CN113515004A

CN113515004A - Projection arrangement is used in visual transmission design

Info

Publication number: CN113515004A
Application number: CN202110485037.8A
Authority: CN
Inventors: 冯鹤
Original assignee: Chizhou University
Current assignee: Chizhou University
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-10-19
Anticipated expiration: 2041-04-30
Also published as: CN113515004B

Abstract

The invention discloses a projection device for visual transmission design, which comprises an installation shell, an optical element, a control element, a first motor and a fan, wherein a first sleeve is fixedly installed inside the installation shell; wherein, the annular has been seted up to the inside of go-between, the inside activity of annular is provided with a plurality of locating levers, the common fixedly connected with third sleeve of tip of a plurality of locating levers, a plurality of constant head tanks have been seted up on the telescopic lateral wall of second, the inside activity of constant head tank is provided with the transfer line, make first motor be circumferential direction under the telescopic drive of third, the heat radiating area of fan has been increased, and then improved the heat dissipation function to optical element and control element greatly, avoid optical element and control element because overheated reduction its life, realize the protection to optical element and control element.

Description

Projection arrangement is used in visual transmission design

Technical Field

The invention relates to the technical field of projection, in particular to a projection device for visual transmission design.

Background

The projector, also known as a projector, is a device capable of projecting 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.

Through retrieval, the utility model with the Chinese patent number of CN211878404U provides a heat dissipation device and a projector, which relate to the technical field of heat dissipation application and comprise a fan, a dustproof sheet and a torsion spring, wherein the dustproof sheet is arranged at one side of the fan, and the torsion spring is arranged on the dustproof sheet; the fan runs to generate wind power; the dustproof sheet is driven by wind power to rotate and forms an opening and closing angle with the initial direction of the dustproof sheet; torsion spring drives the dustproof piece and revolves to the initial direction of dustproof piece under the condition of no wind power, can change the dustproof piece of angle that opens and shuts through setting up, protects it not to receive other pollutants such as dust to invade when the projector is out of work, can guarantee basic heat dissipation requirement again at board during operation.

The device can only radiate the device through the fan in the using process, but because the angle of the fan can not be adjusted, the temperature in the projector can not be quickly radiated, the high temperature in the projector can damage the optical element and the control element, the service life of the projector is reduced, and therefore the projector device for visual transmission design is needed.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a projection device for visual transmission design.

In order to achieve the purpose, the invention adopts the following technical scheme:

a projection device for visual transmission design comprises an installation shell, an optical element, a control element, a first motor and a fan, wherein a first sleeve is fixedly installed inside the installation shell, a plurality of connecting rods are fixedly installed inside the first sleeve, the end parts of the connecting rods are fixedly connected with a second sleeve together, and a connecting ring is fixedly installed on the side wall of the second sleeve;

the annular has been seted up to the inside of go-between, the inside activity of annular is provided with a plurality of locating levers, and is a plurality of the common fixedly connected with third sleeve of tip of locating lever, a plurality of constant head tanks have been seted up on the telescopic lateral wall of second, the inside activity of constant head tank is provided with the transfer line, the one end fixed mounting of transfer line has the third spring, fixed mounting has the third spring on the lateral wall of transfer line, the one end of transfer line and the lateral wall fixed connection of second sleeve are kept away from to the third spring, the other end fixedly connected with rope of transfer line, a plurality of magnetic grooves have been seted up on the telescopic lateral wall of third, the inside in magnetic groove is provided with second magnetic force piece.

Preferably, the inside of installation shell is provided with optical element, the inside fixed mounting of installation shell has control element, the radiating groove has been seted up to the symmetry on the lateral wall of installation shell, fixed mounting has the filter screen on the inside lateral wall of radiating groove.

Preferably, the first motor is fixedly connected with the inner side wall of the third sleeve, and the end part of the output shaft of the first motor is fixedly connected with the fan through a coupler.

Preferably, fixed mounting has a plurality of fixed ball cover on the lateral wall of locating lever, the inside activity of fixed ball cover is provided with the roll ball, the roll ball with the inside lateral wall roll connection of annular, just the roll ball with the clearance is left to the inside of annular.

