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CN-115933291-B - Automatic adjustment method for projection area with projector

CN115933291BCN 115933291 BCN115933291 BCN 115933291BCN-115933291-B

Abstract

The invention relates to the field of light and shadow projection equipment, and discloses an automatic adjustment method with a projection area of a projector, which can automatically correct the position and the size of a projection image by using a starting image in the starting process of the projection equipment through the cooperation of a projection offset module and a projection zoom module, avoid a shielding object in an imaging area, so that the projection image of the projection equipment is clearer, the visual effect during watching is better, and the adjustment process is automatic adjustment, the projector is more convenient to use without personal participation, and meanwhile, the projection image is subjected to regional division by matching of the grid division module, so that the position of the shielding object and the distance to be adjusted for the projection image can be clearly known, the adjustment process is quicker and smoother, the trial and error times of equipment are reduced, the projection image can be maximized under the condition of shielding avoidance, and the optimal visual effect is reserved.

Inventors

  • LI QINJIAN
  • HU SHISHUAI
  • CHEN BO
  • LAI LIQIANG

Assignees

  • 深圳市和天创科技股份有限公司

Dates

Publication Date
20260505
Application Date
20221227

Claims (10)

  1. 1. The automatic adjustment method with the projector projection area comprises a projection device, a body stabilizing device, a grid dividing module, an image capturing module, an image comparison module, an obstacle analysis module, a projection offset module and a projection scaling module, and is characterized by comprising the following working steps: S1, projection, namely firstly installing projection equipment on a machine body stabilizing device, then aligning the projection equipment to an imaging area, starting the projection equipment, and putting the projection equipment into the imaging area to be influenced; s2, dividing the region, namely dividing the presented image into small square grids which are orderly arranged by a grid dividing module according to pixel points; S3, after the image projected by the projection equipment is focused, the image capturing module acquires projected image information, and the image comparison module compares the projected image information with source data to judge whether shielding exists; S4, shifting the image by a corresponding distance according to the grid column number or the line number of the shielding area by a projection shifting module, and avoiding shielding objects; S5, scaling the image, namely when a plurality of shadows are formed around the projected image and cannot be avoided, calculating the position of a shadow object by the projection scaling module through a grid, scaling the projected image and avoiding the shadow object; The utility model provides a projection equipment specifically is projector (1), the side of projector (1) is provided with louvre (11), and the front of projector (1) is provided with projection mouth (12), infrared sensor (13), camera lens (14), and the back of projector (1) is provided with power key and data interface, fuselage stabilization equipment includes base (2) and connecting piece (3), connecting piece (3) are circular, and the diameter of connecting piece (3) is greater than the length and the width of projector (1), base (2) and connecting piece (3) are assembled together, and the concatenation department of projector (1), base (2) and connecting piece (3) is provided with adjustment mechanism (4).
  2. 2. The method of claim 1, wherein the obstacle analysis module analyzes a specific position of the obstacle in the grid network and sets an optimal avoidance line for the projection offset module and the projection zoom module.
  3. 3. The method for automatically adjusting a projection area of a projector according to claim 1, wherein: when the projection scaling module scales the image, the projection offset module also participates in the work.
  4. 4. The automatic adjusting method with the projector projection area of claim 1, wherein the connecting piece (3) is L-shaped, two sides of the connecting piece (3) are respectively covered on the bottom surface and the back surface of the projector (1), the adjusting mechanism (4) comprises a direction adjusting sliding groove (41) formed in the outer surfaces of the two sides of the connecting piece (3), fixing grooves (42) are formed in the bottom walls of the two ends of the direction adjusting sliding groove (41), a direction adjusting sliding block (43) extending into the direction adjusting sliding groove (41) is fixedly connected to the top of the base (2), the direction adjusting sliding block (43) is slidably connected in the direction adjusting sliding groove (41), the adjusting mechanism (4) further comprises a mounting groove (44) formed in the center of the bottom of the base (2), a rotating button (45) is rotatably connected in the mounting groove (44), a jack (46) is formed in the top of the rotating button (45), a fixing rod (47) is slidably inserted into the inner side of the jack (46), the other end of the fixing rod (47) penetrates through the base (2) and enters the direction adjusting sliding block (43) and is flush with the fixing groove (43), and the fixing rod (43) is screwed into the fixing groove (43).
  5. 5. The method of automatic adjustment of projection area of projector according to claim 4, wherein the two ends of the direction adjustment chute (41) extend to the middle point of the two sides of the connecting piece (3), respectively.
  6. 6. The method of automatic adjustment of a projection area of a projector according to claim 4, wherein the adjusting mechanism (4) further comprises a distance adjusting chute (48) formed on the inner surface of the bottom edge of the connecting piece (3), a distance adjusting slide block (49) is fixedly connected to the bottom of the base (2), and the distance adjusting slide block (49) is slidably connected to the distance adjusting chute (48).
  7. 7. The automatic adjustment method with the projector projection area of claim 6, wherein the inside of the base (2) is provided with a stabilizing mechanism (5), the stabilizing mechanism (5) comprises a containing groove (51) and a rotating groove (53) which are formed in the bottom of the base (2), the containing groove (51) is circumferentially distributed on the outer edge of the base (2), the rotating groove (53) is sleeved on the periphery of the mounting groove (44), a rotating ring (54) is rotatably connected in the rotating groove (53), an array distributed movable groove (55) is formed in the outer side of the rotating ring (54), a containing sliding groove (56) is formed in the inner wall of the movable groove (55), the distance between two ends of the containing sliding groove (56) and the center of a stabilizing plate (52) is the same, a containing sliding block (57) is slidably connected in the containing sliding groove (56), a penetrating sliding block (58) is arranged between the rotating groove (53) and the containing groove (51), and the adjusting block (49) is arranged between the containing sliding block and the stabilizing plate (52).
  8. 8. The method of automatic adjustment of a projection area of a projector according to claim 7, wherein the weight of the stabilizing plate (52) is greater than the weight of the connector (3).
  9. 9. The method for automatically adjusting the projection area of the projector according to claim 7, wherein a balance slide groove (510) is formed in one side, close to the connecting rod (59), of the stabilizing plate (52), a balance slide block (511) is connected inside the balance slide groove (510) in a sliding mode, one end of the connecting rod (59) is fixedly connected with the accommodating slide block (57), the other end of the connecting rod is fixedly connected with the balance slide block (511), and the accommodating groove (51) is in a fan-shaped shape.
  10. 10. The method of claim 7, wherein the bottom of the rotating knob (45) is fixedly connected with a toggle bar, the bottom of the rotating ring (54) is provided with circumferentially-arrayed holding openings (512), and the holding openings (512) are designed to be deep and shallow in a clockwise direction and a counterclockwise direction.

