Efficient integrated metal tube, efficient bifurcated integrated metal tube and efficient heat dissipation device

Abstract

The invention relates to the technical field of heat dissipation copper pipes, and discloses an efficient integrated metal pipe, an efficient bifurcated integrated metal pipe and an efficient heat dissipation device.The efficient integrated metal pipe comprises a first metal pipe body and a second metal pipe body, the first metal pipe body comprises a transverse pipe section and two longitudinal pipe sections, and the transverse pipe section is used for conducting heat interaction with a heat source; the two ends of the transverse pipe section are in butt joint with the longitudinal pipe section and are integrally formed, the second metal pipe is communicated with the transverse pipe section, and the capillary of the longitudinal pipe section and the capillary of the second metal pipe are communicated with the capillary of the transverse pipe section. Gasification working media are evaporated from the transverse pipe section to the two longitudinal pipe sections and the second metal pipe, the working media flow back to the transverse pipe section along the capillaries of the longitudinal pipe sections and the capillaries of the second metal pipe after being cooled and liquefied, and therefore heat transfer paths and backflow paths of the working media are increased, meanwhile, the longitudinal pipe sections and the second metal pipe are arranged at different positions, heat conduction areas are increased, and heat conduction efficiency is improved. The heat dissipation is facilitated, the heat dissipation efficiency is improved, the heat dissipation efficiency of the metal pipe is improved, and the metal pipe has efficient performance.

Description

Technical Field

[0001] The patent of this invention relates to the technical field of heat dissipation copper tubes, specifically, to high-efficiency integrated metal tubes, high-efficiency forked integrated metal tubes and high-efficiency heat dissipation devices. Background Art

[0002] The computer host generates a lot of heat when working. If the heat is not dissipated in time, it may cause the computer to freeze at best and even burn out the parts of the host at worst. Therefore, a radiator is needed to dissipate the heat of the internal components of the host.

[0003] The radiator includes heat-dissipating metal tubes, heat-dissipating fins and a temperature-averaging plate. The temperature-averaging plate conducts heat and achieves heat dissipation through the cooperation of each heat-dissipating metal tube and each heat-dissipating fin. The working fluid switches between the evaporation state and the liquefaction state along the heat-dissipating metal tube to achieve heat interaction.

[0004] For example, a prior patent with authorization announcement number CN222124079U discloses a heat dissipation fin structure with a snap-fit structure, characterized in that it includes a plurality of fins, a heat dissipation base and a copper tube, the fins are stacked in sequence along the vertical direction, the middle part of the copper tube spans the heat dissipation base, and the two ends of the copper tube pass upward through the fins, and both ends of the fin are provided with a first bending portion, the first bending portion is bent upward, and both sides of the first bending portion are provided with a second bending portion, the second bending portion is bent toward the inside of the fin, the upper end of the second bending portion is higher than the upper end of the first bending portion, and there is a first notch between the lower end of the second bending portion and the fin, and a second notch is provided at both ends of the fin, and the second notch is located on both sides of the lower end of the first bending portion.

[0005] In the prior art, U-shaped copper tubes and fins are used to achieve heat exchange. The U-shaped copper tubes have insufficient working medium flow paths. At the same time, the heat conduction position between the U-shaped copper tubes and the fins is single, resulting in poor heat dissipation effect. Summary of the Invention

[0006] The purpose of the present invention is to provide a high-efficiency integrated metal tube, a high-efficiency bifurcated integrated metal tube and a high-efficiency heat dissipation device, aiming to solve the problem of poor heat dissipation effect of copper tubes in the prior art.

[0007] The present invention is achieved as follows: a high-efficiency integrated metal tube includes a first metal tube and a second metal tube, the first metal tube includes a transverse tube section and two longitudinal tube sections, the transverse tube section is used to interact heat with a heat source, the two ends of the transverse tube section are respectively docked with the longitudinal tube section and arranged as an integral unit, the second metal tube is docked with the transverse tube section and connected, and the capillaries of the longitudinal tube section and the second metal tube are respectively connected with the capillaries of the transverse tube section.

[0008] Furthermore, a secondary capillary layer is provided inside the second metal tube, and the secondary capillary layer fully covers the inner wall of the second metal tube; a main capillary layer is provided inside the first metal tube, and the capillary layer fully covers the inner wall of the longitudinal tube section and the inner wall of the transverse tube end, and the main capillary layer and the secondary capillary layer are butt-jointed and capillary-connected.

