CN219042303U - Heat abstractor and rifle that charges - Google Patents

Abstract

The utility model relates to the technical field of charging equipment, and provides a heat dissipation device and a charging gun, wherein the heat dissipation device comprises: the device comprises a shell, a conductive terminal arranged on the shell, a heat conduction sleeve sleeved outside the conductive terminal and in heat conduction connection with the conductive terminal, an air inlet channel, an air outlet channel, a fan and a cooling air channel arranged on the heat conduction sleeve and surrounding the heat conduction sleeve; the air inlet channel, the cooling air channel and the air outlet channel are sequentially communicated; the fan is arranged in the air inlet channel or the air outlet channel.

Description

Heat abstractor and rifle that charges

Technical Field

The utility model belongs to the technical field of charging equipment, and particularly relates to a heat dissipation device and a charging gun.

Background

In modern production and life, it is often necessary to charge electromechanical devices, such as electric vehicles. In the charging process, the conductive terminal for external power supply generates heat easily in the working process, the conductive terminal is sleeved with the heat conducting sleeve in the outer side, the conductive terminal dissipates heat through the heat conducting sleeve, the heat dissipation efficiency is very low, and heat on the conductive terminal cannot be timely discharged.

Disclosure of Invention

The utility model aims to provide a heat dissipation device to solve the technical problem of low heat dissipation efficiency of a conductive terminal in the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: provided is a heat dissipating device including: the device comprises a shell, a conductive terminal arranged on the shell, a heat conduction sleeve sleeved outside the conductive terminal and in heat conduction connection with the conductive terminal, an air inlet channel, an air outlet channel, a fan and a cooling air channel arranged on the heat conduction sleeve and surrounding the heat conduction sleeve; the air inlet channel, the cooling air channel and the air outlet channel are sequentially communicated; the fan is arranged in the air inlet channel or the air outlet channel.

Further, the cooling air duct is a heat dissipation groove which is arranged on the heat conduction sleeve and surrounds the outer side surface of the heat conduction sleeve.

Further, the heat dissipation groove extends in a circumferential direction of the heat conduction sleeve.

Further, the shell is provided with a tube cavity, the heat conducting sleeve is inserted into the tube cavity, and the inner wall of the tube cavity covers the heat radiating groove.

Further, an air inlet communicated with the pipe cavity and an air outlet communicated with the pipe cavity are formed in the shell; the air inlet channel is communicated with one end of the heat dissipation groove through the air inlet, and the air outlet channel is communicated with the other end of the heat dissipation groove through the air outlet.

Further, the method further comprises the following steps: a gun body with a containing cavity; the shell is arranged in the accommodating cavity; sealing rings used for clamping between the shell and the inner wall of the accommodating cavity are arranged on the outer sides of the air inlet and the air outlet in a surrounding manner; the inner wall of the accommodating cavity at the inner side of the sealing ring is provided with a vent, and the vent on the gun body can be used for exchanging outside air with the air inlet and the air outlet.

Further, a fastener fixed to the gun body is provided on the housing inside the seal ring.

Further, the fastener is a screw; the number of the screws is plural.

Further, the outer side surface of the heat conducting sleeve is convexly provided with a plurality of radiating fins which are arranged in parallel at intervals, and annular grooves surrounding the heat conducting sleeve are formed between the adjacent radiating fins; and a partition piece for partitioning the annular groove is arranged in the annular groove, and the annular grooves on two sides of the partition piece are the heat dissipation grooves.

Further, the partition member is a wind shielding block filled in the annular groove.

Further, the number of the cooling air channels is multiple, and the cooling air channels are arranged in parallel; one end of each cooling air channel is respectively communicated with the air inlet channel, and the other end of each cooling air channel is respectively communicated with the air outlet channel.

Further, a ceramic tube is sleeved on the conductive terminal; the ceramic tube is clamped between the conductive terminal and the thermally conductive sleeve.

The utility model also provides a charging gun, comprising: the heat dissipation device.

