CN218721329U

CN218721329U - Novel waterproof heat dissipation apron and power shell

Info

Publication number: CN218721329U
Application number: CN202222971996.3U
Authority: CN
Inventors: 陈世杰; 程宇; 朱金玉
Original assignee: Suzhou Yigong Power Technology Co ltd
Current assignee: Suzhou Yigong Power Technology Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-03-24
Anticipated expiration: 2032-11-08

Abstract

The utility model provides a novel waterproof heat-dissipation cover plate, which comprises a base plate; a plurality of seal grooves provided on a lower end surface of the substrate; a plurality of heat dissipation ridges disposed on an upper end surface of the substrate; the sliding grooves are arranged on two sides of the lower end face of the base plate; and the screw holes are arranged on two sides of the lower end surface of the substrate and are arranged close to the outer side of the sliding groove. The utility model also provides a novel power supply shell, which comprises a main shell body; the novel waterproof heat-dissipation cover plate is connected with the upper end of the main shell; the input end cover is connected with the left side end of the main shell; the output end cover is connected with the right side end of the main shell; the main casing body, the novel waterproof heat dissipation cover plate, the input end cover and the output end cover jointly form a closed rectangular hollow casing. The utility model discloses can effectively avoid the apron deformation problem because of the sealed inflation of heat conduction brings, can prevent that moisture from getting into the power inside, the leakproofness of reinforcing shell improves the radiating efficiency to improve the life of power.

Description

Novel waterproof heat dissipation apron and power shell

Technical Field

The utility model relates to a LED drive power supply technical field, specificly relate to a novel waterproof heat dissipation apron and power shell.

Background

The waterproof of the LED driving power supply is a difficult problem in the power supply industry, and the existing coping method is as follows: and heat-conducting sealant is filled and sealed in the shell of the LED driving power supply, and the heat-conducting sealant is utilized to realize the sealing and waterproof effects.

However, the above method has many problems: on one hand, the LED driving power supply generates high temperature when being electrified, the high temperature easily enables the heat-conducting sealant to expand, so that an aluminum power supply shell combined with the heat-conducting sealant is pushed, deformation occurs to a combined part, and when the LED driving power supply stops working, the heat-conducting sealant is cooled and shrunk, and an air gap occurs at the deformed part; when the LED driving power supply works again, water vapor or water contained in the air gap can enter the power supply from the gap, so that components are corroded, the insulation resistance is reduced, and the complete damage is finally caused due to the fault. On the other hand, electronic components in the power supply generate heat during working, a large amount of heat is generated, the contact area between the poured heat-conducting sealant and the aluminum shell is small, the heat dissipation efficiency is low, heat cannot be conducted effectively in time, and the service life of the power supply can be influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's defect, provide a novel waterproof heat dissipation apron and have power shell of this apron.

In order to achieve the above objects and other objects, the present invention is achieved by the following technical solutions: the utility model provides a novel waterproof heat dissipation apron, its characterized in that includes: a substrate; a plurality of seal grooves provided on a lower end surface of the substrate; a plurality of heat dissipation ridges disposed on an upper end surface of the substrate; the sliding grooves are arranged on two sides of the lower end face of the base plate; and the screw holes are arranged on two sides of the lower end surface of the substrate and are arranged close to the outer side of the sliding groove.

In one embodiment, the sealing grooves are uniformly spaced.

In one embodiment, the sealing groove is a semicircular groove.

In one embodiment, the distance between every two sealing grooves is equal to the diameter of the sealing groove.

In one embodiment, a plurality of the heat dissipation ridges are uniformly spaced.

In one embodiment, the distance between every two heat dissipation ridges is equal to the width of the heat dissipation ridges.

In one embodiment, the height of the heat dissipation ridge is 1 to 4 times the height of the substrate.

In an embodiment, the arrangement positions of the heat dissipation ridges correspond to the arrangement positions of the sealing grooves one to one.

The utility model also provides a novel power shell, a serial communication port, include: a main housing; the novel waterproof heat-dissipation cover plate is connected with the upper end of the main shell; the input end cover is connected with the left end of the main shell and the lower end of the novel waterproof heat-dissipation cover plate; the output end cover is connected with the right side end of the main shell and the lower end of the novel waterproof heat dissipation cover plate; the main casing body, the novel waterproof heat dissipation cover plate, the input end cover and the output end cover jointly form a closed rectangular hollow casing.

In one embodiment, an insulation sheet is fixedly connected to the lower end face of the main housing, and the insulation sheet is a mylar sheet.

