The fluid inlet and the fluid outlet are respectively connected to the ports of the communication channel of the integrated thermal management module; The first terminal and the second terminal are electrically connected to the corresponding first component in the integrated thermal management module respectively; and The temperature controller receives the temperature detection signal of the battery system and controls the flow of the fluid flowing through the communication channel through a valve or a pump system according to the temperature detection signal.

[0023] Based on one aspect of the present invention, the integrated thermal management module of the present invention is used to realize the electrical connection method and heat exchange method in the battery system, and at the same time, the device structure is simplified, the functional reliability is improved, compactness is achieved, space is saved, and the thermal management efficiency is improved through direct heat exchange. That is to say, the import and export of heat medium fluid is realized with a simple structure, and the flow of heat medium fluid is controlled by a temperature controller, thereby realizing dynamic control of heat exchange, thereby realizing efficient system temperature control and effectively reducing costs.

[0024] According to one aspect of the present invention, a battery system is provided. It includes multiple integrated thermal management modules, which are connected in series or in parallel.

[0025] Based on one aspect of the present invention, by combining multiple integrated thermal management modules in series or in parallel, the performance and application of the battery system can be further expanded, while efficient system temperature control can be achieved and costs can be effectively reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions in the present invention or the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0027] Figure 1 It is a schematic perspective view showing the integrated thermal management module of the present invention, and is also a schematic perspective view showing the battery system of the present invention.

[0028] Figure 2 This is one of the schematic perspective views showing the first member.

[0029] Figure 3 This is a second schematic perspective view showing the first component.

[0030] Figure 4 It is a schematic perspective view showing the second member.

[0031] Figure 5 This is one of the schematic perspective views showing the battery system of the present invention.

[0032] Figure 6 This is a second schematic perspective view showing the battery system of the present invention.

[0033] Reference numerals

[0034] 1: first component; 2: second component; 7: connection hole; 9: battery cell; A: first port; C: second port; D: third port; 3: integrated thermal management module; P1: first terminal; P2: second terminal; C: in : Fluid inlet; C out : Fluid outlet. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be clearly and completely described below in conjunction with the drawings of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0036] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0037] Figure 1 1 is a schematic three-dimensional diagram showing the integrated thermal management module 3 of the present invention, and is also a schematic three-dimensional diagram showing the battery system of the present invention. Figure 1 As shown, the integrated thermal management module 3 includes: a first component 1 , a second component 2 and a battery cell 9 .

[0038] The first member 1 is a heat-conducting pipe busbar made of conductive metal.

[0039] The first component 1 is a hollow pipe type, having a first fluid channel, two ports, and a connecting hole 7, and the connecting hole 7 is electrically connected to the battery core.

[0040] In one structure, the two ports of the first component 1 are: a first port A at a positive position and a second port C at a side position.

[0041] like Figure 2 As shown, the first port A of the first component 1 is located at the end face of one end of the first component 1 in the long dimension direction, which is roughly rectangular, and the second port C of the first component 1 is located on the side face of the other end of the first component 1 in the long dimension direction, and the end face of the other end is closed.

[0042] In another structure, the two ports of the first component 1 are two side second ports C. The two second ports C are opened on the same long side of the first component 1 which is roughly rectangular, and the adjacent front end faces of each are closed.

[0043] The second component 2 is an insulating heat-conducting pipe made of insulating material.

[0044] The second component 2 is a hollow pipe type, having a second fluid channel and two ports, and the two ports of the second component are connected to the first component.

[0045] The two ports of the second member 2 are respectively the right-positioned ports, namely the third ports D. The two third ports D are respectively located at the end faces at both ends of the long dimension direction of the roughly rectangular second member 2. In other words, the two third ports D are open at both ends of the second fluid channel of the hollow pipe-type second member 2.

[0046] like Figure 1 As shown, the second components 2 are arranged between the first components 1 and are alternately connected with the first components 1. Through the above-mentioned second port C and third port D, the first fluid channel of each first component 1 is connected with the second fluid channel of each second component 2, forming a connecting flow channel of the integrated thermal management module 3 for the heat medium fluid to pass through.

[0047] The first port A of the first component 1 is not connected to the third port D of the second component 2. The first port A of the first component 1 forms the port of the above-mentioned communication channel and is connected to the fluid inlet C of the battery system. in and fluid outlet C out Furthermore, the integrated thermal management module 3 is electrically connected to the terminal of the battery system through the connection hole 7 on the first port A side of the first component 1 .

