CN112130406B - Projection device capable of automatically adjusting projection area according to use environment - Google Patents

Projection device capable of automatically adjusting projection area according to use environment Download PDF

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Publication number
CN112130406B
CN112130406B CN202011057668.1A CN202011057668A CN112130406B CN 112130406 B CN112130406 B CN 112130406B CN 202011057668 A CN202011057668 A CN 202011057668A CN 112130406 B CN112130406 B CN 112130406B
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rod
seat
movably connected
shell
elastic
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CN202011057668.1A
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CN112130406A (en
Inventor
钟建春
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Shenzhen Tiantian Digital Space Technology Co ltd
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Shenzhen Tiantian Digital Space Technology Co ltd
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    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/10Projectors with built-in or built-on screen
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/142Adjusting of projection optics
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/14Details
    • G03B21/16Cooling; Preventing overheating
    • GPHYSICS
    • G03PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03BAPPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00Projectors or projection-type viewers; Accessories therefor
    • G03B21/54Accessories
    • G03B21/56Projection screens
    • G03B21/58Projection screens collapsible, e.g. foldable; of variable area

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Projection Apparatus (AREA)

Abstract

The invention belongs to the technical field of image processing, and particularly relates to a projection device capable of automatically adjusting a projection area according to a use environment. When in use, the shape and the focal length of the light-transmitting mirror can be changed to enlarge the projection picture, so that the use is more convenient.

