Projection device

Abstract

The utility model discloses projection equipment, which comprises an optical machine, a first support, a second support, a fixing plate and a plurality of radiators, the first support and the second support are fixedly connected through a support locking piece, and an accommodating cavity is formed between the first support and the second support to accommodate the optical machine. The light machine is fixedly connected with at least one of the first support and the second support, each radiator is connected with a heating device on the light machine, the plurality of radiators are fixedly connected with the fixing plate, and the fixing plate is fixedly connected with the first support and the second support. According to the projection equipment provided by the utility model, stable assembly between the plurality of radiators and the split type bracket can be realized.

Description

Technical Field

[0001] The utility model relates to the technical field of projection equipment, in particular to a projection equipment. Background Art

[0002] In recent years, projectors have become popular with users for their portability and large screen sizes, leading to a growing market penetration rate. However, the shapes and sizes of components within different projectors vary significantly, necessitating consideration of projector stability in the event of a drop. The complexity of projector components often impacts assembly efficiency and stability during pre-shipment assembly. Furthermore, with the advancement of projector technology, the internal structures of projectors have become increasingly complex, making them susceptible to structural instability issues. Utility Model Content

[0003] In order to solve the above technical problems, the present invention provides a projection device that can achieve stable assembly between multiple radiators and split brackets.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The utility model discloses a projection device, including an optical engine, a first bracket, a second bracket, a fixing plate and a plurality of radiators, wherein the first bracket and the second bracket are fixedly connected by a bracket locking member, and an accommodating cavity is formed between the first bracket and the second bracket to accommodate the optical engine, the optical engine is fixedly connected to at least one of the first bracket and the second bracket, each radiator is respectively connected to a heating device on the optical engine, and the plurality of radiators are respectively fixedly connected to the fixing plate, and the fixing plate is fixedly connected to the first bracket and the second bracket.

[0006] Preferably, the plurality of radiators are located on the same side of the first bracket and the second bracket, and the projection device includes a cooling fan, which is arranged on a side of the optical machine close to the radiator and accommodated in the accommodating cavity, wherein the cooling fan is facing the plurality of radiators.

[0007] Preferably, a first stop block and a second stop block are respectively provided on the outer sides of the first bracket and the second bracket, and the first stop block and the second stop block are surrounded to form a limiting groove, and the fixing plate is fixedly connected to the first bracket and the second bracket in the limiting groove, and the fixing plate is respectively against the first stop block and the second stop block.

[0008] Preferably, the radiators are spaced apart from each other, or adjacent radiators are connected via buffer pads.

[0009] Preferably, the fixing plate includes a first sub-fixing plate and a second sub-fixing plate, the first ends of the multiple radiators are respectively fixedly connected to the first sub-fixing plate, and the first sub-fixing plate is simultaneously fixedly connected to the first bracket and the second bracket; the second ends of the multiple radiators are respectively fixedly connected to the second sub-fixing plate, and the second sub-fixing plate is simultaneously fixedly connected to the first bracket and the second bracket.

[0010] Preferably, a first heat dissipation fixing plate and a second heat dissipation fixing plate are respectively provided at both ends of each of the radiators, the first end of each of the radiators is respectively fixedly connected to the first sub-fixed plate through the first heat dissipation fixing plate, and the second end of each of the radiators is respectively fixedly connected to the second sub-fixed plate through the second heat dissipation fixing plate.

[0011] Preferably, the plurality of radiators include a first heat dissipating fin and a second heat dissipating fin, the first heat dissipating fin is an L-shaped structure, the right-angled notch of the L-shaped structure faces away from the first bracket and the second bracket, and the second heat dissipating fin is fixed in the right-angled notch of the L-shaped structure of the first heat dissipating fin.

[0012] Preferably, the multiple radiators include a first heat dissipation fin, a second heat dissipation fin, a third heat dissipation fin and a fourth heat dissipation fin, the first heat dissipation fin and the third heat dissipation fin are respectively L-shaped structures, the first heat dissipation fin is arranged corresponding to the first bracket and the right-angled notch of the L-shaped structure of the first heat dissipation fin is facing away from the first bracket, the third heat dissipation fin is arranged corresponding to the second bracket and the right-angled notch of the L-shaped structure of the third heat dissipation fin is facing away from the second bracket, the second heat dissipation fin is fixed in the right-angled notch of the L-shaped structure of the first heat dissipation fin, the fourth heat dissipation fin is fixed in the right-angled notch of the L-shaped structure of the third heat dissipation fin, and the fin gap of the second heat dissipation fin is arranged opposite to the fin gap of the first heat dissipation fin, and the fin gap of the fourth heat dissipation fin is arranged opposite to the fin gap of the third heat dissipation fin.