[0048] Since the first component 1 and the second component 2 are hollow pipe-type, they form a connected heat medium fluid channel, and the conductive first component 1 is connected to the battery cell 9, that is, the first component 1 has both conductive functions and heat medium fluid circulation functions, thereby reducing the number of parts, reducing costs and improving assembly efficiency, making the conductive performance more reliable, simplifying the structure, achieving compactness, saving space, and improving thermal management efficiency by directly exchanging heat with the battery cell tabs.

[0049] By coating the first fluid channel of the hollow pipe-type first component 1 with a material such as a graphene composite film, the heat conduction efficiency is further improved. The graphene composite film is, for example, a graphene boron nitride heat dissipation film. In addition, as an insulating heat-conducting material, the graphene boron nitride heat dissipation film also has an insulating isolation effect, which can prevent the transmission of electric energy from being lost due to the heat medium fluid, while ensuring the safety of electric energy transmission and use.

[0050] The first fluid channel is coated with materials such as graphene composite film. Compared with the metal material of the first component 1, the graphene composite film and other materials have higher thermal conductivity. By utilizing their excellent thermal conductivity, the heat exchange efficiency is further improved, thereby improving the thermal management efficiency. In addition, the first component 1 is a heat-conducting pipe busbar. In addition to realizing the electrical connection function, it also utilizes the heat medium fluid flowing therein to directly exchange heat with the battery cell tabs, thereby improving the thermal management efficiency.

[0051] like Figure 1 As shown, the first member 1 has two connection holes. That is, the first member 1 has two connection holes 7 for electrical connection. The connection holes 7 are described in detail as follows.

[0052] As described above, in one connection mode, the connection hole 7 on the first port A side of the first component 1 is electrically connected to the terminal of the battery system, and the other connection hole 7 is electrically connected to the battery cell tab.

[0053] In another connection mode, the two connection holes 7 of the first component 1 are electrically connected to respective tabs of two different adjacent battery cells 9 , that is, one first component 1 is connected to two battery cells 9 .

[0054] The connection hole 7 of the first component 1 is electrically connected to the cell tab to achieve the electrical connection of the battery system, which reduces the number of parts, can reduce costs and improve assembly efficiency, and make the conductive performance more reliable. At the same time, the structure is simplified, compactness is achieved, and space is saved. In other words, the connection hole 7 of the first component 1 is used to achieve not only electrical connection, but also thermal connection with the heat exchange object, and by directly exchanging heat with the cell tab, the thermal management efficiency is improved.

[0055] like Figure 1 and Figure 2 As shown, at least one port of the first component 1 is located at the end side of the first component 1. The two ports of the second component 2 are located at the end of the second component 2.

[0056] Since the second component 2 is constructed as a simple straight cylindrical structure with two ends open, the component structure is further simplified, which makes manufacturing easier and reduces costs. In addition, the number of components is reduced, which can reduce system costs.

[0057] As described above, a second component 2 is arranged between two first components 1, that is, the second component 2 connects the two first components 1 that are electrically connected to the two pole ears of the same battery cell through the connecting holes 7. In this way, as described above, the second component 2 is alternately connected to the first component 1, and through the above-mentioned second port C and third port D, the first fluid channel of each first component 1 is connected with the second fluid channel of each second component 2, forming a connecting flow channel of the integrated thermal management module 3 for the heat medium fluid to pass through.

[0058] By realizing a compact arrangement of the communicating flow channels, the overall system is made more compact, and the number of parts is reduced, which can reduce costs and improve assembly efficiency.

[0059] The fluid in the above-mentioned integrated thermal management module can be a coolant such as ethylene glycol aqueous solution.

[0060] Since the heat medium fluid is a coolant, it is easily available and inexpensive, which can reduce costs.

[0061] The connection hole 7 is electrically connected to the battery cell tab by laser welding.

[0062] The two third ports D of a second component 2 are connected to the second ports C of the two first components 1 respectively by ultrasonic or laser welding, that is, the first fluid channel of each first component 1 is connected to the second fluid channel of the second component 2 .

[0063] Reliable connection and fixation through ultrasonic or laser welding can reduce costs.

[0064] The battery cell tabs and the heat-conducting tube bus are constructed as an integrated structure.