Preferably, a plurality of second pulleys are fixedly connected to the side wall of the first sleeve, a plurality of first pulleys are fixedly connected to the side wall of the first sleeve, and the rope is respectively wound around the second pulleys and the side wall of the first pulley.

Preferably, a plurality of first springs are fixedly mounted on the side wall of the first sleeve, one end, far away from the first sleeve, of each first spring is fixedly connected with a driving ring, a second motor is fixedly mounted on the side wall of the mounting shell, an output shaft of the second motor is fixedly connected with a driving rod through a coupler, the end part of the driving rod is fixedly connected with a driving plate, and the driving plate is close to the side wall of the driving ring.

Preferably, the second magnetic block is movably connected with the inner side wall of the magnetic groove, and the second magnetic block has the same magnetism as the third spring.

Preferably, the ends of the ropes are fixedly connected to the side walls of the drive ring.

Compared with the prior art, the invention has the beneficial effects that:

1. the first motor and the fan are matched to generate wind power, so that heat generated when the optical element and the control element work is discharged to the outside of the mounting shell through the heat dissipation groove, and the heat dissipation effect on the optical element and the control element is achieved.

2. By starting the second motor, the second motor can make the transmission rods arranged in the positioning grooves rise and fall circularly in the rotating process, the second magnetic block and the third spring have the same magnetism, repulsion force exists between the second magnetic block and the third spring, the third spring can be driven to move upwards under the action of the tension force of the transmission rods, the force borne by the third sleeve is unbalanced, the third sleeve can be rotated to the position where the third spring moves under the action of the repulsion force between the second magnetic block and the third spring, the transmission rods rise and fall circularly, so that the third sleeve can rotate circumferentially in the second sleeve, the first motor rotates circumferentially under the drive of the third sleeve, the heat dissipation area of the fan is increased, the heat dissipation function of the optical element and the control element is greatly improved, and the service life of the optical element and the control element is prevented from being reduced due to overheating, protection of the optical element and the control element is achieved.

Drawings

FIG. 1 is a perspective view of a projection apparatus for visual transmission design according to the present invention;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a cross-sectional view of a first sleeve of the present invention;

FIG. 4 is a cross-sectional view of a second sleeve of the present invention;

FIG. 5 is an enlarged view of portion A of the present invention;

FIG. 6 is an enlarged view of portion B of the present invention;

FIG. 7 is an enlarged view of portion C of the present invention;

fig. 8 is an enlarged view of portion D of the present invention.

In the figure: the device comprises a mounting shell 1, an optical element 2, a control element 3, a heat dissipation groove 4, a first sleeve 5, a connecting rod 6, a second sleeve 7, a third sleeve 8, a first motor 9, a fan 10, a second motor 11, a driving rod 12, a driving ring 13, a driving plate 14, a first spring 15, a first pulley 16, a rope 17, a second pulley 18, a connecting ring 19, a positioning rod 20, a ring groove 21, a fixed ball sleeve 22, a rolling ball 23, a positioning groove 24, a driving rod 25, a third spring 26, a third spring 27, a magnetic groove 28 and a second magnetic block 29.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1 to 8, a projection apparatus for visual transmission design includes an optical element 2, a control element 3, a first motor 9 and a fan 10, a first sleeve 5 is fixedly installed inside a mounting housing 1, a plurality of connecting rods 6 are fixedly installed inside the first sleeve 5, the ends of the connecting rods 6 are fixedly connected with a second sleeve 7 together, and a connecting ring 19 is fixedly installed on the side wall of the second sleeve 7;

the inner part of the connecting ring 19 is provided with a ring groove 21, the inner part of the ring groove 21 is movably provided with a plurality of positioning rods 20, the positioning rods 20 can slide in the ring groove 21, the end parts of the positioning rods 20 are fixedly connected with a third sleeve 8 together, the side wall of the second sleeve 7 is provided with a plurality of positioning grooves 24, the inner part of each positioning groove 24 is movably provided with a transmission rod 25, the transmission rod 25 can slide in the positioning groove 24, one end of each transmission rod 25 is fixedly provided with a third spring 27, the side wall of each transmission rod 25 is fixedly provided with a third spring 26, one end of each third spring 26, far away from the transmission rod 25, is fixedly connected with the side wall of the second sleeve 7, the other end of each transmission rod 25 is fixedly connected with a rope 17, the side wall of the third sleeve 8 is provided with a plurality of magnetic grooves 28, and the inner part of each magnetic groove 28 is provided with a second magnetic block 29;

