Battery replacing room and battery replacing station

Abstract

The utility model relates to the technical field of battery swap station cooling, in particular to a battery swap chamber and a battery swap station, which comprise a compartment body, a charging device and a water cooling unit are arranged in the compartment body, a ventilator and an air exhaust device are arranged on the compartment body in a penetrating manner, and an air outlet of a cooling fan of the charging device and / or the water cooling unit is connected to an inlet of the air exhaust device. Internal and external airflow circulation is formed in the compartment body through cooperation of the ventilator and the air exhaust device, low-temperature air outside the compartment body is conveyed into the compartment body through the ventilator, hot air exhausted by the charging device and / or the water cooling unit is conveyed to the outside of the compartment body through the air exhaust device, and through air circulation conversion, the low-temperature air is charged into the compartment body. The air flow is guided to flow through the charging device and / or the condenser and the radiator of the corresponding device of the water cooling unit so as to take away heat, hot air backflow does not exist in the cooling fan, hot air is completely exhausted out of the compartment body through the exhaust device, and stable work of electric devices in the battery replacing station is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of cooling of battery swap stations, in particular to a battery swap room and a battery swap station. Background Art

[0002] A battery swap station is an energy station that provides charging and rapid battery replacement for electric vehicles. To meet customers' needs for rapid battery replacement, there are many chargers and battery packs inside the station, and they are usually equipped with water cooling units for heat dissipation to meet the needs of fast charging.

[0003] When existing battery swap stations dissipate heat from water-cooled units, the condensers of the water-cooled units usually use heat dissipation cooling fans to diffuse heat. Due to the hot air backflow of the heat dissipation cooling fans, the air temperature at the condenser inlet inside the battery swap station will be high, which will lead to reduced working efficiency of the water-cooled units, prolonged battery pack charging time, and affected customer experience. Moreover, the temperature inside the battery swap station is high, which is not conducive to the stable operation of the internal control electrical components. Utility Model Content

[0004] The utility model provides a power exchange room and a power exchange station, which are used to solve the defect in the prior art that when the water cooling unit is dissipating heat in the power exchange station, the working efficiency of the water cooling unit is reduced due to the hot air backflow of the heat dissipation cooling fan.

[0005] The utility model provides a battery exchange room, including a compartment, wherein a charging device and a water-cooling unit are arranged inside the compartment, a ventilator and an exhaust device are passed through the compartment, and the cooling fan outlet of the charging device and / or the water-cooling unit is connected to the inlet of the exhaust device, the ventilator is used to transport the low-temperature air outside the compartment to the inside of the compartment, and the exhaust device is used to transport the hot air discharged from the charging device and / or the water-cooling unit to the outside of the compartment.

[0006] According to a battery exchange room provided by the utility model, the exhaust device includes a hot air collecting duct and an exhaust grille, the cooling fan outlet of the charging device and / or the water-cooling unit is connected to the inlet of the hot air collecting duct, the outlet of the hot air collecting duct is connected to the exhaust grille, and the exhaust grille is passed through and fixed to the compartment.

[0007] According to a battery exchange room provided by the utility model, the hot air collection duct includes a tube body with both ends blocked, a first air inlet is opened on one side of the tube body, and the cooling fan outlet of the charging device and / or the water cooling unit is connected to the first air inlet; a first air outlet is opened on the other side of the tube body at a position opposite to the first air inlet, and the first air outlet is connected to the exhaust grille.

[0008] According to a power exchange room provided by the utility model, the exhaust grille includes a grille opening opened on the compartment body and a plurality of grille bars arranged in the grille opening, the plurality of grille bars are distributed in parallel and spaced apart, and each of the grille bars is arranged in the grille opening inclined toward the lower part of the grille opening.

[0009] According to a battery exchange room provided by the utility model, the grille bar includes an inclined plate, a first longitudinal waterproof member and a second longitudinal waterproof member, wherein the inclined plate is located in the grille opening; the first longitudinal waterproof member is connected to the first end of the inclined plate and fixed to the inner end of the grille opening; the second longitudinal waterproof member is connected to the second end of the inclined plate and fixed to the outer end of the grille opening; the first longitudinal waterproof member on the grille bar and the second longitudinal waterproof member on the adjacent grille bar have overlapping projections in the horizontal direction.

