A heat dissipation device for electric vehicle charging pile

Abstract

The utility model relates to a car charging pile technical field especially, it is a kind of heat dissipation device for electric vehicle charging pile.Its technical scheme includes: charging pile ontology, charging gun is installed on the charging pile ontology by wire;The rear end surface of the charging pile ontology is equipped with air duct, the heat dissipation fin is installed in the air duct by heat conduction plate, fan is fixedly installed in the air duct, air inlet pipe is embeddedly installed on the air duct, filter screen is installed in the air inlet pipe, the rear end surface of the filter screen is installed with first fixed lug by mounting bracket, the heat dissipation fin is connected by connecting frame, second fixed lug is installed on the connecting frame;Bracket is equipped in the air duct.The utility model satisfies the heat dissipation of car charging pile, after heat dissipation, the heat dissipation mechanism and filter dust position can be cleaned, avoid dust sundries to adhere in heat dissipation mechanism and filter dust position and influence filter dust and heat dissipation effect.

Description

Technical Field

[0001] This utility model relates to the field of automobile charging pile technology, and specifically to a heat dissipation device for electric vehicle charging piles. Background Technology

[0002] In the current booming development of the new energy vehicle industry, charging piles, as the core infrastructure of electric vehicles, also known as electric vehicle charging stations or electric vehicle power supply equipment, play a crucial role in replenishing the power of electric vehicles and ensuring their normal operation. Among them, high-power fast charging piles, with their efficient charging capabilities, have become an important guarantee for improving the user charging experience and promoting the popularization of new energy vehicles.

[0003] Currently, rectifier modules, as the core component of high-power fast charging piles, rectify alternating current into adjustable direct current through various internal components to charge electric vehicles. However, energy loss is inevitable during the rectification process, and this energy is dissipated as heat. As the power of charging piles continues to increase, the heat generated also increases significantly. If heat cannot be dissipated effectively and in a timely manner, it will seriously affect the performance and lifespan of the charging pile, and even threaten the safe operation of the equipment.

[0004] To address this issue, existing fast charging stations generally employ duct cooling technology. This involves introducing external cool air into the charging station's internal ducts, allowing the cool air to flow through the rectifier module and carry away heat, thus creating heat exchange. Finally, a fan expels the heated air from the rectifier cabinet. However, in practical applications, it has been found that the cooling mechanisms within the ducts easily accumulate dust and debris during long-term operation. These deposits form an insulating layer on the surface of the cooling mechanism, severely hindering heat conduction, reducing cooling efficiency, and consequently weakening the charging station's cooling effect. Therefore, there is an urgent need to optimize and improve the cooling structure of existing fast charging stations to enhance their heat dissipation performance and operational stability. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a heat dissipation device for electric vehicle charging piles, solving the problems mentioned in the background art.

[0006] The solution to the above-mentioned technical problems provided by this utility model is as follows:

[0007] A heat dissipation device for an electric vehicle charging pile includes a charging pile body, on which a charging gun is mounted via wires.

[0008] The rear end face of the charging pile body is provided with an air duct. Heat sinks are installed in the air duct through a heat-conducting plate. A fan is fixedly installed in the air duct. An air inlet pipe is embedded in the air duct. A filter screen is installed in the air inlet pipe. A first fixing protrusion is installed on the rear end face of the filter screen through a mounting bracket. The heat sinks are connected by a connecting bracket. A second fixing protrusion is installed on the connecting bracket.

[0009] The air duct is equipped with a support frame.

[0010] Based on the above technical solution, the present invention can be further improved as follows.

[0011] Furthermore, the heat-conducting plate is connected to the charging pile body by bolts, and the connection between the heat-conducting plate and the charging pile body is filled with silicone grease.

