Heat absorption / dissipation structure and cooling circulation device

Abstract

Provided are a heat absorption / dissipation structure and a cooling circulation device that are capable of reducing traveling wind pressure resistance of a vehicle, and also increasing degree of freedom in design of a front face of the vehicle, in a situation satisfying heat exchange demand. The heat absorption / dissipation structure is provided with a heat absorption / dissipation module (A). This heat absorption / dissipation module (A) includes a heat exchanger that performs internal heat exchange between a heat transfer medium and air, a first air path (9a) for guiding air outside of the vehicle to the heat exchanger, and a fan. The heat absorption / dissipation structure includes a first intake port (103) installed on the vehicle. The fan causes air outside of the vehicle to flow from the first intake port (103) to the heat exchanger via the first air path (9a). The first intake port (103) opens in a direction inclined with respect to upward, downward, sideways in vehicle width direction, or either of up-down direction and vehicle width direction.

Description

Heat absorption and dissipation structure and cooling circulation device CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] This application is based on Patent Application No. 202410384747.5 filed in the People's Republic of China on March 29, 2024, the contents of which are incorporated by reference in their entirety.

[0002] The disclosure of this application relates to a heat absorption and dissipation structure and a cooling circulation device for use in a vehicle.

[0003] Heat exchange between the vehicle thermal system and the natural environment is typically achieved using a cooling module. In current vehicles, many cooling modules are located at the front end of the vehicle's front engine compartment. Many cooling modules absorb and / or dissipate heat by drawing in air from the front grille. In such a structure, one of the power sources for the wind guided to the cooling module is the headwind caused by the vehicle's speed. The cooling module may also be equipped with a cooling fan. In this case, another power source for the wind guided to the cooling module is the cooling fan. When the wind at the vehicle's speed is insufficient, the cooling fan provides supplemental air intake. The cooling fan is typically an axial fan.

[0004] From the perspective of the overall vehicle energy consumption, the headwind from the front grille, which utilizes the vehicle's speed, can reduce the power consumption of the motor in the front cooling module. However, in the case of electric vehicles, the intake air from the front grille at the front of the vehicle increases the vehicle's wind resistance coefficient and worsens the power consumption required for vehicle operation. In the case of electric vehicles, the impact of the vehicle's wind resistance coefficient on the power consumption during vehicle operation becomes significant, especially at high speeds.

[0005] In addition, from the perspective of the front face design of the vehicle, the front grille must take into consideration the functional requirements of the front intake, which also places limitations on the design of the front face.

[0006] The disclosure of this application has been made in consideration of the above circumstances, and its purpose is to provide a heat absorption and dissipation structure and / or a cooling circulation device that can reduce the wind pressure resistance of a vehicle while it is running and increase the design freedom of the vehicle's front face in a situation where heat exchange demand is met.

[0007] To achieve the above object, the heat absorption and dissipation structure disclosed in this application includes a heat absorption and dissipation module, which includes a heat exchanger that exchanges heat between an internal heat medium and air, a first air passage for guiding air outside the vehicle to the heat exchanger, and a fan, and the heat absorption and dissipation structure further includes a first air intake port installed on the vehicle, and the fan causes the air outside the vehicle to flow from the first air intake port to the heat exchanger via the first air passage, and the first air intake port opens upward, downward, to the side in the vehicle width direction, or in a direction inclined relative to either the vertical direction or the vehicle width direction.

[0008] This structure allows the vehicle to break away from the conventional intake layout of intake through the front grille. This structure allows intake from above, below, or the side of the vehicle, thereby reducing the impact of front intake on the vehicle's wind resistance coefficient. This structure also reduces the vehicle's power consumption while driving. Additionally, even after eliminating the front grille and its controls, the number of parts can be reduced, costs can be improved, and design freedom in the vehicle's front face design can be unlocked. Furthermore, by designing the fan and heat exchanger as a single module, the module can be integrated, simplifying the design and saving space.

[0009] In a possible embodiment, the heat absorption and dissipation module is arranged between the front end of the vehicle and the passenger compartment of the vehicle.

[0010] In a vehicle, components related to the heat transfer medium (such as a refrigerant) are generally installed in the front engine compartment, so this structure shortens the distance between the heat absorption and radiation module and other components related to the heat transfer medium, thereby reducing the length of piping, etc.

[0011] In a possible embodiment, the first air intake is arranged between the heat exchanger and the passenger compartment in the longitudinal direction of the vehicle.

[0012] This structure allows the first air intake port and the outside air inlet of the original vehicle interior air conditioning unit to be positioned closer together, making it easier to share the first air intake port between the first air path and the original vehicle interior air conditioning air path.

[0013] In a possible embodiment, the first air inlet is arranged so that the direction of air flow through it is vertical, or so that air enters the first air inlet from above.

[0014] This structure minimizes the impact that the front intake has on the vehicle's wind resistance coefficient, reducing power consumption while the vehicle is running.

[0015] In a possible embodiment, the heat absorption and dissipation module is installed forward of the front axle of the vehicle.

[0016] With this structure, the heat absorption and dissipation module can be installed near the front end of the vehicle so that it does not occupy the installation location of equipment such as a motor, thereby improving the layout flexibility of the vehicle.

[0017] In a possible embodiment, the heat absorption and dissipation module is installed behind the front axle of the vehicle.

[0018] This structure allows the heat absorption and dissipation module and the original cabin air conditioning unit to be positioned close to each other, reducing wind resistance caused by the distance between the air paths. Moreover, it makes it easier to share the first air intake port between the first air path and the original cabin air conditioning air path.

[0019] In a possible embodiment, the heat absorption and dissipation module is installed above a cross member of the vehicle.

[0020] This structure makes it easy to attach and detach the heat absorption and radiation module, and it can be removed from above simply by opening the hood and removing the engine compartment cover. This improves the convenience of after-sales maintenance in the event of a malfunction in the heat absorption and radiation module.

[0021] In a possible embodiment, the first air intake is arranged in the inner wheel cover of the front wheel of the vehicle or in the bottom of the vehicle.

[0022] With this structure, even in situations where there is no position where an opening can be made upward, outside air can be introduced by placing the first air intake port in the inner wheel cover part of the front wheel or in the bottom part.

[0023] In a possible embodiment, the heat absorption and dissipation module is arranged between the rear end of the vehicle and the passenger compartment of the vehicle.

[0024] With this structure, even when other equipment needs to be placed in the front engine compartment due to differences in vehicle model or other reasons and the space is relatively small, the heat absorption and dissipation module can be placed between the rear end of the vehicle and the passenger compartment, thereby increasing the freedom of equipment layout within the vehicle.