[0009] Furthermore, a flat tube section is formed in the middle of the transverse tube section, the flat tube section is arranged in a flat shape, the flat tube section has a flat tube surface, the flat tube surface is arranged horizontally, and the lower part of the second metal tube is arranged to be butt-jointed with the flat tube surface.

[0010] Furthermore, the flat tube surface has a flat tube opening, the flat tube opening is arranged through, and the second metal tube is connected to the horizontal tube section through the flat tube opening.

[0011] Furthermore, the high-efficiency integrated metal tube includes a bifurcated tube, which is connected to and communicates with the second metal tube. The bifurcated tube includes a connecting fork section and a bifurcated section. The inner end of the connecting fork section is connected to and communicates with the second metal tube, the outer end of the connecting fork section is extended in the direction toward the longitudinal tube section, and the connecting fork section is connected to and communicates with the lower part of the bifurcated section, and the upper part of the bifurcated section is extended in the direction away from the transverse tube section.

[0012] Furthermore, a sub-capillary layer is provided on the inner wall of the bifurcated tube, and the sub-capillary layer completely covers the inner wall of the bifurcated tube. The sub-capillary layer and the auxiliary capillary layer are butted against each other and are capillary-connected.

[0013] Furthermore, the high-efficiency integrated metal tube includes two bifurcated tubes, which are respectively arranged along two sides of the second metal tube, and the two bifurcated tubes are synchronously connected to and connected with the second metal tube.

[0014] Furthermore, the second metal tube is located between the two longitudinal tube sections, and the two longitudinal tube sections and the second metal tube are arranged in a straight line with corresponding intervals, or the second metal tube and the longitudinal tube sections are arranged in a staggered interval with corresponding intervals.

[0015] An efficient bifurcated integrated metal tube comprises a first metal tube, a second metal tube, and a bifurcated tube. The first metal tube is arranged horizontally, and both ends of the first metal tube are sealed. The second metal tube is arranged longitudinally, and the lower portion of the second metal tube is butted against the first metal tube and formed integrally. The first metal tube, the second metal tube, and the bifurcated tube are connected and form the same chamber. The bifurcated tube is butt-jointed and connected to the second metal tube, and the bifurcated tube includes a connecting section and a bifurcated section. The inner end of the connecting section is butt-jointed and connected to the second metal tube, the outer end of the connecting section is extended in the direction toward the longitudinal tube section, and the connecting section is butt-jointed and connected to the lower part of the bifurcated section, and the upper part of the bifurcated section is extended in the direction away from the transverse tube section.

[0016] A high-efficiency heat dissipation device includes a fin module, a first metal tube and a second metal tube. The first metal tube includes a transverse tube section and two longitudinal tube sections. The two ends of the transverse tube section are respectively butted against the longitudinal tube sections and arranged as an integral unit. The second metal tube is butted against and connected to the transverse tube section, and the capillaries of the longitudinal tube section and the capillaries of the second metal tube are respectively connected to the capillaries of the transverse tube section. The two longitudinal tube sections and the second metal tube are respectively assembled with the fin module, and the second metal tube is located between the two longitudinal tube sections.

[0017] Compared with the prior art, the high-efficiency integrated metal tube, high-efficiency bifurcated integrated metal tube and high-efficiency heat dissipation device provided by the present invention, when the working medium absorbs heat and vaporizes, the vaporized working medium evaporates from the horizontal tube section to the two longitudinal tube sections and the second metal tube. After the working medium dissipates heat and liquefies, it flows back to the horizontal tube section along the capillaries of the longitudinal tube sections and the second metal tube. In this way, the heat transfer path and the reflux path of the working medium are increased. At the same time, by arranging the longitudinal tube sections and the second metal tube in different positions, the heat conduction area is increased, the heat dissipation is facilitated, the heat dissipation efficiency is accelerated, thereby improving the heat dissipation efficiency of the metal tube and making the metal tube have high efficiency performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic diagram of the high-efficiency integrated metal tube provided by the present invention; Figure 2 This is a schematic front view of the high-efficiency integrated metal tube provided by the present invention; Figure 3 1 is a schematic cross-sectional view of a high-efficiency integrated metal tube provided by the present invention; Figure 4 This is a three-dimensional schematic diagram of the high-efficiency bifurcated integrated metal tube provided by the present invention; Figure 5 It is a three-dimensional schematic diagram of the high-efficiency heat dissipation device provided by the present invention; Figure 6 is a schematic top view of the high-efficiency heat dissipation device provided by the present invention; Figure 7 It is a schematic front view of the high-efficiency heat dissipation device provided by the present invention. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0020] The implementation of the present invention is described in detail below with reference to specific embodiments.

