CN211745104U

CN211745104U - Fill heat abstractor for electric pile power

Info

Publication number: CN211745104U
Application number: CN202020733731.8U
Authority: CN
Inventors: 崔虎
Original assignee: Anhui Meigefrey Intelligent Technology Co ltd
Current assignee: Anhui Meigefrey Intelligent Technology Co ltd
Priority date: 2020-05-07
Filing date: 2020-05-07
Publication date: 2020-10-23
Anticipated expiration: 2030-05-07

Abstract

The utility model discloses a heat dissipation device for a charging pile power supply, wherein the charging pile comprises a protective shell, the heat dissipation device is arranged on the charging pile, the heat dissipation device comprises heat absorbers arranged on the side parts of two sides of the power supply and a radiator positioned at the bottom of the protective shell, the heat absorbers comprise heat absorption shells and semiconductor refrigeration sheets, the heat absorption shells comprise heat absorption cavities arranged inside and heat absorption openings arranged on the side parts, and the semiconductor refrigeration sheets are arranged at the heat absorption openings at intervals; the radiator comprises a radiating shell, a radiating cavity is arranged in the radiating shell, and one or more ventilation holes are formed in the radiating shell; the heat dissipation device further comprises one or more heat pipes, the heat pipes vertically penetrate through the bottom of the protective shell, the heat absorption section of each heat pipe is located in the heat absorption cavity, and the heat release section of each heat pipe is located in the heat dissipation cavity. This heat abstractor can be fast effectively with the heat transfer of production in the power outside the electric pile that fills, and this kind of heat abstractor has dustproof effect betterly.

Description

Fill heat abstractor for electric pile power

Technical Field

The utility model relates to a fill electric pile heat dissipation technical field, concretely relates to fill heat abstractor for electric pile power.

Background

Along with the development of economy, the energy and the environmental protection problem are outstanding day by day, new forms of energy technical development is fast, electric automobile is one kind as new forms of energy science and technology product, slowly enter into the city, electric automobile's energy comes from the electric energy, in electric automobile intelligence quick charging system, it is the execution equipment who accomplishes electric automobile fast, the safety is charged to fill electric pile, also continuously improve its demand and requirement, because fill electric pile power during operation, the existence condition of generating heat of MOS pipe and heating elements such as inductance in it, therefore, in order to promote charge efficiency and security, heat radiation structure or device need add on filling electric pile power.

The existing heat dissipation technology comprises heat dissipation sheet passive heat dissipation, fan air cooling heat dissipation, liquid cooling heat dissipation, heat pipe heat dissipation, semiconductor refrigeration sheet heat dissipation and the like, wherein the heat pipe heat dissipation technology principle is that the heat conduction principle and the rapid heat transfer property of a phase change medium are fully utilized, heat of a heating object is rapidly transferred to the outside of a heat source through a heat pipe, and the heat conduction capability of the heat pipe exceeds the heat conduction capability of any known metal; in addition, the semiconductor refrigeration piece is equivalent to a heat pump, and the heat dissipation technical principle is that by utilizing the Peltier effect of semiconductor materials, when direct current passes through a couple formed by connecting two different semiconductor materials in series, heat can be absorbed and released at two ends of the couple respectively, so that the aim of refrigeration can be fulfilled. The refrigerating technology which generates negative thermal resistance is characterized by no moving parts and higher reliability.

SUMMERY OF THE UTILITY MODEL

To the problem among the prior art, the utility model provides a fill heat abstractor for electric pile power.

In order to achieve the purpose, the utility model discloses a following technical scheme realizes:

a heat dissipation device for a power supply of a charging pile comprises a protective shell, wherein the power supply is fixedly arranged on the inner side wall of the protective shell, the charging pile is provided with the heat dissipation device, the heat dissipation device comprises heat absorbers arranged on the side parts of two sides of the power supply and a heat radiator positioned at the bottom of the protective shell, each heat absorber comprises a heat absorption shell and a semiconductor refrigeration piece, each heat absorption shell comprises a heat absorption cavity arranged inside and a heat absorption opening arranged on the side part, the semiconductor refrigeration pieces are arranged at the heat absorption openings in a spaced mode, the outer ends of the heat absorption openings are connected with the side parts of the power supply, the heat absorption end faces of the semiconductor refrigeration pieces are attached to the power supply; the radiator comprises a radiating shell, a radiating cavity is arranged in the radiating shell, and one or more ventilation holes are formed in the radiating shell; the heat dissipation device further comprises one or more heat pipes, the heat pipes vertically penetrate through the bottom of the protective shell, the heat absorption section of each heat pipe is located in the heat absorption cavity, and the heat release section of each heat pipe is located in the heat dissipation cavity.

