Flexible bidirectional heat conduction pipe

The flexible bidirectional heat-conducting pipe addresses the limitations of traditional heat pipes by enabling automatic, two-way heat transfer and flexible adaptation to complex environments, enhancing thermal management efficiency and durability.

CN119136480APending Publication Date: 2024-12-13KUNSHAN SHEMAO ELECTRONICS TECH CO LTD
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Patent Information

Application Number
CN202411216776.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-09-02
Publication Date
2024-12-13

AI Technical Summary

Technical Problem

Traditional heat pipes require external force to initiate heat conduction and are limited by unidirectional conduction, making them inflexible and less effective in complex thermal management scenarios, especially in portable electronic devices with space constraints.

Method used

A flexible bidirectional heat-conducting pipe composed of copper tube sections, a bellows section, a siphon block, and a spring, filled with a low-boiling-point medium, allowing automatic heat transfer regulation based on temperature differences without external power, and enhanced structural strength and sealing.

Benefits of technology

Enables rapid, flexible, and efficient two-way heat transfer, adaptable to complex environments, with automatic start-up and improved durability, reducing energy consumption and ensuring stable operation in harsh conditions.

✦ Generated by Eureka AI based on patent content.

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Abstract

The flexible bidirectional heat conduction pipe comprises a first copper pipe section, a corrugated pipe section, a second copper pipe section, a steel wire sleeve, a siphon block and a spring, the first copper pipe section and the second copper pipe section are located at the two ends of the corrugated pipe section correspondingly, and the steel wire sleeve is arranged on the outer side of the corrugated pipe section in a sleeving mode; the siphon block is located on the inner sides of the first copper pipe section, the corrugated pipe section and the second copper pipe section, the spring is located on the inner side of the siphon block, and the first copper pipe section, the corrugated pipe section and the second copper pipe section are filled with low-boiling-point media. According to the flexible two-way heat conduction pipe, the excellent heat conduction characteristics of the first copper pipe section, the corrugated pipe section and the second copper pipe section are combined, the efficient phase change heat transfer capacity of the low-boiling-point medium filled in the flexible two-way heat conduction pipe is achieved, and rapid two-way heat transfer is achieved. No matter which end a heat source is located, heat can be quickly transferred to the other end through flexible deformation of the corrugated pipe section and phase change circulation of an internal medium, and the efficiency and flexibility of heat management are effectively improved.
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Description

Technical Field

[0001] The invention relates to the technical field of heat conducting pipes, and in particular to a flexible bidirectional heat conducting pipe. Background Art

[0002] As an efficient heat transfer element, heat pipes are widely used in various occasions that require heat dissipation or temperature control. Traditional heat pipes are usually composed of a metal pipe body, a working medium, and a liquid wick, and achieve rapid heat transfer through the phase change cycle of the working medium. However, in actual applications, these traditional heat pipes often have problems such as requiring external force to start and not being able to automatically start heat conduction according to temperature changes, which to a certain extent limits the flexibility and breadth of their application.

[0003] In recent years, with the continuous development of electronic devices, especially in portable devices such as smartphones and tablets, high-performance processors and chips generate a lot of heat. How to effectively dissipate heat has become an urgent problem to be solved. Although traditional heat dissipation methods, such as fan cooling and heat sinks, can alleviate heat accumulation to a certain extent, their effects are not ideal in situations where space is limited and noise requirements are strict.

[0004] At present, although there have been some research and applications of flexible heat pipes, most of them still rely on external force or unidirectional heat conduction, which makes it difficult to meet the complex and changing thermal management needs. Summary of the invention

[0005] In view of the above-mentioned deficiencies in the prior art, the present invention provides a flexible bidirectional heat-conducting pipe, the purpose of which is to solve the problems raised in the above-mentioned background technology.

[0006] In order to achieve the above-mentioned object of the invention, the technical solution adopted by the present invention is:

[0007] A flexible two-way heat-conducting pipe comprises a first copper tube section, a bellows section, a second copper tube section, a steel wire sleeve, a siphon block and a spring, wherein the first copper tube section and the second copper tube section are respectively located at two ends of the bellows section, the steel wire sleeve is arranged on the outside of the bellows section, the siphon block is located on the inside of the first copper tube section, the bellows section and the second copper tube section, the spring is located on the inside of the siphon block, and the first copper tube section, the bellows section and the second copper tube section are filled with a low-boiling-point medium.

