CN211378612U

CN211378612U - Heat radiation conduit

Info

Publication number: CN211378612U
Application number: CN202020060856.9U
Authority: CN
Inventors: 洪银树; 尹佐国; 张怡鑫
Original assignee: Sunonwealth Electric Machine Industry Co Ltd
Current assignee: Sunonwealth Electric Machine Industry Co Ltd
Priority date: 2020-01-06
Filing date: 2020-01-13
Publication date: 2020-08-28
Anticipated expiration: 2030-01-13
Also published as: TWI805889B; TW202126980A; CN113079672A

Abstract

A heat dissipation pipe is used for solving the problem that the existing heat dissipation pipe is easy to deform due to too large bending angle. The method comprises the following steps: a tube having a first end and a second end, the tube having at least one curved section between the first end and the second end, an outer wall of the curved section having a circumferential length, the outer wall of the curved section having a plurality of grooves, the grooves having a forming arc length on the outer wall, the forming arc length not completely overlapping the circumferential length.

Description

Heat radiation conduit

Technical Field

The present invention relates to a heat dissipating pipe, and more particularly to a heat dissipating pipe which can be easily bent.

Background

With the rapid development of information industry, the data processing speed of computer devices is faster, and the generated heat is higher and higher, resulting in the temperature rise of devices; in order to prevent the temperature rise caused by the excessive heat energy accumulated during the operation of the electronic component, a heat dissipation pipe is required for heat dissipation, and the heat dissipation pipe can be a heat pipe of a heat dissipation system or a pipe of a water cooling system, and is widely applied to the field of heat dissipation of the electronic component. The existing heat dissipation pipe is provided with a pipe body, and working fluid is injected into the pipe body; therefore, the tube body can be used for being connected with a heating source and a heat radiation body, and heat generated by the heating source is conducted to the heat radiation body, so that the heat radiation effect is achieved.

However, in the conventional heat dissipation pipe, the heat source and the heat sink are disposed at different positions, and other components are disposed on the path between the heat source and the heat sink, so that the space usage limitation of the conventional heat pipe must be considered, and therefore, the conventional heat dissipation pipe needs to be bent to a required angle to avoid other components, so as to be suitable for various installation occasions; however, when bending the conventional heat dissipation pipe, even if the heat pipe is bent to a desired shape by using a jig and an instrument, the heat dissipation pipe is easily deformed if the bending angle is too large, and even the heat dissipation pipe is damaged.

In view of the above, there is still a need for improvement of the conventional heat dissipation pipe.

SUMMERY OF THE UTILITY MODEL

In order to solve the above problems, an object of the present invention is to provide a heat dissipation pipe, which can be easily bent to a large angle and is not easily deformed.

The utility model discloses a next purpose provides a heat dissipation pipe, can reduce manufacturing cost.

It is still another object of the present invention to provide a heat dissipating pipe, which can improve the convenience of manufacturing.

It is still another object of the present invention to provide a heat dissipation pipe, which can improve the heat dissipation efficiency.

The present invention relates to a directional device, and more particularly to a directional device, which is used to describe the direction of a user, such as "front", "back", "left", "right", "top", "bottom", "inner", "outer", "side", etc., without limitation.

The elements and components described throughout the present invention are referred to by the term "a" or "an" merely for convenience and to provide a general meaning of the scope of the invention; in the present invention, it is to be understood that one or at least one is included, and a single concept also includes a plurality unless it is obvious that other meanings are included.

The present invention relates to a method for manufacturing a semiconductor device, and more particularly to a method for manufacturing a semiconductor device, which can be used for manufacturing a semiconductor device, and a semiconductor device manufactured by the method.

The utility model discloses a heat dissipation pipe, include: a tube having a first end and a second end, the tube having at least one curved section between the first end and the second end, an outer wall of the curved section having a circumferential length, the outer wall of the curved section having a plurality of grooves, the grooves having a forming arc length on the outer wall, the forming arc length not completely overlapping the circumferential length.

Therefore, the utility model discloses a heat dissipation pipe utilizes this body to have an at least crooked section, and the outer wall of this crooked section has a plurality of slots, and the manufacturer can do the bending of great angle with this body through a plurality of slots, makes this body can easily be crooked to required shape or angle and difficult emergence is out of shape, makes this heat dissipation pipe can cooperate the installation space of various, can have the efficiency that promotes manufacturing convenience and installation convenience.

