A projection system with image processing function

By designing a fine-tuning mechanism and a clamping mechanism for the automatic adjustment projection system, the problem of requiring manual adjustment of height and brightness in existing projection systems has been solved, achieving automatic leveling and brightness adjustment, and improving the system's convenience and environmental adaptability.

CN115793373BActive Publication Date: 2025-11-04JIANGSU DYNAMIC TECH CO LTD
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Patent Information

Application Number
CN202211228453.0
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2022-10-09
Publication Date
2025-11-04
Estimated Expiration
2042-10-09

AI Technical Summary

Technical Problem

Existing projection systems require manual adjustment of height and brightness, which takes a long time and results in inconsistent brightness under different environments. Furthermore, they are cumbersome to disassemble in case of malfunction and lack automatic adjustment capabilities.

Method used

A projection system with image processing function was designed, including a fine-tuning mechanism, a clamping mechanism and an adjustment mechanism. It uses a photoresistor, a pressure sensor and a light emitter to automatically adjust the balance and brightness of the projected light, and combines a stabilizing motor and a clamping motor to achieve automatic leveling and fixation.

Benefits of technology

It enables automatic leveling and brightness adjustment of the projection system, reducing manual adjustment time and improving adaptability to different environments and ease of troubleshooting.

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    Figure CN115793373B_ABST
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Abstract

The application discloses a projection system with an image processing function, and relates to the technical field of projection systems.The projection system comprises an adjusting shell, a fine adjustment cavity is arranged in the adjusting shell, a fixed base is arranged at the right end of the adjusting shell, a first fixing block is arranged on the upper end surface of the adjusting shell, the first fixing block is provided with a fixing mechanism, a clamping mechanism is arranged in the fixed base, the adjusting shell is provided with a fine adjustment mechanism, the fine adjustment mechanism can adjust stable projection light and correct the balance of the left and right light, the fixed base can fix the adjusting shell, the fixing mechanism can adjust the front, back, left and right angles of the whole, the light emitter arranged in the fine adjustment mechanism can cause the inclination of the detection ball when the projection system is inclined, the image picture on the projection screen will be inclined after the inclination of the light emitter, the position of the side with the greater pressure of the two pressure sensors is low at the moment, and thus the starting of the adjusting relay and the angle adjustment of the light emitter are controlled, and the picture leveling is achieved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of projection system, in particular to a projection system with image processing function. BACKGROUND

[0002] The projection system is a kind of commonly used instrument in life, is suitable for everyone to watch and learn together, usually the projection system on the market needs to be installed manually adjusted, height is not adjustable, brightness also needs manual adjustment, manual adjustment needs to spend a long time, the brightness of image is not the same in different environments, the brightness of projection system needs to be adjusted, if the projection system cannot work normally, it is troublesome to disassemble;

[0003] The patent with application No. CN201310366124.7 discloses a projection screen self-adaptive geometric correction method, comprising: shooting the projection plane image without projection picture;The target original image to be corrected is projected into the projection plane to obtain the current projection picture;Shooting the projection plane image of the current projection picture;Collecting point cloud sample data of the projection plane;Obtaining homography matrix from camera plane to projection plane;Identify the frame number corresponding to the current projection picture, find the original projection image corresponding to the current projection picture;Get the corresponding relationship of two-dimensional position coordinates of matching features between the projection plane image with the original projection image of the current projection picture, respectively get the homography matrix from the projector plane to the camera plane and from the projector plane to the projection plane;Scale transformation processing is carried out on the next frame of target original image to be corrected to generate a transformed projection image;The transformed projection image is projected into the projection plane to obtain a new current projection picture;But the invention does not give a solution on how to adjust specifically, and there is no adjustment function on other aspects. SUMMARY

[0004] To solve the above problems, the present application is realized by the following technical scheme:

[0005] A projection system with image processing function, comprising an adjusting shell, a fine adjustment cavity is arranged in the adjusting shell, a fixed base is arranged at the right end of the adjusting shell, a first fixed block is arranged on the upper end face of the adjusting shell;

[0006] The first fixed block is provided with a fixing mechanism, the fixed base is provided with a clamping mechanism, the adjusting shell is provided with a fine adjustment mechanism, the fine adjustment mechanism can adjust and stabilize the projection light, and correct the balance of the left and right light, and the fixed base can fix the adjusting shell;

[0007] The fixing mechanism comprises an adjusting mechanism capable of adjusting the front and back and left and right angles of the whole, the first fixing block is rotationally connected with a spherical joint, the spherical joint is fixedly connected with a sleeve rod, the sleeve rod is slidably connected with a sliding shaft, the sliding shaft is slidably connected with a slide rail, the sleeve rod is fixedly connected with a fixing block, the fixing block is rotationally connected with a gear shaft, the first fixing block is fixedly connected with a connecting spring, the connecting spring is fixedly connected with a moving shell, the moving shell slides on the sleeve rod, the sleeve rod is fixedly connected with a fixing rod, and the fixing rod is fixedly connected with a moving block.

