Heat pipe radiator

Abstract

The utility model discloses a heat pipe radiator, and belongs to the technical field of heat radiation. The top of the base body is provided with caulking grooves, and the two ends of the caulking grooves located on the two sides are bent in the opposite directions; the multiple heat pipes are arranged, the multiple heat pipes are installed in the caulking grooves in a one-to-one correspondence and matched in an embedded mode, and the cross sections of the heat pipes are the same as the cross sections of the caulking grooves. The two ends of the caulking grooves in the two sides are bent outwards, so that the layout of the heat pipe is optimized and adjusted to be integrally in an X shape, the overall uniform temperature of the radiator can be improved to the maximum extent, the overall uniform temperature of a product can be improved by about 15%, meanwhile, the effective utilization rate of the radiating area is improved, the heat exchange efficiency is improved by about 10%, and the service life of the radiator is prolonged. Therefore, the heat exchange efficiency of the heat pipe radiator can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of heat dissipation, in particular to a heat pipe radiator. Background Art

[0002] Due to the rapid development of the photovoltaic power generation industry, the demand for high-power photovoltaic inverter grid-connected systems has gradually increased, and the demand for heat pipe radiators has increased significantly. Since the inverter system manufacturers usually have a preliminary design of the system structure, the installation size and installation volume of the heat pipe radiator are basically fixed. Heat exchange efficiency is an important performance indicator of heat pipe radiators, so the heat exchange efficiency of heat pipe radiators needs to be improved. Utility Model Content

[0003] The utility model aims to provide a heat pipe radiator to solve one or more technical problems existing in the prior art and at least provide a beneficial choice or create conditions.

[0004] The technical solution adopted to solve the above technical problems is as follows: a heat pipe radiator, comprising: a base body, a top of which is provided with an embedding groove, and both ends of the embedding groove on both sides are bent in opposite directions respectively; a plurality of heat pipes are provided, and the plurality of heat pipes are embedded and installed in the embedding groove one by one, and the heat pipes are adapted to fit in the embedding groove.

[0005] This technical solution has at least the following beneficial effects: the two ends of the embedding grooves on both sides are bent outward, so that the layout of the heat pipe is optimized and adjusted to an overall "X" shape, which can maximize the overall temperature uniformity of the radiator and can increase the overall temperature uniformity of the product by about 15%. At the same time, the effective utilization rate of the heat dissipation area is improved, and the heat exchange efficiency is improved by about 10%, thereby improving the heat exchange efficiency of the heat pipe radiator.

[0006] As a further improvement of the above technical solution, the embedded grooves bent at both ends are folded grooves, and at least two folded grooves are arranged at the same side of the embedded grooves, thereby improving the heat dissipation efficiency at both sides.

[0007] As a further improvement of the above technical solution, the bending angle of the folding groove closer to the side end is larger, so that the heat dissipation efficiency at both sides can be more uniform and stable.

[0008] As a further improvement of the above technical solution, the bending angles of the folding grooves at the same side end are the same. The same bending angles can facilitate the unified processing and forming of multiple heat pipes at different positions, thereby reducing the processing cost.

[0009] As a further improvement of the above technical solution, inclined surfaces are provided on both side walls of the embedding groove near the opening, so that the opening of the embedding groove is closed inward. After the heat pipe is embedded in the embedding groove by pressing, looseness between the heat pipe wall and the side wall of the embedding groove caused by thermal expansion and contraction can be effectively prevented, thereby ensuring the stable installation of the heat pipe.

[0010] As a further improvement of the above technical solution, the inclination angle of the inclined surface is between 4° and 6°. By reasonably setting the inclined surface, it is possible to simultaneously facilitate the heat pipe to be pressed into the embedding groove and prevent the heat pipe from loosening from the side wall of the embedding groove.

[0011] As a further improvement of the above technical solution, arc chamfered surfaces are provided on both sides of the bottom of the embedding groove, and the arc chamfered surfaces are connected to the inclined surface. The arc chamfered surfaces can facilitate the heat pipe to be guided into the embedding groove, and at the same time, the heat pipe surface can be more closely fitted with the bottom wall of the embedding groove, thereby reducing the presence of gaps and ensuring the heat conduction efficiency.

[0012] As a further improvement of the above technical solution, the edge of the top surface of the heat pipe is provided with a notch, and the notch is filled with the first adhesive, so that the heat pipe is connected to the side wall of the embedding groove, thereby further stably installing the heat pipe in the embedding groove, and at the same time, it is also convenient for processing and production, and improves production efficiency.

[0013] As a further improvement of the above technical solution, the heat pipe is shorter than the length of the corresponding embedding groove, and a second adhesive is contained between the end of the heat pipe and the end wall of the embedding groove to connect the heat pipe to the end wall of the embedding groove. By arranging the second adhesive at both ends to reinforce the heat pipe, the connection stability between the heat pipe and the substrate can be further guaranteed to prevent the heat pipe from detaching.

