CN221326927U

CN221326927U - Projection equipment for multimedia classroom teaching

Info

Publication number: CN221326927U
Application number: CN202323065393.8U
Authority: CN
Inventors: 冯宇睿; 张德果; 赵娇
Original assignee: Sichuan Zhongsen Tongyue Technology Co ltd
Current assignee: Sichuan Zhongsen Tongyue Technology Co ltd
Priority date: 2023-11-13
Filing date: 2023-11-13
Publication date: 2024-07-12
Anticipated expiration: 2033-11-13

Abstract

The utility model discloses a projection device for teaching in a multimedia classroom, which relates to the technical field of multimedia projection and improves the technical field of multimedia classroom teaching. According to the utility model, the cooling plate can utilize the cooling pipe inside to reduce important parts in contact with the cooling plate, and the flowing cooling liquid is matched with the air outlet fan to rapidly dissipate heat.

Description

Projection equipment for multimedia classroom teaching

Technical Field

The utility model relates to the technical field of multimedia projection, in particular to projection equipment for teaching in a multimedia classroom.

Background

The projection device is a device capable of projecting images or videos onto a curtain, and can be connected with a computer through different interfaces to play corresponding video signals, and is widely applied to families, offices, schools and entertainment places, and different types of CRT, LCD, DLP and the like are available according to different working modes.

The projector for teaching of the modern education multimedia classroom disclosed by the utility model (bulletin number: CN 214751279U) comprises a projector body, wherein a projection lens is fixedly arranged in the middle of the front end of the projector body, radiating holes are fixedly arranged at the left end of the front end of the projector body and are distributed at the left end of the front end of the projector body at equal intervals, a supporting base is fixedly arranged in the middle of the upper end of the projector body, a cover plate is movably arranged in the inner side of the upper end of the supporting base, a hanging rod is fixedly arranged in the middle of the upper end of the cover plate, a sealing cover is movably arranged at the lower end of the hanging rod, the sealing cover is rotatably connected with the cover plate, a telescopic sleeve is movably arranged at the outer side of the upper end of the hanging rod, the hanging rod extends to the inside of the telescopic sleeve, and a mounting rod is fixedly arranged at the upper end of the telescopic sleeve.

In the process of realizing the utility model, the inventor finds that at least the following problems exist in the technology, the projector for classroom teaching is fixed with a heat dissipation hole at the left end, and still is used for traditional passive heat dissipation, but in the actual teaching process, one projector can continuously work for several hours, and the continuous work can cause damage to electronic elements in the projector when the temperature is high in summer, so that the course is delayed, therefore, the utility model provides a projection device for multimedia classroom teaching.

Disclosure of utility model

In order to improve the problem that a projector for classroom teaching is fixed with a heat dissipation hole at the left end and still dissipates heat passively in the prior art, but in the actual teaching process, one projector can continuously work for several hours, and electronic elements in the projector can be damaged when continuously working at high temperature in summer, so that courses are delayed.

The utility model provides a projection device for multimedia classroom teaching, which adopts the following technical scheme:

The utility model provides a projection equipment for multimedia classroom teaching, includes the projecting apparatus, and sets up the cooling plate in the projecting apparatus inside to and be located the small-size water pump of cooling plate below, the left side top of projecting apparatus is provided with the dust screen, spout second has been seted up on the middle right of projecting apparatus, the inside of spout second is provided with the viscidity filter, spout first has been seted up on the right side of projecting apparatus, spout first's inside is provided with the air inlet grille, the inside right side of projecting apparatus is provided with the air inlet fan, the inside of cooling plate is provided with radiator fin, the cooling tube wears to be equipped with in the middle of radiator fin, the top of cooling plate is connected with out the air fan, the one end of cooling plate is provided with the outlet pipe, the outlet end of small-size water pump is connected with the inlet tube, the other end of small-size water pump is connected with the stock solution storehouse

Through adopting above-mentioned technical scheme, when increasing projecting apparatus radiating efficiency, reduce the influence that produces electronic parts behind the dust granule entering projecting apparatus in the air.

Optionally, a lens is fixed in front of the projector.

By adopting the technical scheme, when the projector works, the fixed lens is used for projecting the content.

