CN212989866U - Outdoor projection fixed mounting case of dustproof integrated design of constant temperature - Google Patents

Abstract

The utility model discloses an outdoor projection fixed mounting case of dustproof integrated design of constant temperature relates to outdoor projection fixed mounting case technical field, including the box, be equipped with the baffle in the box, install the base on the bottom inner wall of box, fixed frame is installed at the top of base, and the heating cabinet is corresponding with the position of one of them fan frame, installs the main tuber pipe on one side lateral wall of heating cabinet, is equipped with air inlet cover, dust screen, moisture absorption cotton in the dustproof frame, installs the transparent plate in the transparent plate mounting hole. The utility model discloses it is rational in infrastructure, use with the cooperation of forced air cooling portion through the heater for temperature in the box keeps invariable, thereby makes the performance of projector not influenced by temperature variation, through setting up dust screen, moisture absorption cotton, removes dust and dehumidifies to the air that the external world got into the box, thereby reaches dustproof, damp-proofing effect, further prevents dust to handle in the box through setting up sealing strip, exhaust dust screen, and is dustproof effectual.

Description

Outdoor projection fixed mounting case of dustproof integrated design of constant temperature

Technical Field

The utility model relates to a projector installation case technical field specifically is an outdoor projection fixed mounting case of dustproof integrated design of constant temperature.

Background

The projector is a large-screen image device with wide application, not only can be connected with a computer, a workstation and the like, but also can be connected with devices such as a video recorder, a television, a video disc player, a real object exhibition stand and the like. With the continuous development of projector technology, the application of the outdoor projection project of the projector is more and more extensive, and because the projector is used outdoors, a constant-temperature dust-proof box is often required to be arranged to protect the projector.

The outdoor projection fixed mounting case that has now simple structure, the function singleness, outdoor temperature difference change is great, and outdoor projection fixed mounting case commonly used does not have the constant temperature function, and the performance of projector can receive the temperature influence, and some outdoor projection fixed mounting case dustproof effect is general, consequently, this problem is solved to the outdoor projection fixed mounting case that needs a dustproof integrated design of constant temperature urgently.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide an outdoor projection fixed mounting case of dustproof integrated design of constant temperature, can make keep invariable temperature and have better dustproof effect in the case to make the performance that the projector keeps stable.

In order to achieve the above purpose, the present application provides the following technical solutions: an outdoor projection fixed mounting box with constant temperature and dustproof integrated design comprises a box body, wherein a partition plate is arranged in the box body, a base is arranged on the inner wall of the bottom of the box body, a fixed frame is arranged at the top of the base, a pair of fan frame mounting holes are formed in the side wall of one side of the partition plate, a pair of fan frames are arranged in the fan frame mounting holes, a pair of fan frames are arranged in the fan frames, a cooling part is arranged in each fan frame, a heating box is arranged on the side wall of one side of the partition plate and corresponds to one fan frame, a heater is arranged in the heating box, a main air pipe is arranged on the side wall of one side of the heating box, an annular air outlet pipe is arranged at one end of the main air pipe, a plurality of air outlet holes are formed in the annular air outlet pipe, dustproof frame mounting holes, transparent plate mounting holes and exhaust dustproof screen mounting holes, the dustproof frame is arranged in the dustproof frame mounting hole, an air inlet cover, a dustproof net and moisture absorption cotton are arranged in the dustproof frame, a transparent plate is arranged in the transparent plate mounting hole, an exhaust dustproof net is arranged in the exhaust dustproof net mounting hole, a temperature sensor is arranged in the box body, a box cover plate is rotatably arranged on the box body, a sealing strip is arranged in the box body, and a display screen is arranged outside the box body.

