CN215826505U

CN215826505U - Heat radiator for direct current fills electric pile

Info

Publication number: CN215826505U
Application number: CN202121908753.4U
Authority: CN
Inventors: 龚从秋; 孙鹏; 李凯; 谭诗亮
Original assignee: Chengdu Honghai Electric Co ltd
Current assignee: Chengdu Honghai Electric Co ltd
Priority date: 2021-08-13
Filing date: 2021-08-13
Publication date: 2022-02-15
Anticipated expiration: 2031-08-13

Abstract

The utility model provides a heat dissipation device of a direct current charging pile, which comprises a shell placed on a foundation, wherein cooling pits are arranged on the foundation and distributed below the shell; a first through hole penetrates through a bottom plate of the shell and is communicated with an inner cavity of the shell and the cooling pit, a spiral coil is arranged in the cooling pit, the inlet end of the spiral coil extends out of the foundation and is communicated with the external space, and the outlet end of the spiral coil is communicated with the first through hole; the fan is arranged at one end, close to the inner cavity of the shell, of the first through hole. The charging pile shell cooling device can cool air entering the charging pile shell from an external space on the premise of no power consumption, and is high in cooling efficiency of the interior of the shell.

Description

Heat radiator for direct current fills electric pile

Technical Field

The utility model relates to the technical field of charging piles, in particular to a heat dissipation device of a direct current charging pile.

Background

The direct current fills electric pile mainly used and supplies power for new energy automobile to realize the energy storage of car, direct current fills electric pile and has the quick advantage of charging, uses extensively. In filling the electric pile use, its inside electronic components can produce more heat, if not discharge this part heat, then can lead to filling the damage of electric pile circuit.

Chinese patent publication No. CN210082976U discloses a quick charge high-efficient dc charging stake heat abstractor easy to assemble, including heat dissipation shell, heat preservation and installation guide slot, the externally mounted of heat dissipation shell has the heat preservation, and installs the installation guide slot on the inner wall of heat dissipation shell to the internally mounted of installation guide slot has the heat conduction pole, the heat conduction pole is installed on filling the electric pile casing, and the heat conduction pole is fixed on the heat conduction plate to the heat conduction plate setting is in the inside of filling the electric pile casing, install the fan on the heat dissipation shell, the installation pole is fixed on dustproof frame, the internally mounted of work groove has the work pole, the inside at the movable groove is installed to the fly leaf, the internally mounted of a function section of thick bamboo has the control lever. This high-efficient direct current of charging stake heat abstractor easy to assemble has designed the structure that has the dustproof function of heat dissipation, has solved the problem that traditional device easily piles up the dust, has designed the structure that has the installation and has dismantled the function simultaneously, has solved the inconvenient problem of maintaining the change of traditional device.

However, inside above-mentioned patent sent into the electric pile through the fan with external normal atmospheric temperature air, realized inside cooling with inside through filling the inside and outside air flow of electric pile. When the temperature of the ambient normal temperature gas is too high, the cooling efficiency of the device is very low.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide the heat dissipation device for the direct current charging pile, which can cool air entering the charging pile shell from an external space on the premise of no power consumption, and has high cooling efficiency on the interior of the shell.

The embodiment of the utility model is realized by the following technical scheme:

a heat dissipation device of a direct current charging pile comprises a shell placed on a foundation, wherein cooling pits are arranged on the foundation and distributed below the shell; a first through hole penetrates through a bottom plate of the shell and is communicated with an inner cavity of the shell and the cooling pit, a spiral coil is arranged in the cooling pit, the inlet end of the spiral coil extends out of the foundation and is communicated with the external space, and the outlet end of the spiral coil is communicated with the first through hole; the fan is arranged at one end, close to the inner cavity of the shell, of the first through hole.

According to a preferred embodiment, a buffer cover is arranged on the inner side surface of the bottom plate of the shell, and the buffer cover is arranged above the fan; and a plurality of second through holes are arranged on the side wall of the buffer cover in a penetrating manner.

According to a preferred embodiment, an annular groove is arranged on the inner side surface of the bottom plate of the shell, and the buffer cover is embedded in the annular groove; and a plurality of third through holes are arranged at the bottom of the annular groove in a penetrating manner, and the third through holes are communicated with the cooling pit and the annular groove.

According to a preferred embodiment, the top of the buffer cover is in the shape of a circular arc protruding away from the fan.