an optical element 2 is arranged inside the mounting shell 1, a control element 3 is fixedly arranged inside the mounting shell 1, heat dissipation grooves 4 are symmetrically formed in the side wall of the mounting shell 1, and a filter screen is fixedly arranged on the inner side wall of each heat dissipation groove 4

The first motor 9 is fixedly connected with the inner side wall of the third sleeve 8, the end part of an output shaft of the first motor 9 is fixedly connected with the fan 10 through a coupler, a plurality of fixed ball sleeves 22 are fixedly installed on the side wall of the positioning rod 20, rolling balls 23 are movably arranged in the fixed ball sleeves 22, the rolling balls 23 can roll in the fixed ball sleeves 22, the rolling balls 23 are in rolling connection with the inner side wall of the ring groove 21, gaps are reserved between the rolling balls 23 and the inner part of the ring groove 21, a plurality of second pulleys 18 are fixedly connected with the side wall of the first sleeve 5, a plurality of first pulleys 16 are fixedly connected with the side wall of the first sleeve 5, and the rope 17 is respectively wound with the second pulleys 18 and the side wall of the first pulley 16;

a plurality of first springs 15 are fixedly mounted on the side wall of the first sleeve 5, one ends of the first springs 15, which are far away from the first sleeve 5, are fixedly connected with a driving ring 13 together, a second motor 11 is fixedly mounted on the side wall of the mounting shell 1, an output shaft of the second motor 11 is fixedly connected with a driving rod 12 through a coupler, the end part of the driving rod 12 is fixedly connected with a driving plate 14, and the driving plate 14 is close to the side wall of the driving ring 13;

the second magnetic block 29 is movably connected with the inner side wall of the magnetic groove 28, the second magnetic block 29 can rotate in a small range on the inner side wall of the magnetic groove 28, the second magnetic block 29 has the same magnetism as the third spring 27, and the tail end of the rope 17 is fixedly connected with the side wall of the driving ring 13.

When the heat dissipation device is used, the first motor 9 is started firstly, the fan 10 starts to rotate through the coupler in the rotating process of the first motor 9, and wind power generated by the rotation of the fan 10 can primarily dissipate heat of the optical element 2 and the control element 3;

the second motor 11 is restarted, the second motor 11 drives the driving rod 12 to start rotating, the driving rod 12 drives the driving ring 14 to start rotating, because the distance between the end of the driving ring 14 and the driving rod 12 is greater than the radius of the driving ring 13, and the end of the driving ring 14 is attached to the side wall of the driving ring 13, the driving ring 13 can rotate circumferentially inside the first sleeve 5 under the rotation of the driving rod 12, the driving ring 13 can pull a plurality of ropes 17 during the rotation, the ropes 17 can make the transmission rod 25 start moving under the guidance of the first pulley 16 and the second pulley 18 during the movement, the transmission rod 25 starts moving under the pulling of the ropes 17, the transmission rod 25 drives the third spring 27 to start moving, at this time, the repulsive force between the second magnetic block 29 and the third spring 27 is out of balance, the resultant force generated by the repulsive force between the second magnetic block 29 and the third spring 27 can make the third sleeve 8 move outward toward the third spring 27, because the driving ring 13 rotates circumferentially in the first sleeve 5, the driving ring 13 sequentially pulls the plurality of ropes 17 in the rotating process, and the driving rod 25 losing the tension of the ropes 17 is restored to the original position under the action of the self elasticity of the third spring 26, so that the third spring 27 also moves circumferentially outwards;

