A heat dissipation device and a vehicle with the same

Abstract

The utility model discloses a kind of heat sink and the automobile with it, it is related to automobile radiator technical field;Including radiator and two air guide side plates, two the air guide side plate is fixedly connected in the water inlet chamber and water outlet chamber of the radiator respectively, and located in the windward side of the radiator, the air guide side plate is used to guide airflow to flow between two the air guide side plate.The beneficial effects of the utility model are that the assembly difficulty of flow guide structure and radiator is reduced, and the structure is simplified.

Description

Technical Field

[0001] This utility model relates to the field of automotive radiator technology, and in particular to a heat dissipation device and an automobile having the same. Background Technology

[0002] The car radiator is one of the important components of the car cooling system. In order to maximize the heat dissipation capacity of the radiator, cars generally need to be equipped with air guide components at the front grille air intake to ensure that the external airflow can reach the radiator surface under the guidance of the air guide components, without leaking to other parts or forming turbulent flow, thereby improving the heat exchange efficiency of the radiator.

[0003] The air deflector in the vehicle is installed as follows: the air deflector is fixed to a component inside the vehicle, such as the front bumper or the bottom of the front trunk. Then, during vehicle assembly, the air deflector on the front bumper or front trunk is brought into contact with the radiator. To ensure a good seal, a sponge strip is placed between the air deflector and the radiator for sealing and vibration damping. The air deflector and the radiator are tightly pressed together, thus firmly fixing the sponge strip between the air deflector and the radiator. The sealing effect is achieved through the compression and deformation of the sponge strip.

[0004] However, this assembly method requires careful control of the distance between the front bumper or front trunk body and the radiator when assembling the vehicle. In addition, sponge strips need to be placed between the front bumper or front trunk body during the assembly process, which makes this assembly method complicated. Utility Model Content

[0005] In view of this, the purpose of this utility model is to provide a heat dissipation device and an automobile having the same, so as to solve the above-mentioned technical problems.

[0006] This utility model provides a heat dissipation device, including a radiator and two air guide side plates. The two air guide side plates are respectively fixedly connected to the water inlet chamber and the water outlet chamber of the radiator and are located on the windward side of the radiator. The air guide side plates are used to guide the airflow between the two air guide side plates.

[0007] Optionally, the two air guide side plates are welded to the water inlet chamber and the water outlet chamber of the radiator, respectively; or, the two air guide side plates are integrally formed into the water inlet chamber and the water outlet chamber of the radiator.

[0008] Optionally, the middle part of the air guide side plate protrudes outward in a direction away from the radiator to form a receiving space, and the water inlet chamber and the water outlet chamber are provided with slots for installing protective nets, and the slots are located in the receiving space.

[0009] Optionally, it also includes an air guide shroud, which is fixedly installed between the two air guide side plates, and the air guide shroud has an air guide port.

[0010] Optionally, the air guide shroud and the air guide side plate are detachably connected.

[0011] Optionally, the air guide side plate is provided with a plurality of snap-fit ​​holes along its length direction, and the edge of the air guide cover is provided with a plurality of snap-fit ​​protrusions. The air guide cover and the air guide side plate are snapped onto the air guide side plate through the snap-fit ​​protrusions.

[0012] Optionally, the air guide side plate has a first sealing portion extending from the side near the top of the radiator toward the direction of the air guide shroud. The first sealing portion extends outside the water inlet chamber or the water outlet chamber. The first sealing portion is connected to the air guide shroud and the inner surface of the first sealing portion is arc-shaped.

[0013] Optionally, the air guide side plate has a second sealing part extending from the side near the bottom of the radiator toward the direction of the air guide cover. The second sealing part is located below the radiator and extends toward the leeward side of the radiator. The second sealing part is connected to the air guide cover.

[0014] Optionally, the side of the air guide plate connected to the water inlet chamber or the water outlet chamber has a fixing part extending away from the heat dissipation core of the radiator. The surfaces of the water inlet chamber and the water outlet chamber of the radiator connected to the air guide plate are flat. The air guide plate is welded to the flat surface of the water inlet chamber and the water outlet chamber through the fixing part.

[0015] This utility model also provides an automobile, including the cooling device described above.

[0016] The beneficial effects of this utility model are as follows: by fixing the air guide side plate to the water inlet and outlet chambers of the radiator, the traditional air guide component and radiator, which are two separate components, are assembled into a whole structure. This eliminates the need for the sponge strip and eliminates the need to pay attention to the alignment between the air guide component and the radiator when assembling the vehicle. Attached Figure Description

[0017] 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.

