CN212873178U

CN212873178U - Double-fan LCD projector

Info

Publication number: CN212873178U
Application number: CN202022373090.2U
Authority: CN
Inventors: 蒋元俊
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-22
Filing date: 2020-10-22
Publication date: 2021-04-02
Anticipated expiration: 2030-10-22

Abstract

The utility model provides a double-fan LCD projector, which relates to the field of household appliances and comprises an equipment shell, wherein the bottom of the equipment shell is provided with a bottom mounting plate, the back of the equipment shell is provided with an encapsulation back plate, the front two sides of the equipment shell are respectively provided with a projection lens and a main air inlet in an embedded manner, the main air inlet is provided with a front heat dissipation fan at the corresponding position of the inner cavity of the equipment shell, the two sides of the surface of the encapsulation back plate are both provided with back air outlets, the back air outlet of one of the two sides is provided with a tail heat dissipation fan at the corresponding position of the inner cavity of the equipment shell, the inner cavity of the projector is provided with two groups of air cooling motors, when in work, the two groups of air cooling motors are arranged at different directions of the inner cavity, different heat dissipation air channels can be realized, the heat in the projector can be dissipated rapidly, the quick air inlet to inside carries out, optimizes the inside wind channel trend of casing, improves the radiating efficiency.

Description

Double-fan LCD projector

Technical Field

The utility model relates to a daily electric appliance field especially relates to a double fan LCD projecting apparatus.

Background

According to the dustproof heat abstractor of the projecting apparatus with patent number CN211293576U, the contents described in the patent are: the dustproof screen plate comprises a shell, the four corners department in the casing outside all is provided with L type blast pipe, and casing and L type blast pipe communicate each other, the one end that the casing was kept away from to L type blast pipe is provided with dustproof otter board, radiator fan is installed to the intermediate position department at the inside top of casing, the inboard intermediate position department of casing is provided with the liquid cooling pipe. The utility model discloses the device shelters from projecting apparatus camera lens department through the mutual cooperation of servo motor, two-way threaded rod, internal thread sleeve pipe, litter, slip sleeve pipe and dust board, prevents that in the idle process, lens department dust from adhering to, avoids causing the interference to the projection effect, influences the effect of seeing the shadow, and dust board is in the removal process simultaneously, and accessible clearance sponge layer clears up lens department; when the heat dissipation fan in the device is in the air cooling heat dissipation process, the hot air flow is discharged through the four groups of dust baffles, so that the air cooling heat dissipation effect is enhanced.

The projector heat dissipation that above-mentioned patent and current market condition adopted is still simple single fan or change modes such as inside fin installation form and adjust, but whole radiating effect is relatively poor, has seriously influenced the actual life of projector, leads to the electronic components spoilage of projector itself higher.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a double-fan LCD projector.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a double fan LCD projecting apparatus, includes the equipment casing, the bottom of equipment casing is equipped with the bottom mounting panel, the bottom of bottom mounting panel is close to the positive vertical gomphosis of equipment casing and has adjust knob once, the surperficial gomphosis of bottom mounting panel has built-in audio amplifier, the back of equipment casing is equipped with the encapsulation backplate, projecting lens and main air inlet are installed to the positive both sides difference gomphosis of equipment casing, main air inlet corresponds the position at the inner chamber of equipment casing and installs front heat dissipation fan, the back gas outlet has all been seted up to the surperficial both sides of encapsulation backplate, one of both sides the back gas outlet corresponds the position at the inner chamber of equipment casing and is equipped with afterbody heat dissipation fan, the top surface of equipment casing is close to the back and is equipped with the surface handle, one side of.

Preferably, the surface of the inner cavity of the equipment shell at the bottom mounting plate is fixedly provided with a mounting circuit board in a bolted mode, the side face of the inner cavity of the equipment shell is fixedly provided with a radiating fin plate in a bolted mode, and the vertical surface position of the mounting circuit board and the side wall position of the inner cavity of the equipment shell are embedded with I/O interfaces.

