CN211857160U

CN211857160U - Projector purifying, cooling and dehumidifying equipment and system

Info

Publication number: CN211857160U
Application number: CN202020807986.4U
Authority: CN
Inventors: 徐天猛; 卢建库
Original assignee: Shanghai Haoge Purification Environmental Protection Equipment Co ltd
Current assignee: Shanghai Haoge Purification Environmental Protection Equipment Co ltd
Priority date: 2020-05-15
Filing date: 2020-05-15
Publication date: 2020-11-03
Anticipated expiration: 2030-05-15

Abstract

The application provides a projector purification cooling dehumidification device and a projector purification cooling dehumidification system, wherein the device comprises a box body, a containing space for placing a projector is arranged in the box body, a first side surface of the box body is provided with an air inlet, and a second side surface opposite to the first side surface is provided with an air outlet; the first side surface is provided with a filtering and cooling assembly, and the filtering and cooling assembly comprises a filtering assembly arranged at the air inlet and a cooling guide assembly arranged side by side with the filtering assembly; the filter assembly comprises a protective net and a filter screen, the cooling guide assembly comprises a shell provided with a cooling medium cavity, a cooling guide assembly air inlet is formed in the shell towards the inner wall of the accommodating space, a cooling guide assembly air outlet is formed in the side of the shell and faces towards the third side face of the box body, a gap is reserved between the cooling guide assembly air outlet and the third side face, and an air channel through which air flow passes is formed between the cooling guide assembly air inlet and the cooling guide assembly air outlet. The projector can meet the requirements of air purification, temperature, humidity and dust prevention.

Description

Projector purifying, cooling and dehumidifying equipment and system

Technical Field

The utility model relates to a projector technical field especially relates to a projector purifies cooling dehumidification equipment and system.

Background

When the projector works, a large amount of heat is generated, so that the temperature of parts of the projector is increased, the projection brightness of the projector is reduced due to high temperature, and the quality of a projected picture is reduced, when the internal temperature reaches 85 ℃, the projector automatically starts an alarm, a light source is turned off, a projection accident is caused, and therefore the internal cooling of the projector is needed; the optimal working humidity range of the projector is 55-65% RH, the problems of short circuit, corrosion and the like of the projector circuit are easily caused by overhigh humidity, and the circuit accumulation static electricity and the static interference are easily caused by overlow humidity; optical parts of a projector are easily polluted by dust, so that the quality of a projected picture is reduced, and even the optical parts are damaged; meanwhile, the service life of the projector is shortened due to the superposition influence of high temperature, humidity and dust factors on the projector; from an environmental standpoint, there is a need to reduce energy consumption while the projector and projection aids are in operation.

The existing equipment on the market today can only meet the cooling or cleaning requirements of projectors. The projector purifying equipment on the market is mainly used for meeting the purifying requirements of projectors, and the equipment only has a purifying function, does not have a cooling function and a dehumidifying function, and cannot meet the purifying, cooling and humidity requirements of the projectors at the same time.

Another type of device is a projector cooling device, which is based on the principle: the equipment is a closed cavity, meanwhile, the household air-conditioning refrigeration equipment is arranged in the equipment, the internal space of the equipment is cooled only, the air in the equipment cannot be purified, and the heat generated by the projector during working is larger, at least more than 2000W, so that the refrigeration power of the equipment is required to be larger, and the energy consumption is more.

Generally, the wires of the purifying or cooling equipment adopt a plug adapter sealing mode, so that the reliability of the electrical connection of the wires can be reduced; the method has a narrow application range, for example, part of the projector lens can automatically rotate when the image quality is adjusted, so that the silica gel sleeve generates resistance to the rotation of the lens, and the lens has the risk of not rotating in place.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a projector purifies cooling dehumidification equipment and system to solve the problem that proposes in the above-mentioned technical background.