The heat dissipation device provided by the utility model has the beneficial effects that: compared with the prior art, the heat dissipation device provided by the utility model has the advantages that the heat conduction sleeve is sleeved outside the conductive terminal, and the heat on the conductive terminal can be transferred to the heat conduction sleeve; the heat conducting sleeve is provided with a cooling air duct, and when air flow in the cooling air duct flows, heat on the heat conducting sleeve can be taken away through the cooling air duct; the cooling air duct surrounds the heat-conducting sleeve, so that different circumferential parts on the outer side face of the heat-conducting sleeve can be cooled, the cooling air duct can perform heat exchange with the heat-conducting sleeve more fully, the heat-radiating capacity of the heat-conducting sleeve is improved, and the heat-radiating capacity of the heat-conducting sleeve to the electric-conducting terminal is improved; the fan is arranged in the air inlet channel, the air inlet channel is communicated with the air outlet channel through the cooling air channel, after the fan blows air flow into the air inlet channel, the air flow flows along the cooling air channel and is discharged from the air outlet channel, and heat on the heat conducting sleeve can be taken away along with the air flow generated by the fan.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a heat dissipating device according to an embodiment of the present utility model installed in a gun body;

FIG. 2 is a schematic bottom view of a heat dissipating device according to an embodiment of the present utility model installed in a gun body;

FIG. 3 is a schematic view of section A-A of FIG. 2 (the dashed arrows indicate the flow direction of the gas flow);

FIG. 4 is a schematic view in section B-B of FIG. 3;

fig. 5 is a schematic perspective view illustrating assembly of a housing according to an embodiment of the present utility model.

Wherein, each reference sign in the figure:

1-a housing; 11-lumen; 2-conductive terminals; 3-a thermally conductive sleeve; 31-a heat sink; 32-heat sink; 33-a wind shielding block; 41-an air inlet channel; 42-cooling air duct; 43-an air outlet channel; 5-a fan; 6-ceramic tube; 7-gun body; 81-sealing rings; 82-a seal ring; 83-wind guide.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It should be noted that, in the description of the embodiments of the present application, unless otherwise indicated, "/" means or, for example, a/B may represent a or B; "and/or" herein is merely an association relationship describing an association object, and means that three relationships may exist, for example, a and/or B may mean: a exists alone, A and B exist together, and B exists alone. Wherein A and B may be singular or plural, respectively.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 5, a heat dissipating device provided by the present utility model will be described. The heat dissipating device includes: the heat conducting device comprises a shell 1, a conductive terminal 2 arranged on the shell 1, a heat conducting sleeve 3 sleeved outside the conductive terminal 2 and in heat conducting connection with the conductive terminal 2, an air inlet channel 41, an air outlet channel 43, a fan 5 and a cooling air duct 42 arranged on the heat conducting sleeve 3 and surrounding the heat conducting sleeve 3; the air inlet channel 41, the cooling air channel 42 and the air outlet channel 43 are communicated in sequence; the fan 5 is disposed in the air intake passage 41 or the air outlet passage 43.

In this way, the heat conducting sleeve 3 is sleeved outside the electric conducting terminal 2, and heat on the electric conducting terminal 2 can be transferred to the heat conducting sleeve 3; the heat conducting sleeve 3 is provided with a cooling air duct 42, and when air flow in the cooling air duct 42 flows, heat on the heat conducting sleeve 3 can be taken away through the cooling air duct 42; the cooling air duct 42 surrounds the heat conducting sleeve 3, so that parts in different circumferential directions (circumferential directions: directions of rotating around the axis of the electric conducting sleeve 3) on the outer side surface of the heat conducting sleeve 3 can be cooled, the cooling air duct 42 can perform heat exchange with the heat conducting sleeve 3 more fully, and the heat dissipation capacity of the heat conducting sleeve 3 is improved, so that the heat dissipation capacity of the heat conducting sleeve 3 to the electric conducting terminal 2 is improved; if the fan 5 is arranged in the air inlet channel 41, the air inlet channel 41 is communicated with the air outlet channel 43 through the cooling air channel 42, after the fan 5 blows air flow into the air inlet channel 41, the air flow flows along the cooling air channel 42 and is discharged from the air outlet channel 43, and heat on the heat conducting sleeve 3 can be taken away along with the air flow generated by the fan 5; if the fan 5 is arranged in the air outlet channel 43, the air inlet channel 41 is communicated with the air outlet channel 43 through the cooling air channel 42, after the fan 5 pumps air flow out of the air outlet channel 43, the air flow flows along the cooling air channel 42 and is discharged from the air outlet channel 43, and heat on the heat conducting sleeve 3 can be taken away along with the air flow generated by the fan 5.