[0008] Preferably, the moving block is slidably connected with the moving shell, the moving shell is fixedly connected with a moving relay, the moving shell is slidably connected with the gear shaft, the moving shell is provided with a rough section of the groove capable of clamping the gear shaft to be stationary within the range in which the gear shaft is capable of sliding, the gear shaft is fixedly connected with a gear, and the gear is engaged with the sliding shaft.

[0009] Preferably, the adjusting mechanism comprises four stabilizing motors fixedly connected with the second fixing block, the second fixing block is slidably connected with four sliding rods, the stabilizing motors are power-connected with threaded sleeve shafts, the threaded sleeve shafts are threadedly connected with threaded shafts, the upper ends of the threaded shafts are fixedly connected with protective rubbers, and the fixing block is fixedly connected with a scanner.

[0010] Preferably, the clamping mechanism comprises a clamping motor fixedly connected with the fixed base, the clamping motor is power-connected with a lead screw, the fixed base is fixedly connected with a signal receiver, the fixed base is fixedly connected with a plurality of clamping springs, the clamping springs are fixedly connected with fixed rubber plates, the fixed base is fixedly connected with a plurality of control relays, the fixed rubber plates are fixedly connected with a plurality of one-way springs, and the one-way springs are fixedly connected with one-way plugs.

[0011] Preferably, the fine adjustment mechanism comprises a photosensitive resistor fixedly connected to the adjusting shell, two hollow shafts fixedly connected to the lower end wall of the fine adjustment cavity, adjusting springs fixedly connected to the hollow shafts, adjusting shafts slidingly connected to the hollow shafts, adjusting relays fixedly connected to the adjusting shafts, the adjusting relays being capable of attracting the hollow shafts, a light emitter rotatably connected between the adjusting shafts, two pressure sensors fixedly connected to the light emitter, detection springs fixedly connected to the pressure sensors, a detection ball fixedly connected between the detection springs, a plurality of shockproof springs fixedly connected to the upper end wall of the fine adjustment cavity, the shockproof springs being fixedly connected to the light emitter, and a convex lens fixedly connected to the front end face of the adjusting shell, which can magnify images.

[0012] The projection system with image processing function has the advantages that the fine adjustment mechanism is provided, the light emitter provided in the fine adjustment mechanism can detect different pressures when the light emitter is tilted, and the image processing function is realized.

[0013] The tilt of the light emitter causes the tilt of the detection ball, and the image on the screen is tilted after the tilt of the light emitter, and the image needs to be automatically adjusted at this time.The two pressure sensors detect different pressures, indicating that the light emitter is tilted to one side at this time, and the position of the pressure sensor with larger pressure is low, so that the starting of the adjusting relay is controlled, the starting of the adjusting relay can adjust the angle of the light emitter, and the leveling of the image is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a three-dimensional schematic view of the projection system with image processing function of the present application;

[0015] Figure 2 is a schematic view of the internal structure of the projection system with image processing function of the present application;

[0016] Figure 3 is a schematic view of the structure at A-A in the present application; Figure 2

[0017] Figure 4 is a schematic view of the structure at B-B in the present application; Figure 2