[0013] Preferably, the fixing plate includes a first sub-fixing plate and a second sub-fixing plate, the first ends of the first heat dissipation fins, the third heat dissipation fins and the fourth heat dissipation fins are respectively fixedly connected to the first sub-fixing plate, and the first sub-fixing plate is fixedly connected to the first bracket and the second bracket at the same time; the second ends of the first heat dissipation fins, the third heat dissipation fins and the fourth heat dissipation fins are respectively fixedly connected to the second sub-fixing plate, and the second sub-fixing plate is fixedly connected to the first bracket and the second bracket at the same time; the first end of the second heat dissipation fin is fixedly connected to the first bracket via the third sub-fixing plate, and the second end of the second heat dissipation fin is fixedly connected to the first bracket via the fourth sub-fixing plate.

[0014] Preferably, the projection device further includes a housing, and the first bracket and the second bracket are respectively fixed on the inner wall of the housing.

[0015] Compared with the prior art, the beneficial effect of the present invention is that: in the projection device disclosed by the present invention, the first bracket and the second bracket are connected and locked with each other, the optical machine is locked on at least one of the brackets, and multiple radiators are fixed together on the fixed plate, and are fixedly connected to the first bracket and the second bracket at the same time through the fixed plate, thereby avoiding the problem that too much weight of the projection device is concentrated on a certain bracket during the falling and collision process, causing the connection between the brackets to be subjected to excessive force and broken and damaged, thereby improving the stability of the overall structure of the projection device, and also making the assembly of multiple radiators more convenient.

[0016] In a further embodiment, the present invention also has the following beneficial effects:

[0017] (1) Baffles are respectively provided on the outside of the first bracket and the second bracket to form limiting grooves, so as to provide a certain supporting force for the fixing plate and facilitate the installation of the fixing plate.

[0018] (2) The plurality of radiators include heat dissipation fins in an L-shaped structure and heat dissipation fins arranged in right-angled notches of the L-shaped structure, which can help to compress the overall volume of the plurality of radiators. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the internal structure of a projection device according to a preferred embodiment of the present invention;

[0020] Figure 2 yes Figure 1 A magnified schematic diagram of point A in the middle;

[0021] Figure 3 yes Figure 1 Exploded diagram of the projection equipment;

[0022] Figure 4 yes Figure 3 A magnified schematic diagram of point B in the middle;

[0023] Figure 5 yes Figure 1 A schematic diagram of the internal structure of the projection device from another angle;

[0024] Figure 6 yes Figure 5 Enlarged schematic diagram of point C in the middle;

[0025] Figure 7 yes Figure 1 An exploded diagram of the interior of the projection device from another angle;

[0026] Figure 8 yes Figure 7 Enlarged schematic diagram of point D in the middle.

[0027] Description of reference numerals:

[0028] 10. Optical machine;

[0029] 20. First bracket; 21. First stopper;

[0030] 30. Second bracket; 31. Second stopper;

[0031] 40. Fixing plate; 41. First sub-fixing plate; 42. Second sub-fixing plate; 43. Third sub-fixing plate; 44. Fourth sub-fixing plate;

[0032] 50. Radiator; 51. First heat sink fin; 511. First heat sink fixing plate (A); 512. First heat sink fixing plate (B); 52. Second heat sink fin; 521. Second heat sink fixing plate (A); 53. Third heat sink fin; 531. Third heat sink fixing plate (A); 532. Third heat sink fixing plate (B); 54. Fourth heat sink fin; 541. Fourth heat sink fixing plate (A); 542. Fourth heat sink fixing plate (B);

[0033] 60. Cooling fan;

[0034] 70. Bracket locking piece;

[0035] 80. Heat pipe. DETAILED DESCRIPTION

[0036] The following is a detailed description of the embodiments of the present invention. It should be emphasized that the following description is merely illustrative and is not intended to limit the scope and application of the present invention.

[0037] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element. In addition, connection can be used for both fixing and circuit / signal communication.

[0038] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of 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.

[0039] Furthermore, the terms "first", "second", etc. are used only for descriptive purposes and are not to be construed as indicating or implying relative importance or an indicated number of technical features. Thus, features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the embodiments of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly and specifically limited.

[0040] As shown in Figure 1 and Figure 2 The preferred embodiment of the present application discloses a projection device, comprising a light machine 10, a first support 20, a second support 30, a fixed plate 40 and a plurality of heat sinks 50, the first support 20 and the second support 30 are fixedly connected through a support locking piece 70, and a containing cavity is formed between the first support 20 and the second support 30 to contain the light machine 10, the light machine 10 is fixedly connected with at least one of the first support 20 and the second support 30, each heat sink 50 is connected with a heating device on the light machine 10, and the plurality of heat sinks 50 are fixedly connected with the fixed plate 40, and the fixed plate 40 is fixedly connected with the first support 20 and the second support 30.

