CN111258169A - Light painting photography aids - Google Patents

Abstract

The invention discloses optical painting and shooting auxiliary equipment which comprises a vertically arranged square main support, wherein a pair of vertical sliding mechanisms are symmetrically arranged on two vertical sides of the main support, a horizontal transverse sliding mechanism is also arranged between the pair of vertical sliding mechanisms and can slide up and down along the vertical sliding mechanisms, a fixing piece is arranged on the horizontal transverse sliding mechanism and can horizontally and transversely slide along the horizontal transverse sliding mechanism, a full-color LED light source is arranged on the fixing piece and is connected with a computer, a horizontal telescopic mechanism is also vertically arranged on the transverse side of the bottom of the main support, a vertical telescopic mechanism is vertically arranged on the horizontal telescopic mechanism, a camera base is arranged at the top of the vertical telescopic mechanism, and a camera is placed on the camera base. The invention solves the problem that the switch, the path and the color change of a light source in the optical drawing and shooting method in the prior art are difficult to accurately control.

Description

Light painting photography aids

technical field

The invention belongs to the technical field of photographic auxiliary equipment, and in particular relates to light-painting photographic auxiliary equipment.

Background technique

Light painting photography, also known as light painting, is a photographic art method that records the dynamic movement of the light source over a period of time as the subject, or uses the movement of the light source to contrast the environment/subject. It is a photography method that creates special image effects. The light source moves over a period of time. The light-sensitive element of the camera evenly records the light at each unit time, and the long exposure mode of the camera is used to capture the movement trajectory of the light source. The final image is the resulting light painting photography work. At present, the commonly used light painting photography method is that the photographer moves the light source and fixes the camera to shoot. The disadvantage of this method is that the switch, path and color change of the light source are difficult to precisely control, and the work efficiency is low. The obtained light painting images are often different from their own. The expected difference is large.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide an auxiliary device for light-painting photography, which solves the problem that the switch, path and color change of the light source in the light-painting photography method in the prior art are difficult to precisely control.

The technical solution adopted in the present invention is that the light painting photography auxiliary equipment includes a vertically arranged square main bracket, a pair of vertical sliding mechanisms are symmetrically arranged on two vertical sides of the main bracket, and a pair of vertical sliding mechanisms is also arranged between the pair of vertical sliding mechanisms. A horizontal lateral sliding mechanism is provided, the horizontal lateral sliding mechanism can slide up and down along the vertical sliding mechanism, a fixing piece is arranged on the horizontal lateral sliding mechanism, the fixing piece can slide horizontally along the horizontal lateral sliding mechanism, and a full-color LED is arranged on the fixing piece The light source, the full-color LED light source is connected to the computer. The horizontal side of the main bracket is located at the bottom, and a horizontal telescopic mechanism is also vertically arranged. The horizontal telescopic mechanism is vertically arranged with a vertical telescopic mechanism. A camera is placed on the base.

The present invention is also characterized in that,

The specific structure of the vertical sliding mechanism is as follows: including a vertically arranged lead screw, the bottom of the lead screw is connected with the stepper motor B through the coupling, the stepper motor B is also connected with the computer, and the stepper motor B is installed on the motor base B, The motor base B is arranged at the bottom of the vertical side of the main support, the top of the lead screw is connected with the connecting piece through a bearing, the connecting piece is fixed on the top of the main support by bolts, and a lead screw nut is also sleeved on the lead screw, and the lead screw nut passes through The bolt is connected with the positioning sleeve, the screw nut and the positioning sleeve can move up and down along the screw together, the positioning sleeve is also fixed with the guide sleeve, the guide sleeve is provided with a vertical smooth rod, and the upper end of the vertical smooth rod is fixed with the connecting piece , the lower end of the vertical light bar is installed on the motor base B.

