Cooling device and battery box

Abstract

The embodiment of the utility model provides a cooling device and a battery box, and relates to the technical field of battery equipment. The cooling device comprises a shell. A flow guide channel is arranged in the shell. The shell is provided with an air inlet communicated with the flow guide channel. A heat exchange piece is further arranged in the shell. And a heat exchange surface is arranged on the heat exchange piece. The cooling device further comprises an air outlet communicated with the flow guide channel. The battery box comprises the cooling device, a box body and a liquid cooling plate. The box body comprises a base and an upper cover. The base is used for fixing the battery assembly and the electrical assembly. And the liquid cooling plate is fixed on the base. The liquid cooling plate is attached to the battery assembly and the electric appliance assembly. And the cooling device is fixed on the liquid cooling plate. And the heat exchange surface is attached to the liquid cooling plate. The electric appliance assembly comprises a fuse. And the air outlet is arranged towards the fuse. According to the cooling device of the battery box, the electric appliance assembly can be cooled, the overcurrent capability of the fuse is improved, and the development cost is reduced.

Description

Technical Field

[0001] This utility model relates to the field of battery equipment technology, and more specifically, to a cooling device and a battery box. Background Technology

[0002] With the rapid development of the new energy vehicle industry, especially in the heavy-duty truck sector, lithium batteries have become the dominant power source. Battery systems typically employ standardized battery boxes stacked back-to-back to form a specific series structure. Electrical components, such as fuses and other protective circuits, are usually housed within the battery boxes.

[0003] To improve the current-carrying capacity of electrical components, the conductor cross-section is typically increased. However, this approach requires redesigning or using different electrical components, increasing development costs. Furthermore, the increased size of the newly selected electrical components may lead to insufficient internal space in the battery compartment. Utility Model Content

[0004] The purpose of this invention is to provide a cooling device and a battery box that can cool the electrical components of the battery box, prevent the electrical components from overheating, improve the current carrying capacity of the electrical components, and reduce costs.

[0005] The embodiments of this utility model can be implemented as follows:

[0006] In a first aspect, this utility model provides a cooling device, comprising:

[0007] The housing includes a flow channel and an air inlet communicating with the flow channel. A heat exchanger is also provided inside the housing, with a heat exchange surface for contacting an external heat exchange device to exchange heat between the gas in the flow channel and the heat exchange device. The cooling device also includes an exhaust port communicating with the flow channel.

[0008] In an optional embodiment, the heat exchanger includes heat dissipation fins, one side of the plurality of heat dissipation fins is connected to the inner wall of the housing, the other side of the heat dissipation fins is provided with the heat exchange surface, and the plurality of heat dissipation fins are spaced apart so that the flow channel is blocked by the heat dissipation fins to form a plurality of flow channels.

[0009] In an optional embodiment, a plurality of partitions are provided between two adjacent heat dissipation fins, and the partitions are spaced apart to separate the flow guiding cavity, forming a plurality of flow splitting cavities.

[0010] In an alternative implementation, the volume of the flow divider increases sequentially in the direction away from the heat exchange surface.

[0011] In an optional embodiment, the heat dissipation fins are wavy.

[0012] In an optional embodiment, an air guide shroud is also provided at the air inlet. The air guide shroud is connected to the housing and is used to guide the gas on the side of the housing near the heat exchange surface into the air inlet.

[0013] In an optional embodiment, the shell is further provided with a flange on the side near the heat exchange surface, and a fixing hole is provided on the flange.

[0014] In an optional embodiment, the cooling device further includes an exhaust hood, which is connected to the housing via an air guide pipe. An exhaust cavity is provided inside the exhaust hood, and an exhaust port is provided on the exhaust hood. The two ends of the air guide pipe are respectively connected to the exhaust cavity and the flow channel, and an exhaust fan is provided inside the air guide pipe.

[0015] In an optional embodiment, a connecting member is further provided between the housing and the exhaust hood.