According to a preferred embodiment, an air inlet pipe is arranged on the outer wall of the shell, and a first filter screen is arranged at the inlet end of the air inlet pipe; the inlet end of the spiral coil penetrates through the side wall of the air inlet pipe and extends into the air inlet pipe.

According to a preferred embodiment, a fourth through hole penetrates through the shell, a baffle is arranged at the outlet end of the fourth through hole, a plurality of fifth through holes penetrate through the baffle, and a second filter screen is arranged at the outlet end of the fifth through hole.

According to a preferred embodiment, a plurality of the third through holes are uniformly distributed along the circumferential direction of the buffer cover.

The technical scheme of the embodiment of the utility model at least has the following advantages and beneficial effects:

the cooling pit is arranged in the deep position of the foundation, when air in the external space passes through the spiral coil, heat exchange is realized in the cooling pit so as to reduce the temperature, the heat carried by the external air is absorbed by the air in the cooling pit and the foundation, the spiral coil prolongs the flow path of the external air so that the cooling pit can be fully cooled, no power consumption is caused in the air cooling process, the energy is saved, the environment is protected, the cooled air is introduced into the inner cavity of the shell so as to realize rapid cooling, and the cooling efficiency is high.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of a portion of the structure of FIG. 1 at A;

fig. 3 is a partially enlarged schematic view of the structure at B in fig. 1.

Icon: 1-foundation, 2-spiral coil pipe, 3-cooling pit, 4-buffer cover, 5-shell, 6-baffle, 7-fourth through hole, 8-second filter screen, 9-fifth through hole, 10-air inlet pipe, 11-first filter screen, 12-second through hole, 13-annular groove, 14-third through hole, 15-first through hole and 16-fan.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually placed when the products of the present invention are used, it is only for convenience of describing the present invention and simplifying the description, but it is not intended to indicate or imply that the device or element which is referred to must have a specific orientation, be constructed in a specific orientation and be operated, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, a heat dissipation device for a dc charging pile includes a housing 5 disposed on a foundation 1, and cooling pits 3 are disposed on the foundation 1, and the cooling pits 3 are distributed below the housing 5. A first through hole 15 is arranged on the bottom plate of the shell 5 in a penetrating manner, the first through hole 15 is communicated with the inner cavity of the shell 5 and the cooling pit 3, a spiral coil 2 is arranged in the cooling pit 3, the inlet end of the spiral coil 2 extends out of the foundation 1 and is communicated with the external space, and the outlet end of the spiral coil is communicated to the first through hole 15. A fan 16 is disposed at one end of the first through hole 15 near the inner cavity of the housing 5. In this embodiment, the cooling pit 3 is located in the depth of the foundation 1, where the temperature is lower than the temperature of the external space, the fan 16 generates negative pressure at the first through hole 15 when rotating, at this time, the air in the external space can be sucked to the first through hole 15 through the spiral coil 2, when the air in the external space passes through the spiral coil 2, heat exchange is realized in the cooling pit 3, so that the temperature is reduced, and the heat carried by the external air is absorbed by the air in the cooling pit 3 and the foundation 1. The spiral coil 2 lengthens the flow path of the outside air, enabling it to be sufficiently cooled. In this embodiment, will introduce the outside air of 5 inner chambers of casing through the mode that sets up cooling pit 3 and carry out abundant natural cooling, the air cooling process does not have the consumption, and is energy-concerving and environment-protective to introduce 5 inner chambers of casing with the air after the cooling and can realize rapid cooling, cooling efficiency is high.

As shown in fig. 1 and 2, a buffer cover 4 is disposed on the inner side surface of the bottom plate of the casing 5, and the buffer cover 4 is disposed above the fan 16. The side wall of the buffer cover 4 is provided with a plurality of second through holes 12 in a penetrating manner. The buffer cover 4 can shunt the low-temperature air intensively entering the housing 5 through the second through hole 12, thereby reducing the flow rate thereof, making the air entering the interior of the housing 5 smooth, and preventing the air from impacting the electronic components.