[0010] According to a battery exchange room provided by the utility model, a battery pack and an electric control cabinet heat dissipation module are also provided in the compartment, and the ventilator and the exhaust device are respectively arranged on two adjacent or opposite side walls of the compartment, and the ventilator and the exhaust device cooperate to perform air circulation inside and outside the compartment to discharge the heat emitted by the charging device, the battery pack, the electric control cabinet heat dissipation module and the water cooling unit out of the compartment.

[0011] According to a battery exchange room provided by the utility model, the charging device, the battery pack and the water cooling unit are arranged at the bottom of the compartment, and the heat dissipation module of the electric control cabinet is arranged at the top of the compartment; the ventilator is arranged on one side wall of the compartment, and at least two groups are arranged, one group of the ventilators is kept level with the heat dissipation module of the electric control cabinet, and the other group of the ventilators is kept level with the water cooling unit; the exhaust device is arranged at the bottom of the side wall of the compartment adjacent to the ventilator.

[0012] According to a power exchange room provided by the present invention, a waterproof structure is provided at one end of the ventilator located outside the compartment, and the waterproof structure is used to provide waterproof protection for the ventilator.

[0013] According to a battery exchange room provided by the utility model, the waterproof structure includes a hollow shell, a second air inlet is provided at the bottom of the hollow shell, and a second air outlet is provided on the first side wall of the hollow shell to form an air passage connecting the second air inlet and the second air outlet inside the hollow shell, and the first side wall of the hollow shell is connected to the side wall of the compartment through a fixed flange to connect the second air outlet with the ventilator.

[0014] The utility model also provides a battery swap station, comprising any one of the battery swap rooms described above.

[0015] The battery swap room and station provided by the present invention form an internal and external airflow circulation within the compartment through the cooperation of a ventilator and an exhaust device. The ventilator transports the low-temperature air outside the compartment to the inside of the compartment, and the exhaust device transports the hot air inside the compartment to the outside of the compartment. Through air circulation conversion, the airflow is guided to flow through the condenser and radiator of the corresponding components of the charging device and / or water-cooling unit, thereby removing heat. The cooling fan outlet of the charging device and / or water-cooling unit is connected to the inlet of the exhaust device, so that there is no hot air backflow from the cooling fan. The low-temperature air is converted into hot air after heat exchange through the condenser and radiator, and is finally discharged from the compartment by the exhaust device, ensuring the stable operation of the electrical components inside the battery swap room. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0017] Figure 1 It is a schematic diagram of the external structure of the battery exchange room provided by the utility model.

[0018] Figure 2 It is a schematic diagram of the internal structure of the battery exchange room provided by the utility model.

[0019] Figure 3 This is one of the structural schematic diagrams of the hot air collecting duct provided by the utility model.

[0020] Figure 4 This is the second structural diagram of the hot air collecting duct provided by the utility model.

[0021] Figure 5 It is a schematic diagram of the external structure of the exhaust grille provided by the utility model.

[0022] Figure 6 yes Figure 5 AA cross-section diagram.

[0023] Figure 7 It is a structural schematic diagram of the grille bars provided by the utility model.

[0024] Figure 8 It is a structural schematic diagram of the waterproof structure provided by the utility model.

[0025] Figure markings: 1. Box body; 2. Charging device; 3. Heat dissipation module of electric control cabinet; 4. Water cooling unit; 5. Fan; 6. Exhaust device; 61. Hot air collection duct; 611. Tube body; 612. First air inlet; 613. First air outlet; 62. Exhaust grille; 621. Grille opening; 622. Grille bar; 6221. Inclined plate; 6222. First longitudinal waterproof part; 6223. Second longitudinal waterproof part; 7. Waterproof structure; 71. Hollow shell; 72. Second air inlet; 73. Second air outlet; 8. Battery replacement port. DETAILED DESCRIPTION

[0026] To make the purpose, technical solutions, and advantages of the present invention more clear, the following will be combined with the accompanying drawings to clearly and completely describe the technical solutions of the present invention. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0027] In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be understood as limiting the embodiments of the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance.

[0028] In the description of the embodiments of the present invention, it should be noted that, unless otherwise specified or limited, the terms "connected" and "connection" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, or indirect connections through an intermediary. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0029] In the embodiments of the present invention, unless otherwise expressly specified or limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or that the first and second features are in indirect contact through an intermediate medium. Furthermore, a first feature being "above," "above," or "above" a second feature may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below," "below," or "below" a second feature may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is lower in level than the second feature.

[0030] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the embodiment of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction.

[0031] The following combination Figures 1 to 8 The specific structure of the battery swap room and battery swap station of the present invention is described.

