CN223728118U - Heat radiation structure of full-sealed ray apparatus projecting apparatus - Google Patents

Abstract

This utility model discloses a heat dissipation structure for a fully sealed optical engine projector, belonging to the field of projector heat dissipation technology. The heat dissipation structure for a fully sealed optical engine projector includes a housing and a heat pipe fixedly connected inside the housing. A heat-conducting plate is fixedly installed inside the housing and fixedly connected to the heat pipe. A heat sink is fixedly installed on the side of the heat-conducting plate away from the heat pipe. A cooling fan is fixedly connected to the housing, with its input end facing the heat sink. This utility model uses a drive unit to draw coolant from a storage tank. The coolant continuously flows through a convex circulation pipe to absorb heat generated inside the projector. The cooling fan cools the coolant and dissipates the heat, effectively dissipating heat from the projector and improving its stability and lifespan.

Description

Heat radiation structure of full-sealed ray apparatus projecting apparatus

Technical Field

The utility model relates to the technical field of projector heat dissipation, in particular to a heat dissipation structure of a fully-sealed optical machine projector.

Background

A hermetically sealed bare engine projector is a device for projection displays, the biggest feature of which is a "hermetically sealed" design, which is generally designed to protect the internal optical and electronic components, ensuring that the projector is able to operate stably in a variety of environments, especially in dust, moisture or other adverse environmental conditions.

The full-sealed optical machine projector is a high-brightness projector which is very suitable for complex and severe environments, the sealed design of the full-sealed optical machine projector enables the projector to be more durable and reliable, the full-sealed optical machine projector is particularly suitable for places which need long-term operation and are difficult to maintain frequently, and the application range of the projector is wider along with the development of technology, particularly in the fields of business, education, outdoor activities and the like.

The projector of the full-sealed optical machine has good tightness, almost does not exchange air with the outside, and avoids the problem that the traditional projector needs dust removal, but also has poor internal heat dissipation effect due to the full-sealed design, thereby influencing the service stability and service life of the projector.

Disclosure of utility model

The utility model aims to solve the problems that the use stability and service life of a projector are affected due to poor internal heat dissipation effect caused by the fully-sealed design of the projector, and provides a heat dissipation structure of a fully-sealed optical machine projector.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

The heat radiation structure of the full-sealed optical machine projector comprises a shell, and further comprises a liquid storage tank fixedly connected to the inside of the shell, wherein two ends of the liquid storage tank are connected with circulating pipes, a driving part for extracting cooling liquid from the liquid storage tank and circularly flowing along the circulating pipes is arranged on the shell, and a heat radiation fan is fixedly connected to the inside of the shell, and the input end of the heat radiation fan is right opposite to the liquid storage tank.

In order to enable the cooling liquid to circularly flow along the circulating pipe, preferably, the driving part comprises a pump body fixedly installed on the inner wall of the shell, the pump body is fixedly connected with the liquid storage tank, wherein the input end of the pump body is communicated with the inside of the liquid storage tank, the output end of the pump body is fixedly connected with a liquid outlet pipe, one side, far away from the pump body, of the liquid storage tank is provided with a return pipe, the return pipe and the liquid outlet pipe are fixedly connected with the circulating pipe, and the shape of the circulating pipe is convex.

In order to dissipate heat of the cooling liquid, preferably, a heat conducting plate is fixedly connected to the circumferential surface of the liquid storage tank and fixedly connected with the shell, a cooling fin is fixedly connected to one side, close to the cooling fan, of the heat conducting plate, a filter screen is clamped between the inner walls of the shell, and the filter screen and the output end of the cooling fan are arranged oppositely.

In order to increase the heat dissipation area, further, one side of the radiating fin, which is close to the input end of the radiating fan, is in a streamline shape, a plurality of inwards concave notches are formed in the streamline surface of the radiating fin, and a plurality of notches are in annular equidistant arrangement.

In order to facilitate adding the cooling liquid, preferably, the liquid storage tank is provided with a liquid inlet pipe, the liquid inlet pipe is fixedly connected with the shell and extends out of the top of the shell, and the liquid inlet pipe is provided with a sealing plug.

Compared with the prior art, the utility model provides a heat radiation structure of a full-sealed optical machine projector, which has the following beneficial effects:

1. This heat radiation structure of totally enclosed ray apparatus projecting apparatus, cooling liquid in the liquid storage pot is taken out through drive division, and the cooling liquid is continuous to be cut off the heat that produces inside the absorption projecting apparatus through the circulating pipe of convex structure to cool down the cooling liquid through radiator fan, give off the heat simultaneously, can dispel the heat to the projecting apparatus effectively, the radiating effect is good, has improved the stability in use and the life-span of projecting apparatus.

