CN214704281U

CN214704281U - Dustproof projection subassembly of heat dissipation

Info

Publication number: CN214704281U
Application number: CN202120534963.5U
Authority: CN
Inventors: 蒋元俊; 朱高峰
Original assignee: Shenzhen Amexun Electronics Co ltd
Current assignee: Shenzhen Amexun Electronics Co ltd
Priority date: 2021-03-15
Filing date: 2021-03-15
Publication date: 2021-11-12
Anticipated expiration: 2031-03-15

Abstract

The utility model provides a heat-dissipation dustproof projection assembly, which relates to the technical field of projection assemblies and comprises a bearing bottom plate, a master control device and a light source lens, wherein support plates are arranged around the top surface of the bearing bottom plate, the top surface of the bearing bottom plate is provided with a first baffle plate, one side of the first baffle plate is provided with a triangular baffle plate, the right-angle side of the triangular baffle plate is parallel to the first baffle plate, the end of the triangular baffle plate is provided with a second baffle plate, the end part of the second baffle plate is provided with a second spacing clamp groove, the end part of the first baffle plate is provided with a first spacing clamp groove, the first spacing clamp groove is parallel to the second spacing clamp groove, the back surface of the support plate is provided with heat-dissipation fins, the side surface of the support plate is provided with the light source lens, the light source lens is positioned at the inner side of the support plate, hot air sequentially passes through the first baffle plate and the triangular baffle plate, the first spacing clamp groove and the second spacing clamp groove, the second spacing clamp groove and the third spacing clamp groove, the triangular baffle plate, the side surface and the heat-dissipation fins, and the sealed type rapid heat dissipation is carried out, so that dust is prevented from entering, the heat dissipation rate is increased, and the stable operation of the projection assembly is kept.

Description

Dustproof projection subassembly of heat dissipation

Technical Field

The utility model relates to a projection subassembly technical field especially relates to a dustproof projection subassembly of heat dissipation.

Background

A projector, also called a projector, is a device that can project images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals. Projectors are widely used in homes, offices, schools and entertainment places at present, and have different types such as CRT, LCD and DLP according to different working modes.

The projecting lamp of current projecting apparatus exposes outside always, has increased the probability of dust adhesion on the projecting lamp, influences the projection effect of projecting lamp, moreover, current projecting apparatus is carrying out projection during operation, and the main part is inside to produce more heat easily, if untimely distributes away of heat, influences the normal work of the inside electronic component of main part easily, has reduced the practicality of projecting apparatus.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcomings existing in the prior art and providing a dustproof projection subassembly of heat dissipation.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a dustproof projection subassembly of heat dissipation, includes bearing bottom plate, controlling means and light source lens, the bearing bottom plate top surface all is fixed all around and is equipped with the backup pad, the fixed first baffle that is equipped with of bearing bottom plate top surface, first baffle one side is equipped with the triangle baffle, and triangle baffle right-angle side is parallel with first baffle, the fixed second baffle that is equipped with of hypotenuse one end of triangle baffle, second baffle tip is equipped with the spacing double-layered groove of second, first baffle tip is equipped with first spacing double-layered groove, first spacing double-layered groove is parallel with the spacing double-layered groove of second, the backup pad back is equipped with heat radiation fins, one side that the backup pad side is close to the back is equipped with light source lens, and light source lens is located the backup pad inboard.

Preferably, third limiting clamp grooves are formed in two sides of the front face of the supporting plate, the third limiting clamp grooves are parallel to the second limiting clamp grooves and the first limiting clamp grooves, a front Fresnel lens is clamped inside the first limiting clamp grooves, an LCD screen is arranged between the inner portions of the second limiting clamp grooves, a rear Fresnel lens is arranged between the third limiting clamp grooves, and the LCD screen is located between the front Fresnel lens and the rear Fresnel lens.

Preferably, a second placing groove is formed in the side face, close to the back face, of the supporting plate, the light source lens is fixedly clamped with the second placing groove, a first placing groove is formed in one side, far away from the light source lens, of the back face of the supporting plate, and the heat dissipation fins are fixedly clamped with the first placing groove.

Preferably, the side of the first partition plate close to the triangular partition plate is fixedly provided with a heat dissipation air set, one end of the heat dissipation air set abuts against the right-angle end of the triangular partition plate, the side of the first partition plate far away from the heat dissipation air set is fixedly provided with a reflector in a bonding manner, and the reflector is a holophote.

Preferably, the front surface of the supporting plate is provided with a triangular box, the edges of two sides of the triangular box are fixedly connected with a third limiting clamping groove, the top surface of the triangular box is fixedly bonded with a shading mirror, and one side of the triangular box, far away from the supporting plate, is fixedly connected with a main control device.

Preferably, hot air generated by the light source lens is radiated sequentially through the space between the first partition plate and the triangular partition plate, the space between the first limiting clamp groove and the second limiting clamp groove, the space between the second limiting clamp groove and the third limiting clamp groove, the space between the second partition plate and the side face of the supporting plate, the space between the triangular partition plate and the side face of the supporting plate and the radiating fins.