The bending section is provided with a bending inner side and a bending outer side which are opposite, and a plurality of grooves are positioned on the bending inner side. Therefore, the structure is simple and convenient to manufacture, and the effect of reducing the manufacturing cost is achieved.

Wherein, the length of the forming arc can be 1/8-3/4 times of the length of the circumference. Therefore, the groove can have enough length, so that the pipe body can be easily bent into a required shape, and the effect of improving the manufacturing convenience is achieved.

The number of the bending sections is multiple, and the bending directions of at least two bending sections can be different. Therefore, the installation structure can be suitable for different installation spaces and has the effect of improving the installation convenience.

Wherein, the outer wall and the inner wall of the bending section can have a pipe wall thickness therebetween, the groove can have a maximum groove depth, the maximum groove depth can be greater than or equal to 1/4 times of the pipe wall thickness, and the difference between the pipe wall thickness and the maximum groove depth can be greater than or equal to 0.1 mm. Therefore, the pipe body can be bent easily through the plurality of grooves, and the manufacturing convenience is improved.

The trench may have a width, and a space may be provided between any two adjacent trenches, and the space may be smaller than or equal to the width. Therefore, the manufacturing steps can be simplified by conveniently forming a plurality of grooves, and the manufacturing cost is reduced.

Wherein at least one of the plurality of widths may be greater than or equal to 2 times the pitch. Therefore, the pipe body can be bent easily through the plurality of grooves, and the manufacturing convenience is improved.

Wherein, the interval is formed by the outer wall of the bending section towards the direction of the inner wall to be gradually expanded. Therefore, the interval can form a trapezoid shape with a narrow top and a wide bottom, and the effect of enabling the pipe body to be bent more easily in a larger angle is achieved.

The trench may have a width, any two adjacent trenches may have a space therebetween, and at least one of the spaces may be greater than or equal to 2 times the width. Therefore, the bending section can not be excessively bent, and the effect of preventing the pipe body from being broken is achieved.

Wherein, can additionally include a working fluid, this working fluid is packed in this tube. Therefore, the utility model discloses heat dissipation pipe can be applied to water cooling system's pipe fitting, has the efficiency that promotes the convenience of use.

Wherein the working fluid may be a non-conductive liquid. Thus, even if the working fluid leaks, the system circuit is not short-circuited.

Wherein, can include a capillary structure in addition, this capillary structure is located this body, and first end and the second end of this body form and seal. Therefore, the utility model discloses heat pipe that heat dissipation pipe can be applied to cooling system has the efficiency that promotes the convenience of use.

Wherein, the capillary structure can be a porous mesh structure, a micro-groove or a sintered powder structure. Therefore, the flow of the working fluid due to the capillary phenomenon can be increased, and the effect of improving the good heat dissipation efficiency is achieved.

Wherein, the bending angle of the pipe body is more than or equal to 90 degrees. Therefore, the device has the effect of being matched with the configuration requirements of various installation spaces.

Wherein, the bottoms of the grooves are arc-shaped. Therefore, when the pipe body is bent, the situation that the pipe body is easy to break due to the fact that the bottoms of the grooves form sharp shapes can be avoided, and the effect of preventing the working fluid from leaking is achieved.

The groove may have two opposite wall edges, and an included angle may be greater than or equal to 90 degrees between the wall edge and the adjacent outer wall. Therefore, the tube body can be bent easily at a larger angle.

Wherein, the outer wall of the bending section can be coated with a curing layer. Therefore, the solidified layer can be attached to the plurality of grooves, and the effect of enhancing the structural strength of the plurality of grooves is achieved.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

FIG. 1: the first embodiment of the present invention is a perspective view which is not yet bent;

FIG. 2a: a cross-sectional view taken along line A-A of FIG. 1;

FIG. 2 b: the first embodiment of the utility model has a section view of the capillary structure and the working fluid inside;

FIG. 3: a cross-sectional view taken along line B-B of FIG. 2B;

FIG. 4 a: enlarged as shown in C of fig. 2 b;

FIG. 4 b: a schematic cross-sectional enlargement of another version C as in FIG. 2 b;

FIG. 5: the cross section of another form of the first embodiment of the present invention is enlarged schematically;

FIG. 6: the first embodiment of the present invention forms a curved plan view;

FIG. 7: a plan view of the second embodiment of the present invention which is not yet bent;

FIG. 8: the second embodiment of the present invention forms a curved plan view;

FIG. 9: the utility model discloses the heat dissipation pipe is applied to the frame picture of the pipe fitting of water cooling system.