By the structure, the temperature in the box body is sensed by the temperature sensor, the temperature in the box body is displayed on the display screen, when the temperature in the box body is overhigh, the air cooling part is started to reduce the temperature in the box body through air flow circulation with the outside air, when the temperature in the box body is overhigh, the heater is started, hot air in the heating box is uniformly blown into the box body through the annular air outlet pipe by the air cooling part, so that the temperature in the box body is raised, the heater is matched with the air cooling part for use, so that the temperature in the box body is kept constant, thereby the performance of the projector is not affected by the temperature change, and by arranging the dustproof net and the hygroscopic cotton, the dust removal and dehumidification are carried out on the air entering the box body from the outside, thereby achieving the effects of dust prevention and moisture prevention, the box body is further subjected to dustproof treatment by arranging the sealing strips and the exhaust dustproof net, so that the dustproof effect is good.

Preferably, the air cooling portion including set up in fan assembly in the fan frame, install in axis of rotation on the fan assembly, install in the bulb of axis of rotation one end, install in rotation axis on the bulb, set up in the motor of one of them fan frame one side, one of them fan frame, one side lateral wall on install and place the board, the motor is installed place the top of board, the output and one of them of motor rotation axis fixed connection, two all cup jointed the belt pulley on the rotation axis, two the tensioning has the belt on the belt pulley, install the holder in the fan frame, the rotation axis rotates and installs on the holder.

The motor drives the rotating shaft to rotate, the rotating shaft rotates to drive the ball head and the rotating shaft to rotate, the rotating shaft drives the fan assemblies to rotate, and the two fan assemblies are rotated through the belt pulley and the belt, so that effective cooling treatment is performed in the box body.

Preferably, one of the rotating shafts positioned on one side of the motor is sleeved with a top rod, and a plurality of arc-shaped blocks are annularly arranged on the inner wall of the fan frame at the position corresponding to the top rod.

Further, through setting up ejector pin and arc piece, the axis of rotation drives the ejector pin and rotates, and ejector pin and arc piece contact coordinate the bulb to promote the axis of rotation and swing, thereby realize the fan assembly swing, even blow to the inside of box, cool down the processing in the box.

Preferably, two grooves are formed in the side wall of one side of the box body and are communicated with the dustproof frame mounting hole, two limiting grooves are formed in the inner wall of each groove, two placing grooves are formed in the side wall of one side of the dustproof frame, guide posts are installed in the placing grooves and are sleeved on the guide posts, limiting pins and limiting springs are sleeved on the guide posts, the limiting pins are located at the tops of the limiting springs, one ends of the limiting pins extend into the limiting grooves, and the other ends of the limiting pins extend out of the placing grooves.

Further, press down the spacer pin, the spacer pin slides along the guide post, and the one end roll-off spacing groove of spacer pin takes out dustproof frame, through setting up spacing groove, spacer pin to be convenient for take out, install dustproof frame from dustproof frame mounting hole, thereby be convenient for change and clear up dust screen, the cotton absorption on the dustproof frame, through setting up spacing spring, make the spacer pin stabilize at the spacing inslot, thereby prevent dustproof frame roll-off from dustproof frame mounting hole.

Preferably, be equipped with the clamping ring in the dustproof frame mounting hole, be equipped with a plurality of pressure spring between clamping ring and the box, pressure spring's both ends respectively with clamping ring, box fixed connection, the clamping ring with dustproof frame is laminated mutually.

Furthermore, through pressure spring, clamping ring, when getting dustproof frame, under pressure spring's elastic force effect, the clamping ring promotes dustproof frame roll-off dustproof frame mounting hole, and the simple operation, dustproof frame compresses tightly at dustproof frame mounting hole simultaneously, makes it more stable.

Preferably, a sliding groove is formed in the inner wall of the transparent plate mounting hole, a brush plate is slidably mounted in the sliding groove, a moving groove is formed in the side wall of one side of the box body, the moving groove is communicated with the sliding groove, a handle is mounted on the side wall of one side of the brush plate, one end of the handle extends out of the moving groove, a brush is mounted on the side wall of the other side of the brush plate, and the brush is attached to the transparent plate.

Further, when the transparent plate changes because of ambient temperature, the surface frosts, when fogging, the pulling handle drives brush board, brush and removes in the sliding tray to make the brush clear up transparent plate surface frosting, fogging, clear up the dust on transparent plate surface equally, avoided transparent plate surface dust, frosting, fogging influence projector projection.