2. This heat radiation structure of totally enclosed ray apparatus projecting apparatus, through setting up radiator fan, heat-conducting plate and fin, the heat-conducting plate is derived absorbing heat in the liquid storage pot, dispels the heat by the fin again, is streamlined setting and the design of notch through the one side that is close to radiator fan input with the fin and further increases heat radiating area, is favorable to improving holistic radiating effect, and in the outside air is given off heat by radiator fan again, can effectively improve the radiating effect of projecting apparatus.

Drawings

Fig. 1 is a schematic diagram of an axial measurement structure of a heat dissipation structure of a fully sealed optical projector according to the present utility model;

Fig. 2 is a schematic diagram of a cut-away structure of a housing of a heat dissipation structure of a fully sealed optical projector according to the present utility model;

Fig. 3 is a schematic diagram showing a cut-away structure of a housing of a heat dissipation structure of a fully sealed optical projector according to the present utility model;

Fig. 4 is a schematic diagram of a heat sink structure of a heat dissipation structure of a fully sealed optical projector according to the present utility model.

In the figure, 1, a shell, 201, a cooling fan, 202, a heat conducting plate, 203, cooling fins, 204, a notch, 3, a filter screen, 4, a liquid storage tank, 5, a pump body, 6, a liquid outlet pipe, 7, a return pipe, 8, a circulating pipe, 9, a liquid inlet pipe, 10 and a sealing plug.

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.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Examples:

Referring to fig. 1-4, the embodiment of the utility model provides a heat radiation structure of a full-sealed optical machine projector, which comprises a shell 1, wherein the shell 1 is fixedly connected with the side wall of the projector through bolts, one side of the shell 1 far away from the projector is open, the opening is used for air outlet, air inlets are formed in two sides of the shell 1, a filter plate is arranged at the air inlet, the full-sealed optical machine projector also comprises a liquid storage tank 4 for storing cooling liquid, the full-sealed optical machine projector is fixedly connected in the shell 1, two ends of the liquid storage tank 4 are connected with a circulating pipe 8, the circulating pipe 8 is in a convex shape, the circulating pipe 8 in a convex design enables the flow path of the cooling liquid in the projector to be increased, the heat radiation area is enlarged, the circulating pipe 8 is fixedly connected with the projector, two ends of the circulating pipe 8 extend out of the projector, a driving part for extracting the cooling liquid from the liquid storage tank 4 to circularly flow along the circulating pipe 8 is arranged on the shell 1, three heat radiation fans 201 are fixedly connected in the shell 1, and are arranged at equal intervals, and the input ends of the heat radiation fans 201 are right opposite to the liquid storage tank 4.

During operation, cooling liquid in the liquid storage tank 4 is extracted through the driving part, the cooling liquid continuously flows through the circulating pipe 8 of the convex structure to absorb heat generated in the projector, the cooling fan 201 cools the cooling liquid, and meanwhile, the cooling fan radiates heat, so that the projector can be effectively cooled, the cooling effect is good, and the service stability and the service life of the projector are improved.

The drive part includes the pump body 5 of fixed mounting on the casing 1 inner wall, pump body 5 and liquid storage pot 4 fixed connection, wherein, the input and the inside intercommunication of liquid storage pot 4 of pump body 5, the output fixedly connected with drain pipe 6 of pump body 5, one side that the liquid storage pot 4 kept away from pump body 5 is provided with back flow 7, drain pipe 6 and back flow 7 all with casing 1 fixed connection and all stretch out casing 1, back flow 7 and drain pipe 6 pass through flange fixed connection with circulating pipe 8, so that dismantle back flow 7 and drain pipe 6 from circulating pipe 8, be provided with feed liquor pipe 9 on liquid storage pot 4, feed liquor pipe 9 and casing 1 fixed connection and stretch out the top of casing 1, be provided with sealing plug 10 on feed liquor pipe 9, feed liquor pipe 9 is used for adding the coolant liquid to liquid storage pot 4, sealing plug 10 is used for preventing that the dust from falling into liquid storage pot 4 through feed liquor pipe 9.

During operation, through starting the pump body 5, the coolant liquid in the pump body 5 extraction liquid storage pot 4 gets back to in the liquid storage pot 4 through drain pipe 6, circulating pipe 8 and back flow 7 in proper order to make coolant liquid circulation flow, and improve the flow path of coolant liquid in the inside of projecting apparatus through the circulating pipe 8 that the convexity set up, expand radiating area, the radiating effect is good.