[0008] Furthermore, the first copper tube section, the corrugated tube section and the second copper tube section are an integrally formed structure.

[0009] Furthermore, the first copper tube section, the bellows section and the second copper tube section are vacuumed.

[0010] Furthermore, both ends of the wire sleeve are fixedly connected with a threaded barrel, a clamping nut is threadedly connected to the threaded barrel, a fastening ring is provided on the threaded barrel, and a sealing sleeve is provided inside the fastening ring.

[0011] Furthermore, the first copper tube section, the corrugated tube section and the second copper tube section are all cylindrical.

[0012] Furthermore, the spring is made of stainless steel.

[0013] Furthermore, the siphon block is in the shape of a cylindrical tube.

[0014] Furthermore, the siphon block is made of siphon material.

[0015] Furthermore, the siphon material is sponge or foam metal.

[0016] Furthermore, the low boiling point medium is ethylene glycol or pure water.

[0017] The beneficial effects of the present invention are:

[0018] High-efficiency two-way heat conduction performance: The flexible two-way heat conduction pipe of the present invention combines the excellent heat conduction characteristics of the first copper tube section, the corrugated tube section and the second copper tube section, as well as the high-efficiency phase change heat transfer capability of the low-boiling point medium filled inside, to achieve rapid two-way heat transfer. Regardless of which end the heat source is located at, the heat can be quickly transferred to the other end through the flexible deformation of the corrugated tube section and the phase change cycle of the internal medium, effectively improving the efficiency and flexibility of thermal management.

[0019] Flexible adaptability: The corrugated pipe section gives the heat pipe good flexibility and bendability, enabling it to adapt to various complex installation environments and space restrictions, especially in small or irregular spaces, and ensure effective heat transfer. It also improves the shock resistance and fatigue resistance of the heat pipe and extends its service life.

[0020] Automatic start and regulation: With the siphon block, the heat pipe can automatically start and regulate the heat transfer process according to the temperature difference between the two ends. When the temperature difference occurs, the low boiling point medium in the siphon block begins to evaporate and generates a pressure difference, driving the medium to circulate in the pipe to achieve heat transfer. This automatic start mechanism does not require an external power source, reducing energy consumption and costs.

[0021] Enhanced structural stability and sealing: The wire sleeve not only enhances the overall structural strength of the heat pipe, but also provides a reliable sealing effect through the close cooperation of the threaded barrel, the ferrule nut and the fastening ring, effectively preventing the influence of the external environment on the heat pipe. At the same time, the setting of the sealing sleeve further improves the sealing performance of the connection, ensuring the stable operation of the heat pipe in harsh environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0023] Figure 2 It is a cross-sectional structural schematic diagram of the present invention;

[0024] Figure 3 For the present invention Figure 2 Enlarged structural diagram at A in the middle.

[0025] Reference table of reference numerals:

[0026] 1. The first copper tube section; 2. The bellows section; 3. The second copper tube section; 4. The wire sleeve; 5. The siphon block; 6. The spring; 7. The threaded tube; 8. The ferrule nut; 9. The fastening ring; 10. The sealing sleeve. DETAILED DESCRIPTION

[0027] The specific implementation of the present invention is further described below in conjunction with the accompanying drawings, wherein the same components are represented by the same reference numerals.

[0028] It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to directions in the drawings, and the words "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0029] In order to make the contents of the present invention more clearly understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0030] like Figures 1 to 3 As shown, a flexible two-way heat-conducting pipe comprises a first copper pipe section 1, a bellows section 2, a second copper pipe section 3, a steel wire sleeve 4, a siphon block 5 and a spring 6.

[0031] The first copper tube section 1, the bellows section 2 and the second copper tube section 3 are all cylindrical. The first copper tube section 1 and the second copper tube section 3 are respectively located at the two ends of the bellows section 2. The first copper tube section 1, the bellows section 2 and the second copper tube section 3 are an integrally formed structure. The first copper tube section 1, the bellows section 2 and the second copper tube section 3 are vacuumed.

[0032] The first copper tube section 1, the bellows section 2 and the second copper tube section 3 are filled with a low boiling point medium, and the low boiling point medium is ethylene glycol or pure water.

