CN115206210A - Display cabinet projection display device and control method - Google Patents
Display cabinet projection display device and control method Download PDFInfo
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- CN115206210A CN115206210A CN202210848179.0A CN202210848179A CN115206210A CN 115206210 A CN115206210 A CN 115206210A CN 202210848179 A CN202210848179 A CN 202210848179A CN 115206210 A CN115206210 A CN 115206210A
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- 230000007246 mechanism Effects 0.000 claims abstract description 70
- 238000012544 monitoring process Methods 0.000 claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 11
- 239000000758 substrate Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000009434 installation Methods 0.000 claims description 5
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F19/00—Advertising or display means not otherwise provided for
- G09F19/12—Advertising or display means not otherwise provided for using special optical effects
- G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS 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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
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Abstract
The invention discloses a display cabinet projection display device and a control method, and relates to the technical field of display projection. In the invention: one side of the shielding guide plate is provided with a projection moving frame which moves directionally, the output side of the telescopic device is connected with the projection moving frame, and the projection moving frame is provided with a projection mechanism and a rotating device which drives the projection mechanism to rotate. A height monitoring mechanism facing the direction of the display cabinet is fixedly installed on a side wall plate of the scene. The display cabinet is provided with a driving screw rod in driving connection with the servo motor. The bottom of the fixed back plate is fixedly provided with a telescopic mechanism and a detection fixing frame positioned at the upper side of the telescopic mechanism. A curtain frame is arranged between the front end of the arc-shaped guide plate and the top end of the fixed back plate. The invention effectively reduces the projection interference of the illuminating lamp to the projection direction, prevents the influence of the light around the displayed article in the display cabinet on the front side of the curtain, improves the projection playing effect of article display, and also realizes providing more comfortable projection viewing angles for people with different heights.
Description
Technical Field
The invention relates to the technical field of display projection, in particular to a display cabinet projection display device and a control method.
Background
When the goods are displayed and displayed, the goods are placed in the display cabinet, people can only see that one 'goods' is placed in the display cabinet through the display cabinet, and even if the display board is arranged beside the goods, people rarely see the character information in the display board. This has led to people looking through the contents of the display case "marquee". In order to improve the watching interest of people, videos related to articles in the display cabinet are projected and played on the display cabinet, and sources, processing, uses, advantages and the like of the articles are played and introduced one by one. However, during projection, the projection is greatly affected by lighting in the scene, and the projection effect of the side curtain on the display cabinet is deteriorated due to the fact that the lighting is generally arranged around the objects in the display cabinet.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a display cabinet projection display device and a control method, which effectively reduce projection interference of an illuminating lamp on a projection direction, prevent light around a displayed article in a display cabinet from influencing the front side of a curtain, improve the projection playing effect of article display, and realize the purpose of providing comfortable projection viewing angles for people with different heights.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the invention provides a projection display device of a display cabinet, which comprises the display cabinet, wherein an illuminating lamp is arranged at the top of a scene where the display cabinet is located, a fixed top plate is fixedly arranged at the top of the scene, a shielding guide plate is fixedly connected to one side of the fixed top plate, a telescopic device is fixedly arranged on the fixed top plate, a projection moving frame which can move directionally is arranged at one side of the shielding guide plate, the output side of the telescopic device is connected with the projection moving frame, and the projection moving frame is provided with a projection mechanism and a rotating device which drives the projection mechanism to rotate. Scene one side wallboard fixed mounting has the height monitoring mechanism towards the show cupboard direction, the inside servo motor that disposes of show cupboard, the show cupboard disposes the drive screw who is connected with the servo motor drive, the show cupboard top disposes the direction base plate of installing on drive screw, direction base plate one side fixed mounting fixed backplate, fixed backplate bottom fixed mounting has telescopic machanism and the detection mount that is located telescopic machanism upside position, the telescopic machanism output side is provided with the arc baffle, install the curtain frame between arc baffle front end and the fixed backplate top, enclose installation projection curtain in the curtain frame, the arc baffle up side is provided with one section differential tooth mouth, it is provided with the transmission fluted disc with the meshing of differential tooth mouth to survey the mount front end, it embeds to have the angle detection module who links to each other with the transmission fluted disc to survey the mount.