[0021] The same or similar numbers in the drawings of this embodiment correspond to the same or similar parts; in the description of the present invention, it should be understood that if the terms "upper", "lower", "left", "right", etc. indicate the orientation or position relationship, they are based on the orientation or position relationship shown in the drawings. This is only for the convenience of describing the present invention and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation. Therefore, the terms describing the position relationship in the drawings are only used for illustrative purposes and cannot be understood as limiting this patent. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to specific circumstances.

[0022] Reference Figure 1-7 The figure shows a preferred embodiment of the present invention.

[0023] A high-efficiency integrated metal tube includes a first metal tube 1 and a second metal tube 2. The first metal tube 1 includes a transverse tube section 11 and two longitudinal tube sections 12. The transverse tube section 11 is used for heat interaction with a heat source. The two ends of the transverse tube section 11 are respectively docked with the longitudinal tube sections 12 and arranged as an integral unit. The second metal tube 2 is docked with the transverse tube section 11 and is connected, and the capillaries of the longitudinal tube section 12 and the second metal tube 2 are respectively connected with the capillaries of the transverse tube section 11.

[0024] In the above-mentioned high-efficiency integrated metal tube, when the working medium absorbs heat and vaporizes, the vaporized working medium evaporates from the horizontal tube section 11 to the two longitudinal tube sections 12 and the second metal tube 2. After the working medium dissipates heat and liquefies, it flows back to the horizontal tube section 11 along the capillaries of the longitudinal tube sections 12 and the second metal tube 2. In this way, the heat transfer path and the reflux path of the working medium are increased. At the same time, by arranging the longitudinal tube sections 12 and the second metal tube 2 in different positions, the heat conduction area is increased, the heat dissipation is facilitated, the heat dissipation efficiency is accelerated, thereby improving the heat dissipation efficiency of the metal tube and making the metal tube have high efficiency performance.

[0025] The metal pipe may be a copper pipe, an aluminum pipe, a copper alloy, or an aluminum alloy.

[0026] The working fluid is a heat transfer fluid with a low boiling point. It is easy to absorb heat and evaporate into gas. Under the action of the pressure difference, the gasified working fluid flows to the first metal tube 1 and the second metal tube 2, and then releases heat through liquefaction, condenses into liquid and flows back to the horizontal pipe section 11. This cycle improves the heat dissipation effect of the radiator.

[0027] Even the working fluid can be water A secondary capillary layer 21 is provided inside the second metal tube 2, and the secondary capillary layer 21 fully covers the inner wall of the second metal tube 2; a main capillary layer 13 is provided inside the first metal tube 1, and the capillary layer fully covers the inner wall of the longitudinal tube section 12 and the inner wall of the transverse tube end, and the main capillary layer 13 and the secondary capillary layer 21 are butt-jointed and capillary-connected.

[0028] In this way, through the cooperation of the main capillary layer 13 and the secondary capillary layer 21, the thermal resistance is reduced, the heat conduction is facilitated, thereby improving the thermal conductivity effect, and then improving the heat dissipation effect of the heat source. At the same time, it plays a guiding role in the reflux of the working fluid, facilitates the reflux of the working fluid, and ensures circulating heat dissipation.

[0029] The main capillary layer 13 and the secondary capillary layer 21 are connected and connected, which reduces thermal resistance, facilitates heat conduction, and also facilitates the backflow of liquid working medium.

[0030] The main capillary layer 13 and the auxiliary capillary layer 21 are respectively made of metal powder.

[0031] A flat tube section 111 is formed in the middle of the transverse tube section 11 . The flat tube section 111 is arranged flatly and has a flat tube surface. The flat tube surface is arranged horizontally, and the lower part of the second metal tube 2 is arranged to butt against the flat tube surface.

[0032] In this way, the flat tube section 111 has a larger contact area, which increases the heat absorption area, thereby improving the heat absorption effect and helping to improve the heat dissipation effect. At the same time, the flat tube section 111 is arranged horizontally, which facilitates the docking of the second metal tube 2 and the flat tube section 111.

[0033] The second metal tube 2 and the flat tube section 111 are butted together by welding, and diffusion welding can be used.

[0034] The second metal tube 2 and the flat tube section 111 are integrally formed and arranged, and no solder is required during manufacturing, which reduces costs and facilitates manufacturing.

