CN210839822U

CN210839822U - Projection arrangement for movie & TV is shot

Info

Publication number: CN210839822U
Application number: CN201922396493.6U
Authority: CN
Inventors: 冷晓军
Original assignee: Xinqi Culture Media Yangzhou Co ltd
Current assignee: Xinqi Culture Media Yangzhou Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-06-23
Anticipated expiration: 2029-12-27

Abstract

The utility model provides a projection arrangement is used in movie & TV shooting relates to the movie & TV and shoots the field. The table comprises a supporting table top, wherein supporting legs are fixedly mounted on the lower surface of the supporting table top, a rubber pad is fixedly mounted on the upper surface of the supporting table top, and an adjusting device is fixedly mounted on the upper surface of the rubber pad. This projection arrangement for movie & TV is shot, through the cooperation that sets up servo motor and driving gear and driven gear and axis of rotation, it rotates to drive the driving gear through servo motor, make the driving gear drive driven gear and axis of rotation rotate, thereby can control rotation regulation to projection arrangement, through the cooperation that sets up air inlet window and air-out window and projection lens and flabellum, it rotates to drive the flabellum through driving motor, get into external natural wind from the air inlet window, take away the heat through electrical components, then from air-out window exhaust external, cool down the inside electrical components of projection arrangement dispels the heat, improve the quality of projection picture.

Description

Projection arrangement for movie & TV is shot

Technical Field

The utility model relates to a technical field is shot to the movie & TV, specifically is a projection arrangement is used in movie & TV shooting.

Background

The projector is also called a projector, is a device which can project images or videos onto a curtain, and 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. The projector is widely applied to families, offices, schools and entertainment places, different types such as CRT, LCD and DLP exist according to different working modes, along with the development of scientific technology, the number of projectors is increased, functions are enhanced, great help is brought to people, and the effect brought by the projector for movie and television shooting is particularly important. A projection optical instrument for providing a large-size screen. On the basis of the direct projection projector, a reflector is added to change the light path, so that the image of the projection film flatly placed on the object carrying glass is projected onto the screen. The condensing lens is large, so that the projection device can be used for showing various large-size projection single sheets or rolled sheets which are manufactured in advance or written on site, projection teaching aids made of transparent materials and the like. Compared with a slide show, the slide show has the following characteristics: the device can be used for directly writing on the projection sheet to replace a blackboard; the distance from the screen is short, but a large and bright image can be generated; when in use, tight shading is not needed; the demonstration experiment can be carried out by using the projection teaching aid. A teaching aid capable of showing various projection films and performing projection demonstration or writing in daytime is also called a writing projector or a daytime slide projector. The projector is composed of a light source, an optical part, a cooling fan, a dimmer, a chassis, other additional devices and the like. When in use, various teaching slide films can be displayed, and the teaching slide films can also be directly written and drawn on the films to communicate with students. The object reflection projector and the micro projector are also one of the projectors, and the object to be taught is amplified and projected on a screen through an optical system by utilizing the optical principle, so that the aims of expanding communication, clearly demonstrating and enhancing understanding are fulfilled.

However, the existing projection device for movie and television shooting cannot conveniently adjust the lifting height and the left-right rotation angle of the projection device, the functionality of the device is low, a plurality of electrical components are arranged in the projection device, a large amount of heat can be generated after long-time use, the projection is not clear, the requirements of current people cannot be met, and the practicability is reduced.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a projection arrangement is used in movie & TV shooting has solved the problem mentioned among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a projection arrangement for movie & TV is shot, is including supporting the desktop, the lower fixed surface who supports the desktop installs the supporting leg, the last fixed surface who supports the desktop installs the rubber pad, the last fixed surface of rubber pad installs adjusting device.

Preferably, the inside fixed mounting of adjusting device has servo motor, the driving gear is installed to servo motor's output, the outside meshing of driving gear is connected with driven gear, driven gear's inside fixed mounting has the axis of rotation.

Preferably, the top fixed mounting of axis of rotation has the rolling disc, the last fixed surface of rolling disc installs the connecting rod, the one end of connecting rod articulates there is first engaging lug, the connecting rod rotates through first engaging lug and is connected with the casing.