As a preferred technical scheme of the projection display device of the display cabinet, the invention comprises the following steps: the telescopic device is internally provided with a distance sensing module for sensing and detecting the lifting position of the projection moving frame, the rotating device is internally provided with an angle coding module for sensing and detecting the rotating angle of the projection mechanism, and the servo motor is internally provided with an angle coding module.
As an optimized technical scheme of the projection display device of the display cabinet, the invention comprises the following steps: the output end of the servo motor comprises an output rotating shaft and a driving gear fixedly installed on the output rotating shaft, and a driven gear meshed with the driving gear is fixedly installed at the bottom end of the driving screw rod.
As a preferred technical scheme of the projection display device of the display cabinet, the invention comprises the following steps: the show cupboard upside leans on back position fixed mounting to have the dorsal part carriage, and bearing arrangement is passed through in dorsal part carriage roof intermediate position department on the drive screw top, and guide substrate sets up and leads to the groove with drive screw matched with screw thread, and guide substrate both sides fixedly connected with supports the limit frame, supports the limit frame side and sets up and lead to the groove with the vertical sideboard matched with of dorsal part carriage.
As an optimized technical scheme of the projection display device of the display cabinet, the invention comprises the following steps: through pivot swing joint between curtain frame top and the fixed backplate top, through pivot swing joint between curtain frame bottom and the arc baffle front end.
As an optimized technical scheme of the projection display device of the display cabinet, the invention comprises the following steps: the projection direction of the projection mechanism is inclined downwards, and the installation direction of the projection screen of the screen frame is right opposite to the projection direction of the projection mechanism.
The invention provides a control method of a projection display device of a display cabinet, which comprises a control system for driving and controlling the projection display device, and comprises the following steps:
the method comprises the steps that firstly, a human body enters a monitoring range of a height monitoring mechanism, the height monitoring mechanism monitors the height of the human body, after a certain time, a control system matches height parameters of a curtain frame according to the height parameters of the human body, and the control system starts to drive a telescopic device, a rotating device, a servo motor and a telescopic mechanism to move.
And secondly, the servo motor drives the driving screw to rotate, the guide base plate is adjusted to the corresponding height position, the telescopic mechanism drives the arc-shaped guide plate to move, and the curtain frame is adjusted to the corresponding inclination angle position.
And thirdly, the telescopic device drives the projection moving frame to move, the projection mechanism is adjusted to the corresponding height position, the rotating device drives the projection mechanism to rotate, and the projection mechanism is adjusted to the corresponding inclination angle position.
In the adjusting process, the projection direction of the projection mechanism is perpendicular to the projection screen plane on the inner periphery of the screen frame, and the distance between the projection mechanism and the projection screen on the inner periphery of the screen frame is kept at a constant value.
As a preferred technical scheme of the control method of the invention: the control system is internally preset with a human height parameter set { H 1 ，H 2 ，...，H n Position parameter set of curtain frame { S } 1 ，S 2 ，...，S n An inclination angle set of a curtain frame { beta } 1 ，β 2 ，...，β n Position parameter set of projection mechanism { W } 1 ，W 2 ，...，W n An inclination angle set of the projection mechanism { alpha } 1 ，α 2 ，...，α n And then:
compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, the shielding fixing plate is designed to separate the illuminating lamp from the projection mechanism and the projection direction of the projection mechanism, so that the projection interference of the illuminating lamp on the projection direction is effectively reduced; simultaneously through the slope setting of the curtain frame with installation projection curtain, can enough cooperate projection mechanism to carry out front vertical projection, avoid projection picture tensile, deformation etc. also prevented to be in the show cupboard simultaneously and show the positive influence of light around the article to the curtain, improved the projection broadcast effect of article show.
2. The height monitoring mechanism monitors the height of a human body, controls and adjusts the height position and the inclination angle of the projection screen according to the height of the human body, and adjusts the height position and the inclination angle of the projection mechanism at the same time, thereby providing more comfortable projection viewing angles for people with different heights.
Drawings
FIG. 1 is a schematic view of the overall structure of the apparatus of the present invention.
Fig. 2 is a partially enlarged schematic structural view of a portion a in fig. 1.
Fig. 3 is a partially enlarged structural diagram at B in fig. 1.
FIG. 4 is a schematic diagram of the adjustment of the apparatus of the present invention.
FIG. 5 is a schematic view of the structure of the supporting, adjusting and fixing backboard above the display case of the present invention.