Preferably, the light source path projected by the control device sequentially passes through the triangular box, the rear Fresnel lens, the LCD screen, the front Fresnel lens, the reflector and the light source lens.

Advantageous effects

The utility model discloses in, loop through between first baffle and the triangle baffle when making the hot-air heat dissipation, between first spacing clamp groove and the spacing clamp groove of second, between spacing clamp groove of second and the spacing clamp groove of third, between triangle baffle and the backup pad side with heat radiation fins, the loop forms, carries out the sealed quick heat dissipation, the entering of external dust when preventing the heat dissipation increases rate of heat dissipation, keeps projection subassembly steady operation.

Drawings

FIG. 1 is a schematic perspective view of a heat-dissipating and dust-proof projection module;

FIG. 2 is a top plan view of a heat dissipating, dust proof projection assembly;

FIG. 3 is a rear view of a heat-dissipating, dust-proof projection module;

fig. 4 is a path diagram of an air duct of a heat dissipation dustproof projection assembly.

Illustration of the drawings:

1. a front Fresnel lens; 2. a rear Fresnel lens; 3. an LCD screen; 4. a load-bearing floor; 5. heat dissipation fins; 6. a first placing groove; 7. a heat radiation air group; 8. a light source lens; 9. a second placing groove; 10. a first separator; 11. a second separator; 12. a triangular partition plate; 13. a first limiting clamp groove; 14. a triangular box; 15. a second limiting clamp groove; 16. a light shielding lens; 17. a master control device; 18. a reflective mirror; 19. a third limiting clamp groove; 20. and a support plate.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-4, a heat-dissipating and dust-preventing projection assembly includes a load-bearing bottom plate 4, a main control device 17 and a light source lens 8, wherein support plates 20 are fixedly disposed around the top surface of the load-bearing bottom plate 4, a first partition plate 10 is fixedly disposed on the top surface of the load-bearing bottom plate 4, a triangular partition plate 12 is disposed on one side of the first partition plate 10, a right-angled edge of the triangular partition plate 12 is parallel to the first partition plate 10, a second partition plate 11 is fixedly disposed at one end of a beveled edge of the triangular partition plate 12, a second spacing clamping groove 15 is disposed at an end portion of the second partition plate 11, a first spacing clamping groove 13 is disposed at an end portion of the first partition plate 10, the first spacing clamping groove 13 is parallel to the second spacing clamping groove 15, heat-dissipating fins 5 are disposed on the back surface of the support plate 20, the light source lens 8 is disposed on one side of the side surface of the support plate 20, and the light source lens 8 is disposed inside the support plate 20, and hot air sequentially passes through the space between the first partition plate 10 and the triangular partition plate 12 when dissipating heat, between first spacing double-layered groove 13 and second spacing double-layered groove 15, between second spacing double-layered groove 15 and third spacing double-layered groove 19, between triangle baffle 12 and the backup pad 20 side and heat radiation fins 5, form the loop, carry out sealed quick heat dissipation, prevent the entering of external dust during the heat dissipation, increase the rate of heat dissipation, keep projection module steady operation, backup pad 20 openly both sides are equipped with third spacing double-layered groove 19, third spacing double-layered groove 19 is parallel to each other with second spacing double-layered groove 15 and first spacing double-layered groove 13, the inside block of first spacing double-layered groove 13 is equipped with preceding fresnel lens 1, be equipped with LCD screen 3 between the inside of second spacing double-layered groove 15, be equipped with back fresnel lens 2 between third spacing double-layered groove 19, LCD screen 3 is located between preceding fresnel lens 1 and back fresnel lens 2, through making preceding fresnel lens 1, LCD screen 3 and back fresnel lens 2 are parallel to each other, make the image that comes from the back of back fresnel lens 2 can carry out the completion of image maximum degree through parallel light And (4) perspective, and image display is performed.