Preferably, the upper surface of rolling disc articulates there is electronic telescoping device, electronic telescoping device's the other end articulates there is the second engaging lug, and electronic telescoping device rotates with the casing to be connected.

Preferably, the inside fixed mounting of casing has electrical components, the outside of casing is equipped with projection lens, the left and right sides of casing all is equipped with the air inlet window, the upper surface of casing is equipped with the air-out window, the lower fixed surface who goes out the air-out window installs driving motor, the flabellum is installed to driving motor's output.

(III) advantageous effects

The utility model provides a projection arrangement is used in movie & TV shooting. Has the following beneficial effects:

1. this projection arrangement for movie & TV is shot, through the cooperation that sets up servo motor and driving gear and driven gear and axis of rotation, drive the driving gear through servo motor and rotate for the driving gear drives driven gear and axis of rotation and rotates, thereby can control rotation regulation to projection arrangement, through the cooperation that sets up electronic telescoping device and connecting rod, through the flexible length of control electronic telescoping device, the better adjusts the casing, realizes projection arrangement's lift altitude mixture control, increases the practicality.

2. This projection arrangement for movie & TV is shot through the cooperation that sets up air inlet window and air outlet window and projection camera lens and flabellum, rotates through driving motor and drives the flabellum and rotate, gets into external natural wind from the air inlet window, takes away the heat through electrical components, then from the air outlet window discharge external world, dispels the heat the cooling to projection arrangement's inside electrical components, improves the quality of projection picture.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic view of the cross-sectional structure of the adjusting device of the present invention;

fig. 3 is a left side view structure diagram of the present invention.

In the figure: the projector comprises a supporting desktop 1, supporting legs 2, an adjusting device 3, a projection lens 4, a casing 5, an air inlet window 6, an air outlet window 7, a rubber pad 8, an electric telescopic device 9, a connecting rod 10, a first connecting lug 11, a second connecting lug 12, an electric element 13, a driving motor 14, fan blades 15, a servo motor 16, a driving gear 17, a driven gear 18, a rotating shaft 19 and a rotating disc 20.

Detailed Description

The invention is explained in more detail below with reference to the figures and examples.

The embodiment of the utility model provides a projection arrangement for movie & TV is shot, as shown in fig. 1-3, including supporting desktop 1, the lower fixed surface who supports desktop 1 installs supporting leg 2, through the cooperation that sets up supporting desktop 1 and supporting leg 2, play a fixed effect of support to projection arrangement, make things convenient for projection arrangement demonstration picture, the last fixed surface who supports desktop 1 installs rubber pad 8, the last fixed surface of rubber pad 8 installs adjusting device 3, play a fixed effect of support to adjusting device 3 through setting up rubber pad 8, in order to avoid adjusting device 3 to remove at will, influence the demonstration of projection picture.

Specifically, adjusting device 3's inside fixed mounting has servo motor 16, driving gear 17 is installed to servo motor 16's output, driving gear 17's outside meshing is connected with driven gear 18, driven gear 18's inside fixed mounting has axis of rotation 19, through the cooperation that sets up servo motor 16 and driving gear 17 and driven gear 18, rotate through servo motor 16 and drive driving gear 17 and rotate, driving gear 17 rotates and drives driven gear 18 and rotate, thereby better drive axis of rotation 19 rotates.

Specifically, the top fixed mounting of axis of rotation 19 has rolling disc 20, the last fixed surface of rolling disc 20 installs connecting rod 10, the one end of connecting rod 10 articulates there is first engaging lug 11, connecting rod 10 rotates through first engaging lug 11 and is connected with casing 5, through the cooperation that sets up axis of rotation 19 and rolling disc 20, make axis of rotation 19 drive rolling disc 20 and rotate, better make rolling disc 20 drive connecting rod 10 and move, thereby drive casing 5 and carry out rotation regulation projection arrangement's projection position.