[0065] That is, the present invention reduces the number of parts by making the first component 1, namely the heat-conducting tube bus, and the battery cell tabs form an integrated structure, thereby reducing costs and improving assembly efficiency, making the conductive performance more reliable, simplifying the structure, achieving compactness, saving space, and promoting direct heat exchange with the battery cell tabs, thereby improving thermal management efficiency.

[0066] The battery system of the present invention includes at least one integrated thermal management module 3 .

[0067] For example, the battery system includes: an integrated thermal management module 3 and a temperature controller (not shown). The structure of the integrated thermal management module 3 is as described above. The integrated thermal management module 3 includes a plurality of battery cells 9, each of which has two tabs. Figure 1 There are 5 battery cells 9 in the example, which correspond to 6 first components 1 electrically connected in series, namely the heat-conducting pipe bus, and at the same time correspond to 5 second components 2, namely the insulating heat-conducting pipes, which are connected between the above-mentioned 6 first components 1. That is, the 6 first components 1 are alternately connected with the 5 second components 2, and through the above-mentioned second port C and third port D, the first fluid channel of each first component 1 is connected with the second fluid channel of each second component 2, so as to form a connecting flow channel of the integrated thermal management module 3 for the passage of the heat medium fluid.

[0068] As mentioned above, Figure 11 is a schematic three-dimensional diagram showing the integrated thermal management module 3 of the present invention, and is also a schematic three-dimensional diagram showing the battery system of the present invention. That is, the battery system of this example includes only one integrated thermal management module 3. In addition, the first terminal P1 and the second terminal P2 of the battery system are respectively electrically connected to the connection holes 7 on the first port A side of the two first components 1 of the one integrated thermal management module 3.

[0069] In addition, the first ports A of the two first components 1 of the integrated thermal management module 3 are respectively connected to the fluid inlet C of the battery system. in and fluid outlet C out Connectivity.

[0070] In this example, the battery system further includes a temperature controller (not shown). The temperature controller receives a temperature detection signal from the battery system, and controls the flow of the heat medium fluid flowing through the communication channel through a valve or a pump system, etc., according to the temperature detection signal, thereby achieving dynamic control of heat exchange, thereby achieving efficient system temperature control and effectively reducing costs.

[0071] Therefore, through the integrated thermal management module 3 of the present invention, the electrical connection method and heat exchange method in the battery system are realized, and at the same time the system structure is simplified, the system reliability is improved, compactness is achieved, space is saved, and the thermal management efficiency is improved through direct heat exchange. That is to say, the import and export of the heat medium fluid is realized with a simple structure, and the flow of the heat medium fluid is controlled by the temperature controller, thereby realizing dynamic control of the heat exchange, thereby realizing efficient system temperature control and effectively reducing costs.

[0072] In addition, if Figure 5 As shown, in another example, the battery system of the present invention includes two integrated thermal management modules 3 (it should be noted that the reference numerals of various parts are sometimes omitted in various figures). Figure 5 As shown, the two integrated thermal management modules 3 are connected in parallel, and the meaning of the parallel connection may include but is not limited to the parallel connection of both the circuit and the flow path. Figure 5 , an example in which both the circuit and the flow path are connected in parallel is shown.

[0073] The parallel connection of the circuit is also realized by the electrical connection of the connection holes 7 on the first port A side of the corresponding first components 1 in the two integrated thermal management modules 3, that is, the two groups of connection holes 7 that form a parallel relationship are respectively electrically connected to the first terminal P1 and the second terminal P2 of the battery system. In addition, the parallel connection of the flow path is achieved by the first ports A of the corresponding first components 1 in the two integrated thermal management modules 3 are respectively connected in groups to the fluid inlet C of the battery system. in and fluid outlet C outThe consistent flow direction of the fluid in the parallel flow paths can be ensured by a pump system or the like.

[0074] In this example, the battery system also includes a temperature controller (not shown), which receives a temperature detection signal from the battery system and controls the flow of the heat medium fluid through the connecting flow channel through a valve or pump system, etc., based on the temperature detection signal, thereby achieving dynamic control of the heat exchange, thereby achieving efficient system temperature control and effectively reducing costs.

[0075] In the battery system of this example, similar to the above example, each integrated thermal management module 3 includes a plurality of battery cells 9, and each battery cell 9 has two tabs. In this example, an integrated thermal management module 3 also includes five battery cells 9, which correspond to six first components 1 electrically connected in series, namely the heat-conducting pipe busbars, and five second components 2, namely the insulating heat-conducting pipes, connected between the six first components 1, that is, the six first components 1 are alternately connected with the five second components 2, and the first fluid channels of the first components 1 are connected with the second fluid channels of the second components 2 through the second port C and the third port D, forming a connecting flow channel of the integrated thermal management module 3 for the heat medium fluid to pass through.