Furthermore, an annular groove 13 is arranged on the inner side surface of the bottom plate of the shell 5, and the buffer cover 4 is embedded in the annular groove 13. The bottom of the annular groove 13 is provided with a plurality of third through holes 14 in a penetrating manner, and the third through holes 14 are communicated with the cooling pit 3 and the annular groove 13. In this embodiment, the buffer cover 4 is in the shape of a cylindrical shell 5, the top end of the buffer cover is closed, the lower end of the buffer cover is open, the annular groove 13 is in the shape of a ring, and the lower end of the buffer cover 4 is embedded in the annular groove 13. Preferably, the top of the buffer cover 4 is formed in an arc shape protruding in a direction away from the fan 16. When the temperature of the outside air is high and the humidity is high, water drops can be condensed in the cooling process, the water drops can enter the first through hole 15 along with the cooling air and then are decelerated and dispersed under the action of the buffer cover 4, the water drops adhere to the inner wall of the buffer cover 4 and gradually slide into the annular groove 13, enter the cooling pit 3 through the third through hole 14 and are absorbed by the foundation 1. The arc-shaped top is favorable for water drops to slide along the inner wall of the buffer cover 4. In order to guide the water drops into the annular groove 13, a plurality of guide grooves extending along the longitudinal direction are formed in the inner wall of the buffer cover 4, and the cross sections of the guide grooves are V-shaped. It should be noted that the amount of water droplets generated here is limited and is not sufficient to cause damage to the foundation 1. Preferably, the plurality of third through holes 14 are uniformly distributed along the circumferential direction of the buffer cover 4.

In this embodiment, in order to prevent impurities from entering the interior of the housing 5, an air inlet pipe 10 is disposed on the outer wall of the housing 5, and a first filter screen 11 is disposed at an inlet end of the air inlet pipe 10; the inlet end of the spiral coil 2 extends through the side wall of the air inlet duct 10 and into the interior thereof. The first screen 11 may filter the external air introduced into the case 5.

The shell 5 is provided with a fourth through hole 7 in a penetrating mode, the outlet end of the fourth through hole 7 is fixedly provided with a baffle 6 through screws, the baffle 6 is provided with a plurality of fifth through holes 9 in a penetrating mode, and the outlet end of the fifth through holes 9 is provided with a second filter screen 8. Here, the fourth through hole 7 and the fifth through hole 9 are used to discharge the hot air in the case 5. The second filter 8 prevents foreign substances from entering the inside of the case 5 through the fifth through-hole 9. The baffle 6 is detachable, and the second filter screen 8 is convenient to clean.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. 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. The utility model provides a heat abstractor of electric pile is filled to direct current which characterized in that: the cooling device comprises a shell (5) placed on a foundation (1), wherein cooling pits (3) are configured on the foundation (1), and the cooling pits (3) are distributed below the shell (5);

a first through hole (15) penetrates through a bottom plate of the shell (5), the first through hole (15) is communicated with an inner cavity of the shell (5) and the cooling pit (3), a spiral coil (2) is arranged in the cooling pit (3), an inlet end of the spiral coil (2) extends out of the foundation (1) and is communicated with an external space, and an outlet end of the spiral coil is communicated with the first through hole (15);

and a fan (16) is arranged at one end of the first through hole (15) close to the inner cavity of the shell (5).

2. The heat dissipation device of the direct current charging pile according to claim 1, characterized in that: a buffer cover (4) is arranged on the inner side surface of the bottom plate of the shell (5), and the buffer cover (4) is arranged above the fan (16);

the side wall of the buffer cover (4) is provided with a plurality of second through holes (12) in a penetrating mode.

3. The heat dissipation device of the direct current charging pile according to claim 2, characterized in that: an annular groove (13) is arranged on the inner side surface of the bottom plate of the shell (5), and the buffer cover (4) is embedded in the annular groove (13);

the bottom of the annular groove (13) is provided with a plurality of third through holes (14) in a penetrating mode, and the third through holes (14) are communicated with the cooling pit (3) and the annular groove (13).

4. The heat dissipation device of the direct current charging pile according to claim 3, characterized in that: the top of the buffer cover (4) is in a circular arc shape protruding towards the direction far away from the fan (16).

5. The heat dissipation device of the direct current charging pile according to claim 1, characterized in that: an air inlet pipe (10) is arranged on the outer wall of the shell (5), and a first filter screen (11) is arranged at the inlet end of the air inlet pipe (10);

the inlet end of the spiral coil (2) penetrates through the side wall of the air inlet pipe (10) and extends into the air inlet pipe.

6. The heat dissipation device of the direct current charging pile according to claim 1, characterized in that: run through on casing (5) and be provided with fourth through-hole (7), the exit end of fourth through-hole (7) disposes baffle (6), run through on baffle (6) and be provided with a plurality of fifth through-hole (9), the exit end of fifth through-hole (9) disposes second filter screen (8).

7. The heat dissipation device of the direct current charging pile according to claim 3, characterized in that: the third through holes (14) are uniformly distributed along the circumferential direction of the buffer cover (4).