[0025] In a possible embodiment, the first air intake is arranged in the inner wheel cover of the rear wheel of the vehicle or in the bottom of the vehicle.

[0026] With this structure, the position of the first air intake port can be set in accordance with the position of the heat absorption and radiation module, thereby improving the degree of freedom in layout.

[0027] In a possible embodiment, the heat transfer medium is a heat transfer medium that exchanges heat with a heat source of the vehicle.

[0028] With this structure, the heat exchanger can be used to transfer heat from the vehicle's heat source to the air outside the vehicle, or to absorb heat from the air through the heat exchanger to replenish the heat required by the heat source.

[0029] In a possible embodiment, the heat absorption and dissipation module has at least two types of heat exchangers, each of which exchanges heat with air using a different heat medium, and the at least two types of heat exchangers include a heat exchanger used in the vehicle's air conditioning system.

[0030] With this structure, the heat absorption and dissipation module according to this disclosure integrates not only the cooling module but also some components of the air conditioning system (i.e., the heat exchanger that exchanges heat with the air within the air conditioning system). This simplifies the layout of components in the engine compartment compared to a system in which the air conditioning system and the cooling module are installed separately. Additionally, by associating components that need to exchange heat with external air, it is possible to use the same intake port (first intake port) for the air conditioning system and the cooling module, for example. This reduces the number of components and simplifies the design of the air path. Furthermore, flexible arrangement of the type and number of heat exchangers can be achieved based on the heat absorption and dissipation capacity and the system framework.

[0031] In a possible embodiment, the heat absorption and dissipation structure further includes a second air intake port that opens toward the interior of the vehicle, and the heat absorption and dissipation module further includes a second air passage having one end connected to the second air intake port and the other end connected to the first air passage.

[0032] This structure enables heat exchange using the air inside the vehicle cabin, recovering thermal energy, improving the heating efficiency of the air conditioning system, and reducing power consumption.

[0033] In a possible embodiment, the heat exchanger is arranged so that its largest plane faces in the direction of air entering from above the vehicle.

[0034] This structure allows condensed water on the heat exchanger surface to be smoothly discharged using gravity, reducing airflow resistance and increasing air volume, thereby improving heat exchange efficiency.

[0035] In a possible embodiment, the heat exchanger includes at least two heat exchangers that use the same type of heat medium to exchange heat with air, the heat medium flows in series through the at least two heat exchangers, and the heat medium flows in from the heat exchanger that is farther from the first air path out of the at least two heat exchangers and flows out from the heat exchanger that is closer to the first air path.

[0036] This structure allows for the integration of multiple heat exchangers using the same type of heat medium within a module, thereby improving heat exchange capacity. In this situation, by arranging the heat exchangers in the above-mentioned arrangement, air first passes through a heat exchanger with a relatively low temperature, and then through a heat exchanger with a relatively high temperature, thereby improving heat dissipation efficiency and maximizing heat exchange capacity.

[0037] In a possible embodiment, the fan is a turbofan.

[0038] This structure allows for a large air volume while minimizing the volume.

[0039] In a possible embodiment, the heat absorption and dissipation module further comprises a heat exchanger casing attached to the outer periphery of the heat exchanger, and a fan casing located on the periphery of the fan.

[0040] With this structure, the casing can fix and protect the heat exchanger and the fan, and also prevent air leakage.

[0041] The cooling circulation device disclosed in this application comprises a compressor that compresses and discharges a refrigerant, a radiator through which the refrigerant flows and releases heat from the refrigerant, and an evaporator through which the refrigerant flows and evaporates the refrigerant, and the radiator or the evaporator is included in the above-mentioned heat absorption and dissipation structure as a heat exchanger.

[0042] This structure allows the radiator or evaporator in the air conditioning system to be integrated into the heat absorption / dissipation module, achieving modularization. This simplifies the design and saves space. Compared to a system in which the air conditioning system and the cooling module are installed separately, the layout of components in the front engine compartment can be simplified. In addition, by associating components that need to exchange heat with outside air, for example, the air conditioning system and the cooling module can use the same intake (first intake). This reduces the number of components and simplifies the air path design.

[0043] FIG. 1 is a schematic diagram for explaining a heat absorption and dissipation structure of a first embodiment. FIG. 2 is an exploded perspective view for explaining the configuration of a heat absorption and dissipation module of the first embodiment. FIG. 3 is a schematic diagram for explaining a heat absorption and dissipation structure of a second embodiment. FIG. 4A is a diagram for explaining the operating method of the heat absorption and dissipation structure of the second embodiment. FIG. 4B is a diagram for explaining the operating method of the heat absorption and dissipation structure of the second embodiment. FIG. 4C is a diagram for explaining the operating method of the heat absorption and dissipation structure of the second embodiment. FIG. 5 is a schematic diagram for explaining a heat absorption and dissipation structure of a third embodiment. FIG. 6 is a schematic diagram for explaining a heat absorption and dissipation structure of a fourth embodiment.

[0044] Hereinafter, preferred embodiments of the present disclosure will be described with reference to the drawings. Note that, among the following embodiments, identical or equivalent parts are designated by the same reference numerals in the drawings.

[0045] (First embodiment) A heat absorption and radiation structure of a first embodiment will be described with reference to Figures 1 and 2. Figure 1 shows a schematic view of the front half of a vehicle.

[0046] In FIG. 1 , a front firewall 106 is used to separate the front engine compartment from the passenger compartment. As shown in FIG. 1 , the heat absorption and dissipation structure of this embodiment includes a heat absorption and dissipation module "A" disposed in the front engine compartment. Specifically, the heat absorption and dissipation module "A" is disposed between the front end of the vehicle and the passenger compartment. Here, the front end of the vehicle refers to the frontmost side in the fore-and-aft direction of the vehicle, i.e., the nose portion. The nose portion is located on the leftmost side in FIG. 1 . Specifically, the heat absorption and dissipation module "A" is disposed forward of the front wheel axle. The heat absorption and dissipation module "A" is disposed above the cross member 104.

[0047] As shown in Figures 1 and 2, the heat absorption and dissipation module "A" includes a motor 1, a fan 2, a coolant-air heat exchanger 3, a first refrigerant-air heat exchanger 4a, a second refrigerant-air heat exchanger 4b, a motor stationary casing 5, a fan casing 6, a first heat exchanger casing 7, a second heat exchanger casing 8, and a first air passage 9a.