Description

Projection device capable of automatically adjusting projection area according to use environment
Technical Field
The invention belongs to the technical field of image processing, and particularly relates to a projection device capable of automatically adjusting a projection area according to a use environment.
Background
The image processing is a technology for analyzing an image by using a computer to achieve a required result, and is also called image processing, wherein a digital image is a large two-dimensional array obtained by shooting with equipment such as an industrial camera, a video camera, a scanner and the like, the image processing technology generally comprises three parts of image compression, enhancement and restoration, matching description and identification, and common systems comprise a Kangnai city system, a graph intelligent system and the like.
Image processing often is used for the projecting apparatus, and the inside size because the printing opacity mirror of present projecting apparatus is generally fixed, and the video area that the event was projected is mostly fixed size, wants to enlarge the area of video in some great spaces if the user of service in, must unpack apart the distance between quick-witted case adjustment focus and the lens, and it is comparatively troublesome to operate, has influenced the use of projecting apparatus, and the application range that leads to the projecting apparatus in addition is limited.
Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a projection apparatus capable of automatically adjusting the projection area according to the use environment is provided, so as to achieve the purpose of higher practical value.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a projection apparatus capable of automatically adjusting a projection area according to a use environment, which is achieved by the following specific technical means:
a projection device capable of automatically adjusting projection area according to use environment comprises a shell, wherein a telescopic rod is movably connected inside the shell, a light transmitting mirror is movably connected on the outer surface of the shell, a movable screen is movably connected on the side surface of the shell, an unfolding seat is movably connected inside the shell, an unfolding rod is rotatably connected on the side surface of the unfolding seat, an elastic frame is movably connected on the inner wall of the shell, a supporting seat is movably connected on the side surface of the elastic frame, a pushing and holding rod is movably connected on the side surface of the supporting seat, a lamp source is movably connected at one end of the pushing and holding rod, a buffering seat is movably connected on the side surface of the lamp source, a clamping and holding seat is movably connected at one end of the unfolding rod inside the shell, an ejector rod is fixedly connected on the side surface of the clamping and an elastic rod is movably connected at the other end of the ejector rod, the other end swing joint of elastic rod has the compression post, the left and right sides of elastic rod all rotates and is connected with the stripper bar, the one end of stripper bar runs through in the inside of gas collection bag, the inside swing joint that the one end of stripper bar just is located the gas collection bag has the compression spring, the side surface of compression spring is provided with the atmospheric pressure bag.
Furthermore, the inside of casing is provided with the pivot with telescopic link looks adaptation, the inside of expansion seat is seted up with the bull stick of expansion pole isodiametric, the expansion of the expansion pole of being convenient for.
Furthermore, an elastic spring is arranged in the elastic frame, the diameter of the elastic frame is smaller than that of the supporting seat, and the outer surface of the lamp source is fixedly connected with the mounting seat.
Furthermore, the inside swing joint of buffer seat has the buffering spring, the surface that adds the seat of holding is provided with the bull stick with the equal diameter of expansion pole, add the surface that holds the seat and seted up the bleeder vent.
Furthermore, one end of the compression column is connected with the inner surface of the movable screen, and a bearing seat matched with the elastic rod is arranged on the surface of the compression column.
Furthermore, the outer surface of the air collecting bag is provided with air holes, the outer surface of the air collecting bag is fixedly connected with an air transmission pipeline, one end of the air transmission pipeline is connected with the side surface of the holding seat, and the air collecting bag is made of rubber.
Compared with the prior art, the invention has the following beneficial effects:
1. the projection device capable of automatically adjusting the projection area according to the use environment comprises a push expansion rod, a distance between an adjacent expansion seat and a clamping seat is increased, the clamping seat can simultaneously drive a telescopic rod to rotate by a certain angle, then the telescopic rod drives a movable screen to do certain stretching action, the movable screen can drive an elastic frame inside the movable screen to perform certain telescopic movement at the moment, the elastic frame moves to one side close to the push clamping rod, the elastic frame can drive a supporting seat to extrude the push clamping rod, then the push clamping rod drives a light source at one end of the movable screen to move to one side of a light-transmitting mirror, the maximum projection picture is calculated by a liquid crystal display formula in the process of moving the light-transmitting mirror, the focal distance of the light source is reduced by a projection distance of meter x sheet size inch divided by a minimum focal distance meter, and the movable screen is stretched to be enlarged in the process of expanding the light-transmitting mirror, under the action of the lamp source and the light-transmitting mirror, the maximum projection picture is enlarged, the effect of changing the shape and the focal length of the light-transmitting mirror and enlarging the projection picture is achieved, and the use is more convenient.
2. The projection device capable of automatically adjusting the projection area according to the use environment comprises a holding seat, an ejector rod, an elastic rod, a compression spring, a gas pressure bag, a gas transmission pipeline, a lamp source and a lamp holder, wherein the holding seat drives the telescopic rod to move, the ejector rod and the elastic rod are driven by the elastic rod to rotate at a certain angle, the extrusion rod is pulled out of the gas collection bag, the extrusion rod drives the compression spring at one end of the extrusion rod to deform to a certain degree, the compression spring drives the gas pressure bag at one side of the extrusion rod to deform, gas in the gas collection bag and the gas pressure bag is introduced into the gas transmission pipeline when the gas collection bag and the gas pressure bag deform under extrusion, the gas is blown to the surface of the lamp source through holes on the surface of the holding seat, dust adhered to some devices in the shell can be blown away, the service life of the devices in the shell is prevented from being influenced by the dust, the temperature of the lamp source and the temperature in the shell can be reduced, and the service life of the lamp source is prolonged, the use is more convenient.
Drawings
FIG. 1 is a schematic view of the front cross-sectional structure of the housing of the present invention;
FIG. 2 is an enlarged view at A in FIG. 1;
FIG. 3 is a schematic view of a portion of the support base of the present invention;
FIG. 4 is an enlarged view at B in FIG. 3;
fig. 5 is a schematic structural diagram of a gas collecting bag part of the invention.
In the figure: 1. a housing; 2. a telescopic rod; 3. a light-transmitting mirror; 4. a movable screen; 5. a deployment seat; 6. deploying the rod; 7. an elastic frame; 8. a supporting seat; 9. a push-hold lever; 10. a light source; 11. a buffer seat; 12. a clamping seat; 13. a top rod; 14. an elastic rod; 15. compressing the column; 16. an extrusion stem; 17. an air collecting bag; 18. a compression spring; 19. a pneumatic bladder; 20. a gas pipeline.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in figures 1 to 5:
the invention provides a projection device capable of automatically adjusting projection area according to use environment, which comprises a shell 1, wherein the interior of the shell 1 is movably connected with a telescopic rod 2, the outer surface of the shell 1 is movably connected with a light-transmitting mirror 3, the side surface of the shell 1 is movably connected with a movable screen 4, the interior of the shell 1 is movably connected with an expansion seat 5, the side surface of the expansion seat 5 is rotatably connected with an expansion rod 6, the interior of the shell 1 is provided with a rotating shaft matched with the telescopic rod 2, the interior of the expansion seat 5 is provided with a rotating rod with the same diameter as the expansion rod 6, the inner wall of the shell 1 is movably connected with an elastic frame 7, the side surface of the elastic frame 7 is movably connected with a supporting seat 8, the side surface of the supporting seat 8 is movably connected with a pushing and holding rod 9, one end of the pushing and holding rod 9 is movably connected with a lamp source 10, the interior of the elastic frame 7 is provided with an elastic spring, and the diameter of the elastic frame 7 is smaller than that of the supporting seat 8, the light source 10 is located between the double focal length and the single focal length of the light-transmitting mirror 3, and forms an inverted, enlarged real image of the object by the light-transmitting mirror 3, and then changes the propagation direction of the light wave through the movable screen 4, so that the light wave is imaged in the projection part.
