CN215340667U

CN215340667U - Low-noise projector heat dissipation device

Info

Publication number: CN215340667U
Application number: CN202121752927.2U
Authority: CN
Inventors: 狄元浩
Original assignee: Dees Optoelectronic Technology Suzhou Co ltd
Current assignee: Dees Optoelectronic Technology Suzhou Co ltd
Priority date: 2021-07-29
Filing date: 2021-07-29
Publication date: 2021-12-28
Anticipated expiration: 2031-07-29

Abstract

The utility model discloses a low-noise projector heat dissipation device, which belongs to the technical field of projector heat dissipation, and comprises a projection box, wherein a fixed rod is fixedly connected to the top center shaft of the projection box, a plurality of heat dissipation grooves are respectively formed in the outer walls of the left side and the right side of the projection box, a projection lens is arranged on the outer wall of the front face of the projection box, an ash baffle is arranged right above the projection lens, and the ash baffle is fixedly connected with the outer wall of the front face of the projection box. Inside that the gas in the air can enter into the projection box from the radiating groove, the entering of air current can the arc deep bead drive friction lever at the outer surface friction of arc elastic baffle, can make arc elastic baffle produce static under the effect of friction to utilize this characteristic of static can be adsorbed dust, and then can adsorb the dust in getting into the inside gas of projection box, so that a large amount of dust enter into the inside and influence the device's use of projection box.

Description

Low-noise projector heat dissipation device

Technical Field

The utility model relates to the technical field of projector heat dissipation, in particular to a low-noise projector heat dissipation device.

Background

The in-process that the projecting apparatus was using, carry out projection work through the bulb of hi-lite, most of the light energy of effectively not utilizing in the light source becomes the heat, thereby make the inside high temperature that becomes of projecting apparatus, consequently, must dispel the heat to projecting apparatus inside, under this condition, adopt the heat dissipation fan to carry out convulsions cooling to projecting apparatus inside usually, will be about to through the inside high heat air pumping of fan heat with projecting apparatus to the exterior space, but when radiator fan high-speed operation, except the operation sound that the motor sent, the noise can all be produced to the wind sound that the fan blade produced and the air-out of fast flow, influence the use experience.

However, if the heat dissipation holes are formed in the projector, the projector is easily damaged by a large amount of dust in the air entering the inside of the projection box along with the air when the heat dissipation holes are subjected to heat dissipation treatment.

SUMMERY OF THE UTILITY MODEL

In view of the above technical deficiencies, an object of the present invention is to provide a low-noise heat dissipation device for a projector, which solves the problem that a large amount of dust enters the projector to affect the use of the projector when the projector is cooled.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a low-noise projector heat dissipation device which comprises a projection box, wherein a fixed rod is fixedly connected to a central shaft at the top of the projection box, a plurality of heat dissipation grooves are respectively formed in the outer walls of the left side and the right side of the projection box, a projection lens is arranged on the outer wall of the front side of the projection box, an ash baffle is arranged right above the projection lens and fixedly connected with the outer wall of the front side of the projection box, and a plurality of ventilation holes are formed in the outer wall of one side, far away from the projection lens, of the projection box.

Preferably, the left side and the right side of the inside of the projection box are respectively provided with an arc elastic baffle, the front side wall and the rear side wall of each arc elastic baffle are respectively fixedly connected with the inner walls of the front side wall and the rear side wall of the projection box, the insides of the two arc elastic baffles are respectively hollowed out, and one side of each arc elastic baffle, which faces the side wall of the projection box, is respectively provided with a sliding groove.

Preferably, two friction rods are respectively arranged on one side, facing the side wall of the projection box, of each of the two arc-shaped elastic baffles, the two friction rods are respectively arranged on the left and right sides of one side, facing the side wall of the projection box, of each of the two arc-shaped elastic baffles, the two friction rods are respectively arranged in contact with the outer surface of each of the arc-shaped elastic baffles, and arc-shaped wind shields are respectively and fixedly connected to the two friction rods.

Preferably, two the arc deep bead sets up respectively in the both sides of radiating groove, two one side surface difference fixedly connected with connecting rod that the arc deep bead was kept away from to the friction lever, two the connecting rod slides respectively and sets up in the inside of spout and extends to the inside of arc elastic baffle, two the extension difference fixedly connected with elastic rod of connecting rod, two the one end that the connecting rod was kept away from to the elastic rod is respectively with projection box's front and back lateral wall fixed connection.