[0048] The motor 1 is arranged on one side of the motor stationary casing 5. The fan 2 is arranged on the other side of the motor stationary casing 5. The motor 1 and the fan 2 are located on opposite sides of the motor stationary casing 5. The motor 1 is fixed to the motor stationary casing 5. The output shaft of the motor 1 is arranged to pass through the motor stationary casing 5. The output shaft of the motor 1 is connected to the fan 2. As a result, the motor 1 can drive the fan 2. The fan casing 6 is connected to the motor stationary casing 5. The fan casing 6, together with the motor stationary casing 5, forms a space for accommodating the fan 2. The fan casing 6 is located on the periphery of the fan 2. In this embodiment, the fan 2 is a turbofan.

[0049] The coolant-air heat exchanger 3, the first refrigerant-air heat exchanger 4a, and the second refrigerant-air heat exchanger 4b are each formed in a flat, approximately rectangular parallelepiped shape. The coolant-air heat exchanger 3, the first refrigerant-air heat exchanger 4a, and the second refrigerant-air heat exchanger 4b each have approximately the same shape when viewed from above. In this embodiment, the heat exchangers have, for example, an approximately rectangular shape as shown in FIG. 2. The coolant-air heat exchanger 3, the second refrigerant-air heat exchanger 4b, and the first refrigerant-air heat exchanger 4a are stacked in this order from top to bottom.

[0050] As shown in FIG. 2 , ports 31 and 32 for the inflow and outflow of the coolant are provided on two opposing sides of the coolant-air heat exchanger 3. Although not shown, the refrigerant flow paths in the first refrigerant-air heat exchanger 4a and the second refrigerant-air heat exchanger 4b are interconnected. The first refrigerant-air heat exchanger 4a has a refrigerant inlet port. The second refrigerant-air heat exchanger 4b has a refrigerant outlet port. The refrigerant flows into the first refrigerant-air heat exchanger 4a through the inlet port, passes through the first refrigerant-air heat exchanger 4a and the second refrigerant-air heat exchanger 4b in that order, and flows out of the second refrigerant-air heat exchanger 4b. In the following description, unless otherwise specified, the coolant-air heat exchanger 3, the first refrigerant-air heat exchanger 4a, and the second refrigerant-air heat exchanger 4b may be collectively referred to as heat exchangers. The coolant-air heat exchanger 3, the first refrigerant-air heat exchanger 4a, and the second refrigerant-air heat exchanger 4b constitute the heat exchangers in the heat absorption / radiation module "A".

[0051] The heat exchanger exchanges heat between the heat generated by the heat source of the vehicle and the air outside the vehicle. Specifically, a heat medium such as a coolant or refrigerant exchanges heat with the heat source of the vehicle. The heat medium then flows into the heat exchanger, where it exchanges heat with the air outside the vehicle. In this way, the heat exchanger exchanges heat between the heat generated by the heat source and the air via the heat medium.

[0052] In this embodiment, the heat source may be at least one of a cooling circulation system such as an air conditioning system, an electric drive system, a battery, and other electronic components of the vehicle. When the heat exchanger is connected to a battery or an electric drive system, the battery or the electric drive system can be cooled using a heat medium. When the heat exchanger is connected to an air conditioning system, the heat exchanger can function in a cooling mode as a component that transfers heat from the air conditioning system to the air outside the vehicle cabin. Additionally, the heat exchanger can also function in a heating mode as a component that absorbs heat from the air outside the vehicle cabin and supplies heat to the air conditioning system. In the cooling mode, for example, the first refrigerant-to-air heat exchanger 4a and / or the second refrigerant-to-air heat exchanger 4b are used as radiators that transfer heat from the refrigerant to the air. In the heating mode, for example, the first refrigerant-to-air heat exchanger 4a and / or the second refrigerant-to-air heat exchanger 4b are used as evaporators that absorb heat from the air to the refrigerant. The operation of the heat exchangers will be described in detail later.

[0053] The heat exchanger is disposed on one side of the fan 2. The heat exchanger is disposed on one side of the fan 2 opposite the side on which the motor 1 is disposed. The heat exchanger is disposed in a casing that houses the heat exchanger and defines an air passage. The first heat exchanger casing 7, the heat exchanger, and the second heat exchanger casing 8 are horizontally arranged in this order. The first heat exchanger casing 7 and the second heat exchanger casing 8 are disposed on either side of the heat exchanger. The first heat exchanger casing 7 and the second heat exchanger casing 8 are disposed so as to sandwich the heat exchanger. The first heat exchanger casing 7 and the second heat exchanger casing 8 are attached to the outer periphery of the heat exchanger. A plurality of support parts corresponding to the shapes of the coolant-air heat exchanger 3, the first refrigerant-air heat exchanger 4a, and the second refrigerant-air heat exchanger 4b are disposed on the sides of the first heat exchanger casing 7 and the second heat exchanger casing 8 facing the heat exchangers, respectively. Furthermore, the first heat exchanger casing 7 and the second heat exchanger casing 8 are provided with a plurality of openings for arranging a plurality of ports. The plurality of ports include a port 31, a port 32, a refrigerant inlet port, and a refrigerant outlet port. The plurality of openings may be consolidated into one or two openings.

[0054] The first heat exchanger casing 7, the second heat exchanger casing 8, the fan casing 6, and the motor fixing casing 5 provide a casing for the heat absorption and dissipation module "A." The first heat exchanger casing 7, the second heat exchanger casing 8, the fan casing 6, and the motor fixing casing 5 are connected to one another. As a result, the casing forms the main body of the heat absorption and dissipation module "A" shown in Figure 1. As shown in Figures 1 and 2, the heat absorption and dissipation module "A" is configured so that the heat exchanger is located above the fan 2.

[0055] As shown in FIG. 1 , the first air duct 9a is installed on one side of the heat exchanger opposite the fan 2. The housing forming the first air duct 9a is connected to the heat exchanger casing. The housing forming the first air duct 9a is connected to the first heat exchanger casing 7 and the second heat exchanger casing 8. Although not shown in the figure, the outlet of the first air duct 9a covers the plane of the heat exchanger with the largest area when viewed from above. The heat absorption and dissipation structure of this embodiment further includes a first air intake 103 installed in the vehicle. The first air intake 103 opens upward. The first air intake 103 is connected to the first air duct 9a upstream of the first air duct 9a. As a result, when the fan 2 operates, air from outside the vehicle is drawn in through the first air intake 103 and flows toward the heat exchanger via the first air duct 9a. The air exchanges heat with the heat medium in the heat exchanger and then flows out of the heat absorption / dissipation module "A".

