Dry cooler for immersed liquid cooling charging pile
By employing a rectangular extended and bent radiator body and exhaust valve in the immersion liquid-cooled charging pile, the problems of small radiator contact area and gas flow obstruction are solved, achieving efficient heat dissipation and long service life.
Patent Information
- Application Number
- CN202520502093.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-21
AI Technical Summary
Existing immersion liquid-cooled charging piles have small heat sink contact areas and low cooling efficiency. Furthermore, the presence of gas in the liquid affects flow, resulting in poor heat dissipation and shortened service life.
The radiator body adopts a rectangular extended and bent shape to increase the contact area with the outside world, and an exhaust valve is installed in the heat exchange tube to discharge gas and ensure normal liquid flow.
It improves heat dissipation and efficiency, ensures normal liquid flow, and extends the service life of the equipment.
Smart Images

Figure CN223803435U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a heat abstractor for charging pile technical field, more specifically relates to a kind of dry cooler for immersion liquid cooling charging pile. BACKGROUND
[0002] In the existing immersion liquid cooling super charging pile, in order to ensure the normal operation of circuit board and other components in the charging pile, timely heat dissipation is needed, and most of the existing heat dissipation methods use liquid cooling method. The liquid cooling method directly immerses the circuit board and other components in a non-conductive liquid, exchanges heat between the liquid and the heat generating components such as circuit board, cools them down, and then the liquid is transported to the heat dissipation structure for heat dissipation. The existing heat dissipation structure is generally a s-shaped coiled pipe with multiple heat dissipation fins fixed on it, which forms a rectangular block. Then, through the operation of the fan, air passes through the heat dissipation fins, and the air exchanges heat with the heat dissipation fins to cool the liquid. The liquid then flows back to the circuit board and other components for heat exchange and cooling.
[0003] However, the rectangular heat sink has a small contact area with the surrounding environment, which affects its cooling efficiency and effectiveness. Moreover, the flowing liquid may contain gas, which can affect the normal flow of liquid in the heat exchange pipe. SUMMARY
[0004] The utility model aims to overcome the shortcomings of the prior art and provide a dry cooler for immersion liquid cooling charging pile, which has good heat exchange effect and high efficiency. The exhaust valve can exhaust the gas in the heat exchange pipe, ensuring the service life.
[0005] The utility model solves the technical problem by the following scheme:
[0006] A dry cooler for immersion liquid cooling charging pile, comprising a main housing, a heat sink body is provided in the main housing, a center through hole is formed in the middle part of the heat sink body, an upper center through hole is formed in the middle part of the top plate of the main housing directly above the center through hole, a cooling fan is fixed in the middle part of the top plate of the main housing, and the suction end of the cooling fan faces the upper center through hole.
[0007] A plurality of heat dissipation holes are formed in the side plate of the main housing.
[0008] A downward extending mounting groove is formed in the middle part of the top plate of the main housing, an upper center through hole is formed in the middle part of the bottom surface of the mounting groove, the lower part of the cooling fan is located in the mounting groove, the cooling fan is fixed on the bottom surface of the mounting groove, and the impeller of the cooling fan is inserted into the upper center through hole, and the lower part of the cooling fan is located in the center through hole.
[0009] The main shell is a rectangular shell; the radiator main body is a rectangular extension bending, which is composed of a plurality of heat dissipation fins and a plurality of heat exchange pipes, the heat dissipation fins are fixed on the outer sidewalls of all the heat exchange pipes, all the heat exchange pipes are bent to extend in a rectangular shape, all the liquid inlet ends of the heat exchange pipes are connected with a same main liquid inlet pipe, and all the liquid outlet ends of the heat exchange pipes are connected with a same main liquid outlet pipe.
[0010] One end of the liquid outlet connecting pipe is connected with the sidewall of the main liquid outlet pipe, and the sidewall of the main liquid inlet pipe is connected with the liquid inlet connecting pipe.