Preferably, the tail part of the projection lens is obliquely provided with a light guide element at a position corresponding to the inner cavity of the device shell, and the bottom of the light guide element is electrically connected with the mounting circuit board.

Preferably, the installation position of the tail heat dissipation fan comprises the upper and lower sides, the left and right sides and the back side of an inner cavity of the equipment shell, and the air inlet direction between the tail heat dissipation fan and the front heat dissipation fan comprises the same-direction air inlet and the mutually reverse air inlet.

Preferably, stainless steel dust screens are embedded on the surfaces of the side dust screen, the main air inlet and the back air outlet, and the mesh number of the dust screens on the surfaces of the side dust screen, the main air inlet and the back air outlet comprises all mesh number grades of 60-250 meshes.

Preferably, the light guide element and the mounting circuit board are connected through a PCI-E interface to supply power, and the light guide element adopts an LCD backlight source.

Advantageous effects

The utility model discloses in, be provided with two sets of air-cooled motors at the inner chamber of projecting apparatus, in work, install two sets of air-cooled motors in the position of the difference of inner chamber, can realize different heat dissipation wind channels to quick heat to projecting apparatus inside carries out the loss, improves the life of projecting apparatus.

The utility model discloses in, kept original natural air-cooled heat dissipation fin, can be when the fan of the different mounted position of change, quick carries out the air inlet to inside, optimizes the inside wind channel trend of casing, improves the radiating efficiency.

Drawings

FIG. 1 is a main block diagram of a dual fan LCD projector;

FIG. 2 is a rear perspective view of a dual fan LCD projector;

FIG. 3 is an internal structural view of a dual fan LCD projector;

fig. 4 is an internal perspective view of a dual-fan LCD projector.

Illustration of the drawings:

1. an equipment housing; 2. a surface grip; 3. i \ O interface; 4. a bottom mounting plate; 5. a side dust screen; 6. a primary air inlet; 7. adjusting a knob; 8. a projection lens; 9. a control panel; 10. a back air outlet; 11. packaging the back plate; 12. a built-in sound box; 13. a light guide element; 14. a tail heat dissipation fan; 15. a front heat radiation fan; 16. a heat dissipating fin; 17. and installing the circuit board.

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 dual-fan LCD projector includes an apparatus housing 1, a bottom mounting plate 4 is disposed at the bottom of the apparatus housing 1, a back plate 11 is disposed at the back of the apparatus housing 1, a projection lens 8 and a main air inlet 6 are respectively mounted at two sides of the front of the apparatus housing 1 in an embedded manner, a front heat dissipation fan 15 is mounted at a position corresponding to an inner cavity of the apparatus housing 1 at the main air inlet 6, back air outlets 10 are respectively disposed at two sides of the surface of the back plate 11, stainless steel dust screens are respectively mounted at surfaces of a side dust screen 5, the main air inlet 6 and the back air outlets 10 in an embedded manner, the dust screens on the surfaces of the side dust screen 5, the main air inlet 6 and the back air outlets 10 include all mesh levels between 60 and 250 meshes, a tail heat dissipation fan 14 is disposed at a position corresponding to the inner cavity of the apparatus housing 1 at one of the back air outlets 10 at two sides, left, right and back, and the air intake direction between the rear heat dissipation fan 14 and the front heat dissipation fan 15 includes the same direction air intake and the opposite direction air intake.

The surface of the inner cavity of the equipment shell 1 at the bottom mounting plate 4 is fixedly provided with a mounting circuit board 17 in a bolted connection mode, the vertical position of the surface of the mounting circuit board 17 and the side wall position of the inner cavity of the equipment shell 1 are embedded with I \ O interfaces 3, the tail part of the projection lens 8 is obliquely provided with a light guide element 13 at the position corresponding to the inner cavity of the equipment shell 1, the bottom of the light guide element 13 is electrically connected with the mounting circuit board 17, the light guide element 13 and the mounting circuit board 17 are connected through PCI-E interfaces for power supply, and the light guide element 13 adopts an LCD backlight source.