[0056] The first air intake 103 is disposed between the heat exchanger and the passenger compartment in the longitudinal direction of the vehicle. For example, the first air intake 103 is disposed on the vehicle surface behind the hood 101 and below the windshield. In other words, the first air intake 103 opens into the area between the hood 101 and the windshield.

[0057] The first air intake 103 is arranged so that the air passing through it flows vertically. Here, "the air flows vertically" refers to the vertical direction of air immediately after entering the first air intake 103 when the fan 2 operates to draw air from outside the vehicle toward the first air intake 103. For example, this can be achieved by installing the first air intake 103 on a surface parallel to the vehicle chassis. Alternatively, the first air intake 103 is arranged so that air enters the first air intake 103 from above, regardless of whether the first air intake 103 is installed on a surface parallel to the vehicle chassis. The air then flows into the heat exchanger via the first air duct 9a, which is arranged horizontally as shown in FIG. 1 . In the cavity between the first air intake 103 and the first air duct 9a, the air changes direction at a substantially right angle. The cavity downstream of the first inlet 103 is also called the inlet elbow.

[0058] In this embodiment, the heat exchanger is positioned with its largest flat surface facing the direction of air entering from above the vehicle. As mentioned above, the first air passage 9a is installed above the heat exchanger, so air enters the heat exchanger from above via the first air passage 9a. In the cavity between the first air passage 9a and the air passage within the heat exchanger, the air changes direction at a nearly right angle. This cavity upstream of the heat exchanger is also called the heat exchanger upper elbow. In this situation, the coolant-to-air heat exchanger 3, the first refrigerant-to-air heat exchanger 4a, and the second refrigerant-to-air heat exchanger 4b, each of which has a flat, approximately rectangular parallelepiped shape, are positioned with their largest flat surfaces facing upward, as shown in FIG. 2 . In other words, the heat exchangers are positioned so that their largest flat surfaces are parallel to the vehicle chassis. This allows condensed water on the heat exchanger surface to be smoothly discharged using gravity. As a result, airflow resistance is reduced, air volume is increased, and heat exchange efficiency is improved.

[0059] The effects of this embodiment are described below. As described above, the heat absorption and dissipation structure of this embodiment includes a heat absorption and dissipation module "A" and a first air intake 103. The heat absorption and dissipation module "A" includes a heat exchanger, a first air passage 9a, and a fan 2. The first air intake 103 opens upward. Therefore, air from outside the vehicle enters through the first air intake 103, which serves as an air inlet, and is introduced into the heat exchanger via the first air passage 9a. After heat exchange in the heat exchanger, the air is discharged. The air is then discharged into the front engine compartment and then from the front engine compartment to the outside of the vehicle. As such, the conventional air intake layout of intake through the front grille is not adopted. According to this embodiment, the conventional longitudinal intake is replaced by an intake from above. This reduces the impact of the front intake on the vehicle's wind resistance coefficient. As a result, power consumption during vehicle operation can be reduced. At the same time, the number of parts can be reduced, improving costs even after eliminating the front grille and its control. Furthermore, this allows for greater freedom in the design of the vehicle's front face. Furthermore, in this embodiment, the heat exchanger and fan 2 are designed as a single module, achieving modular integration. This simplifies the design and saves space in the vehicle.

[0060] In a possible embodiment, the heat absorption and radiation module "A" is disposed between the front end of the vehicle and the passenger compartment. In a vehicle, components related to the heat transfer medium, such as a refrigerant, are generally installed in the front engine compartment. Therefore, the arrangement of this embodiment shortens the distance between the heat absorption and radiation module "A" and other components related to the heat transfer medium, thereby shortening the length of piping, etc.

[0061] In a possible embodiment, the first air intake 103 is disposed between the heat exchanger and the passenger compartment in the longitudinal direction of the vehicle. This arrangement allows for two layouts: In the first layout, the first air intake 103 is located close to the vehicle's general outside air inlet of the air conditioning unit. In this case, the first air intake 103 directs air toward the first air duct 9a. In this case, the air conditioning unit's outside air inlet directs air toward the air conditioning unit air duct. In this case, the first air duct 9a and the air conditioning unit air duct to which the air flows are not connected and do not interfere with each other. In the second layout, the first air intake 103 directly uses the vehicle's general outside air inlet of the air conditioning unit. In this case, the second layout can be achieved by slightly enlarging the air conditioning unit's outside air inlet. This allows the first air duct 9a and the air conditioning unit air duct to share the same air intake (first air intake 103), thereby simplifying the air duct structure.

[0062] In a possible embodiment, the first air inlet 103 is positioned so that the air flow direction passing through the first air inlet 103 is vertical, or so that the air enters the first air inlet 103 from above, thereby minimizing the effect of the front intake on the wind resistance coefficient of the vehicle and reducing power consumption when the vehicle is moving.

[0063] In a possible embodiment, the heat absorption and dissipation module "A" is installed forward of the front wheel axle of the vehicle. This allows the heat absorption and dissipation module "A" to be installed near the front end of the vehicle. This prevents the heat absorption and dissipation module "A" from occupying the installation position of equipment such as a motor. This improves the layout flexibility of the vehicle.

[0064] In a possible embodiment, the heat absorption and radiation module "A" is installed above the cross member 104. Alternatively, the heat absorption and radiation module "A" is installed below the engine room cover 102, and no other components are present between the heat absorption and radiation module "A" and the engine room cover 102. Alternatively, the heat absorption and radiation module "A" is installed above the cross member 104, and the heat absorption and radiation module "A" is located below the engine room cover 102, and no other components are present between the heat absorption and radiation module "A" and the engine room cover 102. This facilitates installation and removal. As shown in FIG. 1 , the heat absorption and radiation module "A" can be removed from above by simply opening the hood 101 and removing the engine room cover 102. This improves the convenience of after-sales maintenance in the event of a malfunction of the heat absorption and radiation module "A."

[0065] In a possible embodiment, the heat absorption / dissipation module "A" has at least two types of heat exchangers. In this case, each of the at least two types of heat exchangers exchanges heat with air using a different heat medium. In this case, the at least two types of heat exchangers include heat exchangers used in a vehicle's air conditioning system. For example, the heat absorption / dissipation module "A" includes a coolant-air heat exchanger 3 that uses a coolant as a heat medium and a refrigerant heat exchanger that uses a refrigerant as a heat medium. The refrigerant heat exchangers may include a first refrigerant-air heat exchanger 4a and a second refrigerant-air heat exchanger 4b. For example, the coolant-air heat exchanger 3 may be a heat exchanger that cools a battery, an electric drive system, etc. For example, the first refrigerant-air heat exchanger 4a and the second refrigerant-air heat exchanger 4b may be heat exchangers used in a vehicle's air conditioning system. The heat exchangers may be, for example, the above-mentioned radiator and evaporator.

