CN219015070U

CN219015070U - Phase-change heat dissipation device

Info

Publication number: CN219015070U
Application number: CN202223544736.4U
Authority: CN
Inventors: 金培德; 王靖元
Original assignee: Huizhou Jingyuan Technology Co ltd; Huizhou Longcheng Hardware Electronics Co ltd
Current assignee: Huizhou Jingyuan Technology Co ltd; Huizhou Longcheng Hardware Electronics Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-12
Anticipated expiration: 2032-12-27

Abstract

The utility model relates to a phase-change heat dissipation device, which comprises a phase-change assembly, wherein a phase-change heat exchange medium is arranged in the phase-change assembly, the phase-change assembly comprises an evaporator and a condenser which are vertically arranged, an evaporation cavity is arranged in the evaporator, a condensation cavity is arranged in the condenser, the evaporation cavity is communicated with the condensation cavity, and the condensation cavity and the evaporation cavity are arranged in a staggered manner up and down to form a height difference; the phase-change heat exchange medium in the evaporation cavity absorbs heat from the heat source and moves from low to high to the condensation cavity, and the condensation cavity emits heat outwards to cool the heat source. According to the utility model, the included angle alpha between the surface, where the evaporator is attached to the heating source, and the condensing branch pipe is 20-80 degrees, so that the heat dissipation can be performed on the heating source which is horizontally installed and the heat dissipation can be performed on the heating source which is vertically installed.

Description

Phase-change heat dissipation device

Technical Field

The utility model relates to the field of phase-change heat dissipation, in particular to a phase-change heat dissipation device.

Background

The phase-change heat dissipation is an efficient heat dissipation mode, and the principle is that a phase-change heat exchange medium is utilized to boil, gasify and absorb heat at a certain temperature, and then gasified gas is condensed, liquefied and released at other positions, so that heat transfer is realized, and the phase-change heat dissipation device has a good heat transfer effect and wide application range.

The phase-change heat dissipation device is generally arranged on a heat source, such as a CPU of a computer, wherein some CPUs are parallel to a horizontal plane, and some CPUs are vertical to the horizontal plane.

Disclosure of Invention

The utility model aims to provide a phase-change heat dissipation device which can dissipate heat of a horizontally installed heat source and can dissipate heat of a vertically installed heat source.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a phase change heat abstractor, includes that inside is provided with the phase change heat transfer medium's phase change subassembly, the phase change subassembly includes evaporimeter and condenser, the inside of evaporimeter is equipped with the evaporating chamber, be equipped with the condensing chamber in the condenser, be equipped with at least one condensation branch pipe between evaporimeter and the condenser, the one end and the evaporating chamber of condensation branch pipe are linked together, the other end and the condensing chamber of condensation branch pipe are linked together, the one side that the evaporimeter and the heating source laminate is 20-80 degrees with the contained angle alpha of condensation branch pipe, the phase change heat transfer medium in the evaporating chamber absorbs the heat of heat source and removes to the condensing chamber from low to high through the condensation branch pipe, and the condensing chamber outwards gives off heat in order to cool off the heating source.

As a preferable scheme, the condensing cavity and the evaporating cavity are arranged in a staggered mode, when the evaporator and the condenser are arranged vertically, the condenser and the evaporator form a height difference, and one end of the condensing branch pipe, which is communicated with the evaporating cavity, is higher than the other end of the condensing branch pipe, which is communicated with the condensing cavity.

As a preferred embodiment, the condensation branch pipe is flat.

As a preferred embodiment, the included angle α is 30 ° to 70 °.

As a preferred solution, the included angle α is 40 ° -60 °.

As a preferable scheme, the length of the condensing branch pipe is 25-30mm, the width of the condensing branch pipe is 10-14mm, and the height of the condensing branch pipe is 1.5-2mm; the width of the inside of the condensing branch pipe is 11-13mm, and the height of the inside of the condensing branch pipe is 0.9-1mm.

As a preferable scheme, a plurality of condensing branch pipes are arranged between the evaporator and the condenser, the spacing between each row of the condensing branch pipes is 2.5-4.5mm, and the spacing between each column of the condensing branch pipes is 5-8mm.

As a preferred scheme, the evaporator comprises an evaporation plate body and an evaporation plate cover, the condenser comprises a condensation plate body and a condensation plate cover, one end of a condensation branch pipe is connected with the evaporation plate cover, and the other end of the condensation branch pipe is connected with the condensation plate cover.

As a preferable scheme, a plurality of mounting blocks used for being mounted on the heating source are arranged on the periphery of the evaporation plate body, and mounting holes are formed in the mounting blocks.

The utility model has the beneficial effects that:

according to the utility model, the included angle alpha between the surface, which is attached to the heating source, of the evaporator and the condensing branch pipe is 20-80 degrees, so that the heat dissipation of the heating source which is horizontally arranged can be realized, and the heat dissipation of the heating source which is vertically arranged can be realized; through condensation chamber and evaporation chamber dislocation set, when the vertical setting of evaporimeter and condenser, condenser and evaporimeter form the difference in height for the phase transition heat transfer medium after the condensation flows back fast.

For a clearer description of the structural features, technical means, and specific objects and functions achieved by the present utility model, the present utility model will be further described in detail with reference to the accompanying drawings and specific embodiments:

drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an exploded view of the structure of the present utility model;

FIG. 3 is a side view of the present utility model;

the attached drawings are used for identifying and describing:

10-an evaporator; 11-evaporating plate body; 12-evaporating plate cover;

a 20-condenser; 21-a condensing plate body; 22-a condensate plate cover;

30-condensing branch.

