CN111712115A - High-efficient heat abstractor of electronic components - Google Patents
High-efficient heat abstractor of electronic components Download PDFInfo
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- CN111712115A CN111712115A CN202010671953.6A CN202010671953A CN111712115A CN 111712115 A CN111712115 A CN 111712115A CN 202010671953 A CN202010671953 A CN 202010671953A CN 111712115 A CN111712115 A CN 111712115A
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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
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
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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
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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
- H05K7/2029—Modifications to facilitate cooling, ventilating, or heating using a liquid coolant with phase change in electronic enclosures
- H05K7/20318—Condensers
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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
- H05K7/2039—Modifications to facilitate cooling, ventilating, or heating characterised by the heat transfer by conduction from the heat generating element to a dissipating body
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- Microelectronics & Electronic Packaging (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Cooling Or The Like Of Electrical Apparatus (AREA)
Abstract
The invention discloses a high-efficiency heat dissipation device for electronic components, which comprises a heat dissipation box and the electronic components, wherein the upper end of the heat dissipation box is provided with a fan box, a fan is arranged in the fan box, a third dust prevention net is embedded and arranged on the upper top wall of the fan box, the heat dissipation box is sequentially divided into a condensation cavity, a heat absorption cavity, a backflow cavity, a heating cavity and a heat conduction module cavity from top to bottom, and a condensation heat dissipation mechanism is arranged in the condensation cavity. The heat dissipation module block has reasonable structural design, a condensation reflux structure is formed by the condensation heat dissipation pipe, the fan, the heat absorption cavity and the reflux cavity, heat dissipation can be circulated, the fan can be fixed on the side surface, the thickness of the heat dissipation device is reduced, the installation difficulty is reduced, the graphite heat conduction sheet and the flexible graphite connection sheet can be connected and attached to the surface of any electronic component, the applicability and pertinence of the device are improved, and the suitable flexible graphite connection sheet can be selected according to the number of the electronic components needing heat dissipation, so that the energy loss is reduced.
Description
Technical Field
The invention relates to the field of heat dissipation of electronic components, in particular to a high-efficiency heat dissipation device for electronic components.
Background
The electronic components are components of electronic elements and small-sized electric machines and instruments, are usually composed of a plurality of parts and can be commonly used in similar products; generally speaking, a circuit board can see that various electronic components are welded on a board surface, the electronic components need to be electrified in the use process, the electronic components have internal resistance and can generate heat after being electrified, the internal resistance of some electronic components is small, the heat generated after being electrified is small, and the temperature of the heat generated by the electronic components does not influence the normal work of the electronic components, so the electronic components can be independently welded on the circuit board without an additional heat dissipation mechanism, but the internal resistance of some electronic components is large, the heat generated after being electrified is high, the temperature can be continuously increased when the electronic components are in a working state for a long time, the working performance of the electronic components is finally influenced, and even short circuit, burning and the like are possible, such as resistors, diodes, etc., therefore, electronic components which have high internal resistance and are easy to generate high temperature after being electrified need to be additionally provided with a heat dissipation mechanism to cool the electronic components, and the performance of the electronic components is affected by overhigh temperature or the electronic components are short-circuited and burnt, so that safety accidents are caused.
In the prior art, devices for dissipating heat of electronic components are few, and the devices are basically divided into two types of heat dissipation structures, one type of heat dissipation structure is used for dissipating heat of electronic components through air cooling heat dissipation or heat conducting fin heat dissipation, for example, the heat dissipation structure of electronic components provided in the invention patent with the application number of 201810273577.8 is mainly characterized in that a cavity structure is formed on a circuit board through a surrounding plate arranged around the circuit board, then an exhaust fan is arranged on the surrounding plate, the heat of the electronic components on the circuit board in the surrounding plate is taken away by the exhaust fan, but under the condition of high-heating electronic components, the air cooling effect is low, a heat conducting medium is arranged below the circuit board, a heat dissipation column is arranged below the heat conducting medium, the thickness of the whole circuit board is increased through the whole structure, although the heat dissipation problem is basically solved, the thicker circuit board and the heat dissipation, in addition, the scheme is wide-area heat dissipation, and the targeted heat dissipation of high-heat electronic components cannot be realized, so that energy waste is caused; the other type is a liquid cooling heat dissipation method, for example, "a liquid cooling heat dissipation system for electronic components" proposed in patent application No. 201410150370.3, mainly transfers heat of the electronic components to a liquid cooling mechanism through a heat conducting substrate, and circularly cools a cooling liquid through a fan, so that the heat of the electronic components is taken away.