[0066] This may allow the cooling module and air conditioning system within the vehicle to be modularized and integrated into the heat absorption and dissipation module "A." That is, the heat absorption and dissipation module "A" of this embodiment integrates not only the cooling module but also some components of the air conditioning system (heat exchanger). In this case, the layout of components within the front engine compartment can be simplified compared to a system in which the air conditioning system and the cooling module are installed separately. In this case, by associating components that need to exchange heat with external air, it is possible, for example, to use the same intake port (first intake port 103) for the air conditioning system and the cooling module. This reduces the number of components and simplifies the design of the air path. Furthermore, flexible arrangement of the type and number of heat exchangers can be achieved based on the heat absorption and dissipation capacity and the system framework.

[0067] In a possible embodiment, the heat exchanger includes at least two heat exchangers that use the same type of heat medium to exchange heat with air. In this case, the heat medium flows in series through the at least two heat exchangers. In this case, the heat medium flows into the heat exchanger farthest from the first air path and out of the heat exchanger closest to the first air path. In other words, the heat medium flows through the first heat exchanger located downstream in the air flow and then through the second heat exchanger located upstream in the air flow. For example, the coolant-to-air heat exchanger 3, the second refrigerant-to-air heat exchanger 4b, and the first refrigerant-to-air heat exchanger 4a are stacked in this order in the vertical direction. Since the temperature of the coolant is usually lower than that of the refrigerant, the coolant-to-air heat exchanger 3 is located upstream in the air flow direction (upper in this embodiment). Furthermore, the first refrigerant-to-air heat exchanger 4a and the second refrigerant-to-air heat exchanger 4b are located downstream in the air flow direction (lower in this embodiment). This arrangement allows sufficient heat exchange with the relatively low-temperature air outside the vehicle, thereby further improving the heat dissipation efficiency.

[0068] The same applies to the first refrigerant-air heat exchanger 4a and the second refrigerant-air heat exchanger 4b, and the refrigerant flow paths in the first refrigerant-air heat exchanger 4a and the second refrigerant-air heat exchanger 4b are connected. In this configuration, when used for heat dissipation, the temperature of the first refrigerant-air heat exchanger 4a is higher than that of the second refrigerant-air heat exchanger 4b. In this embodiment, the second refrigerant-air heat exchanger 4b is disposed upstream in the air flow direction, and the first refrigerant-air heat exchanger 4a is disposed downstream in the air flow direction. As a result, air drawn in from the outside first passes through the second refrigerant-air heat exchanger 4b, which has a relatively low temperature, and then passes through the first refrigerant-air heat exchanger 4a, which has a relatively high temperature, thereby improving heat dissipation efficiency.

[0069] In a possible embodiment, the heat exchanger is positioned so that its largest plane faces the direction of air entering from above the vehicle, allowing condensed water on the heat exchanger surface to be smoothly discharged using gravity, reducing airflow resistance and increasing air volume, thereby improving heat exchange efficiency.

[0070] In a possible embodiment, the fan 2 is a turbofan, which allows for a large air volume while minimizing the volume as much as possible.

[0071] In a possible embodiment, the heat absorption / dissipation module "A" further comprises a fan casing 6, a first heat exchanger casing 7, and a second heat exchanger casing 8. This allows the heat exchangers and the fan to be fixed and protected via these casings. In addition, it also prevents air leakage between the coolant-to-air heat exchanger 3, the first refrigerant-to-air heat exchanger 4a, and the second refrigerant-to-air heat exchanger 4b.

[0072] Second Embodiment A second embodiment will be described with reference to Figures 3, 4A, 4B, and 4C. In this embodiment, differences from the first embodiment will be mainly described. Note that descriptions of parts that are the same as or equivalent to the above-described embodiments will be omitted or simplified. This also applies to the following embodiments.

[0073] As shown in FIG. 3 , the heat absorption and dissipation structure of the second embodiment further includes a second air intake port 105 that opens toward the vehicle interior. In this case, the second air intake port 105 is connected to the front firewall 106. In this case, the heat absorption and dissipation module “A” further includes a second air passage 9b. In this case, one end of the second air passage 9b is connected to the second air intake port 105, and the other end is connected to the first air passage 9a. This allows the heat absorption and dissipation module “A” to draw in air from within the vehicle cabin as well as air from outside the vehicle. Air from within the vehicle cabin enters the second air passage 9b through the second air intake port 105. Furthermore, the air from within the vehicle cabin is introduced to the heat exchanger through the second air passage 9b, where it exchanges heat before being discharged outside the vehicle. This allows the heat exchanger to exchange heat between the heat medium in the heat exchanger and the air from within the vehicle cabin. In addition, the first air intake 103 and the second air intake 105 are each provided with a grille or throttle that can be controlled independently of each other, thereby allowing the opening and closing of the two air intakes to be controlled independently.

[0074] The operation of the heat absorption and radiation module "A" of the second embodiment will be described with reference to Figures 4A, 4B, and 4C. Other vehicle components are not shown in Figures 4A, 4B, and 4C. The heat absorption and radiation module "A" of this embodiment can switch between an outside air heat absorption and radiation mode, an inside air heat absorption mode, and a combined inside and outside air heat absorption mode.

[0075] 4A is a schematic diagram showing the heat absorption and dissipation module "A" in the outside air heat absorption and dissipation mode. The outside air heat absorption and dissipation mode is usually used in the summer driving mode. Additionally, the outside air heat absorption and dissipation mode may also be used in the winter when the temperature is not too low and there is no ventilation heat source in the vehicle (for example, when the air conditioner has just been turned on in the vehicle and the vehicle is not yet heated).

[0076] As shown in FIG. 4A , in the outside air intake / dissipation mode, the first air intake 103 is open and the second air intake 105 is closed. When the motor 1 rotates the fan 2 to blow air, outside air enters through the first air intake 103 as indicated by the arrow in FIG. 4A . The outside air then passes through the first air passage 9a and flows toward the heat exchanger, exchanging heat with the heat medium in the heat exchanger. In the summer driving mode, the air temperature is relatively low and the temperatures of the coolant and refrigerant are relatively high, so the heat medium can be cooled using gas outside the vehicle cabin. The coolant and refrigerant dissipate heat, allowing the battery, electric drive system, or the vehicle cabin to be cooled via the heat medium. In the winter driving mode, if only one type of heat medium is used, the heat medium absorbs heat from the air and warms the vehicle cabin. When there are two types of heat transfer media, coolant and refrigerant, and the coolant is connected to a heat-generating component such as a motor and can provide heat, the refrigerant can absorb the heat from both the coolant and the air, thereby heating the interior of the vehicle.