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

a first aspect of the present application provides a projector purification cooling dehumidification apparatus comprising: the projector box comprises a box body, wherein an accommodating space for accommodating a projector is arranged in the box body, a first side surface of the box body is provided with an air inlet, a second side surface of the box body is provided with an air outlet, and the first side surface and the second side surface are arranged oppositely; wherein the content of the first and second substances,

the second side surface is provided with an air exhaust assembly, and the air exhaust assembly comprises an air exhaust fan arranged at the air outlet;

the first side surface is provided with a filtering and cooling assembly, and the filtering and cooling assembly comprises a filtering assembly arranged at the air inlet and a cooling flow guide assembly arranged side by side with the filtering assembly; the filter assembly comprises a protective net and a filter screen which are arranged in sequence from outside to inside; the cooling flow guide assembly comprises a hollow shell, a cooling medium cavity and a fan are arranged in the shell, a cooling flow guide assembly air inlet is formed in the shell towards the inner wall of the accommodating space, a cooling flow guide assembly air outlet is formed in the side of the shell, the cooling flow guide assembly air outlet faces towards the third side face of the box body, a gap is reserved between the cooling flow guide assembly air outlet and the third side face, an air channel for air flow to pass through is formed between the cooling flow guide assembly air inlet and the cooling flow guide assembly air outlet, and heat exchange is carried out between the air flow and the cooling medium in the cooling medium cavity through the wall of the cooling medium cavity to form.

Preferably, the box body comprises a rectangular frame, and a bottom plate, a top plate, a front panel, a rear panel, a left panel and a right panel which are arranged on the rectangular frame; the bottom plate, the top plate, the front panel, the rear panel, the left panel and the right panel form the accommodating space.

Preferably, the air flow of the air inlet is divided into two paths, one path of air flow flows to the air outlet after flowing through the projector light source cavity, the other path of air flow flows through the cooling flow guide assembly under the negative pressure effect caused by a fan arranged in the shell of the cooling flow guide assembly, and then flows to the air outlet after flowing through the projector optical engine cavity.

Preferably, the mesh diameter of the protection net of the filter assembly is larger than that of the filter net.

Preferably, the filter assembly further comprises an inlet fan, the inlet fan is arranged at the air inlet, and the filter screen is located in a cavity between the protective net and the inlet fan.

Preferably, the cooling medium chamber is a cooling medium transmission pipeline or a cooling medium container.

More preferably, the cooling mode of the cooling flow guide assembly at least comprises compressor refrigeration and TEC refrigeration.

Preferably, the cooling flow guide assembly comprises a cooling assembly and a cold air duct member, wherein the cooling assembly comprises an accommodating cavity provided with an opening, and a cooling medium chamber and a fan which are arranged in the accommodating cavity; the accommodating cavity is provided with the cold air duct piece around the opening, and the air duct is formed in the cold air duct piece; the air conditioning air duct piece comprises a first side and a second side which are adjacent, the first side faces the air inlet in an inclined mode, the air inlet of the cooling flow guide assembly is arranged on the first side, and the air outlet of the cooling flow guide assembly is arranged on the second side.

More preferably, the air outlet of the cooling air guide assembly forms a flaring structure extending outwards relative to the cold air duct.

More preferably, a guide plate is further arranged at the air outlet of the cooling flow guide assembly, and the guide plate extends from the air outlet of the cooling flow guide assembly to the third side face of the box body in an inclined manner.

More preferably, the air flow in the accommodating space flows into the accommodating cavity from the air inlet of the cooling flow guide assembly, and after exchanging heat with the cooling medium, returns to the accommodating space from the air outlet of the cooling flow guide assembly.

More preferably, the inner wall of the cold air duct is provided with a thermal insulation material.

Preferably, the first side face is further provided with a wire passing sealing assembly, the wire passing sealing assembly comprises a wire passing sealing frame, one side of the wire passing sealing frame, which is opposite to the accommodating space, is provided with a first connecting plate and a second connecting plate, and the first connecting plate and the second connecting plate are in sealing connection through a sealing material; the first connecting plate is provided with at least one wire passing hole for a wire to pass through and at least two wire passing holes for water cooling pipes to pass through.

