Charging cabinet and charging pile

Abstract

The utility model provides a charging cabinet and a charging pile, and relates to the technical field of charging equipment. The charging pile includes a charging cabinet, and the charging cabinet includes: a shell and a power conversion module located in the shell; an air duct is provided in the shell, and the air duct is provided with an air inlet located on the side of the shell and an air outlet located on the bottom of the shell, and the position of the air inlet is higher than the position of the air outlet; the power conversion module is arranged in the air duct, including a fan and a heat dissipation part, the fan is adapted to the air duct, and the heat dissipation part includes a plurality of heat sinks, and the heat sinks are arranged in the air duct. When the fan is running, the external air enters the shell from the air inlet on the side of the shell, passes through the air inlet end of the fan and the air outlet end of the fan, and passes through the heat sink, and is discharged from at least one air outlet at the bottom of the shell. The utility model can make it unnecessary to set an additional fan in the shell, and dust can easily leave the air duct along the air outlet, so as to ensure that the charging cabinet has a good dustproof effect during long-term use.

Description

Technical Field

[0001] The utility model relates to the technical field of charging equipment, in particular to a charging cabinet and a charging pile. Background Art

[0002] The charging pile includes components such as a charging cabinet and a charging gun. Among them, the power devices in the charging cabinet will generate a lot of heat when working, which needs to be dissipated. The generally used heat dissipation method is to set a cooling fan and air duct inside the charging cabinet, and use air cooling to take away the heat of the internal module. For charging piles used outdoors, dust prevention issues need to be considered additionally. Dust entering the charging cabinet will not immediately affect the electronic module, but if a large amount of dust accumulates on the electronic module, it will not only affect the heat dissipation efficiency of the electronic module, but may also cause the electronic module to malfunction.

[0003] Existing air-cooled charging cabinets solve the dust prevention problem by either increasing the volume of the charging cabinet and the charging pile and setting up multiple structures for dust prevention. Although this can achieve waterproof and dustproof effects, it will increase the volume of the charging pile and the charging cabinet, increase the cost and installation difficulty, and reduce the efficiency of the charging pile layout; or use higher-power fans, larger air ducts and dust-proof components with better dust-proof effects. Although this achieves dust-proof effects, it will also increase the volume of the heat dissipation components, thereby increasing the volume of the charging cabinet, or it is only suitable for large charging cabinets and has a small scope of application. Utility Model Content

[0004] In a first aspect, the utility model provides a charging cabinet, comprising: a shell and a power conversion module located in the shell; an air duct is provided in the shell, the air duct is provided with at least one air inlet, at least one air inlet is located on the side of the shell, the air duct is provided with at least one air outlet, at least one air outlet is located on the bottom surface of the shell, and the position of the air inlet is higher than that of the air outlet; the power conversion module is arranged in the air duct, comprising at least one fan and a heat dissipation part, the fan is adapted to the air duct, the heat dissipation part comprises a plurality of heat sinks, and the heat sinks are arranged in the air duct, wherein when the fan is running, external air enters the shell from the air inlet on the side of the shell, passes through the air inlet end of the fan and the air outlet end of the fan, and passes through the heat sink, and is discharged from at least one air outlet at the bottom of the shell.

[0005] In an optional embodiment, the air duct includes at least a first air duct section and a second air duct section, and the first air duct section is connected to at least one air inlet and is arranged upward.

[0006] In an optional embodiment, it also includes: at least one air duct wall, the air duct wall is located between the first air duct section and the second air duct section, at least one first ventilation hole is provided on the air duct wall, and the at least one first ventilation hole connects the first air duct section and the second air duct section.

[0007] In an optional embodiment, it also includes: at least one air duct wall, the air duct wall constitutes at least a part of the wall of the first air duct section, and at least one second ventilation hole is provided on the air duct wall; it also includes: an electrical module located in the front compartment of the charging cabinet, the electrical module is installed in the heat dissipation cavity of the front compartment, and the second ventilation hole connects the first air duct section and the heat dissipation cavity.