[0018] Figure 5 Figure 3

[0019] ​​​In the figure: 10, adjustment shell; 11, slide rail; 12, clamping spring; 13, control relay; 14, one-way spring; 15, one-way plug; 16, fixed rubber plate; 17, photosensitive resistance; 18, light emitter; 19, detection ball; 20, adjustment spring; 21, adjustment relay; 22, adjustment shaft; 23, detection spring; 24, pressure sensor; 25, shockproof spring; 26, stabilizing motor; 27, threaded sleeve shaft; 28, threaded shaft; 29, protective rubber; 30, sliding rod; 31, ball joint; 32, sliding shaft; 33, sleeve rod; 34, signal receiver; 35, clamping motor; 36, first fixed block; 37, screw rod; 38, gear; 39, gear shaft; 40, moving shell; 41, moving relay; 42, moving block; 43, scanner; 44, second fixed block; 45, connecting spring; 46, fixed rod; 47, fixing mechanism; 48, fine adjustment cavity; 49, adjustment mechanism; 50, fine adjustment mechanism; 51, clamping mechanism; 52, fixed base. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0021] Reference Figures 1-5 The present application provides a technical solution: a projection system with image processing function, comprising an adjustment shell 10, the adjustment shell 10 is provided with a fine adjustment cavity 48, the right end of the adjustment shell 10 is in contact with a fixed base 52, and the upper end surface of the adjustment shell 10 is in contact with a first fixed block 36.

[0022] The first fixed block 36 is provided with a fixing mechanism 47, the fixed base 52 is provided with a clamping mechanism 51, the adjustment shell 10 is provided with a fine adjustment mechanism 50, the fine adjustment mechanism 50 can adjust and stabilize the projection light and correct the balance of the light left and right, and the fixed base 52 can fix the adjustment shell 10.

[0023] The fixing mechanism 47 comprises an adjustment mechanism 49 capable of adjusting the front and rear angles of the whole left and right, the first fixed block 36 is rotatably connected with a ball joint 31, the ball joint 31 is fixedly connected with a sleeve rod 33, the sleeve rod 33 is slidably connected with a sliding shaft 32, and the sliding shaft 32 is slidably connected with a slide rail 11.

[0024] The sleeve rod 33 is fixedly connected with a second fixed block 44, the second fixed block 44 is rotationally connected with a gear shaft 39, the fixed block 44 is fixedly connected with a connecting spring 45, the connecting spring 45 is fixedly connected with a moving shell 40, the moving shell 40 slides on the sleeve rod 33, the sleeve rod 33 is fixedly connected with a fixed rod 46, the fixed rod 46 is fixedly connected with a moving block 42, the moving block 42 is slidingly connected with the moving shell 40, the moving shell 40 is fixedly connected with a moving relay 41, the moving shell 40 is slidingly connected with the gear shaft 39, the moving shell 40 is provided with a section of rough texture capable of clamping the gear shaft 39 in the range that the gear shaft 39 can slide, the gear shaft 39 is fixedly connected with a gear 38, the gear 38 is engaged with the sliding shaft 32;

[0025] When the sliding rail 11 is fixed on the ceiling by the expansion screw and is subjected to the action of gravity, the sleeve rod 33 slides downward to a certain distance, the moving relay 41 is started, thereby driving the moving shell 40 to move forward, thereby driving the moving shell 40 to clamp the gear shaft 39 with the section of texture, thereby making the gear 38 stop rotating on the sliding shaft 32, so that the position of the sleeve rod 33 is fixed.

[0026] The adjusting mechanism 49 includes four stabilizing motors 26 fixedly connected with the first fixed block 36, the fixed block 36 is slidingly connected with four sliding rods 30, the stabilizing motors 26 are power-connected with threaded sleeve shafts 27, the threaded sleeve shafts 27 are threadedly connected with threaded shafts 28, the threaded shafts 28 are fixedly connected with protective rubbers 29, the protective rubbers 29 can prevent the ceiling from being scratched, the protective rubbers 29 are fixedly connected with the sliding rods 30, the first fixed block 36 is fixedly connected with a scanner 43, the scanner 43 can scan the size of the projection screen.

[0027] The clamping mechanism 51 includes a clamping motor 35 fixedly connected with the fixed base 52, the clamping motor 35 is power-connected with a lead screw 37, the lead screw 37 is threadedly connected with the first fixed block 36, the fixed base 52 is fixedly connected with a signal receiver 34, the signal receiver 34 can receive the signal of the remote controller, the fixed base 52 is fixedly connected with a plurality of clamping springs 12, the clamping springs 12 are fixedly connected with fixed rubber plates 16.

[0028] The fixed base 52 is fixedly connected with a plurality of control relays 13, the fixed rubber plates 16 are fixedly connected with a plurality of one-way springs 14, the one-way springs 14 are fixedly connected with one-way plugs 15, the one-way plugs 15 can block the holes of the fixed rubber plates 16.

