Charging pile with drip function

Abstract

The utility model relates to charging pile technical field, concretely relates to a charging pile with draining function. The charging pile includes charging pile box and draining assembly, and draining assembly includes the liquid collection board of embedding in the bottom of charging pile box, is connected with the draining box body of liquid collection board and is provided with dustproof filter piece in draining box body. The water inlet is opened to liquid collection board, and the water inlet is connected with draining box body, and the bottom of draining box body is provided with the water outlet. Through embedding liquid collection board in the bottom of charging pile box and forming integrated structure, it ensures that water flow is concentrated and is introduced into draining box body, and further realizes directional flow guiding through the communication of water inlet and water outlet, dustproof filter piece is arranged in draining box body, can filter air and increase air resistance in the process of drainage, realizes rapid drainage while blocking dust reverse invasion, thereby solve the technical problem that the existing drainage solution is easy to cause dust to enter the inside of charging pile along the drainage hole.

Description

Technical Field

[0001] This utility model relates to the field of charging pile technology, specifically to a charging pile with a water-draining function. Background Technology

[0002] Most mainstream high-power DC charging piles currently use air-cooled heat dissipation systems, introducing cooling air through air inlets to cool the internal electrical components. Due to the high heat dissipation requirements under high-power operation, the air inlet air velocity is relatively high, making it very easy to draw in water droplets in rainy or foggy weather conditions. This moisture will accumulate at the bottom of the charging pile, and condensation on the inner surface of the casing will also form water flow.

[0003] The traditional solution is to open a drainage hole at the bottom of the box. However, the drainage hole is directly connected to the external environment and lacks a dustproof structure, which makes it easy for dust, especially sand and dust in areas with strong winds and sand, to enter the charging pile through the drainage hole. Utility Model Content

[0004] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a charging pile with a water-draining function, which solves the technical problem that existing drainage solutions easily cause dust to enter the charging pile through the drainage holes.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] This utility model provides a charging pile with a water-draining function, including a charging pile housing and a water-draining component. The water-draining component includes a liquid collection plate embedded in the bottom of the charging pile housing, a water-draining box connected to the liquid collection plate, and a dustproof filter disposed in the water-draining box. The liquid collection plate has a water inlet that communicates with the water-draining box, and the bottom of the water-draining box has a water outlet.

[0007] In one possible implementation, the liquid collection plate is recessed in the middle to form a drainage area, and the water inlet is located at the bottom of the drainage area.

[0008] In one possible implementation, the water inlet is positioned at the orthographic projection of the bottom of the drain box, and the water outlet is positioned close to both ends of the drain box.

[0009] In one possible implementation, the dust filter element is completely filled in the drain box.

[0010] In one possible implementation, the charging pile housing has an air inlet, and the projected area of ​​the drain box is larger than the area of ​​the air inlet.

[0011] In one possible implementation, there are multiple drainage components, which are disposed in different areas at the bottom of the charging pile housing.

[0012] In one possible implementation, the bottom portion of the drain box is recessed to form a flow guiding area, and the water outlet is located at the bottom of the flow guiding area.

[0013] In one possible implementation, the drain assembly further includes an ion exchange device filled with ion exchange resin, the ion exchange device being disposed between the dust filter and the drain box, or the ion exchange device being integrated into the dust filter.

[0014] In one possible implementation, the diameter of the inlet is larger than the diameter of the outlet.

[0015] In one possible implementation, the liquid collection plate and the drain box are made of stainless steel, or the surfaces of the liquid collection plate and the drain box are provided with a protective coating.

[0016] The beneficial effects of this utility model are as follows: Compared with the prior art, this utility model forms an integrated structure by embedding a liquid collection plate at the bottom of the charging pile box, ensuring that the water flow is concentrated and introduced into the drain box; the water inlet is located on the liquid collection plate and communicates with the drain box to realize the directional introduction of water flow; the drain box serves as an independent drainage channel, and the directional flow is achieved through the connection of the water inlet and the water outlet; the dust filter is set in the drain box, covering the drainage path, and filters the air during the drainage process. The dust filter increases the airflow resistance, and while achieving rapid drainage, it blocks the reverse intrusion of dust, thereby solving the technical problem that existing drainage solutions easily lead to dust entering the charging pile through the drainage holes. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of a charging pile with a water-draining function provided by the present invention.