[0008] In an optional embodiment, the air duct is provided with two first air duct sections and two air inlets, the two air inlets are respectively located on both sides of the shell, and each first air duct section is connected to one air inlet.

[0009] In an optional embodiment, the air duct further includes at least one third air duct segment, and the third air duct segment connects the first air duct segment and the second air duct segment.

[0010] In an optional embodiment, the first air duct segment is arranged vertically upward, the second air duct segment is arranged vertically downward, the first air duct segment and the second air duct segment are arranged at intervals, and the power conversion module is arranged in the second air duct segment.

[0011] In an optional embodiment, a dustproof component is further included, which is at least partially disposed in the first air duct section. The position of the dustproof component is at least partially higher than the position of the air inlet connected to the first air duct and lower than the air inlet of the second air duct section; the dustproof component is disposed in a direction inclined to the flow direction of the air flowing through the first air duct section.

[0012] In an optional embodiment, the housing includes a first mounting portion, the dustproof assembly is disposed in the first air duct section through the first mounting portion, and the first mounting portion includes a limit switch, which fixes the dustproof assembly.

[0013] The charging cabinet provided by the utility model utilizes the fan of the power conversion module and the air duct of the shell to achieve the effect of heat dissipation of the power conversion module. No additional fan is required in the shell, which saves space in the shell, reduces the number of components and assembly workload. The position of the air inlet of the air duct is higher than the air outlet, and dust can easily leave the air duct along the air outlet, which can prevent dust from adhering to the heat sink, ensuring that the charging cabinet has a good dustproof effect during long-term use.

[0014] In a second aspect, the utility model provides a charging pile, comprising a charging cabinet as described in any one of the aforementioned embodiments.

[0015] The charging pile provided by the utility model includes the above-mentioned charging cabinet, and the fan of the power conversion module cooperates with the air duct of the shell to achieve the effect of heat dissipation of the power conversion module. No additional fan is required in the shell, which saves space in the shell, reduces the number of components and assembly workload. The position of the air inlet of the air duct is higher than the air outlet, and dust can easily leave the air duct along the air outlet, which can prevent dust from adhering to the heat sink, ensuring that the charging cabinet has a good dustproof effect during long-term use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 One of the three-dimensional schematic diagrams provided for the embodiment of the utility model;

[0018] Figure 2 The second stereoscopic schematic diagram provided for the embodiment of the utility model;

[0019] Figure 3 The third stereoscopic schematic diagram provided for the embodiment of the utility model;

[0020] Figure 4 One of the three-dimensional schematic diagrams of an embodiment of the utility model with a portion of the housing hidden;

[0021] Figure 5 One of the schematic diagrams of the air duct with a portion of the housing hidden provided in the embodiment of the utility model;

[0022] Figure 6 The second three-dimensional schematic diagram of the embodiment of the utility model with part of the housing hidden;

[0023] Figure 7 The second schematic diagram of the air duct with a portion of the housing hidden is provided in an embodiment of the utility model.

[0024] Icons: 100-housing; 110-first mounting part; 111-limit switch; 200-fan; 300-power conversion module; 310-heat dissipation part; 311-heat sink; 410-first air duct section; 420-second air duct section; 430-third air duct section; 440-air inlet; 450-air outlet; 460-air duct wall; 461-first ventilation hole; 462-second ventilation hole; 500-dustproof component; 600-heat dissipation cavity. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0026] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0027] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0028] In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0029] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0030] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0031] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0032] The utility model provides a charging cabinet, comprising: a shell 100 and a power conversion module 300 located in the shell 100; an air duct is arranged in the shell 100, the air duct is provided with at least one air inlet 440, at least one air inlet 440 is located on the side of the shell 100, the air duct is provided with at least one air outlet 450, at least one air outlet 450 is located on the bottom surface of the shell 100, and the position of the air inlet 440 is higher than the position of the air outlet 450; the power conversion module 300 is arranged in the air duct, comprising at least one fan 200 and a heat dissipation part 310, the fan 200 is adapted to the air duct, the heat dissipation part 310 includes a plurality of heat sinks 311, and the heat sinks 311 are arranged in the air duct, wherein when the fan 200 is running, external air enters the shell 100 from the air inlet 440 on the side of the shell 100, passes through the air inlet end of the fan 200 and the air outlet end of the fan 200, and passes through the heat sink 311, and is discharged from at least one air outlet 450 at the bottom of the shell 100.