[0041] In the present embodiment, the light machine 10 is fixedly connected with the first support 20 and the second support 30 through fasteners. The fixed plate 40 is also fixedly connected with the first support 20 and the second support 30 through fasteners. Specifically, a plurality of through holes are formed on the fixed plate 40, a plurality of assembly holes are formed on the first support 20 and the second support 30 respectively, and a plurality of fasteners pass through the through holes and are fixedly connected with the assembly holes formed on the first support 20 or the second support 30.

[0042] The plurality of heat sinks 50 are located on the same side of the first support 20 and the second support 30, in combination with Figure 3 and Figure 4 The projection device comprises a heat dissipation fan 60, which is arranged on the side of the light machine 10 close to the heat sinks 50 and contained in the containing cavity. Specifically, the heat dissipation fan 60 is fixed on the second support 30, wherein the air outlet of the heat dissipation fan 60 faces the plurality of heat sinks 50, so as to blow out the heat on the plurality of heat sinks 50 from the projection device. The heat sinks 50 are arranged at intervals, or the adjacent heat sinks 50 are connected through a buffer pad. In combination with Figure 5 and Figure 6 Each heat sink 50 is connected with a heating device on the light machine 10 through a heat conducting pipe 80, for example, each light source on the light machine 10 is connected to realize heat conduction. In addition, the projection device further comprises a shell (not shown in the figure), and the first support 20 and the second support 30 are fixed on the inner wall of the shell.

[0043] In the embodiment, the plurality of heat sinks 50 includes a first heat dissipation fin 51, a second heat dissipation fin 52, a third heat dissipation fin 53 and a fourth heat dissipation fin 54. The first heat dissipation fin 51 and the third heat dissipation fin 53 are respectively in L-shaped structure. The first heat dissipation fin 51 is arranged corresponding to the first support 20, and the right angle notch of the L-shaped structure of the first heat dissipation fin 51 faces away from the first support 20. The third heat dissipation fin 53 is arranged corresponding to the second support 30, and the right angle notch of the L-shaped structure of the third heat dissipation fin 53 faces away from the second support 30. The second heat dissipation fin 52 is fixed in the right angle notch of the L-shaped structure of the first heat dissipation fin 51. The fourth heat dissipation fin 54 is fixed in the right angle notch of the L-shaped structure of the third heat dissipation fin 53. The fin gap of the second heat dissipation fin 52 is arranged opposite to the fin gap of the first heat dissipation fin 51. The fin gap of the fourth heat dissipation fin 54 is arranged opposite to the fin gap of the third heat dissipation fin 53. In this way, the wind blown by the heat dissipation fan 60 can blow to each heat sink 50 at the same time. The first heat dissipation fin 51, the second heat dissipation fin 52, the third heat dissipation fin 53 and the fourth heat dissipation fin 54 jointly form an air outlet surface on the side away from the first support 20 and the second support 30. By arranging the first heat dissipation fin 51 and the third heat dissipation fin 53 in L-shaped structure respectively, the second heat dissipation fin 52 and the fourth heat dissipation fin 54 are respectively located in the right angle notch of the L-shaped structure, which is beneficial to compress the overall volume of the plurality of heat sinks combined together.

[0044] In combination Figure 2 , Figure 4 , Figure 6 , Figure 8 , the fixing plate 40 includes a first sub-fixing plate 41 and a second sub-fixing plate 42, like Figure 2 The first end of the first heat dissipation fin 51, the third heat dissipation fin 53 and the fourth heat dissipation fin 54 is fixedly connected with the first sub-fixing plate 41 respectively. The first sub-fixing plate 41 is fixedly connected with the first support 20 and the second support 30 by fasteners simultaneously. Figure 6 The second end of the first heat dissipation fin 51, the third heat dissipation fin 53 and the fourth heat dissipation fin 54 is fixedly connected with the second sub-fixing plate 42 respectively. The second sub-fixing plate 42 is fixedly connected with the first support 20 and the second support 30 by fasteners simultaneously. Figure 4 The first support 20 further has a third sub-fixing plate 43 and a fourth sub-fixing plate 44 fixed thereon. The first end of the second heat dissipation fin 52 is fixedly connected with the third sub-fixing plate 43, like Figure 8The second end of the second heat sink fin 52 is fixedly connected to the fourth sub-fixing plate 44, and the third sub-fixing plate 43 and the fourth sub-fixing plate 44 are respectively fixedly connected to the first bracket 20 via fasteners. In this embodiment, the first sub-fixing plate 41 and the second sub-fixing plate 42 secure the first heat sink fin 51, the third heat sink fin 53, the fourth heat sink fin 54, and the first bracket 20 and the second bracket 30, thereby not only facilitating assembly of the first heat sink fin 51, the third heat sink fin 53, and the fourth heat sink fin 54, but also strengthening the connection between the first bracket 20 and the second bracket 30. In this embodiment, to avoid the heat pipe 80, the second heat sink fin 52 is separately fixed to the first bracket 20 via the third sub-fixing plate 43 and the fourth sub-fixing plate 44. In other embodiments, the second heat sink fin 52 can also be fixedly connected to the first sub-fixing plate 41 and the second sub-fixing plate 42 at both ends, similar to the fourth heat sink fin 54, thereby simultaneously securing the first bracket 20 and the second bracket 30.