[0018] Figure 2 This is a structural schematic diagram of a charging pile with a water-draining function provided by this utility model from another perspective.

[0019] Figure 3 This is an exploded structural diagram of a drainage component provided by this utility model.

[0020] Attached image labels:

[0021] 1. Charging pile housing; 11. Air inlet; 2. Drainage assembly; 21. Liquid collection plate; 211. Water inlet; 212. Drainage area; 22. Drainage box; 221. Water outlet; 23. Dustproof filter. Detailed Implementation

[0022] To solve the above-mentioned technical problems, this utility model provides a charging pile with a water-draining function. The technical solution and embodiments of this utility model will now be described in detail with reference to the accompanying drawings.

[0023] In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0024] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation", "connection" and "joining" should be interpreted broadly, for example, they can refer to fixed connection, detachable connection, or integral connection; for those skilled in the art, the specific meaning of the above terms in this application can be understood according to the specific circumstances.

[0025] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0026] like Figures 1 to 3 As shown, this utility model provides a charging pile with a water-draining function, including a charging pile housing 1 and a water-draining component 2. The water-draining component 2 includes a liquid collection plate 21 embedded in the bottom of the charging pile housing 1, a water-draining box 22 connected to the liquid collection plate 21, and a dustproof filter 23 disposed in the water-draining box 22. The liquid collection plate 21 has a water inlet 211, which communicates with the water-draining box 22. The bottom of the water-draining box 22 has a water outlet 221.

[0027] The liquid collection plate 21 is embedded and integrated with the bottom of the box, ensuring that water flow is concentrated and directed into the drain box 22. The inlet 211 is located on the liquid collection plate 21 and connects to the drain box 22, enabling directional water flow. The drain box 22 serves as an independent drainage channel, with directional flow achieved through the connection between the inlet 211 and the outlet 221. A dust filter 23 is installed inside the drain box 22, covering the drainage path and filtering the air during drainage.

[0028] During operation, water droplets or condensation at the bottom of the charging station housing 1 are first collected by the liquid collection plate 21. The water flows into the drain box 22 through the inlet 211 and flows downward under gravity. When flowing through the dust filter 23, the water is filtered, and at the same time, the dust filter 23 prevents dust from entering in the opposite direction. Finally, the water flows out of the housing from the outlet 221 at the bottom of the drain box 22.

[0029] The dust filter element 23 increases the air resistance of the drainage channel, reduces the return air volume, and ensures smooth drainage. This structure balances drainage efficiency and dustproof performance, effectively draining water while preventing dust from entering the enclosure.

[0030] The liquid collection, flow channel and dust filtration functions are integrated into the structure of the drain box 22. The spatial position of the inlet 211 and the outlet 221 are matched to form a one-way drainage path. At the same time, the dust filter 23 is used to increase the airflow resistance, so as to block the reverse intrusion of dust while achieving rapid drainage, thus solving the technical contradiction that the traditional outlet 221 cannot balance drainage efficiency and dust prevention performance.

[0031] It should be noted that the specific location of the drainage component 2 can be determined according to the specific drainage requirements of the charging pile. For example, if rainwater is easily introduced into the air inlet 11 of the charging pile and water accumulates, a liquid collection plate 21 and other drainage components 2 can be installed at the bottom of the charging pile housing 1 near the air inlet 11.

[0032] See Figure 3 Furthermore, the liquid collection plate 21 is recessed in the middle to form a drainage area 212, and the water inlet 211 is located at the bottom of the drainage area 212.

[0033] The recessed structure of the liquid collection plate 21 can be an arc-shaped recess, a V-shaped groove, or a stepped recess. Without affecting the drainage function of the liquid collection plate 21, the specific depth and inclination angle of the recessed structure can be determined according to the product design requirements.

[0034] The recessed drainage area 212 utilizes gravity to allow water droplets to flow naturally towards the central depression, forming a concentrated liquid flow path. This design avoids the problem of water droplets scattering and lingering on the collection plate surface, improving liquid collection efficiency. Positioning the inlet 211 at the lowest point of the drainage area 212 ensures that the collected liquid can quickly enter the drain box 22, reducing the residual time of liquid on the collection plate surface. This improvement reduces the risk of corrosion and short circuits caused by liquid accumulation at the bottom of the charging pile, enhancing the safety and reliability of the charging pile.

