CN212640371U

CN212640371U - Heat radiator of phase change heat conducting fin containing filling particles

Info

Publication number: CN212640371U
Application number: CN202020984696.7U
Authority: CN
Inventors: 林永胜
Original assignee: Fujian Meiqing Heat Transfer Technology Co ltd
Current assignee: Fujian Meiqing Heat Transfer Technology Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-03-02
Anticipated expiration: 2030-06-02

Abstract

The utility model discloses a heat dissipation device of a phase change heat conducting fin containing filling particles, which comprises a phase change heat conducting fin body for absorbing heat and a heat radiator clamped in the middle of the phase change heat conducting fin body for dissipating heat; the radiator comprises a heat absorption pipe arranged in the middle of the heat conducting fin body, a liquid circulating pump arranged on the heat absorption pipe, a heat dissipation bin used for containing heat absorption solution, and a liquid guide pipe connecting the liquid circulating pump and the heat dissipation bin.

Description

Heat radiator of phase change heat conducting fin containing filling particles

Technical Field

The utility model relates to an electrical apparatus original paper heat dissipation technical field especially relates to a heat abstractor who contains phase transition conducting strip who fills the particle.

Background

3C products such as notebook computers, GPS, ADSL, mobile phones and the like become necessities of our lives as living standards of people improve, and electrical elements of the products are often heated and easily burnt out in the using process, so that electric appliances cannot be normally used; the common heat conducting fin cannot deform, when an electrical component needing heat dissipation comes, the surface of a concave-convex heat dissipation assembly in contact with a heating electronic assembly is not a complete flat surface, and the heat dissipation assembly and the heating electronic assembly cannot be in close contact, so that an air gap between contact surfaces is formed, and the common heat conducting fin has a phase change heat conducting fin; for example, the patent with publication number CN1626612A discloses a heat dissipating device and a phase-change heat conducting sheet thereof, wherein the heat dissipating device comprises a heat sink and a phase-change heat conducting sheet, wherein the heat sink comprises a surface, the phase-change heat conducting sheet is attached to the surface of the heat sink, and the heat is dissipated by a fan; the fan has low heat dissipation efficiency, and dust is blocked at the heat dissipation port to cause poor heat dissipation, and the fan can be normally used only by regularly cleaning the dust.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the technical problem to be solved in the present invention is to provide a heat dissipation device with phase change heat-conducting fins filled with particles, so as to solve the above problems.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a heat dissipation device of a phase change heat conducting fin containing filling particles, which comprises a phase change heat conducting fin body for absorbing heat and a heat radiator clamped in the middle of the phase change heat conducting fin body for dissipating heat; the method is characterized in that: the radiator comprises a heat absorption pipe arranged in the middle of the heat conducting fin body, a liquid circulating pump arranged on the heat absorption pipe, a heat dissipation bin used for containing heat absorption solution, and a liquid guide pipe connecting the liquid circulating pump and the heat dissipation bin.

Furthermore, the phase-change heat conducting fin body is formed by mixing phase-change heat conducting paste and nano graphite particles.

Furthermore, the heat absorption pipe is a copper pipe with good heat conductivity.

Furthermore, a liquid exchange port for exchanging or supplementing the heat absorption solution is arranged on the heat dissipation bin.

Furthermore, the liquid guide pipe, the heat dissipation bin and the liquid circulating pump are connected in a sealing mode.

The utility model has the advantages that:

a heat dissipating double-fuselage of the phase change conducting strip containing filling particle is packed the phase change conducting paste in the body of conducting strip when the electric element is heated, the body of phase change conducting strip changes from solid to liquid and is packed in the space of the electric element and has better laminating with the original electrical apparatus; gaps of the heat absorption pipes are filled with the heat conducting sheet bodies, so that heat can be absorbed better; meanwhile, the heat absorption solution is used for absorbing heat, so that the original airflow heat dissipation is changed, and the phenomenon that electric elements are burnt due to the fact that dust in the air blocks ventilation holes and the heat dissipation effect is reduced due to the inconvenience in ventilation caused by the blocking of the ventilation holes can be avoided; the liquid changing port for replacing or supplementing the heat absorption solution is arranged on the heat dissipation bin, and when the temperature rises to a certain degree, the solution can be replaced through the liquid changing port to realize cooling.