In the work, form the wind channel between afterbody heat dissipation fan 14 and the front heat dissipation fan 15 to quick heat with light guide element 13 work production blows out, realizes quick cooling, and simultaneously in the quick loss of air, the outside side dust screen 5 of heat dissipation fin 16 also has the normal atmospheric temperature air admission, thereby further dispels the heat to equipment casing 1 inside, improves the radiating efficiency.

Example two:

the rear heat dissipation fan 14 is installed on one of two sides of the equipment shell 1, the front heat dissipation fan 15 is installed on the front side of the equipment shell 1 close to the position of the projection lens 8, meanwhile, the wind directions of the rear heat dissipation fan 14 and the front heat dissipation fan 15 are adjusted to be in the same direction, air is discharged in the same direction, an air channel is formed between the rear heat dissipation fan 14 and the front heat dissipation fan 15, and therefore heat generated by the work of the light guide element 13 in the equipment is dissipated;

when the air inlet direction of the tail heat dissipation fan 14 and the front heat dissipation fan 15 is changed into the air blowing from the inside to the outside of the equipment shell 1, the gas can enter from the side dust screen 5 and pass through the heat dissipation fin 16, so that the double air channels between the side dust screen 5 and the tail heat dissipation fan 14 and between the side dust screen 5 and the front heat dissipation fan 15 are realized, and the heat dissipation in the equipment shell 1 can be realized.

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 double fan LCD projecting apparatus, includes equipment casing (1) and side dust screen (5), the bottom of equipment casing (1) is equipped with bottom mounting panel (4), the bottom of bottom mounting panel (4) is close to equipment casing (1) and openly once vertical gomphosis has adjust knob (7), the surface gomphosis of bottom mounting panel (4) has built-in audio amplifier (12), the back of equipment casing (1) is equipped with encapsulation backplate (11), its characterized in that: projection lens (8) and main air inlet (6) are installed to the positive both sides difference gomphosis of equipment casing (1), main air inlet (6) correspond the position at the inner chamber of equipment casing (1) and install front heat dissipation fan (15), back gas outlet (10) have all been seted up to the surface both sides of encapsulation backplate (11), one of both sides back gas outlet (10) correspond the position at the inner chamber of equipment casing (1) and are equipped with afterbody heat dissipation fan (14), the top surface of equipment casing (1) is close to the back and is equipped with surperficial handle (2), one side of surperficial handle (2) has control panel (9) at the surperficial gomphosis of equipment casing (1).

2. A dual fan LCD projector as claimed in claim 1, wherein: the surface bolt fixed mounting of the inner chamber of the equipment shell (1) at the bottom mounting plate (4) is provided with a mounting circuit board (17), the bolt at the side of the inner chamber of the equipment shell (1) is fixed with a heat radiation fin plate (16), and the surface vertical position of the mounting circuit board (17) and the inner chamber side wall position of the equipment shell (1) are embedded with an I/O interface (3).

3. A dual fan LCD projector as claimed in claim 2, wherein: the tail part of the projection lens (8) is obliquely provided with a light guide element (13) at a position corresponding to the inner cavity of the equipment shell (1), and the bottom of the light guide element (13) is electrically connected with the installation circuit board (17).

4. A dual fan LCD projector as claimed in claim 1, wherein: the mounting position of afterbody heat dissipation fan (14) includes about, about and the back of the inner chamber of equipment casing (1), and the air inlet direction between afterbody heat dissipation fan (14) and front heat dissipation fan (15) includes syntropy air inlet and mutual reverse air inlet.

5. A dual fan LCD projector as claimed in claim 1, wherein: stainless steel dust screens are embedded on the surfaces of the side dust screen (5), the main air inlet (6) and the back air outlet (10), and the adopted mesh number of the dust screens on the surfaces of the side dust screen (5), the main air inlet (6) and the back air outlet (10) comprises all mesh number grades between 60 and 250 meshes.

6. A dual fan LCD projector as claimed in claim 3, wherein: the light guide element (13) and the mounting circuit board (17) are connected through a PCI-E interface for power supply, and the light guide element (13) adopts an LCD backlight source.