CN217259648U - Heat radiation structure of direct current charging pile charging module - Google Patents
Heat radiation structure of direct current charging pile charging module Download PDFInfo
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- CN217259648U CN217259648U CN202220917282.1U CN202220917282U CN217259648U CN 217259648 U CN217259648 U CN 217259648U CN 202220917282 U CN202220917282 U CN 202220917282U CN 217259648 U CN217259648 U CN 217259648U
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- circuit board
- magnetic core
- core device
- fan
- shell
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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Abstract
The utility model discloses a heat dissipation structure of a charging module of a direct current charging pile, which comprises a fan, a sealed shell and a charging circuit, wherein the charging circuit comprises a circuit board and a heating component electrically connected with the circuit board, the charging circuit is arranged in the shell, and the outer surface of the shell comprises a group of heat dissipation fins; the fan is an axial flow fan, the fan is fixed on one side of the shell, and the axis of the fan is parallel to the air channel of the radiating fin. The utility model discloses a charging circuit arranges in sealed casing, through outside fan cooling, and is waterproof, and is dustproof effectual.
Description
[ technical field ]
The utility model relates to a direct current fills electric pile, especially relates to a direct current fills heat radiation structure of electric pile module of charging.
[ background Art ]
In the application of the traditional direct current charging pile, generally, one direct current charging pile is provided with a plurality of charging modules, and forced air cooling is generally adopted for heat dissipation of each direct current charging module. The forced air cooling principle is that the fan directly faces to the magnetic device and the power switch tube of the charging module to take away heat in a blowing mode. Along with the application demand of distributed low-power direct current charging is more and more, the low-power direct current charging pile is only provided with one charging module, the module circuit is highly integrated, the protection level, the volume and the noise are higher in requirements compared with forced air cooling, and the protection level IP65 is generally required to be met so as to realize rain prevention and dust prevention of the circuit.
The traditional direct current charging module adopts forced air cooling, the fan and the heating element are both arranged in the same shell, holes are formed in the two ends of the shell to form an air channel, and the fan is arranged in the air channel. When the direct current charging module works, heat generated by the components is forcibly discharged through air flowing through the air channel through the operation of the fan, and heat exchange with external air is realized. The greatest drawback of the heat dissipation structure is that the waterproof and dustproof problems of the direct current charging module cannot be solved
[ summary of the invention ]
The to-be-solved technical problem of the utility model is to provide a waterproof, dustproof effectual direct current fills heat radiation structure of electric pile module of charging.
In order to solve the technical problem, the utility model adopts the technical scheme that the heat dissipation structure of the charging module of the direct current charging pile comprises a fan, a sealed shell and a charging circuit, wherein the charging circuit comprises a circuit board and a heating element electrically connected with the circuit board, the charging circuit is arranged in the shell, the shell is sealed, and the outer surface of the shell comprises a group of heat dissipation fins; the fan is an axial flow fan, the fan is fixed on one side of the shell, and the axis of the fan is parallel to the air channel of the radiating fin.
The heat dissipation structure comprises a plurality of fans, wherein the plurality of fans form a fan set, and the length direction of the fan set is parallel to the length direction of the shell.
In the heat dissipation structure, the shell comprises the half-shell-shaped radiator and the sealing cover, and the circuit board and the heating element electrically connected with the circuit board are fixed in the inner cavity of the half-shell-shaped radiator; the outer surface of the half-shell-shaped radiator comprises the radiating fins, and the fan is fixed on one side of the half-shell-shaped radiator.
In the heat dissipation structure, the heating element comprises a magnetic core device and a power tube, and the circuit board comprises a main circuit board and a magnetic core device circuit board; the half-shell-shaped radiator comprises a magnetic core device mounting groove and a circuit board mounting groove, wherein the magnetic core device mounting groove comprises a side plate which separates the magnetic core device mounting groove from the circuit board mounting groove; the magnetic core device is arranged in the magnetic core device mounting groove, and a gap of the magnetic core device in the magnetic core device mounting groove is filled with heat-conducting silica gel; the main circuit board is arranged at the bottom of the circuit board mounting groove, and a gap between the bottom surface of the main circuit board and the bottom of the circuit board mounting groove is filled with heat-conducting silica gel; the magnetic core device circuit board is arranged at the top of the magnetic core device, and the magnetic core device circuit board is connected with the main circuit board through a plurality of copper bars.
The two ends of the copper bar are respectively connected with the main circuit board and the magnetic core device circuit board through the copper columns.
In the heat dissipation structure, the power tube is pressed and attached to the outer wall of the side plate by the elastic sheet, and the pin of the power tube is connected with the main circuit board.
In the heat dissipation structure, the power tube and the side plate are separated by the ceramic plate, the elastic sheet is fixed on the side plate through the anti-loosening combined screw, and the anti-loosening combined screw is screwed on the top surface of the side plate.
The utility model discloses a charging circuit arranges in sealed casing, through outside fan cooling, and is waterproof, and is dustproof effectual.
[ description of the drawings ]
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is the utility model discloses direct current fills electric pile charging module's perspective view.
Fig. 2 is a perspective view of the internal structure of the half-shell heat sink according to the embodiment of the present invention.
Fig. 3 is a perspective view of a half-shell heat sink and a charging circuit according to an embodiment of the present invention.
Fig. 4 is a partial cross-sectional view of a half-shell heat sink and a charging circuit according to an embodiment of the present invention.
Fig. 5 is a partial perspective view of the half-shell heat sink and the charging circuit according to the embodiment of the present invention.
[ detailed description of the invention ]
The embodiment of the utility model provides a direct current fills electric pile module of charging's structure is shown in fig. 1 to 5, including sealed casing 100, the fan group 30 and the charging circuit of constituteing by 6 fans 31, fan group 30 is fixed on casing 100.