[0033] The utility model utilizes the fan 200 of the power conversion module 300 to cooperate with the air duct of the housing 100 to achieve the effect of cooling the power conversion module 300. No additional fan 200 is required in the housing 100, which saves space in the housing 100, reduces the number of components and assembly workload. The position of the air duct inlet 440 is higher than the air outlet 450, which facilitates dust to leave the air duct along the air outlet 450, and can prevent dust from adhering to the heat sink 311, ensuring that the charging cabinet has a good dustproof effect during long-term use.

[0034] In some embodiments, the charging cabinet includes: a housing 100, at least one dustproof component 500, at least one fan 200 and a power conversion module 300 located in the housing 100; an air duct is provided in the housing 100, the air duct is provided with at least one air inlet 440, at least one air inlet 440 is located on the side of the housing 100, the air duct is provided with at least one air outlet 450, at least one air outlet 450 is located on the bottom surface of the housing 100, and the position of the air inlet 440 is higher than the position of the air outlet 450; the air duct includes at least a first air duct section 410 and a second air duct section 420, the first air duct The section 410 is connected to at least one air inlet 440 and is arranged upward, at least one dustproof component 500 is at least partially arranged in the first air duct section 410, the position of the dustproof component 500 is at least partially higher than the position of the air inlet 440 connected to the first air duct, and the second air duct section 420 is arranged downward; the power conversion module 300 is provided with a heat dissipation part 310, the heat dissipation part 310 includes a plurality of parallelly arranged heat sinks 311, the heat sink 311 is provided in at least one second air duct section 420, and the extension direction of the heat sink 311 is parallel to the flow direction of the air in the second air duct section 420 where the heat sink 311 is located.

[0035] The first air duct section 410 connected to the air inlet 440 is arranged upward. Even if a small amount of rainwater enters the first air duct section 410 from the air inlet 440, it is difficult for the rainwater to move upward along the first air duct section 410, thereby preventing the rainwater from entering the charging cabinet along the air duct when the air enters. The position of the dustproof component 500 is at least partially higher than the position of the air inlet 440 connected to the first air duct, thereby preventing the dustproof component 500 from being completely wetted by a small amount of rainwater entering the charging cabinet through the air inlet 440, thereby ensuring the dustproof effect. A small amount of extremely small microparticles can pass through the dustproof component 500, and the extension direction of the heat sink 311 is parallel to the flow direction of the air in the second air duct section 420 where the heat sink 311 is located, thereby preventing these microparticles from adhering to the heat sink 311. At the same time, the second air duct section 420 is arranged downward, thereby facilitating these microparticles to leave the cabinet from the air outlet 450 along the second air duct section 420, thereby preventing the microparticles from gathering inside the charging cabinet.

[0036] In some embodiments, Figure 5 and Figure 7 As shown, the first air duct section 410 is linear and arranged vertically upward.

[0037] In some embodiments, the first air duct segment 410 is arranged upward, and can be arranged in an arc, streamline, straight line or other shape.

[0038] The first air duct section 410 is arranged upward, but it is not limited to be vertically upward, and it can also be inclined upward, as long as it presents an upward trend. As long as the first air duct section 410 is arranged upward so that the air in the first air duct section 410 flows upward, it can prevent rainwater from entering the charging cabinet upward along the first air duct section 410. The specific direction of the first air duct section 410 can be flexibly set according to the shape of the housing 100, the internal structure of the charging cabinet, the arrangement of components, etc., and it only needs to present an upward trend.