[0018] Figure 1 This is a schematic diagram of the structure of a heat dissipation device according to the present invention.

[0019] Figure 2 This is an exploded structural diagram of a heat dissipation device according to the present invention.

[0020] Figure 3 This is a schematic diagram of the air guide side plate in a heat dissipation device according to the present invention.

[0021] Figure 4 This is a schematic diagram of the structure of the radiator and protective net in a heat dissipation device according to the present invention.

[0022] Figure 5 This is a schematic diagram of the structure of a heat dissipation device and an air guide cover according to the present invention.

[0023] Figure 6 This is an exploded structural diagram of a heat dissipation device and air guide cover according to the present invention.

[0024] Figure 7 for Figure 5 A magnified view of a portion of point A in the middle.

[0025] Figure 8 for Figure 5 A magnified view of a section at point B.

[0026] Figure 9 This is a structural schematic diagram of a heat dissipation device and air guide cover of this utility model from another perspective.

[0027] Figure 10 for Figure 9 A magnified view of a section at point C.

[0028] In the picture: Radiator 10, water inlet chamber 11, water outlet chamber 12, flat surface 121, heat dissipation core 13, card slot 14, card slot 141; Air guide side plate 20, snap-fit ​​hole 201, body part 21, outward protrusion part 22, first bending part 221, second bending part 222, third bending part 223, baffle plate 224, first sealing part 23, inner surface 231, second sealing part 24, accommodating space 25, fixing part 26; Protective netting 30, snap-fit ​​clip 31; Air guide shroud 40, air guide port 41. Detailed Implementation

[0029] The specific embodiments of this utility model will now be described in detail with reference to the accompanying drawings. Obviously, the described embodiments are merely some, not all, of the embodiments of this utility model. Based on the description of this utility model, all other embodiments obtained by those skilled in the art without inventive effort are within the scope of protection of this utility model.

[0030] Unless otherwise explicitly specified and limited, the terms "setup," "installation," and "connection" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium. Those skilled in the art can understand the specific meaning of these terms based on the specific circumstances.

[0031] The terms “upper,” “lower,” “left,” “right,” “front,” “back,” “top,” “bottom,” “inner,” and “outer,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product is in use. They are used only for the convenience of description and simplification, 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. Therefore, they should not be construed as limitations on this utility model.

[0032] The terms “first,” “second,” “third,” etc., are used merely to distinguish elements with similar properties, not to indicate or imply relative importance or a specific order.

[0033] The terms “include,” “comprising,” or any other variation thereof are intended to cover non-exclusive inclusion, which includes not only the elements listed but also other elements not expressly listed.

[0034] like Figure 1 and Figure 2As shown, this embodiment provides a heat dissipation device, including a radiator 10 and two air guide side plates 20. The radiator 10 is a typical automotive radiator, which includes a heat dissipation core 13 and an inlet chamber 11 and an outlet chamber 12 connected to both sides of the heat dissipation core 13. A cooling channel for coolant flow is provided between the inlet chamber 11, the heat dissipation core 13, and the outlet chamber 12. The coolant flows into the heat dissipation core 13 from the inlet chamber 11 and out of the outlet chamber 12. The heat generated by the vehicle operation is carried away by the coolant in the heat dissipation core 13 and the airflow passing through the heat dissipation core 13, thereby cooling the vehicle. The two air guide side plates 20 are fixedly connected to the inlet chamber 11 and the outlet chamber 12 of the radiator 10, respectively, and are located on the windward side of the radiator 10. The windward side of the radiator 10 refers to the side where the windward surface of the heat dissipation core 13 is located. The air guide side plates 20 are used to guide the airflow between the two air guide side plates 20. Specifically, the air guide side plate 20 is attached to the water inlet chamber 11 and the water outlet chamber 12 with its bottom surface and is fixed to the water inlet chamber 11 and the water outlet chamber 12. The lengths of the air guide side plate 20, the water inlet chamber 11 and the water outlet chamber 12 tend to be the same. The plate surfaces of the two air guide side plates 20 and the windward surface of the heat dissipation core 13 form an airflow passage area. When the airflow flows through the heat dissipation core 13, the air guide side plate 20 constrains the airflow on both sides of the heat dissipation core 13, so that the airflow completely flows through the windward surface of the heat dissipation core 13, thereby ensuring the heat dissipation effect.