[0035] like Figure 3As shown, the inlet 211 is positioned at the bottom of the drain box 22, and the outlet 221 is positioned close to both ends of the drain box 22.

[0036] The above-described configuration works in conjunction with the drainage area 212 of the liquid collection plate 21. After the drainage area 212 concentrates and transports the liquid to the inlet 211, the liquid must flow laterally through most of the length of the box before reaching the outlet 221. During this process, the dust filter element 23 is completely filled into the box, and its porous structure forces the liquid to permeate and flow in a diffusion manner, effectively slowing down the flow rate. This prolongs the flow path of the liquid within the drain box 22, increases the contact time between the liquid and the dust filter element 23, and allows impurities and dust to be filtered more thoroughly.

[0037] Meanwhile, the increased flow time of the liquid within the drain box 22 allows impurities to settle naturally due to gravity, preventing the dust filter 23 from clogging or malfunctioning due to excessively fast water flow. The separate design of the inlet 211 and outlet 221 also reduces the possibility of water directly impacting the outlet 221, further lowering the risk of dust entering the charging pile in the reverse direction with the water flow. Thus, while ensuring drainage efficiency, the dustproof effect is enhanced, improving the overall protective performance of the charging pile.

[0038] Specifically, the dust filter element 23 is completely filled in the drain box 22.

[0039] The shape and size of the dust filter element 23 match the internal space of the drain box 22, ensuring complete filling of the drain box 22. During installation, the dust filter element 23 can be compressed and inserted into the drain box 22, then naturally expands to fill the entire space. Furthermore, the dust filter element 23 can be divided into a multi-layer structure, with each layer using filter material of different pore sizes, thereby creating a gradient filtration effect.

[0040] The above technical solution achieves a seamless fit between the dust filter element 23 and the drain box 22, effectively blocking the channels for dust and unfiltered liquid to enter the charging pile. The fully filled structure forces liquid and air to pass through the dust filter element 23, improving filtration efficiency, extending the service life and maintenance cycle of the charging pile, providing more comprehensive protection for the internal components of the charging pile, and reducing the adverse effects of dust accumulation and humid environment on the equipment.

[0041] See Figure 1 and Figure 2 Furthermore, the charging pile box 1 is provided with an air inlet 11, and the projected area of ​​the drain box 22 is larger than the area of ​​the air inlet 11.

[0042] The expanded coverage area of ​​the drain box 22 allows the total air resistance of the internal dust filter 23 to effectively match the air resistance of the air inlet 11, reducing the possibility of backflow at the outlet 221. Simultaneously, the increased coverage area of ​​the drain box 22 also expands the water collection range, improving drainage efficiency.

[0043] In one alternative embodiment, there are multiple drainage components 2, which are disposed in different areas at the bottom of the charging pile housing 1.

[0044] Multiple drainage components 2 are distributed at different locations on the bottom of the charging pile housing 1, enabling targeted collection and drainage of water in various areas, avoiding the limited coverage of a single drainage component 2. This zoned drainage design improves overall drainage efficiency, effectively prevents localized water accumulation, and reduces the risk of component corrosion and short circuits. Simultaneously, the layout of multiple drainage components 2 enhances the system's adaptability to complex structures or sloping surfaces at the bottom of the charging pile housing 1, ensuring that water flow from different locations can be guided and drained in a timely manner.

[0045] In one alternative embodiment, the bottom portion of the drain box 22 is recessed to form a flow guiding area (not shown in the figure), and the outlet 221 is located at the bottom of the flow guiding area.

[0046] The concave guide zone provides a clear flow path for the liquid, preventing disorderly diffusion at the bottom of the plane. Under the influence of gravity, the liquid naturally converges to the lowest point of the guide zone, i.e., the outlet 221, thereby accelerating the drainage speed. The sloping structure of the guide zone further enhances the fluidity of the liquid and reduces liquid stagnation at the bottom. In addition, the design of the guide zone also helps to reduce the deposition of impurities near the outlet 221, reducing the risk of clogging at the outlet 221 and improving the long-term reliability of the drainage assembly 2.

[0047] In an optional embodiment, the drain assembly 2 further includes an ion exchange device (not shown) filled with ion exchange resin, which is disposed between the dust filter 23 and the drain box 22, or the ion exchange device is integrated into the dust filter 23.

[0048] Among them, ion exchange devices remove corrosive ions, such as calcium, magnesium or chloride ions, from liquids through the physical adsorption or displacement reaction of ion exchange resins.