Optionally, handles are arranged at one ends of the adhesive filter plate and the air inlet grille.

By adopting the technical scheme, the adhesive filter plate and the air inlet grille are conveniently pulled out of the projector.

Optionally, the air inlet grille forms a sliding structure with the projector through the first chute, and the air inlet grille is mutually perpendicular to the horizontal plane.

By adopting the technical scheme, the difficulty of pulling out or loading the air inlet grille into the projector is reduced, and the time is saved.

Optionally, the adhesive filter plate forms a sliding structure with the projector through the second chute, and the adhesive filter plate is mutually perpendicular to the horizontal plane.

By adopting the technical scheme, the difficulty of pulling out or loading the adhesive filter plate into the projector is reduced, and the time is saved

Optionally, the structure of the viscous filter plate is a hollowed-out net structure.

By adopting the technical scheme, the large particle dust can be intercepted while the air is not influenced to enter the projector, so that the influence on the electronic element is prevented.

Optionally, the liquid storage bin is communicated with the cooling plate through a small water pump, a water inlet pipe and a water outlet pipe.

Through adopting above-mentioned technical scheme, improve radiating efficiency through the coolant liquid, cyclic utilization coolant liquid cools down.

In summary, the utility model has the following beneficial effects:

1. According to the utility model, the adhesive filter plate is arranged, so that the possibility that large particle dust in the air enters the projector to influence electronic elements is reduced while the radiating effect is not influenced, and meanwhile, the electronic elements are conveniently replaced by matching with the sliding groove II, so that the time and the labor are saved;

2. according to the utility model, the cooling plate can utilize the cooling pipe inside to reduce important parts in contact with the cooling plate, and the flowing cooling liquid is matched with the air outlet fan to rapidly dissipate heat.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

FIG. 2 is a schematic view of the adhesive filter plate of the present utility model.

Fig. 3 is a schematic view of the left internal structure of the present utility model.

Fig. 4 is an enlarged partial structure diagram of fig. 1 a according to the present utility model.

Reference numerals illustrate:

1. A projector; 2. a lens; 3. an air outlet fan; 4. a cooling plate; 5. a water inlet pipe; 6. an adhesive filter plate; 7. an air intake grille; 8. a handle; 9. a dust screen; 10. a first chute; 11. an air intake fan; 12. a second chute; 13. a cooling tube; 14. a heat radiation fin; 15. a small water pump; 16. a liquid storage bin; 17. and a water outlet pipe.

Detailed Description

The application is described in further detail below with reference to fig. 1-4.

Referring to fig. 1 to 4, a projection apparatus for multimedia classroom teaching includes a projector 1, a cooling plate 4 disposed inside the projector 1, and a small water pump 15 disposed below the cooling plate 4.

Referring to fig. 1 and 2, a dust screen 9 is disposed at the top of the left side of the projector 1, a sliding groove second 12 is disposed at the right side of the middle of the projector 1, an adhesive filter plate 6 is disposed in the sliding groove second 12, the adhesive filter plate 6 is of a hollow net structure, a sliding structure is formed between the sliding groove second 12 and the projector 1, the adhesive filter plate 6 is mutually perpendicular to a horizontal plane, larger dust particles in air are intercepted when passing through the adhesive filter plate 6, a sliding groove first 10 is disposed at the right side of the projector 1, an air inlet grille 7 is disposed in the sliding groove first 10, the air inlet grille 7 forms a sliding structure with the projector 1 through the sliding groove first 10, the air inlet grille 7 is mutually perpendicular to the horizontal plane, handles 8 are disposed at one ends of the adhesive filter plate 6 and the air inlet grille 7, an air inlet fan 11 is disposed at the right side of the inner of the projector 1, a lens 2 is fixed in front of the projector 1, the lens 2 is started after the projector 1 starts to project, when cleaning the projector 1 is required, the handles 8 on the rear sides of the filter plate 6 and the air inlet grille 7 are pulled out respectively, and the adhesive filter plate 6 and the air inlet grille 7 are pulled out respectively through the sliding groove second 12 and the sliding groove first 10 and the air inlet grille 7 are replaced.