Compared with the prior art, the utility model, following beneficial effect has:

1. the sealing groove can contain heat-conducting sealant which expands due to heating in the LED driving power supply, so that the problem of cover plate deformation caused by expansion of the heat-conducting sealant is effectively solved, the sealing groove can be mutually extruded with the heat-conducting sealant, air in the sealing groove can be discharged in an assisted manner, moisture is prevented from entering the inside of the power supply, and the sealing property of the shell is greatly enhanced;

2. the design of the sealing groove enables the heat-conducting sealant in the LED driving power supply to be completely embedded with the cover plate, so that the contact area between the cover plate and the heat-conducting sealant is increased, and the heat dissipation efficiency is improved;

3. the arrangement of the heat dissipation ridges further increases the heat dissipation area of the cover plate, improves the heat dissipation efficiency of the cover plate, and is beneficial to avoiding the damage of the LED driving power supply caused by overhigh temperature.

Drawings

Fig. 1 shows a schematic perspective view of the novel power supply housing of the present invention.

Fig. 2 shows a schematic perspective view of a novel waterproof heat-dissipating cover plate of the present invention.

Fig. 3 is a schematic side view showing a connection state between the novel waterproof heat-dissipating cover plate and the main housing of the present invention.

Fig. 4 is a schematic perspective view of the main housing in the novel power supply housing of the present invention.

Fig. 5 is a schematic perspective view of an output end cap in a novel power supply housing according to the present invention.

Detailed Description

Please refer to fig. 1 to 5. The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will be readily apparent to those skilled in the art from the disclosure herein.

It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. Meanwhile, the terms such as "front", "rear", "upper", "lower", "left", "right" and "one" used in the present specification are for convenience of description, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof may be made without substantial technical changes, and the scope of the present invention may be considered as the scope of the present invention.

As shown in fig. 1, the present invention provides a novel power supply housing 100, which comprises a main housing 110, a novel waterproof heat-dissipating cover plate 120, an input end cap 130 and an output end cap 140. The novel waterproof heat-dissipation cover plate 120 is connected with the upper ends of the main shell 110, the input end cover 130 and the output end cover 140; the input end cap 130 is connected with the left end of the main housing 110; the output end cap 140 is connected to the right side end of the main housing 110; the main casing 110, the novel waterproof heat dissipation cover plate 120, the input end cover 130 and the output end cover 140 jointly form a closed rectangular hollow casing, and a PCB board (not shown in the figure) is placed inside the novel power supply casing 100 and is filled with heat conduction sealant (not shown in the figure).

As shown in fig. 2 and fig. 3, the novel waterproof heat-dissipating cover plate 120 includes a substrate 121 and a sealing groove 122, and the sealing groove 122 is disposed on the lower end surface of the substrate 121, the sealing groove 122 may be a semicircular groove for accommodating a heat-conducting sealant expanding when heated, so as to ensure that the heat-conducting sealant is in seamless attachment with the novel waterproof heat-dissipating cover plate 120 when the LED driving power supply normally operates. Further, the plurality of seal grooves 122 are uniformly spaced. Specifically, the distance between every two sealing grooves 122 may be equal to the diameter of the sealing groove 122.

When LED drive power supply circular telegram produced high temperature, sealed glue of heat conduction pouring can take place the inflation and fill up in novel power shell 100 the seal groove 122 can effectively avoid sealed glue inflation of heat conduction to bring novel waterproof heat dissipation apron 120 warp the problem, and seal groove 122 can assist the discharge with sealed mutual extrusion of heat conduction air in the seal groove 122 to prevent LED drive power supply normal during operation, inside novel waterproof heat dissipation apron 120 and the sealed glue of heat conduction carried moisture entering LED drive power supply, cause its damage. Meanwhile, after the heat-conducting sealant expands and fills the sealing groove 122, the contact area between the heat-conducting sealant and the novel waterproof heat-dissipation cover plate 120 can be increased, and the heat-dissipation efficiency is improved.

As shown in fig. 3, the novel waterproof heat dissipation cover plate 120 further includes heat dissipation ridges 123, the heat dissipation ridges 123 are disposed on the upper end surface of the substrate 121, and the heat dissipation ridges 123 are disposed at regular intervals. Specifically, the distance between every two heat dissipation ridges 123 may be equal to the width d of the heat dissipation ridges 123; the height h of the heat dissipation ridge 123 may be 1 to 4 times, for example, 2 and 4 times, the height of the substrate 121. The arrangement of the heat dissipation ridge 123 increases the contact area between the novel waterproof heat dissipation cover plate 120 and the air outside the LED driving power supply, which helps to further improve the heat dissipation efficiency of the novel waterproof heat dissipation cover plate 120.