[0032] One embodiment of the present invention provides a battery exchange room, combined with Figure 1 and Figure 2 As shown, the battery exchange room includes a compartment 1, a charging device 2 and a water cooling unit 4 are arranged inside the compartment 1, a ventilator 5 and an exhaust device 6 are passed through the compartment 1, and the cooling fan outlet of the charging device 2 and / or the water cooling unit 4 is connected to the inlet of the exhaust device 6. The ventilator 5 is used to transport the low-temperature air outside the compartment 1 to the inside of the compartment 1, and the exhaust device 6 is used to transport the hot air discharged from the charging device 2 and / or the water cooling unit 4 to the outside of the compartment 1.

[0033] It is understood that the battery exchange room of the present invention forms an internal and external airflow cycle within the compartment 1 through the cooperation of the ventilator 5 and the exhaust device 6. The ventilator 5 transports the low-temperature air outside the compartment 1 to the interior of the compartment 1, and the exhaust device 6 transports the hot air inside the compartment 1 to the outside of the compartment 1. Through air circulation conversion, the air flow is guided to flow through the condenser and radiator of the corresponding components of the charging device 2 and / or the water cooling unit 4, thereby removing heat. The cooling fan outlet of the charging device 2 and / or the water cooling unit 4 is connected to the inlet of the exhaust device 6. Taking the water cooling unit 4 as an example, the ventilator 5 transports the low-temperature air outside the compartment 1 to the interior of the compartment 1. When the cooling fan of the water cooling unit 4 is working, the low-temperature air entering the interior of the compartment 1 will enter the interior of the water cooling unit 4. Under the guidance of the cooling fan, the low-temperature air passes through the condenser inside the water cooling unit 4, removing the heat emitted by the condenser, and then enters the exhaust device 6 through the cooling fan outlet and is discharged outside the compartment 1. Since the cooling fan outlet of the water-cooled unit 4 is directly connected to the inlet of the exhaust device 6, the hot air formed by the condenser enters the exhaust device 6 under the action of the cooling fan, and will not flow back into the interior of the compartment 1 to cause hot air reflux. The hot air is effectively discharged, the internal temperature of the compartment 1 is reduced, and the stable operation of the electrical components inside the battery exchange room is ensured.

[0034] In the above embodiment, the cooling fan outlet of the charging device 2 and / or the water-cooling unit 4 is connected to the inlet of the exhaust device 6 to solve the defect of hot air backflow of the cooling fan of the traditional charging device and the water-cooling unit. It should be understood that in some embodiments of the present invention, the cooling fan outlet of the charging device 2 and / or the water-cooling unit 4 can also be arranged opposite to the inlet of the exhaust device 6, and an exhaust fan can be installed in the exhaust device 6. Through the exhaust fan installed in the exhaust device 6, a certain flow direction can be formed for the return airflow of the cooling fan of the charging device and the water-cooling unit, and then discharged from the exhaust device 6, which can weaken the hot air backflow phenomenon of the cooling fan of the traditional charging device and the water-cooling unit to a certain extent.

[0035] In some embodiments of the battery exchange chamber of the present invention, see Figure 2 As shown, the exhaust device 6 includes a hot air collecting duct 61 and an exhaust grille 62. The cooling fan outlet of the charging device 2 and / or the water cooling unit 4 is connected to the inlet of the hot air collecting duct 61. The outlet of the hot air collecting duct 61 is connected to the exhaust grille 62. The exhaust grille 62 is passed through and fixed to the compartment 1.

[0036] Connect the cooling fan outlets of the charging device 2 and water-cooling unit 4 to the inlet of a hot air collection duct 61 (two hot air collection ducts 61 are provided, one for the charging device 2 and one for the water-cooling unit 4). These ducts collect the hot air passing through the charging device 2 and water-cooling unit 4 while also preventing the backflow of hot air from the cooling fans. The hot air collected by the ducts 61 is then discharged from the compartment 1 through the exhaust grille 62 at the duct outlet.

[0037] In some specific examples, combined with Figure 3 and Figure 4 As shown, the hot air collection duct 61 includes a tube body 611 with both ends blocked. A first air inlet 612 is provided on one side of the tube body 611. The cooling fan outlets of the charging device 2 and the water cooling unit 4 are connected to the first air inlet 612. A first air outlet 613 is provided on the other side of the tube body 611 at a position opposite to the first air inlet 612. The first air outlet 613 is connected to the exhaust grille 62. Figure 3 As shown, the first air inlet 612 can be a circular inlet to facilitate connection with the cooling fan outlet of the charging device 2 and the water cooling unit 4. The first air inlet 612 can be provided in multiple groups, corresponding to the cooling fan outlets of multiple charging devices 2 and the water cooling unit 4. Figure 4 As shown, the first air outlet 613 may be a rectangular outlet, which is arranged opposite to the exhaust grille 62 to form a connected assembly structure for exhausting hot air.

