Projecting apparatus heat dissipation wind channel structure
Technical Field
The utility model relates to the technical field of projector heat dissipation, in particular to a projector heat dissipation air duct structure.
Background
Projectors are used in homes, offices, entertainment venues for projecting pictures or video, where heat is generated both on the actual screen and from the light source.
In the prior art, the projector radiating structure and the projector are disclosed in the application number CN201720080856.3, wherein the projector radiating structure comprises at least two radiating groups, each radiating group comprises a fan, a radiating piece and at least one heat conducting piece, each heat conducting piece comprises a first end and a second end which are opposite in the length direction, the first end is used for being connected with a heating element of a projector optical machine, the second end is fixedly connected with the radiating piece, and an air inlet and at least two air outlets are formed in a shell.
However, in the heat dissipation structure mentioned in the prior art, air enters from the heat dissipation hole and is discharged from the air outlet, and the air is exchanged with the outside, so that dust is accumulated in the optical engine, the work of projection elements in the projector is affected, and the elements in the projector are damaged, so that the heat dissipation air duct structure of the projector needs to be designed.
Disclosure of utility model
The utility model aims to provide a projector heat dissipation air duct structure so as to solve the problems in the prior art.
The aim of the utility model can be achieved by the following technical scheme:
The utility model provides a projecting apparatus heat dissipation wind channel structure, the projecting apparatus includes the ray apparatus body, the fixed camera lens subassembly that is equipped with in one side of ray apparatus body is equipped with air intake and air outlet in the ray apparatus body, and one side of air outlet is equipped with and is used for radiating narrow mouth, fixed being equipped with two arc curb plates that are used for the wind-guiding on the ray apparatus body.
The fan I is fixedly arranged in the optical engine body, the air outlet end of the fan I is fixedly provided with an air guide groove, an air outlet and a narrow opening are communicated on the air guide groove, one end of the optical engine body is fixedly provided with a light source, the lower part of the light source is fixedly connected with a radiator, and one side of the radiator is fixedly provided with the fan II.
Further, a photomask is fixedly arranged on one side of the light source, and one end of the photomask is fixedly connected with the optical machine body.
Further, the optical engine body is internally fixedly provided with a screen assembly, one side of the optical engine body, which is positioned on the screen assembly, is fixedly provided with a reflecting mirror, and the two arc-shaped side plates are respectively positioned at two ends of the screen assembly.
Further, the cushion block is fixedly arranged in the optical machine body, the air inlet is formed in the optical machine body and positioned below the reflecting mirror, and a narrow opening is formed in one side of the air outlet.
Further, the fixed section bar radiator that is equipped with in below of wind-guiding groove, the fixed plastics casing that is equipped with in below of section bar radiator, the fixed power strip that is equipped with in below of ray apparatus body is equipped with the wind channel between the bottom of ray apparatus body and projecting apparatus, and the power strip is located the wind channel.
Further, the power panel is located at one side of the second fan, and the second fan is used for radiating heat to the power panel.
Further, a plurality of hole grooves are formed below the photomask, and the hole grooves are used for discharging heat of the reflecting cup inside the projector.
The utility model has the beneficial effects that:
1. According to the projector heat dissipation air duct structure, in an actual projection process, the projector is adopted to conduct heat dissipation in an internal-external separated mode, the internal circulation heat dissipation is driven by the first fan, so that air flows in the projector to take away heat on a screen, and then the second fan drives air in the air duct to flow in the air duct below the optical machine main body to form external heat dissipation, and the external heat dissipation is matched with efficient heat dissipation;
2. The projector radiating air duct structure is simple in structure, high-efficiency radiation is carried out on a screen inside the projector, air flows in the air duct with external radiation are carried out, and meanwhile, a plurality of radiating structures with parallel radiation are subjected to radiation together, so that the radiating efficiency is improved, and the radiation is reliable.
Drawings
The utility model is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a projector according to the present utility model;
FIG. 2 is a schematic diagram of a light engine according to the present utility model a body structure schematic diagram;
FIG. 3 is a schematic view illustrating an internal structure of a light engine body according to the present utility model;
FIG. 4 is a schematic diagram of a light engine according to the present utility model a cross-sectional view of the body;
FIG. 5 is an enlarged schematic view of the structure of FIG. 4A according to the present utility model;
Fig. 6 is a cross-sectional view of a photomask of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a projecting apparatus heat dissipation wind channel structure, as shown in fig. 1, fig. 2, the projecting apparatus includes ray apparatus body 1, the fixed camera lens subassembly 6 that is equipped with in one side of ray apparatus body 1, the fixed light source 2 that is equipped with in one end of ray apparatus body 1, the fixed photomask 22 that is equipped with in one side of light source 2, photomask 22's one end and ray apparatus body 1 fixed connection for photomask 22 fixed connection is between ray apparatus body 1 and light source 2, the below fixedly connected with radiator 21 of light source 2, radiator 21 is copper pipe radiator, radiator 21 is with the heat on the light source 2 main conduction to the fin.