[0016] Secondly, this utility model provides a battery box, including a cooling device, a box body, and a liquid cooling plate as described in any of the foregoing embodiments. The box body includes a base and a top cover. The base is used to fix the battery assembly and the electrical assembly. The liquid cooling plate is fixed on the base and is in contact with the battery assembly and the electrical assembly for cooling the battery assembly and the electrical assembly. The cooling device is fixed on the liquid cooling plate. The heat exchange surface is in contact with the liquid cooling plate so that the gas in the guide channel exchanges heat with the liquid cooling plate. The electrical assembly includes a fuse, and the exhaust port is arranged facing the fuse.

[0017] The beneficial effects of the cooling device and battery box provided in this embodiment of the invention include:

[0018] The cooling device of this utility model includes a housing. A flow channel is provided inside the housing. An air inlet communicating with the flow channel is provided on the housing. A heat exchange component is also provided inside the housing. A heat exchange surface is provided on the heat exchange component. The heat exchange surface is used to contact with an external heat exchange device so that the gas in the flow channel exchanges heat with the heat exchange device. The cooling device also includes an exhaust port communicating with the flow channel. The battery box of this utility model includes the above-mentioned cooling device, a box body, and a liquid cooling plate. The box body includes a base and a top cover. The base is used to fix the battery assembly and electrical components. The liquid cooling plate is fixed to the base. The liquid cooling plate is in contact with the battery assembly and electrical components for cooling the battery assembly and electrical components. The cooling device is fixed to the liquid cooling plate. The heat exchange surface is in contact with the liquid cooling plate so that the gas in the flow channel exchanges heat with the liquid cooling plate. The electrical components include a fuse. The exhaust port is oriented towards the fuse.

[0019] The cooling device of the battery box of this utility model allows the gas flowing into the interior to exchange heat with the liquid cooling plate through a heat exchange component. After the gas is cooled down, it is blown onto the electrical components, thereby cooling the electrical components and preventing the electrical components from overheating. This makes it less likely for the fuse to blow, thus improving the current carrying capacity of the fuse. There is no need to replace or redesign components with high current carrying capacity, reducing development costs. Attached Figure Description

[0020] To more clearly illustrate the technical solutions of the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this utility model and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0021] Figure 1 This is a schematic diagram of the cooling device provided in this embodiment from a first-view perspective;

[0022] Figure 2 This is a schematic diagram of the cooling device provided in this embodiment from a second perspective.

[0023] Figure 3 for Figure 2 Enlarged view of part A in the middle;

[0024] Figure 4 This is a structural schematic diagram of the battery box from a first-view perspective provided in this embodiment;

[0025] Figure 5 This is a structural schematic diagram of the battery box provided in this embodiment from a second perspective.

[0026] Icons: 1000-Battery box; 100-Cooling device; 10-House; 11-Flow guide channel; 12-Heat dissipation fins; 121-Flow guide cavity; 122-Heat exchange surface; 13-Baffle; 131-Flow distribution cavity; 14-Air inlet; 15-Flanged edge; 151-Fixing hole; 20-Air duct; 21-Exhaust fan; 30-Exhaust hood; 31-Exhaust outlet; 32-Connector; 40-Air guide hood; 200-Base; 300-Liquid cooling plate; 301-Liquid inlet; 302-Liquid outlet; 400-Battery assembly; 500-Electrical assembly. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0029] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0030] In the description of this utility model, it should be noted that if terms such as "upper," "lower," "inner," or "outer" are used to indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship in which the utility model product is usually placed during use, they are only for the convenience of describing this utility model 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 utility model.

[0031] Furthermore, the terms "first" and "second" are used only to distinguish descriptions and should not be interpreted as indicating or implying relative importance.

[0032] It should be noted that, where there is no conflict, the features in the embodiments of this utility model can be combined with each other.

[0033] First Embodiment

[0034] Please refer to Figure 1 and Figure 2 The cooling device 100 provided by this utility model is applied to the battery box 1000. The cooling device 100 is installed inside the battery box 1000 and is used to cool the electrical components 500 of the battery box 1000.