[0038] In some embodiments of the battery exchange chamber of the present invention, combined with Figure 5 and Figure 6 As shown, the exhaust grille 62 includes a grille opening 621 opened on the body 1 and a plurality of grille bars 622 arranged in the grille opening 621. The plurality of grille bars 622 are distributed in parallel and spaced apart, and each grille bar 622 is arranged in the grille opening 621 at an angle toward the lower part of the grille opening 621.

[0039] It will be appreciated that the multiple grille bars 622 are spaced apart in parallel, forming flow channels between adjacent grille bars 622 to facilitate the exhaust of hot air. In this embodiment, all grille bars 622 are arranged at a downward angle, with the outer ends of the grille opening 621 being lower than the inner ends, forming downward-sloping flow channels. This structure facilitates waterproofing, preventing water from entering the compartment 1 through the flow channels and damaging components.

[0040] In particular, in some examples, see Figure 7As shown, the grille bar 622 includes an inclined plate member 6221, a first longitudinal waterproof member 6222 and a second longitudinal waterproof member 6223, wherein the inclined plate member 6221 is located in the grille opening 621; the first longitudinal waterproof member 6222 is connected to the first end of the inclined plate member 6221 and is fixed to the inner end of the grille opening 621; the second longitudinal waterproof member 6223 is connected to the second end of the inclined plate member 6221 and is fixed to the outer end of the grille opening 621; the first longitudinal waterproof member 6222 on the grille bar 622 and the second longitudinal waterproof member 6223 on the adjacent grille bar 622 have overlapping projections in the horizontal direction.

[0041] Combine Figure 6 and Figure 7 As shown, it can be understood that the structure of the grille bars 622 in this example can further play a waterproof role. When water from the outside of the car body 1 splashes onto the car body 1, first, the downward inclined flow channel between the two adjacent grille bars 622 can allow the water entering the flow channel to flow out to the outside of the car body 1 under the action of gravity. Secondly, since the first longitudinal waterproof member 6222 and the second longitudinal waterproof member 6223 are respectively provided at both ends of the inclined plate member 6221, the first longitudinal waterproof member 6222 and the second longitudinal waterproof member 6223 have overlapping projections in the horizontal direction, and the flow channel between the two adjacent grille bars 622 will not be straight in the horizontal direction. When water splashed from the outside of the car body 1 enters the flow channel, the first longitudinal waterproof member 6222 and the second longitudinal waterproof member 6223 can play the role of two layers of blocking, further enhancing the waterproof effect of the grille bars 622.

[0042] A battery pack and an electric control cabinet heat dissipation module 3 are also provided in the compartment 1, and a ventilator 5 and an exhaust device 6 are respectively provided on two adjacent or opposite side walls of the compartment 1. The ventilator 5 and the exhaust device 6 cooperate to circulate air flow inside and outside the compartment 1 to discharge the heat emitted by the charging device 2, the battery pack, the electric control cabinet heat dissipation module 3 and the water cooling unit 4 out of the compartment 1. In some embodiments of the battery exchange room of the present invention, the charging device 2, the battery pack and the water cooling unit 4 are arranged at the bottom of the compartment 1, and the electric control cabinet heat dissipation module 3 is arranged at the top of the compartment 1; the ventilator 5 is arranged on the side wall of the compartment 1, and at least two groups are provided, one group of ventilators 5 is kept level with the electric control cabinet heat dissipation module 3, and the other group of ventilators 5 is kept level with the water cooling unit 4; the exhaust device 6 is provided on the bottom side of the compartment 1.