Description of reference numerals:
1-a lighting lamp; 2-a display cabinet; 3-fixing the top plate; 4-shielding the guide plate; 5-a telescopic device; 6-projection moving frame; 7-a projection mechanism; 8-a rotating device; 9-height monitoring mechanism; 10-a servo motor; 11-a drive screw; 12-a guide substrate; 13-a fixed back plate; 14-a telescoping mechanism; 15-arc guide plate; 16-a curtain frame; 17-an output shaft; 18-a drive gear; 19-a driven gear; 20-detecting the fixing frame; 21-an angle detection module; 22-a transmission fluted disc; 23-micro tooth gap; 24-a dorsal support frame; 25-supporting the side frame; 26-a guide through groove; 27-threaded through slots.
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 invention and do not limit the invention.
Example one
Please refer to fig. 1, light 1 is arranged at the scene top, scene top fixed mounting fixed roof 3, fixed roof 3 is close to the connection of light position and shelters from deflector 4, 3 fixed mounting telescoping device 5 of fixed roof, shelter from 4 directional installation projections of deflector and remove frame 6, the telescopic shaft lower extreme and the projection of telescoping device 5 remove frame 6 fixed connection, telescoping device 5 drives the projection and removes frame 6 and carry out the lift removal of vertical direction, projection mechanism 7 and rotating device 8 have been installed on the projection removal frame 6, rotating device 8 can drive projection mechanism 7 and rotate, adjust the inclination of projection mechanism 7. The height monitoring mechanism 9 faces the display cabinet 2, and when a person stands beside the display cabinet 2, the height monitoring mechanism 9 carries out sensing monitoring on the height of the human body. A servo motor 10 is arranged in the display cabinet 2, the servo motor 10 can drive a driving screw rod 11 to rotate, the height positions of a guide base plate 12 and a fixed back plate 13 are adjusted, a telescopic mechanism 14 is fixedly installed at the bottom end of the fixed back plate 13, the telescopic mechanism 14 drives an arc-shaped guide plate 15 to move, and the inclination angle of a curtain frame 16 is changed.
Referring to fig. 2, fig. 2 is a partially enlarged schematic structural diagram of a portion a in fig. 1, an output rotating shaft 17 of the servo motor 10 is disposed upward, a driving gear 18 is fixedly installed on the output rotating shaft 17 of the servo motor 10, a driven gear 19 is fixedly installed at a lower end of the driving screw 11, and the servo motor 10 drives the driving gear 18, the driven gear 19, and the driving screw 11 to rotate.
Referring to fig. 3, fig. 3 is a partially enlarged structural schematic view of a portion B in fig. 1, a telescopic mechanism 14 is fixedly installed at the bottom end of the fixed back plate 13, the telescopic mechanism 14 drives the arc-shaped guide plate 15 to move directionally (the moving path of the arc-shaped guide plate 15 is an arc-shaped curve), and a section of micro tooth opening 23 is formed in the upper side surface of the arc-shaped guide plate 15. The fixed back plate 13 is fixedly provided with a detection fixing frame 20, an angle detection module 21 is arranged in the detection fixing frame 20, the front end of the detection fixing frame 20 is provided with a transmission gear disc 22, and the transmission gear disc 22 is meshed with the micro-tooth opening 23. The arc-shaped guide plate 15 moves, the transmission fluted disc 22 rotates, and the angle detection module 21 senses and detects the rotating state of the transmission fluted disc 22.
Please refer to fig. 4, in which the height of the human body is H 2 Servo electricThe machine 10 drives the driving screw 11 to rotate, so as to adjust the height position of the curtain frame 16 to S 2 Adjusting the tilt angle of the curtain frame 16 to beta 2 . At the same time, the telescopic device 5 adjusts the height position of the projection mechanism 7 to W 2 Adjusting the inclination angle of the projection mechanism 7 to alpha 2 . With reference to FIG. 1, when the height of the human body is H 1 (H 1 <H 2 ) At the time, the height position of the curtain frame 16 is S 1 (S 1 <S 2 ) The curtain frame 16 is inclined at an angle of beta 1 (β 1 >β 2 ) The height position of the projection mechanism 7 is W 1 (W 1 <W 2 ) The inclination angle of the projection mechanism 7 is alpha 1 (α 1 >α 2 )。
Referring to fig. 5, a backside support frame 24 is fixedly mounted on the upper side of the display cabinet 2, the upper end of the driving screw 11 is mounted at the middle position of the top plate of the backside support frame 24 through a bearing structure, the guide substrate 12 is provided with a threaded through groove 27, the driving screw 11 is in threaded connection with the guide substrate 12, two sides of the guide substrate 12 are fixedly connected with a support frame 25, a guide through groove 26 is formed at the side end of the support frame 25, and the support frame 25 is in sliding fit connection with two side plates of the backside support frame 24 through the guide through groove 26.