More preferably, the outer surface of the wire rod is coated with a sealing material, and the position where the wire rod is coated with the sealing material is clamped in the wire through hole.

More preferably, the outer surface of the water-cooling tube is coated with a sealing material, and the position of the water-cooling tube coated with the sealing material is clamped in the tube hole.

More preferably, the wire passing sealing assembly is arranged below the filtering assembly.

Preferably, the first side surface is further provided with a display module for displaying the air quality, temperature, humidity and working state inside the box body. For example, the display module displays temperature, humidity, cleanliness, a filter screen working state, an inlet fan working state and an exhaust fan working state, and can alarm to prompt a user to replace the filter screen.

More preferably, the display module is further provided with a communication interface for connecting the central control system of the cinema, realizing remote control and uploading data.

More preferably, the projector purification cooling and dehumidification device can adjust the rotation speed of the exhaust fan and the inlet fan through the display module.

Preferably, the first side face is further provided with a power switch for controlling the on-off of power supply.

More preferably, the power switch is also provided with a communication interface for connecting with a central control system of the cinema and controlling the power switch to be automatically switched on and off through a digital signal.

Preferably, the exhaust assembly further includes an exhaust air duct member, the exhaust air duct member has an inlet end and an outlet end through which the air flow passes, the inlet end faces the accommodating space, the outlet end is fixedly connected to one side of the second side face facing the accommodating space, the exhaust air duct member and the second side face of the box body enclose an exhaust air duct, and the exhaust fan is located in the exhaust air duct.

More preferably, the inlet end of the exhaust duct member is provided with a sealing material for sealing and connecting the side wall of the projector.

Preferably, a lens hole is formed in the third side surface of the box body.

More preferably, a side of the third side surface facing the accommodating space is provided with a sealing material around an edge of the lens hole.

Preferably, the box body is provided with a fourth side surface, and a mechanical interface for installing a projector is arranged on the fourth side surface.

Preferably, a sealing material is arranged in a gap of the periphery of the box body.

The above sealing material is used for sealing a gap between two parts, and the sealing material is any sealing material known in the prior art, which can achieve the sealing purpose of the present invention.

All components of the projector purifying, cooling and dehumidifying equipment can be disassembled and assembled.

A second aspect of the present application provides a projector system having a purification cooling and dehumidification function, comprising:

the projector is arranged in the accommodating cavity of the projector purification cooling dehumidification device, the side wall of the projector with the first air inlet faces the air inlet of the box body, a gap is reserved between the side wall of the projector and the first side face of the box body, the side wall of the projector with the projector lens and the second air inlet faces the third side face of the box body, and the side wall of the projector with the air outlet faces the air outlet of the box body.

Preferably, the inner cavity between the first air inlet and the air outlet of the projector forms a first air duct; a second air duct is formed in an inner cavity between a second air inlet and an air outlet of the projector;

clean airflow entering from an air inlet of the projector purification cooling dehumidification equipment is at least divided into first divided airflow and second divided airflow, the first divided airflow enters an inner cavity of the projector from a first air inlet of the projector, flows through a first air duct, dissipates heat of a first part of the projector, and is exhausted out of an air outlet through an exhaust fan; the second split air flow enters the shell of the cooling and flow guiding assembly, is cooled and dehumidified by a cooling medium, then enters the inner cavity of the projector along the second air inlet of the projector, flows through the second air channel, dissipates heat of the second part of the projector, and is discharged out of the air outlet through the air exhaust fan.

More preferably, a fan is arranged in a housing of the cooling guide assembly on the first side of the projector purifying, cooling and dehumidifying device, and the second split airflow is subjected to negative pressure caused by the fan, enters the cooling guide assembly from an air inlet of the cooling guide assembly, and flows out from an air outlet of the cooling guide assembly after being cooled and dehumidified by the cooling medium.

