CN216218402U

CN216218402U - Aluminum alloy radiating fin for household appliances

Info

Publication number: CN216218402U
Application number: CN202122498099.0U
Authority: CN
Inventors: 潘林火; 许胜杰
Original assignee: Hangzhou Fulin Electronic Technology Co ltd
Current assignee: Hangzhou Fulin Electronic Technology Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-04-05
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses an aluminum alloy radiating fin for household appliances, which comprises an aluminum alloy substrate, wherein a first through hole is formed in the bottom of the aluminum alloy substrate, the first through hole is in a circular truncated cone shape, a plurality of cavities are formed in the inner side of the first through hole, and the cross section of each cavity is gradually increased from bottom to top. By arranging the substrate, the first through hole, the cavity and the heat conducting block, the heat radiating fin can be conveniently installed, the heat radiating effect of the heat radiating fin can be improved, and the problems that the existing aluminum alloy heat radiating fin for the household appliance is poor in heat radiating performance compared with copper, is easy to deform when being used at high temperature for a long time, and cannot meet the requirement of foot household appliances on heat radiating performance are solved.

Description

Aluminum alloy radiating fin for household appliances

Technical Field

The utility model belongs to the technical field of radiating fins, and particularly relates to an aluminum alloy radiating fin for a household appliance.

Background

The current commonly used heat sink is made of copper and aluminum alloy, which have the advantages and disadvantages. Copper's heat conductivity is good, but the price is more expensive, and the processing degree of difficulty is higher, and weight is too big, and the heat capacity is less, easy oxidation moreover, and the problem that prior art exists is: the existing aluminum alloy radiating fin for household appliances has poorer heat radiating performance than copper, is easy to deform when being used at high temperature for a long time, and cannot meet the requirement of foot household appliances on heat radiating performance.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems in the prior art, the utility model provides the aluminum alloy radiating fin for the household appliance, which has the advantages of facilitating the installation of the radiating fin and improving the radiating effect of the radiating fin, and solves the problems that the existing aluminum alloy radiating fin for the household appliance has poorer radiating performance than copper, is easy to deform when used at high temperature for a long time and cannot meet the requirement of foot household appliances on the radiating performance.

The utility model is realized in such a way that the aluminum alloy radiating fin for the household appliance comprises an aluminum alloy substrate, wherein a first through hole is formed in the bottom of the aluminum alloy substrate, the first through hole is in a circular truncated cone shape, a plurality of cavities are formed in the inner side of the first through hole, and the cross section of each cavity is gradually increased from bottom to top.

Preferably, the first through hole is internally provided with a truncated cone-shaped heat conduction block, and the heat conduction block is connected with the first through hole through a heat conduction medium.

Preferably, the side wall of the substrate is provided with a second through hole, and the second through hole is internally provided with a heat conduction pipe.

Preferably, the heat conducting block is provided with a notch.

Preferably, the top and the periphery of the substrate are respectively provided with a fin.

Preferably, the outer side of the top of the base plate is provided with an annular concave part.

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

1. by arranging the substrate, the first through hole, the cavity and the heat conducting block, the heat radiating fin can be conveniently installed, the heat radiating effect of the heat radiating fin can be improved, and the problems that the existing aluminum alloy heat radiating fin for the household appliance is poor in heat radiating performance compared with copper, is easy to deform when being used at high temperature for a long time, and cannot meet the requirement of foot household appliances on heat radiating performance are solved.

2. According to the utility model, the heat conducting block is arranged and made of copper with the heat conducting performance higher than that of aluminum, the heat conducting block in the shape of the truncated cone can improve the heat conducting efficiency of the radiating fin, and the heat conducting medium is preferably heat conducting silicone grease, so that the heat conducting block can be conveniently connected with the substrate.

3. The heat conduction block is provided with at least one second through hole and the heat conduction pipe, the heat transferred by the heat conduction block can be discharged through the heat conduction pipe in the second through hole, the second through hole can be a circular pipe or a special pipe with the cross section in other shapes, and the heat conduction pipe is preferably a copper pipe, so that the heat conduction effect is further improved.

4. According to the utility model, the notch is formed in the heat conducting block, one end of the heat conducting pipe can be inserted into the notch, the heat conducting block can be fixed, the heat conducting block is prevented from falling off, and the heat on the heat conducting block can be discharged through the heat conducting pipe, so that the heat conducting effect is further improved.

5. According to the utility model, the contact area between the substrate and the external air can be increased by arranging the fins, so that the heat dissipation effect is further improved.

6. The annular concave part is arranged, so that the substrate can be conveniently fixed, and the substrate can be conveniently fixed on the household appliance.

Drawings

FIG. 1 is a schematic diagram of a structure provided by an embodiment of the present invention;

FIG. 2 is a left side view provided by an embodiment of the present invention;

fig. 3 is a cross-sectional view taken at a-a of fig. 2 in accordance with an embodiment of the present invention.

In the figure: 1. a substrate; 2. a first through hole; 3. a cavity; 4. a heat conducting block; 5. a second through hole; 6. a heat conducting pipe; 7. a notch; 8. a fin; 9. a recess.

Detailed Description

In order to further understand the contents, features and effects of the present invention, the following embodiments are illustrated and described in detail with reference to the accompanying drawings.

The structure of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 3, an aluminum alloy heat sink for home appliances according to an embodiment of the present invention includes an aluminum alloy substrate 1, a first through hole 2 is formed at a bottom of the aluminum alloy substrate 1, the first through hole 2 is in a circular truncated cone shape, a plurality of cavities 3 are formed inside the first through hole 2, and cross sections of the cavities 3 are gradually increased from bottom to top.

