CN203657577U

CN203657577U - A thin type heat pipe structure

Info

Publication number: CN203657577U
Application number: CN201320894221.9U
Authority: CN
Inventors: 王大明; 史忠山
Original assignee: TIANJIN XKCOOLER PHOTOELECTRIC TECHNOLOGY RESEARCH AND DEVELOPMENT Co Ltd
Current assignee: TIANJIN XINZHIKAI THERMAL MANAGEMENT TECHNOLOGY R & D CO., LTD.
Priority date: 2013-12-30
Filing date: 2013-12-30
Publication date: 2014-06-18
Anticipated expiration: 2023-12-30

Abstract

The utility model provides a thin type heat pipe structure comprising a metal shell, metal sheets and through grooves. The inside of the metal shell is a hollow enclosed chamber. At least one metal sheet is arranged in the chamber in the metal shell and is matched with the metal shell and pressed against the inner wall of the metal shell. Each metal sheet is provided with two through grooves which extend in an intersecting manner. The metal shell forms the sealed space and the cross section of the metal shell is rectangular in shape, the metal sheets are arranged in an intersecting lap joint manner and the corresponding through grooves of the metal sheets form flowing channels, the metal shell is formed by the hollow chamber with two open ends and sealing covers matched with the two ends thereof, and one end of each metal sheet is fixedly connected with the inner wall of one sealing cover. With simple thin type heat pipe manufacturing technology, the thickness of the thin type heat pipe can be controlled accurately, the integrity of the capillary structure, namely the through grooves of the metal sheets, is maintained, and the production rate and the product performance can be effectively improved.

Description

A kind of thin heat pipe structure

Technical field

The utility model relates to the High Efficiency Thermal conducting parts field in industrial electronic heat radiation product, particularly a kind of thin type heat pipe.

Background technology

Thin type heat pipe is mainly used in the operating mode of heat conduction narrow space, and the structure processing request precision of existing thin type heat pipe is higher, and yield rate is low; In manufacturing process, can destroy the capillary structure of original inside heat pipe, or in the situation that capillary structure precision is poor, capillary structure be pressed together, affect the performance of thin type heat pipe; Be subject to the restriction of technique, be difficult to accomplish very thin heat pipe.

Summary of the invention

Problem to be solved in the utility model is to provide a kind of thin heat pipe structure, accomplishes, under the manufacture craft of simple thin type heat pipe, accurately to control the thickness of thin type heat pipe, retains the integrality of so-called capillary structure, effectively improves ratio defective product and properties of product.

For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of thin heat pipe structure, and it comprises metal shell, sheet metal and groove;

Described metal shell inside is the sealing chamber of hollow;

At least be provided with a sheet metal and be placed in the chamber of this metal shell inside and coordinate with metal shell and be close to its inwall, on described sheet metal, at least have two staggered grooves that extend.

Further, the space that described metal shell forms is airtight and its cross section is rectangular configuration.

Further, all staggered overlap joint and its corresponding groove formation flow channels of more than one described sheet metal.

Further, described metal shell is that open chamber and the closing cap that coordinates with its two ends form by a hollow and its two ends, and one end of described sheet metal and the inwall of one of them closing cap are affixed.

Further, the chamber of described metal shell is to be filled with working media in vacuum chamber and its, and described working media is to be heated to become the liquid of steam.

Further, the thickness of described sheet metal is more than 0.02mm.

Advantage and the good effect that the utlity model has are:

1, the thickness of thin type heat pipe can by sheet metal number number control, control accuracy is higher, is therefore conducive to the control of thin type heat pipe dimensional structure parameter, reduces the difficulty of processing of thin type heat pipe.

2, sheet metal adopts modularized design, the quantity that can be arbitrarily placed in the sheet metal of metal shell inside by adjustment is adjusted the gross thickness of the sheet metal being superimposed, thereby adjust the thickness of whole thin type heat pipe, also provide possibility for realizing thinner heat pipe.

3, when the tube wall of thin type heat pipe flattens laminating sheet metal, need not destroy the structure of the flow channel of groove and formation, guarantee its integrality, the performance that improves thin type heat pipe is played to positive role.

Accompanying drawing explanation

Fig. 1 is fish bone well sheet metal overlap joint schematic diagram;

Fig. 2 is circular foil member overlap joint schematic diagram;

Fig. 3 is diamond-type metal thin slice overlap joint schematic diagram;

Fig. 4 is the overlap joint exploded view of diamond-type metal thin slice and metal shell inside;

Fig. 5 is the constitutional diagram of diamond-type metal thin slice and metal shell inside.

In figure:

1, metal shell 2, sheet metal 3, groove

The specific embodiment

Below in conjunction with accompanying drawing and concrete embodiment, the present invention is further illustrated.

