CN215569571U

CN215569571U - Multi-functional projecting apparatus for wisdom classroom

Info

Publication number: CN215569571U
Application number: CN202121659592.XU
Authority: CN
Inventors: 刘亚美
Original assignee: Shandong Xinjing Information Technology Co ltd
Current assignee: Shandong Xinjing Information Technology Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-01-18
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses a multifunctional projection device for a smart classroom, which belongs to the technical field of multifunctional projection and comprises a mounting plate, wherein a fixed block is fixedly arranged below the mounting plate, and a protective cover is fixedly arranged below the fixed block. The fan blade is driven by the motor to rotate, the fan blade blows outside air into the projector to cool the inside, when air is sucked, the air firstly passes through the filter screen, dust in the air is firstly filtered by the filter screen, circulation of the air in the projector can be increased, and therefore the heat dissipation effect in the projector is enhanced.

Description

Multi-functional projecting apparatus for wisdom classroom

Technical Field

The utility model belongs to the technical field of multifunctional projection, and particularly relates to a multifunctional projection device for a smart classroom.

Background

The projector is a device capable of projecting images or videos onto a curtain, can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV and the like through different interfaces to play corresponding video signals, is widely applied to families, offices, schools and entertainment places, and has different types such as CRT, LCD, DLP and the like according to different working modes.

And current wisdom is dustproof effect of projection arrangement poor for classroom, leads to the life of projecting apparatus to reduce, and the radiating effect is not good simultaneously, and inhales a large amount of dusts easily at the heat dissipation in-process, influences the normal use of inside components and parts, leads to the projecting apparatus fragile, moreover because the classroom in wisdom classroom is big for mr's supervision can not arrive all students, leads to the teaching quality to reduce.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of poor dustproof effect, poor heat dissipation effect and low teaching quality, and provides a multifunctional projection device for a smart classroom.

The technical scheme adopted by the utility model is as follows: the utility model provides a multi-functional projecting apparatus for wisdom classroom, includes the mounting panel, the fixed block that is provided with in mounting panel below, the fixed protection casing that is provided with in fixed block below, the inside fixed electric telescopic handle that is provided with of protection casing, the fixed plate that is provided with in electric telescopic handle below, fixed plate below fixed mounting has the shell, the fixed filter screen that is provided with in shell one side, the fixed mount that is provided with in filter screen department is close to in the shell inside, the fixed motor that is provided with on the mount, motor one side is rotated and is provided with the flabellum, the fixed heat radiation fins that is provided with in shell rear, the fixed rotatory camera that is provided with in shell below, the fixed projector that is provided with in the middle of the shell is inside.

Wherein, the filter screen is provided with two, and is the symmetry setting.

Wherein, mount, motor and flabellum all are provided with two, and are the symmetry setting, and the motor passes through the pivot and is connected with the flabellum.

The number of the radiating fins is two, and the radiating fins are made of aluminum alloy.

Wherein, rotatory camera signal connection has the display screen, and the display screen setting is on the podium.

The electric telescopic rod, the projector, the motor and the rotary camera are all electrically connected with an external power supply.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. the fan blade is driven by the motor to rotate, the fan blade blows outside air into the projector to cool the inside, when air is sucked, the air firstly passes through the filter screen, dust in the air is firstly filtered by the filter screen, circulation of the air in the projector can be increased, and therefore the heat dissipation effect in the projector is enhanced.

2. After the dust-proof device is used, the electric telescopic rod is started to be contracted, the projector is retracted into the protective cover, the projector can be prevented from falling on dust, the influence of the dust on the use effect of the projector body is reduced, the dust is prevented from entering the projector when air is blown for heat dissipation through the filter screen, the influence on the projector is avoided, the service life of the projector is shortened, and the dust-proof device has a good dust-proof effect.

3. The intelligent teaching platform is provided with the rotary camera, the rotary camera is in signal connection with the display screen, the display screen is arranged on the platform, and the rotary camera can carry out all-dimensional shooting on the surrounding environment in the teaching process, so that whether students listen to or not can be monitored, the teaching quality is improved, and the problem of teaching quality reduction caused by the fact that teachers cannot supervise all students due to the fact that the classroom of an intelligent classroom is large is solved.

Drawings

FIG. 1 is a schematic diagram of the front view structure of the present invention;

FIG. 2 is a schematic diagram of a rear view structure in the present invention;

FIG. 3 is a schematic diagram of a side view structure of the present invention.

The labels in the figure are: 1. mounting a plate; 101. a fixed block; 102. a protective cover; 2. an electric telescopic rod; 201. a fixing plate; 3. a housing; 301. a filter screen; 302. a fixed mount; 303. a motor; 304. a fan blade; 305. heat dissipation fins; 4. rotating the camera; 5. a projector.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the utility model:

referring to fig. 1-3, a multifunctional projection device for a smart classroom, including a mounting plate 1, a fixing block 101 is fixedly arranged below the mounting plate 1, a protective cover 102 is fixedly arranged below the fixing block 101, an electric telescopic rod 2 is fixedly arranged inside the protective cover 102, a fixing plate 201 is fixedly arranged below the electric telescopic rod 2, a housing 3 is fixedly arranged below the fixing plate 201, a filter screen 301 is fixedly arranged on one side of the housing 3, a fixing frame 302 is fixedly arranged at a position close to the filter screen 301 inside the housing 3, a motor 303 is fixedly arranged on the fixing frame 302, a fan blade 304 is rotatably arranged on one side of the motor 303, a heat dissipation fin 305 is fixedly arranged behind the housing 3, a rotary camera 4 is fixedly arranged below the housing 3, and a projector 5 is fixedly arranged in the middle of the housing 3.

