CN113075849A - Animation projection control method - Google Patents
Animation projection control method Download PDFInfo
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- CN113075849A CN113075849A CN202110358991.0A CN202110358991A CN113075849A CN 113075849 A CN113075849 A CN 113075849A CN 202110358991 A CN202110358991 A CN 202110358991A CN 113075849 A CN113075849 A CN 113075849A
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- projection
- time
- animation
- image disc
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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
- G03B21/14—Details
- G03B21/20—Lamp housings
- G03B21/206—Control of light source other than position or intensity
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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
- G03B23/00—Devices for changing pictures in viewing apparatus or projectors
- G03B23/08—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier
- G03B23/10—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier drum or disc carrier
- G03B23/105—Devices for changing pictures in viewing apparatus or projectors in which pictures are attached to a movable carrier drum or disc carrier disc carriers
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/001—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes using specific devices not provided for in groups G09G3/02 - G09G3/36, e.g. using an intermediate record carrier such as a film slide; Projection systems; Display of non-alphanumerical information, solely or in combination with alphanumerical information, e.g. digital display on projected diapositive as background
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Projection Apparatus (AREA)
Abstract
The invention discloses an animation projection control method, which comprises the following steps: setting projection picture parameters in a control system, wherein the projection picture parameters comprise: the control system controls the transmission system to rotate so as to drive the image disc to rotate, the control system controls the LED lamp to continuously flash off according to the LED on-off period and the duty ratio in the single picture playing time, and controls the image disc to rotate and switch to the next picture according to the image disc rotating speed G, the rotating time H of each time and the image disc stopping time I of each time in the last empty time so as to realize the circular projection of the animation. The animation projection control method provided by the invention can realize the GIF animation projection effect, the display time of a single picture is controllable, the projection effect of more than 40 frames is realized, the picture does not flicker, and the watching is comfortable.
Description
Technical Field
The invention relates to the technical field of projection control methods, in particular to an animation projection control method.
Background
The projection device is used as a device for projecting static and dynamic pictures, is widely used in daily life and workplaces of people, the display time of a single picture cannot be controlled in the prior art, the picture can realize less than 40 frames of animation projection effect during projection, and some projection pictures have flickering phenomena to influence the viewing comfort level.
Disclosure of Invention
The invention mainly solves the technical problem of providing an animation projection control method, which can realize the GIF animation projection effect, has controllable single picture display time, realizes the projection effect of more than 40 frames, has no flicker in pictures and is comfortable to watch.
In order to solve the technical problems, the invention adopts a technical scheme that: the method for controlling the animation projection is applied to an animation projection mechanism, and specifically comprises the following steps:
(1) setting projection picture parameters in a control system, wherein the projection picture parameters comprise: the method comprises the following steps of projecting an animation frame number A, an image disc image number B, a single image playing time length C, an LED on-off period D and an LED duty ratio E, wherein B is more than 1, C = D integer with the unit of ms, and D = 1000/A with the unit of ms;
(2) the control system controls the transmission system to rotate so as to drive the image disc to rotate, and the rotating speed G of the image disc is calculated, wherein G is 1000/{ [ 1000/A (1-E) ]/(1/B) }/{ (1-E) B }; calculating the time H of each rotation of the image disc, the time I of each stop of the image disc and the time J of each lighting of the LED; calculating the flash-off times F of the LED with a single picture, wherein F is C (x) A/1000;
(3) and in the single picture playing time, the control system controls the LED lamp to continuously flash off according to the LED on-off period and the duty ratio, and in the last empty time, the control system controls the image disc to rotate and switch to the next projection picture according to the image disc rotating speed G, the rotating time H of each time and the stopping time I of each time of the image disc so as to realize continuous and cyclic projection of the animation.
In a preferred embodiment of the present invention, in step (1), the number of frames of the projection animation is A units of HZ, wherein A > 40.
In a preferred embodiment of the invention, the time H of each rotation of the image disc is 1000/A (1-E); the stop time I of the image disc is C-H; the time J ═ D ═ E ═ 1000 ═ E/A ═ E (1-E) for each turn on of the LED.
