CN209963940U

CN209963940U - Power adapter with cooling device

Info

Publication number: CN209963940U
Application number: CN201920760447.7U
Authority: CN
Inventors: 曾炜
Original assignee: Shenzhen Hui Ying Letter Electronics Co Ltd
Current assignee: Shenzhen Hui Ying Letter Electronics Co Ltd
Priority date: 2019-05-24
Filing date: 2019-05-24
Publication date: 2020-01-17
Anticipated expiration: 2029-05-24

Abstract

The utility model relates to a power adapter with a cooling device, which comprises a power adapter body and a cooling device, wherein the front end and the rear end of the power adapter body are respectively provided with a current input end and a current output end, the power adapter body comprises a shell and a top plate which are connected and enclosed to form a closed box body, the side surface and the bottom surface of the shell are provided with heat radiating fins, the protective shell comprises a bottom plate, a left side plate and a right side plate which are vertically formed along the two sides of the bottom plate, the protective shell is arranged outside the shell and forms a U-shaped heat radiating channel with the heat radiating fins on the shell, the cooling device comprises a left fixing frame, a right fixing frame and a fan, the left fixing frame and the right fixing frame are arranged on the protective shell and the top plate, the fan is arranged in the fixing frames, and the heat exchange is carried out between the shell and the radiating fins, so that the air cooling radiation is carried out on the power adapter, and the normal work of the adapter is ensured.

Description

Power adapter with cooling device

Technical Field

The utility model relates to a power adapter, concretely relates to take cooling device's power adapter.

Background

The power adapter is a power supply conversion device of small-sized electronic equipment, generally converts input alternating current into direct current for output, but the conventional power adapter can generate more heat in the current conversion process, and the natural cooling effect of the power adapter is poor, so that heat accumulation is caused, and the normal work of internal circuit components of the power adapter is seriously influenced.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a power adapter with a cooling device to solve the problem of poor natural cooling of the power adapter, so that the power adapter can be cooled and dissipated, and the working temperature of the power adapter can be reduced.

A power adapter with a cooling device comprises a power adapter body, the cooling device and a protective shell, wherein the front end and the rear end of the adapter body are respectively provided with a current input end and a current output end, the power adapter body comprises a shell and a top plate which is covered on the top surface of the shell and mutually enclosed to form a closed box body, the side surface and the bottom surface of the shell are provided with a plurality of radiating fins, the protective shell is arranged outside the shell and comprises a bottom plate and a left side plate and a right side plate which are vertically formed along the two sides of the bottom plate, a plurality of air inlet channels are formed between the left side plate and the plurality of radiating fins of the shell, a plurality of intermediate channels are formed between the bottom plate and the plurality of radiating fins of the shell, a plurality of air outlet channels are formed between the right side plate and the plurality of radiating fins of the shell, each air inlet channel is sequentially communicated with the, cooling device includes left mount, right mount, hair-dryer and air exhauster, left side mount is installed inlet air intake channel's entrance, right side mount is installed the exit of air-out passageway, the hair-dryer is installed in left mount, the air exhauster is installed in the right side mount.

Preferably, a plurality of air ducts are arranged in the left fixing frame and the right fixing frame, the air ducts are communicated with the heat dissipation channel, a stepped air duct opening is formed in one end, far away from the top plate, of each air duct, and the blower and the exhaust fan are welded on the air duct opening.

Preferably, the left fixing frame, the right fixing frame, the top plate and the protective shell are provided with bolt holes, and the left fixing frame and the right fixing frame are fixed on the top plate and the protective shell through bolts.

Preferably, the inner surface of the shell is provided with a heat-conducting insulating ceramic sheet.

Preferably, the housing and the heat dissipation fins are made of aluminum, and the top plate and the protective case are made of plastic.

Preferably, the surface of the shell and the surface of the radiating fin are subjected to anodic treatment.

Preferably, the heat dissipation fins are wavy.