[0035] The cooling device 100 includes a housing 10. A flow channel 11 is provided inside the housing 10. An air inlet 14 communicating with the flow channel 11 is provided on the housing 10. A heat exchanger is also provided inside the housing 10. A heat exchange surface 122 is provided on the heat exchanger. The heat exchange surface 122 is used to contact an external heat exchange device so that the gas in the flow channel 11 exchanges heat with the heat exchange device. The cooling device 100 also includes an exhaust port 31 communicating with the flow channel 11. The exhaust port 31 is used to discharge the gas that has undergone heat exchange through the flow channel 11.

[0036] Understandably, the cooling device 100 is installed inside the battery box 1000. Gas inside the battery box 1000 enters the flow channel 11 through the air inlet 14. Within the flow channel 11, the gas exchanges heat with an external heat exchange device, causing it to cool down. The exhaust vent 31 is used to discharge the cooled gas, directing it towards other equipment within the battery box 1000 to further cool the equipment.

[0037] Specifically, the cooling device 100 also includes an exhaust hood 30. The exhaust hood 30 is connected to the housing 10 via an air guide pipe 20. An exhaust chamber is provided inside the exhaust hood 30. An exhaust port 31 is provided on the exhaust hood 30. The two ends of the air guide pipe 20 are respectively connected to the exhaust chamber and the guide channel 11. An exhaust fan 21 is provided inside the air guide pipe 20.

[0038] Understandably, after the gas in the guide channel 11 is cooled, it is drawn into the guide pipe 20 by the exhaust fan 21, enters the exhaust hood 30 through the guide pipe 20, and is finally blown out from the exhaust port 31. In addition, the exhaust fan 21 is also used to provide power for the gas to enter the guide channel 11 from the air inlet 14.

[0039] Specifically, in this embodiment, the housing 10 is elongated. Air inlets 14 are provided at both ends of the housing 10. A duct 20 is connected to the middle of the housing 10 and positioned above it. An exhaust hood 30 is connected above the duct 20. It can be understood that the gas inside the battery box 1000 enters the flow channel 11 from the air inlets 14 at both ends of the housing 10, moves towards the duct 20 in the middle, then moves from the lower part of the housing 10 to the upper part of the exhaust hood 30, and finally is blown out from the exhaust port 31.

[0040] By setting up the cooling device 100, the gas inside the battery box 1000 can be drawn in, cooled down by heat exchange in the flow channel 11, and finally blown out from the exhaust port 31 to cool down other components inside the battery box 1000, such as the electrical component 500. This can improve the overcurrent capacity of the fuse in the electrical component 500, so that the temperature of the fuse under its rated current does not reach the melting temperature and it is not easy to melt.

[0041] The housing 10 can be configured in different shapes as needed. In this embodiment, the housing 10 is elongated, with air inlets 14 at both ends, and the gas flows in opposite directions at both ends. In other embodiments, the housing 10 can be L-shaped, U-shaped, etc., so that the gas flows at both ends at an angle, or in other directions. As long as gas can enter the guide channel 11 for heat exchange, this invention does not limit the shape of the housing 10.

[0042] The air duct 20 can be set at different positions on the housing 10 as needed. In this embodiment, the air inlet 14 is set at both ends of the housing 10, and the air duct 20 is set in the middle of the housing 10. In other embodiments, the air inlet 14 can be set at one end of the housing 10, and the air duct 20 is connected to the other end of the housing 10. As long as gas can enter from the air inlet 14, exchange heat, and then be discharged from the air duct 20, the present invention does not limit the position of the air duct 20.

[0043] Optionally, the exhaust hood 30 can be configured in different shapes as needed. In this embodiment, the exhaust hood 30 is configured as a cylindrical structure, and the exhaust port 31 is configured as a rectangle to increase the air volume of the exhaust port 31. In other embodiments, the exhaust hood 30 and the exhaust port 31 can be configured in other shapes, such as circular shapes. As long as the gas can be discharged, the present invention does not limit the shape of the exhaust hood 30 and the exhaust port 31.