Description of the reference numerals

[ utility model ] to solve the problems

1: pipe body

1a first end

1b second end

11: bending section

11a outer wall

11b inner wall

1c first pipe part

1d second pipe part

1e third tube part

111: curved inner side

112, curved outer side

12: a groove

12a wall edge

2: capillary structure

3 working fluid

4 curing the layer

Maximum depth of trench

G is the distance between

H is heat source

R1 circumference Length

R2 formed arc length

P is the pump

Q is a heat dissipation unit

S heat absorption unit

Wall thickness of pipe

W is width

And theta is the included angle.

Detailed Description

In order to make the above and other objects, features and advantages of the present invention more comprehensible, preferred embodiments accompanied with figures are described in detail as follows:

referring to fig. 1 and 2a, a first embodiment of a heat dissipation pipe of the present invention is shown, wherein fig. 1 and 2a show a form of the heat dissipation pipe that is not bent yet, and the heat dissipation pipe includes a pipe body 1. Please refer to fig. 2b additionally, the heat dissipation pipe of the present invention can be applied to the heat pipe of the heat dissipation system or the pipe fitting of the water cooling system, when the heat dissipation pipe of the present invention is applied to the heat pipe of the heat dissipation system, the inside of the pipe body 1 can have a capillary structure 2 and a working fluid 3, when the heat dissipation pipe of the present invention is applied to the pipe fitting of the water cooling system, the inside of the pipe body 1 can only have the working fluid 3, and the following description is made by taking the heat pipe of the heat dissipation system as an example, but not limited thereto.

Referring to fig. 1, the tube 1 has a first end 1a and a second end 1b, the first end 1a and the second end 1b can be closed as shown in fig. 2b, the tube 1 can be made of a material with high thermal conductivity such as copper or aluminum, the cross section of the tube 1 can be any geometric shape such as circular, flat tube or polygon, the present invention is not limited thereto, and the cross section of the tube 1 in this embodiment can be perfectly circular, so as to facilitate molding and simplify the manufacturing steps.

Referring to fig. 2a, 2b and 6, the tube 1 has at least one bending section 11, and the bending section 11 is located between the first end 1a and the second end 1 b; in the embodiment, the number of the curved sections 11 is one, and the curved section 11 may have a curved inner side 111 and a curved outer side 112 opposite to each other as shown in fig. 6. In detail, the outer wall 11a of the bending section 11 has a plurality of grooves 12, the plurality of grooves 12 can be located on the inner side 111 of the bending section, and the plurality of grooves 12 can be formed by, for example, stamping, without limitation; the pipe body 1 can be bent into any desired geometric shape such as an L shape, a U shape, or an N shape by the plurality of grooves 12, particularly, a shape having a bending angle of 90 degrees or more, and in this embodiment, the pipe body 1 is bent into a U shape. Preferably, the bottom of the plurality of grooves 12 may be arc-shaped; thus, when the pipe body 1 is bent, the pipe body 1 is prevented from being easily broken due to the sharp bottom of the grooves 12, and the working fluid 3 is prevented from leaking.

Referring to fig. 2a and 3, the outer wall 11a has a circumferential length R1, the groove 12 has a forming arc length R2 on the outer wall 11a, the forming arc length R2 does not completely overlap the circumferential length R1, the forming arc length R2 may be smaller than the circumferential length R1, and the non-overlapping portion of the forming arc length R3583 is located on the curved outer side 112 of the curved section 11, i.e., the forming arc length R2 and the circumferential length R1 only partially overlap, so that a plurality of grooves 12 are formed in a manner that they are not annularly arranged on the entire circumference of the curved section 11; preferably, the forming arc length R2 may be 1/8-3/4 times the circumferential length R1; thus, the groove 12 can have a sufficient length to allow the tube 1 to be easily bent into a desired shape, thereby improving the manufacturing convenience, and at the same time, the forming arc length R2 can be prevented from being too long to cause the bending outer side 112 of the bending section 11 to be broken, or the forming arc length R2 can be prevented from being too short to allow the tube 1 to be easily bent.