Therefore, the invention designs the efficient heat dissipation device for the electronic components according to the arrangement characteristics of the high-heating electronic components on the circuit board to solve the problems.
Disclosure of Invention
The invention aims to solve the defects that the heat radiation pertinence of a high-heating electronic component is insufficient, the thickness of the whole circuit board is increased by a heat radiation device, and the installation is influenced in the prior art, and provides the high-efficiency heat radiation device for the electronic component.
In order to achieve the purpose, the invention adopts the following technical scheme:
a high-efficiency heat dissipation device for electronic components comprises a heat dissipation box and the electronic components, wherein a fan box is installed at the upper end of the heat dissipation box, a fan is installed in the fan box, a third dust prevention net is embedded and installed on the upper top wall of the fan box, the heat dissipation box is sequentially divided into a condensation cavity, a heat absorption cavity, a backflow cavity, a heating cavity and a heat conduction module cavity from top to bottom, and a condensation heat dissipation mechanism is installed in the condensation cavity;
the heat conduction module is characterized in that a heat conduction module block is installed in the heat conduction module cavity, a flexible graphite connecting sheet is inserted in the heat conduction module block, a plurality of slots are symmetrically formed in two ends of the heat conduction module block, one end of the flexible graphite connecting sheet is inserted in the slots and used for transferring heat to the heat conduction module block, a graphite heat conducting sheet is attached to the flexible graphite connecting sheet and attached to the surface of the electronic component, and therefore heat of the electronic component is transferred to the flexible graphite connecting sheet through the graphite heat conducting sheet.
Preferably, the condensation heat dissipation mechanism includes the condensation cooling tube, the left port of condensation cooling tube is inserted and is established on the last parietal left side of heat absorption chamber, the right-hand member mouth of condensation cooling tube is inserted and is established on the last parietal of backward flow chamber, the heat insulating board is installed to the left end of condensation chamber, and the left end of condensation cooling tube passes the heat insulating board installation for prevent to form the condensation backward flow phenomenon at left port department, influence heat dispersion, the lower extreme of condensation cooling tube is inserted and is equipped with a plurality of runner pipes, and a plurality of runner pipes from left to right lengthen in proper order, how much the common fixed mounting of runner pipe has the mainstream pipe, makes the left end of mainstream pipe be higher than the right-hand member, gathers the liquid that the condensation becomes to the port that the slope flows into the condensation cooling tube in the mainstream pipe.
Preferably, a heat-conducting substrate is installed in the heating cavity, a heat-conducting fin is fixedly installed on the side surface of the heat-conducting substrate, the heat-conducting fin penetrates through the side wall of the heating cavity and is fixedly connected with the heat-conducting module in the heat-conducting module cavity, so that heat of the heat-conducting module is transferred to the heat-conducting substrate, a plurality of radiating fins are fixedly installed at the upper end of the heat-conducting substrate, and the plurality of radiating fins penetrate through the inner wall of the heating cavity and are located in the heat absorption cavity.
Preferably, the lower extreme in the inside wall in heat absorption chamber has seted up the backward flow hole, and the backward flow hole intercommunication heat absorption chamber and backward flow chamber, the heat absorption intracavity is filled with refrigerant liquid, and on heat conduction base plate transmitted the heat to a plurality of fin, refrigerant liquid absorbed the heat gasification on a plurality of fin and got into in the condensation cooling tube, the refrigerant liquid of condensation cooling tube condensation was through the backward flow hole and the refrigerant liquid mixture in the heat absorption intracavity in the backward flow intracavity, the circulation heat dissipation.