[0011] The exhaust valve is fixed on the top surface of the top plate of the main liquid outlet pipe, and the liquid inlet end of the bottom of the exhaust valve is communicated with the main liquid outlet pipe.
[0012] The main shell comprises a rectangular main frame, side plate bodies are fixed at the left side, the right side, the front side and the back side of the main frame, mesh holes formed by a plurality of heat dissipation holes are formed in the middle portions of all the side plate bodies, and a bottom plate is fixed at the bottom of the main frame.
[0013] The exhaust end of the exhaust valve extends out of the upper through hole formed in the top plate of the main shell.
[0014] The main liquid inlet pipe and the main liquid outlet pipe are adjacent to each other, the same end connecting plate is fixed at all the heat exchange pipes of one end of the radiator main body at the main liquid inlet pipe, the same second end connecting plate is fixed at all the heat exchange pipes of one end of the radiator main body at the main liquid outlet pipe, the bending portion is formed on one side of the end connecting plate and is fixedly connected with the second end connecting plate through rivets or bolts, and the bottom bending sheet portion formed at the bottom of the end connecting plate and the second end connecting plate is fixed on the top surface of the bottom plate of the main shell.
[0015] The utility model discloses the prominent effect is:
[0016] Compared with the prior art, the radiator main body is a rectangular extension bending, so that the contact area with the outside world is increased, the heat exchange effect and efficiency are improved, the exhaust valve can exhaust the gas in the heat exchange pipe, the gas pressure in the heat exchange pipe is reduced, the normal flow and use of the liquid in the heat exchange pipe are ensured, and the service life is ensured. DRAWINGS
[0017] Figure 1 It is the local structure schematic view of the utility model;
[0018] Figure 2 It is the local structure schematic view of the utility model without top plate and other components;
[0019] Figure 3 It is the local sectional view of the utility model;
[0020] Figure 4 It is the local structure schematic view of the radiator main body of the utility model;
[0021] Figure 5 is Figure 1 a partial structure diagram of the angle changing part;
[0022] Figure 6 is Figure 1 a partial enlarged view. DETAILED DESCRIPTION
[0023] Embodiment, see as Figures 1 to 6 shown, an immersed liquid cooling dry cooler for charging pile, including main shell 10, the main shell 10 is equipped with radiator main body 20, the central through hole 21 is formed in the middle part of radiator main body 20, the top plate of the main shell 10 is formed with upper central through hole 11 in the upper part of the central through hole 21, cooling fan 12 is fixed in the middle part of the top plate of the main shell 10, and the suction end thereof is opposite the upper central through hole 11;The main shell 10 includes a rectangular main frame, and side plate bodies are fixed at the left side, the right side, the front side and the rear side of the main frame, the middle part of all side plates is formed with a mesh composed of a plurality of heat dissipation through holes 13, and the bottom of the main frame is fixed with a bottom plate.
[0024] Further, the middle part of the top plate of the main shell 10 is formed with a downwardly-extending mounting groove 14, the bottom surface of the mounting groove 14 is formed with an upper central through hole 11 in the middle part, the lower part of the cooling fan 12 is in the mounting groove 14, and the cooling fan 12 is fixed on the bottom surface of the mounting groove 14, the impeller of the cooling fan 12 is inserted into the upper central through hole 11, and the lower part of the cooling fan 12 is in the central through hole 21.
[0025] Further, the main shell 10 is a rectangular shell; the radiator main body 20 is a rectangularly-extending bent body, which is composed of a plurality of heat dissipation fins 22 and a plurality of heat exchange pipes 23, the heat dissipation fins 22 are fixed on the outer side walls of all heat exchange pipes 23, all heat exchange pipes 23 are bent to extend in a rectangular shape, all liquid inlet ends of the heat exchange pipes 23 are connected to a same main liquid inlet pipe 24, and all liquid outlet ends of the heat exchange pipes 23 are connected to a same main liquid outlet pipe 25. Since the radiator main body 20 is a rectangularly-extending bent body, the outer side walls thereof correspond to the inner side walls of the four side plates of the main shell 10, so that the contact area of the radiator main body 20 with the outside is greatly increased, and each side plate has a mesh composed of a plurality of heat dissipation through holes 13, so that the air outside can enter the main shell 10 through the mesh, and the heat exchange effect is improved.