[0012] The beneficial effects of adopting the above-mentioned further solutions are:

[0013] The bolted connection facilitates the installation and removal of the heat-conducting plate. Disassembly is possible during equipment maintenance or heat-conducting plate replacement, and personnel can install the heat-conducting plate on the rectifier module. Filling the connection between the heat-conducting plate and the charging pile body with silicone grease effectively seals the tiny gaps between them. Since air has a much lower thermal conductivity than silicone grease, filling with silicone grease eliminates air in the gaps, enhancing heat conduction efficiency. This allows heat generated by the charging pile body to be transferred more effectively to the heat-conducting plate and then dissipated through the heat sink, ensuring efficient heat dissipation during high-load operation and preventing performance degradation or malfunction due to heat accumulation.

[0014] Furthermore, an exhaust pipe is embedded at the end of the air duct opposite to the air inlet pipe, and the exhaust pipe is connected to the air duct.

[0015] The beneficial effects of adopting the above-mentioned further solutions are:

[0016] The exhaust pipe forms a complete air duct system, working in conjunction with the intake pipe and air duct to create a closed-loop path for airflow. When the fan is running, outside air enters through the intake pipe, flows through the heat sink in the air duct to absorb heat, and is then smoothly discharged through the exhaust pipe.

[0017] Furthermore, a hydraulic rod is fixedly installed on the inner wall side face of the air duct, and the output shaft of the hydraulic rod is connected to the bracket.

[0018] The beneficial effects of adopting the above-mentioned further solutions are:

[0019] The hydraulic rod provides the power source for the support structure. By controlling the extension and retraction of the hydraulic rod through the hydraulic system, stable vibration of the support structure can be achieved. After long-term operation of the heat dissipation device, dust accumulates on the surface of the filter screen and heat sink, affecting heat dissipation and filtration efficiency. At this time, activating the hydraulic rod causes its extension and retraction to vibrate the support structure, providing the power basis for subsequent dust cleaning. This automated vibration cleaning method eliminates the need for manual disassembly of the filter screen and heat sink, significantly reducing the workload of maintenance personnel and minimizing the risk of component damage due to frequent disassembly, thus improving the convenience and reliability of equipment maintenance.

[0020] Furthermore, a first rubber block and a second rubber block are respectively installed at both ends of the bracket.

[0021] The beneficial effects of adopting the above-mentioned further solutions are:

[0022] The rubber blocks possess excellent elasticity and cushioning properties. The placement of the first and second rubber blocks prevents hard impacts on the fixing protrusions of the filter and heat sink when the support vibrates. During vibration cleaning, the rubber blocks, through their own elastic deformation, transfer the vibration energy of the support to the first and second fixing protrusions. This ensures sufficient vibration intensity to dislodge dust while preventing damage to components such as the filter and heat sink due to rigid collisions, effectively protecting the critical components of the equipment and extending its service life.

[0023] Furthermore, the first rubber block is used to compress the first fixing protrusion, and the second rubber block is used to compress the second fixing protrusion.

[0024] The beneficial effects of adopting the above-mentioned further solutions are:

[0025] When the hydraulic rod moves the support up and down, the first rubber block presses back and forth against the first fixed protrusion, causing the filter screen to vibrate and shake off the dust adhering to its surface. The second rubber block presses back and forth against the second fixed protrusion, causing the heat sink to vibrate and removing dust and debris from the gaps in the heat sink. This targeted vibration method can remove dust, restore the filtration performance of the filter screen and the heat dissipation efficiency of the heat sink, ensure the long-term stable operation of the heat dissipation device, and reduce the frequency of equipment failures caused by dust accumulation.

[0026] Furthermore, both ends of the inner wall of the air duct are equipped with sliding groove plates, and a collection box is slidably sleeved inside the sliding groove plates.

[0027] The beneficial effects of adopting the above-mentioned further solutions are:

[0028] The sliding connection between the chute and the collection box provides a collection space for dust and debris falling during vibration cleaning. When the heatsink vibrates, dust falls to the bottom of the air duct and enters the collection box. The collection box can be slidably removed, allowing maintenance personnel to regularly clean the dust inside and prevent secondary dust accumulation or blockage of the air duct.