[0035] In the heat dissipation device provided in this embodiment, by fixing the air guide side plate 20 to the water inlet chamber 11 and the water outlet chamber 12 of the radiator 10, the air guide side plate 20 and the radiator 10 are integrated into a single structure. Before vehicle assembly, it can be ensured that the air guide side plate 20 is located in the predetermined position of the radiator 10, ensuring that the air guide side plate 20 is installed accurately, without having to consider the alignment problem between the air guide side plate 20 and the radiator 10 during vehicle assembly.

[0036] In some embodiments, two air guide side plates 20 are respectively welded to the water inlet chamber 11 and the water outlet chamber 12 of the radiator 10. The water inlet chamber 11 and the water outlet chamber 12 of the radiator 10 each have a flat surface 121 on the windward side surface of the radiator 10, and the two air guide side plates 20 are respectively welded to the flat surface 121 of the water inlet chamber 11 and the water outlet chamber 12. The air guide side plates 20, the water inlet chamber 11, and the water outlet chamber 12 can be made of plastic, and the air guide side plates 20 are welded together with the water inlet chamber 11 and the water outlet chamber 12 by hot plate welding. Meanwhile, to ensure that the air guide side plates 20 are firmly welded to the flat surface 121 of the water inlet chamber 11 or the water outlet chamber 12, such as... Figure 2 and Figure 3 As shown, the side of the air guide plate 20 connected to the water inlet chamber 11 or the water outlet chamber 12 is provided with a fixing part 26 extending outward in a direction away from the heat dissipation core 13. The fixing part 26 is parallel to the plane 121. The air guide plate 20 is welded to the plane 121 of the water inlet chamber 11 and the water outlet chamber 12 through the fixing part 26.

[0037] Alternatively, the two air guide side plates 20 are integrally formed into the water inlet chamber 11 and the water outlet chamber 12 of the radiator 10. During the production of the radiator 10, the air guide side plates 20 and the water inlet chamber 11 and the water outlet chamber 12 of the radiator 10 are integrally formed by injection molding.

[0038] In the above two connection methods between the air guide side plate 20 and the radiator 10, since the air guide side plate 20 is tightly connected to the water inlet chamber 11 and the water outlet chamber 12, there will be no gap between the air guide side plate 20 and the water inlet chamber 11 and the water outlet chamber 12. Therefore, the setting of the sponge strip can be eliminated, simplifying the structure and installation process.

[0039] Furthermore, such as Figures 1 to 3 As shown, Figure 1 and Figure 2 This is a frontal view of the heatsink 10. Figure 3 From the rear view of the air guide side plate 20, the fixing part 26 of the air guide side plate 20 is provided with an outwardly protruding part 22 protruding away from the water inlet chamber 11 or the water outlet chamber 12. A receiving space 25 is formed in the outwardly protruding part 22. The plane 121 of the water inlet chamber 11 and the water outlet chamber 12 is provided with a slot 14 protruding from the plane 121. The slot 14 is used to install the protective net 30 of the radiator 10 (see Figure 4 When the air guide side plate 20 is installed, the slot part 14 is located in the receiving space 25.

[0040] Specifically, the air guide side plate 20 includes a main body 21, a fixing part 26 located on the side of the main body 21 near the water inlet chamber 11 or the water outlet chamber 12, and an outward protrusion 22 extending out of the main body 21 and the fixing part 26. The portion of the main body 21 near the top of the radiator 10 is inclined outward toward the direction near the water inlet chamber 11 or the water outlet chamber 12. The outward protrusion 22 is connected to the main body 21 and the fixing part 26, and the side of the outward protrusion 22 is bent to form a first bend. The first bend 221, the second bend 222, and the third bend 223 are located at the bottom of the protruding part 22, the second bend 222 is located at the top of the protruding part 22, and the third bend 223 is connected between the first bend 221 and the second bend 222. The first bend 221, the second bend 222, and the third bend 223 enclose a receiving space to accommodate the slot 14 on the water inlet chamber 11 or the water outlet chamber 12. The slots 14 on the inlet chamber 11 and outlet chamber 12 are located in the receiving space 25. The slots 14 have slots 141 with the openings facing the heat sink 13. Specifically, the slots 14 include a vertical plate parallel to the plane 121 of the inlet chamber 11 or outlet chamber 12 and a horizontal plate vertically connected to the plane 121. The vertical plate is vertically connected to the horizontal plate and there is a gap between the vertical plate and the plane 121. The vertical plate, the horizontal plate and the plane 121 together form the slots 141. The protective net 30 can be configured to have snap-fit ​​pieces 31 on both sides that match the shape of the slots 141. The snap-fit ​​pieces 31 on both sides of the protective net 30 are embedded into the slots 141 of the slots 14, so that the protective net 30 can be held on the heat sink 10. The protective net 30 is used to intercept stones and other objects to prevent stones and other objects from colliding with the heat sink 13 and causing damage to the heat sink 13. Furthermore, to prevent objects such as stones from entering the slot 141 with the airflow and causing the slot 141 to malfunction, a baffle 224 is provided on the side of the protrusion 22 away from the water inlet chamber 11 or the water outlet chamber 12. At this time, the accommodating space 25 is formed by the baffle 224, the first bend 221, the second bend 222, the third bend 223 and the plane 121 of the water inlet chamber 11 or the water outlet chamber 12. The baffle 224 can protect the slot 14 and prevent objects such as stones from entering the slot 141 of the slot 14 with the airflow.

