CN217131941U

CN217131941U - Gradually-connected heat pipe radiator

Info

Publication number: CN217131941U
Application number: CN202220024031.0U
Authority: CN
Inventors: 林琼榕; 陈海强
Original assignee: Special Energy Xiamen Superconducting Technology Co ltd
Current assignee: Special Energy Xiamen Superconducting Technology Co ltd
Priority date: 2022-01-06
Filing date: 2022-01-06
Publication date: 2022-08-05
Anticipated expiration: 2032-01-06

Abstract

The utility model discloses a pass and connect formula heat pipe radiator, it includes: a heat sink base; the radiating fin group is arranged at intervals with the heat absorption base; the heat pipe set comprises a first heat pipe piece and a second heat pipe piece located on the side of the first heat pipe piece, the first heat pipe piece and the second heat pipe piece are respectively provided with an evaporation section and a condensation section, each evaporation section is connected with the heat absorption base, each condensation section is inserted in the radiating fin set, and the top edge of the condensation section of the first heat pipe piece is higher than that of the condensation section of the second heat pipe piece; and the third hot pipe fitting is inserted in the radiating fin group and is positioned on the radial side of the condensation section of the first hot pipe fitting and above the top edge of the condensation section of the second hot pipe fitting. By the structure, the lengths of the first heat pipe fitting, the second heat pipe fitting and the third heat pipe fitting are relatively short, so that the heat power attenuation of the radiator can be reduced; and the radiator can have higher heat transfer efficiency in the counter-gravity environment, and the heat dissipation efficiency of the heat dissipation assembly is improved.

Description

Gradually-connected heat pipe radiator

Technical Field

The utility model relates to a heat abstractor technical field, in particular to heat pipe radiator.

Background

Some electric devices have a heat source with large and concentrated heat generation amount, and need to be provided with a radiator, and the heat generated by the heat source is absorbed, conducted and radiated through the radiator. Some heat sinks are provided with heat pipes for absorbing and transferring heat in order to improve heat conduction efficiency, and heat dissipation fins are provided to match with the heat pipes, so that heat is transferred to the heat dissipation fins through the heat pipes, and is dissipated through the heat dissipation fins. However, due to the influence of gravity, the heat pipes cannot be arranged too long, and the longer heat pipes cannot realize effective heat transfer in an environment of antigravity, that is, the longer heat pipes have lower heat transfer efficiency in environments of antigravity and the like, the longer heat pipes are, the faster the thermal power of the heat sink is attenuated, and if the shorter heat pipes are arranged, the heat sink cannot be arranged in a large size, so that the heat dissipation surface area of the heat sink is smaller, and the heat dissipation efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a pass and connect formula heat pipe radiator can implement effectual heat transfer under the adverse gravity environment, reduces the thermal power decay to can improve the radiating efficiency.

To achieve the above object, there is provided a step-type heat pipe radiator, comprising: a heat sink base; the heat radiating fin group is arranged at intervals with the heat absorbing base; the heat pipe set comprises a first heat pipe piece and a second heat pipe piece located on the side of the first heat pipe piece, the first heat pipe piece and the second heat pipe piece are respectively provided with an evaporation section and a condensation section, each evaporation section is connected with the heat absorption base, each condensation section is inserted in the radiating fin set, and the top edge of the condensation section of the first heat pipe piece is higher than that of the condensation section of the second heat pipe piece; and the third hot pipe fitting is inserted in the radiating fin group and is positioned on the radial side of the condensation section of the first hot pipe fitting and above the top edge of the condensation section of the second hot pipe fitting.

According to the step-by-step heat pipe radiator, the end part of the third heat pipe fitting is connected with the top edge of the condensation section of the second heat pipe fitting; and/or

The side surface of the third hot pipe fitting is connected with the side surface of the condensation section of the first hot pipe fitting.

According to the gradually-connected heat pipe radiator, the first heat pipe fitting and the second heat pipe fitting are both set to be U-shaped.

According to the gradually-connected heat pipe radiator, the heat absorption base comprises a first heat absorption base and a second heat absorption base, and the evaporation section is arranged between the first heat absorption base and the second heat absorption base.

According to the gradually-connected heat pipe radiator, the third heat pipe fitting is vertically arranged, and the top edge of the third heat pipe fitting is higher than that of the condensation section of the first heat pipe fitting.

