CN214900632U - Heat radiation structure of power adapter - Google Patents
Heat radiation structure of power adapter Download PDFInfo
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- CN214900632U CN214900632U CN202121204005.8U CN202121204005U CN214900632U CN 214900632 U CN214900632 U CN 214900632U CN 202121204005 U CN202121204005 U CN 202121204005U CN 214900632 U CN214900632 U CN 214900632U
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- heat conduction
- heat dissipation
- power adapter
- inner shell
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Abstract
A heat dissipation structure of a power adapter comprises an inner shell, an outer shell and an adapter mainboard, wherein the inner shell is arranged in the outer shell, a closed phase change heat conduction cavity is formed between the outer shell and the inner shell, phase change heat conduction insulating materials are filled in the phase change heat conduction cavity, the adapter mainboard is arranged in the inner shell, and the whole or part of the inner shell and the outer shell are made of heat conduction materials. The heat dissipation structure of the power adapter of the utility model utilizes the phase-change heat-conducting insulating material to conduct heat on one hand, and the phase-change heat-conducting insulating material is changed into a fluid state after being heated, so that the soaking effect is good; on the other hand, the heat conduction of the whole structure is rapid, the cooling effect of the adapter mainboard is obvious when the adapter mainboard works, the service life is prolonged, the working stability of the power adapter is improved, and the guarantee is provided for the stable operation of the electricity connected with the power adapter; in addition, compare prior art's heat radiation structure, the utility model discloses simple structure, and safe and reliable.
Description
Technical Field
The utility model relates to an adapter heat dissipation technical field, concretely relates to power adapter's heat radiation structure.
Background
Currently, mobile terminals such as mobile phones are generally equipped with a rechargeable battery, and the battery can be charged by a power adapter. The working temperature is an important factor that limits the working efficiency of the power adapter. Therefore, controlling the operating temperature of the power adapter is an important measure to ensure its safe operation and to improve its voltage conversion efficiency.
The existing power adapter usually adopts a heat dissipation device, however, has the defects of poor heat dissipation effect, complex structure, low safety factor and the like.
SUMMERY OF THE UTILITY MODEL
Based on this, the utility model provides a power adapter's heat radiation structure to there is the radiating effect not good enough in the power adapter who solves prior art, and the structure is complicated, factor of safety low grade technical problem.
In order to achieve the above object, the utility model provides a power adapter's heat radiation structure, including inner shell, shell and adapter mainboard, the inner shell sets up in the shell, the shell with be formed with inclosed phase transition heat conduction chamber between the inner shell, phase transition heat conduction intracavity packing has phase transition heat conduction insulating material, the adapter mainboard set up in the inner shell, the inner shell with the whole or part of shell is heat conduction material.
As a further preferred technical scheme of the utility model, the phase transition heat conduction chamber is one or more, when the phase transition heat conduction chamber is a plurality of, each the phase transition heat conduction chamber in the inner shell with interval distribution between the shell.
As a further preferable aspect of the present invention, the thermal conductivity of the inner shell and the outer shell is not less than 0.5W/(m · k).
As a further preferred technical scheme of the utility model, the inner shell with the heat conduction material that the shell adopted is copper product or aluminum product.
As a further preferred technical scheme of the utility model, power adapter's heat radiation structure still includes the radiating block, the radiating block sets up on at least one side of shell.
As a further preferred technical scheme of the utility model, the outer wall of shell sink be formed with radiating block complex mounting groove, the radiating block subsides are established in the mounting groove.
As a further preferred technical scheme of the utility model, be equipped with in the mounting groove a plurality of run through to the aperture in phase transition heat conduction chamber, the radiating block is hugged closely the mounting groove is in order to right the aperture seals up, so that in the phase transition heat conduction intracavity phase transition heat conduction insulating material with the radiating block contact.
As a further preferred technical scheme of the utility model, the shell includes the main casing body and apron, the apron pass through screw or buckle with the main casing body coupling, the apron is used for opening the phase transition heat conduction chamber.
As a further preferred technical solution of the present invention, one end of the main housing is recessed inwards to form a jack, and a hardware pin electrically connected to the adaptor main board is fixed in the jack; the other end of the main shell body is provided with a wire passing hole, a power wire on the adapter mainboard passes through the wire passing hole and extends to the outside, and a protective sleeve fixed with the power wire sleeve is arranged in the wire passing hole.
The utility model discloses a power adapter's heat radiation structure through adopting above-mentioned technical scheme, can reach following beneficial effect:
1) the phase-change heat-conducting insulating material is used for conducting heat, and the phase-change heat-conducting insulating material is heated and then changes into a fluid state, so that the soaking effect is good;
2) the heat conduction of the whole structure is rapid, the cooling effect of the adapter mainboard is obvious when the adapter mainboard works, and the service life of the adapter mainboard is prolonged;
3) the service life is prolonged, the working stability of the power adapter is improved, and the stable operation of the power adapter is guaranteed;
4) compared with the heat dissipation structure in the prior art, the structure is simple, and the safety and the reliability are realized.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic structural diagram of an example provided by the heat dissipation structure of the power adapter of the present invention.