[0077] Furthermore, if the second air intake port 105 and the second air passage 9b are not provided as in the first embodiment, only the outside air intake / dissipation mode can be used.

[0078] Additionally, in winter, to prevent fogging, the air conditioning system typically draws in fresh, dry outside air, heats it, and then blows it into the cabin. This causes the air pressure inside the vehicle cabin to rise, and to stabilize the air pressure, the gas inside the vehicle cabin must be exhausted through the rear ventilation vent. However, after the air conditioning heats the vehicle cabin for a certain period of time, the temperature stabilizes and becomes higher than the temperature outside the vehicle cabin. Therefore, continuing to exhaust the gas inside the vehicle cabin to the outside results in heat loss. In this situation, by using the inside air heat absorption mode or the combined inside and outside air heat absorption mode, the heat of the gas that would normally be exhausted through the rear ventilation vent can be recovered by introducing the gas inside the vehicle cabin through the second air intake vent 105 into the heat absorption and dissipation module "A."

[0079] 4B is a schematic diagram of the heat absorption / dissipation module "A" in the inside air heat absorption mode. The inside air heat absorption mode is typically used in winter when the temperature is particularly low, heat cannot be absorbed from the outside air, and there is a ventilation heat source inside the vehicle cabin. An example of a situation where there is a ventilation heat source is when the vehicle cabin is already heated by the air conditioner.

[0080] As shown in Figure 4B, in the inside air heat intake mode, the first air intake port 103 is closed and the second air intake port 105 is open. When the motor 1 rotates the fan 2 to blow air, air from inside the vehicle cabin enters through the second air intake port 105 as indicated by the arrow in Figure 4B. The air from inside the vehicle cabin then passes through the second air passage 9b and the first air passage 9a, in that order, toward the heat exchanger, exchanging heat with the heat medium in the heat exchanger. This allows the air pressure inside the vehicle cabin to be stabilized when the vehicle cabin is heated, and also allows the heat of the air exhausted to stabilize the air pressure to be recovered, thereby reducing heat loss.

[0081] 4C is a schematic diagram of the heat absorption / dissipation module "A" in the shared indoor / outdoor air heat absorption mode. The shared indoor / outdoor air heat absorption mode is typically used in winter when the temperature is not too low and there is a ventilation heat source inside the vehicle cabin. For example, the vehicle cabin may already be heated by the air conditioner.

[0082] As shown in FIG. 4C , in the shared interior / exterior heat absorption mode, the first air intake 103 and the second air intake 105 are opened. When the motor 1 rotates the fan 2 to blow air, the air outside the vehicle cabin enters through the first air intake 103, as indicated by the arrows in FIG. 4C . At the same time, the air inside the vehicle cabin enters through the second air intake 105. The air outside the vehicle cabin and the air inside the vehicle cabin are mixed in the first air passage 9a and flow toward the heat exchanger. As a result, the mixed air exchanges heat with the heat medium in the heat exchanger. This allows heat to be absorbed not only from the air inside the vehicle cabin but also from air outside the vehicle cabin that is not too cold, and used in the heat exchanger. This reduces the amount of heat absorbed from the air circulating inside the vehicle cabin, further reducing heat loss from the air inside the vehicle cabin.

[0083] As described above, the heat absorption and dissipation structure according to the second embodiment includes not only the first air intake port 103 and the first air passage 9a, but also the second air intake port 105 and the second air passage 9b for introducing air from inside the vehicle cabin. Therefore, in addition to heat exchange with outside air, heat recovery from the air inside the vehicle cabin can also be performed. This makes it possible to improve the efficiency of the air conditioning system by utilizing ventilation inside the vehicle cabin and reduce power consumption.

[0084] Third Embodiment A third embodiment will be described with reference to Fig. 5. Fig. 5 is a top view schematically showing the front portion of a vehicle, with the left side showing the front of the vehicle.

[0085] As shown in Figure 5, the first air intake 103 may be located laterally in the vehicle width direction, for example, on the side of the body shell. Although not shown in detail in the figure, the first air intake 103 may also be located near the front wheels, for example, on the inner wheel covers of the front wheels. In this case, the positions of the heat exchanger and the second air intake 105 facing the front firewall 106 may be adjusted accordingly. Furthermore, the second air duct 9b may not be connected to the first air duct 9a as shown in Figure 5, but may be directly connected to the heat exchanger.

[0086] In this embodiment, even if the first air intake 103 cannot be installed at the position shown in the first embodiment due to differences in the model of the vehicle, the first air intake 103 can be installed on the side of the vehicle. Even in such a situation, the same effects as those of the above embodiment can be obtained.

[0087] (Fourth embodiment) A fourth embodiment will be described with reference to Fig. 6. Fig. 6 is a schematic diagram for explaining a heat absorption and dissipation structure of the fourth embodiment, and shows a schematic view of the rear part of a vehicle.

[0088] As shown in Fig. 6, unlike the first, second, and third embodiments, the heat absorption and dissipation module "A" of the fourth embodiment is installed below the trunk 107 at the rear of the vehicle. Furthermore, the heat absorption and dissipation module "A" is arranged so that the heat exchanger is located below the fan 2. Furthermore, the first air intake 103 is installed near the rear wheels or on the bottom of the vehicle, for example, on the inner wheel cover of the rear wheels, or on the chassis around the rear wheels. In this case, the second air intake 105 is connected to the rear firewall 108.

[0089] In this embodiment, even if the heat absorption and dissipation module "A" cannot be installed in the front engine compartment due to vehicle requirements, the heat absorption and dissipation module "A" can be installed between the rear end of the vehicle and the passenger compartment, for example, below the trunk 107. Here, the rear end of the vehicle refers to the rearmost part in the fore-and-aft direction of the vehicle, i.e., the tail part (the rightmost part in FIG. 6). Even in such a situation, the same effects as those of the above embodiment can be obtained, and the degree of freedom in the layout of equipment inside the vehicle can be increased.

[0090] (Other Embodiments) The disclosure of this application is not limited to the above-described embodiments, and can also be implemented in the following manner.

[0091] The first air intake 103 is not limited to the above-described embodiments and can be modified as appropriate. For example, the first air intake 103 may open upward, downward, laterally in the vehicle width direction, or in a direction inclined relative to either the vertical direction or the vehicle width direction. The inclined direction may include a direction inclined relative to the vertical direction and / or a direction inclined relative to the vehicle width direction. For example, in the first, second, and third embodiments, the first air intake 103 may be disposed at the bottom of the vehicle. In the fourth embodiment, the first air intake 103 may be disposed at the side of the vehicle. In these embodiments, the first air passage 9a may be modified so as to fluidly connect the first air intake 103 to a heat exchanger. The first air intake 103 may be provided by a single opening or by multiple openings.