[0039] Similarly, there is no limitation on the specific form and specific direction of the downward arrangement of the second air duct segment 420. Figure 5 and Figure 7 As shown, it can be straight and vertically downward, or it can be inclined, or take an arc, streamlined or other shape.

[0040] The power conversion module 300 dissipates heat through the heat dissipation unit 310 , which can isolate the electronic components that are easily affected or all the electronic components from the air duct, thereby preventing the micro dust particles in the air duct from affecting the performance of the electronic components.

[0041] In a charging pile, a small charging cabinet is generally not placed directly on the bottom surface, but supported by a structure such as a pillar or a bracket or hung on a wall. The air outlet 450 is located at the bottom of the housing 100, which does not affect the normal air outlet of the air outlet 450. The number of air outlets 450 can be set according to the air volume of the air duct and the number of second air duct sections 420. One second air duct section 420 is equipped with at least one air outlet 450.

[0042] The heat sink 311, also called heat sink teeth, heat sink combs, heat sink fins, etc., constitutes the heat sink 311 referred to herein as long as it has a length direction or an extension direction. The extension direction of the heat sink 311 is parallel to the flow direction of the air in the second air duct section 420 where the heat sink 311 is located. Even if microparticles enter the air duct and fall onto the heat sink 311, since the extension direction of the heat sink 311 is parallel to the flow direction of the air, it is difficult for the microparticles to adhere to the heat sink 311. Therefore, dust can be prevented from gathering on the heat sink 311, and the heat dissipation efficiency of the heat sink 311 can be ensured.

[0043] Furthermore, since the second air duct section 420 is disposed downward, the micro-particles are also affected by gravity, and the possibility of the micro-particles adhering to and gathering on the heat sink 311 is reduced under the influence of their own weight, thereby ensuring the heat dissipation efficiency of the heat sink 311.

[0044] In some embodiments, Figure 5 As shown, the air duct also includes a third air duct section 430, and the third air duct section 430 connects the first air duct section 410 and the second air duct section 420. The first air duct section 410 is arranged upward, the second air duct section 420 is arranged downward, and the third air duct section 430 is not limited in direction, and can be horizontal, downward or upward, or have multiple directions, for example, including multiple waves or broken lines.

[0045] In other embodiments, when multiple first air duct segments 410 and / or multiple second air duct segments 420 are provided, one third air duct segment 430 can be used to connect the multiple first air duct segments 410 and / or multiple second air duct segments 420, or multiple third air duct segments 430 can be provided to respectively connect the multiple first air duct segments 410 and / or multiple second air duct segments 420.

[0046] The third air duct section 430 serves to connect the first air duct section 410 and the second air duct section 420. Figure 5 and Figure 7As shown, a linear design is adopted to utilize the space in the housing 100 as much as possible to obtain a larger ventilation volume. An arc shape, a streamline shape, etc. may also be adopted to make the wind smoother when the upward flow direction of the first air duct section 410 is converted to the downward flow direction of the second air duct section 420. The third air duct section 430 may also be configured adaptively according to the shape of the housing 100. For example, when the top of the housing 100 is arc-shaped, the third air duct section 430 may also be configured to be arc-shaped, that is, the space is utilized as much as possible and the wind is more convenient to turn.

[0047] In some embodiments, Figure 7 As shown, the air duct is provided with two first air duct sections 410 and two air inlets 440, the two air inlets 440 are respectively located on both sides of the housing 100, and each first air duct section 410 is connected to an air inlet 440. The two first air duct sections 410 and the two air inlets 440 can increase the total air intake volume, thereby improving the heat dissipation capacity of the charging cabinet.

[0048] In some embodiments, Figures 1 to 6 As shown, the air duct is provided with a first air duct section 410 and an air inlet 440, and the air inlet 440 is located at one side of the housing 100. Providing only one first air duct section 410 and one air inlet 440 can make the air duct occupy a smaller volume.