[0014] As a further improvement of the above technical solution, a skived tooth structure is provided at the bottom of the base body to improve the heat dissipation efficiency of the heat pipe radiator. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0016] Figure 1 This is a schematic diagram of the overall structure of the first embodiment of the utility model;

[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the first embodiment of the utility model;

[0018] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0019] Figure 4This is a schematic diagram of the distribution of embedded grooves in the first embodiment of the utility model;

[0020] Figure 5 This is a schematic diagram of the distribution of embedded grooves in the second embodiment of the present utility model.

[0021] The base 100 , the embedding groove 110 , the folding groove 111 , the inclined surface 120 , the arc chamfered surface 130 , the heat pipe 200 , the notched opening 210 , the first adhesive 300 , the second adhesive 310 , and the skived tooth structure 400 . DETAILED DESCRIPTION

[0022] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0023] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0025] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0026] Embodiment 1:

[0027] Reference Figure 1-4A heat pipe radiator includes a base 100, which is made of aluminum. The base 100 is in a cubic shape, and three heat dissipation units are evenly arranged side by side on the top thereof, and each heat dissipation unit includes a plurality of heat pipes 200 arranged side by side. A plurality of embedded grooves 110 are arranged side by side at the top of the base 100 at positions corresponding to the three heat dissipation units, and the plurality of heat pipes 200 are arranged in a one-to-one corresponding manner with the plurality of embedded grooves 110, so that the top surface of the heat pipe 200 is flush with the top surface of the base 100. A shovel tooth structure 400 is arranged at the bottom of the base 100, and the shovel tooth structure 400 includes a plurality of rectangular narrow grooves evenly arranged side by side.

[0028] In the same heat dissipation unit, six heat pipes 200 are included, and six embedding grooves 110 are opened at the top of the base 100 at the position corresponding to each heat dissipation unit. Among them, the two embedding grooves 110 at both sides are bent outward at both ends, that is, only the two embedding grooves 110 in the middle are straight as a whole, so that the heat dissipation unit is "X" shaped as a whole. The cross-section of the heat pipe 200 is the same as the cross-section of the embedding groove 110, so that the two side walls and the bottom wall of the heat pipe 200 are respectively fitted with the two side walls and the bottom wall of the corresponding embedding groove 110, and the heat pipe 200 can be fit in the embedding groove 110. The embodiment of the present application provides a distribution structure in which a plurality of heat pipes 200 are distributed in an X shape as a whole, which can improve the heat exchange efficiency of the heat pipe radiator.

[0029] In other embodiments, a heat dissipation unit may be provided with only four, five, seven or eight heat pipes, and the number of the bent grooves 110 in one side of each heat dissipation unit may be one or three. The specific number can be set according to actual heat dissipation requirements and other conditions, and no specific limitation is made here.

[0030] In a heat dissipation unit, the embedded groove 110 after being bent on both sides can be called a folded groove 111, and the bending angle of the folded groove 111 at the most end position is larger than the bending angle of the folded groove 111 near the middle position; the overall length of the folded groove 111 at the most end position is larger than the overall length of the folded groove 111 near the middle position; the distance between the two ends of the folded groove 111 is the straight section distance, and the straight section distance of the folded groove 111 at the most end position is smaller than the straight section distance of the folded groove 111 near the middle position. In this way, the two folded grooves 111 on the same side can be distributed more evenly, and the heat dissipation efficiency at both sides can be more uniform and stable. It can be understood that when three or more folding grooves 111 are provided at the same end side position, the closer the folding groove 111 is to the side end position, the larger the bending angle, the longer the overall length, and the smaller the straight section distance, and the bending angle, the overall length and the straight section distance can all be uniformly changed from the direction close to the middle position, thereby ensuring the balanced distribution of the folding grooves 111 to improve the balanced heat dissipation efficiency.

[0031] Both side walls of the embedding groove 110 are provided with inclined surfaces 120, the top edge of the inclined surface 120 is located at the opening position of the embedding groove 110, that is, it is flush with the top surface of the base 100, the bottom edge of the inclined surface 120 is located in the middle of the side wall of the embedding groove 110, and the top edges of the inclined surfaces 120 on both sides of the embedding groove 110 are inclined in a direction close to each other, and the inclination angle of the inclined surface 120 relative to the vertical surface is 5.06°, that is, the angle between the two inclined surfaces 120 is 10.12°, so that the opening of the embedding groove 110 is a closed shape. Arc chamfered surfaces 130 are provided on both sides of the bottom wall of the embedding groove 110, and the top edge of the arc chamfered surface 130 coincides with the bottom edge of the inclined surface 120, so that the inclined surface 120 is connected to the arc chamfered surface 130 on the corresponding side.

[0032] After the heat pipe 200 that matches the shape of the embedding groove 110 is embedded in the corresponding embedding groove 110 by pressing, the looseness between the side wall of the heat pipe 200 and the side wall of the embedding groove 110 caused by thermal expansion and contraction can be effectively prevented. The heat pipe 200 is ensured to be firmly installed, and the heat pipe 200 and the wall of the embedding groove 110 are closely attached to reduce the existence of gaps, which can better ensure the heat conduction efficiency.