Preferably, all seted up on the both sides lateral wall of fixed frame and rotated the groove, rotate the inslot internal rotation and install the fixation clamp, the fixation clamp with be equipped with the fixation clamp spring between the fixed frame, the both ends of fixation clamp spring respectively with the fixation clamp fixed connection fixed frame.

Further, place the projector on fixed frame, through the fixation clamp, carry out the rigidity with the projector, through setting up the fixation clamp spring, make the fixation clamp spacing, make the fixation clamp keep pressing from both sides tightly the projector, prevent that the projector position is unstable, influence the projector projection.

Preferably, a plurality of plug mounting holes are formed in the box body, and plug connectors are mounted in the plug mounting holes.

Furthermore, through setting up a plurality of plug on the box, place the back with the projector, carry out the wiring through a plurality of plug, reduce the box and open and carry out the wiring number of times to the projector to reduce the dust and open and fall into the box because of the box, influence the normal use of projector.

Preferably, a box lock is arranged on the box cover plate.

To sum up, the utility model discloses a technological effect and advantage:

1. the utility model discloses it is rational in infrastructure, when the temperature is too high in the box, the air-cooled portion starts, through carrying out the air current circulation with the outside air, make the temperature in the box reduce, when the temperature in the box is too high, the heater starts, and through the air-cooled portion with the heating cabinet hot-air through the even blowing of annular play tuber pipe in to the box, make the temperature in the box rise, use through heater and air-cooled portion cooperation, make the temperature in the box keep invariable, thereby make the performance of projector not influenced by temperature variation, through setting up dust screen, moisture absorption cotton, remove dust and dehumidify to the outside air that gets into the box, thereby reach dustproof, dampproofing effect, further carry out dustproof treatment in the box through setting up sealing strip, exhaust dust screen, dustproof effectual;

2. in the utility model, the motor drives the rotating shaft to rotate by arranging the ejector rod and the arc-shaped block, the rotating shaft drives the ball head and the rotating shaft to rotate, the rotating shaft drives the ejector rod to rotate, the ejector rod is contacted with the arc-shaped block and is matched with the ball head, so that the rotating shaft is pushed to swing, the fan assembly swings, and the fan assembly is uniformly blown to the inside of the box body to cool the box body;

3. the utility model discloses in, press the spacer pin downwards, the spacer pin slides along the guide post, the one end roll-off spacing groove of spacer pin takes out the dustproof frame, through setting up spacing groove, the spacer pin, thereby be convenient for take out, install the dustproof frame from the dustproof frame mounting hole, thereby be convenient for change and clear up the dust screen on the dustproof frame, the cotton that absorbs moisture, through setting up spacing spring, make the spacer pin stabilize in the spacing groove, thereby prevent the dustproof frame from roll-off from the dustproof frame mounting hole, through pressure spring, clamping ring, when getting the dustproof frame, under the spring action of pressure spring, the clamping ring promotes the dustproof frame roll-off dustproof frame mounting hole, the simple operation, the dustproof frame compresses tightly at the dustproof frame mounting hole simultaneously, make it more stable;

4. in the utility model, when the surface of the transparent plate frosts and fogging due to the change of the external temperature, the handle is pulled to drive the brush plate and the brush to move in the sliding groove, so that the brush cleans the frosting and fogging on the surface of the transparent plate, and also cleans the dust on the surface of the transparent plate, thereby avoiding the influence of the frosting and fogging on the projection of the projector on the surface of the transparent plate;

5. the utility model discloses in, place the projector on fixed frame, through the fixation clamp, carry out the rigidity with the projector, through setting up the fixation clamp spring, it is spacing to make the fixation clamp, it presss from both sides tightly to make the fixation clamp keep the projector, prevent projector position unstability, influence the projector projection, through setting up a plurality of plug-in connectors on the box, place the back with the projector, work a telephone switchboard through a plurality of plug-in connectors, reduce the box and open and work a telephone switchboard the number of times to the projector, thereby reduce the dust and open and fall into the box because of the box, influence the normal use of projector.

