Radiator and projector

Abstract

The utility model provides a radiator and a projector. The radiator comprises a substrate, a plurality of first cooling fins arranged on one side of the substrate, a plurality of second cooling fins arranged on the other side of the substrate, and heat conduction pipes penetrating through the first cooling fins, the substrate and the second cooling fins in sequence. A first ventilation space is formed between any two adjacent first cooling fins, and a second ventilation space is formed between any two adjacent second cooling fins. According to the scheme, the heat conduction pipe sequentially penetrates through the first cooling fins, the substrate and the second cooling fins, heat on one side of the substrate can be conducted to the other side of the substrate, the first ventilation space is formed between any two adjacent first cooling fins, the second ventilation space is formed between any two adjacent second cooling fins, convection heat dissipation can be formed, and heat dissipation efficiency is improved. And in addition, the heat dissipation effect is better by being matched with a fan for use.

Description

Technical Field

[0001] The present application relates to the technical field of projectors, and in particular to a radiator and a projector. Background Art

[0002] At present, the heat generated by the projection light source in the projector is relatively large. Some projectors only design cooling fans at the air outlet, and the heat dissipation effect is not ideal. When the heat inside the projector cannot be dissipated in time, the internal temperature is too high, which can easily cause the display screen to have reduced lumen and black screen, which will not only affect the projection effect of the projector, but also shorten the service life of the projector.

[0003] Therefore, it is necessary to provide a radiator capable of improving the heat dissipation effect and a projector using the radiator. Utility Model Content

[0004] In view of the above-mentioned deficiencies in the prior art, an object of the present invention is to provide a radiator capable of improving the heat dissipation effect and a projector using the radiator.

[0005] According to the implementation scheme of the utility model, a first scheme is provided: a radiator, the radiator comprising a substrate, a plurality of first heat sinks arranged on one side of the substrate, a plurality of second heat sinks arranged on the other side of the substrate, and a heat pipe sequentially passing through the first heat sinks, the substrate and the second heat sinks; a first ventilation space is formed between any two adjacent first heat sinks, and a second ventilation space is formed between any two adjacent second heat sinks.

[0006] In a preferred embodiment, a third ventilation space is formed between the first heat sink adjacent to the substrate and the substrate, and a fourth ventilation space is formed between the second heat sink adjacent to the substrate and the substrate.

[0007] In a preferred embodiment, first bending portions are provided on two opposite sides of the first heat sink, and second bending portions are provided on two opposite sides of the second heat sink. Both the first bending portion and the second bending portion extend along the length direction of the heat pipe.

[0008] In a preferred embodiment, the first bent portion extends toward the substrate, and the second bent portion extends away from the substrate.

[0009] In a preferred solution, the substrate is further provided with an extension portion on a side away from the first heat sink, and the extension portion extends toward the second heat sink.

[0010] In a preferred solution, the first heat sink and the second heat sink are both provided with a first mounting hole for mounting the heat conducting pipe, and the heat conducting pipe is interference fit with the first mounting hole.

[0011] In a preferred embodiment, the substrate is provided with a second mounting hole, and projected along the length direction of the heat pipe, the projection of the second mounting hole is outside the projection of the first heat sink, and the projection of the second mounting hole is outside the projection of the second heat sink.

[0012] In a preferred embodiment, the lengths of the first heat sink and the second heat sink are both shorter than the length of the substrate, and the second mounting holes are disposed at both ends of the substrate in the length direction.

[0013] In a preferred embodiment, a plurality of the heat conducting pipes are arranged at intervals along the length direction of the substrate.

[0014] In a preferred embodiment, a projector is further provided, comprising the radiator described in any of the above embodiments.

[0015] The utility model has the following beneficial effects:

[0016] The heat pipe passes through the first heat sink, the substrate and the second heat sink in sequence, and can conduct the heat on one side of the substrate to the other side of the substrate. A first ventilation space is formed between any two adjacent first heat sinks, and a second ventilation space is formed between any two adjacent second heat sinks, which can form convection heat dissipation, further improving the heat dissipation effect, and the heat dissipation effect is better when used with a fan. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of a radiator according to an embodiment of the utility model;

[0018] Figure 2 It is a schematic diagram of a heat sink according to an embodiment of the utility model cut away at a substrate;

[0019] Figure 3 for Figure 2 Enlarged view of point a in the middle.