[0029] This utility model provides a heat dissipation device for electric vehicle charging piles. It has the following beneficial effects:

[0030] By combining a heat-conducting plate with silicone grease, the air gap between the charging pile body and the heat-conducting plate is effectively eliminated, significantly improving heat transfer efficiency and ensuring that heat is quickly transferred to the heat sink during high-load operation. The heat sink and the fan work together, with the fan accelerating airflow so that heat is quickly discharged through a closed-loop path of intake pipe → air duct → exhaust pipe, preventing heat accumulation that could lead to equipment performance degradation or malfunction.

[0031] The hydraulic rod drives the bracket to move up and down, and dust is shaken off by vibration without the need for manual disassembly of the filter and heat sink. Automated cleaning reduces the frequency of manual maintenance and reduces the workload of personnel.

[0032] The rubber block cushioning design (first rubber block and second rubber block) avoids rigid impact and transmits vibration energy through elastic deformation. It can effectively remove dust and prevent damage to the filter, heat sink and its fixing structure (such as the first fixing protrusion and the second fixing protrusion), thus extending the service life of the equipment.

[0033] The first rubber block acts on the first fixing protrusion of the filter screen, and the second rubber block acts on the second fixing protrusion of the heat sink, thereby cleaning the "filter screen → heat sink" and restoring the filtration and heat dissipation performance. Attached Figure Description

[0034] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and are used to explain the present invention, but do not constitute an undue limitation of the present invention.

[0035] In the attached diagram:

[0036] Figure 1 This is a front view schematic diagram of the present invention;

[0037] Figure 2 This is a rear view schematic diagram of the present invention;

[0038] Figure 3 This is a schematic diagram of the internal structure of the air duct of this utility model;

[0039] Figure 4 This is a cross-sectional schematic diagram of the charging pile body of this utility model;

[0040] Figure 5 This is a side view of the air duct of this utility model;

[0041] Figure 6 This utility model Figure 5 An enlarged diagram of A in the diagram.

[0042] The attached diagram lists the components represented by each number as follows:

[0043] 1. Charging pile body; 101. Wire; 102. Charging gun; 2. Air duct; 201. Air inlet pipe; 202. Filter screen; 203. Air outlet pipe; 204. Collection box; 205. Slide plate; 206. Heat sink; 207. Fan; 208. Heat conduction plate; 209. First fixing protrusion; 210. Mounting bracket; 211. Second fixing protrusion; 212. Connecting bracket; 3. Hydraulic rod; 301. Bracket; 302. First rubber block; 303. Second rubber block. Detailed Implementation

[0044] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0045] Please see Figures 1 to 6 As shown, the embodiments provided by this utility model are as follows:

[0046] Example 1

[0047] A heat dissipation device for electric vehicle charging piles includes a charging pile body 1, on which a charging gun 102 is installed via a wire 101.

[0048] The rear end face of the charging pile body 1 is provided with an air duct 2. A heat sink 206 is installed in the air duct 2 through a heat conduction plate 208. A fan 207 is fixedly installed in the air duct 2. An air inlet pipe 201 is embedded in the air duct 2. A filter screen 202 is installed in the air inlet pipe 201. A first fixing protrusion 209 is installed on the rear end face of the filter screen 202 through a mounting bracket 210. The heat sinks 206 are connected by a connecting bracket 212. A second fixing protrusion 211 is installed on the connecting bracket 212.

[0049] A support bracket 301 is installed inside the air duct 2;

[0050] The heat-conducting plate 208 is connected to the charging pile body 1 by bolts. The connection between the heat-conducting plate 208 and the charging pile body 1 is filled with silicone grease. The bolt connection facilitates the installation and removal of the heat-conducting plate 208. Disassembly can be performed during equipment maintenance or replacement of the heat-conducting plate 208, and personnel can install the heat-conducting plate 208 on the rectifier module. Filling the connection between the heat-conducting plate 208 and the charging pile body 1 with silicone grease effectively fills the tiny gaps between them. Since the thermal conductivity of air is much lower than that of silicone grease, filling with silicone grease eliminates air in the gaps, enhancing heat conduction efficiency. This allows the heat generated by the charging pile body 1 to be transferred more effectively to the heat-conducting plate 208, and then dissipated through the heat sink 206. This ensures the heat dissipation effect of the charging pile during high-load operation and prevents equipment performance degradation or malfunction due to heat accumulation.

