CN112566451A - Heat abstractor and contain its electrical equipment - Google Patents
Heat abstractor and contain its electrical equipment Download PDFInfo
- Publication number
- CN112566451A CN112566451A CN202011268053.3A CN202011268053A CN112566451A CN 112566451 A CN112566451 A CN 112566451A CN 202011268053 A CN202011268053 A CN 202011268053A CN 112566451 A CN112566451 A CN 112566451A
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- China
- Prior art keywords
- heat
- heat dissipation
- fins
- conversion module
- thermoelectric conversion
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/20009—Modifications to facilitate cooling, ventilating, or heating using a gaseous coolant in electronic enclosures
- H05K7/20136—Forced ventilation, e.g. by fans
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/02—Cleaning by the force of jets, e.g. blowing-out cavities
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention provides a heat dissipation device and electrical equipment comprising the same, relates to the technical field of heat dissipation equipment, and solves the technical problem that dust is easily accumulated on the heat dissipation device to influence the heat dissipation capability. The heat dissipation device comprises a heat dissipation device body, a conversion assembly and an air blowing device, wherein the heat dissipation device body is arranged close to a heat source so as to dissipate heat; the conversion assembly is in contact connection with the radiator body so as to convert heat into electric energy; the air blowing device is electrically connected with the conversion assembly, and the air outlet faces the radiator body; the electrical equipment comprises a heat dissipation device. According to the invention, the conversion assembly and the blowing device are arranged, the surplus heat is recovered, the thermoelectric conversion module is utilized to convert the recovered heat into electric energy, the fan and other driving devices are driven to generate wind, and the wind blows away dust through the heat dissipation channels of the fins, so that the dust accumulation is prevented.
Description
Technical Field
The invention relates to the technical field of heat dissipation equipment, in particular to a heat dissipation device capable of automatically cleaning dust and electrical equipment comprising the heat dissipation device.
Background
In order to improve heat dissipation performance of many devices with high heat dissipation, a heat sink is added to a part with high heat, but most of the heat sinks are fin-shaped, aluminum alloy is used as a material, and gaps exist between fins to facilitate air flow.
The applicant has found that the prior art has at least the following technical problems:
many products have a commonality problem, place in the air, produce the deposition phenomenon very easily on the radiator and between the fin, and the dust can influence the heat-sinking capability of radiator, not only increases the power consumption, and the heat dissipation is not obvious moreover.
Disclosure of Invention
The invention aims to provide a heat dissipation device and electrical equipment comprising the same, and aims to solve the technical problem that dust is easily accumulated on the heat dissipation device to influence the heat dissipation capability in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a heat dissipation device, which comprises a heat dissipation device body, a conversion assembly and a blowing device, wherein:
the radiator body is arranged close to the heat source to radiate heat;
the conversion assembly is in contact connection with the radiator body to convert heat into electric energy;
the blowing device is electrically connected with the conversion assembly, and the air outlet faces the radiator body.
As a further improvement of the present invention, the conversion assembly includes a thermoelectric conversion module and a heat collecting device in contact connection with the thermoelectric conversion module, the thermoelectric conversion module is disposed at a central position of the heat sink body, and the heat collecting device is disposed around the thermoelectric conversion module.
As a further improvement of the invention, the blowing device is arranged at the center of the radiator body, and the air outlet direction is perpendicular to the heat transfer direction of the radiator body.
As a further improvement of the invention, the radiator body is a fin-shaped radiator and comprises a base and radiating fins, wherein the radiating fins are annularly arranged on one side of the base; the blowing device is arranged at the bottom of a cavity defined by the radiating fins and is fixedly connected with the base; the thermoelectric conversion module is arranged at the top of a cavity surrounded by the radiating fins and is in contact connection with the radiating fins, and the heat collecting device covers the top of the radiating fins.
As a further development of the invention, the heat collecting device is in contact heat-conducting connection with the heat sink fin and/or has a spacer air heat-conducting connection.
As a further improvement of the invention, the radiating fins are in a gradual change shape with one wide end and one narrow end; the heat collecting device covers the narrow ends of the radiating fins.
As a further improvement of the present invention, the heat collecting device includes a frustum-shaped heat conducting cover, and a top edge is connected to the top peripheral side of the thermoelectric conversion module.
As a further improvement of the present invention, the heat collecting device includes a circular heat conducting cover, and an inner ring is connected to the top peripheral side of the thermoelectric conversion module.
As a further improvement of the invention, the radiating fins are in a right-angled trapezoid or right-angled triangle structure, and the cavity formed by the radiating fins is a cylindrical cavity.
The invention provides electrical equipment which comprises the heat dissipation device.