In the figure: 1. the radiating block, 2, phase transition heat conduction insulating material, 3, five metals are inserted foot, 4, inner shell, 5, adapter mainboard, 6, shell, 7, the main casing body, 8, apron, 9, protective sheath, 10, power cord.
The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description. In the preferred embodiments, the terms "upper", "lower", "left", "right", "middle" and "a" are used for the sake of clarity only, and are not intended to limit the scope of the invention, its relative relationship between the terms and their derivatives, and the scope of the invention should be understood as being limited by the claims.
As shown in fig. 1, the utility model provides a heat radiation structure of power adapter, including inner shell 4, outer shell 6 and adapter mainboard 5, inner shell 4 sets up in outer shell 6, outer shell 6 with be formed with inclosed phase transition heat conduction chamber between the inner shell 4, phase transition heat conduction intracavity is filled with phase transition heat conduction insulating material 2, and phase transition heat conduction insulating material 2 can take place the phase transition when about 45 ~ 50 ℃, changes between solid, liquid, gas three kinds of forms promptly, can absorb heat when changing from solid state to liquid and gaseous state, otherwise then releases heat; the adapter mainboard 5 is arranged in the inner shell 4, all or part of the inner shell 4 and the outer shell 6 are made of heat conducting materials (for example, all materials of the inner shell 4 are heat conducting materials or part of the inner shell is heat conducting materials; similarly, the heat conducting materials of the outer shell 6 are heat conducting materials or part of the outer shell 6), and the phase change heat conducting insulating material 2 with a good heat conducting function is positioned between the inner shell 4 and the outer shell 6, so that heat conduction is realized, heat generated when the adapter mainboard 5 works is conducted to the outside air sequentially through the inner shell 4, the phase change heat conducting cavity and the outer shell 6, and efficient heat dissipation of the power adapter is realized.
The working principle of the utility model is as follows:
when the adapter mainboard 5 works at high power, an internal electronic device can emit a large amount of heat in a short time, the heat is transferred to the phase-change heat-conducting insulating material 2 through the inner shell 4 to absorb heat and generate phase change, the outer shell 6 is positioned at one side far away from the adapter mainboard 5 and is contacted with the external air, and has equal and lower temperature, according to the principle that the heat is transferred from top to bottom, the heat absorbed by the phase-change heat-conducting insulating material 2 is released into the air through the outer shell 6 to realize heat dissipation, and the inner shell 4, the outer shell 6 and the phase-change heat-conducting insulating material 2 between the inner shell 4 and the outer shell 6 are all good heat-conducting materials, so that the heat-dissipation effect is good; the phase-change heat-conducting insulating material 2 is in a fluid state after being heated and subjected to phase change, so that the soaking effect between the inner shell 4 and the outer shell 6 is good; phase change heat conduction insulating material 2 is insulating material for adapter mainboard 5 can not the external electric leakage, and the security performance is good.
In a specific implementation, the phase-change heat-conducting cavities are one or more, and when the phase-change heat-conducting cavities are multiple, the phase-change heat-conducting cavities are distributed at intervals between the inner shell 4 and the outer shell 6, and can be divided into multiple independent cavities according to actual requirements. The thermal conductivity of the inner shell 4 and the outer shell 6 is not less than 0.5W/(m.k), so that the outer shell 6 and the inner shell 4 have better thermal conductivity. Preferably, the heat conducting material used for the inner shell 4 and the outer shell 6 is copper material or aluminum material.
Preferably, the heat dissipation structure of the power adapter further comprises a heat dissipation block 1, and the heat dissipation block 1 is disposed on at least one side surface of the housing 6. The outer wall of the shell 6 sinks to form a mounting groove matched with the radiating block 1, the radiating block 1 is attached to the mounting groove, the radiating block 1 with fins on the surface is arranged in the mounting groove, the surface area of the radiating block in contact with air can be increased, the radiating capacity of the shell 6 is further improved, and the phenomenon of local heat accumulation cannot occur.
In another specific implementation, a plurality of small holes penetrating through the phase-change heat conduction cavity are formed in the mounting groove, and the heat dissipation block 1 is tightly attached to the mounting groove to seal the small holes, so that the phase-change heat conduction insulating material 2 in the phase-change heat conduction cavity is in contact with the heat dissipation block 1.
In another specific implementation, the housing 6 includes a main housing 7 and a cover plate 8, the cover plate 8 is connected to the main housing 7 by screws or fasteners, the cover plate 8 is used to open the phase change heat conducting cavity, filling or replacing the phase change heat conducting insulating material 2 in the phase change heat conducting cavity can be realized by opening the cover plate 8, and a sealing ring is further disposed between the main housing 7 and the cover plate 8 to ensure the sealing performance of the phase change heat conducting cavity.