Furthermore, the second split air flow flows out from the air outlet of the cooling and guiding assembly, returns to the gap between the air outlet of the cooling and guiding assembly and the third side surface in the accommodating space, flows to the second air inlet of the projector along the gap, enters the inner cavity of the projector from the second air inlet of the projector, flows through the second air channel, dissipates heat for the second part of the projector, and is discharged out of the air outlet through the air exhaust fan.

More preferably, the first portion of the projector is a projector light source and the second portion of the projector is a projector light engine.

Preferably, the air exhaust assembly of the projector purification cooling dehumidification device further comprises an air exhaust duct element, the air exhaust duct element has an inlet end and an outlet end through which air flows, the inlet end faces the accommodating space, the outlet end is fixedly connected to one side of the second side face facing the accommodating space, the air exhaust duct element and the second side face of the box body enclose an air exhaust duct, and the air exhaust fan is located in the air exhaust duct; sealing and attaching one side of the projector with an air outlet to the inlet end of the air exhaust duct piece, wherein the air exhaust duct piece forms a connecting channel for communicating the air outlet of the projector with the air outlet of the box body; the air flow from the air outlet of the projector passes through the air exhaust duct piece and then is exhausted out of the air outlet through the air exhaust fan.

Preferably, the cooling flow guide assembly of the projector purification cooling dehumidification equipment comprises a cooling assembly and a cold air duct piece, wherein the cooling assembly comprises an accommodating cavity provided with an opening and a cooling medium cavity arranged in the accommodating cavity; the accommodating cavity is provided with the cold air duct piece around the opening, and the cold air duct is formed in the cold air duct piece; the air conditioning air duct piece comprises a first side and a second side which are adjacent, the first side faces the air inlet in an inclined mode, the air inlet of the cooling flow guide assembly is arranged on the first side, and the air outlet of the cooling flow guide assembly is arranged on the second side.

Preferably, a line passing sealing assembly is further arranged on a first side face of the projector purifying, cooling and dehumidifying device, the line passing sealing assembly comprises a line passing sealing frame, a first connecting plate and a second connecting plate are arranged on one side, opposite to the accommodating space, of the line passing sealing frame, and the first connecting plate and the second connecting plate are in sealing connection through a sealing material; the first connecting plate is provided with at least one wire passing hole for a wire to pass through and at least two wire passing holes for water cooling pipes to pass through.

Compared with the prior art, the technical scheme of the utility model following beneficial effect has:

the utility model provides a projector purifies cooling dehumidification equipment and system, equipment is provided with and filters cooling module, the subassembly of airing exhaust, and the clean air current reposition of redundant personnel that gets into equipment is two the tunnel, and the air current is the projector light source heat dissipation all the way, and another way air current flows through the cooling water conservancy diversion subassembly, generates the cooling air current after carrying out the heat exchange with coolant for cooling projector optical engine can reduce air current humidity simultaneously. The projector can meet the requirements of the projector on air purification, temperature and humidity. The wire passing sealing assembly is further arranged, the wire can be directly sealed by the wire passing sealing assembly without an adapter plug, and the reduction of the reliability of electrical connection caused by wire switching is avoided; the wire passing sealing assembly can also seal the water cooling pipe.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:

FIG. 1 is a schematic view showing the overall construction of a projector purification cooling dehumidification apparatus;

FIG. 2 is a top view of a projector purge cooling dehumidification apparatus (without a ceiling);

FIG. 3 is a schematic view of the construction of the right panel of a projector clean cooling dehumidification plant;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is an exploded view of the right panel of a projector purge cooling dehumidification device;

FIG. 6 is a schematic view of a line-through seal assembly of a projector purification, cooling and dehumidification plant;

FIG. 7 is a schematic view of the air discharge assembly of a projector cooling and dehumidifying device;

fig. 8 is a schematic diagram of a projector purge cooling dehumidification system.