Drawings

In order to more clearly illustrate the embodiments of the present application 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 application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of a first-view perspective structure of an outdoor projection fixed-installation box with constant-temperature and dustproof integrated design;

FIG. 2 is a schematic view of a second perspective structure of an outdoor projection fixed installation box with constant temperature and dustproof integrated design;

FIG. 3 is a schematic view of a first-view perspective structure inside an outdoor projection fixed-installation box with constant-temperature and dustproof integrated design;

FIG. 4 is a schematic view of a second perspective structure inside the outdoor projection fixed installation box with constant temperature and dustproof integrated design;

FIG. 5 is a schematic view of a partially cut-away perspective structure of an outdoor projection fixed-mounting box with a constant-temperature dustproof integrated design;

FIG. 6 is a first perspective view of the case;

FIG. 7 is a perspective view of the case at a second perspective;

FIG. 8 is an enlarged perspective view of the dust-proof frame;

FIG. 9 is an enlarged perspective view of the heater box;

FIG. 10 is an enlarged perspective view of the fixing frame;

FIG. 11 is an enlarged perspective view of the fan frame;

FIG. 12 is a partially enlarged view of FIG. 5;

fig. 13 is an enlarged schematic view of a portion a in fig. 12.

Reference numerals of the above figures: 1. a box body; 2. a box cover plate; 3. a plug; 4. a display screen; 5. a transparent plate; 6. a brush plate; 7. an exhaust dust screen; 8. an air intake hood; 9. a dust-proof frame; 10. a temperature sensor; 11. a fixing frame; 12. a heating box; 13. a sealing strip; 14. a fan assembly; 15. an annular air outlet pipe; 16. a fixing clip; 17. a fan frame; 18. placing the plate; 19. a transparent plate mounting hole; 20. a fan frame mounting hole; 21. a dust-proof frame mounting hole; 22. an exhaust dust screen mounting hole; 23. a plug mounting hole; 24. a groove; 25. a moving groove; 26. pressing a ring; 27. a compression spring; 28. a dust screen; 29. moisture absorption cotton; 30. a spacing pin; 31. a retaining clip spring; 32. a base; 33. a holder; 34. a ball head; 35. a top rod; 36. a motor; 37. an arc-shaped block; 38. a belt; 39. a limiting spring; 40. a limiting groove.

Detailed Description

In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

Please refer to FIGS. 1-13

Example (b): referring to fig. 1, the outdoor projection fixed installation box with constant temperature and dustproof integrated design includes a box body 1, and the box body 1 may be any one of metal box bodies in the prior art.

Specifically, the method comprises the following steps:

the box body 1 is internally provided with a partition board, and the partition board 1 and the box body 1 can be connected in any one of the prior art, such as welding.

Referring to fig. 1, 3 and 10, a base 32 is installed on the inner wall of the bottom of the box body 1, a fixing frame 11 is installed on the top of the base 32, and the base 32 and the box body 1 may be in a screw connection manner in the prior art. The fixing frame 11 and the base 32 can be connected by any means known in the art, such as welding.

As shown in fig. 1, 6 and 9, a pair of fan frame mounting holes 20 are formed in a side wall of the partition, a fan frame 17 is mounted in each of the fan frame mounting holes 20, a cooling portion is disposed in each of the fan frames 17, a heating box 12 is mounted on a side wall of the partition, and the heating box 12 and the partition may be in a screw connection manner in the prior art.

Referring to fig. 1 and 5, the heating box 12 corresponds to one of the fan frames 17, a heater is disposed in the heating box 12, a main air pipe is mounted on a side wall of one side of the heating box 12, an annular air outlet pipe 15 is mounted at one end of the main air pipe, and a plurality of air outlet holes are formed in the annular air outlet pipe 15, where it should be noted that the annular air outlet pipe 15 is mounted on an inner wall of the bottom of the box 1, and the air outlet holes face upward and uniformly blow air into the box 1.