[0033] The siphon block 5 is located inside the first copper tube section 1, the corrugated tube section 2 and the second copper tube section 3. The siphon block 5 is in a cylindrical tube shape. The siphon block 5 is made of a siphon material, and the siphon material is sponge or foam metal.

[0034] The flexible bidirectional heat-conducting pipe of the present invention combines the excellent thermal conductivity of the first copper tube section 1, the corrugated tube section 2 and the second copper tube section 3, the siphon effect of the siphon block 5, and the efficient phase change heat transfer capability of the low-boiling-point medium filled inside, thereby realizing rapid bidirectional heat transfer.

[0035] No matter which end the heat source is located at, the heat can be quickly transferred to the other end through the flexible deformation of the bellows section 3 and the phase change cycle of the internal medium, which effectively improves the efficiency and flexibility of thermal management.

[0036] The corrugated tube section 2 gives the heat pipe good flexibility and bendability, enabling it to adapt to various complex installation environments and space limitations, especially in narrow or irregularly shaped spaces, and can ensure effective heat transfer; it also improves the shock resistance and fatigue resistance of the heat pipe and extends its service life.

[0037] The spring 6 is made of stainless steel and is located inside the siphon block 5. The spring 6 is used to support the bellows section 2 so that it remains cylindrical when bent, thereby maintaining good thermal conductivity.

[0038] The wire sleeve 4 is sleeved on the outside of the corrugated pipe section 2. Both ends of the wire sleeve 4 are fixedly connected with threaded tubes 7. A clamping nut 8 is threadedly connected to the threaded tube 7. A fastening ring 9 is provided on the threaded tube 7. A sealing sleeve 10 is provided inside the fastening ring 9.

[0039] The wire sleeve 4 not only enhances the overall structural strength of the heat pipe, but also provides a reliable sealing effect through the close cooperation of the threaded barrel 7, the sleeve nut 8 and the fastening ring 9, effectively preventing the influence of the external environment on the heat pipe. At the same time, the setting of the sealing sleeve 10 further improves the sealing performance of the connection, ensuring the stable operation of the heat pipe in harsh environments.

[0040] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A flexible bidirectional heat conducting pipe, characterized in that: The invention comprises a first copper tube section (1), a bellows section (2), a second copper tube section (3), a steel wire sleeve (4), a siphon block (5) and a spring (6); the first copper tube section (1) and the second copper tube section (3) are respectively located at two ends of the bellows section (2); the steel wire sleeve (4) is sleeved on the outside of the bellows section (2); the siphon block (5) is located on the inside of the first copper tube section (1), the bellows section (2) and the second copper tube section (3); the spring (6) is located on the inside of the siphon block (5); and the first copper tube section (1), the bellows section (2) and the second copper tube section (3) are filled with a low boiling point medium.

2. A flexible bidirectional heat conducting pipe according to claim 1, characterized in that: The first copper tube section (1), the corrugated tube section (2) and the second copper tube section (3) are an integrally formed structure.

3. A flexible bidirectional heat conducting pipe according to claim 2, characterized in that: The first copper tube section (1), the bellows section (2) and the second copper tube section (3) are evacuated.

4. The flexible bidirectional heat conducting pipe according to claim 1, characterized in that: Both ends of the wire sleeve (4) are fixedly connected to a threaded barrel (7), a clamping nut (8) is threadedly connected to the threaded barrel (7), a fastening ring (9) is provided on the threaded barrel (7), and a sealing sleeve (10) is provided inside the fastening ring (9).

5. The flexible bidirectional heat conducting pipe according to claim 3, characterized in that: The first copper tube section (1), the corrugated tube section (2) and the second copper tube section (3) are all cylindrical.

6. The flexible bidirectional heat conducting pipe according to claim 1, characterized in that: The spring (6) is made of stainless steel.

7. The flexible bidirectional heat conducting pipe according to claim 1, characterized in that: The siphon block (5) is in the shape of a cylindrical tube.

8. The flexible bidirectional heat conducting pipe according to claim 7, characterized in that: The siphon block (5) is made of siphon material.

9. The flexible bidirectional heat conducting pipe according to claim 8, characterized in that: The siphon material is sponge or foam metal.

10. The flexible bidirectional heat conducting pipe according to claim 1, characterized in that: The low boiling point medium is ethylene glycol or pure water.