Embodiment 1, a kind of thin heat pipe structure, it comprises metal shell 1, sheet metal 2 and groove 3;

Described metal shell 1 forms confined space and its cross section is rectangular configuration, and this metal shell is that open chamber and the closing cap that coordinates with its two ends form by a hollow and its two ends, and in the chamber of its vacuum, being filled with is heated becomes the liquid of steam;

At least being provided with a sheet metal 2 is placed in the chamber of this metal shell 1 inside and coordinates with metal shell and be close to its inwall, one end of this sheet metal and the inwall of one of them closing cap are affixed, on described sheet metal, at least have two staggered grooves 3 that extend, and more than one described sheet metal 2 all staggered overlap joint and its corresponding groove 3 form flow channel.

Embodiment 2, fish bone well sheet metal overlap joint schematic diagram as shown in Figure 1, is uniformly distributed several fish bone well grooves on its sheet metal, described more than one sheet metal is superimposed by the mode of staggered overlap joint, and being placed in metal shell inside, other structures are all identical with embodiment mono-.

Embodiment 3, circular foil member overlap joint schematic diagram as shown in Figure 2, is uniformly distributed several circular grooves on its sheet metal, described more than one sheet metal is superimposed by the mode of staggered overlap joint, and being placed in metal shell inside, other structures are all identical with embodiment mono-.

Embodiment 4, as in Figure 3-5, a kind of thin heat pipe structure, it comprises metal shell 1, sheet metal 2 and groove 3;

Described metal shell inside is the chamber of hollow;

Described metal shell 1 forms confined space and its cross section is rectangular configuration, and its material adopts high-thermal conductive metal copper;

At least being provided with a sheet metal 2 is placed in the chamber of this metal shell 1 inside and coordinates with metal shell and be close to its inwall, the groove 3 of uniform several rhombuses on described sheet metal, described sheet metal 2 staggered overlap joints and its corresponding groove 3 of two form flow channel, described sheet metal is the copper sheet of 0.2mm thickness, and the same side of described two sheet metals is all fixed on the inwall of metal shell one end.

The high heat conduction of metal shell material selection is easy to the metal of processing welding, as copper, aluminium, stainless steel etc.; And working media is generally selected the medium that any chemical change does not occur with shell material, as water, ethylene glycol, freon etc., concrete selection can be determined with reference to the design serviceability temperature of thin type heat pipe; The making thickness of sheet metal can be as required, realizes the processing and fabricating of the above any specification of 0.02mm.

Described in above-described embodiment 1-4, because sheet metal thickness is controlled, therefore avoid the structure of flow channel in conventional heat pipe preparation method to process the precision problem bringing; In making sheet metal, the staggered overlap joint of sheet metal can become inner supporting construction, is beneficial to the accurate control of the stable and thickness of structure.

The operation principle of this patent:

After the heating of thin type heat pipe one end, inner working media gasifies and forms steam rapidly under negative pressure of vacuum, under the poor effect of inner saturation pressure, flows to rapidly the other end, after other end condensation, forms liquid working media; The effect of the capillary groove on sheet metal is to make liquid-working-medium be back to rapidly bringing-up section, forms like this circulation, reaches the object that heat is brought to condensation end by fire end.

Above embodiment of the present utility model is had been described in detail, but described content is only preferred embodiment of the present utility model, can not be considered to for limiting practical range of the present utility model.All equalization variation and improvement etc. of doing according to the utility model scope, within all should still belonging to this patent covering scope.

Claims

1. a thin heat pipe structure, is characterized in that: it comprises metal shell (1), sheet metal (2) and groove (3);

Described metal shell (1) inside is the sealing chamber of hollow;

At least be provided with a sheet metal (2) and be placed in the chamber of this metal shell inside and coordinate and be close to its inwall with metal shell (1), on described sheet metal (2), at least have two staggered grooves (3) that extend.

2. a kind of thin heat pipe structure according to claim 1, is characterized in that: described metal shell (1) forms confined space and its cross section is rectangular configuration.

3. a kind of thin heat pipe structure according to claim 1, is characterized in that: more than one described sheet metal (2) is staggered overlap joint and its corresponding groove (3) formation flow channel all.

4. a kind of thin heat pipe structure according to claim 1, it is characterized in that: described metal shell (1) is that open chamber and the closing cap that coordinates with its two ends form by a hollow and its two ends, and one end of described sheet metal (2) and the inwall of one of them closing cap are affixed.

5. a kind of thin heat pipe structure according to claim 1, is characterized in that: the chamber of described metal shell (1) is to be filled with working media in vacuum chamber and its, and described working media is to be heated to become the liquid of steam.

6. a kind of thin heat pipe structure according to claim 1, is characterized in that: the thickness of described sheet metal (2) is more than 0.02mm.