[0020] Reference numerals: 10, first heat sink; 11, first ventilation space; 12, first bending portion; 20, substrate; 21, third ventilation space; 22, fourth ventilation space; 23, extension portion; 24, second mounting hole; 30, second heat sink; 31, second ventilation space; 32, second bending portion; 40, heat pipe; DETAILED DESCRIPTION

[0021] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of this application.

[0022] It should be noted that when an element is referred to as being "fixed on" or "set on" another component, it can be directly on the other component or indirectly set on the other component; when a component is referred to as being "connected to" another component, it can be directly connected to the other component or indirectly connected to the other component.

[0023] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "

[0024] The orientations or positional relationships indicated by "horizontal", "vertical", "top", "bottom", "inside", "outside", etc. are based on the orientations or positional relationships shown in the drawings and are only for the convenience of describing the present application and simplifying the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limitations on the present application.

[0025] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" and "several" mean two or more, unless otherwise clearly and specifically defined.

[0026] It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings of this specification are only used to match the contents disclosed in the specification so that people familiar with this technology can understand and read them. They are not used to limit the conditions under which this application can be implemented, so they have no substantive technical significance. Any structural modification, change in proportional relationship or adjustment of size should still fall within the scope of the technical content disclosed in this application without affecting the effects and purposes that can be achieved by this application.

[0027] Please refer to Figure 1 to Figure 3An embodiment of the utility model provides a heat sink, which includes a first heat sink 10, a substrate 20, a second heat sink 30, and a heat pipe 40. A plurality of first heat sinks 10 are arranged on one side of the substrate 20, a plurality of second heat sinks 30 are arranged on the other side of the substrate 20, and the heat pipe 40 sequentially penetrates the first heat sink 10, the substrate 20, and the second heat sink 30 to connect the first heat sink 10, the substrate 20, and the second heat sink 30, and a first ventilation space 11 is formed between any two adjacent first heat sinks 10, and a second ventilation space 31 is formed between any two adjacent second heat sinks 30.

[0028] In this embodiment, the heat pipe 40 passes through the first heat sink 10, the substrate 20 and the second heat sink 30 in sequence, and can conduct the heat on one side of the substrate 20 to the other side of the substrate 20. A first ventilation space 11 is formed between any two adjacent first heat sinks 10, and a second ventilation space 31 is formed between any two adjacent second heat sinks 30, which can form convection heat dissipation, further improve the heat dissipation effect, and the heat dissipation effect is better when used with a fan.

[0029] Preferably, the first heat sink 10 and the second heat sink 30 in the radiator are preferably aluminum sheets, and the heat pipe 40 is preferably a copper pipe, which has a simple manufacturing process and low manufacturing cost.

[0030] In a preferred embodiment, reference may be made to Figure 3 A third ventilation space 21 is formed between the first heat sink 10 and the substrate 20 adjacent to the substrate 20, and a fourth ventilation space 22 is formed between the second heat sink 30 and the substrate 20 adjacent to the substrate 20. In this embodiment, the substrate 20 is neither completely attached to the first heat sink 10 nor to the second heat sink 30, but the third ventilation space 21 and the fourth ventilation space 22 are formed in intervals, which can further improve the effect of convection heat dissipation.

[0031] In a preferred embodiment, first bending portions 12 are provided on opposite sides of the first heat sink 10 , and second bending portions 32 are provided on opposite sides of the second heat sink 30 . Both the first bending portion 12 and the second bending portion 32 extend along the length direction of the heat pipe 40 .

[0032] In this embodiment, the first heat sink 10 includes first bent portions located at opposite sides and a main body located in the middle, and the second heat sink 30 includes second bent portions located at opposite sides and a main body located in the middle. The first bent portion 12 is provided to ensure that the main bodies of two adjacent first heat sinks 10 will not fit together, thereby stably separating the first ventilation space 11. Similarly, the second bent portion is provided to ensure that the main bodies of two adjacent second heat sinks 30 will not fit together, thereby stably separating the second ventilation space 31. Specifically, please refer to Figure 3The first bending portion 12 extends toward the substrate 20 , and the second bending portion 32 extends away from the substrate 20 .

