CN113515004B

CN113515004B - Projection arrangement is used in visual transmission design

Info

Publication number: CN113515004B
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: 2023-03-14
Anticipated expiration: 2041-04-30
Also published as: CN113515004A

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 on 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 dust guard piece and revolves to the initial direction of dust guard piece under the condition of nos wind-force, can change the dust guard piece that opens and shuts the angle 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 the 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 first magnetic force piece, 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 force grooves have been seted up on the telescopic lateral wall of third, the inside in magnetic force 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, a plurality of fixed ball sleeves are fixedly mounted on the side wall of the positioning rod, rolling balls are movably arranged in the fixed ball sleeves and are in rolling connection with the inner side wall of the annular groove, and gaps are reserved in the rolling balls and the annular groove.

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 wound around the second pulleys and the side wall of the first pulleys respectively.

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 first magnetic block.

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 rod arranged inside the positioning grooves circularly rise and fall in the rotating process, the magnetism between the second magnetic block and the first magnetic block is the same, repulsion exists between the second magnetic block and the first magnetic block, the first magnetic block can be driven to move upwards under the action of the pulling force of the transmission rod, the force received by the third sleeve is unbalanced, the third sleeve can be rotated to the position where the first magnetic block moves under the action of the repulsion between the second magnetic block and the first magnetic block, the transmission rod is circularly lifted, so that the third sleeve can circumferentially rotate inside the second sleeve, the first motor is circumferentially rotated under the driving of the third sleeve, the heat dissipation area of a fan is increased, the heat dissipation function of the optical element and the control element is greatly improved, the service life of the optical element and the control element is prevented from being reduced due to overheating, and the protection of the optical element and the control element is realized.

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 first magnetic block 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 the transmission rod 25 is fixedly provided with a first magnetic block 27, the side wall of the transmission rod 25 is fixedly provided with a third spring 26, one end of the third spring 26, which is far away from the transmission rod 25, is fixedly connected with the side wall of the second sleeve 7, the other end of the 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 first magnetic block 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 rod 14 to start rotating, because the distance between the end of the driving rod 14 and the driving rod 12 is greater than the radius of the driving ring 13, and the end of the driving rod 14 is attached to the side wall of the driving ring 13, the driving ring 13 can start rotating 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 driving rod 25 start moving under the guidance of the first pulley 16 and the second pulley 18 during the movement, the driving rod 25 starts moving under the pulling of the ropes 17, the driving rod 25 drives the first magnetic block 27 to start moving, at this time, the repulsive force between the second magnetic block 29 and the first magnetic block 27 is unbalanced, the resultant force generated by the repulsive force between the second magnetic block 29 and the first magnetic block 27 can make the third sleeve 8 move outward toward the first magnetic block 27, and the driving ring 13 can sequentially pull the plurality of ropes 17 to restore the tensile force of the first magnetic block 27, and the driving ring 13 can also return to the original circumferential position where the rope 17 loses the tensile force, and the rope 27 can also returns to the original circumferential position;

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, make third sleeve 8 begin to rotate along with reciprocating of first magnetic block 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 at the pivoted in-process and begins to rotate, fan 10 has increased the heat radiating area in the course of the work, 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 a mounting shell (1), an optical element (2), a control element (3), a first motor (9) and a fan (10), and is characterized in that a second sleeve (7) for placing the first motor (9) is arranged inside the mounting shell (1), and a connecting ring (19) is fixedly mounted on the side wall of the second sleeve (7);

the connecting ring (19) is movably provided with a plurality of positioning rods (20), 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), a transmission rod (25) is movably arranged in each positioning groove (24), one end of each transmission rod (25) is fixedly provided with a first magnetic block (27), the side wall of each transmission rod (25) is fixedly provided with a third spring (26), one end, far away from the transmission rod (25), of each third spring (26) 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 a second magnetic block (29) is arranged in each magnetic groove (28);

a first sleeve (5) is fixedly mounted inside the mounting shell (1), a plurality of connecting rods (6) are fixedly mounted inside the first sleeve (5), the end part of each connecting rod (6) is connected with the outside of the corresponding second sleeve (7), an annular groove (21) is formed inside each connecting ring (19), and the inside of each annular groove (21) is movably connected with a plurality of positioning rods (20);

the side wall of the first sleeve (5) is fixedly connected with a plurality of second pulleys (18), the side wall of the first sleeve (5) is fixedly connected with a plurality of first pulleys (16), and the rope (17) is respectively wound on the side walls of the second pulleys (18) and the first pulleys (16);

the second magnetic block (29) is movably connected with the inner side wall of the magnetic groove (28), and the magnetism of the second magnetic block (29) is the same as that of the first magnetic block (27);

a plurality of first springs (15) are fixedly mounted on the side wall of the first sleeve (5), one ends, far away from the first sleeve (5), of the first springs (15) 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, a driving plate (14) is fixedly connected to the end portion of the driving rod (12), and the driving plate (14) is close to the side wall of the driving ring (13);

the tail end of the rope (17) is fixedly connected with the side wall of the driving ring (13).

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 walls of the mounting housing (1) are symmetrically provided with heat dissipation grooves (4), and the inner side walls of the heat dissipation grooves (4) are fixedly provided with filter screens.

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).