CN220340658U - Novel heat pipe radiator - Google Patents

Novel heat pipe radiator Download PDF

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Publication number
CN220340658U
CN220340658U CN202320471469.8U CN202320471469U CN220340658U CN 220340658 U CN220340658 U CN 220340658U CN 202320471469 U CN202320471469 U CN 202320471469U CN 220340658 U CN220340658 U CN 220340658U
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heat
capillary tube
pipe
radiator
heat pipe
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CN202320471469.8U
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童保健
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Huajing Micro Nano Technology Suzhou Co ltd
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Huajing Micro Nano Technology Suzhou Co ltd
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Abstract

The utility model discloses a novel heat pipe radiator. The heat pipe radiator comprises a capillary tube, at least two heat collecting elements, a three-way pipe and a process pipe, wherein the capillary tube is connected end to end, is bent for a plurality of times to form a single circulation loop, and is filled with working medium to form a pulsating heat pipe; the capillary tube is divided into a heat absorption section and a heat dissipation section, each heat collection element is arranged on the outer wall of the heat absorption section of the capillary tube, and the distance between any two heat collection elements is not less than 20mm; the three-way pipe is communicated with the capillary pipe, and the process pipe is communicated with the three-way pipe. The novel heat pipe radiator disclosed by the utility model has the advantages that the heat of the plurality of heat collecting units is collected and then is placed in the convenient heat dissipation area for heat dissipation, so that the flexibility of design is improved, compared with the traditional heat dissipation, the waste of resources can be reduced, the heat transmission efficiency is improved, the novel heat pipe radiator can be applied to the complex situation of a plurality of heat sources, and has the advantages of simple process, compact structure and high reliability.