Combine shown in fig. 2 and fig. 6, dustproof frame mounting hole 21 has been seted up on box 1, transparent plate mounting hole 19, exhaust dust screen mounting hole 22, be equipped with dustproof frame 9 in the dustproof frame mounting hole 21, be equipped with air inlet cover 8 in the dustproof frame 9, dustproof net 28, moisture absorption cotton 29, install transparent plate 5 in the transparent plate mounting hole 19, install exhaust dust screen 7 in the exhaust dust screen mounting hole 22, be equipped with temperature sensor 10 in the box 1, box cover board 2 is installed in rotating on the box 1, install sealing strip 13 in the box 1, box 1 is equipped with display screen 4 outward.

By the structure, the temperature in the box body 1 is sensed by the temperature sensor 10, the temperature in the box body 1 is displayed on the display screen 4, when the temperature in the box body 1 is overhigh, the air cooling part is started, the temperature in the box body 1 is reduced by air circulation with outside air, when the temperature in the box body 1 is overhigh, the heater is started, hot air of the heating box 12 is uniformly blown into the box body 1 through the annular air outlet pipe 15 by the air cooling part, the temperature in the box body 1 is increased, the temperature in the box body 1 is kept constant by matching the heater and the air cooling part, the performance of the projector is not influenced by temperature change, dust and moisture removal are carried out on the air entering the box body 1 from the outside by arranging the dust screen 28 and the moisture absorption cotton 29, thereby achieving the effects of dust and moisture prevention, the dust and moisture prevention are further carried out on the interior of the box body 1 by arranging the sealing strip 13 and the exhaust dust screen 7, the dustproof effect is good.

As a preferred embodiment in this embodiment, as shown in fig. 4, 5 and 11, the air cooling portion includes a fan assembly 14 disposed in a fan frame 17, a rotating shaft mounted on the fan assembly 14, a ball 34 mounted at one end of the rotating shaft, a rotating shaft mounted on the ball 34, and a motor 36 disposed at one side of one of the fan frames 17, a placing plate 18 is mounted on a side wall of one of the fan frames 17, the motor 36 is mounted on a top portion of the placing plate 18, an output end of the motor 36 is fixedly connected to one of the rotating shafts, pulleys are respectively sleeved on the two rotating shafts, a belt 38 is tensioned on the two pulleys, a retainer 33 is mounted in the fan frame 17, the rotating shaft is rotatably mounted on the retainer 33, and the motor 36 may be any one of the models in the prior art, such as model: 5IK120 RGN. It should be noted that, in the present embodiment, the ball head 34 is located in a ball groove at one end of the rotation shaft, and the ball groove is matched with the ball head 34, so that the ball head 34 can swing a certain angle in the ball groove.

As shown in fig. 11, the motor 36 drives the rotation shaft to rotate, the rotation shaft drives the ball 34 and the rotation shaft to rotate, the rotation shaft drives the fan assemblies 14 to rotate, and the two fan assemblies 14 are rotated through the belt pulley and the belt 38, so as to achieve effective cooling treatment of the inside of the box body 1.

As shown in fig. 12, a top bar 35 is sleeved on a rotating shaft at one side of the motor 36, and a plurality of arc blocks 37 are annularly installed on the inner wall of the fan frame 17 at the position corresponding to the top bar 35. It should be noted that, in this embodiment, an arc block 37 is installed in the fan frame 17 located at a side of the motor 36, the push rod 35 is installed on the rotating shaft, so that the fan assembly 14 swings, the arc block 37 is not installed in the other fan frame 17, the push rod 35 is not installed on the other rotating shaft, and the other fan assembly 14 does not swing. The number of the arc plates 17 may be two, three, four, and in this embodiment, the number of the arc blocks 37 is three.

Through setting up ejector pin 35 and arc piece 37, the axis of rotation drives ejector pin 35 and rotates, and ejector pin 35 and the contact of arc piece 37 cooperate bulb 34 to promote the axis of rotation and swing, thereby realize the swing of fan assembly 14, even blow to the inside of box 1, to the processing of cooling down in the box 1.