[0076] Therefore, through the integrated thermal management module 3 of the present invention, the electrical connection method and heat exchange method in the battery system are realized, and at the same time the system structure is simplified, the system reliability is improved, compactness is achieved, space is saved, and the thermal management efficiency is improved through direct heat exchange. That is to say, the import and export of the heat medium fluid is realized with a simple structure, and the flow of the heat medium fluid is controlled by the temperature controller, thereby realizing dynamic control of the heat exchange, thereby realizing efficient system temperature control and effectively reducing costs.

[0077] like Figure 6 As shown, in another example, the battery system of the present invention includes two integrated thermal management modules 3. Figure 6 As shown, the two integrated thermal management modules 3 are connected in series, and the meaning of the series connection may include but is not limited to the series connection of both the circuit and the flow path. Figure 6 An example in which both the circuit and the flow path are connected in series is shown.

[0078] The series connection of the circuit is also realized by the electrical connection of the connection holes 7 on the first port A side of the corresponding first components 1 in the two integrated thermal management modules 3, and the two integrated thermal management modules 3 in which the circuit is connected in series are further electrically connected to the first terminal P1 and the second terminal P2 of the battery system through the two connection holes 7 on the first port A side of the first components 1 that are not connected to each other. In addition, the series connection of the flow path is realized by the connection of the first ports A of the corresponding two first components 1 in the two integrated thermal management modules 3, and the two integrated thermal management modules 3 in which the flow paths are connected in series are further connected to the fluid inlet C of the battery system through the first ports A of the first components 1 at both ends of the series flow path. in and fluid outlet C out They are connected separately. A pump system can also be used to ensure the flow of fluid in the longer flow path after series connection. For example, an electric pump is set at an appropriate position of the flow path, which is omitted from the diagram.

[0079] In this example, the battery system also includes a temperature controller (not shown), which receives a temperature detection signal from the battery system and controls the flow of the heat medium fluid through the connecting flow channel through a valve or pump system, etc., based on the temperature detection signal, thereby achieving dynamic control of the heat exchange, thereby achieving efficient system temperature control and effectively reducing costs.

[0080] In the battery system of this example, similar to the above example, each integrated thermal management module 3 includes a plurality of battery cells 9, and each battery cell 9 has two tabs. In this example, an integrated thermal management module 3 also includes five battery cells 9, which correspond to six first components 1 electrically connected in series, namely the heat-conducting pipe busbars, and five second components 2, namely the insulating heat-conducting pipes, connected between the six first components 1, that is, the six first components 1 are alternately connected with the five second components 2, and the first fluid channels of the first components 1 are connected with the second fluid channels of the second components 2 through the second port C and the third port D, forming a connecting flow channel of the integrated thermal management module 3 for the heat medium fluid to pass through.

[0081] Therefore, through the integrated thermal management module 3 of the present invention, the electrical connection method and heat exchange method in the battery system are realized, and at the same time the system structure is simplified, the system reliability is improved, compactness is achieved, space is saved, and the thermal management efficiency is improved through direct heat exchange. That is to say, the import and export of the heat medium fluid is realized with a simple structure, and the flow of the heat medium fluid is controlled by the temperature controller, thereby realizing dynamic control of the heat exchange, thereby realizing efficient system temperature control and effectively reducing costs.

[0082] In addition, through the combination of series and parallel connection, the performance and application of the battery system are further expanded, while efficient system temperature control is achieved and costs are effectively reduced.

[0083] In addition, the combination of series and parallel connection also improves the flexibility of the layout of the components in the battery system, thereby improving the adaptability of the battery system to the mounting environment.

[0084] Although the above embodiments describe the implementation of a battery system consisting of one or two integrated thermal management modules 3, the present invention is not limited thereto. For example, the battery system may also be composed of more than three integrated thermal management modules 3 connected in parallel or in series to achieve further expansion of performance and application, and controlled by a shared single temperature controller to achieve efficient system temperature control, and effectively reduce the cost of use through intensive and efficient control methods. Depending on the specific application needs, the battery system may also be composed of only one integrated thermal management module 3 as described above.