Compared with the prior art, the invention has the following beneficial effects:
the heat dissipation device provided by the invention has the advantages that through the arrangement of the conversion assembly and the blowing device, the surplus heat is recycled, the thermoelectric conversion module is utilized to convert the recycled heat into electric energy to drive the fan and other driving devices to generate wind, the wind blows away dust through the heat dissipation channels of the fins, the dust accumulation is prevented, the heat is generated, the electric quantity is generated, the wind blows out, and through the circulation of heat energy-electric energy-mechanical energy, the heat dissipation device capable of eliminating the dust without utilizing other power supplies is formed; meanwhile, the heat energy of the radiator is redundant for the product and is avoided as much as possible, in the invention, the heat energy is collected, the thermoelectric conversion principle and the electric energy conversion mechanical energy principle are utilized, the heat radiation is utilized, and the heat energy at three outward positions is also reduced because the heat energy is utilized, so that the influence on the surrounding environment and equipment is avoided; the dust accumulation in the heat dissipation device is reduced, the power consumption of the heat dissipation device is reduced, and the heat dissipation effect is obvious; through the heat recovery power generation, the electric quantity is not required to be consumed when the dust is cleaned, and the energy consumption is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a heat dissipation device according to the present invention;
fig. 2 is a cross-sectional view of the heat dissipating device of the present invention.
In fig. 1, a radiator body; 11. a base; 12. a heat dissipating fin; 2. a conversion component; 21. a thermoelectric conversion module; 22. a heat collecting device; 3. and a blowing device.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
As shown in fig. 1, the present invention provides a heat sink device, comprising a heat sink body 1, a conversion assembly 2 and a blowing device 3, wherein:
the radiator body 1 is arranged close to a heat source to radiate heat; the radiator body 1 is used for continuously radiating heat of a heat source of equipment;
the conversion component 2 is in contact connection with the radiator body 1 to convert heat into electric energy; by arranging the conversion component 2, the heat conducted out of the radiator body 1 can be converted, and the heat energy is converted into electric energy to realize energy recycling;
the blowing device 3 is electrically connected with the conversion component 2, and the air outlet faces the radiator body 1. The electric energy supply blast apparatus 3 of conversion 2 conversion makes blast apparatus 3 blow towards radiator body 1, can not only take away the partial heat on the radiator body 1, but also can avoid the dust gathering on radiator body 1, has realized the effect of automatic clearance dust.
As shown in fig. 2, as an alternative embodiment of the present invention, the conversion assembly 2 includes a thermoelectric conversion module 21 and a heat collecting device 22 in contact connection with the thermoelectric conversion module 21, the thermoelectric conversion module 21 is disposed at the center of the heat sink body 1, and the heat collecting device 22 is disposed around the thermoelectric conversion module 21.
When a heat source is generated, the heat source transfers heat to the radiating fins through the radiator body 1, and experimental research shows that the central temperature of the radiator body 1 is higher than the peripheral temperature in the process of thermal distribution, so that the heat is highest in the central part of the radiator body 1. The combined heat flows from bottom to top, the thermoelectric conversion module 21 is placed on top of the center of the heat sink body 1, and the heat collecting device 22 is attached around the thermoelectric conversion module 21 to collect more heat.
Further, the blowing device 3 is arranged at the center of the radiator body 1, and the air outlet direction is perpendicular to the heat transfer direction of the radiator body 1.
As an optional embodiment of the present invention, the heat sink body 1 is a fin-shaped heat sink, and includes a base 11 and heat dissipating fins 12, wherein the heat dissipating fins 12 are annularly arranged around one side of the base 11; the blowing device 3 is arranged at the bottom of a cavity defined by the radiating fins 12 and is fixedly connected with the base 11; the thermoelectric conversion module 21 is arranged at the top of a cavity surrounded by the heat dissipation fins 12 and is in contact connection with the heat dissipation fins 12, and the heat collecting device 22 is covered at the top of the heat dissipation fins 12.
In particular, the heat collection device 22 is in contact thermally conductive connection with the heat sink fins 12 and/or has a spaced air thermally conductive connection. When the contact type heat conduction connection is adopted, the heat collecting device 22 is only required to be in contact with the radiating fins 12 completely, when the spaced air heat conduction connection is adopted, small spacing can be kept between the heat collecting device 22 and the radiating fins 12, and when two heat conduction modes are adopted, the heat collecting device 22 can be partially in contact with the radiating fins 12 and partially has spacing. The heat collecting means 22 functions to collect more heat.
Specifically, the heat dissipation fins 12 are gradually changed in shape with one wide end and one narrow end; the heat collecting means 22 is arranged over the narrow ends of the fins 12.
As an alternative embodiment of the present invention, the heat collecting means 22 includes a frustum-shaped heat conducting cover, and the top edge is connected to the top peripheral side of the thermoelectric conversion module 21.
As another alternative embodiment of the present invention, the heat collecting means 22 includes a circular ring-shaped heat conducting cover, and the inner ring is attached to the top peripheral side of the thermoelectric conversion module 21.