Preferably, the last diapire in condensation chamber inlays to establish and installs first dust screen, inlay on the lateral wall in condensation chamber and establish and install the second dust screen, and first dust screen intercommunication fan box and condensation chamber, and second dust screen intercommunication condensation chamber and outside air.
The invention has the following beneficial effects:
1. the heat of the electronic components is used for absorbing heat and gasifying the refrigerant liquid in the heat absorption cavity by using a condensation backflow method, the gasified refrigerant liquid is cooled and liquefied by the fan into the refrigerant liquid to flow back to the heat absorption cavity through the condensation heat dissipation pipe in the condensation cavity, the cooling speed is increased by circulating cooling, the fan box can be arranged above the heat dissipation box and also can be arranged on the side wall of the heat dissipation box, the thickness of the heat dissipation device is reduced, and the installation difficulty of the circuit board is reduced.
2. The heat conduction material uses the graphite conducting strip, and the graphite conducting strip can be bent into arbitrary shape and attached on electronic components's surface, can carry out the pertinence heat dissipation to high electron components that generate heat, and the graphite conducting strip passes through flexible graphite connection piece and connects, can not receive electronic components's size and the restriction of arranging, is connected with the heat conduction module piece, increases heat abstractor's flexibility, and the suitability is wider, is applicable to any electronic components heat dissipation.
3. The heat conduction module block adopts a modular design, and a plurality of slots are symmetrically arranged at two ends of the heat conduction module block and used for inserting the flexible graphite connecting sheets into the slots, so that heat transmitted from the graphite heat conducting sheets can be quickly transmitted to the heat conduction module block, the quantity and the length of the flexible graphite connecting sheets can be freely selected according to electronic components needing heat dissipation on a circuit board, and energy waste is avoided.
4. Set up a plurality of fin on the heat conduction base plate, the heat absorption intracavity is arranged in to a plurality of fin, and heat conduction module piece passes through the conducting strip and is connected with the heat conduction base plate, and on the heat of heat conduction module piece passed through the conducting strip and transmits the heat to the heat conduction base plate, the heat conduction base plate transmitted the refrigerant liquid with the heat through a plurality of fin, and a plurality of fin surface areas are great, increase endothermic speed for the radiating rate is faster.
In conclusion, the heat dissipation module is reasonable in structural design, a condensation backflow structure is formed by the condensation heat dissipation pipe, the fan, the heat absorption cavity and the backflow cavity, heat dissipation can be circulated, the fan can be fixed on the side face, the thickness of the heat dissipation device is reduced, the installation difficulty is reduced, the graphite heat conduction sheet and the flexible graphite connection sheet can be connected and attached to the surface of any electronic component, the applicability and pertinence of the device are improved, the heat conduction module block can select the appropriate flexible graphite connection sheet according to the number of the electronic components needing heat dissipation, and energy loss is reduced.
Drawings
Fig. 1 is a schematic structural diagram of an efficient heat dissipation device for electronic components according to the present invention;
FIG. 2 is an enlarged view of a heat-conducting module of the efficient heat dissipation device for electronic components according to the present invention;
FIG. 3 is an enlarged view of a portion of a condensing heat pipe of the efficient heat dissipation device for electronic components according to the present invention;
FIG. 4 is an enlarged view of a heat sink of the high-efficiency heat dissipation device for electronic components according to the present invention;
FIG. 5 is a diagram illustrating a second embodiment.