Furthermore, the plurality of heat pipes are bound together to form a heat pipe assembly, and the top end and the bottom end of each heat pipe are flush.

Further, all overlap at the top heat absorption end of above-mentioned heat pipe assembly and the end of sending out the heat in the bottom and be equipped with heat-conducting component, heat-conducting component includes the muffjoint ring and connects a plurality of conducting strips in the muffjoint ring outside.

Preferably, the heat conducting sheet is any one of a silicon sheet, a graphite sheet, a metal aluminum sheet or an aluminum alloy sheet.

As the utility model discloses structural improvement still is provided with the exhaust fan on above-mentioned radiator be provided with the ventilation pipe between two heat dissipation casings in protective housing bottom, the ventilation pipe both ends communicate with the heat dissipation chamber that corresponds the side respectively, the exhaust fan sets up at the ventilation pipe lateral part.

The utility model discloses following beneficial effect has:

the utility model discloses a fill heat abstractor for electric pile power simple structure, and reasonable design, it is concrete, the mode that semiconductor refrigeration piece heat dissipation technology and heat pipe heat dissipation technology combine has been adopted in the structure, can be fast effectively with the heat transfer that produces in the power outside the electric pile is filled, and this kind of heat abstractor has better dustproof effect, can not lead to dust in the air to enter into through the louvre and fill electric pile inside, and then influence electrical components's normal work, the inside heating problem of electric pile has been filled in the greatly reduced, charging efficiency and the security of electric pile in the use have been improved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of a charging pile according to the present embodiment;

FIG. 2 is a schematic perspective view of the interior of the charging post housing of FIG. 1;

FIG. 3 is a schematic structural diagram of a heat dissipation device according to the present embodiment;

FIG. 4 is a schematic perspective view of the heat pipe of FIG. 3;

labeled as: 1. a protective housing; 2. a support pillar; 3. a power source; 4. a heat sink; 401. a heat-absorbing housing; 402. a semiconductor refrigeration sheet; 403. a heat absorption cavity; 404. a heat absorption opening; 5. a heat sink; 501. a heat dissipating housing; 502. A heat dissipation cavity; 503. a vent hole; 6. a heat pipe; 7. a heat conductive member; 701. a sleeving connection ring; 702. a heat conductive sheet; 8. an exhaust fan; 9. and a vent pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. It should also be noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and can include, for example, fixed connections, removable connections, or integral connections; the connection can be mechanical connection or circuit connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

A heat dissipation device for a charging pile power supply, as shown in fig. 1-2, has the following general structure:

the charging pile comprises an external protective shell 1 and a support column 2 arranged at the bottom of the protective shell 1, a power supply 3 is fixedly arranged on the inner side wall of the protective shell 1, and in order to ensure that the power supply 3 can dissipate heat quickly in time during working, a heat dissipation device is arranged on the charging pile and comprises heat absorbers 4 arranged on the two side parts of the power supply 3 and radiators 5 positioned at the bottom of the protective shell 1;

referring to fig. 3, the heat absorber 4 includes a heat absorbing housing 401 and a semiconductor chilling plate 402, the heat absorbing housing 401 includes a heat absorbing cavity 403 disposed inside and a heat absorbing opening 404 disposed at a side portion, the semiconductor chilling plate 402 is spaced at the heat absorbing opening 404, an outer end of the heat absorbing opening 404 is connected to a side portion of the power supply 3 (or correspondingly connected to a heat dissipating hole disposed at a side portion of the power supply 3), a heat absorbing end surface of the semiconductor chilling plate 402 is attached to the power supply 3, and a heat releasing end surface of the semiconductor chilling plate 402 faces the heat absorbing cavity 403;

the heat sink 5 comprises a heat dissipation housing 501, a heat dissipation cavity 502 is arranged in the heat dissipation housing 501, and one or more vent holes 503 are arranged on the heat dissipation housing 501;