[0033] It should be noted that, in other embodiments, the inclination angle of the inclined surface 120 relative to the vertical surface can also be set to 4°, 5° or 6°, preferably between 4° and 6°. This prevents the heat pipe 200 from loosening from the side wall of the embedding groove 110 and ensures that the heat pipe 200 is easily embedded in the embedding groove 110.

[0034] In order to improve the installation stability of the heat pipe 200, a notch 210 is provided at the edge of the top surface of the heat pipe 200. The notch 210 forms an annular notch between the heat pipe 200 and the embedded groove 110 to communicate with the outside world. The annular notch contains the first adhesive 300, so that the heat pipe 200 is firmly connected to the side wall of the embedded groove 110 to ensure the stability of the heat pipe 200. Furthermore, the length of each heat pipe 200 can be slightly shorter than the length of the corresponding embedded groove 110, so that when the heat pipe 200 is embedded in the corresponding embedded groove 110, there is a certain gap between the two ends of the heat pipe 200 and the end wall of the corresponding embedded groove 110, and the gap contains the second adhesive 310, so that the end of the heat pipe 200 can be more firmly adhered to the end wall of the embedded groove 110. Among them, the first adhesive 300 and the second adhesive 310 are both thermally conductive structural adhesives.

[0035] In other embodiments, when the overall length of the heat pipe 200 is shorter than the corresponding embedding groove 110, a gap can be set between one end of the heat pipe 200 and the end wall of the corresponding embedding groove 110, while no gap is set at the other end. The installation of the heat pipe 200 can also be stabilized by setting a second adhesive 310 at one end of the heat pipe 200 to bond and connect with the side wall of the corresponding embedding groove 110. In other embodiments, the notched opening 210 and the first adhesive 300 may not be provided, and the installation of the heat pipe 200 is strengthened only by limiting the length of the heat pipe 200 relative to the corresponding embedding groove 110 and providing the second adhesive 31. In other words, the installation of the heat pipe 200 can be strengthened only by providing the notched opening 210 and the first adhesive 300, instead of limiting the length of the heat pipe 200 relative to the corresponding embedding groove 110 and providing the second adhesive 31.

[0036] The heat pipe radiator disclosed in this embodiment can have high long-term stability even under complex working conditions, thereby increasing the working life of the equipment by more than 20%.

[0037] Embodiment 2:

[0038] Reference Figure 5 The difference between this embodiment and the first embodiment is that the bending angles of the folding grooves 111 on the same end side are different. In this embodiment, the bending angles of the folding grooves 111 on the same side are the same, and the bending angles are preferably between 30° and 50°, and the straight section distance of the folding groove 111 at the most end position is shorter than the straight section distance of the folding groove 111 near the middle position. Therefore, the heat pipes 200 at different positions can be bent by the same bending equipment, which ensures the stability of the bending angles of each heat pipe 200, reduces the investment cost of the bending equipment, reduces the production cost, and improves the economy of the product.

[0039] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A heat pipe radiator, characterized in that: include: The base body has an embedding groove on the top, and the two ends of the embedding groove on both sides are bent in opposite directions respectively; A plurality of heat pipes are provided, and the plurality of heat pipes are embedded and installed in the embedding grooves in a one-to-one correspondence, and the heat pipes are adapted to be embedded in the embedding grooves.

2. A heat pipe radiator according to claim 1, characterized in that: The embedding grooves bent at both ends are folded grooves, and among the embedding grooves arranged side by side, at least two folded grooves are arranged at the same side.

3. A heat pipe radiator according to claim 2, characterized in that: The closer the folding groove is to the side end, the larger the bending angle is.

4. A heat pipe radiator according to claim 2, characterized in that: The bending angles of the folding grooves at the same side end are the same.

5. The heat pipe radiator according to claim 1, characterized in that: Inclined surfaces are arranged on both side walls of the embedding groove and close to the opening, so that the opening of the embedding groove is closed inwards.

6. A heat pipe radiator according to claim 5, characterized in that: The inclination angle of the inclined surface is between 4° and 6°.

7. The heat pipe radiator according to claim 5, characterized in that: Arc chamfered surfaces are arranged on both sides of the bottom of the embedding groove, and the arc chamfered surfaces are connected to the inclined surface.

8. A heat pipe radiator according to claim 7, characterized in that: A notch is formed on the edge of the top surface of the heat pipe, and the notch is filled with a first adhesive to connect the heat pipe to the side wall of the embedding groove.

9. The heat pipe radiator according to claim 1, characterized in that: The heat pipe is shorter than the length of the corresponding embedding groove, and a second adhesive is contained between the end of the heat pipe and the end wall of the embedding groove, so that the heat pipe is connected to the end wall of the embedding groove.

10. The heat pipe radiator according to claim 1, characterized in that: A shovel tooth structure is provided at the bottom of the base.

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