Referring to fig. 3 and 4, a cooling fin 14 is arranged in the cooling plate 4, a cooling pipe 13 is arranged in the middle of the cooling fin 14 in a penetrating manner, an air outlet fan 3 is connected above the cooling plate 4, a water outlet pipe 17 is arranged at one end of the cooling plate 4, a water inlet pipe 5 is connected to the water outlet end of a small water pump 15, a liquid storage bin 16 is connected to the other end of the small water pump 15, the liquid storage bin 16 is communicated with the cooling plate 4 through the small water pump 15, the water inlet pipe 5 and the water outlet pipe 17, the air inlet fan 11 is started to bring air into the projector 1, the small water pump 15 is started, the small water pump 15 is used for pumping cooling liquid in the liquid storage bin 16, the cooling pipe 13 is used for pumping the cooling liquid into the cooling plate 4 through the water inlet pipe 5, high-temperature gas generated in the projector 1 is discharged through a dustproof net 9 in cooperation with the cooling fin 14 and the air outlet fan 3, and the cooling liquid in the cooling pipe 13 is cooled and then returns to the liquid storage bin 16 through the water outlet pipe 17.

The implementation principle of the utility model is as follows: the projector 1 starts the back camera lens 2 and starts the projection, the air inlet fan 11 starts, take the air into in the projector 1, great dust particle in the air will be intercepted when viscidity filter 6, will start small-size water pump 15, the coolant liquid in liquid storage bin 16 is drawn to small-size water pump 15, pass through inlet tube 5 and pump the cooling tube 13 in the cooling plate 4, cooperate fin 14 and air-out fan 3 to the high temperature gas that produces in the projector 1 through dust screen 9 discharge, the coolant liquid in the cooling tube 13 is through outlet pipe 17 reconveying liquid storage bin 16 after cooling, when need clear up projector 1, pull the handle 8 that is located viscidity filter 6 and air inlet grille 7 rear side respectively, change and wash after viscidity filter 6 and air inlet grille 7 are pulled out through spout two 12 and spout 10 respectively.

The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. Projection equipment for multimedia classroom teaching, including projector (1), and set up inside cooling plate (4) of projector (1), and be located small-size water pump (15) of cooling plate (4) below, its characterized in that: the utility model discloses a projector, including projecting apparatus, cooling plate, air inlet grid (7), air inlet fan (11), cooling plate (4), air outlet fan (3) have been seted up on the left side top of projecting apparatus (1), spout two (12) have been seted up on the middle right of projecting apparatus (1), the inside of spout two (12) is provided with viscidity filter (6), spout one (10) have been seted up on the right side of projecting apparatus (1), the inside of spout one (10) is provided with air inlet grid (7), the inside right side of projecting apparatus (1) is provided with air inlet fan (11), cooling plate (4) are inside to be provided with radiator fin (14), cooling tube (13) have been worn to be equipped with in the centre of radiator fin (14), the top of cooling plate (4) is connected with air-out fan (3), the one end of cooling plate (4) is provided with outlet pipe (17), the water outlet end of small-size water pump (15) is connected with inlet tube (5), the other end of small-size water pump (15) is connected with stock solution storehouse (16).

2. A projection device for multimedia classroom teaching as recited in claim 1, wherein: a lens (2) is fixed in front of the projector (1).

3. A projection device for multimedia classroom teaching as recited in claim 1, wherein: one ends of the viscous filter plate (6) and the air inlet grille (7) are provided with handles (8).

4. A projection device for multimedia classroom teaching as recited in claim 1, wherein: the air inlet grille (7) and the projector (1) form a sliding structure through the first sliding chute (10), and the air inlet grille (7) is mutually perpendicular to the horizontal plane.

5. A projection device for multimedia classroom teaching as recited in claim 1, wherein: the adhesive filter plate (6) forms a sliding structure with the projector (1) through a second sliding chute (12), and the adhesive filter plate (6) is mutually perpendicular to the horizontal plane.

6. A projection device for multimedia classroom teaching as recited in claim 1, wherein: the structure of the viscous filter plate (6) is a hollowed-out net structure.

7. A projection device for multimedia classroom teaching as recited in claim 1, wherein: the liquid storage bin (16) is communicated with the cooling plate (4) through a small water pump (15), a water inlet pipe (5) and a water outlet pipe (17).