[0026] Further, one end of a liquid outlet connecting pipe 251 is connected to the side wall of the main liquid outlet pipe 25, and a liquid inlet connecting pipe 241 is connected to the side wall of the main liquid inlet pipe 24, the liquid outlet end of the liquid outlet connecting pipe 251 and the liquid inlet end of the liquid inlet connecting pipe 241 are opposite corresponding lower connecting through holes 16 formed on the bottom plate of the main shell 10.
[0027] Further, the top surface of the top plate of the main outlet pipe 25 is fixed with an exhaust valve 1, and the bottom inlet end of the exhaust valve 1 is communicated with the main outlet pipe 25. The practical exhaust valve 1 of the embodiment is of a conventional structure, which will not be described in detail herein, and can be a known liquid-tight exhaust valve or other commercially available exhaust valve.
[0028] Further, the exhaust end of the exhaust valve 1 extends out of the upper through hole 17 formed in the top plate of the main shell 10.
[0029] Further, the main inlet pipe 24 and the main outlet pipe 25 are adjacent to each other, and all the heat exchange pipes 23 at one end of the radiator main body 20 at the main inlet pipe 24 are fixed with a same end connecting plate, and all the heat exchange pipes 23 at one end of the radiator main body 20 at the main outlet pipe 25 are fixed with a same second end connecting plate, and the end connecting plate is formed with a bending portion on one side thereof, which is fixedly connected with the second end connecting plate by rivets or bolts, and the bottom bending flange of the end connecting plate and the second end connecting plate is fixed on the top surface of the bottom plate of the main shell 10.
[0030] The end connecting plate, the second end connecting plate and the radiator main body 20 form a rectangular ring body with a central through hole 21 in the middle.
[0031] The radiator main body 20 is fixed on the bottom plate of the main shell 10 by the plurality of bending connecting flanges.
[0032] In use, the embodiment is installed at a corresponding position (such as the upper portion) of a charging pile, and a lower shell is installed at the lower portion of the charging pile, the lower shell is filled with a non-conductive liquid such as silicone oil, and the circuit board and other components in the lower shell are immersed in the liquid, and a delivery pump is installed at the lower shell, the liquid inlet end of the delivery pump extends into the liquid, the liquid outlet end of the delivery pump is communicated with the liquid inlet end of the liquid inlet connecting pipe 241, and the liquid outlet end of the connecting pipe communicated with the liquid outlet end of the liquid outlet connecting pipe 251 is located in the lower shell. The structure of the lower shell and other components is of a conventional structure, which will not be described in detail herein.
[0033] In operation, the silicone oil exchanges heat with the circuit board and other components immersed therein, and then is delivered into the radiator main body 20 by the operation of the delivery pump. At this time, the cooling fan 12 is operated to make the air around the main shell 10 enter the main shell 10 through the mesh and exchange heat with the radiator main body 20, and the gas after heat exchange is discharged outwards through the upper central through hole 11. At this time, the liquid in the heat exchange pipes 23 in the radiator main body 20 is cooled and enters the main outlet pipe 25, and the gas mixed in the heat exchange pipes 23 can be discharged through the exhaust valve 1 to reduce the pressure in the heat exchange pipes 23 and ensure the normal flow of the liquid therein and the service life thereof.
[0034] The above embodiments are only used for illustrating the present application, and are not intended to limit the present application. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, and all equivalent technical solutions also belong to the scope of the present application. The patent protection scope of the present application should be defined by the claims.