The heat conduction plate 202 is fixedly connected to the circumferential surface of the liquid storage tank 4, the heat conduction plate 202 can conduct heat absorbed by cooling liquid in the liquid storage tank 4 from a high temperature area to a low temperature area, the heat conduction plate 202 is usually made of copper, aluminum and other materials and plays a role in rapid heat conduction, the heat conduction plate 202 is fixedly connected with the shell 1, one side of the heat conduction plate 202, which is close to the cooling fan 201, is fixedly connected with the cooling fins 203, the cooling fins 203 are used for increasing heat dissipation area and improving heat dissipation efficiency, good heat conductivity is achieved, the filter screen 3 is clamped between the inner walls of the shell 1, the filter screen 3 is used for blocking dust from entering the shell 1, the filter screen 3 is arranged opposite to the output end of the cooling fan 201, one side of the cooling fins 203, which is close to the input end of the cooling fan 201, is in a streamline shape, the cooling fins 203 are provided with a plurality of notches 204 which are recessed inwards, and the notches 204 are in a circular shape and are arranged at equal intervals.

During operation, through setting up radiator fan 201, heat conduction board 202 and fin 203, heat absorbed in the reservoir 4 is derived to the heat conduction board 202, dispels the heat by the fin 203 again, is streamlined setting and the design of notch 204 through being close to the one side of radiator fan 201 input with the fin 203 and further increases radiating area, is favorable to improving holistic radiating effect, and in the outside air is given off the heat by radiator fan 201 again, can effectively improve the radiating effect of projecting apparatus.

This heat radiation structure of totally enclosed ray apparatus projecting apparatus, when using, through starting pump body 5, the coolant liquid in the pump body 5 extraction liquid storage pot 4 gets back to in the liquid storage pot 4 through drain pipe 6, circulating pipe 8 and back flow 7 in proper order to make coolant liquid circulation flow, and improve the flow path of coolant liquid in the inside of projecting apparatus through the circulating pipe 8 that the convex set up, the coolant liquid constantly absorbs the inside heat that produces of projecting apparatus through the circulating pipe 8 of convex structure.

Meanwhile, through setting up radiator fan 201, heat conduction board 202 and fin 203, heat absorbed in the reservoir 4 is derived to the heat conduction board 202, dispels the heat by the fin 203 again, is streamlined setting and the design of notch 204 through being close to the one side of radiator fan 201 input with the fin 203 and further increases radiating area, is favorable to improving holistic radiating effect, and in the outside air is given off the heat by radiator fan 201 again, can effectively improve the radiating effect of projecting apparatus.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. A heat dissipation structure for a fully sealed optical engine projector, comprising a housing (1), characterized in that it further comprises: The storage tank (4) is fixedly connected inside the housing (1). The liquid storage tank (4) is connected to two ends by circulation pipes (8), and the housing (1) is provided with a drive unit for drawing coolant from the liquid storage tank (4) and circulating it along the circulation pipes (8). A cooling fan (201) is fixedly connected inside the housing (1). The input end of the cooling fan (201) is directly opposite the liquid storage tank (4). 2. The heat dissipation structure of a fully sealed optical engine projector according to claim 1, characterized in that the driving unit includes a pump body (5) fixedly installed on the inner wall of the housing (1), and the pump body (5) is fixedly connected to the liquid storage tank (4). The pump body (5) has an input end that is connected to the inside of the storage tank (4), and the output end of the pump body (5) is fixedly connected to an outlet pipe (6). A return pipe (7) is provided on the side of the storage tank (4) away from the pump body (5). The return pipe (7) and the outlet pipe (6) are fixedly connected to the circulation pipe (8). 3. The heat dissipation structure of a fully sealed optical engine projector according to claim 1, characterized in that the circulation tube (8) is convex in shape. 4. The heat dissipation structure of a fully sealed optical engine projector according to claim 1, characterized in that a heat-conducting plate (202) is fixedly connected to the circumferential surface of the liquid storage tank (4), the heat-conducting plate (202) is fixedly connected to the shell (1), a heat sink (203) is fixedly connected to the side of the heat-conducting plate (202) near the cooling fan (201), a filter screen (3) is snapped between the inner walls of the shell (1), and the filter screen (3) is arranged opposite to the output end of the cooling fan (201). 5. The heat dissipation structure of a fully sealed optical engine projector according to claim 4, characterized in that the side of the heat sink (203) near the input end of the cooling fan (201) is streamlined, and a plurality of inwardly recessed slots (204) are provided on the streamlined surface of the heat sink (203), and the plurality of slots (204) are arranged in a ring at equal intervals. 6. The heat dissipation structure of a fully sealed optical engine projector according to claim 1, characterized in that the liquid storage tank (4) is provided with a liquid inlet pipe (9), the liquid inlet pipe (9) is fixedly connected to the shell (1) and extends out of the top of the shell (1), and a sealing plug (10) is provided on the liquid inlet pipe (9).