The progressively-connected heat pipe radiator further comprises a fourth heat pipe fitting, wherein the fourth heat pipe fitting is inserted into the heat fin group and is positioned on the side of the heat pipe group, and the bottom edge of the fourth heat pipe fitting is lower than the top edge of the condensation section of the second heat pipe fitting.

According to the step-by-step heat pipe radiator, the radiating fin group comprises a plurality of fins which are sequentially arranged along the axial direction of the condensing section, jacks are formed in the fins, and the condensing section and the third heat pipe element are inserted into the corresponding jacks.

According to the step-by-step heat pipe radiator, the surrounding edge part is arranged on each fin at the insertion hole.

According to the gradually-connected heat pipe radiator, the front side edge and the rear side edge of each fin are respectively provided with a first folded edge, and the first folded edge and the surrounding edge part are positioned on the same side of the fin and are equal in height.

The gradually-connected heat pipe radiator further comprises two side plates, wherein the two side plates are respectively arranged on the front side and the rear side of the radiating fin group and are respectively fixedly connected with the corresponding first folding edge.

The scheme has at least one of the following beneficial effects: through the structure, the lengths of the first heat pipe fitting, the second heat pipe fitting and the third heat pipe fitting are all relatively short, so that the thermal power attenuation of the heat radiator can be reduced, and the problem that the thermal power of the heat radiator is quickly attenuated due to the longer heat pipe is avoided; the radiator can have higher heat transfer efficiency in an anti-gravity environment and a horizontal environment, namely effective heat transfer can be implemented, and the heat dissipation efficiency of the heat dissipation assembly is improved; the heat pipe set and the third heat pipe 40 transfer heat in a transfer mode, and the end part and the side part of the third heat pipe can quickly absorb heat from the condensation section, so that the heat absorption rate of the third heat pipe is improved.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

FIG. 1 is a block diagram of an embodiment of the present invention;

fig. 2 is a cross-sectional view of an embodiment of the present invention;

fig. 3 is an exploded view of an embodiment of the present invention;

fig. 4 is an exploded view of a fin pack.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the terms greater than, less than, exceeding, etc. are understood to exclude the number, and the terms above, below, inside, etc. are understood to include the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 4, a step-by-step heat pipe radiator includes a heat absorption base 10, a heat dissipation plate set 20, a heat pipe set 30 and a third heat pipe 40, wherein the heat dissipation plate set 20 is arranged at a distance from the heat absorption base 10, the heat pipe set 30 includes a first heat pipe 31 and a second heat pipe 32 located at a side of the first heat pipe 31, the first heat pipe 31 and the second heat pipe 32 each have an evaporation section 33 and a condensation section 34, each evaporation section 33 is in contact with or fixedly connected to the heat absorption base 10, each condensation section 34 is inserted into the heat dissipation plate set 20, and a top edge of the condensation section 34 of the first heat pipe 31 is higher than a top edge of the condensation section 34 of the second heat pipe 32. The third hot pipe 40 is also inserted into the fin group 20, and the third hot pipe 40 is located at the radial side of the condensation section 34 of the first hot pipe 31 and above the top edge of the condensation section 34 of the second hot pipe 32.

In operation, the heat absorption base 10 contacts a heat source, absorbs heat from the heat source through the evaporation section 33, and then rapidly conducts the heat to the condensation section 34, a part of the heat of the condensation section 34 is dissipated through the fin group 20 in contact with the heat absorption base, a part of the heat is conducted to the third heat pipe 40, and after heat absorption, the third heat pipe 40 rapidly conducts the heat to a position far away from the heat pipe group 30, and conducts the heat to the fin group 20 in contact with the heat pipe group for dissipation. Relatively speaking, the length of first hot pipe fitting 31, second hot pipe fitting 32 and third hot pipe fitting 40 all can be relatively short, can reduce the utility model discloses the thermal power decay of radiator avoids the heat pipe longer and makes the faster problem of thermal power decay of radiator, and makes the radiator can have higher heat transfer efficiency under adverse gravity environment, horizontal environment, can implement effectual heat transfer promptly, improves radiator unit's radiating efficiency. Moreover, the heat pipe set 30 and the third heat pipe 40 transfer heat in a transfer manner, and both the end and the side of the third heat pipe 40 can quickly absorb heat from the condensation section, so that the heat absorption rate of the third heat pipe 40 is increased. Therefore, the utility model discloses a heat pipe radiator unit can implement effectual heat transfer under the adverse gravity environment, reduces the thermal power decay, and can improve the radiating efficiency.