[0041] The airflow guiding structure on the radiator 10 needs to be designed according to the vehicle type. When the vehicle is a gasoline vehicle, the radiator 10 is designed to cool the engine, and its cooling requirements are highly dependent on the vehicle's driving conditions. When the vehicle is traveling at high speed, the engine load is high, and the cooling requirements are also high. However, the airflow generated by high-speed driving is also large enough to carry away the heat. When the vehicle is traveling at low speed, the engine load is low, the airflow is small, and the cooling requirements are also low. The airflow guiding structure can be configured by setting airflow guiding side plates 20 on both sides of the radiator core 13 to constrain the airflow. When the vehicle is an electric vehicle, the radiator 10 is designed to cool the battery. When the vehicle is traveling at high speed, the airflow is large enough to cool the battery. However, when traveling at low speed, the battery may still be operating under high load. In this case, the fan on the leeward side of the radiator core 13 needs to generate suction to cool the airflow. The airflow generated by the fan is small. To ensure a good cooling effect on the battery, an airflow guide shroud needs to be set on the windward side of the radiator core 13 to guide the airflow and make full use of the airflow.

[0042] When the vehicle is an electric vehicle, in order to adapt to the usage requirements of electric vehicles, such as Figure 5 and Figure 6 As shown in the figure, the heat dissipation device provided in this embodiment also includes an air guide shroud 40, which is fixedly installed between two air guide side plates 20. An air guide port 41 is provided on the air guide shroud 40, and the airflow flows in through the air guide port 41 of the air guide shroud 40. Under the guidance of the air guide shroud 40, the airflow flows through the heat dissipation core 13. The air guide shroud 40 is used to ensure that the airflow passes through the heat dissipation core 13 accurately and efficiently. The air guide shroud 40 is now in mature application. Its specific structural design and working principle will not be described in detail here, nor will the specific structure and shape of the air guide shroud 40 be limited in too much.

[0043] Furthermore, the air guide shroud 40 and the air guide side plate 20 can be an integral structure, or the air guide shroud 40 and the air guide side plate 20 can be detachably connected. The air guide shroud 40 is usually configured to enclose the radiator 10 and form a guiding space in front of the heat dissipation core 13. When the air guide shroud 40 and the air guide side plate 20 are an integral structure, the air guide side plate 20 serves as the part connecting the air guide shroud 40 to the water inlet chamber 11 and the water outlet chamber 12 of the radiator 10. When the air guide shroud 40 and the air guide side plate 20 are detachably connected, the air guide shroud 40 referred to here should be the remaining part of the air guide shroud 40 excluding the parts on both sides that connect to the water inlet chamber 11 and the water outlet chamber 12 of the radiator 10.

[0044] When the air guide side plate 20 is welded to the radiator 10, the air guide side plate 20 and the air guide cover 40 can be an integral structure, with the air guide cover 40 and the air guide side plate 20 being welded together as a whole onto the water inlet chamber 11 and the water outlet chamber 12 of the radiator 10. When the air guide side plate 20 is integrally formed with the water inlet chamber 11 and the water outlet chamber 12 of the radiator 10, to reduce the difficulty of the integral forming process, the air guide side plate 20 and the air guide cover 40 are configured to be detachably connected. When the water inlet chamber 11 and the water outlet chamber 12 of the radiator 10 are produced by injection molding, only the air guide side plate 20 and the water inlet chamber 11 and the water outlet chamber 12 are integrally formed. Then, the radiator 10 with the integrated air guide side plate 20 is assembled with the air guide cover 40, reducing the production difficulty. Furthermore, this heat dissipation device has greater adaptability. When used on a gasoline vehicle, there is no need to assemble the air guide shroud 40; the air guide side plate 20 can be used as the air guiding component. When used on an electric vehicle, the air guide shroud 40 is then assembled onto the air guide side plate 20. Whether or not to install the air guide shroud 40 depends on the vehicle type, so that the heat dissipation device provided in this embodiment can be adapted to both gasoline vehicles and electric vehicles.