[0045] Furthermore, in one embodiment, the first heat dissipation fin 51 is provided with a first A heat dissipation fixing plate 511 and a first B heat dissipation fixing plate 512 at both ends in the length direction, the third heat dissipation fin 53 is provided with a third A heat dissipation fixing plate 531 and a third B heat dissipation fixing plate 532 at both ends in the length direction, and the fourth heat dissipation fin 54 is provided with a fourth A heat dissipation fixing plate 541 and a fourth B heat dissipation fixing plate 542 at both ends in the length direction. Figure 2 As shown, the first ends of the first heat dissipation fins 51, the third heat dissipation fins 53 and the fourth heat dissipation fins 54 are fixedly connected to the first sub-fixing plate 41 through the first A heat dissipation fixing plate 511, the third A heat dissipation fixing plate 531 and the fourth A heat dissipation fixing plate 541 respectively; Figure 6 As shown, the second ends of the first heat dissipation fins 51, the third heat dissipation fins 53 and the fourth heat dissipation fins 54 are fixedly connected to the second sub-fixing plate 42 through the first B heat dissipation fixing plate 512, the third B heat dissipation fixing plate 532 and the fourth B heat dissipation fixing plate 542 respectively. Figure 4 As shown, the first end of the second heat dissipation fin 52 is provided with a second A heat dissipation fixing plate 521 , and the first end of the second heat dissipation fin 52 is fixedly connected to the third sub-fixing plate 43 through the second A heat dissipation fixing plate 521 .

[0046] like Figure 2 and Figure 4The first and second brackets 20 and 30 are each provided with a first stopper 21 and a second stopper 31. These first and second stops 21 and 31 surround a retaining groove, in which a first sub-fixing plate 41 is fixedly connected to the first and second brackets 20 and 30, respectively. The first sub-fixing plate 41 abuts against the first and second stops 21 and 22, respectively. The provision of the first and second stops 21 and 31 provides a certain degree of support for the first sub-fixing plate 41 and facilitates its installation. Furthermore, stoppers may be provided at corresponding positions on the second, third, and fourth sub-fixing plates 42, 43, and 44, respectively.

[0047] The interior of the projection device provided in the preferred embodiment of the present invention adopts a split bracket structure, wherein the split brackets are connected and locked to each other, the optical machine 10 is locked to at least one of the brackets, and multiple radiators 50 are fixed together on the fixing plate, and are fixedly connected to the first bracket 20 and the second bracket 30 at the same time through the fixing plate, thereby avoiding the problem that too much weight of the projection device is concentrated on a certain bracket during the falling and collision process, which causes the connection between the brackets to be broken and damaged due to excessive force, improves the connection stability between the split brackets, further improves the stability of the overall structure of the projection device, and also makes the assembly of multiple radiators more convenient.

[0048] The background section of the invention may contain background information about the problem or environment of the invention, rather than describing the prior art by others. Therefore, the content included in the background section is not an admission by the applicant that the prior art is available.

[0049] The above content is a further detailed description of the present invention in conjunction with specific / preferred embodiments, and it cannot be determined that the specific implementation of the present invention is limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, without departing from the concept of the present invention, they can also make several substitutions or modifications to these described embodiments, and these substitutions or modifications should be considered to belong to the scope of protection of the present invention. In the description of this specification, the reference terms "one embodiment", "some embodiments", "preferred embodiments", "examples", "specific examples", or "some examples" and the like mean that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in an appropriate manner in any one or more embodiments or examples. In addition, those skilled in the art can combine and combine the different embodiments or examples described in this specification and the features of different embodiments or examples without contradiction. Although the embodiments of the present invention and its advantages have been described in detail, it should be understood that various changes, substitutions and alterations can be made herein without departing from the scope of the present invention as defined by the appended claims.