Illustration of the drawings:

Detailed Description

The utility model provides a projector purifies cooling dehumidification equipment and system, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right that the following reference drawing does and the example of referring to the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the above-described drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order, it being understood that the data so used may be interchanged under appropriate circumstances. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

Referring to fig. 1 to 7, a projector purge cooling and dehumidifying apparatus includes: a cabinet including a rectangular frame 110, and a bottom plate 140, a top plate 170, a front panel 150, a rear panel 181, a left panel 161, and a right panel 121 mounted on the rectangular frame 110; the bottom plate 140, the top plate 170, the front panel 150, the rear panel 181, the left panel 161, and the right panel 121 form an accommodating space for placing the projector 200.

Wherein a base plate 140 is attached to the bottom of the rectangular frame 110, and the projector 200 is placed on the base plate 140. The top plate 170 is mounted on the top of the rectangular frame 110. The front panel 150 is mounted on the front side of the rectangular frame 110, i.e., in a direction away from the projector lens 240, and the front panel 150 is provided with a mechanical interface for mounting the projector 200. The rear panel 181 is mounted on the rear side of the rectangular frame 110, i.e., facing the direction of the projector lens 240, the rear panel 181 is provided with a lens hole 183, a lens sealing material 182 surrounding the edge of the lens hole 183 is disposed on the side of the rear panel 181 facing the accommodating space, and the lens sealing material 182 can realize contact sealing with the non-rotating part of the projector lens 240 of the projector 200, thereby preventing the projector lens 240 from being subjected to resistance during rotation. The right panel 121 is installed at the right side of the rectangular frame 110, and is provided with an air inlet; the left panel 161 is installed at the left side of the rectangular frame 110 and has an air outlet provided thereon.

The right panel 121 is provided with a filtering and cooling assembly 120, which functions as: filtering the air flow entering the interior of the equipment from the external environment to ensure that the air flow entering the projector is clean; the filtered air stream is cooled to reduce the temperature of the projector core components and reduce the humidity of the air stream.

Specifically, as shown in fig. 5, a filtering and cooling assembly 120 is disposed on the right panel 121, and the filtering and cooling assembly 120 includes a filtering assembly disposed at the air inlet and a cooling assembly 124 disposed side by side with the filtering assembly.

The filtering component comprises a protective net 125, a filter screen 126 and an inlet fan 127 which are arranged in sequence from outside to inside. The mesh diameter of the protective net 125 is larger than that of the filter net 126, the protective net 125 can filter large-sized floating objects in the air, such as plastic bags and paper scraps, and the filter net 126 can filter hair, tiny dust, PM2.5 and other dust with smaller particles; the inlet fan 127 provides driving force to make external air flow into the accommodating space inside the device.

The cooling assembly 124 comprises an accommodating cavity provided with an opening, and a cooling medium chamber and a fan which are arranged in the accommodating cavity; the accommodating cavity is provided with a cold air duct 128 surrounding the opening, and the cold air duct 128 and the cooling assembly 124 together form a cooling flow guide assembly. The cold air duct 128 includes a first side and a second side adjacent to each other, the first side faces the accommodating space, the first side faces the air inlet, the second side faces the rear panel 181 of the box, and a gap is left between the rear panel 181 and the accommodating space. The cooling and flow guiding assembly air inlet is formed in the first side, the cooling and flow guiding assembly air outlet is formed in the second side, and an air channel for air flow to pass through is formed by the cooling and flow guiding assembly air inlet, the cooling and flow guiding assembly air outlet and the cooling assembly 124 in a surrounding mode. The cold air duct 128 introduces the air flow filtered by the air inlet, and after cooling, guides the cooled air flow to return to the accommodating space along the gap between the air outlet of the cooling flow guide assembly and the rear panel 181. The first side disposed obliquely may increase the amount of air flow entering the cool air duct member 128. The inner wall of the cold air duct 128 may also be added with thermal insulation material to reduce the heat exchange between the cold air and the surrounding environment.

The right panel 121 is further provided with a wire passing sealing assembly 130, which is located below the filtering assembly and has the following functions: the communication and power supply wires and the water cooling tube of the projector are sealed, so that the convection of the air inside and outside the projector purification, cooling and dehumidification equipment is isolated, and the unfiltered air is prevented from entering the equipment.