The side surface of the support plate 20 close to the back surface is provided with a second placing groove 9, the light source lens 8 is fixedly clamped with the second placing groove 9, the side surface of the back surface of the support plate 20 far away from the light source lens 8 is provided with a first placing groove 6, the heat dissipation fins 5 are fixedly clamped with the first placing groove 6, the back surface of the support plate 20 is fixed on the heat dissipation fins 5 through the first placing groove 6, the operation stability of the heat dissipation fins 5 is kept, the light source lens 8 is fixed through the second placing groove 9, the stability of the light source lens 8 is kept, the projection of the light source lens 8 is more stable, the side surface of the first partition plate 10 close to the triangular partition plate 12 is fixedly provided with a heat dissipation air group 7, one end of the heat dissipation air group 7 is abutted against the right-angle end of the triangular partition plate 12, the side surface of the first partition plate 10 far away from the heat dissipation air group 7 is fixedly provided with a reflector 18, the reflector 18 is a holophote, the heat dissipation air group 7 accelerates the heat dissipation of the heat dissipation fins 5, the heat dissipation efficiency is improved, the image can be completely displayed conveniently through the totally reflecting mirror 18, the triangular box 14 is arranged on the front face of the support plate 20, the two side edges of the triangular box 14 are fixedly connected with the third limiting clamp groove 19, the top face of the triangular box 14 is fixedly provided with the shading mirror 16 in an adhering manner, one side of the triangular box 14 far away from the support plate 20 is fixedly connected with the main control device 17, hot air generated by the light source lens 8 is sequentially arranged between the first partition plate 10 and the triangular partition plate 12 during heat dissipation, between the first limiting clamp groove 13 and the second limiting clamp groove 15, between the second limiting clamp groove 15 and the third limiting clamp groove 19, between the second partition plate 11 and the side face of the support plate 20, between the triangular partition plate 12 and the side face of the support plate 20 and the heat dissipation fins 5, a light source path projected by the main control device 17 sequentially passes through the triangular box 14, the rear lens Fresnel 2, the LCD screen 3, the front Fresnel lens 1, the reflecting mirror 18 and the light source lens 8, the influence of external light is prevented by the shutter 16.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a dustproof projection subassembly of heat dissipation, includes bearing bottom plate (4), master control set (17) and light source lens (8), its characterized in that: all fixed backup pad (20) that are equipped with all around bearing bottom plate (4) top surface, bearing bottom plate (4) top surface is fixed and is equipped with first baffle (10), first baffle (10) one side is equipped with triangle baffle (12), and triangle baffle (12) right angle limit is parallel with first baffle (10), the hypotenuse one end of triangle baffle (12) is fixed and is equipped with second baffle (11), second baffle (11) tip is equipped with the spacing groove (15) of pressing from both sides of second, first baffle (10) tip is equipped with first spacing groove (13) of pressing from both sides, first spacing groove (13) are parallel with the spacing groove (15) of pressing from both sides of second, backup pad (20) back is equipped with heat radiation fins (5), one side that backup pad (20) side is close to the back is equipped with light source lens (8), and light source lens (8) lens are located backup pad (20) inboard.

2. The heat-dissipating, dust-proof projection assembly of claim 1, wherein: the solar cell panel is characterized in that third limiting clamp grooves (19) are formed in two sides of the front face of the supporting plate (20), the third limiting clamp grooves (19) are parallel to the second limiting clamp grooves (15) and the first limiting clamp grooves (13), the front Fresnel lens (1) is clamped inside the first limiting clamp grooves (13), an LCD screen (3) is arranged between the inside of the second limiting clamp grooves (15), a rear Fresnel lens (2) is arranged between the third limiting clamp grooves (19), and the LCD screen (3) is located between the front Fresnel lens (1) and the rear Fresnel lens (2).

3. The heat-dissipating, dust-proof projection assembly of claim 1, wherein: the side face of the supporting plate (20) close to the back face is provided with a second placing groove (9), the light source lens (8) is fixedly clamped with the second placing groove (9), one side of the back face of the supporting plate (20) far away from the light source lens (8) is provided with a first placing groove (6), and the heat dissipation fins (5) are fixedly clamped with the first placing groove (6).

4. The heat-dissipating, dust-proof projection assembly of claim 1, wherein: the side face, close to the triangular partition plate (12), of the first partition plate (10) is fixedly provided with a radiating air group (7), one end of the radiating air group (7) is abutted against the right-angle end of the triangular partition plate (12), the side face, far away from the radiating air group (7), of the first partition plate (10) is fixedly provided with a reflector (18) in a bonding mode, and the reflector (18) is a holophote.

5. The heat-dissipating, dust-proof projection assembly of claim 2, wherein: the supporting plate (20) is openly equipped with triangular box (14), triangular box (14) both sides edge and third spacing clamp groove (19) fixed connection, triangular box (14) top surface bonding is fixed and is equipped with lens (16), one side and master control unit (17) fixed connection that supporting plate (20) were kept away from to triangular box (14).

6. The heat-dissipating, dust-proof projection assembly of claim 1, wherein: the heat dissipation device is characterized in that hot air generated by the light source lens (8) sequentially passes through the space between the first partition plate (10) and the triangular partition plate (12), the space between the first limiting clamp groove (13) and the second limiting clamp groove (15), the space between the second limiting clamp groove (15) and the third limiting clamp groove (19), the space between the second partition plate (11) and the side face of the support plate (20), the space between the triangular partition plate (12) and the side face of the support plate (20) and the heat dissipation fins (5) during heat dissipation.

7. The heat-dissipating, dust-proof projection assembly of claim 5, wherein: the light source path projected by the main control device (17) sequentially passes through the triangular box (14), the rear Fresnel lens (2), the LCD screen (3), the front Fresnel lens (1), the reflective mirror (18) and the light source lens (8).