As shown in fig. 3-5, the light machine body 1 is fixedly provided with a screen assembly 11, when light passes through the screen assembly 11, heat is generated on the screen assembly 11, a reflecting mirror 12 is fixedly arranged in the light machine body 1 and positioned on one side of the screen assembly 11, light emitted by the light source 2 is guided to the screen assembly 11 by the light shield 22, passes through the screen assembly 11, and then is reflected at the reflecting mirror 12, and is emitted from the lens assembly 6.
The light machine body 1 is fixedly provided with two arc-shaped side plates 10, the two arc-shaped side plates 10 are oppositely arranged and are positioned at two ends of the screen assembly 11, a cushion block 17 is fixedly arranged in the light machine body 1 and used for fixing the screen assembly 11 and the reflecting mirror 12, an air inlet 13 is formed in the light machine body 1 and positioned below the reflecting mirror 12, an air outlet 15 is formed in the light machine body 1 and positioned below the screen assembly 11, and a narrow opening 16 is formed in one side of the air outlet 15.
In this embodiment, the narrow opening 16 is located between the rear phenanthrene mirror and the heat-insulating glass of the screen assembly 11, the air inlet volume of the narrow opening 16 is smaller, and the air outlet 15 is used for dissipating heat from other screens of the screen assembly 11, and after passing through the screen assembly 11, the air flow flows through the inner wall of the arc-shaped side plate 10, then flows to both sides of the reflecting mirror 12, contacts with the reflecting mirror 12 to dissipate heat from the reflecting mirror 12, and then flows downwards into the fan one 3 from the air inlet 13.
The air conditioner comprises an air conditioner body 1, an air inlet 13, an air outlet 14, an air outlet 15 and a narrow opening 16, wherein the air inlet end of the air conditioner body 3 is communicated with the air inlet 13, the air outlet 14 is communicated with the air outlet 15, and a section radiator 4 is fixedly arranged below the air outlet 14 and used for radiating heat of the air outlet 14.
In this embodiment, a plastic housing is fixedly arranged below the profile radiator 4, and the plastic housing covers half of the profile radiator 4, which is beneficial to heat dissipation of the power panel 7.
The fixed power strip 7 that is equipped with in below of ray apparatus body 1, be provided with wind channel 18 between the bottom of ray apparatus body 1 and projecting apparatus, bottom is not shown in the figure, wind channel 18 is located the below of fan one 3, power strip 7 is located wind channel 18, do benefit to power strip 7 heat dissipation, the wind flows from power strip 7 top, in the below flows into wind channel 18, power strip 7 is located one side of fan two 5, the air inlet end of fan two 5 is towards wind channel 18, the wind is under the effect of fan two 5, wind passes from wind channel 18 from left to right, take away the heat of power strip 7, fan one 3 bottoms and the heat on the section bar radiator 4 in proper order, the air-out end of fan two 5 is towards radiator 21, when fan two 5 exhaust, can dispel the heat to radiator 21.
As shown in fig. 6, a plurality of holes 20 are formed below the mask 22, and heat of the reflective cups inside the mask 22 is discharged from the holes 20 arranged in an array, and then the heat is carried away by the heat-dissipating air flow.
Working principle:
When in actual use, each screen in the light source 2 and the projection optical machine generates heat, the fan I3 in the optical machine body 1 is required to drive the flow of internal air, and the air passes through the air guide groove 14, the air outlet 15, the arc-shaped side plate 10 and the air inlet 13 to radiate the heat in the optical machine body 1.
The heat is concentrated between the lower part of the optical machine body 1 and the bottom cover of the projector, then the second fan 5 is started, the air in the air duct 18 is promoted to flow, the heat of the lower part of the optical machine body 1 is radiated, the heat of an internal light path of the optical machine body 1 is reduced, the internal projection work is not interfered, the radiating effect is obvious, and the radiating is reliable and the efficiency is high.
The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.