In one embodiment, the housing 1 is made of a thermally conductive material. In one embodiment, the housing 1 is made of aluminum.

In one embodiment, the thermally conductive sleeve 3 is made of a thermally conductive material. In one embodiment, the thermally conductive sleeve 3 is made of aluminum.

In one embodiment, the air intake channel 41 may be a space, duct, or chamber through which the air supply flow passes.

In one embodiment, cooling duct 42 may be a space, duct, or chamber through which the supply air flows.

In one embodiment, the air outlet channel 43 may be a space, duct or chamber through which the supply air flows.

Further, referring to fig. 1 to 5, as an embodiment of the heat dissipating device provided by the present utility model, the cooling air duct 42 is a heat dissipating groove 31 disposed on the heat conducting sleeve 3 and surrounding the outer surface of the heat conducting sleeve 3. In this way, the cooling duct 42 through which the air flows can be formed by forming the heat dissipation groove 31 on the outer side surface of the heat conduction sleeve 3, which is very convenient.

Further, referring to fig. 1 to 5, as an embodiment of the heat dissipating device provided by the present utility model, the heat dissipating groove 31 extends along the circumferential direction of the heat conducting sleeve 3. In this way, the air flow flows along the heat dissipation grooves 31 to cool the heat conduction sleeve 3 in the circumferential direction.

Further, referring to fig. 1 to 5, as a specific embodiment of the heat dissipating device provided by the present utility model, the housing 1 has a cavity 11, the heat conducting sleeve 3 is inserted into the cavity 11, and the inner wall of the cavity 11 covers the heat dissipating groove 31. Therefore, when the heat conducting sleeve 3 is installed, the heat conducting sleeve 3 is only required to be inserted into the pipe cavity 11, the heat conducting sleeve is very convenient, and the inner wall of the pipe cavity 11 is covered with the heat radiating groove 31, so that air flow leakage in the heat radiating groove 31 can be reduced.

Further, referring to fig. 1 to 5, as a specific embodiment of the heat dissipating device provided by the present utility model, an air inlet communicating with the lumen 11 and an air outlet communicating with the lumen 11 are provided on the housing 1; the air inlet channel 41 is communicated with one end of the heat dissipation groove 31 through an air inlet, and the air outlet channel 43 is communicated with the other end of the heat dissipation groove 31 through an air outlet. In this way, the air flow can be injected into the heat dissipation groove 31 from one end of the heat dissipation groove 31 after entering from the air inlet, and the air is exhausted from the other end of the heat dissipation groove 31 through the air outlet.

In one embodiment, the lumen 11 is sealed at both ends by sealing caps, respectively.

Further, referring to fig. 1 to 5, as a specific embodiment of the heat dissipating device provided by the present utility model, the heat dissipating device further includes: a gun body 7 with a containing cavity; the shell 1 is arranged in the accommodating cavity; the outer sides of the air inlet and the air outlet are annularly provided with sealing rings 81 used for clamping between the shell 1 and the inner wall of the accommodating cavity; the inner wall of the accommodating cavity on the inner side of the sealing ring 81 is provided with a vent, and the vent on the gun body 7 can be used for exchanging external air with the air inlet and the air outlet. So, sealing washer 81 centre gripping is between casing 1 and holding intracavity wall, and sealing washer 81 can prevent that the clearance pollutant from entering into air intake or air outlet between casing 1 and the holding intracavity wall in, and the vent on the rifle body 7 can supply the gaseous exchange between external gas and air intake and the air outlet.