In a preferred embodiment of the present invention, when B =10, the projection effect between 80ms ≦ C ≦ 120ms is better.
In a preferred embodiment of the present invention, the image disc is provided with a position detection device, and the position detection device performs position detection and position correction on the image disc which runs for a long time.
In a preferred embodiment of the invention, the drive system is controlled using the start-stop action of a servo motor.
The invention has the beneficial effects that: the animation projection control method can realize the GIF animation projection effect, and the display time of a single picture is controllable; the smooth short animation and short video circulating projection is realized by using a low number of pictures; the projection effect of more than 40 frames is realized, the picture has no flicker, and the watching is comfortable.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a block diagram of an animation projection control method according to the present invention;
FIG. 2 is a schematic diagram of the operation of the position detection device in an embodiment of the present invention;
FIG. 3 is a schematic diagram of turning on and off an LED lamp in the animation projection control method according to the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the embodiment of the present invention is: an animation projection control method is applied to an animation projection mechanism, and specifically comprises the following steps:
(1) setting projection picture parameters in a control system, wherein the projection picture parameters comprise: the projection animation frame number A, the image disc figure number B, the single picture playing time C, the LED on-off period D and the LED duty ratio E, wherein the projection animation frame number A is in a unit HZ, A is more than 40, B is more than 1, C = D is an integer, the unit is ms, D is 1000/A and the unit is ms, and when B =10, the projection effect is better when C is more than or equal to 80ms and less than or equal to 120 ms;
(2) the image disc is provided with a position detection device which is in communication connection with a control system, the position detection device can be a photoelectric detection switch or a magnetic inductor, and the like, the control system controls a transmission system to rotate so as to drive the image disc to rotate, and the rotation speed G of the image disc is calculated, wherein G is 1000/{ (1000/A (1-E) }/(1/B) } A/{ (1-E) B }; calculating the time H of each rotation of the image disc, the time I of each stop of the image disc and the time J of each lighting of the LED; calculating the flash-off times F of the LED with a single picture, wherein F is C (x) A/1000;
(3) and in the single picture playing time, the control system controls the LED lamp to continuously flash off according to the LED on-off period and the duty ratio, and in the last empty time, the control system controls the image disc to rotate and switch to the next projection picture according to the image disc rotating speed G, the rotating time H of each time and the stopping time I of each time of the image disc so as to realize the animation circular projection.
Specifically, the time H of each rotation of the image disc is 1000/A (1-E); the stop time I of the image disc is C-H; the time J ═ D ═ E ═ 1000 ═ E/A ═ E (1-E) for each turn on of the LED.
As shown in fig. 2, a position detection device is disposed on the image disc, the position detection device performs position detection and position error correction on a transmission system operating for a long time, specifically, the transmission system can use start-stop motion control of a servo motor, in addition, in order to save cost, the start-stop motion of the servo motor can be replaced by an intermittent transmission mechanism, the intermittent transmission mechanism is designed according to the number of pictures of the image disc, meanwhile, in order to increase the number of pictures of the image disc, a transmission ratio structure can be added between the intermittent mechanism and the image disc in consideration of the limitation of the design of the intermittent mechanism, and a single intermittent transmission mechanism can realize control of image discs with different numbers of pictures.
As shown below, data for three specific examples of the present invention are listed:
example 1:
setting projection picture parameters in a control system, wherein the number A of projection animation frames is 50HZ, the number B of images on an image disc is 10, the playing time length C of a single picture is 120ms, the LED on-off period D is 20ms, the LED duty ratio E is 2:5, calculating the rotating speed G of the image disc to be 8.33 r/s, and when a servo motor stops, according to the action of a servo motor encoder signal LED, according to the LED on-off period 20ms and the duty ratio 2: 5. and 6 times of lighting and extinguishing, namely, in the last empty time of the LED, the servo motor switches the moving image disc to the next one and stops after rotating for 36 degrees. In a similar way, when the start-stop action of the servo motor can be replaced by the intermittent transmission system, the intermittent transmission system is designed according to the number of pictures, and meanwhile, in order to increase the number of pictures of the image disc, the limitation of the intermittent mechanism design is considered, a transmission ratio structure can be added between the intermittent mechanism and the image disc, and the control of the image disc with different numbers of pictures by the single intermittent transmission mechanism is realized.