[0051] An exhaust pipe 203 is embedded at the end of the air duct 2 opposite to the intake pipe 201. The exhaust pipe 203 is connected to the air duct 2, and the arrangement of the exhaust pipe 203 forms a complete air duct 2 system. Together with the intake pipe 201 and the air duct 2, it forms a closed-loop path for air circulation. When the fan 207 is running, external air enters from the intake pipe 201, flows through the heat sink 206 in the air duct 2 to absorb heat, and is then smoothly discharged through the exhaust pipe 203.

[0052] Example 2

[0053] To perform vibration cleaning of heat dissipation and dust filtration areas after prolonged use, and to collect the dust and debris generated during vibration cleaning, for example, such as Figures 1 to 6 As shown, this utility model also includes:

[0054] A hydraulic rod 3 is fixedly installed on the inner wall side face of the air duct 2. The output shaft of the hydraulic rod 3 is connected to the bracket 301, and the hydraulic rod 3 provides a power source for the bracket 301. By controlling the extension and retraction of the hydraulic rod 3 through the hydraulic system, stable vibration of the bracket 301 can be achieved. After long-term operation of the heat dissipation device, dust will accumulate on the surface of the filter screen 202 and the heat sink 206, affecting the heat dissipation and filtration effect. At this time, the hydraulic rod 3 is activated, and its extension and retraction movement drives the bracket 301 to vibrate, providing a power basis for subsequent dust cleaning. This automated vibration cleaning method eliminates the need for manual disassembly of the filter screen 202 and the heat sink 206, greatly reducing the workload of maintenance personnel, and also reducing the risk of component damage caused by frequent disassembly, thus improving the convenience and reliability of equipment maintenance.

[0055] A first rubber block 302 and a second rubber block 303 are respectively installed at both ends of the bracket 301. The rubber blocks have good elasticity and cushioning performance. The arrangement of the first rubber block 302 and the second rubber block 303 can prevent hard impact on the fixing protrusions of the filter screen 202 and the heat sink 206 when the bracket 301 vibrates. During the vibration cleaning process, the rubber blocks transfer the vibration energy of the bracket 301 to the first fixing protrusion 209 and the second fixing protrusion 211 through their own elastic deformation. This ensures sufficient vibration intensity to dislodge dust while preventing damage to components such as the filter screen 202 and the heat sink 206 due to rigid collisions, effectively protecting the key components of the equipment and extending its service life.

[0056] The first rubber block 302 is used to compress the first fixed protrusion 209, and the second rubber block 303 is used to compress the second fixed protrusion 211. When the hydraulic rod 3 drives the bracket 301 to move up and down, the first rubber block 302 compresses the first fixed protrusion 209 back and forth, causing the filter screen 202 to vibrate and shake off the dust adhering to its surface; the second rubber block 303 compresses the second fixed protrusion 211 back and forth, causing the heat sink 206 to vibrate and remove dust and debris from the gaps in the heat sink 206. This targeted vibration method can remove dust, restore the filtration performance of the filter screen 202 and the heat dissipation efficiency of the heat sink 206, ensure the long-term stable operation of the heat dissipation device, and reduce the frequency of equipment failures caused by dust accumulation.

[0057] Both ends of the inner wall of the air duct 2 are equipped with sliding plates 205, and a collection box 204 is slidably sleeved within the sliding plates 205. This sliding sleeve structure between the sliding plates 205 and the collection box 204 provides a collection space for dust and debris falling during the vibration cleaning process. When the heat sink 206 vibrates, dust falls to the bottom of the air duct 2 and enters the collection box 204. The collection box 204 can be slidably removed, making it convenient for maintenance personnel to regularly clean the dust inside the collection box 204, preventing secondary accumulation of dust or blockage of the air duct 2.