Example two
In the invention, a human height parameter set { H } is preset in the control system 1 ，H 2 ，...，H n Position parameter set of curtain frame 16 { S } 1 ，S 2 ，...，S n The inclination angle set of the curtain frame 16 { beta } 1 ，β 2 ，...，β n Position parameter set of projection mechanism 7 { W } 1 ，W 2 ，...，W n The set of inclination angles of the projection mechanism 7 { alpha } 1 ，α 2 ，...，α n After the control system acquires the height parameter of the human body, the height position parameter and the inclination angle of the curtain frame 16 are firstly analyzed and output according to the height of the human body, and after the position of the curtain frame 16 and the inclination angle of the curtain frame are determined, the position and the inclination angle of the projection mechanism 7 are correspondingly adjusted to achieve a better projection effect (the control system prestores the projector)The geometric relationship between the curtain frame 16 and the frame 7). The height and the angle of the projection screen are observed through the eyes of a human body, the watching comfort degree of the human body is judged, and the relation between the height parameter of the human body and the height position parameter and the inclination angle parameter of the screen frame 16 is determined. Therefore, the overall mapping relationship is the following set mapping relationship:
EXAMPLE III
The invention relates to a control method of a projection display device of a display cabinet, which comprises a control system for driving and controlling the projection display device, and comprises the following specific contents:
firstly, a human body enters the monitoring range of the height monitoring mechanism 9, the height monitoring mechanism 9 monitors the height of the human body, after a certain time, the control system matches the height parameter of the curtain frame 16 according to the height parameter of the human body, and the control system starts to drive the telescopic device 5, the rotating device 8, the servo motor 10 and the telescopic mechanism 14 to act.
Then, the servo motor 10 drives the driving screw 11 to rotate, the guide base plate 12 is adjusted to a corresponding height position, the telescopic mechanism 14 drives the arc-shaped guide plate 15 to move, and the curtain frame 16 is adjusted to a corresponding inclination angle position.
Finally, the telescopic device 5 drives the projection moving frame 6 to move, the projection mechanism 7 is adjusted to a corresponding height position, the rotating device 8 drives the projection mechanism 7 to rotate, and the projection mechanism 7 is adjusted to a corresponding inclination angle position. In the adjusting process, the projection direction of the projection mechanism 7 is perpendicular to the projection screen plane on the inner periphery of the screen frame 16, and the distance between the projection mechanism 7 and the projection screen on the inner periphery of the screen frame 16 is kept at a constant value.
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 invention, 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 (8)
1. The utility model provides a show cupboard projection display device, includes show cupboard (2), and show cupboard (2) place scene top disposes light (1), its characterized in that:
a fixed top plate (3) is fixedly installed at the top of a scene, a shielding guide plate (4) is fixedly connected to one side of the fixed top plate (3), a telescopic device (5) is fixedly installed on the fixed top plate (3), a projection moving frame (6) capable of moving directionally is configured on one side of the shielding guide plate (4), the output side of the telescopic device (5) is connected with the projection moving frame (6), and a projection mechanism (7) and a rotating device (8) for driving the projection mechanism (7) to rotate are installed on the projection moving frame (6);
scene one side wallboard fixed mounting has height monitoring mechanism (9) towards the show cupboard direction, show cupboard (2) inside configuration has servo motor (10), show cupboard (2) dispose drive screw (11) of being connected with servo motor (10) drive, show cupboard (2) top configuration has guide substrate (12) of installing on drive screw (11), guide substrate (12) one side fixed mounting fixed back board (13), fixed back board (13) bottom fixed mounting has telescopic machanism (14) and is located detection mount (20) of telescopic machanism (14) upside position, telescopic machanism (14) output side is provided with arc baffle (15), install curtain frame (16) between arc baffle (15) front end and fixed back board (13) top, curtain frame (16) inner wall installation projection screen, the side is provided with one section differential tooth mouth (23) on arc baffle (15), it is provided with the detection module (21) of differential tooth mouth (23) engaged with to survey the tooth dish (22) that the mount surveys (20) embeds, the mount surveys the tooth dish (22) and links to each other with transmission tooth mouth (21).
