CN218103982U

CN218103982U - Heat radiator

Info

Publication number: CN218103982U
Application number: CN202221835100.2U
Authority: CN
Inventors: 王稼晨; 李刚; 李乐
Original assignee: Changzhou Hengchuang Heat Management Co ltd
Current assignee: Changzhou Hengchuang Thermal Management System Co ltd
Priority date: 2022-07-16
Filing date: 2022-07-16
Publication date: 2022-12-20
Anticipated expiration: 2032-07-16

Abstract

The utility model provides a it is used for generating heat a heat dissipation, it includes: evaporation subassembly, condensation subassembly, steam conduit and return liquid pipeline, the evaporation subassembly is including locating the inside first cavity of evaporation subassembly, it has the phase transition working medium to fill in the first cavity, the evaporation subassembly top is located to the condensation subassembly, the condensation subassembly is including locating the inside second cavity of condensation subassembly, first cavity of steam conduit intercommunication and second cavity, return liquid pipeline intercommunication first cavity and second cavity, return liquid pipeline locates the steam conduit below, the condensation subassembly still includes many intervals and sets up the first vortex device in the second cavity. The utility model discloses a set up the vortex device, improve vapour phase transition working medium and external heat exchange efficiency, and then improve condensation efficiency, increase the radiating effect.

Description

Heat radiator

Technical Field

The utility model belongs to the technical field of the heat dissipation and specifically relates to a heat abstractor.

Background

In recent years, as new technologies such as communication technologies and new energy vehicles are developed, related industries are gradually developed and rapidly developed. The core components of these new technologies, such as power electronic components and battery components, need to operate under certain temperature conditions, otherwise reliability and safety of the components are affected, and the components generate heat during operation, so that power electronic components and battery components during operation of the systems, such as communication networks, data centers, new energy vehicles and new energy power generation, need to be cooled. However, the conventional heat dissipation device has poor condensation effect and low heat dissipation efficiency.

Therefore, it is necessary to provide a heat dissipation device that can effectively improve the heat dissipation efficiency.

Disclosure of Invention

The utility model aims at providing a heat abstractor effectively improves the radiating efficiency, guarantees the stable work of the piece that generates heat.

The utility model provides a heat abstractor, it is used for generating heat a heat dissipation, and it includes: evaporation subassembly, condensation subassembly, steam conduit and liquid return pipeline, the evaporation subassembly is including locating the inside first cavity of evaporation subassembly, it has the phase change working medium to fill in the first cavity, the evaporation subassembly top is located to the condensation subassembly, the condensation subassembly is including locating the inside second cavity of condensation subassembly, first cavity of steam conduit intercommunication and second cavity, liquid return pipeline intercommunication first cavity and second cavity, the steam conduit below is located to the liquid return pipeline, the condensation subassembly still includes many intervals and sets up the first vortex device in the second cavity, and the heat vaporization of liquid phase change working medium absorption heating element in the evaporation subassembly gets into the condensation subassembly from the steam conduit, and through first vortex device vortex, release heat liquefaction in the condensation subassembly gets back to the evaporation subassembly from the liquid return pipeline under the action of gravity.

Furthermore, the evaporation assembly further comprises a plurality of second turbulence devices which are arranged in the first cavity at intervals.

Furthermore, the first turbulence device and the second turbulence device are both turbulence columns.

Furthermore, two steam pipelines are arranged, the two steam pipelines are arranged in parallel, and the steam pipelines are arranged in a Z shape; the liquid return pipeline is provided with two, two liquid return pipeline parallel arrangement, the liquid return pipeline is "L" style of calligraphy setting, two liquid return pipeline sets up in two the steam conduit outside.

Furthermore, the evaporation assembly further comprises a steam outlet communicated with the steam pipeline and a liquid inlet communicated with the liquid return pipeline, the steam outlet is arranged above the liquid level of the phase change working medium, and the liquid inlet is arranged below the steam outlet.

Further, the condensation subassembly still includes the inlet steam and the liquid outlet with liquid return pipeline intercommunication with the steam line intercommunication, the liquid outlet sets up in second cavity bottom, the inlet steam is higher than the liquid outlet setting.

Further, heat abstractor still includes fin assembly, fin assembly sets up outside the condensation subassembly, fin assembly includes the fin that a plurality of intervals set up.

Furthermore, the condensation component further comprises a steam inlet communicated with the steam pipeline, and the fins are arranged on the surface of the condensation component on one side of the steam inlet.