Claims
1. A dry cooler for an immersed liquid-cooled charging pile, comprising a main shell (10), characterized in that: The main shell (10) is provided with a radiator main body (20), the middle part of the radiator main body (20) is formed with a center through hole (21), the middle part of the top plate of the main shell (10) above the center through hole (21) is formed with an upper center through hole (11), and the cooling fan (12) is fixed to the middle part of the top plate of the main shell (10), and the suction end of the cooling fan (12) faces the upper center through hole (11). A plurality of heat dissipation through holes (13) are formed in the side plate of the main shell (10).
2. The immersion liquid cooling dry cooler for electric pile according to claim 1, characterized in that: The middle part of the top plate of the main shell (10) is formed with a downwardly extending mounting groove (14), the middle part of the bottom surface of the mounting groove (14) is formed with an upper center through hole (11), the lower part of the cooling fan (12) is located in the mounting groove (14), the cooling fan (12) is fixed to the bottom surface of the mounting groove (14), the impeller of the cooling fan (12) is inserted into the upper center through hole (11), and the lower part of the cooling fan (12) is located in the center through hole (21).
3. The immersion liquid cooling dry cooler for electric pile according to claim 1, characterized in that: The main shell (10) is a rectangular shell; the radiator main body (20) is a rectangularly extended and bent, which is composed of a plurality of heat dissipation fins (22) and a plurality of heat exchange pipes (23), the heat dissipation fins (22) are fixed to the outer side walls of all the heat exchange pipes (23), all the heat exchange pipes (23) are bent to extend in a rectangular shape, all the liquid inlet ends of the heat exchange pipes (23) are connected to a same main liquid inlet pipe (24), and all the liquid outlet ends of the heat exchange pipes (23) are connected to a same main liquid outlet pipe (25).
4. The immersion liquid cooling dry cooler for electric pile according to claim 3, characterized in that: One end of a liquid outlet connecting pipe (251) is connected to the side wall of the main liquid outlet pipe (25), the side wall of the main liquid inlet pipe (24) is connected to a liquid inlet connecting pipe (241), and the liquid outlet end of the liquid outlet connecting pipe (251) and the liquid inlet end of the liquid inlet connecting pipe (241) face corresponding lower connecting through holes (16) formed in the bottom plate of the main shell (10).
5. The immersion liquid cooling dry cooler for electric pile according to claim 3, characterized in that: An exhaust valve (1) is fixed to the top surface of the top plate of the main liquid outlet pipe (25), and the bottom liquid inlet end of the exhaust valve (1) is communicated with the main liquid outlet pipe (25).
6. The immersion liquid cooling dry cooler for electric pile according to claim 1, characterized in that: The main shell (10) comprises a rectangular main frame, side plate bodies are fixed to the left side, the right side, the front side and the rear side of the main frame, mesh holes composed of a plurality of heat dissipation through holes (13) are formed in the middle parts of all the side plates, and a bottom plate is fixed to the bottom of the main frame.
7. The immersion liquid cooling dry cooler for electric pile according to claim 5, characterized in that: The exhaust valve (1) extends out of an upper through hole (17) formed in the top plate of the main shell (10).
8. The immersion liquid cooling dry cooler for electric pile according to claim 3, characterized in that: The main liquid inlet pipe (24) and the main liquid outlet pipe (25) are adjacent to each other, one end of the radiator main body (20) at the main liquid inlet pipe (24) is fixed with a same end connecting plate at all the heat exchange pipes (23), one end of the radiator main body (20) at the main liquid outlet pipe (25) is fixed with a same second end connecting plate at all the heat exchange pipes (23), one side of the end connecting plate is formed with a bent part, the end connecting plate and the second end connecting plate are fixed and connected through rivets or bolts, and the bottom bent sheet parts formed at the bottoms of the end connecting plate and the second end connecting plate are fixed to the top surface of the bottom plate of the main shell (10).