The casing 100 is composed of a half-shell-shaped heat sink 10 and a sealing cover 20, the charging circuit includes a circuit board and a heating element electrically connected to the circuit board, and the circuit board and the heating element are fixed in an inner cavity of the half-shell-shaped heat sink 10. The half-shell shaped heat sink 10 is an aluminum die cast.
The outer surface of the half-shell type heat sink 10 has a set of heat dissipating fins 11. The fan 31 is an axial fan 31, the fan set 30 is fixed on one side of the half-shell shaped heat sink 10, the axis of the fan 31 is parallel to the air channel of the heat dissipation fins 11, and the length direction of the fan set 30 is parallel to the length direction of the casing 100.
The heat generating components of the charging circuit include a magnetic core device 41 and a power tube 43, and the circuit board includes a main circuit board 51 and a magnetic core device circuit board 42. The half-shell shaped heat sink 10 includes a core-device-mounting groove 12 and a circuit-board-mounting groove 13, the core-device-mounting groove 12 including a side plate 14, the side plate 14 separating the core-device-mounting groove 12 from the circuit-board-mounting groove 13. The core component 41 is disposed in the core component mounting groove 12, and a gap of the core component 41 within the core component mounting groove 12 is filled with a heat conductive silicone gel 44. The main circuit board 51 is disposed at the bottom of the circuit board mounting groove 13, and a gap between the bottom surface of the main circuit board 51 and the bottom of the circuit board mounting groove 13 is filled with a heat conductive silicone gel 52. The magnetic core device circuit board 42 is arranged on the top of the magnetic core device 41, and the magnetic core device circuit board 42 is connected with the main circuit board 51 through 3 copper bars 53.
Two ends of the copper bar are respectively connected with the main circuit board 51 and the magnetic core device circuit board 42 through copper columns 54.
The power tube 43 is vertically welded on the edge of the main circuit board 51, the plastic shell surface of the power tube 43 is pressed by a bent elastic sheet 45, so that the power tube 43 is attached to the outer wall of the side plate 14, the power tube 43 and the side plate 14 are separated by a ceramic sheet 46, the metal surface of the power tube 43 is insulated from the side plate 14 by the ceramic sheet 46, and the pin of the power tube 43 is connected with the main circuit board 51.
The elastic sheet 45 is fixed on the side plate 14 through an anti-loose combination screw 47, and the anti-loose combination screw 47 is screwed on the top surface of the side plate 14.
The charging circuit and the heating components of the charging module of the direct current charging pile of the embodiment of the utility model are arranged in the sealed shell, so that the structure is compact; through outside fan cooling, waterproof, dustproof effectual, can realize higher protection level.
Claims (7)
1. A heat dissipation structure of a charging module of a direct-current charging pile comprises a fan, a shell and a charging circuit, wherein the charging circuit comprises a circuit board and a heating element electrically connected with the circuit board; the fan is an axial flow fan, the fan is fixed on one side of the shell, and the axis of the fan is parallel to the air channel of the radiating fin.
2. The heat dissipating structure of claim 1, comprising a plurality of said fans, wherein the plurality of fans form a fan set, and the length direction of the fan set is parallel to the length direction of the housing.
3. The heat dissipation structure of claim 1, wherein the housing includes a half-shell-shaped heat sink and a sealing cover, and the circuit board and the heat generating component electrically connected to the circuit board are fixed in an inner cavity of the half-shell-shaped heat sink; the outer surface of the half-shell-shaped radiator comprises the radiating fins, and the fan is fixed on one side of the half-shell-shaped radiator.
4. The heat dissipation structure of claim 1, wherein the heat generating component comprises a magnetic core device and a power transistor, and the circuit board comprises a main circuit board and a magnetic core device circuit board; the half-shell-shaped radiator comprises a magnetic core device mounting groove and a circuit board mounting groove, wherein the magnetic core device mounting groove comprises a side plate which separates the magnetic core device mounting groove from the circuit board mounting groove; the magnetic core device is arranged in the magnetic core device mounting groove, and a gap of the magnetic core device in the magnetic core device mounting groove is filled with heat-conducting silica gel; the main circuit board is arranged at the bottom of the circuit board mounting groove, and a gap between the bottom surface of the main circuit board and the bottom of the circuit board mounting groove is filled with heat-conducting silica gel; the magnetic core device circuit board is arranged at the top of the magnetic core device, and the magnetic core device circuit board is connected with the main circuit board through a plurality of copper bars.
5. The heat dissipating structure of claim 4, wherein two ends of the copper bar are connected to the main circuit board and the magnetic core device circuit board through copper pillars, respectively.
6. The heat dissipation structure of claim 4, wherein the power tube is pressed and attached to the outer wall of the side plate by a spring plate, and the pin of the power tube is connected to the main circuit board.
7. The heat dissipating structure of claim 6, wherein the power tube is separated from the side plate by a ceramic plate, the elastic plate is fixed to the side plate by an anti-loose combination screw, and the anti-loose combination screw is screwed on the top surface of the side plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202220917282.1U CN217259648U (en) | 2022-04-20 | 2022-04-20 | Heat radiation structure of direct current charging pile charging module |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202220917282.1U CN217259648U (en) | 2022-04-20 | 2022-04-20 | Heat radiation structure of direct current charging pile charging module |
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CN217259648U true CN217259648U (en) | 2022-08-23 |
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CN202220917282.1U Active CN217259648U (en) | 2022-04-20 | 2022-04-20 | Heat radiation structure of direct current charging pile charging module |
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CN (1) | CN217259648U (en) |
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2022
- 2022-04-20 CN CN202220917282.1U patent/CN217259648U/en active Active
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