Furthermore, the heat dissipation device further comprises a heat conduction pad arranged between the heating element and the evaporation assembly.

Furthermore, the steam pipeline and the liquid return pipeline are externally coated with heat insulation materials.

Further, the heat dissipation device further comprises an injection pipe, wherein the injection pipe is arranged at the top of the condensation assembly and used for injecting the phase-change working medium into the heat dissipation device.

After the technical scheme is adopted, the utility model discloses following positive effect has: the utility model discloses a set up the vortex device, improve vapour state phase transition working medium and external heat exchange efficiency, and then improve condensation efficiency, increase the radiating effect.

Drawings

The invention will be described in further detail with reference to the following drawings and embodiments:

fig. 1 is a schematic structural view of the heat dissipation device of the present invention.

Fig. 2 is a schematic structural view of another view angle of the heat dissipation device of the present invention.

Fig. 3 is a schematic structural view of another view angle of the heat dissipation device of the present invention.

Fig. 4 is a schematic diagram of the internal structure of the present invention.

Fig. 5 is a schematic structural view of the evaporation assembly of the present invention.

Fig. 6 is a schematic structural diagram of the condensing assembly of the present invention.

Reference numerals: the evaporation component 1, the first cavity 11, the second turbulence device 12, the steam outlet 13, the liquid inlet 14 and the heat conducting pad 15

Condensing assembly 2, second cavity 21, first flow disturbing device 22, steam inlet 23 and liquid outlet 24

A steam pipeline 3,

A liquid return pipeline 4,

Fin assembly 5 and fin 51

Liquid injection pipe 6

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

For the sake of simplicity, only the parts relevant to the present invention are schematically shown in the drawings, and they do not represent the actual structure as a product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "a" means not only "only one of this but also a case of" more than one ".

It should be further understood that the term "and/or" as used in this specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items and includes such combinations.

In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

In addition, in the description of the present application, the terms "first", "second", and the like are used only for distinguishing the description, and are not intended to indicate or imply relative importance.

In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.

Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.

(example 1)

Referring to fig. 1 to 6, a heat dissipating device for dissipating heat from a heat generating member, includes: the evaporation assembly 1 comprises a first cavity 11 arranged inside the evaporation assembly 1, a phase-change working medium is filled in the first cavity 11, the condensation assembly 2 is arranged above the evaporation assembly 1, the condensation assembly 2 comprises a second cavity 21 arranged inside the condensation assembly 2, the steam pipeline 3 is communicated with the first cavity 11 and the second cavity 21, the liquid return pipeline 4 is arranged below the steam pipeline 3, the condensation assembly 2 further comprises a plurality of first turbulence devices 22 arranged in the second cavity 21 at intervals, the liquid phase-change working medium absorbs heat of the heat-generating part in the evaporation assembly 1 to vaporize, the heat enters the condensation assembly 2 from the steam pipeline 3, the heat is released in the condensation assembly 2 to liquefy through the first turbulence devices 22, and the liquid phase-change working medium returns to the evaporation assembly 1 from the liquid return pipeline 4 under the action of gravity.

In this embodiment, the evaporation assembly 1 further includes a plurality of second flow disturbing devices 12 disposed in the first cavity 11 at intervals, and the first flow disturbing device 22 and the second flow disturbing device 12 are flow disturbing columns. In other embodiments, the first and second

flow perturbation devices

22, 12 may be other flow perturbation structures.

In this embodiment, two steam pipelines 3 are provided, the two steam pipelines 3 are arranged in parallel, and the steam pipelines 3 are arranged in a zigzag shape; the number of the liquid return pipelines 4 is two, the two liquid return pipelines 4 are arranged in parallel, the liquid return pipelines 4 are arranged in an L shape, and the two liquid return pipelines 4 are arranged on the outer sides of the two steam pipelines 3.

Furthermore, the evaporation assembly 1 further comprises a steam outlet 13 communicated with the steam pipeline 3 and a liquid inlet 14 communicated with the liquid return pipeline 4, the steam outlet 13 is arranged above the liquid level of the phase-change working medium, and the liquid inlet 14 is arranged below the steam outlet 13.

Further, the condensing assembly 2 further includes a steam inlet 23 communicated with the steam pipeline 3 and a liquid outlet 24 communicated with the liquid return pipeline 4, the liquid outlet 24 is disposed at the bottom of the second cavity 21, and the steam inlet 23 is higher than the liquid outlet 24.