Description

Novel heat pipe radiator
Technical Field
The utility model relates to the field of radiators, in particular to a novel heat pipe radiator.
Background
In modern technological development, a large number of precise electronic products such as computers and projectors often adopt integrated circuits, and the integrated circuits generate heat in the high-speed operation process, if the heat is accumulated, the temperature of the integrated circuits is increased, the operation of a system is affected, and the service life of the system is reduced, so that the heat dissipation problem can limit the continuous development of industry.
Conventional circuit boards often have a plurality of heat generating units thereon, and are generally difficult to place in a concentrated manner, and the heat generating areas often have inconvenient arrangement of heat radiating units for releasing heat to the air, so that it is often difficult to transfer the heat of the heat generating areas to an area suitable for concentrated heat radiation.
In heat dissipation of compact electronic products such as notebooks, flattened heat pipes are often used to transfer heat to corners for heat dissipation. However, such a flat heat pipe has disadvantages in that a process is complicated, a wick is required inside, and the bending angle is limited. If the heat radiator is placed on each heating element by selecting the compact type sacrificial machine, the air can circulate through the whole circuit board, so that not only the heating elements can be mutually influenced, but also the dust collecting speed of the elements is improved.
Disclosure of Invention
In order to solve the problems, the utility model provides a novel heat pipe radiator.
According to one aspect of the utility model, a novel heat pipe radiator is provided, comprising a capillary tube, at least two heat collecting elements, a three-way pipe and a process pipe, wherein the capillary tube is connected end to end, is bent for a plurality of times to form a single circulation loop, and is filled with a working medium to form a pulsating heat pipe; the capillary tube is divided into a heat absorption section and a heat dissipation section, each heat collection element is arranged on the outer wall of the heat absorption section of the capillary tube, and the distance between any two heat collection elements is not less than 20mm; the three-way pipe is communicated with the capillary pipe, and the process pipe is communicated with the three-way pipe.
In some embodiments, a portion of the capillary tube forms a wrap spring bend or a few bends and has an axial bend radius greater than 2 times the diameter of the capillary tube. It is advantageous to describe the structural shape of the capillary portion.
In some embodiments, the capillary is made of a metal material, and has an inner diameter of 0.3mm to 5mm and a number of bends of not less than 5. It is advantageous to describe the various parameter ranges of the capillary.
In some embodiments, the capillary tube is end sealed to form a single flow loop after bending, or welded to form a single flow loop after bending. This is beneficial in that the manner in which the capillaries form a single flow-through loop is described.
In some embodiments, the working medium is R134a refrigerant, or a mixture of one or more of water, ammonia, freon, fluorinated liquids, acetone, methanol, ethanol. It is advantageous in that the kind of working medium is described.
In some embodiments, the capillary tube and the heat collecting element are connected by crimping, welding or die casting, wherein a heat conducting interface material is arranged between the heat collecting element and the capillary tube which are connected by crimping. The connection of the capillary tube to the heat collecting element is described.
In some embodiments, each of the heat collecting elements is made of aluminum, aluminum alloy, copper or copper alloy, and one of the faces is a smooth plane. The heat collecting element has the advantage that the material of the heat collecting element is described.
In some embodiments, an auxiliary heat sink is also provided on the surface of the capillary tube. The auxiliary radiator is arranged to improve the radiating effect.
In some embodiments, the auxiliary radiator is a heat pipe radiator or a liquid cooled radiator. This is advantageous in that alternative types of auxiliary heat sinks are described.
The novel heat pipe radiator disclosed by the utility model has the advantages that the heat of the plurality of heat collecting units is collected and then is placed in the convenient heat dissipation area for heat dissipation, so that the flexibility of design is improved, compared with the traditional heat dissipation, the waste of resources can be reduced, the heat transmission efficiency is improved, the novel heat pipe radiator can be applied to the complex situation of a plurality of heat sources, and has the advantages of simple process, compact structure and high reliability.
Drawings
FIG. 1 is a schematic top view of a novel heat pipe radiator according to an embodiment of the present utility model;
FIG. 2 is a schematic side view of a heat pipe radiator of the novel type shown in FIG. 1;
FIG. 3 is a schematic top view of a heat pipe radiator according to a second embodiment of the present utility model;
FIG. 4 is a schematic side view of a heat pipe radiator of the new type shown in FIG. 3;
FIG. 5 is a schematic top view of a heat pipe radiator according to a third embodiment of the present utility model;
fig. 6 is a schematic side view of the novel heat pipe radiator shown in fig. 5.
In the figure: capillary tube 1, heat collecting element 2, three-way pipe 3, process tube 4, auxiliary radiator 5.
Detailed Description
The utility model is described in further detail below with reference to the accompanying drawings.
Example 1
Fig. 1 schematically illustrates a top view of a novel heat pipe radiator according to an embodiment of the present utility model, and fig. 2 illustrates a side view of the novel heat pipe radiator of fig. 1. As shown in fig. 1-2, the radiator mainly comprises a capillary tube 1, at least two heat collecting elements 2 (two are taken in this embodiment), a three-way pipe 3 and a process pipe 4, wherein the capillary tube 1 is connected end to end and is bent for a plurality of times to form a single circulation loop (which can be called a pulsating heat pipe), and the interior of the circulation loop is filled with a working medium.
The capillary tube 1 is divided into a heat absorbing section for absorbing heat and a heat dissipating section for dissipating heat, and both heat collecting elements 2 are mounted on the outer wall of the heat absorbing section of the capillary tube 1. The capillary tube 1 and the heat collecting element 2 can be connected by adopting a crimping, welding or die casting mode, and when the crimping connection is adopted, a heat conduction interface material is arranged between the contact surfaces of the heat collecting element 2 and the capillary tube 1.
In this embodiment, both heat collecting elements 2 are die-cast heat collecting elements.
The capillary tube 1 may be formed into a single circulation loop by end sealing after bending, or may be formed into a single circulation loop by welding after bending.
As shown in fig. 2, in order to increase the heat exchange amount per unit volume, a part of the heat dissipation section of the capillary tube 1 is bent to form a coiled spring type bending structure, the bending radius thereof is 3mm, and the axial bending radius thereof is greater than 2 times the diameter of the capillary tube 1.