[0044] Please refer to Figure 2 and Figure 3 Specifically, the heat exchange component includes heat dissipation fins 12. One side of the plurality of heat dissipation fins 12 is connected to the inner wall of the housing 10. The other side of the heat dissipation fins 12 is provided with a heat exchange surface 122, and the plurality of heat dissipation fins 12 are spaced apart so that the flow channel 11 is blocked by the heat dissipation fins 12, forming a plurality of flow channels 121.

[0045] In this embodiment, the heat dissipation fins 12 are vertical plates. The top edge of the heat dissipation fins 12 is connected to the inner top wall of the housing 10, and the bottom edge of the heat dissipation fins 12 is provided with a heat exchange surface 122. The bottom of the housing 10 is configured as an opening so that the bottom edge of the heat dissipation fins 12 can directly contact the external heat exchange device.

[0046] It is understandable that the gas at both ends of the casing 10 enters the flow guiding cavity 121 through the air inlet and comes into contact with the surface of the heat dissipation fins 12. The bottom edge of the heat dissipation fins 12 then comes into contact with the external heat exchange device, thereby allowing the gas to exchange heat with the external heat exchange device and reducing the gas temperature.

[0047] Optionally, in this embodiment, the spacing between the heat dissipation fins 12 is equal. In other embodiments, the spacing between the heat dissipation fins 12 may be unequal. This invention does not limit this aspect.

[0048] By setting multiple heat dissipation fins 12, the heat exchange surface area 122 between the gas and the heat exchange device is increased, thereby increasing the heat exchange efficiency of the gas.

[0049] Furthermore, multiple baffles 13 are provided between two adjacent heat dissipation fins 12, with the baffles 13 spaced apart. The baffles 13 divide the flow guiding cavity 121, forming multiple flow distribution cavities 131. It can be understood that the baffles 13 are horizontal plates. The baffles 13 divide a flow guiding cavity 121 into multiple flow distribution cavities 131 from top to bottom. By providing multiple baffles 13 between the heat dissipation fins 12, the airflow can be stabilized, preventing the airflow from flowing through the flow guiding channel 11 and affecting the heat exchange effect.

[0050] Furthermore, in this embodiment, the volume of the flow distribution cavity 131 increases sequentially along the direction away from the heat exchange surface 122. It can be understood that the volume of the flow distribution cavity 131 between two adjacent heat dissipation fins 12 increases sequentially from bottom to top. By setting the volume of the flow distribution cavity 131 to increase sequentially from bottom to top, and because the cooling capacity of the heat dissipation fins 12 decreases sequentially from bottom to top, the temperature of the gas entering the flow channel 11 decreases more uniformly.

[0051] Please refer to Figure 2 In this embodiment, the heat dissipation fins 12 are wavy. It is understood that the heat exchange surface 122 is used as a reference surface. The projection of the surface of the heat dissipation fins 12 onto the reference surface is a wavy line. By setting the heat dissipation fins 12 to a wavy shape, the gas makes multiple turns within the flow channel 11 in the direction from one air inlet to the other, increasing the contact area between the gas and the heat dissipation fins 12 and improving heat exchange efficiency. With the same gas flow path length, compared to setting the heat dissipation fins 12 as a straight plate, this embodiment shortens the length of the housing 10 along the line connecting the two air inlets.

[0052] Please refer to Figure 1 and Figure 2 An air guide shroud 40 is also provided at the air inlet 14. The air guide shroud 40 is connected to the housing 10. The air guide shroud 40 is used to guide the gas from the side of the housing 10 near the heat exchange surface 122 into the air inlet 14. Specifically, in this embodiment, one end of the air guide shroud 40 is connected to the housing 10, and the other end of the air guide shroud 40 is provided with an opening facing downwards. The air guide shroud 40 is used to block the gas, so that the gas can only enter the air inlet 14 from the lower opening. It can be understood that the cooling device 100 is used to install at the bottom of the battery box 1000. Since the density of cold air is higher than that of hot air, cold air generally sinks to the bottom of the battery box 1000. By setting the air guide shroud 40, the temperature of the gas entering the guide channel 11 from the air inlet is lower, further reducing the gas temperature.