As a preferred implementation manner in this embodiment, as shown in fig. 7 and 13, two grooves 24 are formed in a side wall of the box body 1, the two grooves 24 are both communicated with the dustproof frame mounting hole 21, a limiting groove 40 is formed in an inner wall of each of the two grooves 24, two placing grooves are formed in a side wall of the dustproof frame 9, guide posts are mounted in the two placing grooves, a limiting pin 30 and a limiting spring 39 are sleeved on the two guide posts, the limiting pin 30 is located at the top of the limiting spring 39, one end of the limiting pin 30 extends into the limiting groove 40, and the other end of the limiting pin 30 extends out of the placing grooves. Press down the spacer pin 30, the spacer pin 30 slides along the guide post, the one end roll-off spacing groove 40 of spacer pin 30, take out dustproof frame 9, through setting up spacing groove 40, spacer pin 30, thereby be convenient for take out dustproof frame 9 from dustproof frame mounting hole 21, the installation, thereby be convenient for change and clear up the dust screen 28 on the dustproof frame 9, the cotton 29 that absorbs moisture, through setting up spacing spring 39, make spacer pin 30 stabilize in spacing groove 40, thereby prevent dustproof frame 9 from roll-off in the dustproof frame mounting hole 21.

As shown in fig. 8, a press ring 26 is provided in the dust-proof frame mounting hole 21, a plurality of compression springs 27 are provided between the press ring 26 and the box body 1, both ends of the compression springs 27 are fixedly connected to the press ring 26 and the box body 1, respectively, and the press ring 26 is attached to the dust-proof frame 9.

Through pressure spring 27, clamping ring 26, when getting dustproof frame 9, under pressure spring 27's elastic force effect, clamping ring 26 promotes dustproof frame 9 roll-off dustproof frame mounting hole 21, the simple operation, and dustproof frame 9 compresses tightly at dustproof frame mounting hole 21 simultaneously, makes it more stable.

As another preferred embodiment in this embodiment, as shown in fig. 1 and 7, a sliding groove is formed on an inner wall of the transparent plate mounting hole 19, the brush plate 6 is slidably mounted in the sliding groove, a moving groove 25 is formed on a side wall of the box body 1, the moving groove 25 is communicated with the sliding groove, a handle is mounted on a side wall of the brush plate 6, one end of the handle extends out of the moving groove 25, a brush is mounted on the other side wall of the brush plate 6, and the brush is attached to the transparent plate 5.

When the transparent plate 5 changes because of ambient temperature, when frosting, fogging on the surface, pulling handle drives brush board 6, brush and removes in the sliding tray to make the brush clear up 5 surperficial frostings, fogging of transparent plate, clear up the dust on 5 surperficial of transparent plate equally, avoided 5 surperficial dust, frosting, fogging of transparent plate to influence the projector projection.

As a preferred embodiment in this embodiment, referring back to fig. 4, rotation grooves are formed on both side walls of the fixing frame 11, the fixing clip 16 is rotatably mounted in the rotation grooves, a fixing clip spring 31 is disposed between the fixing clip 16 and the fixing frame 11, and both ends of the fixing clip spring 31 are fixedly connected to the fixing clip 16 and the fixing frame 11, respectively.

The projector is placed on the fixing frame 11, the projector is fixed in position through the fixing clamp 16, the fixing clamp 16 is limited through the fixing clamp spring 31, the fixing clamp 16 keeps clamping the projector, and the situation that the projector is affected by unstable position of the projector is prevented.

In this embodiment, referring to fig. 6, a plurality of plug mounting holes 23 are formed in the box 1, and the plug 3 is mounted in each of the plug mounting holes 23. Through setting up a plurality of plug 3 on box 1, place the projector after, carry out the wiring through a plurality of plug 3, reduce box 1 and open and carry out the wiring number of times to the projector to reduce the dust and open and fall into box 1 because of box 1, influence the normal use of projector.

In this embodiment, the box lock is provided on the box cover plate 2.