[0092] In the first embodiment, the flow direction of air passing through the first air intake port 103 is vertical. That is, the first air intake port 103 faces vertically upward. However, this is not limited thereto, and the first air intake port may open at an angle. For example, the first air intake port may be installed on a surface that is inclined obliquely upward relative to the chassis of the vehicle.

[0093] In the first embodiment, the heat exchanger is arranged so that its largest plane faces the direction of air entering from above the vehicle. That is, the heat exchanger is arranged so that its largest plane is parallel to the horizontal. However, the direction of air flow in the heat exchanger is not limited to this. The heat exchanger may be arranged so that its largest plane is inclined relative to the horizontal. Alternatively, the heat exchanger may be arranged so that its largest plane is perpendicular to the horizontal.

[0094] In the first embodiment, the heat absorption and radiation module "A" is installed forward of the front wheel axle. Moreover, the heat absorption and radiation module "A" is installed above the cross member 104. However, the location of the heat absorption and radiation module "A" is not limited to this. The heat absorption and radiation module "A" can be installed at any position within the front engine compartment.

[0095] For example, in a possible embodiment, the heat absorption and dissipation module "A" is installed behind the front axle of the vehicle. This structure allows the heat absorption and dissipation module "A" to be positioned closer to the outside air inlet of a conventional cabin air conditioning unit. As a result, wind resistance caused by the distance of the air duct can be reduced. In addition, it may be possible for the first air duct 9a and the conventional cabin air conditioning air duct to share the first air intake port 103.

[0096] In the above embodiment, the heat absorption and dissipation module "A" includes a coolant-to-air heat exchanger 3, a first refrigerant-to-air heat exchanger 4a, and a second refrigerant-to-air heat exchanger 4b. However, the elements included in the heat exchangers are not limited to these. Possible embodiments do not limit the type or number of heat exchangers included in the heat absorption and dissipation module provided. If the refrigerant heat dissipation capacity requirement is not high, the heat absorption and dissipation module "A" may include only the first refrigerant-to-air heat exchanger 4a and not the second refrigerant-to-air heat exchanger 4b. Alternatively, or additionally, the heat absorption and dissipation module "A" may include two or more coolant-to-air heat exchangers. Alternatively, or additionally, the heat absorption and dissipation module "A" may include three or more refrigerant-to-air heat exchangers. In this case, at least two heat exchangers may be provided that use the same type of heat medium to exchange heat with air. In this case, the heat medium flows in series through these at least two heat exchangers. In addition, it is desirable that the heat medium flows in from the first heat exchanger, which is farther from the first air passage 9 a, and flows out from the second heat exchanger, which is closer to the first air passage 9 a. This configuration provides excellent heat exchange performance.

[0097] In addition, the heat exchanger may include at least two heat exchangers that exchange heat with air using the same type of heat medium. In this case, the heat medium may flow into and out of the at least two heat exchangers separately.

[0098] In the above embodiment, the fan 2 is a turbofan. However, the fan 2 is not limited to this. In other embodiments, other types of fans can be used as the fan 2.

[0099] In each embodiment, the vehicle is an electric vehicle. The structure disclosed herein is not limited to electric vehicles. The heat absorption and dissipation structure and cooling circulation device disclosed herein can also be applied to hybrid vehicles and plug-in hybrid vehicles.

[0100] The disclosure in this specification is not limited to the above specific examples. Modifications of the above specific examples by a person skilled in the art should be understood to be within the scope of this disclosure as long as they include the features of this disclosure. The elements of the above specific examples, as well as their arrangement, conditions, shape, etc., are not limited to the exemplified content and can be modified as appropriate. The combinations of the elements of the above specific examples can be modified as appropriate as long as no technical contradictions arise.

[0101] (Disclosure of Technical Ideas) This specification discloses multiple technical ideas described in the following multiple clauses. Some clauses may be described in a multiple dependent form, in which the subsequent clause alternatively refers to the preceding clause. Furthermore, some clauses may be described in a multiple dependent form, in which the subsequent clause refers to another multiple dependent clause. The clauses described in these multiple dependent forms define multiple technical ideas.

[0102] (Technical Idea 1) A heat absorption and dissipation structure comprising a heat absorption and dissipation module, the heat absorption and dissipation module including a heat exchanger that exchanges heat between an internal heat medium and air, a first air passage for guiding air outside the vehicle to the heat exchanger, and a fan, the heat absorption and dissipation structure further including a first air intake port installed on the vehicle, the fan causing the air outside the vehicle to flow from the first air intake port through the first air passage to the heat exchanger, and the first air intake port opening upward, downward, to the side in the vehicle width direction, or in a direction inclined relative to either the vertical direction or the vehicle width direction.

[0103] (Technical Concept 2) The heat absorption and radiation structure according to Technical Concept 1, wherein the heat absorption and radiation module is disposed between a front end of the vehicle and a passenger compartment of the vehicle.

[0104] (Technical Concept 3) The heat absorption and dissipation structure according to Technical Concept 1 or 2, wherein the first intake port is disposed between the heat exchanger and the passenger compartment in the front-rear direction of the vehicle.

[0105] (Technical Idea 4) A heat absorption and dissipation structure according to any one of Technical Ideas 1 to 3, wherein the first air intake port is arranged so that the flow direction of air passing through the first air intake port is vertical, or so that air enters the first air intake port from above.

[0106] (Technical Concept 5) The heat absorption and radiation structure according to any one of Technical Concepts 1 to 4, wherein the heat absorption and radiation module is installed forward of the axle of the front wheels of the vehicle.

[0107] (Technical Concept 6) The heat absorption and radiation structure according to any one of Technical Concepts 1 to 5, wherein the heat absorption and radiation module is installed above a cross member of the vehicle.

[0108] (Technical Concept 7) The heat absorption and dissipation structure according to any one of Technical Concepts 1 to 6, wherein the first air intake port is disposed in an inner wheel cover portion of a front wheel of the vehicle or in a bottom portion of the vehicle.

[0109] (Technical Concept 8) The heat absorption and radiation structure according to Technical Concept 1, wherein the heat absorption and radiation module is disposed between a rear end of the vehicle and a passenger compartment of the vehicle.