The outer surface of the lamp source 10 is fixedly connected with a mounting seat, the side surface of the lamp source 10 is movably connected with a buffer seat 11, one end of the inside of the shell 1, which is positioned at the unfolding rod 6, is movably connected with a holding seat 12, the inside of the buffer seat 11 is movably connected with a buffer spring, the outer surface of the holding seat 12 is provided with a rotating rod with the same diameter as the unfolding rod 6, the outer surface of the holding seat 12 is provided with an air hole, the side surface of the holding seat 12 is fixedly connected with an ejector rod 13, the other end of the ejector rod 13 is movably connected with an elastic rod 14, one end of a compression rod 15 is connected with the inner surface of the movable screen 4, the surface of the compression rod 15 is provided with a bearing seat matched with the elastic rod 14, the other end of the elastic rod 14 is movably connected with a compression rod 15, the left side and the right side of the elastic rod 14 are both rotatably connected with extrusion rods 16, one end of the extrusion rod 16 penetrates through the inside of the gas collection bag 17, the outer surface of the gas collection bag 17 is provided with an air hole, the outer fixed surface of collection gasbag 17 is connected with gas transmission pipeline 20, the one end of gas transmission pipeline 20 is connected with the side surface that adds holder 12, the material of gas collection bag 17 is rubber, the one end of extrusion stem 16 just is located the inside swing joint of collection gasbag 17 and has compression spring 18, the side surface of compression spring 18 is provided with gas cell 19, extrusion stem 16 can drive the compression spring 18 of its one end and take place certain degree of deformation, compression spring 18 can drive gas cell 19 of its one side and take place the deformation, when gas collection bag 17 and gas cell 19 receive the extrusion to take place the deformation this moment, its inside gas can let in the inside of gas transmission pipeline 20, later blow the surface of lamp source 10 through the hole that holds holder 12 surfaces, not only can blow the vanishing to the dust that some devices bond in casing 1 this moment, avoid the life of the inside device of casing of dust influence.
The specific use mode and function of the embodiment are as follows: when the device is in normal use, the device can be subjected to projection processing through the transparent mirror 3, when the projection range is too small, the adjacent distance between the unfolding seat 5 and the holding seat 12 is increased by pushing the unfolding rod 6, the holding seat 12 can simultaneously drive the telescopic rod 2 to rotate at a certain angle, then the telescopic rod 2 drives the movable screen 4 to do certain stretching action, the movable screen 4 can drive the elastic frame 7 inside the movable screen to do certain stretching movement at the moment, so that the elastic frame 7 moves to one side close to the pushing and holding rod 9, the elastic frame 7 can drive the supporting seat 8 to extrude the pushing and holding rod 9, then the pushing and holding rod 9 drives the lamp source 10 at one end of the lamp source to move to one side of the transparent mirror 3, the maximum projection picture is equal to the projection distance of mx liquid crystal sheet size inch divided by the minimum focal length meter, the lamp source 10 is close to the focal length of the transparent mirror 3, and the transparent mirror 3 is unfolded, the movable screen 4 is stretched and enlarged, and in the moving process of the light-transmitting mirror 3, the maximum projection picture is calculated according to the formula, the enlarged maximum projection picture is obtained under the action of the lamp source 10 and the light-transmitting mirror 3, the effect of changing the shape of the light-transmitting mirror and enlarging the projection picture by the focal length is achieved, and the use is more convenient.
In the process that the clamping base 12 drives the telescopic rod 2 to move, the ejector rod 13 and the elastic rod 14 are simultaneously driven to move, then the elastic rod 14 drives the extrusion rods 16 on two sides of the elastic rod to rotate at a certain angle, the extrusion rods 16 are pulled out from the gas collecting bag 17, the extrusion rods 16 drive the compression springs 18 on one end of the extrusion rods to deform to a certain degree, the compression springs 18 drive the gas pressure bag 19 on one side of the compression rods to deform, at the moment, when the gas collecting bag 17 and the gas pressure bag 19 are extruded to deform, gas in the gas conveying pipeline 20 is introduced into the surface of the lamp source 10, and then the gas is blown to the surface of the lamp source 10 through holes on the surface of the clamping base 12, so that dust adhered to some devices in the shell 1 can be blown away, the service life of the devices in the shell is prevented from being influenced by the dust, meanwhile, the temperature of the lamp source 10 and the temperature in the shell 1 can be reduced, and the service life of the lamp source 10 is prolonged, the use is more convenient.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.