Detailed Description

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and to simplify the description, and do not indicate or imply that the positions or elements referred to must have specific directions, be configured and operated in specific directions, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1-3, a phase change heat dissipation device comprises a phase change assembly with a phase change heat exchange medium arranged inside, wherein the phase change assembly comprises an evaporator 10 and a condenser 20, an evaporation cavity is arranged inside the evaporator 10, a condensation cavity is arranged in the condenser 20, at least one condensation branch pipe 30 is arranged between the evaporator 10 and the condenser 20, one end of the condensation branch pipe 30 is in a flat shape and is communicated with the evaporation cavity, the other end of the condensation branch pipe 30 is communicated with the condensation cavity, an included angle alpha between one surface, attached to a heating source, of the evaporator 10 and the condensation branch pipe 30 is 20-80 degrees, the phase change heat exchange medium in the evaporation cavity absorbs heat of the heating source and moves from low to high through the condensation branch pipe 30, and the condensation cavity emits heat outwards to cool the heating source;

the included angle alpha can be 30-70 degrees, and the included angle alpha can be 40-60 degrees;

the condensing cavity and the evaporating cavity are arranged in a staggered manner, when the evaporator 10 and the condenser 20 are arranged vertically, the condenser 20 and the evaporator 10 form a height difference, and one end of the condensing branch pipe 30 communicated with the evaporating cavity is higher than the other end of the condensing branch pipe 30 communicated with the condensing cavity;

preferably, the length of the condensation branch pipe 30 is 25-30mm, the width of the condensation branch pipe 30 is 10-14mm, and the height of the condensation branch pipe 30 is 1.5-2mm; the width of the inside of the condensing branch pipe 30 is 11-13mm, and the height of the inside of the condensing branch pipe 30 is 0.9-1mm.

Preferably, a plurality of condensing branches 30 are arranged between the evaporator 10 and the condenser 20, the space between each row of the condensing branches 30 is 2.5-4.5mm, and the space between each column of the condensing branches 30 is 5-8mm.

The evaporator 10 comprises an evaporator plate 11 and an evaporation plate cover 12, the condenser 20 comprises a condensation plate 21 and a condensation plate cover 22, one end of a condensation branch pipe 30 is connected with the evaporation plate cover 12, the other end of the condensation branch pipe 30 is connected with the condensation plate cover 22, a plurality of installation blocks used for being installed on a heating source are arranged on the periphery of the evaporator plate 11, and installation holes are formed in the installation blocks.

In summary, the included angle alpha between the surface, where the evaporator 10 is attached to the heat source, and the condensation branch pipe 30 is set to be 20-80 degrees, so that the heat dissipation device can not only dissipate heat of the horizontally installed heat source, but also dissipate heat of the vertically installed heat source; through condensation chamber and evaporation chamber dislocation set, when the vertical setting of evaporimeter 10 and condenser 20, condenser 20 and evaporimeter 10 form the difference in height for the phase change heat transfer medium after the condensation flows back fast.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, so any modifications, equivalents, improvements, etc. of the above embodiments according to the present utility model are still within the scope of the present utility model.

Claims

1. The utility model provides a phase transition heat abstractor which characterized in that: the phase-change heat exchange device comprises a phase-change assembly with a phase-change heat exchange medium arranged inside, wherein the phase-change assembly comprises an evaporator and a condenser, an evaporation cavity is arranged inside the evaporator, a condensation cavity is arranged in the condenser, at least one condensation branch pipe is arranged between the evaporator and the condenser, one end of the condensation branch pipe is communicated with the evaporation cavity, the other end of the condensation branch pipe is communicated with the condensation cavity, the included angle alpha between one surface of the evaporator, which is attached to a heating source, and the condensation branch pipe is 20-80 degrees, the phase-change heat exchange medium in the evaporation cavity absorbs heat from the heating source and moves from low to high to the condensation cavity through the condensation branch pipe, and the condensation cavity outwards emits heat to cool the heating source.

2. A phase change heat sink as defined in claim 1, wherein: the condensation chamber is arranged in a staggered mode with the evaporation chamber, when the evaporator and the condenser are arranged vertically, the condenser and the evaporator form a height difference, and one end of the condensation branch pipe, which is communicated with the evaporation chamber, is higher than the other end of the condensation branch pipe, which is communicated with the condensation chamber.

3. A phase change heat sink as claimed in claim 2, wherein: the condensing branch pipe is flat.

4. A phase change heat sink as defined in claim 1, wherein: the included angle alpha is 30-70 degrees.

5. A phase change heat sink as defined in claim 1, wherein: the included angle alpha is 40-60 degrees.

6. A phase change heat sink as claimed in claim 3, wherein: the length of the condensing branch pipe is 25-30mm, the width of the condensing branch pipe is 10-14mm, and the height of the condensing branch pipe is 1.5-2mm; the width of the inside of the condensing branch pipe is 11-13mm, and the height of the inside of the condensing branch pipe is 0.9-1mm.

7. A phase change heat sink as claimed in claim 3, wherein: a plurality of condensing branch pipes are arranged between the evaporator and the condenser, the spacing between each row of the condensing branch pipes is 2.5-4.5mm, and the spacing between each column of the condensing branch pipes is 5-8mm.

8. A phase change heat sink as claimed in claim 2, wherein: the evaporator comprises an evaporation plate body and an evaporation plate cover, the condenser comprises a condensation plate body and a condensation plate cover, one end of a condensation branch pipe is connected with the evaporation plate cover, and the other end of the condensation branch pipe is connected with the condensation plate cover.

9. The phase-change heat sink of claim 8, wherein: the periphery of the evaporation plate body is provided with a plurality of installation blocks used for being installed on the heating source, and the installation blocks are provided with installation holes.