The utility model discloses the theory of operation:

opening the box cover plate 2, placing the projector on the fixing frame 11, fixing the position of the projector through the fixing clamp 16 and the fixing clamp spring 31, and connecting the projector through the plurality of plug connectors 3; the temperature in the box body 1 is sensed through the temperature sensor 10, the temperature in the box body 1 is displayed on the display screen 4, when the temperature in the box body 1 is too high, the motor 36 drives the rotating shaft to rotate, the rotating shaft rotates to drive the ball head 34 and the rotating shaft to rotate, the rotating shaft drives the fan assemblies 14 to rotate, the two fan assemblies 14 are rotated through belt pulleys and belts 38, one fan assembly 14 is provided with the ejector rod 35 and the arc-shaped block 37, the rotating shaft drives the ejector rod 35 to rotate, the ejector rod 35 is in contact with the arc-shaped block 37 and is matched with the ball head 34, so that the rotating shaft is pushed to swing, the fan assemblies 14 swing are uniformly blown to the inside of the box body 1, and the temperature in the box body 1 is reduced through air flow circulation with; when the temperature in the box body 1 is too high, the heater is started, hot air in the heating box 12 is uniformly blown into the box body 1 through the annular air outlet pipe 15 by the air cooling part, so that the temperature in the box body 1 is raised, and the temperature in the box body 1 is kept constant by matching the heater with the air cooling part, so that the performance of the projector is not influenced by temperature change; the dust-proof and moisture-proof effects are achieved by arranging the dust-proof net 28 and the moisture absorption cotton 29 to remove dust and moisture from the outside air entering the box body 1, and the dust-proof effect is good by arranging the sealing strip 13 and the exhaust dust-proof net 7 to further perform dust-proof treatment in the box body 1; when the surface of the transparent plate 5 is frosted and fogged due to the change of the external temperature, the handle is pulled to drive the brush plate 6 and the brush to move in the sliding groove, so that the brush cleans the frosted and fogged surface of the transparent plate 5, and also cleans the dust on the surface of the transparent plate 5, thereby avoiding the influence of the frosted and fogged dust on the surface of the transparent plate 5 on the projection of the projector; pressing down the spacer pin 30, the spacer pin 30 slides along the guide post, the one end roll-off spacing groove 40 of spacer pin 30, take out dustproof frame 9, through setting up spacing groove 40, spacer pin 30, thereby be convenient for take out dustproof frame 9 from dustproof frame mounting hole 21, the installation, thereby be convenient for change and clear up the dust screen 28 on the dustproof frame 9, the cotton 29 that absorbs moisture, through setting up limiting spring 39, make spacer pin 30 stabilize in spacing groove 40, thereby prevent dustproof frame 9 roll-off from dustproof frame mounting hole 21, through pressure spring 27, clamping ring 26, when getting dustproof frame 9, under pressure spring 27's elastic force effect, clamping ring 26 promotes dustproof frame 9 roll-off dustproof frame mounting hole 21, and is convenient for operation, dustproof frame 9 compresses tightly at dustproof frame mounting hole 21 simultaneously, make it more stable.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (9)

1. The utility model provides an outdoor projection fixed mounting case of dustproof integrated design of constant temperature, includes box (1), its characterized in that: be equipped with the baffle in box (1), install base (32) on the bottom inner wall of box (1), fixed frame (11) are installed at the top of base (32), a pair of fan frame mounting hole (20) have been seted up on one side lateral wall of baffle, and is a pair of all install fan frame (17) in fan frame mounting hole (20), and is a pair of all be equipped with the cooling portion in fan frame (17), install heating cabinet (12) on the lateral wall of baffle one side, heating cabinet (12) and one of them the position of fan frame (17) is corresponding, be equipped with the heater in heating cabinet (12), install main tuber pipe on one side lateral wall of heating cabinet (12), annular play tuber pipe (15) is installed to the one end of tuber pipe, be provided with a plurality of exhaust vents on annular play tuber pipe (15), dustproof frame mounting hole (21) have been seted up on box (1), Transparent plate mounting hole (19), exhaust dust screen mounting hole (22), be equipped with dustproof frame (9) in dustproof frame mounting hole (21), be equipped with air inlet cover (8), dust screen (28), cotton (29) of moisture absorption in dustproof frame (9), install transparent plate (5) in transparent plate mounting hole (19), install exhaust dust screen (7) in exhaust dust screen mounting hole (22), be equipped with temperature sensor (10) in box (1), rotate on box (1) and install case apron (2), install sealing strip (13) in box (1), box (1) is equipped with display screen (4) outward.