Further, filter screen 301 is provided with two, and be the symmetry setting, at first pass through locking bolt fixed with mounting panel 1 and indoor top, then start electric telescopic handle 2, make electric telescopic handle 2 extend downwards, then drive fixed plate 201 downstream, fixed plate 201 drives projector 5 downstream, make projector 5 shift out from protection casing 102, then open projector 5, in the use of projector 5 in-process, starter motor 303, make motor 303 drive flabellum 304 and rotate, flabellum 304 blows in projector 5 inside with external air, cool down to inside, can pass through filter screen 301 earlier during the air intake, make filter screen 301 filter the dust in the air earlier.

Further, mount 302, motor 303 and flabellum 304 all are provided with two, and be the symmetry setting, motor 303 is connected with flabellum 304 through the pivot, in the use of projector 5 in-process, starter motor 303, make motor 303 drive flabellum 304 and rotate, flabellum 304 blows in the air of external into projector 5 inside, cool down to inside, can pass through filter screen 301 earlier during the inspiratory air, make filter screen 301 filter the dust in the air earlier, can increase the circulation of the inside air of projector 5, thereby strengthen the inside radiating effect of projector 5.

Further, the number of the heat dissipation fins 305 is two, the heat dissipation fins 305 are aluminum alloy heat dissipation fins 305, the motor 303 drives the fan blade 304 to rotate, the fan blade 304 blows outside air into the projector 5 to cool the inside, and meanwhile, the heat dissipation fins 305 are aluminum alloy heat dissipation fins 305, and aluminum is characterized by being small in density and light in weight, being a good thermal conductor and having a thermal conductivity 3 times larger than that of iron, and being capable of absorbing heat inside the projector 5 and increasing a heat dissipation effect.

Further, 4 signal connection of rotatory camera has the display screen, the display screen sets up on the podium, rotatory camera 4 can carry out all-round making a video recording to the surrounding environment at teaching in-process, make it can monitor whether the student listens to and speaks, increase the teaching quality, after the use is accomplished, start electric telescopic handle 2, make electric telescopic handle 2 contract, withdraw protection casing 102 with projector 5, make it can avoid projector 5 to fall on the dust, reduce the result of use that the dust influences projector 5 body, avoid when blowing the heat dissipation in the dust gets into projector 5 through setting up filter screen 301, thereby cause the influence to reduce projector 5's life to projector 5, can play good dustproof effect to the device.

Further, the electric telescopic rod 2, the projector 5, the motor 303 and the rotary camera 4 are all electrically connected with an external power supply.

The working principle is as follows: firstly, fixing a mounting plate 1 and the indoor top through a locking bolt, then starting an electric telescopic rod 2 to extend the electric telescopic rod 2 downwards, then driving a fixing plate 201 to move downwards, the fixing plate 201 drives a projector 5 to move downwards, so that the projector 5 is moved out of a protective cover 102, then opening the projector 5, in the using process of the projector 5, starting a motor 303 to drive a fan blade 304 to rotate, the fan blade 304 blows outside air into the projector 5 to cool the inside, the air is sucked through a filter screen 301, so that dust in the air is filtered by the filter screen 301, the air is blown into the projector 5 to exhaust all heat absorbed air in time when the fan blade 304 blows air to cool, at the moment, the heat dissipation fins 305 can suck out heat in hot air, and the heat dissipation fins 305 are made of aluminum alloy, the characteristics of aluminium are that density is little, light in weight to aluminium is hot good conductor, and its heat conduction ability is 3 times bigger than iron, and the material that adopts aluminium can be faster when absorbing the heat, increases the radiating effect, and after the use was accomplished, start electric telescopic handle 2, make electric telescopic handle 2 shrink, withdraw protection casing 102 with projector 5, make it can avoid projector 5 to fall the dust, reduce the result of use that the dust influences projector 5 bodies.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a multi-functional projecting apparatus for wisdom classroom, includes mounting panel (1), its characterized in that: a fixed block (101) is fixedly arranged below the mounting plate (1), a protective cover (102) is fixedly arranged below the fixed block (101), an electric telescopic rod (2) is fixedly arranged in the protective cover (102), a fixing plate (201) is fixedly arranged below the electric telescopic rod (2), a shell (3) is fixedly arranged below the fixing plate (201), a filter screen (301) is fixedly arranged on one side of the shell (3), a fixed frame (302) is fixedly arranged in the shell (3) near the filter screen (301), the fixed frame (302) is fixedly provided with a motor (303), one side of the motor (303) is rotatably provided with fan blades (304), the improved multifunctional camera is characterized in that a radiating fin (305) is fixedly arranged at the rear of the shell (3), a rotary camera (4) is fixedly arranged below the shell (3), and a projector (5) is fixedly arranged in the middle of the inside of the shell (3).

2. The multifunctional projection device for smart classroom as claimed in claim 1, wherein: the filter screen (301) is provided with two, and is the symmetry setting.

3. The multifunctional projection device for smart classroom as claimed in claim 1, wherein: the fixing frame (302), the motor (303) and the fan blades (304) are arranged in two symmetrical modes, and the motor (303) is connected with the fan blades (304) through a rotating shaft.

4. The multifunctional projection device for smart classroom as claimed in claim 1, wherein: the number of the radiating fins (305) is two, and the radiating fins (305) are made of aluminum alloy.

5. The multifunctional projection device for smart classroom as claimed in claim 1, wherein: rotatory camera (4) signal connection has the display screen, and the display screen setting is on the podium.

6. The multifunctional projection device for smart classroom as claimed in claim 1, wherein: electric telescopic handle (2), projector (5), motor (303) and rotatory camera (4) all with external power electric connection.