One end of the main shell 7 is recessed inwards to form a jack, a hardware pin 3 electrically connected with the adapter main board 5 is fixedly arranged in the jack, and the jack is connected with a plug on the electric equipment in a butt joint mode through the hardware pin 3, so that the plug is convenient to insert; the other end of the main shell 7 is provided with a wire passing hole, a power wire 10 on the adapter mainboard 5 passes through the wire passing hole and extends to the outside, and a protective sleeve 9 which is fixedly connected with the power wire 10 in a sleeving manner is arranged in the wire passing hole.
The heat dissipation structure of the power adapter of the utility model utilizes the phase-change heat-conducting insulating material 2 to conduct heat, and the phase-change heat-conducting insulating material 2 is heated to be changed into a fluid state, so that the soaking effect is good; the heat conduction of the whole structure is rapid, and the cooling effect of the adapter mainboard 5 during working is obvious; the service life is prolonged, the working stability of the power adapter is improved, and the stable operation of the electricity connected with the power adapter is guaranteed; compared with the heat dissipation structure in the prior art, the structure is simple, and the safety and the reliability are realized.
Although specific embodiments of the present invention have been described above, it will be appreciated by those skilled in the art that these are merely examples and that many changes and modifications may be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims.
Claims (9)
1. The heat dissipation structure of the power adapter is characterized by comprising an inner shell, an outer shell and an adapter main board, wherein the inner shell is arranged in the outer shell, a closed phase-change heat conduction cavity is formed between the outer shell and the inner shell, phase-change heat conduction insulating materials are filled in the phase-change heat conduction cavity, the adapter main board is arranged in the inner shell, and the whole or part of the inner shell and the outer shell is made of heat conduction materials.
2. The heat dissipation structure of claim 1, wherein the phase-change heat conduction cavity is one or more, and when the phase-change heat conduction cavity is multiple, each phase-change heat conduction cavity is spaced between the inner shell and the outer shell.
3. The heat dissipating structure of a power adapter according to claim 1, wherein the thermal conductivity of the inner case and the outer case is not less than 0.5W/(m-k).
4. The heat dissipation structure of a power adapter according to claim 1, wherein the heat conductive material used for the inner casing and the outer casing is copper material or aluminum material.
5. The heat dissipation structure of a power adapter according to claim 1, further comprising a heat dissipation block provided on at least one side surface of the housing.
6. The heat dissipation structure of a power adapter according to claim 5, wherein the outer wall surface of the housing is recessed to form a mounting groove matched with the heat dissipation block, and the heat dissipation block is attached to the mounting groove.
7. The heat dissipation structure of the power adapter as claimed in claim 6, wherein the mounting groove has a plurality of small holes penetrating through the phase-change heat conduction cavity, and the heat dissipation block is tightly attached to the mounting groove to seal the small holes, so that the phase-change heat conduction insulating material in the phase-change heat conduction cavity is in contact with the heat dissipation block.
8. The heat dissipation structure of a power adapter according to any one of claims 1 to 7, wherein the housing includes a main housing and a cover plate, the cover plate is connected with the main housing by a screw or a snap, and the cover plate is used for opening the phase change heat conduction cavity.
9. The heat dissipation structure of the power adapter according to claim 8, wherein one end of the main housing is recessed inward to form a socket, and hardware pins electrically connected with the adapter main board are fixedly arranged in the socket; the other end of the main shell body is provided with a wire passing hole, a power wire on the adapter mainboard passes through the wire passing hole and extends to the outside, and a protective sleeve fixed with the power wire sleeve is arranged in the wire passing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121204005.8U CN214900632U (en) | 2021-05-31 | 2021-05-31 | Heat radiation structure of power adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121204005.8U CN214900632U (en) | 2021-05-31 | 2021-05-31 | Heat radiation structure of power adapter |
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| Publication Number | Publication Date |
|---|---|
| CN214900632U true CN214900632U (en) | 2021-11-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121204005.8U Active CN214900632U (en) | 2021-05-31 | 2021-05-31 | Heat radiation structure of power adapter |
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| CN (1) | CN214900632U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115996330A (en) * | 2023-03-23 | 2023-04-21 | 深圳市振兴光通信股份有限公司 | Industrial grade router |
| TWI802505B (en) * | 2022-09-15 | 2023-05-11 | 博霖科國際股份有限公司 | Special fluid cooling cooling system for computer case cabinet |
-
2021
- 2021-05-31 CN CN202121204005.8U patent/CN214900632U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI802505B (en) * | 2022-09-15 | 2023-05-11 | 博霖科國際股份有限公司 | Special fluid cooling cooling system for computer case cabinet |
| CN115996330A (en) * | 2023-03-23 | 2023-04-21 | 深圳市振兴光通信股份有限公司 | Industrial grade router |
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