[0045] Specifically, such as Figures 5 to 7 As shown, the air guide side plate 20 has multiple snap-fit ​​holes 201 along its length on the side of the plane 121 away from the water inlet chamber 11 or the water outlet chamber 12. The air guide cover 40 has multiple snap-fit ​​protrusions (not shown in the figure) on its edge. The shape of the snap-fit ​​protrusions can be cylindrical or cuboid. Correspondingly, the shape of the snap-fit ​​holes 201 on the air guide side plate 20 is adapted to the shape of the snap-fit ​​protrusions. The air guide cover 40 and the air guide side plate 20 are snapped onto the air guide side plate 20 through the snap-fit ​​protrusions. The air guide shroud 40 and the air guide side plate 20 can be made of plastic. The width of the air guide shroud 40 is slightly larger than the distance between the two air guide side plates 20. When assembling the air guide shroud 40 and the air guide side plate 20 together, the air guide shroud 40 and the air guide side plate 20 can adapt to this snap-fit ​​method through appropriate deformation. First, apply force to the edge of the air guide shroud 40 to deform the edge of the air guide shroud 40 slightly inward. At this time, the air guide shroud 40 can be inserted between the two air guide side plates 20. Then, release the force on the air guide shroud 40. Under its own springback, the edge of the air guide shroud 40 returns to its original position. During the return process, the snap-fit ​​protrusion snaps into the snap-fit ​​hole 201 of the air guide side plate 20, thereby fixing the air guide shroud 40 and the air guide side plate 20 together. When it is necessary to remove the air guide shroud 40 from the air guide side plate 20, the air guide shroud 40 can be removed in the aforementioned manner. It should be understood that the snap-fit ​​protrusion can also be configured on the air guide side plate 20, and correspondingly, the snap-fit ​​hole 201 is opened on the air guide cover 40, and its installation and disassembly methods are the same as those described above.

[0046] In some embodiments, the connection between the air guide shroud 40 and the air guide side plate 20 can also be such that multiple snap-fit ​​seats are provided on the side of the air guide side plate 20 away from the other air guide side plate 20, and the multiple snap-fit ​​seats are distributed sequentially at intervals along the length direction of the air guide side plate 20. Each snap-fit ​​seat has a snap-fit ​​groove. Correspondingly, multiple snap-fit ​​blocks are provided on the edge of the air guide shroud 40. The snap-fit ​​blocks match the snap-fit ​​grooves on the snap-fit ​​seats. When the snap-fit ​​blocks on the edge of the air guide shroud 40 are snapped into the snap-fit ​​grooves of the snap-fit ​​seats, the air guide shroud 40 and the air guide side plate 20 are tightly abutted.

[0047] Furthermore, such as Figure 3 , Figure 5 , Figure 6 and Figure 8 As shown, the portion of the main body 21 near the top of the radiator 10 is inclined outward toward the water inlet chamber 11 or water outlet chamber 12 of the radiator 10. The top of the air guide side plate 20 extends toward the air guide shroud 40 with a first sealing portion 23. The first sealing portion 23 extends at least partially beyond the plane 121 of the water inlet chamber 11 or water outlet chamber 12, that is, the first sealing portion 23 is located in front of the heat dissipation core 13. The first sealing portion 23 is connected to the air guide shroud 40 and the inner surface 231 of the first sealing portion 23 is arc-shaped. The first sealing part 23 extending from the air guide side plate 20 abuts against the air guide shroud 40. Compared with the air guide shroud 40 being directly connected to the straight air guide side plate 20, it can block the airflow at the top of the air guide side plate 20, minimizing airflow leakage and ensuring heat dissipation. In addition, the inner surface 231 of the first sealing part 23 is arc-shaped, which can also guide the airflow. When the airflow flows through the top of the air guide shroud 40, it is guided by the inner surface 231 of the first sealing part 23 to flow towards the air guide side plate 20 on the opposite side, preventing a large amount of airflow from overflowing from the gap at the connection between the first sealing part 23 and the air guide shroud 40, thereby minimizing airflow leakage and improving heat dissipation.