2. The outdoor projection fixed mounting box of constant temperature dustproof integrated design of claim 1, characterized in that: the air cooling portion comprises a fan assembly (14) arranged in a fan frame (17), a rotating shaft arranged on the fan assembly (14), a ball head (34) arranged at one end of the rotating shaft, a rotating shaft arranged on the ball head (34), and a motor (36) arranged on one side of one fan frame (17), wherein one side wall of the fan frame (17) is provided with a placing plate (18), the motor (36) is arranged at the top of the placing plate (18), the output end of the motor (36) is fixedly connected with the rotating shaft, two belt pulleys are sleeved on the rotating shaft, two belts (38) are tensioned on the belt pulleys, a retainer (33) is arranged in the fan frame (17), and the rotating shaft is rotatably arranged on the retainer (33).

3. The outdoor projection fixed mounting box of the dustproof integrated design of constant temperature of claim 2, characterized in that: one of the rotating shafts positioned on one side of the motor (36) is sleeved with a mandril (35), and a plurality of arc-shaped blocks (37) are annularly arranged on the inner wall of the fan frame (17) at the position corresponding to the mandril (35).

4. The outdoor projection fixed mounting box of constant temperature dustproof integrated design of claim 1, characterized in that: seted up two recess (24) on one side lateral wall of box (1), two recess (24) all with dustproof frame mounting hole (21) are linked together, two spacing groove (40) have all been seted up on the inner wall of recess (24), two standing grooves have been seted up on one side lateral wall of dustproof frame (9), two all install the guide post in the standing groove, two spacer pin (30), spacing spring (39) have all been cup jointed on the guide post, spacer pin (30) are located spacing spring (39) top, the one end of spacer pin (30) extends to in spacing groove (40), and the other end of spacer pin (30) extends to outside the standing groove.

5. The outdoor projection fixed mounting box of constant temperature dustproof integrated design of claim 1, characterized in that: be equipped with clamping ring (26) in dustproof frame mounting hole (21), be equipped with a plurality of pressure spring (27) between clamping ring (26) and box (1), the both ends of pressure spring (27) respectively with clamping ring (26), box (1) fixed connection, clamping ring (26) with dustproof frame (9) laminate mutually.

6. The outdoor projection fixed mounting box of constant temperature dustproof integrated design of claim 1, characterized in that: the sliding groove has been seted up on the inner wall of transparent plate mounting hole (19), slidable mounting has brush board (6) in the sliding groove, shifting chute (25) have been seted up on one side lateral wall of box (1), shifting chute (25) with the sliding groove communicates mutually, install the handle on one side lateral wall of brush board (6), the one end of handle extends to outside shifting chute (25), install the brush on the opposite side lateral wall of brush board (6), the brush with transparent plate (5) laminate mutually.

7. The outdoor projection fixed mounting box of constant temperature dustproof integrated design of claim 1, characterized in that: all seted up on the both sides lateral wall of fixed frame (11) and rotated the groove, it installs fixation clamp (16) to rotate the inslot internal rotation, fixation clamp (16) with be equipped with fixation clamp spring (31) between fixed frame (11), the both ends of fixation clamp spring (31) respectively with fixation clamp (16) fixed connection fixed frame (11).

8. The outdoor projection fixed mounting box of constant temperature dustproof integrated design of claim 1, characterized in that: the box body (1) is provided with a plurality of plug mounting holes (23), and the plug mounting holes (23) are internally provided with plug connectors (3).

9. The outdoor projection fixed mounting box of constant temperature dustproof integrated design of claim 1, characterized in that: and a box lock is arranged on the box cover plate (2).

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