Specifically, an end of the third heat pipe 40 is in contact with or fixedly connected to a top edge of the condensing section 34 of the second heat pipe 32, so that heat of the heat pipe set 30 can be quickly transferred to the third heat pipe 40. Similarly, the side of the third heat pipe 40 can also contact or be fixedly connected to the side of the condensation section 34 of the first heat pipe 31, so that the heat of the heat pipe set 30 can be quickly transferred to the third heat pipe 40. Therefore, the side surface and the end part of the third heat pipe element 40 can directly absorb heat from the heat pipe set 30, so that the thermal resistance is reduced, and the heat absorption rate of the third heat pipe element 40 can be improved.

The first and

second heat pipes

31 and 32 are both U-shaped, that is, the condensation sections 34 are disposed on both sides of the first and

second heat pipes

31 and 32. The first heat pipe fittings 31 and the second heat pipe fittings 32 are arranged in a plurality of numbers and are arranged in sequence in an alternating manner, the condensation sections 34 on one sides of the first heat pipe fittings 31 and the second heat pipe fittings 32 are located on a first plane, the condensation sections 34 on the other sides of the first heat pipe fittings 31 and the second heat pipe fittings 32 are located on a second plane, and the third heat pipe fittings 40 are arranged between the condensation sections 34 of two adjacent first heat pipe fittings 31.

The heat absorption base 10 comprises a first heat absorption seat 11 and a second heat absorption seat 12, and the evaporation section 33 is arranged between the first heat absorption seat 11 and the second heat absorption seat 12. The opposite sides of the first heat absorption seat 11 and the second heat absorption seat 12 are provided with grooves for accommodating the evaporation sections 33, so that each evaporation section 33 can be installed and positioned.

The third heat pipe 40 is in a vertically arranged strip shape, a top edge of the third heat pipe 40 is higher than a top edge of the condensation section 34 of the first heat pipe 31, and the third heat pipe 40 can conduct heat of the condensation section 34 upwards to a higher position, so that the fin group 20 can have a larger height size, and the heat dissipation surface area of the fin group 20 is increased.

In some embodiments, the third heat pipe 40 may also have an L-shaped structure, a U-shaped structure, and the like, which are vertically arranged.

The utility model discloses a radiator still includes fourth hot pipe fitting 50, and fourth hot pipe fitting 50 cartridge is in fin group 20 to be located the side of heat pipe group 30, and the bottom edge of fourth hot pipe fitting 50 is less than the top edge of condensation section 34 of second hot pipe fitting 32, can make fin group 20 have bigger width size through fourth hot pipe fitting 50, increase fin group 20's heat radiating surface area.

The fin group 20 includes a plurality of fins 21 sequentially arranged along an axial direction of the condensing section 34, the fins 21 are provided with insertion holes, and the condensing section 34, the third hot pipe 40 and the fourth hot pipe 50 are inserted into the corresponding insertion holes. That is, according to the difference of the height positions of the fins 21, a part of the fins 21 are sleeved on the fourth hot tube 50 and the condensing section 34, a part of the fins 21 are sleeved on the third hot tube 40, the fourth hot tube 50 and the condensing section 34, and a part of the fins 21 are sleeved on the third hot tube 40 and the fourth hot tube 50.

All be provided with surrounding edge portion 23 in the jack department on each fin 21, according to the difference in the high position that fin 21 is located, some pastes and locates condensation section 34, some pastes and locates third hot pipe fitting 40, and some pastes and locates fourth hot pipe fitting 50 on the surrounding edge portion 23 that sets up on it, so can make and have bigger heat transfer rate between each hot pipe fitting and the fin.