[0035] The flat tube surface has a flat tube opening, which is arranged through the flat tube opening. The second metal tube 2 is connected to the transverse tube section 11 through the flat tube opening. In this way, under the action of the flat tube opening, the transverse tube section 11 and the second metal tube 2 are connected, so that the heated and evaporated working medium flows to the second metal tube 2, thereby conducting heat and playing a heat dissipation role.

[0036] The high-efficiency integrated metal pipe includes a bifurcated pipe 3, which is connected to and communicates with the second metal pipe 2. The bifurcated pipe 3 includes a connecting fork section and a bifurcated section. The inner end of the connecting fork section is connected to and communicates with the second metal pipe 2, and the outer end of the connecting fork section is extended in the direction toward the longitudinal pipe section 12. The connecting fork section is connected to and communicates with the lower part of the bifurcated section, and the upper part of the bifurcated section is extended in the direction away from the transverse pipe section 11.

[0037] In this way, under the action of the bifurcated tube 3, the heat transfer path and the return path of the working medium are increased. At the same time, the heat conduction area is increased, which facilitates the heat dissipation and accelerates the heat dissipation efficiency, thereby improving the heat dissipation efficiency of the metal tube and making the metal tube have high efficiency performance.

[0038] The inner wall of the bifurcated tube 3 is provided with a sub-capillary layer, which fully covers the inner wall of the bifurcated tube 3. The sub-capillary layer and the secondary capillary layer 21 are connected and arranged in a capillary manner; the heat transfer path and the reflux path of the working medium are increased, so that the metal tube has an efficient heat dissipation function.

[0039] The high-efficiency integrated metal tube includes two bifurcated tubes 3, which are arranged along both sides of the second metal tube 2, and the two bifurcated tubes 3 are synchronously connected to the second metal tube 2 and connected; the heat transfer path and return path of the working medium are increased, so that the metal tube has a high-efficiency heat dissipation function. At the same time, the two bifurcated tubes 3 are arranged in different positions to increase the heat conduction area, which facilitates heat dissipation.

[0040] Along the longitudinal direction, the two bifurcated tubes 3 are staggered. The two bifurcated tubes 3 dissipate heat in both the horizontal and longitudinal directions, reducing heat accumulation and facilitating heat dissipation, thereby improving the heat dissipation effect.

[0041] The second metal tube 2 is located between the two longitudinal tube sections 12. The two longitudinal tube sections 12 and the second metal tube 2 are arranged in a straight line with corresponding spacing; heat accumulation is reduced, heat dissipation is facilitated, and thus the heat dissipation effect is improved. The second metal tube 2 is located between the two longitudinal tube sections 12 , and the second metal tube 2 and the longitudinal tube sections 12 are arranged in a staggered interval to reduce heat accumulation, facilitate heat dissipation, and thus improve the heat dissipation effect.

[0042] The connecting fork section is horizontally extended to form a distance between the fork section and the second metal tube 2, thereby reducing heat accumulation and facilitating heat dissipation.

[0043] Alternatively, along the direction from the bifurcated section to the second metal tube 2, the bifurcated section is gradually arranged in an inclined shape downward, so that the backflow of the liquid working medium is facilitated by combining gravity.

[0044] Alternatively, the fork section includes an inner section and an outer section, the inner section is arranged horizontally, and the two ends of the inner section are respectively connected to the outer section and the second metal tube 2 and connected, and the outer section is arranged in an arc shape, and the outer section is connected to the fork section and connected, so as to facilitate the reflux of the liquid working medium.

[0045] An efficient bifurcated integral metal tube comprises a first metal tube, a second metal tube and a bifurcated tube. The first metal tube is arranged horizontally, and both ends of the first metal tube are sealed. The second metal tube is arranged longitudinally, and the lower part of the second metal tube is docked with the first metal tube and arranged as an integral unit. The first metal tube, the second metal tube and the bifurcated tube are connected and form the same chamber. The bifurcated tube is docked with the second metal tube and arranged in a connected manner. The bifurcated tube comprises a connecting fork section and a bifurcated section. The inner end of the connecting fork section is docked with the second metal tube and arranged in a connected manner. The outer end of the connecting fork section is extended in the direction toward the longitudinal tube section, and the connecting fork section is docked with the lower part of the bifurcated section and arranged in a connected manner. The upper part of the bifurcated section is extended in the direction away from the horizontal tube section.