2. A display case projection display apparatus as claimed in claim 1, wherein:
the telescopic device (5) is internally provided with a distance sensing module for sensing and detecting the lifting position of the projection moving frame (6), the rotating device (8) is internally provided with an angle coding module for sensing and detecting the rotating angle of the projection mechanism (7), and the servo motor (10) is internally provided with an angle coding module.
3. A display case projection display apparatus as claimed in claim 1, wherein:
the output end of the servo motor (10) comprises an output rotating shaft (17) and a driving gear (18) fixedly mounted on the output rotating shaft (17), and a driven gear (19) meshed with the driving gear (18) is fixedly mounted at the bottom end of the driving screw rod (11).
4. A display case projection display apparatus as claimed in claim 1, wherein:
show cupboard (2) upside leans on back position fixed mounting to have dorsal part carriage (24), bearing arrangement is passed through in drive screw (11) top and is installed in dorsal part carriage (24) roof intermediate position department, guide substrate (12) have been seted up and have been led to groove (27) with drive screw (11) matched with screw thread, guide substrate (12) both sides fixedly connected with supports side frame (25), support side frame (25) side is seted up and is led to groove (26) with dorsal part carriage (24) vertical sideboard matched with.
5. A display case projection display apparatus as claimed in claim 1, wherein:
the curtain frame (16) top and fixed backplate (13) top are through pivot swing joint between, through pivot swing joint between curtain frame (16) bottom and arc baffle (15) front end.
6. A display case projection display apparatus as claimed in claim 1, wherein:
the projection direction of the projection mechanism (7) is inclined downwards, and the projection curtain mounting direction of the curtain frame (16) is right opposite to the projection direction of the projection mechanism (7).
7. A control method of a projection display device for a display case, which is characterized in that the projection display device for a display case as claimed in any one of claims 1 to 6 is adopted, and the control system is used for driving and controlling the projection display device, and comprises the following steps:
(1) The human body enters the monitoring range of the height monitoring mechanism (9), the height monitoring mechanism (9) monitors the height of the human body, after a certain time, the control system matches the height parameter of the curtain frame according to the height parameter of the human body, and the control system starts to drive the telescopic device (5), the rotating device (8), the servo motor (10) and the telescopic mechanism (14) to act;
(2) The servo motor (10) drives the driving screw rod (11) to rotate, the guide base plate (12) is adjusted to a corresponding height position, the telescopic mechanism (14) drives the arc-shaped guide plate (15) to move, and the curtain frame (16) is adjusted to a corresponding inclination angle position;
(3) The telescopic device (5) drives the projection moving frame (6) to move, the projection mechanism (7) is adjusted to a corresponding height position, the rotating device (8) drives the projection mechanism (7) to rotate, and the projection mechanism (7) is adjusted to a corresponding inclination angle position;
in the adjusting process, the projection direction of the projection mechanism (7) is perpendicular to the projection screen plane on the inner periphery of the screen frame (16), and the distance between the projection mechanism (7) and the projection screen on the inner periphery of the screen frame (16) is kept at a constant value.
8. A display case projection display apparatus as claimed in claim 1, wherein:
wherein, a human height parameter set { H } is preset in the control system 1 ，H 2 ，...，H n Position parameter set (S) of curtain frame (16) 1 ，S 2 ，...，S n An inclination angle set [ beta ] of the curtain frame (16) 1 ，β 2 ，...，β n A set of position parameters { W } of the projection means (7) 1 ，W 2 ，...，W n And a set of inclination angles { alpha ] of the projection means (7) 1 ，α 2 ，...，α n And then:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210848179.0A CN115206210B (en) | 2022-07-19 | 2022-07-19 | Projection display device of display cabinet and control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210848179.0A CN115206210B (en) | 2022-07-19 | 2022-07-19 | Projection display device of display cabinet and control method |
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| CN115206210B CN115206210B (en) | 2024-01-16 |
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| CN216697735U (en) * | 2021-11-22 | 2022-06-07 | 贵阳市政建设有限责任公司 | Construction technology meets end display device based on BIM + VR |
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| CN115206210B (en) | 2024-01-16 |
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