Specifically, as shown in fig. 6, the wire passing sealing assembly 130 includes a wire passing sealing frame 132, and a side of the wire passing sealing frame 132 facing away from the accommodating space is covered with a wire passing sealing panel 133 and a wire passing sealing pressing plate 131. The wire passing sealing panel 133 is provided with a plurality of wire passing holes 134 for passing wires 410, the wire passing sealing pressing plate 131 is positioned above the wire passing sealing panel 133, and one side of the wire passing sealing pressing plate 131 facing the wire passing sealing panel 133 is provided with a wire passing pressing plate sealing material 136 for fixing and sealing the wires 410. The wire passing sealing panel 133 is further provided with two pipe holes 135 for water cooling pipes 420 to pass through,

in a preferred embodiment, the outer surface of the wire 410 is covered with the wire sealing material 310, and the position where the wire 410 is covered with the wire sealing material 310 is clamped in the wire through hole 134. The outer surface of the water-cooling tube 420 is coated with a tube sealing material 320, and the position of the water-cooling tube 420 coated with the tube sealing material 320 is clamped in the through tube hole 135.

As shown in fig. 5, the bottom of the right panel 121 is further provided with a power switch 122 and a display module 123. The power switch 122 is used for switching on and off the power supply of the projector purification, cooling and dehumidification equipment, and can also be an intelligent power supply which comprises a communication interface, is connected with a central control system of a cinema and controls the power switch 122 to be switched on and off automatically through digital signals. The display module 123 is used for displaying detection information such as temperature, humidity, cleanliness, working state of the filter screen and working state of the fan inside the box body, can give an alarm to prompt a user to replace the filter screen, and also comprises a communication interface which is used for connecting a central control system of a cinema to realize remote control and upload data; the display module 123 can also adjust the rotation speed of the exhaust fan and the inlet fan to realize the air pressure balance between the inside of the equipment cavity and the outside of the equipment; the intelligent terminal can be connected with a wireless network, and displayed information can be checked through the intelligent terminal, such as a mobile phone, a tablet personal computer and the like.

The left panel 161 is provided with an exhaust assembly 160, which has the following functions: the hot air flow passing through the projector is discharged to the outside of the apparatus. Specifically, as shown in fig. 7, the exhaust assembly 160 includes an exhaust fan 162, an exhaust duct member 163, and an exhaust duct sealing material 164. The exhaust fan 162 is arranged at the air outlet to provide driving force to exhaust air flow in the equipment; the air exhaust duct member 163 has an inlet end and an outlet end for air to pass through, the inlet end faces the accommodating space, the outlet end is fixedly connected to one side of the left panel 161 facing the accommodating space, the air exhaust duct member 163 and the left panel 161 of the box body enclose an air exhaust duct, and the air exhaust fan 162 is located in the air exhaust duct. The inlet end of the exhaust duct member 163 is further provided with an exhaust duct sealing material 164 for sealing-connecting the side walls of the projector. The air-discharging duct 163 communicates the air outlet of the projector 200 with the air outlet of the left panel 161, that is, the air-discharging duct 163 forms a connection channel communicating the air outlet of the projector with the air outlet of the cabinet, so that all the air flowing out from the air outlet of the projector 200 flows out through the air-discharging fan 162 of the air outlet, thereby avoiding the short circuit of the air and improving the air-discharging efficiency.

It is noted that the above-mentioned sealing material is used for sealing a gap between two parts. All components of the projector purifying, cooling and dehumidifying equipment can be disassembled and assembled, so that the maintenance of the projector and the equipment is convenient; the wire passing sealing assembly 130 is a separate assembly, and when the filtering and cooling assembly 120 is disassembled, the wire passing sealing assembly 130 does not need to be disassembled.