and the locating lever 20 that sets up on third sleeve 8 is located the inside of annular 21, leave the clearance between the lateral wall of rolling ball 23 and annular 21, it makes third sleeve 8 begin to rotate along with reciprocating of third spring 27, and it is less for the rolling connection frictional force between the inside wall of fixed ball cover 22 and annular 21, be convenient for third sleeve 8 to rotate, third sleeve 8 drives first motor 9 and begins to rotate at the pivoted in-process, fan 10 heat dissipation area in the course of the work has been increased, can fully dispel the heat to the components and parts of installation shell 1 inside, and then improved the heat dissipation function to optical element 2 and control element 3 greatly, avoid optical element 2 and control element 3 to reduce its life because of overheated, realize the protection to optical element 2 and control element 3.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A projection device for visual transmission design comprises an installation shell (1), an optical element (2), a control element (3), a first motor (9) and a fan (10), and is characterized in that a first sleeve (5) is fixedly installed inside the installation shell (1), a plurality of connecting rods (6) are fixedly installed inside the first sleeve (5), a second sleeve (7) is fixedly connected to the end portions of the connecting rods (6) together, and a connecting ring (19) is fixedly installed on the side wall of the second sleeve (7);

wherein, the inside of the connecting ring (19) is provided with a ring groove (21), the inside of the ring groove (21) is movably provided with a plurality of positioning rods (20), the end parts of the plurality of positioning rods (20) are jointly and fixedly connected with a third sleeve (8), a plurality of positioning grooves (24) are arranged on the side wall of the second sleeve (7), a transmission rod (25) is movably arranged in each positioning groove (24), one end of the transmission rod (25) is fixedly provided with a third spring (27), the side wall of the transmission rod (25) is fixedly provided with a third spring (26), one end of the third spring (26) far away from the transmission rod (25) is fixedly connected with the side wall of the second sleeve (7), the other end fixedly connected with rope (17) of transfer line (25), seted up a plurality of magnetic force grooves (28) on the lateral wall of third sleeve (8), the inside of magnetic force groove (28) is provided with second magnetic block (29).

2. The projection device for visual transmission design according to claim 1, wherein the optical element (2) is disposed inside the mounting housing (1), the control element (3) is fixedly mounted inside the mounting housing (1), the side wall of the mounting housing (1) is symmetrically provided with heat dissipation grooves (4), and the inner side wall of the heat dissipation grooves (4) is fixedly provided with a filter screen.

3. A projection device for visual transmission design according to claim 2, wherein the first motor (9) is fixedly connected with the inner side wall of the third sleeve (8), and the end of the output shaft of the first motor (9) is fixedly connected with the fan (10) through a shaft coupling.

4. The projection device for visual transmission design according to claim 3, wherein a plurality of fixed ball sleeves (22) are fixedly mounted on the side wall of the positioning rod (20), rolling balls (23) are movably arranged in the fixed ball sleeves (22), the rolling balls (23) are in rolling connection with the inner side wall of the ring groove (21), and gaps are left between the rolling balls (23) and the inner part of the ring groove (21).

5. The projection device for visual transmission design according to claim 4, wherein a plurality of second pulleys (18) are fixedly connected to the side wall of the first sleeve (5), a plurality of first pulleys (16) are fixedly connected to the side wall of the first sleeve (5), and the rope (17) is wound around the second pulleys (18) and the side wall of the first pulleys (16), respectively.

6. The projection device for visual transmission design according to claim 5, wherein a plurality of first springs (15) are fixedly mounted on the side wall of the first sleeve (5), one ends of the first springs (15) far away from the first sleeve (5) are fixedly connected with a driving ring (13) together, a second motor (11) is fixedly mounted on the side wall of the mounting housing (1), an output shaft of the second motor (11) is fixedly connected with a driving rod (12) through a coupler, a driving plate (14) is fixedly connected with the end of the driving rod (12), and the driving plate (14) is close to the side wall of the driving ring (13).

7. A projection device for visual transmission design according to claim 6, wherein said second magnetic block (29) is movably connected to the inner side wall of said magnetic slot (28), said second magnetic block (29) being magnetically identical to said third spring (27).

8. A projection device for visual communication design according to claim 7, wherein the distal end of the rope (17) is fixedly attached to the side wall of the drive ring (13).