[0029] The fine adjustment mechanism 50 comprises a photosensitive resistor 17 fixedly connected to the adjusting shell 10, the photosensitive resistor 17 can adjust the resistance of the photosensitive resistor 17 according to the ambient light, thereby adjusting the brightness of the picture when projecting, the lower end wall of the fine adjustment cavity 48 is fixedly connected with two hollow shafts, the hollow shafts are fixedly connected with adjusting springs 20, the hollow shafts are slidingly connected with adjusting shafts 22, the adjusting shafts 22 are fixedly connected with adjusting relays 21, the adjusting relays 21 can attract the hollow shafts;

[0030] The adjusting shafts 22 are rotatably connected with a light emitter 18, the light emitter 18 is fixedly connected with two pressure sensors 24, the pressure sensors 24 are fixedly connected with detection springs 23, the detection springs 23 are fixedly connected with a detection ball 19, the upper end wall of the fine adjustment cavity 48 is fixedly connected with a plurality of shockproof springs 25, the shockproof springs 25 are fixedly connected with the light emitter 18, the front end face of the adjusting shell 10 is fixedly connected with a convex lens, which can magnify the image.

[0031] The working process of the projection system with the image processing function is as follows:

[0032] In the initial state, the sliding rod 30 and the threaded shaft 28 are in the lowest position, the sliding shaft 32 and the sleeve rod 33 are in the closest position, the moving shell 40 is at the last end, and the connecting spring 45, the detection spring 23, the shockproof spring 25, the one-way spring 14, the clamping spring 12 and the adjusting spring 20 are in a relaxed state.

[0033] In the first step, when the slide rail 11 is fixed to the ceiling through the expansion screw, the moving relay 41 is started, thereby driving the moving shell 40 to move forward, thereby fixing the gear shaft 39 of the moving shell 40, so that the slide rail 11 is fixed to the top, then the signal receiver 34 is opened through the remote controller, thereby making the scanner 43 start scanning the position of the projection, then the height of the light emitter 18 needs to be roughly adjusted first, so that the moving relay 41 stops the friction between the gear shaft 39 and the moving shell 40, under the action of gravity, the sleeve rod 33 moves downward, thereby driving the second fixed block 44 to move downward, thereby driving the gear shaft 39 to move downward, thereby driving the gear 38 to move downward, thereby driving the first fixed block 36 to move downward to the appropriate position, then the moving relay 41 is started, thereby fixing the position of the sleeve rod 33, then the four stabilizing motors 26 are started, thereby driving the threaded sleeve shaft 27 to rotate, thereby driving the threaded shaft 28 to move upward, thereby driving the protective rubber 29 to move upward, then driving the sliding rod 30 to move upward, so that the four protective rubbers 29 all contact the ceiling, and the first fixed block 36 and the ceiling are horizontal;

[0034] Second step, when the first fixed block 36 is horizontal, then the adjusting shell 10 is placed on the fixed rubber plate 16, then the clamping motor 35 is started, so that the lead screw 37 rotates, so that the first fixed block 36 moves downward, so that the first fixed block 36 and the fixed base 52 are close to each other, the clamping adjusting shell 10, then the clamping spring 12 is compressed, then the fixed rubber plate 16 continues to be compressed, the space formed by the fixed rubber plate 16 and the adjusting shell 10 is squeezed, air is discharged by pushing away the one-way plug 15, so that the fixed rubber plate 16 and the adjusting shell 10 are more closely attached;

[0035] Third step, when the adjusting shell 10 is fixed, the light emitter 18 is turned on, the light of the light emitter 18 is projected through the magnifying of the adjusting shell 10 to the large screen, then the brightness of the light emitter 18 is adjusted through the light-sensitive resistor 17, then according to the installation of the light emitter 18 is stationary, the pressure of the detection ball 19 on the two pressure sensors 24 is detected to determine whether the light emitter 18 is horizontal at this time, if the pressure of the two pressure sensors 24 is the same, it means horizontal, if the pressure of one end of the pressure sensor 24 is greater, the data of the small end is adjusted, the relay 21 is started, so that the adjusting shaft 22 slides on the adjusting relay 21 to contract so that the data of the pressure sensor 24 is equal, when the adjusting shell 10 is replaced, the control relay 13 is started, the one-way plug 15 is attracted to move downward, then the space of the fixed rubber plate 16 is filled with air, then the clamping motor 35 is reversed to start, so that the fixed base 52 moves downward, so that the adjusting shell 10 is loosened.

[0036] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying that these entities or actions are in any way mutually exclusive or directional.