[0043] Continue to see Figure 2 As shown, Figure 2Two ventilators 5 and two sets of exhaust devices 6 are illustrated (the exhaust grille 62 of the exhaust device 6 on the right is not illustrated so as to illustrate the relative position relationship between the charging device 2 and the hot air collection duct 61). It can be understood that the compartment 1 is mainly provided with a charging device 2, a battery pack, and an electric control cabinet heat dissipation module 3 and a water cooling unit 4 for heat dissipation. This embodiment provides an example of a specific structural design of the interior of the battery swap compartment, wherein the charging device 2, the battery pack and the water cooling unit 4 are arranged at the bottom of the compartment 1, and the electric control cabinet heat dissipation module 3 is arranged at the top of the compartment 1. In this embodiment, two sets of ventilators 5 are arranged on one side of the compartment 1. The ventilators 5 located on the upper side of the compartment 1 are mainly used for air flow heat dissipation of the electric control cabinet heat dissipation module 3, and the ventilators 5 located on the lower side of the compartment 1 are mainly used for air flow heat dissipation of the charging device 2, the battery pack and the water cooling unit 4. The hot air flow in the compartment 1 is introduced into the exhaust device 6 through the cooling fan and the ventilator 5, wherein the upper ventilator 5 introduces the external low-temperature air into the compartment 1, and dissipates the heat generated on the surface of the heat dissipation module 3 of the electric control cabinet into the air inside the compartment 1; the lower ventilator 5 introduces the external low-temperature air into the compartment 1, and transmits the hot air in the compartment 1, the heat generated on the surface of the battery pack, and the heat generated inside the charging device 2 and the water-cooling unit 4 through the cooling fan outlet of the charging device 2 and the water-cooling unit 4 to the hot air collection duct 61 for collection, and then is discharged to the outside of the battery exchange room through the exhaust grille 62.

[0044] In some embodiments of the battery exchange chamber of the present invention, see again Figure 1 As shown, a waterproof structure 7 is provided at one end of the ventilator 5 located outside the compartment 1, and the waterproof structure 7 is used to provide waterproof protection for the ventilator 5. Specifically, in some specific examples, see Figure 8 As shown, the waterproof structure 7 includes a hollow shell 71, a second air inlet 72 is provided at the bottom of the hollow shell 71, and a second air outlet 73 is provided on the first side wall of the hollow shell 71 to form an air passage connecting the second air inlet 72 and the second air outlet 73 inside the hollow shell 71, and the first side wall of the hollow shell 71 is connected to the side wall of the compartment 1 through a fixed flange to connect the second air outlet 73 with the ventilator 5.

[0045] It can be understood that based on the structure of the waterproof structure 7 in this example, the waterproof structure 7 is connected to the side wall of the compartment 1 through a fixed flange. After the ventilator 5 is started, the external low-temperature air enters from the second air inlet 72 at the bottom of the waterproof structure 7, flows through the wind passage inside the waterproof structure 7, and enters the ventilator 5 from the second air outlet 73 on the side of the waterproof structure 7. The waterproof structure 7 forms a protective cover structure at the outer end of the ventilator 5. Due to the bottom air intake, the ventilator 5 can be effectively waterproofed to prevent water outside the compartment 1 from entering the compartment 1 and causing damage to components.

[0046] On the basis of the above-mentioned embodiments or examples, in other embodiments of the battery exchange chamber of the present invention, see again Figure 2 As shown, a battery replacement port 8 is also provided on the compartment 1, which connects the interior of the compartment 1 with the exterior. It can be understood that the battery replacement port 8 of the battery replacement room is mainly used as a working channel for charging and replacing the battery by the charging device 2. Since the battery replacement port 8 connects the interior of the compartment 1 with the exterior, low-temperature air can be added to the interior of the compartment 1 through the battery replacement port 8, and finally the high-temperature air is discharged by the exhaust device 6, thereby realizing heat exchange between the air inside and outside the compartment 1.

[0047] On the other hand, the present invention also provides a battery swap station. In some embodiments, the battery swap station includes the battery swap room in any one of the above embodiments or examples. It can be understood that since the battery swap station of this embodiment includes the battery swap room provided by the present invention, the battery swap station provided by this embodiment has all the functions of the battery swap room in the above embodiments or examples. The battery swap station provided by this embodiment is provided with a ventilator 5 with a waterproof structure 7 to transport low-temperature air to the interior of the battery swap station, to ensure the heat dissipation of the electric control cabinet heat dissipation module 3, to ensure the stable operation of the charging device 2, the water cooling unit 4 and the battery pack; a hot air collection duct 61 is provided to collect the hot air of the water cooling unit 4 to prevent the high temperature inside the battery swap station caused by the backflow of hot air; a waterproof exhaust grille 62 is provided to discharge the hot air inside the battery swap station to the outside of the battery swap station, while also effectively waterproofing and avoiding risks such as short circuits caused by water ingress.