Further, heat abstractor still includes fin assembly 5, fin assembly 5 sets up outside condensation assembly 2, fin assembly 5 includes the fin 51 that a plurality of intervals set up, fin 51 sets up on the face of condensation assembly 2 relative steam inlet 23 one side, through setting up fin assembly 5, effectively increases heat radiating area, improves condensation efficiency.

In this embodiment, the heat dissipation device further includes a thermal pad 15 disposed between the heat generating member and the evaporation assembly 1, so as to improve the thermal conductivity between the heat generating member and the evaporation assembly 1.

The steam pipeline 3 and the outer cladding of liquid return pipeline 4 are provided with the heat insulating material, reduce the heat transfer of steam pipeline 3 and liquid return pipeline 4 and air, avoid the phase transition working medium to take place the phase transition in the pipeline, improve system heat exchange efficiency.

The heat dissipation device further comprises an injection pipe 6, wherein the injection pipe 6 is arranged at the top of the condensation assembly 2 and is used for injecting phase change working media into the heat dissipation device. In this embodiment, the phase change working medium includes, but is not limited to, water, ethanol, R134a, R245fa, R1233zd.

When the evaporator works, the evaporation assembly 1 is in contact with the heating element through the heat conducting pad 15, the phase-change medium in the evaporation assembly 1 absorbs heat of the heating element to vaporize, enters the condensation assembly 2 from the steam pipeline 3, is disturbed by the first disturbing flow device 22, releases heat in the condensation assembly 2 to liquefy, and returns to the evaporation assembly 1 from the liquid return pipeline 4 under the action of gravity.

It will be apparent to those skilled in the art that various modifications and variations can be made to the above-described exemplary embodiments of the present invention without departing from the spirit and scope of the invention. Thus, it is intended that the present invention cover the modifications and variations of this invention provided they come within the scope of the appended claims and their equivalents.

Claims

1. A heat dissipation device for dissipating heat of a heat generating member, comprising:

the evaporation assembly comprises a first cavity arranged inside the evaporation assembly, and a phase-change working medium is filled in the first cavity;

the condensation component is arranged above the evaporation component and comprises a second cavity arranged in the condensation component;

the steam pipeline is communicated with the first cavity and the second cavity;

the liquid return pipeline is communicated with the first cavity and the second cavity and is arranged below the steam pipeline;

the condensation assembly also comprises a plurality of first turbulence devices which are arranged in the second cavity at intervals;

the liquid phase-change working medium absorbs heat of the heating element in the evaporation assembly to be vaporized, enters the condensation assembly from the steam pipeline, is disturbed by the first disturbance device, releases heat in the condensation assembly to be liquefied, and returns to the evaporation assembly from the liquid return pipeline under the action of gravity.

2. The heat dissipating device of claim 1, wherein said evaporator assembly further comprises a plurality of second turbulators spaced within the first cavity.

3. The heat sink of claim 2, wherein the first and second turbulators are each a turbulation post.

4. The heat dissipating device of claim 1, wherein there are two of said steam lines, said two steam lines being arranged in parallel, said steam lines being arranged in a "Z" shape; the liquid return pipeline is provided with two, two liquid return pipeline parallel arrangement, the liquid return pipeline is "L" style of calligraphy setting, two liquid return pipeline sets up in two the steam conduit outside.

5. The heat dissipating device of claim 1, wherein the evaporation assembly further comprises a vapor outlet in communication with the vapor line and a liquid inlet in communication with the liquid return line, the vapor outlet being disposed above the liquid level of the phase change medium, the liquid inlet being disposed below the vapor outlet.

6. The heat dissipating device of claim 5, wherein the condensing assembly further comprises a vapor inlet communicating with the vapor line and a liquid outlet communicating with the liquid return line, the liquid outlet being disposed at the bottom of the second cavity, the vapor inlet being disposed higher than the liquid outlet.

7. The heat dissipating device of claim 1, further comprising a fin assembly disposed outside the condensing assembly, the fin assembly comprising a plurality of spaced fins.

8. The heat dissipating device of claim 7, wherein said condensing assembly further comprises a vapor inlet in communication with the vapor line, and said fins are disposed on a side of the condensing assembly opposite the vapor inlet.

9. The heat dissipating device of claim 1, further comprising a thermal pad disposed between the heat generating element and the evaporator assembly.

10. The heat sink of claim 1, wherein the vapor line and the liquid return line are coated with a thermally insulating material.