[0058] Working principle:

[0059] The charging pile body 1 generates heat during operation, which is absorbed by the heat-conducting plate 208 (which is connected to the charging pile body 1 by bolts, and the connection is filled with silicone grease).

[0060] When the fan 207 starts, it drives air to be drawn into the air duct 2 from the air intake pipe 201 (the filter screen 202 inside the air intake pipe 201 filters dust in the air).

[0061] When air flows through the heat sink 206, it absorbs heat from its surface, and the heated air is discharged through the air outlet pipe 203.

[0062] When dust accumulates on the surface of the filter screen 202 and the heat sink 206, the hydraulic rod 3 is activated, and its output shaft pushes the bracket 301 to move up and down reciprocally.

[0063] The first rubber block 302 and the second rubber block 303 at both ends of the bracket 301 respectively squeeze the first fixed protrusion 209 and the second fixed protrusion 211, and the filter screen 202 and heat sink 206 shake off the dust through elastic vibration.

[0064] The falling dust slides down through the air duct 2 into the collection box 204. Maintenance personnel can periodically slide and disassemble the collection box 204 to clean the dust, avoiding secondary accumulation that could affect heat dissipation.

[0065] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. It will be apparent to those skilled in the art that this utility model is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or basic characteristics of this utility model. Therefore, the embodiments should be considered exemplary and non-limiting in all respects. The scope of this utility model is defined by the appended claims rather than the foregoing description, and thus all variations falling within the meaning and scope of equivalents of the claims are intended to be included within this utility model. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0066] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A heat dissipation device for an electric vehicle charging pile, comprising a charging pile body (1), wherein a charging gun (102) is mounted on the charging pile body (1) via a wire (101), characterized in that: The rear end face of the charging pile body (1) is provided with an air duct (2). A heat sink (206) is installed in the air duct (2) through a heat conduction plate (208). A fan (207) is fixedly installed in the air duct (2). An air inlet pipe (201) is embedded in the air duct (2). A filter screen (202) is installed in the air inlet pipe (201). A first fixing protrusion (209) is installed on the rear end face of the filter screen (202) through a mounting bracket (210). The heat sinks (206) are connected by a connecting bracket (212). A second fixing protrusion (211) is installed on the connecting bracket (212). The air duct (2) is equipped with a support (301).

2. The heat dissipation device for an electric vehicle charging pile according to claim 1, characterized in that: The heat-conducting plate (208) is connected to the charging pile body (1) by bolts, and the connection between the heat-conducting plate (208) and the charging pile body (1) is filled with silicone grease.

3. The heat dissipation device for an electric vehicle charging pile according to claim 1, characterized in that: An exhaust pipe (203) is embedded at one end of the air duct (2) away from the air inlet pipe (201), and the exhaust pipe (203) is connected to the air duct (2).

4. The heat dissipation device for an electric vehicle charging pile according to claim 1, characterized in that: A hydraulic rod (3) is fixedly installed on the inner wall side face of the air duct (2), and the output shaft of the hydraulic rod (3) is connected to the bracket (301).

5. The heat dissipation device for an electric vehicle charging pile according to claim 4, characterized in that: The bracket (301) has a first rubber block (302) and a second rubber block (303) installed at its two ends respectively.

6. The heat dissipation device for an electric vehicle charging pile according to claim 5, characterized in that: The first rubber block (302) is used to compress the first fixed protrusion (209), and the second rubber block (303) is used to compress the second fixed protrusion (211).

7. The heat dissipation device for an electric vehicle charging pile according to claim 1, characterized in that: Both ends of the inner wall of the air duct (2) are equipped with sliding groove plates (205), and a collection box (204) is slidably sleeved inside the sliding groove plate (205).

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