[0046] In the above-mentioned high-efficiency bifurcated integrated metal tube, when the working medium absorbs heat and vaporizes, the vaporized working medium evaporates from the first metal tube 1 to the second metal tube 2 and the bifurcated tube 3. After the working medium dissipates heat and liquefies, it flows back to the first metal tube 1 along the capillaries of the second metal tube and the bifurcated tube. In this way, the heat transfer path and the reflux path of the working medium are increased. At the same time, by arranging the second metal tube 2 and the bifurcated tube 3 in different positions, the heat conduction area is increased, the heat dissipation is facilitated, the heat dissipation efficiency is accelerated, thereby improving the heat dissipation efficiency of the metal tube and making the metal tube have high efficiency performance.

[0047] The inner wall of the bifurcated tube 3 is provided with a sub-capillary layer, which fully covers the inner wall of the bifurcated tube 3. The sub-capillary layer and the secondary capillary layer 21 are connected and arranged in a capillary manner; the heat transfer path and the reflux path of the working medium are increased, so that the metal tube has an efficient heat dissipation function.

[0048] The high-efficiency integrated metal tube includes two bifurcated tubes 3, which are arranged along both sides of the second metal tube 2, and the two bifurcated tubes 3 are synchronously connected to the second metal tube 2 and connected; the heat transfer path and return path of the working medium are increased, so that the metal tube has a high-efficiency heat dissipation function. At the same time, the two bifurcated tubes 3 are arranged in different positions to increase the heat conduction area, which facilitates heat dissipation.

[0049] Along the longitudinal direction, the two bifurcated tubes 3 are staggered. The two bifurcated tubes 3 dissipate heat in both the horizontal and longitudinal directions, reducing heat accumulation and facilitating heat dissipation, thereby improving the heat dissipation effect.

[0050] The connecting fork section is horizontally extended to form a distance between the fork section and the second metal tube 2, thereby reducing heat accumulation and facilitating heat dissipation.

[0051] Alternatively, along the direction from the bifurcated section to the second metal tube 2, the bifurcated section is gradually arranged in an inclined shape downward, so that the backflow of the liquid working medium is facilitated by combining gravity.

[0052] Alternatively, the fork section includes an inner section and an outer section, the inner section is arranged horizontally, the two ends of the inner section are respectively connected to the outer section and the second metal tube 2 and are arranged in a connected manner, the outer section is arranged in an arc shape, and the outer section is connected to the fork section and is arranged in a connected manner to facilitate the reflux of the liquid working medium. A high-efficiency heat dissipation device includes a fin module 4, a first metal tube 1 and a second metal tube 2. The first metal tube 1 includes a transverse tube section 11 and two longitudinal tube sections 12. The two ends of the transverse tube section 11 are respectively connected to the longitudinal tube section 12 and are arranged as an integral unit. The second metal tube 2 is connected to the transverse tube section 11 and is connected to the capillaries of the longitudinal tube section 12 and the second metal tube 2. The two longitudinal tube sections 12 and the second metal tube 2 are respectively assembled with the fin module 4, and the second metal tube 2 is located between the two longitudinal tube sections 12.

[0053] In the above-mentioned high-efficiency heat dissipation device, when the working medium absorbs heat and vaporizes, the vaporized working medium evaporates from the horizontal pipe section 11 to the two longitudinal pipe sections 12 and the second metal tube 2. The two longitudinal pipe sections 12 and the second metal tube 2 transfer heat to the fin module 4 and then cool down to liquefy. The liquefied working medium flows back to the horizontal pipe section 11 along the capillaries of the longitudinal pipe sections 12 and the second metal tube 2. In this way, the heat transfer path and the reflux path of the working medium are increased. At the same time, heat is transferred to the fin module 4 at different positions through the longitudinal pipe sections 12 and the second metal tube 2, which increases the heat conduction area, reduces the heat accumulation of the fin module 4, facilitates the heat dissipation, accelerates the heat dissipation efficiency, thereby improving the heat dissipation efficiency of the metal tube and making the metal tube have high efficiency performance.

[0054] The high-efficiency heat dissipation device includes a fan assembly, which is arranged corresponding to the fin module 4. The fan assembly is used to output airflow toward the fin module 4. Since the longitudinal pipe section 12 and the second metal tube 2 are arranged in different areas relative to the fin module 4, it is convenient for the airflow to carry heat, reduce heat accumulation, improve the heat dissipation effect, and reduce the setting of metal tubes, thereby reducing the manufacturing cost of the heat dissipation device.