[0049] When liquid flows through the ion exchange device, the resin material fixes corrosive anions to the resin skeleton through an ion exchange reaction, while releasing harmless hydroxide ions, thus purifying the liquid. This solution maintains the airflow resistance characteristics of the dustproof filter structure and blocks the ion migration path through chemical treatment, extending the service life of the internal metal components of the charging pile box 1 while maintaining the original drainage efficiency.

[0050] In one alternative embodiment, the diameter of the inlet 211 is larger than the diameter of the outlet 221.

[0051] The larger inlet 211 can quickly receive water droplets or condensate flowing from the liquid collection plate 21, preventing liquid from accumulating on the surface of the collection plate due to an inlet that is too small. The smaller outlet 221 reduces the pressure difference between the inside and outside of the drain box 22 by limiting the drainage flow, thereby reducing the possibility of external dust entering the drain box 22 with the backflow of air. The velocity gradient formed by the diameter difference causes the liquid to form a laminar flow state within the drain box 22, preventing turbulence from causing local clogging of the dust filter element 23, and prolonging the contact time between the liquid and the dust filter element 23, allowing the dust filter element 23 to fully adsorb impurities in the liquid.

[0052] In one alternative embodiment, the liquid collection plate 21 and the drain box 22 are made of stainless steel, or the surfaces of the liquid collection plate 21 and the drain box 22 are provided with a protective coating (not shown in the figure).

[0053] The stainless steel material can be austenitic or ferritic stainless steel, such as 304 or 430 stainless steel, with a chromium content of not less than 10.5%, achieving corrosion resistance by forming a dense oxide film. The protective coating can be polyurethane, epoxy resin, or fluorocarbon coating, forming a continuous cover layer through thermal spraying, electrophoretic deposition, or dip coating processes.

[0054] By utilizing the corrosion resistance properties of materials or coatings, the drainage component 2 is ensured to maintain stable flow guidance in salt spray environments or acid and alkaline media, avoiding the reduction in drainage efficiency caused by corrosion products clogging the inlet 211 or outlet 221, thereby ensuring the continuous discharge of water accumulated at the bottom of the charging pile box 1 and maintaining the normal working condition of the dust filter 23.

[0055] The above description is merely a preferred embodiment of the present utility model, and the specific embodiments described above are not intended to limit the present utility model. Various modifications and variations can be made within the scope of the technical concept of the present utility model. All refinements, modifications, or equivalent substitutions made by those skilled in the art based on the above description are within the scope of protection of the present utility model.

Claims

1. A charging pile with a water-draining function, characterized in that, The device includes a charging pile housing and a drain assembly. The drain assembly includes a liquid collection plate embedded in the bottom of the charging pile housing, a drain box connected to the liquid collection plate, and a dustproof filter disposed in the drain box. The liquid collection plate has a water inlet, which is connected to the drain box body, and the drain box body has a water outlet at the bottom.

2. The charging pile according to claim 1, characterized in that, The liquid collection plate is recessed in the middle to form a drainage area, and the water inlet is located at the bottom of the drainage area.

3. The charging pile according to claim 2, characterized in that, The water inlet is positioned at the orthographic projection of the bottom of the drain box, and the water outlet is positioned near both ends of the drain box.

4. The charging pile according to claim 1, characterized in that, The dust filter element is completely filled in the drain box.

5. The charging pile according to claim 4, characterized in that, The charging pile box has an air inlet, and the projected area of ​​the drain box is larger than the area of ​​the air inlet.

6. The charging pile according to claim 1, characterized in that, There are multiple drainage components, which are disposed in different areas at the bottom of the charging pile box.

7. The charging pile according to claim 1, characterized in that, The bottom of the drain box is recessed to form a flow guiding area, and the water outlet is located at the bottom of the flow guiding area.

8. The charging pile according to claim 1, characterized in that, The drainage assembly also includes an ion exchange device filled with ion exchange resin, which is disposed between the dust filter and the drainage box, or the ion exchange device is integrated into the dust filter.

9. The charging pile according to claim 1, characterized in that, The diameter of the inlet is larger than the diameter of the outlet.

10. The charging pile according to any one of claims 1 to 9, characterized in that, The liquid collection plate and the drain box are made of stainless steel, or the surfaces of the liquid collection plate and the drain box are provided with a protective coating.

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