The utility model discloses an useful part lies in: 1. a cooling device is arranged outside the body of the power adapter, and the working temperature of the power adapter is reduced in an air-cooling heat dissipation mode, so that the normal work of the power adapter is ensured; 2. the shell of the power adapter body is matched with the protective shell to form a heat dissipation channel, the cooling device is arranged on the top plate of the power adapter body, and the shell and the protective shell are connected through the cooling device, so that the size of the cooling device is reduced, the assembly is simple and convenient, and the cost is low; 3. the heat dissipation is directly carried out through the heat dissipation fins on the shell of the power adapter body, the heat conduction insulating ceramic sheet is arranged on the inner side of the shell, the electric leakage is prevented, the heat transfer efficiency is improved, and the shell and the heat dissipation fins are both made of aluminum materials, so that the heat dissipation effect of the cooling device is further improved; 4. the cooling device is respectively provided with an exhaust fan and a blower, and high-speed cooling gas is formed in the heat dissipation channel, so that the heat dissipation effect is improved.

Drawings

FIG. 1 is an exploded view of a power adapter with a cooling device according to an embodiment;

FIG. 2 is a perspective view of the left or right fixing frame of FIG. 1;

FIG. 3 is an assembled perspective view of the power adapter body and the protective shell of FIG. 1;

FIG. 4 is an assembled top view of the power adapter body and the protective shell of FIG. 3;

FIG. 5 is a sectional view taken along line A-A of FIG. 4;

FIG. 6 is a sectional view taken along line B-B of FIG. 4;

fig. 7 is a side view of the housing of fig. 1.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 3, a power adapter with a cooling device includes a power adapter body 1, a cooling device 2 and a protective shell 3, a current input terminal 100 and a current output terminal 200 are respectively disposed at front and rear ends of the power adapter body 1, the power adapter body 1 includes a shell 11 and a top plate 12 covering a top surface of the shell 11 and mutually enclosing to form a sealed box, a plurality of heat dissipation fins 111 are disposed on side surfaces and a bottom surface of the shell 11, the protective shell 3 is disposed outside the shell 11 and includes a bottom plate 31, a left side plate 32 and a right side plate 33 vertically formed along two sides of the bottom plate, a plurality of air inlet channels 41 are formed between the left side plate 32 and the plurality of heat dissipation fins 111 of the shell 11, a plurality of intermediate channels 42 are formed between the bottom plate 31 and the plurality of heat dissipation fins 111 of the shell 11, a plurality of air outlet channels 43 are formed between the right side plate and the plurality of heat dissipation fins 111 of the shell 11, each The passage 4 and the cooling device 2 comprise a left fixing frame 21, a right fixing frame 22, a blower 23 and an exhaust fan 24, the left fixing frame 21 is installed at an inlet of the air inlet passage 41, the right fixing frame 22 is installed at an outlet of the air outlet passage 43, the blower 23 is installed in the left fixing frame 21, and the exhaust fan 24 is installed in the right fixing frame 22. Specifically, the heat dissipation fins 111 are arranged on the side face and the bottom face of the shell 11 of the power adapter, then the heat dissipation fins 111 and the protective shell 3 arranged on the outer side of the shell 11 are matched to form the U-shaped heat dissipation channel 4, meanwhile, the top plate 12 and the protective shell 3 are provided with the left fixing frame 21 and the right fixing frame 22, the protective shell 3 and the shell 11 are directly connected into a whole through the left fixing frame 21 and the right fixing frame 22, other connecting pieces do not need to be additionally arranged, and the assembling cost is reduced. And, there is a blower 23 on the left fixed mount 21, there is a suction fan 24 on the right fixed mount 22, the blower 23 cooperates with the suction fan 24 to produce cooling air, the cooling air flows through the air inlet channel 41, the heat dissipation channel 4 formed by the middle channel 42 and the air outlet channel 43, and exchanges heat with the heat dissipation fins 111 and the housing 11, thereby cooling and dissipating heat for the power adapter.

As shown in fig. 2, a plurality of air ducts 25 are arranged in the left fixing frame 21 and the right fixing frame 22, the air ducts 25 are communicated with the heat dissipation channel 4, a stepped air duct opening 251 is arranged at one end of each air duct 25 far away from the top plate 12, and the blower 23 and the exhaust fan 24 are welded on the air duct opening 251. Specifically, the air duct 25 in the left fixing frame 21 is communicated with the air inlet channel 41, the air duct 25 in the right fixing frame 22 is communicated with the air outlet channel 43, and the air duct 25 is arranged in the fixing frame, so that cooling air generated by the blower 23 can be prevented from overflowing, and cannot completely enter the heat dissipation channel 4, and the cooling effect is reduced.