[0110] (Technical Concept 9) The heat absorption and dissipation structure according to Technical Concept 1 or 8, wherein the first air intake port is disposed in an inner wheel cover portion of a rear wheel of the vehicle or in a bottom portion of the vehicle.

[0111] (Technical Concept 10) The heat absorption and dissipation structure according to any one of Technical Concepts 1 to 9, wherein the heat medium is a heat medium that exchanges heat with a heat source of the vehicle.

[0112] (Technical Idea 11) The heat absorption and dissipation module has at least two types of heat exchangers that exchange heat with air using different heat media, and the at least two types of heat exchangers include a heat exchanger used in the vehicle's air conditioning system. This is a heat absorption and dissipation structure described in any of Technical Ideas 1 to 10.

[0113] (Technical Idea 12) The heat absorption and dissipation structure further includes a second air intake port that opens toward the interior of the vehicle, and the heat absorption and dissipation module further includes a second air duct having one end connected to the second air intake port and the other end connected to the first air duct. This heat absorption and dissipation structure is described in any of Technical Ideas 1 to 11.

[0114] (Technical Idea 13) The heat absorption and dissipation structure according to any one of Technical Ideas 1 to 12, wherein the heat exchanger is arranged so that the largest plane of the heat exchanger faces the direction of air entering from above the vehicle.

[0115] (Technical Idea 14) A heat absorption and dissipation structure according to any one of Technical Ideas 1 to 13, wherein the heat exchanger includes at least two heat exchangers that exchange heat with air using the same type of heat medium, the heat medium flows in series through the at least two heat exchangers, and the heat medium flows in from one of the at least two heat exchangers that is farther from the first air path and flows out from the heat exchanger that is closer to the first air path.

[0116] (Technical Concept 15) The heat absorption and dissipation structure according to any one of Technical Concepts 1 to 14, wherein the fan is a turbofan.

[0117] (Technical Idea 16) A heat absorption and dissipation structure according to any one of Technical Ideas 1 to 15, wherein the heat absorption and dissipation module further comprises: a heat exchanger casing attached to the outer periphery of the heat exchanger; and a fan casing located on the periphery of the fan.

[0118] (Technical Idea 17) A cooling circulation device comprising: a compressor that compresses and discharges a refrigerant; a radiator through which the refrigerant flows and releases heat from the refrigerant; and an evaporator through which the refrigerant flows and evaporates the refrigerant, wherein the radiator or the evaporator is the heat exchanger in a heat absorption and radiation structure described in any one of Technical Ideas 1 to 16.

[0119] A Heat absorption and dissipation module 1 Motor 2 Fan 3 Coolant air heat exchanger 4a First refrigerant air heat exchanger 4b Second refrigerant air heat exchanger 5 Motor fixed casing 6 Fan casing 7 First heat exchanger casing 8 Second heat exchanger casing 9a First air passage 9b Second air passage 103 First air intake port 105 Second air intake port.

Claims

1. A heat absorption and dissipation structure comprising a heat absorption and dissipation module, the heat absorption and dissipation module including a heat exchanger that exchanges heat between an internal heat medium and air, a first air passage for guiding air outside the vehicle to the heat exchanger, and a fan, the heat absorption and dissipation structure further including a first air intake port installed on the vehicle, the fan causing the air outside the vehicle to flow from the first air intake port to the heat exchanger via the first air passage, and the first air intake port opening upward, downward, to the side in the vehicle width direction, or in a direction inclined relative to either the vertical direction or the vehicle width direction.

2. The heat absorption and radiation structure according to claim 1, wherein the heat absorption and radiation module is disposed between the front end of the vehicle and the passenger compartment of the vehicle.

3. The heat absorption and radiation structure according to claim 2, wherein the first air intake is disposed between the heat exchanger and the passenger compartment in the longitudinal direction of the vehicle.

4. A heat absorption and dissipation structure as described in claim 3, wherein the first air intake is positioned so that the flow direction of air passing through the first air intake is vertical, or so that air enters the first air intake from above.

5. The heat absorption and radiation structure according to claim 1 or 2, wherein the heat absorption and radiation module is installed forward of the axle of the front wheels of the vehicle.

6. The heat absorption and radiation structure according to claim 1 or 2, wherein the heat absorption and radiation module is installed above a cross member of the vehicle.

7. The heat absorption and dissipation structure according to claim 1 or 2, wherein the first air intake is disposed in the inner wheel cover of the front wheel of the vehicle or in the bottom of the vehicle.

8. The heat absorption and dissipation structure according to claim 1, wherein the heat absorption and dissipation module is disposed between the rear end of the vehicle and the passenger compartment of the vehicle.

9. The heat absorption and dissipation structure according to claim 1 or 8, wherein the first air intake port is disposed in the inner wheel cover of the rear wheel of the vehicle or in the bottom of the vehicle.

10. The heat absorption and radiation structure according to claim 1, wherein the heat medium is a heat medium that exchanges heat with a heat source of the vehicle.

11. The heat absorption and dissipation structure according to claim 1, wherein the heat absorption and dissipation module has at least two types of heat exchangers that exchange heat with air using different heat media, and the at least two types of heat exchangers include a heat exchanger used in the air conditioning system of the vehicle.

12. The heat absorption and dissipation structure according to claim 1, wherein the heat absorption and dissipation structure further includes a second air intake port that opens toward the interior of the vehicle, and the heat absorption and dissipation module further includes a second air passage having one end connected to the second air intake port and the other end connected to the first air passage.

13. The heat absorption and radiation structure according to claim 4, wherein the heat exchanger is arranged so that the largest plane of the heat exchanger faces the direction of air entering from above the vehicle.

14. A heat absorption and dissipation structure according to any one of claims 1 to 4, wherein the heat exchanger includes at least two heat exchangers that exchange heat with air using the same type of heat medium, the heat medium flows in series through the at least two heat exchangers, and the heat medium flows in from one of the at least two heat exchangers that is farther from the first air path and flows out from the heat exchanger that is closer to the first air path.

15. A heat absorption and radiation structure according to any one of claims 1 to 4, wherein the fan is a turbofan.

16. A heat absorption and dissipation structure according to any one of claims 1 to 4, wherein the heat absorption and dissipation module further comprises a heat exchanger casing attached to the outer periphery of the heat exchanger, and a fan casing located on the periphery of the fan.

17. A cooling circulation device comprising: a compressor that compresses and discharges a refrigerant; a radiator through which the refrigerant flows and releases heat from the refrigerant; and an evaporator through which the refrigerant flows and evaporates the refrigerant, wherein the radiator or the evaporator is the heat exchanger in a heat absorption and radiation structure described in any one of claims 1 to 4.

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