[0049] The number of the first air duct sections 410 and the air inlets 440 can be designed according to the volume of the charging cabinet, the heating condition of the power conversion module 300 and other specific conditions, and has stronger adaptability and versatility.

[0050] In some embodiments, Figures 1 to 7 In the embodiments shown, the number of the second air duct segment 420 is one. In other embodiments, a plurality of second air duct segments 420 may be provided as required, at least one of which dissipates heat for the heat dissipation portion 310 of the power conversion module 300, and other second air duct segments 420 may dissipate heat for other components, or dissipate heat for other power conversion modules 300 when there are multiple power conversion modules 300.

[0051] At least one dustproof component 500 is provided in the first air duct section 410 to block dust particles entering the first air duct section 410 from the air inlet 440, and prevent larger dust particles from entering the charging cabinet through the air duct. The larger dust particles here refer to dust particles that cannot pass through the dustproof component 500, which is a concept corresponding to the micro particles that can pass through the dustproof component 500.

[0052] One or more dust prevention components 500 may be disposed in the first air duct section 410 as required.

[0053] The position of the dustproof assembly 500 is at least partially higher than the position of the air inlet 440 connected to the first air duct. This can prevent a small amount of rainwater entering the first air duct section 410 from the air inlet 440 from adhering to the dustproof assembly 500 and affecting the performance of the dustproof assembly 500. In some embodiments, the position of the dustproof assembly 500 is completely higher than the position of the air inlet 440 to avoid the possibility of rainwater adhering to the dustproof assembly 500 as much as possible.

[0054] In some embodiments, the dustproof assembly 500 is inclined to the direction of the air flow of the first air duct section 410 where the dustproof assembly 500 is located, such as Figure 5 The dustproof assembly 500 is arranged obliquely with respect to the air flow direction, which can increase the effective area of ​​the dustproof assembly 500 when intercepting dust particles, and improve the dustproof effect of the dustproof assembly 500. In some embodiments, the width of the dustproof assembly 500 is twice the width of the first air duct section 410.

[0055] In these embodiments, the position of the dustproof assembly 500 can also be selected to be partially higher than the position of the air inlet 440 and partially lower than the position of the air inlet 440, wherein the portion of the dustproof assembly 500 lower than the air inlet 440 is arranged away from the air inlet 440, so that this portion can be prevented from being affected by rainwater, and at the same time, the installation height of the entire dustproof assembly 500 can be reduced, so that the installation position of the dustproof assembly 500 can be more flexible, and the position setting of the air inlet 440 can also be more flexible. In these embodiments, the position of the dustproof assembly 500 can also be completely higher than the position of the air inlet 440 to minimize the possibility of rainwater adhering to the dustproof assembly 500.

[0056] In some embodiments, the housing 100 includes a first mounting portion 110, and the dustproof assembly 500 is disposed in the first air duct section 410 through the first mounting portion 110. The first mounting portion 110 includes a limit switch 111, and the limit switch 111 fixes the dustproof assembly 500. Figure 1 and Figure 4 As shown, Figure 4Part of the housing 100 is hidden. The first mounting portion 110 includes an opening provided in the housing 100 and a bracket provided in the first air duct section 410. The dustproof assembly 500 penetrates into the housing 100 through the opening of the housing 100 and is mounted on the bracket. The limit switch 111 fixes the dustproof assembly 500 in the housing 100 and on the bracket. The limit switch 111 can be in the form of a paddle, etc., so as to open the limit switch 111 and take out the dustproof assembly 500 from the housing 100. In these embodiments, the dustproof assembly 500 is only partially located in the first air duct section 410, and another part is located outside the first air duct section 410, such as at the opening of the housing 100, so as to take out the dustproof assembly 500. In other embodiments, the dustproof assembly 500 is completely located in the first air duct section 410, and the dustproof assembly 500 is taken out of the first air duct section 410 after the structural members constituting the first air duct section 410 are opened.