[0048] And, as Figure 3 , Figure 9 and Figure 10As shown, a second sealing portion 24 extends from the side of the air guide plate 20 near the bottom of the radiator 10 toward the air guide shroud 40. The second sealing portion 24 extends at least partially beyond the plane 121 of the water inlet chamber 11 or the water outlet chamber 12. The second sealing portion 24 is connected to the bottom of the air guide shroud 40. The connection between the second sealing portion 24 and the bottom of the air guide shroud 40 provides a good covering effect, preventing a large amount of airflow from overflowing from the gap at the connection between the air guide plate 20 and the air guide shroud 40. To achieve a good covering effect, the bottom of the air guide shroud 40 extends from the windward side of the radiator 10 toward the leeward side. Therefore, the second sealing portion 24 is located below the radiator 10 and extends toward the leeward side of the radiator 10. The second sealing portion 24 is connected to the bottom of the air guide shroud 40 below the radiator 10, achieving a good covering effect.

[0049] In summary, the heat dissipation device provided in this embodiment, by fixing the air guide side plate 20 to the water inlet chamber 11 and water outlet chamber 12 of the radiator 10, is easy to operate during vehicle assembly, eliminates the need for sponge strips, simplifies the structure, and can be used in both fuel vehicles and electric vehicles, thus having a wide range of applications.

[0050] This embodiment also provides an automobile, including the cooling device as described above.

[0051] 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 heat dissipation device, characterized in that: It includes a radiator (10) and two air guide side plates (20). The two air guide side plates (20) are fixedly connected to the water inlet chamber (11) and the water outlet chamber (12) of the radiator (10) respectively, and are located on the windward side of the radiator (10). The air guide side plates (20) are used to guide the airflow between the two air guide side plates (20).

2. The heat dissipation device according to claim 1, characterized in that: The two air guide side plates (20) are respectively welded to the water inlet chamber (11) and the water outlet chamber (12) of the radiator (10), or the two air guide side plates (20) are integrally formed in the water inlet chamber (11) and the water outlet chamber (12) of the radiator (10).

3. The heat dissipation device according to claim 1, characterized in that: The middle part of the air guide plate (20) protrudes outward in the direction away from the radiator (10) to form a receiving space (25). The water inlet chamber (11) and the water outlet chamber (12) are provided with slots (14) for installing the protective net (30). The slots (14) are located in the receiving space (25).

4. The heat dissipation device according to claim 1, characterized in that: It also includes an air guide shroud (40), which is fixedly installed between the two air guide side plates (20), and the air guide shroud (40) has a flow guide port (41).

5. The heat dissipation device according to claim 4, characterized in that: The air guide cover (40) and the air guide side plate (20) are detachably connected.

6. The heat dissipation device according to claim 5, characterized in that: The air guide side plate (20) has multiple snap-fit ​​holes (201) along its length direction, and the air guide cover (40) has multiple snap-fit ​​protrusions on its edge. The air guide cover (40) and the air guide side plate (20) are snapped onto the air guide side plate (20) through the snap-fit ​​protrusions.

7. The heat dissipation device according to claim 4, characterized in that: The air guide side plate (20) has a first sealing part (23) extending from the top of the radiator (10) toward the air guide shroud (40). The first sealing part (23) extends beyond the water inlet chamber (11) or the water outlet chamber (12). The first sealing part (23) is connected to the air guide shroud (40), and the inner surface (231) of the first sealing part (23) is arc-shaped.

8. The heat dissipation device according to claim 4, characterized in that: The air guide side plate (20) has a second sealing part (24) extending from the bottom of the radiator (10) toward the air guide cover (40). The second sealing part (24) is located below the radiator (10) and extends toward the leeward side of the radiator (10). The second sealing part (24) is connected to the air guide cover (40).

9. The heat dissipation device according to claim 1, characterized in that: The side of the air guide plate (20) connected to the water inlet chamber (11) or the water outlet chamber (12) extends toward the heat dissipation core (13) away from the radiator (10) and has a fixing part (26). The surfaces of the water inlet chamber (11) and the water outlet chamber (12) of the radiator (10) connected to the air guide plate (20) are planes (121). The air guide plate (20) is welded to the plane (121) of the water inlet chamber (11) and the water outlet chamber (12) through the fixing part (26).

10. A car, characterized in that: Includes the heat dissipation device as described in any one of claims 1-9.

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