According to the utility model, the substrate 1 is made of aluminum alloy, the first through hole 2 is in a round table shape, the contact area can be increased, the cavity 3 is communicated with the first through hole 2, partial heat can be transferred to the substrate 1 after passing through the gas in the cavity 3, so that the aluminum alloy substrate 1 is suitable for expansion and contraction in the processes of heating and heat release, and the internal deformation of the aluminum alloy substrate 1 is avoided.

Referring to fig. 3, a truncated cone-shaped heat conduction block 4 is disposed inside the first through hole 2, and the heat conduction block 4 is connected with the first through hole 2 through a heat conduction medium.

Adopt above-mentioned scheme: through setting up heat conduction piece 4, heat conduction piece 4 adopts the copper that heat conductivility is higher than aluminium to make, and the heat conduction efficiency of fin can be improved to heat conduction piece 4 of round platform shape, and the heat-conducting medium preferred is heat conduction silicone grease, can make things convenient for being connected of heat conduction piece 4 and base plate 1.

Referring to fig. 3, a second through hole 5 is formed in a side wall of the substrate 1, and a heat conduction pipe 6 is disposed in the second through hole 5.

Adopt above-mentioned scheme: by providing at least one second through hole 5 and at least one heat conduction pipe 6, the heat transferred by the heat conduction block 4 can be discharged through the heat conduction pipe 6 in the second through hole 5, the second through hole 5 can be a circular pipe or a special pipe with other cross section, and the heat conduction pipe 6 is preferably a copper pipe, thereby further improving the heat conduction effect.

Referring to fig. 3, the heat conducting block 4 is provided with a notch 7.

Adopt above-mentioned scheme: through setting up breach 7, breach 7 is seted up on heat conduction piece 4, and inside 7 breachs can be inserted to the one end of heat pipe 6, can fix heat conduction piece 4, prevents that heat conduction piece 4 from droing, and the heat part on the heat conduction piece 4 can be discharged through heat pipe 6, further improves the heat conduction effect.

Referring to fig. 3, fins 8 are respectively disposed on the top and the periphery of the substrate 1.

Adopt above-mentioned scheme: by providing the fins 8, the contact area between the substrate 1 and the outside air can be increased, and the heat dissipation effect can be further improved.

Referring to fig. 3, the outer side of the top of the base plate 1 is provided with an annular recess 9.

Adopt above-mentioned scheme: by arranging the annular concave part 9, the substrate 1 can be conveniently fixed, and the substrate 1 can be conveniently fixed on household electrical appliances.

The working principle of the utility model is as follows:

when the heat conducting module is used, when the heat conducting module is installed, firstly, partial heat conducting medium is coated outside the heat conducting block 4, then the heat conducting block 4 is placed into the first through hole 2, then the notch 7 is aligned to the second through hole 5, one end of the heat conducting pipe 6 is inserted into the notch 7, the heat conducting block 4 is fixed, then the substrate 1 is installed, partial heat conducting medium is coated on the bottom of the heat conducting block 4, the heat conducting block 4 is aligned to a position of a household appliance needing important heat dissipation, the heat conducting block 4 is placed on the position and then tightened through the concave part 9 above, so that the heat radiating fins can be fixed, when the household appliance heats, partial heat can be directly transmitted to the heat conducting block 4, the heat on the heat conducting block 4 can be transmitted to the substrate 1 and dissipated through the plurality of fins 8, partial heat can firstly heat gas in the cavity 3 and then is transmitted to the substrate 1, and partial heat can be discharged through the heat conducting pipe 6, the heat dissipation effect of the heat dissipation fins is improved.

In summary, the following steps: this aluminum alloy cooling fin for household electrical appliances through setting up base plate 1, first through-hole 2, cavity 3 and heat conduction piece 4, can make things convenient for the installation of fin, can improve the radiating effect of fin, has solved current aluminum alloy cooling fin for household electrical appliances heat dispersion poor than copper, uses the aluminum alloy to take place to warp easily under high temperature for a long time, can not satisfy the problem of foot branch household electrical appliances requirement to heat dispersion.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an aluminum alloy fin for household electrical appliances, includes aluminum alloy base plate (1), its characterized in that: the bottom of aluminum alloy base plate (1) is equipped with first through-hole (2), first through-hole (2) are round platform shape, the inboard of first through-hole (2) is equipped with a plurality of cavitys (3), supreme crescent is down followed to the cross-section of cavity (3).

2. The aluminum alloy heat sink for home appliances as claimed in claim 1, wherein: the heat conduction block (4) is arranged in the first through hole (2) and is in a round table shape, and the heat conduction block (4) is connected with the first through hole (2) through a heat conduction medium.

3. The aluminum alloy heat sink for home appliances as claimed in claim 1, wherein: the side wall of the substrate (1) is provided with a second through hole (5), and a heat conduction pipe (6) is arranged in the second through hole (5).

4. The aluminum alloy heat sink for home appliances as claimed in claim 2, wherein: the heat conducting block (4) is provided with a notch (7).

5. The aluminum alloy heat sink for home appliances as claimed in claim 1, wherein: fins (8) are respectively arranged on the top and the periphery of the substrate (1).

6. The aluminum alloy heat sink for home appliances as claimed in claim 1, wherein: the outer side of the top of the base plate (1) is provided with an annular concave part (9).