Example 2:
setting projection picture parameters in a control system, wherein the number A of projection animation frames is 50HZ, the number B of pictures on an image disc is 10, the playing time length C of a single picture is 60ms, the LED on-off period D is 20ms, the LED duty ratio E is 4:5, calculating the rotating speed G of the image disc to be 25 r/s, when a servo motor stops, according to the action of a servo motor encoder signal LED, according to the LED on-off period 20ms and the duty ratio 4: 5. and the LED is turned on and off for 3 times, and the servo motor switches the moving picture disc to the next picture and stops after rotating for 36 degrees in the last empty time of the LED. In a similar way, when the start-stop action of the servo motor can be replaced by the intermittent transmission system, the intermittent transmission system is designed according to the number of pictures, and meanwhile, in order to increase the number of pictures of the image disc, the limitation of the intermittent mechanism design is considered, a transmission ratio structure can be added between the intermittent mechanism and the image disc, and the control of the image disc with different numbers of pictures by the single intermittent transmission mechanism is realized.
Example 3:
setting projection picture parameters in a control system, wherein the number A of projection animation frames is 60HZ, the number B of pictures on an image disc is 10, the playing time length C of a single picture is 33.34ms, the LED on-off period D is 16.67ms, the LED duty ratio E is 4:5, calculating the rotating speed G of the image disc to be 30 r/s, and when a servo motor stops, according to the action of a servo motor encoder signal LED, according to the LED on-off period of 16.67ms and the duty ratio of 4: 5. and 2 times of lighting and extinguishing, namely, in the last empty time of the LED, the servo motor switches the moving image disc to the next one and stops after rotating for 36 degrees. In a similar way, when the start-stop action of the servo motor can be replaced by the intermittent transmission system, the intermittent transmission system is designed according to the number of pictures, and meanwhile, in order to increase the number of pictures of the image disc, the limitation of the intermittent mechanism design is considered, a transmission ratio structure can be added between the intermittent mechanism and the image disc, and the control of the image disc with different numbers of pictures by the single intermittent transmission mechanism is realized.
In summary, the animation projection control method provided by the invention has the following advantages:
(1) the GIF animation projection effect can be realized, and the single picture display time is controllable;
(2) the smooth short animation and short video circulating projection is realized by using a low number of pictures;
(3) the projection effect of more than 40 frames is realized, the picture has no flicker, and the watching is comfortable.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by the present specification, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. An animation projection control method is applied to an animation projection mechanism, and is characterized by specifically comprising the following steps of:
(1) setting projection picture parameters in a control system, wherein the projection picture parameters comprise: the method comprises the following steps of projecting an animation frame number A, an image disc frame number B, a single image playing time length C, an LED on-off period D and an LED duty ratio E, wherein B is more than 1, C = D integer with the unit of ms, D = 1000/A with the unit of ms;
(2) the control system controls the transmission system to rotate so as to drive the image disc to rotate, and the rotating speed G of the image disc is calculated, wherein G is 1000/{ [ 1000/A (1-E) ]/(1/B) }/{ (1-E) B }; calculating the time H of each rotation of the image disc, the time J of each lightening of the image disc at the time I, LED of each stop of the image disc and the flashing frequency F of the single-picture LED, wherein F is C A/1000;
(3) and in the single picture playing time, the control system controls the LED lamp to continuously flash off according to the LED on-off period and the duty ratio, and in the last empty time, the control system controls the image disc to rotate and switch to the next picture according to the image disc rotating speed G, the time H of each rotation and the time I of each stop of the image disc so as to realize the cyclic projection of the animation.