The capillary 1 is made of metal material, the inner diameter size of the capillary is 0.3 mm-5 mm, and the bending times are not less than 5 times. In the present embodiment, the capillary 1 is made of 304 stainless steel, and has an inner diameter of 1.0mm and a number of bends of 48 times (the number of bends of an increased area is not counted).
In the present embodiment, two heat collecting elements 2 may be made of aluminum, aluminum alloy, copper or copper alloy (made of aluminum alloy in the present embodiment), and one face of each heat collecting element 2 is a smooth plane and is connected to a heat generating body.
The spacing between any two heat collecting elements 2 is not less than 20mm, whereas in the present embodiment the spacing between two heat collecting elements 2 is 30mm.
Two orifices of the three-way pipe 3 are communicated with the capillary 1, the process pipe 4 is communicated with the other orifice of the three-way pipe 3, and then working medium can be filled into the capillary 1 through the process pipe 4 and the three-way pipe 3, and sealing is needed after filling is completed. In this embodiment, the working medium is R134a refrigerant.
Example two
Fig. 3 schematically illustrates a top view of a novel heat pipe radiator according to an embodiment of the present utility model, and fig. 4 illustrates a side view of the novel heat pipe radiator of fig. 3. As shown in fig. 3-4, the radiator mainly comprises a capillary tube 1, at least two heat collecting elements 2 (two are taken in this embodiment), a three-way tube 3, a process tube 4 and an auxiliary radiator 5, wherein the capillary tube 1 is connected end to end and is bent for a plurality of times to form a single circulation loop (which can be called a pulsating heat pipe), and the interior of the circulation loop is filled with a working medium.
The capillary tube 1 is divided into a heat absorption section for absorbing heat and a heat dissipation section for dissipating heat, and two heat collecting elements 2 are both mounted on the outer wall of the heat absorption section of the capillary tube 1, and the interval between any two heat collecting elements 2 is not less than 20mm. The capillary tube 1 and the heat collecting element 2 can be connected by adopting a crimping, welding or die casting mode, and when the crimping connection is adopted, a heat conduction interface material is arranged between the contact surfaces of the heat collecting element 2 and the capillary tube 1. In this embodiment, one of the two heat collecting elements 2 is a die-cast heat collecting element, and the other is a press-contact heat collecting element.
The capillary tube 1 may be formed into a single circulation loop by end sealing after bending, or may be formed into a single circulation loop by welding after bending.
As shown in fig. 4, in order to increase the heat exchange amount per unit volume, a part of the heat dissipation section of the capillary tube 1 is bent to form a curved structure of a shape of a few, the bending radius of which is 4mm, and the axial bending radius of which is greater than 2 times the diameter of the capillary tube 1.
The capillary 1 is made of metal material, the inner diameter size of the capillary is 0.3 mm-5 mm, and the bending times are not less than 5 times. In the present embodiment, however, the capillary 1 is made of copper, and has an inner diameter of 1.5mm and a number of bends of 48 times (the number of bends of an increased area is not counted).
The heat collecting elements 2 may be made of aluminum, aluminum alloy, copper or copper alloy (made of aluminum alloy in this embodiment), and one face of each heat collecting element 2 is a smooth plane and is connected to a heat generating body.
Two orifices of the three-way pipe 3 are communicated with the capillary 1, the process pipe 4 is communicated with the other orifice of the three-way pipe 3, and then working medium can be filled into the capillary 1 through the process pipe 4 and the three-way pipe 3, and sealing is needed after filling is completed. In this embodiment, the working medium is water.
The auxiliary radiator 5 is provided on the surface of the radiating portion of the capillary tube 1, and can improve the radiating effect. The auxiliary radiator 5 is a heat pipe radiator, and is bonded with the capillary tube 1 by crimping or welding.
Example III
Fig. 5 schematically illustrates a top view of a novel heat pipe radiator according to an embodiment of the present utility model, and fig. 6 illustrates a side view of the novel heat pipe radiator of fig. 5. As shown in fig. 5 to 6, the radiator mainly comprises a capillary tube 1, at least two heat collecting elements 2 (two are taken in this embodiment), a three-way tube 3, a process tube 4 and an auxiliary radiator 5, wherein the capillary tube 1 is connected end to end and is bent for a plurality of times to form a single circulation loop (which can be called a pulsating heat pipe), and the interior of the circulation loop is filled with a working medium.
The capillary tube 1 is divided into a heat absorption section for absorbing heat and a heat dissipation section for dissipating heat, and two heat collecting elements 2 are both arranged on the outer wall of the heat absorption section of the capillary tube 1, and the distance between any two heat collecting elements 2 is not less than 20mm. The capillary tube 1 and the heat collecting element 2 can be connected by adopting a crimping, welding or die casting mode, and when the crimping connection is adopted, a heat conduction interface material is arranged between the contact surfaces of the heat collecting element 2 and the capillary tube 1. In this embodiment, both heat collecting elements 2 are crimp type heat collecting elements.
The capillary tube 1 may be formed into a single circulation loop by end sealing after bending, or may be formed into a single circulation loop by welding after bending.
The capillary 1 is made of metal material, the inner diameter size of the capillary is 0.3 mm-5 mm, and the bending times are not less than 5 times.
In the present embodiment, two heat collecting elements 2 may be made of aluminum, aluminum alloy, copper or copper alloy (made of aluminum alloy in the present embodiment), and one face of each heat collecting element 2 is a smooth plane and is connected to a heat generating body.
Two orifices of the three-way pipe 3 are communicated with the capillary 1, the process pipe 4 is communicated with the other orifice of the three-way pipe 3, and then working medium can be filled into the capillary 1 through the process pipe 4 and the three-way pipe 3, and sealing is needed after filling is completed. In this embodiment, the working medium may be R134a refrigerant, or may be a mixture of one or more of water, ammonia, freon, a fluorinated solution, acetone, methanol, and ethanol.
The auxiliary radiator 5 is provided on the surface of the heat radiation area of the capillary tube 1, and can improve the heat radiation effect. The auxiliary radiator 5 is a liquid-cooled radiator, which is combined with the capillary tube 1 by pressure welding or soldering, and the auxiliary radiator 5 is provided with at least one inlet and one outlet, and the inlet liquid-cooled working medium is supercooled liquid phase or gas-liquid two-phase.
What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims (8)