In the figure: 1 heat dissipation box, 2 generate heat the chamber, 3 heat absorption chamber, 4 fin, 5 mainstream pipes, 6 condensation cooling tubes, 7 condensation chamber, 8 fan boxes, 9 third dust prevention net, 10 fan, 11 first dust screens, 12 second dust screens, 13 runner pipes, 14 backward flow chamber, 15 backward flow hole, 16 heat conduction module chamber, 17 electronic components, 18 flexible graphite connection piece, 19 heat conduction module piece, 20 heat conduction base plates, 21 slot, 22 graphite heat conduction piece.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
The first embodiment is as follows:
referring to fig. 1-4, an efficient heat dissipation device for electronic components comprises a heat dissipation box 1 and an electronic component 17, wherein a fan box 8 is installed at the upper end of the heat dissipation box 1, a fan 10 is installed in the fan box 8, a third dust prevention net 9 is embedded and installed on the upper top wall of the fan box 8, the heat dissipation box 1 is sequentially divided into a condensation cavity 7, a heat absorption cavity 3, a backflow cavity 14, a heating cavity 2 and a heat conduction module cavity 16 from top to bottom, and a condensation heat dissipation mechanism is installed in the condensation cavity 7;
install heat conduction module piece 19 in the heat conduction module piece 16, it is equipped with flexible graphite connection piece 18 to insert on the heat conduction module piece 19, a plurality of slots 21 have been seted up to the both ends symmetry of heat conduction module piece 19, and the one end of flexible graphite connection piece 18 is inserted and is established in slot 21, be used for on heat transfer to heat conduction module piece 19, flexible graphite connection piece 18 posts and is equipped with graphite conducting strip 22, and graphite conducting strip 22 is attached on electronic components 17's surface, make electronic components 17's heat transmit to flexible graphite connection piece 18 through graphite conducting strip 22 on.
The condensation heat dissipation mechanism comprises a condensation heat dissipation pipe 6, the left port of the condensation heat dissipation pipe 6 is inserted on the left side of the upper top wall of the heat absorption cavity 3, the right port of the condensation heat dissipation pipe 6 is inserted on the upper top wall of the backflow cavity 14, the left end of the condensation cavity 7 is provided with a heat insulation plate, the left end of the condensation heat dissipation pipe 6 penetrates through the heat insulation plate to be installed for preventing the condensation backflow phenomenon from forming at the left port and influencing the heat dissipation performance, the lower end of the condensation heat dissipation pipe 6 is inserted with a plurality of circulation pipes 13, the circulation pipes 13 are sequentially lengthened from left to right, a main flow pipe 5 is fixedly installed together with a plurality of circulation pipes 13, the left end of the main flow pipe 5 is higher than the right end, namely, in the condensation heat dissipation pipe 6, the condensed liquid is gathered into the main flow pipe 5 through the circulation pipes 13 and obliquely flows into the port of the condensation heat dissipation pipe 6 to enter the, the lateral wall of condensation chamber 7 is inlayed and is established and install second dust screen 12, and first dust screen 11 intercommunication fan box 8 and condensation chamber 7, and second dust screen 12 intercommunication condensation chamber 7 and outside air.
A heat conducting substrate 20 is arranged in the heating cavity 2, a heat conducting sheet is fixedly arranged on the side surface of the heat conducting substrate 20, the heat conducting sheet penetrates through the side wall of the heating cavity 2 and is fixedly connected with a heat conducting module group 19 in a heat conducting module group cavity 16, so that the heat of the heat conducting module group 19 is transferred to the heat conducting substrate 20, a plurality of heat radiating sheets 4 are fixedly arranged at the upper end of the heat conducting substrate 20, the plurality of heat radiating sheets 4 penetrate through the inner wall of the heating cavity 2 and are positioned in the heat absorbing cavity 3, a backflow hole 15 is formed at the lower end of the inner side wall of the heat absorbing cavity 3, the backflow hole 15 is communicated with the heat absorbing cavity 3 and the backflow cavity 14, refrigerant liquid is filled in the heat absorbing cavity 3, the heat conducting substrate 20 transfers the heat to the plurality of heat radiating sheets 4, the refrigerant liquid absorbs the heat on the plurality of heat radiating sheets 4 and is gasified to enter the condensing heat radiating, and circularly radiating.