2. The animation projection control method according to claim 1, wherein in the step (1), the number of projection animation frames is a units HZ, and a > 40.
3. The animation projection control method as claimed in claim 1, wherein the image disk rotates for 1000/ajo (1-E); the stop time I of the image disc is C-H; the time J ═ D ═ E ═ 1000 ═ E/A ═ E (1-E) for each turn on of the LED.
4. An animation projection control method as claimed in claim 1, wherein when B =10, the projection effect is better between 80ms ≦ C ≦ 120 ms.
5. The animation projection control method according to claim 1, wherein a position detection device is provided on the image disk, and the position detection device performs position correction on a servo motor that operates for a long time.
6. The animation projection control method of claim 1, wherein the driving system includes, but is not limited to, start-stop motion control using a servo motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110358991.0A CN113075849A (en) | 2021-04-02 | 2021-04-02 | Animation projection control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110358991.0A CN113075849A (en) | 2021-04-02 | 2021-04-02 | Animation projection control method |
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| CN113075849A true CN113075849A (en) | 2021-07-06 |
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| CN1080731A (en) * | 1992-06-25 | 1994-01-12 | 张炳寅 | Box type multi-function cartoon projector |
| US20100277696A1 (en) * | 2009-05-04 | 2010-11-04 | Huebner Kenneth J | Light array projection and sensing system |
| CN205563059U (en) * | 2016-04-20 | 2016-09-07 | 派格斯机电设备（深圳）有限公司 | Control structure of many pictures of LOGO projection lamp |
| CN106998125A (en) * | 2017-04-05 | 2017-08-01 | 深圳富视安智能科技有限公司 | A kind of stepping motor system detected by angular transducer with error correction |
| CN107643604A (en) * | 2017-10-20 | 2018-01-30 | 华中科技大学 | A kind of rotating mirror formula three-dimension dynamical display system and method |
| CN207471311U (en) * | 2017-11-30 | 2018-06-08 | 谢海峰 | Projection device and optical projection system |
| CN109637400A (en) * | 2019-01-09 | 2019-04-16 | 顾金辉 | The projecting lamp of dynamic menu can be presented |
| CN109681834A (en) * | 2018-12-29 | 2019-04-26 | 广州市珠江灯光科技有限公司 | A kind of stage lighting projection structure having animation effect |
| CN209343125U (en) * | 2019-03-15 | 2019-09-03 | 郑州乐迪光电科技有限公司 | A kind of animation projector mechanism |
-
2021
- 2021-04-02 CN CN202110358991.0A patent/CN113075849A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE867419A (en) * | 1977-07-18 | 1978-09-18 | Monroe Auto Equipment Co | PLATE CORRECTION LEG FOR VEHICLE SUSPENSION AND METHOD FOR MANUFACTURING IT |
| CN1080731A (en) * | 1992-06-25 | 1994-01-12 | 张炳寅 | Box type multi-function cartoon projector |
| US20100277696A1 (en) * | 2009-05-04 | 2010-11-04 | Huebner Kenneth J | Light array projection and sensing system |
| CN205563059U (en) * | 2016-04-20 | 2016-09-07 | 派格斯机电设备（深圳）有限公司 | Control structure of many pictures of LOGO projection lamp |
| CN106998125A (en) * | 2017-04-05 | 2017-08-01 | 深圳富视安智能科技有限公司 | A kind of stepping motor system detected by angular transducer with error correction |
| CN107643604A (en) * | 2017-10-20 | 2018-01-30 | 华中科技大学 | A kind of rotating mirror formula three-dimension dynamical display system and method |
| CN207471311U (en) * | 2017-11-30 | 2018-06-08 | 谢海峰 | Projection device and optical projection system |
| CN109681834A (en) * | 2018-12-29 | 2019-04-26 | 广州市珠江灯光科技有限公司 | A kind of stage lighting projection structure having animation effect |
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| CN209343125U (en) * | 2019-03-15 | 2019-09-03 | 郑州乐迪光电科技有限公司 | A kind of animation projector mechanism |
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Application publication date: 20210706 |