Further, the heat dissipation fins 12 are in a right trapezoid or right triangle structure, and the cavity defined by the heat dissipation fins is a cylindrical cavity.
As an alternative embodiment of the invention, the blowing device 3 is a fan.
Among them, the thermoelectric conversion module 21 is a device that converts thermal energy into electric energy. When the amount of heat collected reaches a certain level, an electric current is generated. When electric energy is generated, the electric energy is transmitted to the fan through the electric wire, the fan rotates to drive surrounding air to flow to form wind, and the wind is guided by the fin channels among the radiating fins 12 and blows away the periphery of the fins, so that dust in the radiating fins 12 is blown down to the radiator body 1. The current can be continuously generated as long as the heat exists, and the fan can be continuously rotated, so that the dust accumulation is prevented. Dust accumulation can affect heat dissipation, and wind can also accelerate air flow of the heat dissipation channel, so that more heat is taken away. The heat dissipation device capable of automatically cleaning dust does not need to provide extra electric power to drive the fan to rotate, and is self-sufficient. The heat energy of the radiator is a burden for most products and needs to be avoided, and the invention collects and utilizes the heat energy, on one hand, the dust in the heat radiation channel can be blown off, and on the other hand, a virtuous cycle is formed.
The invention also provides electrical equipment comprising the heat dissipation device.
It should be noted that "inward" is a direction toward the center of the accommodating space, and "outward" is a direction away from the center of the accommodating space.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in fig. 1 to facilitate the description of the invention and to simplify the description, but are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered as limiting the invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. The utility model provides a heat abstractor, its characterized in that includes radiator body, conversion components and blast apparatus, wherein:
the radiator body is arranged close to the heat source to radiate heat;
the conversion assembly is in contact connection with the radiator body to convert heat into electric energy;
the blowing device is electrically connected with the conversion assembly, and the air outlet faces the radiator body.
2. The heat dissipating device according to claim 1, wherein the conversion module includes a thermoelectric conversion module and a heat collecting device in contact with the thermoelectric conversion module, the thermoelectric conversion module is disposed at a central position of the heat sink body, and the heat collecting device is disposed around a peripheral side of the thermoelectric conversion module.
3. The heat dissipating device of claim 2, wherein the blowing device is disposed at a center of the heat dissipating device, and an air outlet direction is perpendicular to a heat transferring direction of the heat dissipating device.
4. The heat dissipation device as claimed in claim 2 or 3, wherein the heat sink body is a fin-shaped heat sink, and comprises a base and heat dissipation fins, and the heat dissipation fins are annularly arranged on one side of the base; the blowing device is arranged at the bottom of a cavity defined by the radiating fins and is fixedly connected with the base; the thermoelectric conversion module is arranged at the top of a cavity surrounded by the radiating fins and is in contact connection with the radiating fins, and the heat collecting device covers the top of the radiating fins.
5. The heat sink according to claim 4, wherein the heat collecting device is in contact heat-conducting connection with the heat sink fins and/or has a spacer-air heat-conducting connection.
6. The heat dissipating device of claim 4, wherein the heat dissipating fins have a tapered shape that is wider at one end and narrower at the other end; the heat collecting device covers the narrow ends of the radiating fins.
7. The heat dissipating device of claim 6, wherein said heat collecting means comprises a frustum-shaped heat conducting cover having a top edge connected to a top peripheral side of said thermoelectric conversion module.
8. The heat dissipating device of claim 6, wherein said heat collecting means comprises a circular heat conducting cover, and an inner ring is attached to a top peripheral side of said thermoelectric conversion module.
9. The heat dissipating device of claim 6, wherein the heat dissipating fins have a right trapezoid or right triangle structure, and the cavity defined by the heat dissipating fins is a cylindrical cavity.
10. An electrical appliance comprising a heat sink as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011268053.3A CN112566451B (en) | 2020-11-13 | 2020-11-13 | Heat abstractor and contain its electrical equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011268053.3A CN112566451B (en) | 2020-11-13 | 2020-11-13 | Heat abstractor and contain its electrical equipment |
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| Publication Number | Publication Date |
|---|---|
| CN112566451A true CN112566451A (en) | 2021-03-26 |
| CN112566451B CN112566451B (en) | 2022-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011268053.3A Active CN112566451B (en) | 2020-11-13 | 2020-11-13 | Heat abstractor and contain its electrical equipment |
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| CN (1) | CN112566451B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114543554A (en) * | 2022-02-24 | 2022-05-27 | 天地（常州）自动化股份有限公司 | Heat radiator |
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| CN114543554B (en) * | 2022-02-24 | 2024-06-11 | 天地（常州）自动化股份有限公司 | Heat dissipation system |
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| Publication number | Publication date |
|---|---|
| CN112566451B (en) | 2022-02-22 |
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