Further, the arrangement position of the heat dissipation ridge 123 may correspond to the arrangement position of the sealing groove 122 one to one, which is helpful for the heat conduction of the heat conduction sealant in the sealing groove 122 to the heat dissipation ridge 123, so as to further improve the heat dissipation efficiency.

As shown in fig. 3, both sides of the lower end surface of the base plate 121 are further provided with a screw hole 124 and a sliding groove 125, the shape of the sliding groove 125 matches with the upper end of the main housing 110, and the screw hole 124 is disposed closely to the outer side of the sliding groove 125. The novel waterproof heat-dissipating cover plate 120 is connected to the upper end of the main housing 110 through the sliding groove 125, and please refer to fig. 1, the novel waterproof heat-dissipating cover plate 120 is fixed to the main housing 110, the input end cap 130 and the output end cap 140 through the screw hole 124.

Referring to fig. 3 and 4, the main shell 110 is shaped like a u, and has a plurality of heat dissipating ridges 111 on the front and rear outer sides, and screw guides 112 for screwing the input end cap 130 and the output end cap 140 on the middle and lower ends of the front and rear outer sides. The upper end surface of the bottom of the main housing 110 is further provided with a blind stud 113 for fixedly connecting a PCB board.

Further, an insulating sheet (not shown in the figure) is fixedly connected to the lower end surface of the main housing 110, for example, a mylar sheet, and the insulating sheet can be used for insulating and protecting the PCB board when the LED driving power supply normally works.

As shown in fig. 5, the input end cap 130 is provided with a U-shaped input slot 131 for receiving a wire to pass through, and a screw hole 132 for screwing the main housing 110 and the novel waterproof heat-dissipating cover plate 120.

Referring back to fig. 1, the output end cap 140 is provided with a U-shaped output slot 141 for allowing a wire to pass therethrough, and a screw hole 142 for screwing the main housing 110 and the novel waterproof heat-dissipating cover plate 120.

In conclusion, the utility model has simple structure and convenient assembly, can effectively avoid the problem of cover plate deformation caused by the expansion of the heat-conducting sealant, is helpful to prevent moisture from entering the inside of the power supply, and improves the overall sealing performance of the shell; the heat dissipation efficiency of the shell can be improved, and the service life of the power supply is prolonged.

Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value. The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention shall be covered by the claims of the present invention.

Claims

1. The utility model provides a novel waterproof heat dissipation apron, its characterized in that includes:

a substrate;

a plurality of seal grooves provided on a lower end surface of the substrate;

a plurality of heat dissipation ridges disposed on an upper end surface of the substrate;

the sliding grooves are arranged on two sides of the lower end face of the base plate;

and the screw holes are arranged on two sides of the lower end surface of the substrate and are arranged close to the outer side of the sliding groove.

2. The novel waterproof heat-dissipation cover plate of claim 1, wherein the sealing grooves are uniformly spaced.

3. The novel waterproof heat-dissipating cover plate of claim 2, wherein the sealing groove is a semicircular groove.

4. The novel waterproof heat-dissipation cover plate of claim 3, wherein the distance between every two sealing grooves is equal to the diameter of the sealing groove.

5. The novel waterproof heat-dissipation cover plate of claim 1, wherein a plurality of heat-dissipation ridges are uniformly spaced.

6. The new waterproof heat-dissipating cover plate of claim 4, wherein the distance between every two heat-dissipating ridges is equal to the width of the heat-dissipating ridges.

7. The novel waterproof heat-dissipation cover plate of claim 5, wherein the height of the heat-dissipation ridge is 1-4 times the height of the base plate.

8. The novel waterproof heat-dissipation cover plate of claim 1, wherein the heat-dissipation ridges are arranged at positions corresponding to the sealing grooves one by one.

9. A novel power supply housing, comprising:

a main housing;

a novel waterproof heat-dissipating cover plate as claimed in any one of claims 1 to 8, connected to the upper end of the main housing;

the input end cover is connected with the left side end of the main shell and the lower end of the novel waterproof heat-radiating cover plate;

the output end cover is connected with the right side end of the main shell and the lower end of the novel waterproof heat dissipation cover plate;

the main casing body, novel waterproof heat dissipation apron, input end cover and output end cover form the hollow casing of confined rectangle jointly.

10. The novel power supply housing according to claim 9, wherein an insulating sheet is fixedly connected to the lower end surface of the main housing, and the insulating sheet is mylar sheet.