Referring to fig. 2a, fig. 4a and fig. 5, it is further illustrated that a tube wall thickness T may be provided between the outer wall 11a and the inner wall 11b of the curved section 11, the groove 12 may have a maximum groove depth D and a width W, and a distance G may be provided between any two adjacent grooves 12; the maximum depth D is preferably greater than or equal to 1/4 times the wall thickness T, and the difference between the wall thickness T and the maximum depth D is preferably greater than or equal to 0.1mm, so as to avoid the plurality of grooves 12 being too shallow to bend the tube 1, and avoid the plurality of grooves 12 being too deep to crack the tube 1, thereby improving the manufacturing convenience. In addition, the distance G is preferably less than or equal to the width W, so that the plurality of trenches 12 can be conveniently formed to simplify the manufacturing process. As shown in fig. 5, the distance G may be gradually increased from the outer wall 11a to the inner wall 11b, so that the distance G may be formed into a ladder shape with a narrow top and a wide bottom; therefore, the tube body 1 can be bent more easily at a larger angle. Furthermore, the groove 12 may have two opposite wall edges 12a, and the wall edges 12a and the adjacent outer wall 11a may have an included angle θ, which may be equal to 90 degrees as shown in fig. 4a or greater than 90 degrees as shown in fig. 5; thus, the tube 1 can be bent easily at a large angle.

Wherein, at least one of the plurality of pitches G may be greater than or equal to 2 times the width W as shown in fig. 4a, and at least one of the pitches G may be located within ± 45 degrees of the bending section 11; preferably, at least one of the gaps G may be located in the middle of the bending section 11 to prevent the bending section 11 from being bent excessively to cause the tube 1 to be broken. Alternatively, at least one of the widths W may be greater than or equal to 2 times the spacing G as shown in fig. 4b, and the at least one width W may be located within ± 45 degrees of the middle of the curved section 11; preferably, the at least one width W may be located at a middle portion of the bending portion 11, so that the pipe body 1 can be easily bent.

Referring to fig. 2b, the capillary structure 2 is located in the tube 1, and the capillary structure 2 may be a porous mesh structure, a micro-groove structure or a sintered powder structure, so as to increase the flow of the working fluid due to capillary phenomenon, so as to help the condensed working fluid to be recollected for backflow, so as to reabsorb the heat of the heat source, thereby enhancing the good heat dissipation performance.

The working fluid 3 is filled in the tube body 1 and contacts the capillary structure 2, the working fluid 3 can permeate into the capillary structure 2 and flow by capillary action, and the working fluid 3 can be water, alcohol or other liquid with low boiling point; preferably, the working fluid 3 may be a non-conductive liquid, so that even if the working fluid 3 leaks, a short circuit of the system circuit is not generated. The working fluid 3 can absorb heat from liquid state to evaporate into gas state, and further heat transfer is achieved by utilizing the change mechanism of the gas-liquid phase of the working fluid 3; and through being the enclosed state in this body 1, can avoid losing after this working fluid 3 forms the gaseous state to and avoid inside because the air occupies, compress to the space behind this working fluid 3 formation gaseous state, and then influence the radiating efficiency.

Referring to fig. 2a and fig. 6, according to the above structure, the heat dissipation pipe can be directly or indirectly connected to a heat source (not shown) for dissipating heat from the heat source, such as a central processing unit of a mobile phone, a computer or other electrical products, or an electronic component such as a chip on a circuit board that generates heat due to operation. Wherein, because the tube 1 has the bending section 11, and the plurality of grooves 12 of the bending section 11 can be located on the bending inner side 111, a manufacturer can bend the tube 1 at a larger angle through the plurality of grooves 12, so that the tube 1 can be easily bent to a desired shape or angle without deformation; therefore, a client can select a proper heat dissipation pipe, so that the heat dissipation pipe can be assembled, aligned and adjusted in height difference corresponding to the position of the heating source, and the heat dissipation pipe can be easily installed in a narrow space and can be matched with various installation spaces.

Referring to fig. 6, it is particularly noted that the outer wall 11a of the curved section 11 may be coated with a cured layer 4, so that the cured layer 4 may be attached to the plurality of grooves 12, thereby enhancing the structural strength of the plurality of grooves 12; thus, the pipe body 1 is not easily deformed in a shape or angle formed after being bent. The solidified layer 4 is preferably selected from a solder liquid.

Fig. 7 and 8 show a second embodiment of the heat dissipation pipe of the present invention, wherein fig. 7 shows a form that the heat dissipation pipe is not bent, the number of the bent sections 11 is multiple, and the bending directions of at least two bent sections 11 are different. In this embodiment, the number of the curved sections 11 is two, the curved directions of the two curved sections 11 are different, so that the tube 1 can be curved into an S shape, and the grooves 12 of the two curved sections 11 can be locally aligned on the outer wall 11a as shown in fig. 8; in other embodiments, the pipe body 1 may be bent into other shapes, so that the grooves 12 of the two bending sections 11 may be locally aligned or not aligned.