Further, referring to fig. 1 to 5, as an embodiment of the heat dissipating device provided by the present utility model, a fastener fixed to the gun body 7 is provided on the housing 1 inside the sealing ring 81. Thus, the gun body 7 and the sealing ring 81 are locked by a fastener to keep the sealing ring 81 tightly clamped between the shell 1 and the inner wall of the accommodating cavity for sealing; the fastener is connected to the shell 1 at the inner side of the sealing ring 81, which is favorable for sealing the sealing ring 81 and reduces the occupation of the space at the outer side of the sealing ring 81.

Further, referring to fig. 1 to 5, as a specific embodiment of the heat dissipating device provided by the present utility model, the fastener is a screw; the number of screws is plural. In this way, a plurality of screws can promote the strength of connection between the housing 1 and the gun body 7.

Further, referring to fig. 1 to 5, as a specific embodiment of the heat dissipating device provided by the present utility model, the outer side surface of the heat conducting sleeve 3 is convexly provided with a plurality of heat dissipating fins 32 arranged in parallel at intervals, and annular grooves surrounding the heat conducting sleeve 3 are formed between adjacent heat dissipating fins 32; a partition member for partitioning the annular groove is arranged in the annular groove, and the annular grooves on two sides of the partition member are heat dissipation grooves 31. In this manner, the parallel spaced fins 32 may enhance heat dissipation capacity; the annular groove is partitioned into strip-shaped heat dissipation grooves 31 by the partition pieces, so that air flows in one direction, and the air flows along the heat dissipation grooves 31 conveniently and takes away heat.

Further, referring to fig. 1 to 5, as an embodiment of the heat dissipating device provided by the present utility model, the partition member is a wind shielding block 33 filled in the annular groove. Therefore, the colloid is clamped and poured into the annular groove, and the device is very convenient.

In one embodiment, the wind block 33 is a glue block.

In one embodiment, the glue block is a sealant.

Further, referring to fig. 1 to 5, as a specific embodiment of the heat dissipating device provided by the present utility model, the number of cooling air channels 42 is plural, and the plural cooling air channels 42 are arranged in parallel; one end of each cooling air duct 42 is respectively communicated with the air inlet channel 41, and the other end of each cooling air duct 42 is respectively communicated with the air outlet channel 43.

In one embodiment, the casing 1 is provided with an air guide 83, and the air flow of the ventilation opening guides the air in the air inlet channel 41 to different cooling air channels 42 through the air guide 83.

Further, referring to fig. 1 to 5, as a specific embodiment of the heat dissipating device provided by the present utility model, a ceramic tube 6 is sleeved on the conductive terminal 2; the ceramic tube 6 is clamped between the electrically conductive terminal 2 and the thermally conductive sleeve 3. Thus, the ceramic tube 6 has good heat conduction performance, and the heat on the conductive terminal 2 can be transferred to the heat conduction sleeve 3 through the ceramic tube 6; the ceramic tube 6 has good insulating property and avoids electric leakage.

In one embodiment, two ends of the ceramic tube 6 are respectively located outside the heat conducting sleeve 3, and sealing rings 82 are respectively sleeved on the ceramic tube 6 at two sides of the heat conducting sleeve 3, and the sealing rings 82 can seal a gap between the ceramic tube 6 and the inner wall of the tube cavity 11.