Specifically, the upper surface of rolling disc 20 articulates there is electronic telescoping device 9, and the other end of electronic telescoping device 9 articulates there is second engaging lug 12, and electronic telescoping device 9 rotates with casing 5 to be connected, and through the cooperation that sets up electronic telescoping device 9 and second engaging lug 12, through controlling electronic telescoping device 9 to rise and reduce the regulation casing 5, convenient and fast satisfies people's demand.

Specifically, the inside fixed mounting of casing 5 has electrical components 13, the outside of casing 5 is equipped with projection lens 4, the left and right sides of casing 5 all is equipped with air inlet window 6, the upper surface of casing 5 is equipped with air outlet window 7, the lower fixed mounting of air outlet window 7 has driving motor 14, flabellum 15 is installed to driving motor 14's output, through setting up air inlet window 6 and air outlet window 7 and the cooperation of driving motor 14 and flabellum 15, it rotates through driving motor 14 and drives flabellum 15 and rotate, thereby make external natural wind pass through air inlet window 6 and enter into the inside of casing 5, then electric components 13 takes away the heat, discharge the external world from air outlet window 7, make the inside heat of casing 5 obtain quick cooling, better protection projection arrangement's internals, increase life, improve the quality of projection picture.

All the electric equipment in the scheme supplies power through the external power supply.

The working principle is as follows: when the projection device is used, the projection device is placed on the supporting desktop 1, the projection lens 4 of the projection device is opened, then the servo motor 16 is started to rotate, the servo motor 16 rotates to drive the driving gear 17 to rotate, the driving gear 17 rotates to drive the driven gear 18 to rotate, the driven gear 18 rotates to drive the rotating shaft 19 to rotate, so as to drive the rotating disc 20 to rotate, then the rotating disc 20 rotates to drive the connecting rod 10 to rotate, so that the casing 5 rotates to adjust the projection lens 4, then the casing 5 is lifted and lowered by controlling the telescopic length of the electric telescopic device 9, so that the picture projected by the projection lens 4 can be fully paved on projection cloth, then the driving motor 14 is started to rotate to drive the fan blades 15 to rotate, so that external natural wind enters the inside of the casing 5 through the air inlet window 6, and the heat is taken away by the electric element 13 to cool the electric element 13, then the air outlet window 7 is raised to discharge the air to the outside.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a projection arrangement for movie & TV is shot, includes support desktop (1), its characterized in that: the supporting table is characterized in that supporting legs (2) are fixedly mounted on the lower surface of the supporting table top (1), rubber pads (8) are fixedly mounted on the upper surface of the supporting table top (1), and adjusting devices (3) are fixedly mounted on the upper surface of the rubber pads (8).

2. A projection apparatus for photographing a movie as defined in claim 1, characterized in that: the inside fixed mounting of adjusting device (3) has servo motor (16), driving gear (17) are installed to the output of servo motor (16), the outside meshing of driving gear (17) is connected with driven gear (18), the inside fixed mounting of driven gear (18) has axis of rotation (19).

3. A projection apparatus for photographing a movie as defined in claim 2, characterized in that: the top fixed mounting of axis of rotation (19) has rolling disc (20), the last fixed surface of rolling disc (20) installs connecting rod (10), the one end of connecting rod (10) articulates there is first engaging lug (11), connecting rod (10) are connected with casing (5) through first engaging lug (11) rotation.

4. A projection apparatus for photographing a movie as defined in claim 3, characterized in that: the upper surface of rolling disc (20) articulates there is electronic telescoping device (9), the other end of electronic telescoping device (9) articulates there is second engaging lug (12), and electronic telescoping device (9) and casing (5) rotate and be connected.

5. A projection apparatus for photographing a movie as defined in claim 4, characterized in that: the inside fixed mounting of casing (5) has electrical components (13), the outside of casing (5) is equipped with projection lens (4), the left and right sides of casing (5) all is equipped with air inlet window (6), the upper surface of casing (5) is equipped with air outlet window (7), the lower fixed surface who goes out air outlet window (7) installs driving motor (14), flabellum (15) are installed to the output of driving motor (14).