In this embodiment, according to the arrangement of the electronic components 17 to be cooled on the circuit board, an appropriate flexible graphite connecting sheet 18 is selected, the graphite heat conducting sheet 22 is attached to the surface of the electronic components 17, then the flexible graphite connecting sheet 18 is attached to the graphite heat conducting sheet 22, then the other end of the flexible graphite connecting sheet 18 is inserted into the slot 21, the power supply of the heat dissipation device is connected to the low-voltage direct-current power supply circuit of the circuit board, when the circuit board is used, the fan 10 of the heat dissipation device is started, the heat of the electronic components 17 is transferred to the flexible graphite connecting sheet 18 through the graphite heat conducting sheet 22 and then transferred to the heat conducting module 19, the heat conducting module 19 transfers the heat to the heat conducting substrate 20 through the heat conducting sheet, the heat conducting substrate 20 diffuses the heat to the surfaces of the plurality of heat dissipation fins 4, when the temperature reaches the boiling point of the refrigerant liquid, the refrigerant liquid in the heat absorption cavity 3, get into from the left port of condensation cooling tube 6, the coolant liquid that gets into gasification in condensation cooling tube 6 flows in S-shaped condensation cooling tube 6, fan 10 rotates and makes the air current flow from second dust screen 12 to first dust screen 11, reduce the temperature of condensation cooling tube 6, make the coolant liquid of gasification in condensation cooling tube 6 cool down and condense into liquid coolant liquid, liquid coolant liquid slides down to runner pipe 13 in along condensation cooling tube 6' S pipe wall, liquid coolant liquid in a plurality of runner pipes 13 assembles in mainstream pipe 5, because the mainstream pipe 5 inclines right side, therefore liquid coolant liquid in mainstream pipe 5 flows to the right-hand member mouth of condensation cooling tube 6 and gets into in backward flow chamber 14, mix through the coolant liquid in backward flow hole 15 and heat absorption chamber 3 in backward flow chamber 14, the heat dissipation circulates always, reach the effect that makes electronic components 17 cool down.
Example two:
referring to fig. 5, the present embodiment provides an efficient heat dissipation apparatus for electronic components, which is substantially the same as the first embodiment, and the differences are as follows:
the last diapire of condensation chamber 7 inlays to establish and installs first dust screen 11, inlays on the lateral wall of condensation chamber 7 to establish and installs second dust screen 12, and 11 intercommunication condensation chambers 7 of first dust screen and outside air, and 12 intercommunication fan boxes 8 of second dust screen and condensation chamber 7, fan box 8 installs on the lateral wall of condensation chamber 7 promptly, fan box 8 installs the thickness that has reduced heat abstractor in the side of heat dissipation box 1, reduces the installation degree of difficulty of circuit board.
In this embodiment, according to the arrangement of the electronic components 17 to be cooled on the circuit board, an appropriate flexible graphite connecting sheet 18 is selected, the graphite heat conducting sheet 22 is attached to the surface of the electronic components 17, then the flexible graphite connecting sheet 18 is attached to the graphite heat conducting sheet 22, then the other end of the flexible graphite connecting sheet 18 is inserted into the slot 21, the power supply of the heat dissipation device is connected to the low-voltage direct-current power supply circuit of the circuit board, when the circuit board is used, the fan 10 of the heat dissipation device is started, the heat of the electronic components 17 is transferred to the flexible graphite connecting sheet 18 through the graphite heat conducting sheet 22 and then transferred to the heat conducting module 19, the heat conducting module 19 transfers the heat to the heat conducting substrate 20 through the heat conducting sheet, the heat conducting substrate 20 diffuses the heat to the surfaces of the plurality of heat dissipation fins 4, when the temperature reaches the boiling point of the refrigerant liquid, the refrigerant liquid in the heat absorption cavity 3, the refrigerant liquid entering from the left port of the condensation radiating pipe 6 and gasified in the condensation radiating pipe 6 flows in the S-shaped condensation radiating pipe 6, the fan 10 rotates to make the air flow from the first dustproof net 11 to the second dustproof net 12, the temperature of the condensation radiating pipe 6 is reduced, the gasified refrigerant liquid in the condensation radiating pipe 6 is cooled and condensed into liquid refrigerant liquid, the liquid refrigerant liquid slides into the circulating pipe 13 along the pipe wall of the condensation radiating pipe 6, the liquid refrigerant liquid in the circulating pipes 13 is gathered in the main pipe 5, because the main pipe 5 inclines rightwards, the liquid refrigerant liquid in the main pipe 5 flows to the right port of the condensation radiating pipe 6 and enters into the backflow cavity 14, and is mixed with the refrigerant liquid in the heat absorption cavity 3 through the backflow hole 15 in the backflow cavity 14, the heat is dissipated all the time circularly, the effect of cooling the electronic component 17 is achieved, and the device thickness is thinner, the difficulty of installing the circuit board is reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (2)