Referring to fig. 1 to 5, the present utility model further provides a charging gun, including: a heat sink. In this way, the cable can be powered externally through the conductive terminal 2; due to the adoption of the heat dissipation device, the heat conduction sleeve 3 is sleeved outside the electric conduction terminal 2, and heat on the electric conduction terminal 2 can be transferred to the heat conduction sleeve 3; the heat conducting sleeve 3 is provided with a cooling air duct 42, and when air flow in the cooling air duct 42 flows, heat on the heat conducting sleeve 3 can be taken away through the cooling air duct 42; because the cooling air duct 42 surrounds the heat conducting sleeve 3, different circumferential parts on the outer side surface of the heat conducting sleeve 3 can be cooled, the cooling air duct 42 can more fully exchange heat with the heat conducting sleeve 3, and the heat dissipation capacity of the heat conducting sleeve 3 is improved, so that the heat dissipation capacity of the heat conducting sleeve 3 to the electric conducting terminal 2 is improved; if the fan 5 is arranged in the air inlet channel 41, the air inlet channel 41 is communicated with the air outlet channel 43 through the cooling air channel 42, after the fan 5 blows air flow into the air inlet channel 41, the air flow flows along the cooling air channel 42 and is discharged from the air outlet channel 43, and heat on the heat conducting sleeve 3 can be taken away along with the air flow generated by the fan 5; if the fan 5 is arranged in the air outlet channel 43, the air inlet channel 41 is communicated with the air outlet channel 43 through the cooling air channel 42, after the fan 5 pumps air flow out of the air outlet channel 43, the air flow flows along the cooling air channel 42 and is discharged from the air outlet channel 43, and heat on the heat conducting sleeve 3 can be taken away along with the air flow generated by the fan 5.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims (13)

1. Heat abstractor, its characterized in that includes: the device comprises a shell, a conductive terminal arranged on the shell, a heat conduction sleeve sleeved outside the conductive terminal and in heat conduction connection with the conductive terminal, an air inlet channel, an air outlet channel, a fan and a cooling air channel arranged on the heat conduction sleeve and surrounding the heat conduction sleeve; the air inlet channel, the cooling air channel and the air outlet channel are sequentially communicated; the fan is arranged in the air inlet channel or the air outlet channel.

2. The heat dissipating device of claim 1, wherein said cooling air channel is a heat dissipating groove provided on said heat conducting sleeve and surrounding an outer side surface of said heat conducting sleeve.

3. The heat dissipating device of claim 2, wherein the heat dissipating groove extends in a circumferential direction of the heat conducting sleeve.

4. The heat dissipating device of claim 2, wherein said housing has a lumen, said thermally conductive sleeve being inserted within said lumen, said lumen inner wall covering said heat dissipating slot.

5. The heat dissipating device of claim 4, wherein said housing is provided with an air inlet communicating with said lumen and an air outlet communicating with said lumen; the air inlet channel is communicated with one end of the heat dissipation groove through the air inlet, and the air outlet channel is communicated with the other end of the heat dissipation groove through the air outlet.

6. The heat sink as recited in claim 5, further comprising: a gun body with a containing cavity; the shell is arranged in the accommodating cavity; sealing rings used for clamping between the shell and the inner wall of the accommodating cavity are arranged on the outer sides of the air inlet and the air outlet in a surrounding manner; the inner wall of the accommodating cavity at the inner side of the sealing ring is provided with a vent, and the vent on the gun body can be used for exchanging outside air with the air inlet and the air outlet.

7. The heat dissipating device of claim 6, wherein a fastener is provided on said housing inside said seal ring that is secured to said gun body.

8. The heat sink of claim 7, wherein the fastener is a screw; the number of the screws is plural.

9. The heat dissipating device of claim 2, wherein the outer side surface of said heat conducting sleeve is convexly provided with a plurality of heat dissipating fins arranged in parallel at intervals, and annular grooves surrounding said heat conducting sleeve are formed between adjacent heat dissipating fins; and a partition piece for partitioning the annular groove is arranged in the annular groove, and the annular grooves on two sides of the partition piece are the heat dissipation grooves.

10. The heat dissipating device of claim 9, wherein said partition is a weather block filled in said annular groove.

11. The heat dissipating device of claim 1, wherein a plurality of said cooling air channels are provided in a plurality, said plurality of cooling air channels being arranged in parallel; one end of each cooling air channel is respectively communicated with the air inlet channel, and the other end of each cooling air channel is respectively communicated with the air outlet channel.

12. The heat dissipating device of claim 1, wherein said conductive terminal is sleeved with a ceramic tube; the ceramic tube is clamped between the conductive terminal and the thermally conductive sleeve.

13. Charging gun, its characterized in that includes: the heat dissipating device of any of claims 1 to 12.

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