In addition, the present application also provides a projector purification cooling dehumidification system comprising: a projector 200, and a projector purge cooling dehumidification apparatus 100 as described above. As shown in fig. 8, projector 200 may be a known device in the art, and typically projector 200 includes a housing that may be divided into a projector light source cavity 220 for housing a projector light source and a projector light engine cavity 230 for housing a projector light engine. On one side wall of the housing, a first air inlet 250 is provided for the projector light source cavity 220, and on the other side wall of the housing, a second air inlet 260 is provided for the projector optical engine cavity 230, and an air outlet is also provided on the housing.

The operating principle of the projector purifying, cooling and dehumidifying equipment is as follows:

when the projector cooling and dehumidifying device is used, the projector 200 is placed in the accommodating space of the projector cooling and dehumidifying device 100, so that the side wall of the projector 200 with the first air inlet 250 faces the air inlet of the box (i.e. faces the right panel 121), a gap is left between the side wall and the right panel 121 of the box, the side wall of the projector 200 with the projector lens 240 and the second air inlet 260 faces the rear panel 181 of the box, and the side wall of the projector 200 with the air outlet (not shown) faces the air outlet of the box (i.e. faces the left panel 161). The plurality of wires connected to the projector 200 are drawn out through the thread passing holes 134 of the thread passing sealing panel 133.

As shown in fig. 4, the inlet airflow B outside the projector purification cooling dehumidification device enters from the protection net 125 of the filter assembly under the action of the inlet fan 127, flows through the filter net 126, and flows out from the inlet fan 127, and the inlet airflow B is filtered into a clean airflow. The clean air flow to the projector 200 is split into two paths, one being the projector light source cavity air flow and the other being the cooling assembly inlet air flow. The projector light source cavity airflow enters the projector light source cavity 220 inside the projector 200 from the first air inlet 250 of the projector, flows out from the air outlet of the projector 200 after dissipating heat of the projector light source, is exhausted from the exhaust fan 162 through the exhaust air duct member 163, and flows into the external environment through the outlet airflow F exhausted from the exhaust fan 162. The cooling assembly inlet airflow C enters the cooling assembly 124 from the air inlet of the cooling diversion assembly under the negative pressure effect caused by the fan in the accommodating cavity of the cooling assembly 124, and the cooling assembly 124 cools and dehumidifies the cooling assembly inlet airflow C to become cooling airflow; the cooling air flow flows out along the cooling air duct 128, returns to the gap between the air outlet of the cooling air guiding assembly and the rear panel 181 in the accommodating space, flows to the second air inlet 160 of the projector 200 along the gap, enters the projector optical engine cavity 230 inside the projector 200 from the second air inlet 260, exchanges heat with the projector optical engine 210, decreases the temperature of the projector optical engine 210, increases the temperature of the cooling air flow, flows out from the air outlet of the projector 200 after the temperature of the cooling air flow increases, is exhausted from the exhaust fan 162 after passing through the exhaust air duct 163, and flows into the external environment through the outlet air flow F exhausted from the exhaust fan 162. In the present application, the projector purge cooling dehumidification device provides only cooling air to the projector light engine 210, which reduces the power consumption of the device. The gap between the cooling air guide member outlet and the rear panel 181 is a space formed by the second side of the cooling air duct 128 and the side wall of the projector 200 facing the rear panel 181 and the rear panel 181, and the gap communicates the cooling air guide member outlet and the second air inlet 260 of the projector 200. A suitable gap is left between the second side of the cool air duct 128 and the projector 200, and the size of the gap should not affect the flow direction of the cooling air from the cooling air guiding assembly outlet to the second air inlet 260.

In summary, the projector purification, cooling and dehumidification device and system provided by the present application can simultaneously meet the requirements of the projector for air purification, temperature, humidity and dust prevention by arranging the filtering and cooling assembly and the exhaust assembly; through setting up line seal assembly, can not directly seal the wire rod through the patchplug, avoid the reliability reduction of the electrical connection who leads to because of the wire rod switching. The projector purification, cooling and dehumidification equipment is convenient to maintain because all components of the projector purification, cooling and dehumidification equipment can be disassembled and assembled.