[0053] Specifically, in this embodiment, the number of air guide shrouds 40 is the same as the number of air inlets. Air inlets 14 are located at both ends of the housing 10. Air guide shrouds 40 are connected to both ends of the housing 10.

[0054] The air guide shroud 40 can be configured in different shapes as needed. In this embodiment, the air guide shroud 40 is provided with an arc-shaped guiding surface in order to guide the gas into the air inlet 14. In other embodiments, the air guide shroud 40 can be square. As long as the gas can be guided into the housing 10 from below, the present invention does not limit the shape of the air guide shroud 40.

[0055] Furthermore, a flange 15 is provided on the side of the housing 10 near the heat exchange surface 122. A fixing hole 151 is provided on the flange 15. Specifically, in this embodiment, the heat dissipation fins 12 are wavy, and the side of the housing 10 is also wavy, so that the spacing between the heat dissipation fins 12 near the side of the housing 10 and the side wall of the housing 10 is consistent. By providing the flange 15, the housing 10 can easily fit against the mounting surface of the heat exchange device. By providing the fixing hole 151, the relative position of the housing 10 and the heat exchange device can be easily fixed.

[0056] In this embodiment, since the exhaust hood 30 is disposed above the housing 10, a connector 32 is also provided between the housing 10 and the exhaust hood 30. The connector 32 is provided to support the exhaust hood 30.

[0057] Second Embodiment

[0058] Please refer to Figure 4 and Figure 5 This embodiment provides a battery box 1000, which includes the cooling device 100, box body, and liquid cooling plate 300 described in the first embodiment above. Specifically, the box body includes a base 200 and a top cover (not shown). The base 200 is used to fix the battery assembly 400 and the electrical assembly 500. Specifically, the base 200 is a frame structure, which includes two frames. The battery assembly 400 and the electrical assembly 500 are fixedly connected to the base 200 by bolts or other parts and are disposed inside the frames. The liquid cooling plate 300 is fixed to the base 200. The liquid cooling plate 300 is in contact with the battery assembly 400 and the electrical assembly 500 and is used to cool the battery assembly 400 and the electrical assembly 500. Specifically, the liquid cooling plate 300 is fixed to the lower side of the base 200. The upper surface of the liquid cooling plate 300 is in contact with the bottom surface of the battery assembly 400 and the electrical assembly 500, respectively, thereby cooling the battery assembly 400 and the electrical assembly 500. The cooling device 100 is fixed to the liquid cooling plate 300. Specifically, the housing 10 covers the liquid cooling plate 300. The heat exchange surface 122 is in contact with the liquid cooling plate 300 to allow the gas in the flow channel 11 to exchange heat with the liquid cooling plate 300. The electrical assembly 500 includes a fuse. The exhaust vent 31 is oriented towards the fuse.

[0059] Furthermore, the liquid cooling plate 300 is provided with an inlet 301 and an outlet 302. Specifically, the liquid cooling plate 300 has a coolant flow channel. By providing the inlet 301 and the outlet 302, the coolant circulates within the coolant flow channel, carrying away the heat from the battery assembly 400 and the electrical assembly 500, thereby cooling the battery assembly 400 and the electrical assembly 500.

[0060] It is understood that in this embodiment, the cooling device 100 is fixed on the liquid cooling plate 300. The liquid cooling plate 300 cools the gas temperature in the flow channel 11, and blows the low-temperature gas to the fuse of the electrical component 500 to reduce the temperature of the fuse, so that the temperature of the fuse under the rated current does not reach the melting temperature, thereby improving the overcurrent capacity of the fuse.