the heat dissipation device further comprises one or more heat pipes 6, wherein the heat pipes 6 vertically penetrate through the bottom of the protective shell 1, specifically, a heat absorption section of each heat pipe 6 is located in a heat absorption cavity 403, and a heat release section of each heat pipe 6 is located in a heat dissipation cavity 502;

based on the foregoing, the working principle of the heat dissipation device is as follows: semiconductor refrigeration piece 402 circular telegram work, the heat that produces power 3 is transmitted to heat absorption chamber 403 by the heat absorption terminal surface in, the heat that 6 heat absorption ends of heat pipe absorbed in heat absorption chamber 403 conveys it to heat dissipation chamber 502 in, and heat emits through ventilation hole 503 at last, and current conventional mode then is directly setting up the louvre on filling the electric pile casing, but this kind of mode can lead to the dust in the air to enter into inside filling the electric pile casing, nevertheless the utility model discloses a heat abstractor then can not.

Further, in order to more effectively improve the heat dissipation efficiency of the heat dissipation apparatus, the plurality of heat pipes 6 are bundled together to form a heat pipe 6 assembly, as shown in fig. 4, and the top end and the bottom end of each heat pipe 6 are flush; in addition, heat conducting parts 7 are sleeved at the top heat absorbing end and the bottom heat releasing end of the heat pipe 6 assembly, each heat conducting part 7 comprises a sleeving ring 701 and a plurality of heat conducting fins 702 connected to the outer side of the sleeving ring 701, and the heat conducting fins 702 are preferably silica gel sheets, graphite sheets, metal aluminum sheets or aluminum alloy sheets; further, an exhaust fan 8 is further disposed on the heat sink 5, specifically, as shown in the figure, a ventilation pipe 9 is disposed between two heat dissipation housings 501 at the bottom of the protective housing 1, two ends of the ventilation pipe 9 are respectively communicated with the heat dissipation cavities 502 at the corresponding sides, and the exhaust fan 8 is mounted at the side of the ventilation pipe 9 for rapidly discharging or dissipating heat accumulated in the heat dissipation cavities 502.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A heat dissipation device for a power supply of a charging pile comprises a protective shell, wherein the power supply is fixedly arranged on the inner side wall of the protective shell, and the heat dissipation device is arranged on the charging pile and is characterized in that the heat dissipation device comprises heat absorbers arranged on the side parts of two sides of the power supply and a heat radiator positioned at the bottom of the protective shell, each heat absorber comprises a heat absorption shell and a semiconductor refrigeration sheet, each heat absorption shell comprises a heat absorption cavity arranged inside and a heat absorption opening arranged on the side part, the semiconductor refrigeration sheets are arranged at the heat absorption openings in a spaced mode, the outer ends of the heat absorption openings are connected with the side parts of the power supply, the heat absorption end surfaces of the semiconductor refrigeration sheets are attached to the power supply; the radiator comprises a radiating shell, a radiating cavity is arranged in the radiating shell, and one or more ventilation holes are formed in the radiating shell; the heat dissipation device further comprises one or more heat pipes, the heat pipes vertically penetrate through the bottom of the protective shell, the heat absorption section of each heat pipe is located in the heat absorption cavity, and the heat release section of each heat pipe is located in the heat dissipation cavity.

2. The charging pile power supply heat dissipation device as defined in claim 1, wherein the plurality of heat pipes are bundled together to form a heat pipe assembly, and the top end and the bottom end of each heat pipe are flush.

3. The heat dissipating device for a charging pile power supply as set forth in claim 2, wherein heat conducting members are respectively provided at the top heat absorbing end and the bottom heat releasing end of the heat pipe assembly, and the heat conducting members comprise a socket ring and a plurality of heat conducting fins connected to the outside of the socket ring.

4. The heat dissipation device for a charging pile power supply according to claim 3, wherein the heat conduction sheet is any one of a silicon sheet, a graphite sheet, a metal aluminum sheet or an aluminum alloy sheet.

5. The charging pile heat dissipation device for the power supply as recited in claim 1, wherein an exhaust fan is further arranged on the heat sink, a ventilation pipe is arranged between the two heat dissipation shells at the bottom of the protection shell, two ends of the ventilation pipe are respectively communicated with the heat dissipation cavities at the corresponding sides, and the exhaust fan is arranged at the side part of the ventilation pipe.