Claims (1)

1. A projection device capable of automatically adjusting projection area according to use environment comprises a shell (1), and is characterized in that: the novel LED lamp is characterized in that the inner part of the shell (1) is movably connected with a telescopic rod (2), the outer surface of the shell (1) is movably connected with a transparent mirror (3), the side surface of the shell (1) is movably connected with a movable screen (4), the inner part of the shell (1) is movably connected with an unfolding seat (5), the side surface of the unfolding seat (5) is rotatably connected with an unfolding rod (6), the inner wall of the shell (1) is movably connected with an elastic frame (7), the side surface of the elastic frame (7) is movably connected with a supporting seat (8), the side surface of the supporting seat (8) is movably connected with a pushing rod (9), one end of the pushing rod (9) is movably connected with a lamp source (10), the side surface of the lamp source (10) is movably connected with a buffering seat (11), and one end of the shell (1) which is positioned at the unfolding rod (6) is movably connected with a clamping seat (12), a top rod (13) is fixedly connected to the side surface of the holding seat (12), the other end of the top rod (13) is movably connected with an elastic rod (14), the other end of the elastic rod (14) is movably connected with a compression column (15), the left side and the right side of the elastic rod (14) are both rotatably connected with extrusion rods (16), one end of each extrusion rod (16) penetrates through the inside of the corresponding gas collecting bag (17), one end of each extrusion rod (16) is movably connected with a compression spring (18) in the corresponding gas collecting bag (17), and a gas pressure bag (19) is arranged on the side surface of each compression spring (18);
a rotating shaft matched with the telescopic rod (2) is arranged in the shell (1), and a rotating rod with the same diameter as the expanding rod (6) is arranged in the expanding seat (5);
an elastic spring is arranged in the elastic frame (7), the diameter of the elastic frame (7) is smaller than that of the supporting seat (8), and the outer surface of the lamp source (10) is fixedly connected with a mounting seat;
a buffer spring is movably connected inside the buffer seat (11), a rotating rod with the same diameter as the unfolding rod (6) is arranged on the outer surface of the clamping seat (12), and air holes are formed in the outer surface of the clamping seat (12);
one end of the compression column (15) is connected with the inner surface of the movable screen (4), and a bearing seat matched with the elastic rod (14) is arranged on the surface of the compression column (15);
the outer surface of the air collecting bag (17) is provided with air holes, the outer surface of the air collecting bag (17) is fixedly connected with an air transmission pipeline (20), one end of the air transmission pipeline (20) is connected with the side surface of the clamping seat (12), and the air collecting bag (17) is made of rubber;
when the device is normally used, projection processing is carried out on the device through the light-transmitting mirror (3), when the projection range is too small, the adjacent unfolding seat (5) and the clamping seat (12) are increased by pushing the unfolding rod (6), the clamping seat (12) can simultaneously drive the telescopic rod (2) to rotate at a certain angle, then the telescopic rod (2) drives the movable screen (4) to do certain stretching action, the movable screen (4) can drive the elastic frame (7) inside the movable screen to move telescopically to a certain degree at the moment, so that the elastic frame (7) moves to one side close to the pushing and holding rod (9), the elastic frame (7) can drive the supporting seat (8) to extrude the pushing and holding rod (9), then the pushing and holding rod (9) drives the lamp source (10) at one end of the elastic frame to move to one side of the light-transmitting mirror (3), the maximum projection picture distance is meter x meter and the minimum focus of a liquid crystal sheet size, the focal length of the light source (10) close to the light-transmitting mirror (3) is reduced, and in the process of unfolding the light-transmitting mirror (3), the movable screen (4) is stretched to be enlarged, and in the process of moving the light-transmitting mirror (3), the maximum projection picture is calculated according to the maximum projection picture formula, and under the action of the light source (10) and the light-transmitting mirror (3), the maximum projection picture is enlarged, so that the effect of changing the shape of the light-transmitting mirror and enlarging the projection picture by the focal length is achieved;
in the process that the holding seat (12) drives the telescopic rod (2) to move, the push rod (13) and the elastic rod (14) can be simultaneously driven to move, then the elastic rod (14) drives the extrusion rods (16) on the two sides of the elastic rod to rotate at a certain angle, the extrusion rods (16) can be pulled out from the gas collecting bag (17), the extrusion rods (16) can drive the compression springs (18) on one end of the extrusion rods to deform to a certain degree, the compression springs (18) can drive the gas pressure bag (19) on one side of the compression rods to deform, and at the moment, when the gas collecting bag (17) and the gas pressure bag (19) are extruded to deform, the gas in the gas transmission pipeline (20) is introduced into the gas transmission pipeline and then is blown to the surface of the lamp source (10) through the holes on the surface of the clamping seat (12), so that not only can dust adhered to some devices in the shell (1) be blown away, but also the temperature in the lamp source (10) and the shell (1) can be reduced.
CN202011057668.1A 2020-09-29 2020-09-29 Projection device capable of automatically adjusting projection area according to use environment Active CN112130406B (en)

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CN112664910B (en) * 2020-12-30 2022-11-25 北京良辰光启数字技术有限公司 Information technology market light control device

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CN210035170U (en) * 2019-05-22 2020-02-07 李康召 Gardens are with floor-lamp with lift protect function
CN110359370A (en) * 2019-07-17 2019-10-22 广东迈诺工业技术有限公司 Drag-line and its manufacturing method with sealing structure rain cover
CN110833408A (en) * 2019-11-28 2020-02-25 西安交通大学 Sensor device for electromyographic recording of muscle signals of the skin

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