As shown in fig. 1 to 3, the left fixing frame 21, the right fixing frame 22, the top plate 12 and the protective shell 3 are provided with bolt holes 51, and the left fixing frame 21 and the right fixing frame 22 are fixed on the top plate 12 and the protective shell 3 by bolts 5. Specifically, after the bolt 5 penetrates through the bolt holes 51 in the left fixing frame 21 and the right fixing frame 22, the left fixing frame 21 and the right fixing frame 22 are finally fixed on the top plate 12 and the protective shell 3, the left fixing frame 21 and the right fixing frame 22 can be fixed through the bolt 5, the protective shell 3 and the adapter body 1 are connected through the left fixing frame 21 and the right fixing frame 22, other connecting pieces do not need to be additionally arranged, and the assembling difficulty and the assembling cost are reduced.

As shown in fig. 1 to 5, a heat conducting insulating ceramic sheet 112 is disposed on the inner surface of the housing 11. Specifically, the power adapter can be prevented from leaking electricity, and the heat conduction effect of the housing 11 can be improved.

As shown in fig. 1 to 5, the housing 11 and the heat dissipating fins 111 are made of aluminum, and the top plate 12 and the protective case 3 are made of plastic. Specifically, the aluminum casing 11 and the heat dissipation fins 111 can further improve the heat conduction effect, the heat conduction insulating ceramic sheet 112 is disposed on the inner surface of the aluminum casing 11 to prevent electric leakage, and the protective casing 3 and the top plate 12 are made of plastic materials and can also serve as an outer layer for protection.

As shown in fig. 1 to 5, the surface of the housing 11 and the surface of the heat sink 111 are anodized. Specifically, an aluminum electrolysis process is adopted, so that oxide films are formed on the surfaces of the aluminum shell 11 and the radiating fins 111, and the heat radiation performance is improved.

As shown in fig. 1 to 6, the heat dissipation fins 111 are wavy. Specifically, compared with the conventional strip-shaped heat dissipation fins, the wavy heat dissipation fins 111 can enlarge the heat dissipation area and improve the heat dissipation effect.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a take cooling device's power adapter, includes power adapter body, cooling device and protective housing, its characterized in that: the power adapter comprises a shell and a cover, wherein the top plate of the top surface of the shell is enclosed with the shell to form a closed box body, a plurality of radiating fins are arranged on the side surface and the bottom surface of the shell, a protective shell is arranged outside the shell and comprises a bottom plate, a left side plate and a right side plate which are vertically formed along the two sides of the bottom plate, a plurality of air inlet channels are formed between the left side plate and the plurality of radiating fins of the shell, a plurality of intermediate channels are formed between the bottom plate and the plurality of radiating fins of the shell, a plurality of air outlet channels are formed between the right side plate and the plurality of radiating fins of the shell, each air inlet channel and the corresponding intermediate channel and the corresponding air outlet channel are sequentially communicated with each other to form a U-shaped radiating channel, and the cooling device comprises a left fixing frame, a current input, Right side mount, hair-dryer and air exhauster, left side mount is installed inlet air intake channel's entrance, right side mount is installed the exit of air-out passageway, the hair-dryer is installed in left mount, the air exhauster is installed in the right side mount.

2. The power adapter with cooling device as claimed in claim 1, wherein: a plurality of air channels are arranged in the left fixing frame and the right fixing frame, the air channels are communicated with the heat dissipation channel, one end, far away from the top plate, of each air channel is provided with a stepped air channel opening, and the blower and the exhaust fan are welded on the air channel openings.

3. The power adapter with cooling device as claimed in claim 2, wherein: the left fixing frame, the right fixing frame, the top plate and the protective shell are provided with bolt holes, and the left fixing frame and the right fixing frame are fixed on the top plate and the protective shell through bolts.

4. A power adapter with cooling device as claimed in claim 3, wherein: and the inner surface of the shell is provided with a heat-conducting insulating ceramic sheet.

5. The power adapter with cooling device as claimed in claim 4, wherein: the shell and the radiating fins are made of aluminum, and the top plate and the protective shell are made of plastic.

6. The power adapter with cooling device as claimed in claim 5, wherein: and carrying out anodic treatment on the surface of the shell and the surface of the radiating fin.

7. The power adapter with cooling device as claimed in claim 1, wherein: the radiating fins are wavy.