[0057] The dustproof component 500 includes at least a frame and a replaceable or washable filter material. Taking out the dustproof component 500 and cleaning or replacing it can improve the dustproof performance and avoid the degradation of the dustproof performance after long-term use. When the filter material is dustproof cotton, the dustproof cotton is preferably 35ppi (that is, the pore structure of the dustproof cotton is designed to have 35 pores per inch of length). If there are multiple first air duct sections 410, the dustproof cotton can be selected with a higher ppi to achieve a higher dustproof level.

[0058] In some embodiments, at least one air duct wall 460 is included, and the air duct wall 460 is located between the first air duct section 410 and the second air duct section 420. At least one first ventilation hole 461 is provided on the air duct wall 460, and at least one first ventilation hole 461 connects the first air duct section 410 and the second air duct section 420. The first ventilation hole 461 can allow the first air duct section 410 to directly take in air from the second air duct section 420, which can realize the function of independently connecting the first air duct section 410 and the second air duct section 420; it can also increase the air intake of the second air duct section 420 when the third air duct section 430 is provided, play the function of assisting the connection between the first air duct section 410 and the second air duct section 420, reduce the demand for the wind flux of the third air duct section 430, and make the design of the third air duct section 430 more flexible. The specific number and size of the first ventilation hole 461 can be set according to the needs. The position of the first ventilation hole 461 is preferably higher than the heat dissipation portion 310 and the heat sink 311.

[0059] In some embodiments, at least one duct wall 460 is included, the duct wall 460 constitutes at least a part of the wall of the first duct section 410, and at least one second vent 462 is provided on the duct wall 460; and an electrical module is also included in the housing 100, the electrical module is installed in the heat dissipation cavity 600 in the housing 100, and the second vent 462 connects the first duct section 410 and the heat dissipation cavity 600. The heat dissipation cavity 600 is connected to the first duct section 410, but does not constitute a complete and independent duct, so a small amount of wind will enter the heat dissipation cavity 600, which plays a role in assisting the heat dissipation of the electrical module. The heat generation and heat dissipation requirements of the electrical module are lower than those of the power conversion module 300. The electrical module is typically some control modules, such as a control module, a power distribution module, etc. For such modules, if there is no heat dissipation, overheating problems may also occur, affecting performance or safety; if an independent heat dissipation fan 200 or duct is set, the heat dissipation performance will overflow, and the components or volume related to the heat dissipation structure will be increased.

[0060] In some embodiments, the interior of the charging cabinet is divided into a front compartment and a rear compartment, which are separated by a partition, and the partition cooperates with the housing 100 to form the front compartment and the rear compartment respectively. The electrical module and the heat dissipation cavity 600 are located in the front compartment, and the power conversion module 300 is located in the rear compartment. The "front" and "rear" in the front compartment and the rear compartment are only used to distinguish the two compartments, and do not limit the specific orientation relationship between the front compartment and the rear compartment inside the charging cabinet. Even if the positions of the two are reversed or changed to left and right settings, they should also be within the protection scope of the present utility model.

[0061] The first ventilation hole 461 and the second ventilation hole 462 may be located on the same air duct wall 460. Figure 4 As shown, they may also be located on different structural parts according to the internal structure design of the charging cabinet. For example, when multiple air duct walls 460 form the wall of the first air duct section 410 , the first ventilation hole 461 and the second ventilation hole 462 are located on different air duct walls 460 .

[0062] In some embodiments, the air inlet 440 includes a plurality of mesh holes on the housing 100 and may further include a high-mesh steel mesh disposed adjacent to the mesh holes on the housing 100 to block large debris, such as catkins.