Claims

1. A projection device, characterized in that: The optical machine comprises an optical engine, a first bracket, a second bracket, a fixing plate and a plurality of heat sinks. The first bracket and the second bracket are fixedly connected by a bracket locking member, and a receiving cavity is formed between the first bracket and the second bracket to accommodate the optical engine. The optical engine is fixedly connected to at least one of the first bracket and the second bracket. Each heat sink is respectively connected to a heating device on the optical engine, and the plurality of heat sinks are respectively fixedly connected to the fixing plate. The fixing plate is fixedly connected to the first bracket and the second bracket.

2. The projection device according to claim 1, wherein: The multiple radiators are located on the same side of the first bracket and the second bracket, and the projection device includes a cooling fan, which is arranged on a side of the optical machine close to the radiator and accommodated in the accommodating cavity, wherein the cooling fan is facing the multiple radiators.

3. The projection device according to claim 1, wherein: A first stop block and a second stop block are respectively provided on the outer sides of the first bracket and the second bracket, and the first stop block and the second stop block are surrounded to form a limiting groove. The fixing plate is fixedly connected to the first bracket and the second bracket in the limiting groove, and the fixing plate is respectively against the first stop block and the second stop block.

4. The projection device according to claim 1, wherein: The radiators are spaced apart from each other, or adjacent radiators are connected via buffer pads.

5. The projection device according to claim 1, wherein: The fixing plate includes a first sub-fixing plate and a second sub-fixing plate, the first ends of the multiple radiators are respectively fixedly connected to the first sub-fixing plate, and the first sub-fixing plate is also fixedly connected to the first bracket and the second bracket; the second ends of the multiple radiators are respectively fixedly connected to the second sub-fixing plate, and the second sub-fixing plate is also fixedly connected to the first bracket and the second bracket.

6. The projection device according to claim 5, characterized in that A first heat dissipation fixing plate and a second heat dissipation fixing plate are respectively provided at both ends of each radiator, the first end of each radiator is fixedly connected to the first sub-fixed plate through the first heat dissipation fixing plate, and the second end of each radiator is fixedly connected to the second sub-fixed plate through the second heat dissipation fixing plate.

7. The projection device according to claim 1, wherein: The multiple heat sinks include a first heat sink fin and a second heat sink fin. The first heat sink fin is an L-shaped structure, and the right-angled notch of the L-shaped structure faces away from the first bracket and the second bracket. The second heat sink fin is fixed in the right-angled notch of the L-shaped structure of the first heat sink fin.

8. The projection device according to claim 1, wherein: The multiple radiators include a first heat dissipation fin, a second heat dissipation fin, a third heat dissipation fin and a fourth heat dissipation fin. The first heat dissipation fin and the third heat dissipation fin are respectively L-shaped structures. The first heat dissipation fin is arranged corresponding to the first bracket and the right-angled notch of the L-shaped structure of the first heat dissipation fin is facing away from the first bracket. The third heat dissipation fin is arranged corresponding to the second bracket and the right-angled notch of the L-shaped structure of the third heat dissipation fin is facing away from the second bracket. The second heat dissipation fin is fixed in the right-angled notch of the L-shaped structure of the first heat dissipation fin. The fourth heat dissipation fin is fixed in the right-angled notch of the L-shaped structure of the third heat dissipation fin. The fin gap of the second heat dissipation fin is arranged opposite to the fin gap of the first heat dissipation fin, and the fin gap of the fourth heat dissipation fin is arranged opposite to the fin gap of the third heat dissipation fin.

9. The projection device according to claim 8, characterized in that The fixing plate includes a first sub-fixing plate and a second sub-fixing plate, the first ends of the first heat dissipation fins, the third heat dissipation fins and the fourth heat dissipation fins are respectively fixedly connected to the first sub-fixing plate, and the first sub-fixing plate is also fixedly connected to the first bracket and the second bracket; the second ends of the first heat dissipation fins, the third heat dissipation fins and the fourth heat dissipation fins are respectively fixedly connected to the second sub-fixing plate, and the second sub-fixing plate is also fixedly connected to the first bracket and the second bracket; the first end of the second heat dissipation fin is fixedly connected to the first bracket via the third sub-fixing plate, and the second end of the second heat dissipation fin is fixedly connected to the first bracket via the fourth sub-fixing plate.

10. The projection device according to claim 1, wherein: It also includes a shell, and the first bracket and the second bracket are respectively fixed on the inner wall of the shell.

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