Drawings

Fig. 1 is a schematic view of the overall structure of a heat dissipation device with phase-change heat-conducting fins filled with particles according to the present invention.

Reference numbers in the figures:

1. a heat-conducting fin body; 2. a heat sink; 21. a heat absorbing tube; 22. a liquid circulation pump; 23. a heat dissipation bin; 24. A catheter; 25. and a liquid changing port.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

As shown in fig. 1, the heat dissipating device of a phase-change heat conducting fin containing filled particles provided in this embodiment includes a phase-change heat conducting fin body 1 for absorbing heat and a heat sink 2 sandwiched between the phase-change heat conducting fin body 1 for dissipating heat; the method is characterized in that: the radiator 2 comprises a heat absorption pipe 21 arranged in the middle of the heat conducting fin body 1, a liquid circulating pump 22 arranged on the heat absorption pipe 21, a heat dissipation chamber 23 for containing heat absorption solution, and a liquid guide pipe 24 for connecting the liquid circulating pump 22 and the heat dissipation chamber 23.

Further, the phase-change heat conducting strip body 1 is made of a phase-change heat conducting paste and nano graphite particles which are mixed.

Furthermore, the heat absorbing pipe 21 is a copper pipe with good thermal conductivity, and the copper pipe is made into a circuitous bent assembly, so that the contact area between the copper pipe and the heat conducting fin body 1 can be increased, and heat can be better taken away.

Further, a liquid changing port 25 for changing or supplementing the heat absorption solution is arranged on the heat dissipation bin 23; the solution in the heat dissipation bin 23 can be replaced through the liquid replacement port 25, and the heat conduction solution can be replaced to realize rapid cooling when the temperature is too high; meanwhile, a blocking cover for blocking the liquid changing port 25 is arranged on the liquid changing port 25.

Further, the liquid guide pipe 24, the heat dissipation chamber 23 and the liquid circulation pump 22 are hermetically connected.

The working principle is as follows:

a heat dissipating double-fuselage of the phase change conducting strip containing filling particle is in the conducting strip body 1 and affixed to the two sides of the heat absorption tube 21, one side is laminated with the heat absorption tube, another side is laminated with the electric element, after the electric element heats up the body 1 of conducting strip has solid state to become the glue dress and closely laminate with the heat absorption tube and get better heat absorption effects; gaps of the heat absorbing pipes 21 are filled with the heat conducting sheet body 1, so that heat can be absorbed better; meanwhile, the heat absorption solution is used for absorbing heat, so that the original airflow heat dissipation is changed, and the phenomenon that electric elements are burnt due to the fact that dust in the air blocks ventilation holes and the heat dissipation effect is reduced due to the inconvenience in ventilation caused by the blocking of the ventilation holes can be avoided; the heat dissipation bin 23 is provided with a liquid exchange port 25 for replacing or supplementing heat absorption solution, and when the temperature rises to a certain degree, the temperature can be reduced by replacing the solution through the liquid exchange port 25.

While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.

Claims

1. A heat dissipating double-fuselage of the phase change conducting strip containing filling particle, including the phase change conducting strip body (1) used for absorbing heat and sandwiching in the phase change conducting strip body (1) the heat sink (2) used for heat dissipation; the method is characterized in that: the radiator (2) comprises a heat absorption pipe (21) arranged in the middle of the heat conducting fin body (1), a liquid circulating pump (22) arranged on the heat absorption pipe (21), a heat dissipation bin (23) used for containing heat absorption solution and a liquid guide pipe (24) connected with the liquid circulating pump (22) and the heat dissipation bin (23).

2. The heat dissipating device comprising a phase-change heat conductive particle-filled fin according to claim 1, wherein: the phase-change heat conducting fin body (1) is made of a phase-change heat conducting paste and nano graphite particles which are mixed.

3. The heat dissipating device comprising a phase-change heat conductive particle-filled fin according to claim 1, wherein: the heat absorption pipe (21) is a copper pipe with good heat conductivity.

4. The heat dissipating device comprising a phase-change heat conductive particle-filled fin according to claim 1, wherein: the heat dissipation bin (23) is provided with a liquid exchange port (25) for exchanging or supplementing heat absorption solution.

5. The heat dissipating device comprising a phase-change heat conductive particle-filled fin according to claim 1, wherein: the liquid guide pipe (24), the heat dissipation bin (23) and the liquid circulating pump (22) are in sealed connection.