Referring to fig. 9, in addition, when the heat dissipation pipe of the present invention is applied to a pipe of a water cooling system, the pipe body 1 can be easily bent to a desired shape or angle through a plurality of grooves 12, so that the pipe body 1 can be communicated with a pump P and a heat absorption unit S by a first pipe portion 1c, and the heat absorption unit S can be attached to a heat source H of an electronic device, for example; the tube 1 can further include a second tube 1d connecting the pump P and the heat dissipating unit Q, and a third tube 1e connecting the heat absorbing unit S and the heat dissipating unit Q; the pump P and the tube 1 have the working fluid 3 therein. Therefore, the working fluid 3 in the tube 1 and located at the heat absorption unit S can absorb heat energy to increase the temperature, and is guided to the heat dissipation unit Q by the operation of the pump P, thereby cooling while passing through the heat dissipation unit Q, and is guided to the heat absorption unit S again after cooling; the circulation is continuously carried out, so that the heat source H can be effectively cooled.

To sum up, the utility model discloses a heat dissipation pipe utilizes this body to have an at least crooked section, and the outer wall of this crooked section has a plurality of slots, and the manufacturer can do the bending of great angle with this body through a plurality of slots, makes this body can easily be crooked to required shape or angle and difficult emergence is out of shape, makes this heat dissipation pipe can cooperate mounting space of various kinds, can have the efficiency that promotes manufacturing convenience and installation convenience.

Claims

1. A heat dissipation conduit, comprising:

a tube having a first end and a second end, the tube having at least one curved section between the first end and the second end, an outer wall of the curved section having a circumferential length, the outer wall of the curved section having a plurality of grooves, the grooves having a shaped arc length on the outer wall, the shaped arc length not completely overlapping the circumferential length.

2. The heat dissipating conduit according to claim 1, wherein the curved section has an inner curved side and an outer curved side opposite to each other, and the plurality of grooves are located on the inner curved side.

3. The heat dissipating conduit according to claim 1, wherein the shaped arc has a length 1/8 to 3/4 times the circumferential length.

4. The heat dissipating conduit according to claim 1, wherein the number of the bent portions is plural, and at least two of the bent portions have different bending directions.

5. The heat dissipation conduit of any one of claims 1 to 4, wherein the outer wall and the inner wall of the curved section have a tube wall thickness therebetween, the channel has a maximum groove depth, the maximum groove depth is greater than or equal to 1/4 times the tube wall thickness, and a difference between the tube wall thickness and the maximum groove depth is greater than or equal to 0.1 mm.

6. The heat dissipating conduit according to any one of claims 1 to 4 wherein the grooves have a width and a spacing between any two adjacent grooves is less than or equal to the width.

7. The heat dissipating conduit according to claim 6, wherein at least one of the plurality of widths is greater than or equal to 2 times the spacing.

8. The heat dissipating conduit according to claim 6, wherein the spacing is formed to diverge from the outer wall of the curved section toward the inner wall.

9. The heat dissipating conduit according to any one of claims 1 to 4 wherein the grooves have a width, and wherein there is a spacing between any two adjacent grooves, at least one of the spacings being greater than or equal to 2 times the width.

10. The heat dissipating conduit according to any one of claims 1 to 4, further comprising a working fluid filled in the tube body.

11. The heat dissipating conduit according to claim 10, wherein the working fluid is a non-conductive liquid.

12. The heat dissipating conduit according to claim 10, further comprising a capillary structure disposed within the tube, the first end and the second end of the tube being sealed.

13. The heat dissipation conduit according to claim 12, wherein the capillary structure is a porous mesh structure, micro-grooves, or a sintered powder structure.

14. The heat dissipating conduit according to any one of claims 1 to 4, wherein the tube has a bending angle of 90 degrees or more.

15. The heat dissipating conduit according to any one of claims 1 to 4 wherein the bottoms of the plurality of grooves are curved.

16. The heat dissipating conduit according to any one of claims 1 to 4 wherein the channel has opposing wall edges that form an angle with the adjacent outer wall, the angle being greater than or equal to 90 degrees.

17. The heat dissipation conduit according to any one of claims 1 to 4, wherein the outer wall of the curved section is coated with a cured layer.