1. A novel heat pipe radiator, characterized in that: the heat-collecting device comprises a capillary tube (1), at least two heat-collecting elements (2), a three-way pipe (3) and a process pipe (4), wherein the capillary tube (1) is connected end to end, is bent for a plurality of times to form a single circulation loop, and is filled with a working medium to form a pulsating heat pipe; the capillary tube (1) is divided into a heat absorption section and a heat dissipation section, each heat collection element (2) is arranged on the outer wall of the heat absorption section of the capillary tube (1), and the distance between any two heat collection elements (2) is not less than 20mm; the three-way pipe (3) is communicated with the capillary tube (1), and the process pipe (4) is communicated with the three-way pipe (3).
2. A novel heat pipe radiator as claimed in claim 1, wherein: a part of the heat radiation section of the capillary tube (1) forms a coiled spring type bending structure or a table type bending structure, and the axial bending radius of the heat radiation section is larger than 2 times of the diameter of the capillary tube (1).
3. A novel heat pipe radiator as claimed in claim 1, wherein: the capillary tube (1) is made of metal materials, the inner diameter size is 0.3 mm-5 mm, and the bending times are not less than 5 times.
4. A novel heat pipe radiator as claimed in claim 1, wherein: the capillary tube (1) is subjected to end sealing after bending to form a single circulation loop, or is subjected to welding after bending to form a single circulation loop.
5. A novel heat pipe radiator as claimed in claim 1, wherein: the capillary tube (1) and the heat collecting element (2) are connected in a crimping, welding or die casting mode, wherein a heat conducting interface material is arranged between the heat collecting element (2) and the capillary tube (1) which are connected in a crimping mode.
6. A novel heat pipe radiator as claimed in claim 1, wherein: each heat collecting element (2) is made of aluminum, aluminum alloy, copper or copper alloy, and one surface is a smooth plane.
7. A novel heat pipe radiator as claimed in claim 1, wherein: an auxiliary radiator (5) is further arranged on the surface of the capillary tube (1).
8. The novel heat pipe radiator as claimed in claim 7, wherein: the auxiliary radiator (5) is a heat pipe radiator or a liquid cooling radiator.
CN202320471469.8U 2023-03-13 2023-03-13 Novel heat pipe radiator Active CN220340658U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202320471469.8U CN220340658U (en) 2023-03-13 2023-03-13 Novel heat pipe radiator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202320471469.8U CN220340658U (en) 2023-03-13 2023-03-13 Novel heat pipe radiator

Publications (1)

Publication Number Publication Date
CN220340658U true CN220340658U (en) 2024-01-12

Family

ID=89457198

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202320471469.8U Active CN220340658U (en) 2023-03-13 2023-03-13 Novel heat pipe radiator

Country Status (1)

Country Link
CN (1) CN220340658U (en)

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