[0037] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the changes, modifications, equivalents, substitutions and variations of the embodiments can be understood by those skilled in the art without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A projection system with image processing function, comprising an adjustment housing (10), characterized in that: The adjusting shell (10) is provided with a fine-tuning cavity (48), the right end of the adjusting shell (10) is in contact with a fixed base (52), and the upper end surface of the adjusting shell (10) is in contact with a first fixed block (36). The first fixing block (36) is provided with a fixing mechanism (47), the fixing base (52) is provided with a clamping mechanism (51), the adjusting shell (10) is provided with a fine-tuning mechanism (50), the fine-tuning mechanism (50) can adjust and stabilize the projection light and correct the left and right balance of the light, and the fixing base (52) can fix the adjusting shell (10). The fixing mechanism (47) includes an adjusting mechanism (49) that can adjust the front-back and left-right angles of the whole. The first fixing block (36) is rotatably connected to a ball joint (31). The ball joint (31) is fixedly connected to a sleeve rod (33). The sleeve rod (33) is slidably connected to a sliding shaft (32). The sliding shaft (32) is slidably connected to a slide rail (11). The sleeve rod (33) is fixedly connected to a second fixing block (44). The second fixing block (44) is rotatably connected to a gear shaft (39). The second fixing block (44) is fixedly connected to a connecting spring (45). The connecting spring (45) is fixedly connected to a movable shell (40). The movable shell (40) slides on the sleeve rod (33). The sleeve rod (33) is fixedly connected to a fixing rod (46). The fixing rod (46) is fixedly connected to a movable block (42).

2. The projection system with image processing function according to claim 1, characterized in that: The movable block (42) is slidably connected to the movable housing (40), the movable housing (40) is fixedly connected to the movable relay (41), the movable housing (40) is slidably connected to the gear shaft (39), the movable housing (40) has a rough texture within the sliding range of the gear shaft (39) that can hold the gear shaft (39) stationary, the gear shaft (39) is fixedly connected to the gear (38), and the gear (38) meshes with the sliding shaft (32).

3. A projection system with image processing function according to claim 1, characterized in that: The adjustment mechanism (49) includes four stabilizing motors (26) fixedly connected to the first fixing block (36), four sliding rods (30) slidably connected to the first fixing block (36), and threaded sleeve shafts (27) powered by the stabilizing motors (26).

4. A projection system with image processing function according to claim 3, characterized in that: The threaded sleeve shaft (27) is threadedly connected to a threaded shaft (28), and a protective rubber (29) is fixedly connected to the upper end of the threaded shaft (28). The first fixing block (36) is fixedly connected to a scanner (43).

5. A projection system with image processing function according to claim 1, characterized in that: The clamping mechanism (51) includes a clamping motor (35) fixedly connected to the fixed base (52), the clamping motor (35) being powered by a lead screw (37), and a signal receiver (34) fixedly connected to the fixed base (52).

6. A projection system with image processing function according to claim 1, characterized in that: The fixed base (52) is fixedly connected to a plurality of clamping springs (12), the clamping springs (12) are fixedly connected to a fixed rubber plate (16), the fixed base (52) is fixedly connected to a plurality of control relays (13), the fixed rubber plate (16) is fixedly connected to a plurality of one-way springs (14), and the one-way springs (14) are fixedly connected to one-way plugs (15).

7. A projection system with image processing function according to claim 4, characterized in that: The fine-tuning mechanism (50) includes a photoresistor (17) fixedly connected to the adjustment shell (10), two hollow shafts fixedly connected to the lower end wall of the fine-tuning cavity (48), an adjustment spring (20) fixedly connected to the hollow shaft, an adjustment shaft (22) slidably connected to the hollow shaft, an adjustment relay (21) fixedly connected to the adjustment shaft (22), the adjustment relay (21) being able to attract the hollow shaft, and a light emitter (18) rotatably connected between the adjustment shafts (22).

8. A projection system with image processing function according to claim 7, characterized in that: The light emitter (18) is fixedly connected to two pressure sensors (24) on the left and right sides. The pressure sensors (24) are fixedly connected to a detection spring (23). A detection ball (19) is fixedly connected between the detection springs (23).

9. A projection system with image processing function according to claim 7, characterized in that: Several anti-vibration springs (25) are fixedly connected to the upper wall of the fine-tuning cavity (48), and the light emitter (18) is fixedly connected to the anti-vibration springs (25). A convex lens is fixedly connected to the front end face of the adjustment shell (10).

Citation Information

Patent Citations

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