Preferably, two air inlets are respectively formed in the left side and the right side of each of the two arc-shaped elastic baffles, blocking pieces are slidably arranged in the air inlets, an elastic extrusion rod is arranged between the blocking pieces on the two sides, the left end and the right end of the elastic extrusion rod are respectively fixedly connected with the outer surfaces of the blocking pieces on the two sides, a spring is fixedly connected to the outer surface of the middle shaft of the elastic extrusion rod, and one end, away from the elastic extrusion rod, of the spring is fixedly connected with the inner wall of the projection box.

Preferably, the left side and the right side of the outer surface of the elastic extrusion rod on the rear side are respectively and fixedly connected with an arc-shaped auxiliary rod, two ends of the arc-shaped auxiliary rod are respectively and fixedly connected with the outer surfaces of the elastic extrusion rods on the upper side and the lower side, the outer surfaces of the middle shafts of the two arc-shaped auxiliary rods are respectively and fixedly connected with a connecting moving rod, one sides of the two connecting moving rods, which are far away from the arc-shaped auxiliary rod, are respectively and fixedly connected with air exchange baffles, and the two air exchange baffles are respectively and slidably arranged inside the two air exchange holes.

The utility model has the beneficial effects that:

(1) the inside that the gas in the air can enter into the projection box from the radiating groove, the entering of air current can the arc deep bead drive friction lever at the outer surface friction of arc elastic baffle, can make arc elastic baffle produce static under frictional effect to utilize this characteristic of static can absorption dust, and then can adsorb the dust in getting into the inside gas of projection box, so that a large amount of dusts enter into the inside and influence the device's use of projection box.

(2) The inside air current of entering into projection box can take place to remove along arc elastic baffle, and then can make the separation blade shift out the inlet port under the impetus of air current, the inside that makes clean gas enter into projection box carries out the heat dissipation processing to it, and simultaneously, when the separation blade of both sides takes place to remove, can lead to the fact the extrusion to the elastic extrusion pole, can make the elastic extrusion pole take place to warp under the effect of extrusion force, and then can make the baffle of taking a breath move out the scavenge hole under the effect of arc auxiliary rod and connection carriage release lever, and then realize the mesh of taking a breath, reach better radiating effect.

(3) Due to the arrangement of the device, when the ventilation baffle plate moves out of the ventilation hole, the air flow in the device can be blown outwards, so that the effect of blocking the dust in the external air is achieved, and the phenomenon that a large amount of dust enters the projection box from the ventilation hole to affect the use of the device can be effectively prevented under the effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a sectional view of the overall structure of the present invention.

Fig. 3 is a schematic view of the overall structure of the arc-shaped elastic baffle plate of the utility model.

Fig. 4 is a schematic view of the overall structure of the elastic pressing rod.

Description of reference numerals: 1-projection box, 11-fixed rod, 12-heat dissipation groove, 13-projection lens, 14-dust baffle, 15-ventilation hole, 2-arc elastic baffle, 21-sliding groove, 3-friction rod, 31-arc wind baffle, 32-connecting rod, 33-elastic rod, 4-air inlet hole, 41-baffle, 42-elastic extrusion rod, 43-spring, 5-arc auxiliary rod, 51-connecting movable rod and 52-ventilation baffle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): as shown in fig. 1-4, the utility model provides a low-noise projector heat dissipation device, which comprises a projection box 1, wherein the purpose of the setting is to protect a circuit conveniently, a fixed rod 11 is fixedly connected to a top center shaft of the projection box 1, the purpose of the setting is to facilitate the setting of the fixed rod 11, a plurality of heat dissipation grooves 12 are respectively arranged on outer walls of left and right sides of the projection box 1, the purpose of the setting is to facilitate heat dissipation, a projection lens 13 is arranged on an outer wall of a front face of the projection box 1, the purpose of the setting is to facilitate projection, an ash blocking plate 14 is arranged right above the projection lens 13, the purpose of the setting is to facilitate ash blocking, the ash blocking plate 14 is fixedly connected with the outer wall of the front face of the projection box 1, the purpose of the setting is to facilitate the fixation of the ash blocking plate 14, a plurality of ventilation holes 15 are arranged on an outer wall of one side of the projection box 1, which is far away from the projection lens 13, this is provided for the purpose of facilitating ventilation.

