Ultrathin flexible plane heat pipe
By designing ultra-thin flexible plane heat pipes, using multiple heat exchange sheets and multi-directional head structures, the problems of low heat exchange efficiency and inconvenient assembly in the prior art are solved, and efficient flow diversion control and convenient heat pipe installation and disassembly are achieved.
Patent Information
- Application Number
- CN202422038791.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-22
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-08-22
AI Technical Summary
The existing flat heat pipes have low heat exchange efficiency, insufficient heat exchange contact area, inconvenient assembly of multiple sets of heat pipes, inconvenient flow diversion control, and inconvenient installation and disassembly.
An ultra-thin flexible planar heat pipe is designed, adopting multiple heat exchange sheets and multi-directional head structures, and is connected to the multi-directional head through the first flow guide and the second flow guide, and a water inlet pipe and a drain pipe are arranged, and a piece tube perforation is provided on the heat transfer sheet to realize the assembly and flow diversion control of multiple sets of heat pipes.
It improves the thermal contact area and heat exchange efficiency, enhances safety, facilitates the assembly and disassembly of heat pipes, and realizes multi-directional diversion of flow diversion.
Smart Images

Figure CN223192168U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field related to planar heat pipes, in particular to an ultra-thin flexible planar heat pipe. Background Art
[0002] Flat heat pipes are used for heat exchange control. They are a type of heat pipe that is flat in shape. They have more advantages than ordinary heat pipes. Their shape is very conducive to heat diffusion from concentrated heat sources. Due to their light weight, good start-up performance and temperature uniformity, flat heat pipes have become a hot topic in the current research of electronic component heat dissipation and have been applied abroad.
[0003] For example, the authorized patent with publication number CN219319136U (flat heat pipe): includes a flat heat pipe body, a capillary wick and an evaporation area, an evaporation area is provided on one side of the interior of the flat heat pipe body, an insulation area is provided on one side of the evaporation area, a condensation area is provided on one side of the insulation area, a capillary wick is provided in the inner wall of the flat heat pipe body, mounting structures are provided at both ends of the flat heat pipe body, a rust-proof structure is provided on the surface of the flat heat pipe body, an auxiliary structure is provided on one side of the flat heat pipe body, and the mounting structure includes a fixing plate, a mounting rod and a through groove. The utility model is provided with a mounting structure. During the use of this type of flat heat pipe, the general installation method is to install it by welding, which makes replacement more troublesome. Therefore, the use of a fixing plate, a mounting rod and a through groove makes it more convenient to replace the flat heat pipe body when it is damaged.
[0004] The above-mentioned prior art has low heat exchange efficiency, insufficient heat exchange contact area, and is inconvenient to assemble multiple groups of heat pipes. The diversion control is not convenient enough, and the diversion fluid cannot be diverted into the heat pipe in multiple directions. It is also inconvenient to install and disassemble the heat pipe. Utility Model Content
[0005] The purpose of the present utility model is to provide an ultra-thin flexible planar heat pipe to solve the problems raised in the above-mentioned background technology, such as low heat exchange efficiency, insufficient heat exchange contact area, inconvenient assembly of multiple groups of heat pipes, inconvenient flow control, inability to divert the flow guide fluid into the heat pipe in multiple directions, and inconvenient installation and disassembly of the heat pipe.
[0006] To achieve the above objectives, the present invention provides the following technical solutions: an ultra-thin flexible planar heat pipe, comprising a planar heat pipe body, a heat exchange fin, and a multi-directional head, wherein the planar heat pipe body passes through multiple heat exchange fins, and a first flow guide pipe and a second flow guide pipe are respectively provided at both ends of the planar heat pipe body, and the ends of the first flow guide pipe and the second flow guide pipe are both connected to the multi-directional head, and a water inlet pipe and a drain pipe are respectively provided on both sides of the bottom of the multi-directional head.
[0007] In a further embodiment, the first flow guide pipe and the water inlet pipe, and the second flow guide pipe and the drain pipe are both connected via a change-over pipe, and the change-over pipe is arranged inside the multi-directional head.
[0008] In a further embodiment, a plurality of fin-tube through-holes are provided on the heat exchange fins, and the planar heat pipe body is arranged through the fin-tube through-holes.
[0009] In a further embodiment, the heat exchange plate is configured as an ultra-thin flexible structure, and a liquid conducting cavity is provided inside the heat exchange plate.
[0010] In a further embodiment, a plurality of heat exchange fins are provided, and the plurality of heat exchange fins are evenly arranged on the planar heat pipe body.
[0011] In a further embodiment, the first flow guide pipe and the second flow guide pipe are both configured as an integral structure with the planar heat pipe body, and the ends of the water inlet pipe and the drain pipe are both provided with connecting pipe heads.
[0012] Compared with the prior art, the beneficial effects of the present invention are:
[0013] 1. The utility model is provided with multiple heat exchange fins, and multiple fin-tube perforations are provided on the heat exchange fins. Through the heat exchange fins of this design, multiple groups of flat heat pipe bodies can be installed, so that the thermal contact area can be increased, the heat exchange efficiency can be improved, and the heat exchange safety can be improved, which facilitates the assembly of the heat pipes.
[0014] 2. The two ends of the planar heat pipe body of the utility model are respectively provided with a first flow guide pipe and a second flow guide pipe, and the ends of the first flow guide pipe and the second flow guide pipe are connected to the multi-directional head, which facilitates the assembly of the heat pipe. A water inlet pipe and a drain pipe are respectively provided on both sides of the bottom of the multi-directional head, and the water inlet pipe and the drain pipe are respectively connected to the first flow guide pipe and the second flow guide pipe through a changing pipe, so that it is convenient for diversion control. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a schematic structural diagram of an ultra-thin flexible planar heat pipe of the present invention;
[0016] Figure 2 This is a top view of the heat exchanger of the utility model;
[0017] Figure 3 This is a side view of the planar heat pipe body of the utility model;
[0018] Figure 4 This is a structural diagram of part A of the utility model.