1. The high-efficiency heat dissipation device for the electronic components comprises a heat dissipation box (1) and the electronic components (17), and is characterized in that a fan box (8) is installed on the side face of the heat dissipation box (1), a third dust prevention net (9) is embedded and installed on the right side wall of the fan box (8), the heat dissipation box (1) is internally divided into a condensation cavity (7), a heat absorption cavity (3), a backflow cavity (14), a heating cavity (2) and a heat conduction module cavity (16), a heat conduction substrate (20) is installed in the heating cavity (2), a heat conduction sheet is fixedly installed on the side face of the heat conduction substrate (20), a plurality of heat dissipation sheets (4) are fixedly installed at the upper end of the heat conduction substrate (20), a backflow hole (15) is formed in the lower end of the inner side wall of the heat absorption cavity (3), the backflow hole (15) is communicated with the heat absorption cavity (3) and the backflow cavity (14), and heat absorption liquid is, a condensation heat dissipation mechanism is installed in the condensation cavity (7), the condensation heat dissipation mechanism comprises a condensation heat dissipation pipe (6), the left end opening of the condensation heat dissipation pipe (6) is inserted on the left side of the upper top wall of the heat absorption cavity (3), the right end opening of the condensation heat dissipation pipe (6) is inserted on the upper top wall of the backflow cavity (14), a heat insulation plate is installed at the left end of the condensation cavity (7), the left end of the condensation heat dissipation pipe (6) penetrates through the heat insulation plate for installation, a plurality of circulation pipes (13) are inserted at the lower end of the condensation heat dissipation pipe (6), the circulation pipes (13) are sequentially lengthened from left to right, the circulation pipes (13) are fixedly connected with a main flow pipe (5) together, the left end of the main flow pipe (5) is higher than the right end, a heat conduction module block (19) is installed in the heat conduction module cavity (16), and a flexible graphite connecting sheet (18) is, the lower end of the flexible graphite connecting sheet (18) is provided with a graphite heat conducting sheet (22) in an attaching mode, and the graphite heat conducting sheet (22) is attached to the surface of the electronic component (17).
2. The efficient heat dissipation device for electronic components as claimed in claim 1, wherein a first dust screen (11) is embedded in the upper bottom wall of the condensation chamber (7), and a second dust screen (12) is embedded in the side wall of the condensation chamber (7).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010671953.6A CN111712115A (en) | 2019-08-08 | 2019-08-08 | High-efficient heat abstractor of electronic components |
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| CN202010671953.6A CN111712115A (en) | 2019-08-08 | 2019-08-08 | High-efficient heat abstractor of electronic components |
| CN201910730997.9A CN110430733B (en) | 2019-08-08 | 2019-08-08 | High-efficient heat abstractor of electronic components |
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| CN113054042A (en) * | 2021-03-15 | 2021-06-29 | 河南城建学院 | Optoelectronic semiconductor component with substrate structure |
| CN114245667A (en) * | 2021-12-09 | 2022-03-25 | 蓝山县恒华米业有限公司 | Electromechanical device high efficiency heat abstractor is used in rice production |
| CN114885535A (en) * | 2021-08-08 | 2022-08-09 | 常州市金坛碳谷新材料科技有限公司 | Microstructure of graphite composite radiating fin and radiating method thereof |
| CN115451631A (en) * | 2022-09-21 | 2022-12-09 | 重庆奕翔化工有限公司 | Sealed water cooler of high-efficient heat transfer |
| CN115579714A (en) * | 2022-11-17 | 2023-01-06 | 济南邦德激光股份有限公司 | Laser device heat abstractor and laser device |
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| CN113054042B (en) * | 2021-03-15 | 2022-07-08 | 河南城建学院 | Optoelectronic semiconductor component with substrate structure |
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| CN115579714A (en) * | 2022-11-17 | 2023-01-06 | 济南邦德激光股份有限公司 | Laser device heat abstractor and laser device |
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| CN110430733A (en) | 2019-11-08 |
| CN110430733B (en) | 2020-11-20 |
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