Further, the left and right sides of 1 inside of projection box is provided with arc elastic baffle 2 respectively, the purpose that sets up like this is for the convenience of setting up arc elastic baffle 2, two arc elastic baffle 2's front and back both sides wall respectively with projection box 1's front and back both sides inner wall fixed connection, the purpose that sets up like this is for the convenience of fixing arc elastic baffle 2, the setting is dug empty respectively to the inside of two arc elastic baffle 2, the purpose that sets up like this is for the convenience of setting up elastic rod 33, spout 21 has been seted up respectively to one side that two arc elastic baffle 2 are facing 1 lateral wall of projection box, the purpose that sets up like this is for the convenience of the removal of friction lever 3.

Further, two arc elastic baffle 2 are facing one side of projection box lateral wall and are provided with two friction lever 3 respectively, the purpose that sets up like this is for the convenience of setting up friction lever 3, two friction lever 3 set up about one side that arc elastic baffle 2 is facing the projection box lateral wall respectively, the purpose that sets up like this is for the convenience of carrying on spacingly to friction lever 3, two friction lever 3 set up with the surface contact of arc elastic baffle 2 respectively, the purpose that sets up like this is for the convenience of rubbing lever 3 rubs arc elastic baffle 2, respectively fixedly connected with arc deep bead 31 on two friction lever 3, the purpose that sets up like this is for the convenience of setting up arc deep bead 31.

Further, two arc deep bead 31 set up the both sides at heat dissipation groove 12 respectively, the purpose that sets up like this is in order to make things convenient for the thrust that utilizes the air current, arc deep bead 31 is kept away from to two friction levers 3 one side surface difference fixedly connected with connecting rod 32, the purpose that sets up like this is in order to set up connecting rod 32, two connecting rods 32 slide respectively and set up in the inside of spout 21 and extend to the inside of arc elastic baffle 2, the purpose that sets up like this is in order to make things convenient for the removal of connecting rod 32, the extension of two connecting rods 32 is fixedly connected with elastic rod 33 respectively, the purpose that sets up like this is in order to set up elastic rod 33 for the convenience, the one end that connecting rod 32 was kept away from to two elastic rod 33 is in order to carry out spacing fixed to elastic rod 33 like this.

Furthermore, the left side and the right side of the two arc-shaped elastic baffles 2 are respectively provided with two air inlet holes 4, the purpose of this is to facilitate the intake of air, the inside of the intake vent 4 is slidingly provided with a flap 41, this is for the purpose of facilitating the arrangement of the flaps 41, and the resilient pressing rods 42 are provided between the flaps 41 on both sides, the purpose of this arrangement is to facilitate the arrangement of the elastic pressing rod 42, the left and right ends of the elastic pressing rod 42 are respectively fixedly connected with the outer surfaces of the blocking pieces 41 at the two sides, the purpose of this arrangement is to limit the position of the elastic pressing rod 42, the spring 43 is fixedly connected to the outer surface of the middle shaft of the elastic pressing rod 42, the purpose of this is to facilitate the arrangement of the spring 43, and the end of the spring 43 away from the elastic pressing rod 42 is fixedly connected with the inner wall of the projection box 1, and this is to facilitate the fixation of the spring 43.

Furthermore, the left and right sides of the outer surface of the rear side elastic extrusion rod 42 are respectively and fixedly connected with an arc-shaped auxiliary rod 5, the purpose of this arrangement is to facilitate the arrangement of the arc auxiliary rod 5, both ends of the arc auxiliary rod 5 are fixedly connected with the outer surfaces of the upper and lower elastic extrusion rods 42 respectively, the purpose of this arrangement is to fix the arc auxiliary rods 5, the outer surfaces of the middle shafts of the two arc auxiliary rods 5 are respectively fixedly connected with a connecting movable rod 51, the purpose of this arrangement is to facilitate the arrangement of the connecting moving rods 51, and the sides of the two connecting moving rods 51 away from the arc-shaped auxiliary rod 5 are fixedly connected with the ventilation baffle plates 52 respectively, this is for the purpose of facilitating the installation of the ventilation flap 52, and the two ventilation flaps 52 are slidably installed inside the two ventilation holes 15, respectively, and this is for the purpose of facilitating the movement of the ventilation flaps 52.