[0055] 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 should be included in the scope of protection of the present invention.

Claims

1. High-efficiency integrated metal tube, characterized by: It includes a first metal tube and a second metal tube, the first metal tube includes a transverse tube section and two longitudinal tube sections, the transverse tube section is used to interact heat with the heat source, the two ends of the transverse tube section are respectively docked with the longitudinal tube section and arranged as one piece, the second metal tube is docked with the transverse tube section and is connected, and the capillaries of the longitudinal tube section and the second metal tube are respectively connected with the capillaries of the transverse tube section.

2. The high-efficiency integrated metal tube according to claim 1, characterized in that: A secondary capillary layer is provided inside the second metal tube, and the secondary capillary layer fully covers the inner wall of the second metal tube; a main capillary layer is provided inside the first metal tube, and the capillary layer fully covers the inner wall of the longitudinal tube section and the inner wall of the transverse tube end, and the main capillary layer and the secondary capillary layer are butt-jointed and capillary-connected.

3. The high-efficiency integrated metal tube according to claim 2, characterized in that: A flat tube section is formed in the middle of the transverse tube section. The flat tube section is arranged in a flat shape and has a flat tube surface. The flat tube surface is arranged horizontally, and the lower part of the second metal tube is arranged to be butt-jointed with the flat tube surface.

4. The high-efficiency integrated metal tube according to claim 3, characterized in that: The flat tube surface has a flat tube opening, the flat tube opening is arranged through, and the second metal tube is arranged in communication with the transverse tube section via the flat tube opening.

5. The high-efficiency integrated metal tube according to any one of claims 2 to 4, characterized in that: The high-efficiency integrated metal tube includes a bifurcated tube, which is connected to and communicates with the second metal tube. The bifurcated tube includes a connecting section and a bifurcated section. The inner end of the connecting section is connected to and communicates with the second metal tube, the outer end of the connecting section is extended in the direction toward the longitudinal tube section, and the connecting section is connected to and communicates with the lower part of the bifurcated section, and the upper part of the bifurcated section is extended in the direction away from the transverse tube section.

6. The high-efficiency integrated metal tube according to claim 5, characterized in that: The inner wall of the bifurcated tube is provided with a sub-capillary layer, which fully covers the inner wall of the bifurcated tube. The sub-capillary layer and the auxiliary capillary layer are butted against each other and are capillary-connected.

7. The high-efficiency integrated metal tube according to claim 5, characterized in that: The high-efficiency integrated metal tube includes two bifurcated tubes, which are respectively arranged along two sides of the second metal tube, and the two bifurcated tubes are synchronously connected to and communicated with the second metal tube.

8. The high-efficiency integrated metal tube according to any one of claims 1 to 4, characterized in that: The second metal tube is located between the two longitudinal tube sections. The two longitudinal tube sections and the second metal tube are arranged in a straight line with corresponding intervals, or the second metal tube and the longitudinal tube sections are arranged in a staggered interval with corresponding intervals.

9. High-efficiency bifurcated integrated metal tube, characterized in that: The invention comprises a first metal tube, a second metal tube and a bifurcated tube, wherein the first metal tube is arranged horizontally and both ends of the first metal tube are sealed, the second metal tube is arranged longitudinally, and the lower portion of the second metal tube is butted against the first metal tube and formed integrally, and the first metal tube, the second metal tube and the bifurcated tube are connected and form the same chamber; The bifurcated tube is butt-jointed and connected to the second metal tube, and the bifurcated tube includes a connecting section and a bifurcated section. The inner end of the connecting section is butt-jointed and connected to the second metal tube, the outer end of the connecting section is extended in the direction toward the longitudinal tube section, and the connecting section is butt-jointed and connected to the lower part of the bifurcated section, and the upper part of the bifurcated section is extended in the direction away from the transverse tube section.

10. High-efficiency heat dissipation device, characterized in that: It includes a fin module, a first metal tube and a second metal tube. The first metal tube includes a transverse tube section and two longitudinal tube sections. The two ends of the transverse tube section are respectively connected to the longitudinal tube section and arranged as an integral unit. The second metal tube is connected to the transverse tube section and is connected, and the capillaries of the longitudinal tube section and the capillaries of the second metal tube are respectively connected to the capillaries of the transverse tube section. The two longitudinal tube sections and the second metal tube are respectively assembled with the fin module, and the second metal tube is located between the two longitudinal tube sections.

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