The above detailed description of the embodiments of the present invention is only for exemplary purposes, and the present invention is not limited to the above described embodiments. Any equivalent modifications and substitutions to those skilled in the art are also within the scope of the present invention. Accordingly, variations and modifications in equivalents may be made without departing from the spirit and scope of the invention, which is intended to be covered by the following claims.

Claims

1. A projector purge cooling dehumidification apparatus, comprising: the projector box comprises a box body, wherein an accommodating space for accommodating a projector is arranged in the box body, a first side surface of the box body is provided with an air inlet, a second side surface of the box body is provided with an air outlet, and the first side surface and the second side surface are arranged oppositely; wherein the content of the first and second substances,

2. A projector purification cooling dehumidification apparatus as set forth in claim 1, wherein: the diameter of meshes of a protective net of the filter assembly is larger than that of meshes of the filter screen.

3. A projector purification cooling dehumidification apparatus as set forth in claim 1, wherein: the filter assembly further comprises an inlet fan, the inlet fan is arranged at the air inlet, and the filter screen is located in a cavity between the protective screen and the inlet fan.

4. A projector purification cooling dehumidification apparatus as set forth in claim 1, wherein: the cooling flow guide assembly comprises a cooling assembly and a cold air duct piece, wherein the cooling assembly comprises an accommodating cavity with an opening, a cooling medium cavity and a fan, and the cooling medium cavity and the fan are arranged in the accommodating cavity; the accommodating cavity is provided with the cold air duct piece around the opening, and the air duct is formed in the cold air duct piece; the air conditioning air duct piece comprises a first side and a second side which are adjacent, the first side faces the air inlet in an inclined mode, the air inlet of the cooling flow guide assembly is arranged on the first side, and the air outlet of the cooling flow guide assembly is arranged on the second side.

5. A projector purification cooling dehumidification apparatus as set forth in claim 1, wherein: the first side face is also provided with a wire passing sealing assembly, the wire passing sealing assembly comprises a wire passing sealing frame, one side of the wire passing sealing frame, which is back to the accommodating space, is provided with a first connecting plate and a second connecting plate, and the first connecting plate and the second connecting plate are in sealing connection through a sealing material; the first connecting plate is provided with at least one wire passing hole for a wire to pass through and at least two wire passing holes for water cooling pipes to pass through.

6. A projector purification cooling dehumidification apparatus as set forth in claim 1, wherein: the first side face is also provided with a display module for displaying the air quality, temperature, humidity and working state in the box body; and/or the first side surface is also provided with a power switch for controlling the on-off of power supply.

7. A projector purification cooling dehumidification apparatus as set forth in claim 1, wherein: the air exhaust assembly further comprises an air exhaust air duct piece, the air exhaust air duct piece is provided with an inlet end and an outlet end, the inlet end faces the accommodating space, the outlet end is fixedly connected to one side, facing the accommodating space, of the second side face, the air exhaust air duct piece and the second side face of the box body enclose an air exhaust air duct, and the air exhaust fan is located in the air exhaust air duct.

8. A projector purification cooling dehumidification apparatus as set forth in claim 7, wherein: and the inlet end of the air exhaust duct piece is provided with a sealing material for sealing and connecting the side wall of the projector.

9. A projector purification cooling dehumidification apparatus as set forth in claim 1, wherein: a lens hole is formed in the third side face of the box body, and a sealing material surrounding the edge of the lens hole is arranged on one side, facing the accommodating space, of the third side face.

10. A projector system having a purification cooling and dehumidification function, comprising: the projector purification cooling dehumidification equipment comprises a projector and the projector purification cooling dehumidification equipment as claimed in any one of the claims 1 to 9, wherein the projector is arranged in a containing cavity of the projector purification cooling dehumidification equipment, the side wall of the projector with a first air inlet faces to an air inlet of a box body, a gap is reserved between the side wall of the projector and a first side face of the box body, the side wall of the projector with a projector lens and a second air inlet faces to a third side face of the box body, and the side wall of the projector with an air outlet faces to an air outlet of the box body.