[0085] It should be pointed out that Figure 5 , Figure 6 As an example, it does not limit the implementation of series or parallel connection. For the specific series or parallel connection, the arrangement of the cells in the battery system also takes into account factors such as polarity. In addition, the arrangement shown in the figure can of course be appropriately modified, such as exchanging and fluid inlet C in and fluid outlet C out connection settings, etc.

[0086] The temperature controller can be implemented by hardware, for example, using a CPU, various control circuits, etc. In addition, the above-mentioned pump system may include an electric pump, etc. In one embodiment, an electric pump connected to the communication flow channel is provided, and the temperature controller controls the flow state of the heat medium fluid flowing through the communication flow channel by controlling the electric pump, thereby realizing dynamic control of heat exchange.

[0087] Of course, the temperature controller can also be implemented by software and achieve the same effective control effect. Or, according to the specific application needs, it can also be implemented by a combination of software and hardware.

[0088] In one embodiment, the temperature controller is connected to the temperature sensor in the battery system, and directly controls the working state of the electric pump etc. according to the detected temperature, thereby achieving dynamic control of heat exchange.

[0089] In addition, it should be noted that the thermal medium fluid is not limited to coolant. In other words, the integrated thermal management module of the present invention is not limited to cooling application scenarios. High and low temperatures outside the normal operating range will challenge the performance of the vehicle system.

[0090] For example, the power battery of electric vehicles has the problem of reduced performance under low temperature conditions, and has a greater risk of damage, affecting safety and the long-term life of the system. Therefore, temperature control technology is needed to avoid the adverse effects of low temperature environment on energy storage equipment.

[0091] In one embodiment, a heat source of electric heating method such as a heating resistor is provided to heat the heat medium fluid, and then the heat exchange of the heat medium fluid cooperates with other battery heating methods to further promote rapid heating of the battery system.

[0092] It should be noted that, since the technical solution of the present invention integrates the busbar and the cooling device, the heat medium fluid can more directly exchange heat with the battery cell tabs, thereby promoting efficient thermal management of the battery system. In one embodiment, the power supply of the heating resistor wire and the like can utilize a common vehicle battery.

[0093] In addition, coolant as a heat medium fluid is not only easy to obtain, but also safe and reliable. In the cooling application scenario, the used heat medium fluid can be cooled by conventional air cooling and circulated through a pump system.

[0094] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. An integrated thermal management module, characterized in that: include: A plurality of first members, which include a conductive metal material and are configured as a hollow pipe type, have a first fluid channel and two ports, and a connection hole, wherein the connection hole is connected to the battery core; as well as at least one second member, which includes an insulating material and is configured as a hollow pipe, has a second fluid passage and two ports, wherein the two ports of the second member are connected to the first member, The second components are arranged between the first components and are alternately connected with the first components. The second fluid channels and the first fluid channels form a communication channel. The ports of the first components not connected with the ports of the second components form ports of the communication channel.

2. The integrated thermal management module according to claim 1, characterized in that: The first component is a heat-conducting pipe busbar, and a graphene composite film is coated inside the first fluid channel. The second component is an insulating heat-conducting pipe.

3. The integrated thermal management module according to claim 1, characterized in that: The first member has two connecting holes.

4. The integrated thermal management module according to claim 1, characterized in that: The at least one port of the first member is located on an end side of the first member.

5. The integrated thermal management module according to claim 1, characterized in that: The two ports of the second member are located at the ends of the second member.

6. The integrated thermal management module according to claim 1, characterized in that: The fluid in the integrated thermal management module is coolant.

7. The integrated thermal management module according to claim 2, characterized in that: The connection hole is electrically connected to the battery cell tab by laser welding; The two ports of the second component are connected to the first component by ultrasonic or laser welding.

8. The integrated thermal management module according to claim 7, characterized in that: The battery cell tabs and the heat-conducting pipe busbar are constructed as an integrated structure.

9. A battery system, characterized in that: include: At least one integrated thermal management module according to any one of claims 1 to 8; A fluid inlet and a fluid outlet are respectively connected to ports of the communication channel of the integrated thermal management module; A first terminal and a second terminal are electrically connected to a corresponding first component in the integrated thermal management module, respectively; as well as A temperature controller receives a temperature detection signal of the battery system and controls the flow of the fluid flowing through the communication flow channel according to the temperature detection signal.

10. The battery system according to claim 9, characterized in that: It comprises a plurality of the integrated thermal management modules, and the plurality of the integrated thermal management modules are connected in series or in parallel.

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