[0048] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A battery exchange room, comprising a compartment (1), wherein a charging device (2) and a water cooling unit (4) are arranged inside the compartment (1), characterized in that: The compartment (1) is provided with a ventilator (5) and an exhaust device (6); the cooling fan outlet of the charging device (2) and / or the water cooling unit (4) is connected to the inlet of the exhaust device (6); the ventilator (5) is used to transport the low-temperature air outside the compartment (1) to the inside of the compartment (1); and the exhaust device (6) is used to transport the hot air discharged by the charging device (2) and / or the water cooling unit (4) to the outside of the compartment (1).

2. The battery exchange room according to claim 1, characterized in that: The exhaust device (6) includes a hot air collecting duct (61) and an exhaust grille (62); the cooling fan outlet of the charging device (2) and / or the water cooling unit (4) is connected to the inlet of the hot air collecting duct (61); the outlet of the hot air collecting duct (61) is connected to the exhaust grille (62); and the exhaust grille (62) is fixed to the compartment (1).

3. The battery exchange room according to claim 2, characterized in that: The hot air collecting duct (61) comprises a tube body (611) with both ends blocked, a first air inlet (612) being provided on one side of the tube body (611), and an air outlet of a cooling fan of the charging device (2) and / or the water cooling unit (4) being connected to the first air inlet (612); a first air outlet (613) being provided on the other side of the tube body (611) at a position opposite to the first air inlet (612), and the first air outlet (613) being connected to the exhaust grille (62).

4. The battery exchange room according to claim 2, characterized in that: The exhaust grille (62) comprises a grille opening (621) opened on the compartment (1) and a plurality of grille bars (622) arranged in the grille opening (621), wherein the plurality of grille bars (622) are arranged in parallel and spaced apart, and each grille bar (622) is arranged in an inclined manner toward the lower portion of the grille opening (621) in the grille opening (621).

5. The battery exchange room according to claim 4, characterized in that: The grille bar (622) includes: An inclined plate (6221) is located in the grille opening (621); A first longitudinal waterproof member (6222) connected to the first end of the inclined plate member (6221) and fixed to the inner end of the grille opening (621); A second longitudinal waterproof member (6223) connected to the second end of the inclined plate member (6221) and fixed to the outer end of the grille opening (621); The first longitudinal waterproof member (6222) on the grille bar (622) and the second longitudinal waterproof member (6223) on the adjacent grille bar (622) have overlapping projections in the horizontal direction.

6. The battery exchange room according to any one of claims 1 to 5, characterized in that: A battery pack and an electric control cabinet heat dissipation module (3) are further provided in the compartment (1), and the ventilator (5) and the exhaust device (6) are respectively provided on two adjacent or opposite side walls of the compartment (1). The ventilator (5) and the exhaust device (6) cooperate to circulate air flow inside and outside the compartment (1) to discharge heat emitted by the charging device (2), the battery pack, the electric control cabinet heat dissipation module (3) and the water cooling unit (4) out of the compartment (1).

7. The battery exchange room according to claim 6, characterized in that: The charging device (2), the battery pack and the water cooling unit (4) are arranged at the bottom of the compartment (1), and the electric control cabinet heat dissipation module (3) is arranged at the top of the compartment (1); the ventilator (5) is arranged on a side wall of the compartment (1), and at least two groups are provided, wherein one group of the ventilators (5) is kept flush with the electric control cabinet heat dissipation module (3), and the other group of the ventilators (5) is kept flush with the water cooling unit (4); the exhaust device (6) is arranged at the bottom of the side wall of the compartment (1) adjacent to the ventilator (5).

8. The battery exchange room according to claim 6, characterized in that: A waterproof structure (7) is provided at one end of the ventilator (5) located outside the compartment (1), and the waterproof structure (7) is used to provide waterproof protection for the ventilator (5).

9. The battery exchange room according to claim 8, characterized in that: The waterproof structure (7) comprises a hollow shell (71), a second air inlet (72) is provided at the bottom of the hollow shell (71), and a second air outlet (73) is provided on the first side wall of the hollow shell (71) to form an air passage connecting the second air inlet (72) and the second air outlet (73) inside the hollow shell (71), and the first side wall of the hollow shell (71) is connected to the side wall of the compartment (1) through a fixed flange to enable the second air outlet (73) to be connected to the ventilator (5).

10. A battery swap station, characterized in that: A battery exchange room comprising the battery exchange room described in any one of claims 1 to 9.

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