[0033] In a preferred embodiment, in order to prevent the end surface of the substrate 20 and the main body of the second heat sink 30 from being attached together to separate a fourth ventilation space 22, the substrate 20 is further provided with an extension portion 23 on the side away from the first heat sink 10, and the extension portion 23 extends toward the second heat sink 30.

[0034] In a preferred embodiment, the first heat sink 10 and the second heat sink 30 are both provided with a first mounting hole (not shown) for mounting the heat pipe 40, and the heat pipe 40 is interference fit with the first mounting hole. The heat pipe 40 can be tightly clamped with the first heat sink 10 and the second heat sink 30 by knocking.

[0035] In a preferred embodiment, the substrate 20 is provided with a second mounting hole 24, and the second mounting hole 24 is used to fix the substrate 20 in the projector, wherein both ends of the opening of the second mounting hole 24 should avoid the first heat sink 10 and the second heat sink 30, so as to facilitate the installation of the substrate 20. Specifically, when projected along the length direction of the heat pipe 40, the projection of the second mounting hole 24 is outside the projection of the first heat sink 10, and the projection of the second mounting hole 24 is outside the projection of the second heat sink 30.

[0036] In a preferred embodiment, reference may be made to Figure 1 and Figure 2 The lengths of the first heat sink 10 and the second heat sink 30 are both smaller than the length of the substrate 20 , and the second mounting holes 24 are disposed at both ends of the substrate 20 in the length direction.

[0037] In a preferred embodiment, reference may be made to Figure 2 The plurality of heat pipes 40 are arranged at intervals along the length direction of the substrate 20 , which can make the connection between the first heat sink 10 and the second heat sink 30 more stable and further improve the efficiency of heat dissipation by conduction.

[0038] In a preferred embodiment, a projector is further provided, wherein the projector comprises the heat sink in any one of the above embodiments.

[0039] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A radiator, It is characterized in that The radiator includes a substrate, a plurality of first radiating fins arranged on one side of the substrate, a plurality of second radiating fins arranged on the other side of the substrate, and a heat pipe that sequentially passes through the first radiating fins, the substrate, and the second radiating fins; a first ventilation space is formed between any two adjacent first radiating fins, and a second ventilation space is formed between any two adjacent second radiating fins.

2. The heat sink according to claim 1, It is characterized in that A third ventilation space is formed between the first heat sink adjacent to the substrate and the substrate, and a fourth ventilation space is formed between the second heat sink adjacent to the substrate and the substrate.

3. The heat sink according to claim 2, It is characterized in that The first heat sink is provided with first bending portions on two opposite sides thereof, and the second heat sink is provided with second bending portions on two opposite sides thereof. Both the first bending portion and the second bending portion extend along the length direction of the heat conducting pipe.

4. The heat sink according to claim 3, It is characterized in that The first bending portion extends toward the substrate, and the second bending portion extends away from the substrate.

5. The heat sink according to claim 4, It is characterized in that The substrate is further provided with an extension portion on a side away from the first heat sink, and the extension portion extends toward the second heat sink.

6. The heat sink according to claim 1, It is characterized in that The first heat sink and the second heat sink are both provided with a first mounting hole for mounting the heat conducting pipe, and the heat conducting pipe is interference fit with the first mounting hole.

7. The heat sink according to claim 1, It is characterized in that The substrate is provided with a second mounting hole. Projected along the length direction of the heat pipe, the projection of the second mounting hole is outside the projection of the first heat sink, and the projection of the second mounting hole is outside the projection of the second heat sink.

8. The heat sink according to claim 7, It is characterized in that The lengths of the first heat sink and the second heat sink are both smaller than the length of the substrate, and the second mounting holes are arranged at two ends of the substrate in the length direction.

9. The radiator according to any one of claims 1 to 8, It is characterized in that The plurality of heat conducting pipes are arranged at intervals along the length direction of the substrate.

10. A projector, It is characterized in that The projector comprises the heat sink as claimed in any one of claims 1-9.

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