[0063] In some embodiments, an inclined drainage board is provided at the bottom of the first air duct section 410, and the outer shell 100 is provided with a drainage hole. Part of the rainwater entering the first air duct section 410 flows from the drainage board to the drainage hole and then flows out of the outer shell 100, thereby preventing a small amount of rainwater from accumulating inside the charging cabinet.

[0064] The utility model also discloses a charging pile, comprising the above-mentioned charging cabinet, which is arranged in an outdoor scene to solve the problem that the charging cabinet of the charging pile is easily affected by rain and dust.

[0065] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A charging cabinet, characterized in that: include: A housing (100) and a power conversion module (300) located in the housing (100); An air duct is provided in the housing (100), the air duct is provided with at least one air inlet (440), the at least one air inlet (440) is located on a side of the housing (100), the air duct is provided with at least one air outlet (450), the at least one air outlet (450) is located on the bottom surface of the housing (100), and the position of the air inlet (440) is higher than the position of the air outlet (450); The power conversion module (300) is arranged in the air duct, and comprises at least one fan (200) and a heat dissipation unit (310), wherein the fan (200) is adapted to the air duct, and the heat dissipation unit (310) comprises a plurality of heat dissipation fins (311), and the heat dissipation fins (311) are arranged in the air duct. When the fan (200) is running, external air enters the housing (100) from the air inlet (440) on the side of the housing (100), passes through the air inlet end of the fan (200) and the air outlet end of the fan (200), and passes through the heat sink (311), and is discharged from at least one air outlet (450) at the bottom of the housing (100).

2. The charging cabinet according to claim 1, characterized in that: The air duct comprises at least a first air duct section (410) and a second air duct section (420); the first air duct section (410) is connected to at least one air inlet (440) and is arranged upward.

3. The charging cabinet according to claim 2, characterized in that: Also includes: At least one air duct wall (460), the air duct wall (460) being located between the first air duct section (410) and the second air duct section (420), the air duct wall being provided with at least one first ventilation hole (461), the at least one first ventilation hole (461) connecting the first air duct section (410) and the second air duct section (420).

4. The charging cabinet according to claim 2, characterized in that: Also includes: at least one air duct wall (460), the air duct wall (460) constituting at least a portion of the wall of the first air duct section (410), and at least one second ventilation hole (462) being provided on the air duct wall; It also includes: an electrical module located in the front compartment of the charging cabinet, the electrical module is installed in the heat dissipation cavity (600) of the front compartment, and the second ventilation hole (462) connects the first air duct section (410) and the heat dissipation cavity (600).

5. The charging cabinet according to claim 2, characterized in that: The air duct is provided with two first air duct sections (410) and two air inlets (440), the two air inlets (440) are respectively located on two sides of the housing (100), and each of the first air duct sections (410) is connected to one of the air inlets (440).

6. The charging cabinet according to claim 2, characterized in that: The air duct further comprises at least one third air duct segment (430), wherein the third air duct segment (430) connects the first air duct segment (410) and the second air duct segment (420).

7. The charging cabinet according to claim 2, characterized in that: The first air duct section (410) is arranged vertically upward, the second air duct section (420) is arranged vertically downward, the first air duct section (410) and the second air duct section (420) are arranged at intervals, and the power conversion module (300) is arranged in the second air duct section (420).

8. The charging cabinet according to claim 2, characterized in that: It also includes a dustproof component (500), which is at least partially arranged in the first air duct section (410), and the position of the dustproof component (500) is at least partially higher than the position of the air inlet (440) connected to the first air duct and lower than the air inlet of the second air duct section (420); the dustproof component (500) is arranged in a direction inclined to the flow direction of the air flowing through the first air duct section (410).

9. The charging cabinet according to claim 8, characterized in that: The housing (100) comprises a first mounting portion (110), the dustproof component (500) is arranged in the first air duct section (410) via the first mounting portion (110), the first mounting portion (110) comprises a limit switch (111), and the limit switch (111) fixes the dustproof component (500).

10. A charging pile, characterized in that: Comprising a charging cabinet as described in any one of claims 1-9.

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