The working principle is as follows:

when the projector is used, gas in the air enters the projection box 1 from the heat dissipation groove 12, the arc wind shield 31 drives the friction rod 3 to rub on the outer surface of the arc elastic baffle 2 when the gas flow enters, the arc elastic baffle 2 can generate static electricity under the action of the friction, so that the dust in the gas entering the projection box 1 can be adsorbed by utilizing the characteristic that the static electricity can adsorb the dust, thereby preventing a large amount of dust from entering the projection box 1 to influence the use of the device, secondly, the gas flow entering the projection box 1 can move along the arc elastic baffle 2, further the baffle 41 can move out of the air inlet hole under the pushing action of the gas flow, clean gas enters the projection box 1 to carry out heat dissipation treatment on the clean gas, and meanwhile, when the baffles 41 on the two sides move, the elastic extrusion rod 42 can be extruded, can make the elasticity extrusion stem 42 take place to warp under the effect of extrusion force, and then can make the baffle 52 of taking a breath move out the scavenge port 15 under the effect of arc auxiliary rod 5 and connection carriage release lever 51, and then realize the mesh of taking a breath, reach better radiating effect, simultaneously, because the device's setting, when the baffle 52 of taking a breath shifts out the scavenge port 15, inside air current can be blown outwards, and then has a effect of blockking to the dust in the outside gas, can effectively prevent under this effect that a large amount of dusts from the inside that the scavenge port 15 entered into projection box 1 and influence the device's use.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a low noise projecting apparatus heat abstractor, its characterized in that, includes projection box (1), the top axis department fixedly connected with dead lever (11) of projection box (1), a plurality of radiating groove (12) have been seted up on the left and right sides outer wall of projection box (1) respectively, be provided with projection lens (13) on the front outer wall of projection box (1), be provided with ash blocking plate (14) directly over projection lens (13), ash blocking plate (14) and the front outer wall fixed connection of projection box (1), set up a plurality of draught hole (15) on the outer wall of one side that projection lens (13) were kept away from in projection box (1).

2. The heat dissipation device for the low-noise projector as claimed in claim 1, wherein the left and right sides inside the projection box (1) are respectively provided with the arc-shaped elastic baffles (2), the front and rear side walls of the two arc-shaped elastic baffles (2) are respectively fixedly connected with the inner walls of the front and rear sides of the projection box (1), the insides of the two arc-shaped elastic baffles (2) are respectively hollowed out, and one side of the two arc-shaped elastic baffles (2) facing the side walls of the projection box (1) is respectively provided with a chute (21).

3. The heat dissipation device for the low-noise projector as claimed in claim 2, wherein two friction rods (3) are respectively disposed on the side of the two curved elastic baffles (2) facing the side wall of the projection box, the two friction rods (3) are respectively disposed on the left and right sides of the side of the curved elastic baffles (2) facing the side wall of the projection box, the two friction rods (3) are respectively disposed in contact with the outer surface of the curved elastic baffles (2), and curved wind shields (31) are respectively fixedly connected to the two friction rods (3).

4. The heat dissipation device for the low-noise projector as claimed in claim 3, wherein the two arc wind deflectors (31) are respectively disposed on two sides of the heat dissipation groove (12), the outer surfaces of the friction rods (3) far away from the arc wind deflectors (31) are respectively fixedly connected with a connecting rod (32), the two connecting rods (32) are respectively slidably disposed inside the sliding groove (21) and extend to the inside of the arc elastic baffle (2), the extending portions of the two connecting rods (32) are respectively fixedly connected with an elastic rod (33), and one ends of the two elastic rods (33) far away from the connecting rods (32) are respectively fixedly connected with the front and rear side walls of the projection box (1).

5. The heat dissipation device of the low-noise projector as claimed in claim 4, wherein two air inlet holes (4) are respectively formed in the left side and the right side of each of the two arc-shaped elastic baffles (2), blocking pieces (41) are slidably disposed inside the air inlet holes (4), an elastic extrusion rod (42) is disposed between the blocking pieces (41) on the two sides, the left end and the right end of the elastic extrusion rod (42) are respectively fixedly connected with the outer surfaces of the blocking pieces (41) on the two sides, a spring (43) is fixedly connected to the outer surface of the middle shaft of the elastic extrusion rod (42), and one end of the spring (43) far away from the elastic extrusion rod (42) is fixedly connected with the inner wall of the projection box (1).

6. The heat dissipating device of a low noise projector as claimed in claim 5, wherein the rear side of the elastic pressing rod (42) is fixedly connected with the arc-shaped auxiliary rods (5) at the left and right sides of the outer surface, the two ends of the arc-shaped auxiliary rods (5) are fixedly connected with the outer surfaces of the upper and lower elastic pressing rods (42), the outer surfaces of the two arc-shaped auxiliary rods (5) at the center axis are fixedly connected with the connecting moving rods (51), the side of the two connecting moving rods (51) away from the arc-shaped auxiliary rods (5) is fixedly connected with the ventilating baffle (52), and the two ventilating baffles (52) are slidably disposed inside the two ventilating holes (15).