Each fin 21 is provided with a first folded edge 24 at the front and rear side edges, the first folded edge 24 and the peripheral edge portion 23 are located on the same side of the fin 21, and the first folded edge 24 and the peripheral edge portion 23 are equal in height. Meanwhile, each fin 21 is provided with a second flange 25 at the left and right side edges, the second flange 25 and the surrounding edge portion 23 are located at the same side of the fin 21, and the second flange 25 and the surrounding edge portion 23 are equal in height. Specifically, the first flange 24, the second flange 25 and the peripheral edge portion 23 are all located at the top of the fins 21, the top edges of the first flange 24, the second flange 25 and the peripheral edge portion 23 are located on the same horizontal plane, and in two adjacent fins 21, the first flange 24, the second flange 25 and the peripheral edge portion 23 on the lower side fin 21 are all abutted against the bottom surface of the upper side fin 21. Through the structure, the fins 21 are enabled to have high stability when being sequentially arranged and stacked, the space between the adjacent fins 21 is uniform, and in addition, the fins 21 can be well supported, so that the fins are prevented from being pressed and deformed in a concave manner.

In some embodiments, the first flange 24, the second flange 25 and the peripheral portion 23 are all located at the bottom of the fin 21, and the bottom edges of the three are located at the same horizontal plane.

The utility model discloses a radiator still includes two curb plates 60, and wherein, both sides around fin group 20 are located to two curb plates 60 branches to separately with the 24 rigid couplings of the first hem that correspond, mode fixed connection such as welding is passed through with the first hem 24 of front side to the curb plate 60 of front side promptly, and the curb plate 60 of rear side passes through mode fixed connection such as welding with the first hem 24 of rear side. By this structure, the fins 21 can be mounted and positioned, and the side plate 60 is provided with mounting holes 61 for inserting fasteners, so that the heat sink can be mounted and positioned on the electric device. Wherein, the left and right sides and the upside of curb plate 60 all are provided with mounting hole 61 to make the installation of radiator and consumer be connected has great flexibility.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. A step-joined heat pipe heat sink, comprising:

a heat sink base;

the heat radiating fin group is arranged at intervals with the heat absorbing base;

the heat pipe set comprises a first heat pipe piece and a second heat pipe piece located on the side of the first heat pipe piece, the first heat pipe piece and the second heat pipe piece are respectively provided with an evaporation section and a condensation section, each evaporation section is connected with the heat absorption base, each condensation section is inserted in the radiating fin set, and the top edge of the condensation section of the first heat pipe piece is higher than that of the condensation section of the second heat pipe piece;

and the third hot pipe fitting is inserted in the radiating fin group and is positioned on the radial side of the condensation section of the first hot pipe fitting and above the top edge of the condensation section of the second hot pipe fitting.

2. A step-joined heat pipe radiator according to claim 1, wherein the end of the third heat pipe member is joined to the top edge of the condensation section of the second heat pipe member; and/or

3. A progressively joined heat pipe heat sink as recited in claim 1 wherein said first and second heat pipe elements are each configured in a U-shape.

4. A heat sink as recited in claim 1 wherein said heat sink base comprises a first heat sink base and a second heat sink base, said evaporator end being disposed between said first heat sink base and said second heat sink base.

5. A progressively joined heat pipe radiator as recited in claim 1 wherein the third heat pipe member is vertically disposed with a top edge of said third heat pipe member being higher than a top edge of the condensation section of the first heat pipe member.

6. A progressively joined heat pipe radiator as recited in claim 1, further comprising a fourth heat pipe member inserted into said fin assembly and positioned laterally of said heat pipe assembly, wherein a bottom edge of said fourth heat pipe member is lower than a top edge of said condensation section of said second heat pipe member.

7. A step-by-step heat pipe radiator as claimed in any one of claims 1 to 6, wherein said heat sink fin group comprises a plurality of fins arranged in sequence along the axial direction of the condensing section, said fins are provided with insertion holes, and said condensing section and the third heat pipe element are inserted into the corresponding insertion holes.

8. The heat pipe heat sink of claim 7, wherein each fin has a peripheral edge portion at the insertion hole.

9. A progressively joined heat pipe heat sink as recited in claim 8 wherein each of said fins has a first flange formed on a front and rear edge thereof, said first flange being on the same side of the fin as the peripheral edge and being flush therewith.

10. A heat pipe radiator of a step-by-step type as claimed in claim 9, further comprising two side plates, wherein the two side plates are respectively disposed at the front and rear sides of the heat sink assembly and are respectively fixed to the corresponding first folding edge.