Description

Automatic adjustment method for projection area with projector Technical Field The present invention relates to the field of light and shadow projection equipment, and more particularly, to an automatic adjustment method for a projection area of a projector. Background The projector is an image device which uses a light lens projection amplifying technology to convert video images to be emitted in a strong light mode and finally displays amplified pictures in an imaging area. When the projector is used, no fixed projection places exist, and an open area (wall surface, wall top, wardrobe and door) is selected at will for projection according to furniture furnishings and personal living habits of the living environment, but the areas are not always absolutely open, other objects are interfered (wall surface, desk, chair, cabinet, window, switch, ornament and the like, wall top, top beam, lamp and the like, wardrobe and door, handles, hanging objects and the like), so that the position of the projection needs to be adjusted for better watching effect, the process is very complicated, and the process is more difficult for some people who do not know about intelligent equipment, so that an automatic adjustment method with the projection area of the projector is provided for solving the problem. Disclosure of Invention 1. Technical problem to be solved The invention aims to solve the problems in the prior art and provide an automatic adjustment method with a projector projection area, the project offset module and the projection scaling module are matched to automatically correct the position and the size of the projection image by using a startup image in the startup process of projection equipment, and avoid a shielding object existing in an imaging area, so that the projection image of the projection equipment is clearer, the visual effect during watching is better, the adjustment process is automatic adjustment, personal participation is not needed, the use of the projector is more convenient, and meanwhile, the grid division module is matched to divide the projection image into areas, so that the position of the shielding object and the distance to be adjusted for the projection image can be clearly known, the adjustment process is quicker and smoother, the trial-and-error times of the equipment are reduced, the projection image can be maximized under the condition of avoiding shielding, and the optimal visual effect is reserved. 2. Technical proposal In order to solve the problems, the invention adopts the following technical scheme. The automatic adjustment method with the projector projection area comprises a projection device, a body stabilizing device, a grid dividing module, an image capturing module, an image comparison module, an obstacle analysis module, a projection offset module and a projection scaling module, wherein the working steps comprise: S1, projection, namely firstly installing projection equipment on a machine body stabilizing device, then aligning the projection equipment to an imaging area, starting the projection equipment, and putting the projection equipment into the imaging area to be influenced; The projection equipment is internally provided with a picture for checking, and a picture which can be started is arranged in the picture; s2, dividing the region, namely dividing the presented image into small square grids which are orderly arranged according to pixel points by a grid dividing module, wherein the aspect ratio of the small square grids is the same as that of the presented image; S3, after the image projected by the projection equipment is focused, the image capturing module acquires projected image information, and the image comparison module compares the projected image information with source data to judge whether shielding exists; the image capturing module automatically starts working at the moment when the projection equipment starts to throw out images, and the capturing speed of ten pictures per second is maintained; S4, shifting the image by a corresponding distance according to the grid column number or the line number of the shielding area by a projection shifting module, and avoiding shielding objects; S5, scaling the image, namely when a plurality of shadows are formed around the projected image and cannot be avoided, calculating the position of a shadow object by the projection scaling module through a grid, scaling the projected image and avoiding the shadow object; when the projection scaling module scales the image, the projection offset module also participates in the work, and the projection offset module cooperate to achieve the optimal effect; Through the cooperation work of projection skew module and projection scaling module, can let projection equipment in the start-up process, utilize the position and the size of boot image automatic proofreading projection image, avoid the shelter from that imaging area exists, make projection equipment's project