[0061] The beneficial effects of the cooling device 100 and battery box 1000 of this utility model include:

[0062] The cooling device 100 of this utility model includes a housing 10 and an exhaust hood 30. A flow channel 11 is provided inside the housing 10. An air inlet 14 communicating with the flow channel 11 is provided on the housing 10. A heat exchange component is also provided inside the housing 10. A heat exchange surface 122 is provided on the heat exchange component. The heat exchange surface 122 is used to fit against an external heat exchange device so that the gas in the flow channel 11 exchanges heat with the heat exchange device. The exhaust hood 30 is connected to the housing 10 via a duct 20. An exhaust cavity is provided inside the exhaust hood 30. An exhaust port 31 is provided on the exhaust hood 30. Both ends of the duct 20 are connected to the exhaust cavity and the flow channel 11, respectively. An exhaust fan 21 is provided inside the duct 20. The battery box 1000 of this utility model includes the above-mentioned cooling device 100, a box body, and a liquid cooling plate 300. The box body includes a base 200 and a top cover. The base 200 is used to fix the battery assembly 400 and the electrical assembly 500. A liquid cooling plate 300 is fixed to the base 200. The liquid cooling plate 300 is in contact with the battery assembly 400 and the electrical assembly 500 to cool them. A cooling device 100 is fixed to the liquid cooling plate 300. A heat exchange surface 122 is in contact with the liquid cooling plate 300 to allow heat exchange between the gas in the flow channel 11 and the liquid cooling plate 300. The electrical assembly 500 includes a fuse. An exhaust vent 31 is oriented towards the fuse.

[0063] The cooling device 100 of the battery box 100 of this utility model allows the gas flowing into the interior to exchange heat with the liquid cooling plate 300 through a heat exchanger. After the gas is cooled down, it is blown onto the electrical component 500, thereby cooling the electrical component 500 and preventing the electrical component 500 from overheating. This makes the fuse less likely to blow, improves the current carrying capacity of the fuse, and eliminates the need to replace or redesign components with high current carrying capacity, thus reducing development costs.

[0064] The above description is only a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model.

Claims

1. A cooling device, characterized in that, include: The housing includes a flow channel and an air inlet communicating with the flow channel. A heat exchanger is also provided inside the housing, with a heat exchange surface for contacting an external heat exchange device to exchange heat between the gas in the flow channel and the heat exchange device. The cooling device also includes an exhaust port communicating with the flow channel.

2. The cooling device according to claim 1, characterized in that, The heat exchanger includes heat dissipation fins. One side of each heat dissipation fin is connected to the inner wall of the housing, and the other side of each heat dissipation fin is provided with a heat exchange surface. The heat dissipation fins are spaced apart so that the flow channel is blocked by the heat dissipation fins, forming multiple flow cavities.

3. The cooling device according to claim 2, characterized in that, Multiple partitions are provided between two adjacent heat dissipation fins, and the partitions are spaced apart to separate the flow guiding cavity, forming multiple flow splitting cavities.

4. The cooling device according to claim 3, characterized in that, The volume of the flow divider increases sequentially in the direction away from the heat exchange surface.

5. The cooling device according to claim 2, characterized in that, The heat dissipation fins are wavy.

6. The cooling device according to claim 1, characterized in that, An air guide hood is also provided at the air inlet. The air guide hood is connected to the housing and is used to guide the gas on the side of the housing near the heat exchange surface into the air inlet.

7. The cooling device according to claim 1, characterized in that, The shell is also provided with a flange on the side near the heat exchange surface, and a fixing hole is provided on the flange.

8. The cooling device according to claim 1, characterized in that, The cooling device also includes an exhaust hood, which is connected to the housing via an air guide pipe. An exhaust cavity is provided inside the exhaust hood, and an exhaust port is provided on the exhaust hood. The two ends of the air guide pipe are respectively connected to the exhaust cavity and the flow channel, and an exhaust fan is provided inside the air guide pipe.

9. The cooling device according to claim 8, characterized in that, A connecting component is also provided between the housing and the exhaust hood.

10. A battery box, characterized in that, The device includes a cooling device, a housing, and a liquid cooling plate as described in any one of claims 1-9. The housing includes a base and a top cover. The base is used to fix the battery assembly and the electrical assembly. The liquid cooling plate is fixed to the base and is in contact with the battery assembly and the electrical assembly for cooling the battery assembly and the electrical assembly. The cooling device is fixed to the liquid cooling plate. The heat exchange surface is in contact with the liquid cooling plate to allow the gas in the flow channel to exchange heat with the liquid cooling plate. The electrical assembly includes a fuse, and the exhaust port is oriented towards the fuse.

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