[0019] In the figure: 1. Planar heat pipe body; 2. Heat exchange fin; 3. First guide pipe; 4. Second guide pipe; 5. Water inlet pipe; 6. Drain pipe; 7. Plate pipe perforation; 8. Direction change pipe; 9. Multi-directional head. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.
[0021] See also Figure 1-4 The utility model provides an embodiment: an ultra-thin flexible planar heat pipe, comprising a planar heat pipe body 1, a heat exchange plate 2 and a multi-directional head 9. The planar heat pipe body 1 passes through multiple heat exchange plates 2. A first flow guide pipe 3 and a second flow guide pipe 4 are respectively provided at both ends of the planar heat pipe body 1. The ends of the first flow guide pipe 3 and the second flow guide pipe 4 are both connected to the multi-directional head 9. A water inlet pipe 5 and a drain pipe 6 are respectively provided on both sides of the bottom of the multi-directional head 9. The heat exchange plate 2 can improve the heat exchange capacity of the planar heat pipe body 1. The first flow guide pipe 3 and the second flow guide pipe 4 can facilitate the diversion of the inside of the planar heat pipe body 1. The water inlet pipe 5 and the drain pipe 6 can be installed through the multi-directional head 9.
[0022] The first flow guide pipe 3 and the water inlet pipe 5, and the second flow guide pipe 4 and the drain pipe 6 are all connected through a changing pipe 8, and the changing pipe 8 is arranged inside the multi-directional head 9, and the changing pipe 8 is used to control the direction of the diversion; the first flow guide pipe 3 and the second flow guide pipe 4 are both configured as an integral structure with the planar heat pipe body 1, and the ends of the water inlet pipe 5 and the drain pipe 6 are provided with connecting heads, and the first flow guide pipe 3 and the second flow guide pipe 4 facilitate the diversion of the heat pipe.
[0023] The heat exchange plate 2 is provided with a plurality of plate-tube perforations 7, and the planar heat pipe body 1 is arranged through the plate-tube perforations 7. The plate-tube perforations 7 facilitate the installation of the heat exchange plate 2. The heat exchange plate 2 is set as an ultra-thin flexible structure, and a liquid guide cavity is provided inside the heat exchange plate 2. The heat exchange plate 2 with this design can be bent in a controlled manner. There are a plurality of heat exchange plates 2, and the plurality of heat exchange plates 2 are evenly arranged on the planar heat pipe body 1. The heat exchange capacity can be improved by using a plurality of heat exchange plates 2.
[0024] Working principle: When in use, the planar heat pipe body 1 is passed through the plate-tube perforations 7 on multiple heat exchange plates 2, the ends of the first guide tube 3 and the second guide tube 4 are connected to the multi-directional head 9, and the first guide tube 3 and the second guide tube 4 are respectively assembled with the water inlet pipe 5 and the drain pipe 6 through the changing pipe 8. Cold water is introduced from the water inlet pipe 5, introduced into the first guide tube 3 through the changing pipe 8, and guided into the planar heat pipe body 1 through the first guide tube 3. Heat can be absorbed by the planar heat pipe body 1 and the heat exchange plates 2 on its outside, so that it can exchange heat with the liquid in the planar heat pipe body 1. The converted hot water is introduced into the second guide tube 4 and discharged through the drain pipe 6.
[0025] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
Claims
1. An ultra-thin flexible planar heat pipe, comprising a planar heat pipe body (1), a heat exchange fin (2) and a multi-directional head (9), characterized in that: The planar heat pipe body (1) passes through a plurality of heat exchange fins (2), and a first flow guide pipe (3) and a second flow guide pipe (4) are respectively provided at both ends of the planar heat pipe body (1), and the ends of the first flow guide pipe (3) and the second flow guide pipe (4) are both connected to a multi-directional head (9), and a water inlet pipe (5) and a water outlet pipe (6) are respectively provided on both sides of the bottom of the multi-directional head (9).
2. The ultra-thin flexible planar heat pipe according to claim 1, characterized in that: The first flow guide pipe (3) and the water inlet pipe (5) as well as the second flow guide pipe (4) and the drainage pipe (6) are connected via a change-direction pipe (8), and the change-direction pipe (8) is arranged inside the multi-directional head (9).
3. The ultra-thin flexible planar heat pipe according to claim 1, characterized in that: The heat exchange fin (2) is provided with a plurality of fin-tube through-holes (7), and the planar heat pipe body (1) is arranged through the fin-tube through-holes (7).
4. The ultra-thin flexible planar heat pipe according to claim 1, characterized in that: The heat exchange plate (2) is configured as an ultra-thin flexible structure, and a liquid guide cavity is provided inside the heat exchange plate (2).
5. The ultra-thin flexible planar heat pipe according to claim 1, characterized in that: A plurality of heat exchange fins (2) are provided, and the plurality of heat exchange fins (2) are evenly arranged on the planar heat pipe body (1).
6. The ultra-thin flexible planar heat pipe according to claim 1, characterized in that: The first flow guide pipe (3) and the second flow guide pipe (4) are both configured as an integral structure with the planar heat pipe body (1), and the ends of the water inlet pipe (5) and the drain pipe (6) are both provided with connecting pipe heads.
Citation Information
Patent Citations
Flat heat pipe
CN219319136U