The specific structure of the horizontal lateral sliding mechanism is: including a pair of horizontal smooth bars arranged horizontally and horizontally, one end of the horizontal smooth bars is installed on the motor base A, the motor base A is fixedly connected with the positioning sleeve and the guide sleeve, and the motor base A is provided with a step Into the motor A, the stepper motor A is also connected to the computer, the output shaft of the stepper motor A is provided with a driving wheel, the driving wheel forms a conveyor belt structure through the synchronous belt and the driven wheel, and the other end of the driven wheel and the horizontal light bar are installed in the stepper. On the vertical side of the main bracket opposite to the side where the motor A is located, the synchronous belt is located between a pair of horizontal smooth bars, and the fixing piece slides through the synchronous belt and the pair of horizontal smooth bars at the same time.

The specific structure of the horizontal telescopic mechanism is as follows: it includes a horizontal bracket A arranged horizontally on the horizontal side of the bottom of the main bracket, a horizontal bracket B is sleeved on the horizontal bracket A, and the horizontal bracket B can extend and slide horizontally along the horizontal bracket A. The horizontal bracket B It is locked with the horizontal bracket A by the tightening screw A.

The specific structure of the vertical telescopic mechanism is as follows: it includes a vertical support A, the vertical support A is vertically arranged on the non-connected end of the horizontal support B and the horizontal support A, the vertical support A is sleeved with a vertical support B, and the vertical support B is set vertically. The straight bracket B can extend and slide vertically along the vertical bracket A, and the vertical bracket B and the vertical bracket A are locked by the fastening screw B. camera mount.

A handle is also installed under the camera base, the angle of the camera base can be changed by rotating the handle, and the camera base and the handle are locked by tightening screws C.

The main bracket is composed of a mouth-shaped thin plate.

The beneficial effect of the present invention is that the light-painting photography auxiliary equipment controls the on-off of the full-color LED light source and the color change through the computer, and the stepping motors in the horizontal and vertical directions drive the full-color LED light source to move along the specified track, and then pass the The camera fixed on the camera base connected with the main bracket takes corresponding images to obtain light-painting photography works, which realizes the problem of precise control of light source switch, path and color change, and improves work efficiency and shooting quality.

Description of drawings

1 is a schematic diagram of the overall structure of the light-painting photography auxiliary equipment of the present invention;

2 is a schematic diagram of the connection structure of the stepper motor A of the light-painting photography auxiliary equipment of the present invention;

FIG. 3 is a schematic diagram of the connection structure of the driven wheel of the light-painting photography auxiliary equipment of the present invention.

In the figure, 1. Main bracket, 2. Vertical smooth rod, 3. Lead screw, 4. Stepper motor A, 5. Guide sleeve, 6. Positioning sleeve, 7. Motor base A, 8. Lead screw nut, 9 .Connecting parts, 10. Full-color LED light source, 11. Fixing parts, 12. Timing belt, 13. Horizontal light bar, 14. Driven wheel, 15. Horizontal bracket A, 16. Fastening screw A, 17. Horizontal bracket B , 18. Vertical bracket A, 19. Fastening screw B, 20. Vertical bracket B, 21. Handle, 22. Camera base, 23. Fastening screw C, 24. Stepper motor B, 25. Motor base B , 26. Driving wheel.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

The light-painting photography auxiliary equipment of the present invention, as shown in Figure 1, comprises a vertically arranged square main bracket 1, and a pair of vertical sliding mechanisms are symmetrically arranged on two vertical sides of the main bracket 1, and the pair of vertical sliding mechanisms There is also a horizontal lateral sliding mechanism, which can slide up and down along the vertical sliding mechanism, and a fixing member 11 is arranged on the horizontal lateral sliding mechanism, and the fixing member 11 can slide horizontally along the horizontal lateral sliding mechanism. A full-color LED light source 10 is provided, the full-color LED light source 10 is connected to a computer, a horizontal telescopic mechanism is also vertically disposed on the horizontal side of the main bracket 1 at the bottom, and a vertical telescopic mechanism is vertically disposed on the horizontal telescopic mechanism. The top of the camera is provided with a camera base 22, and a camera is placed on the camera base 22.

The specific structure of the vertical sliding mechanism is: including a vertically arranged lead screw 3, the bottom of the lead screw 3 is connected with the stepping motor B24 through the coupling, the stepping motor B24 is also connected with the computer, and the stepping motor B24 is installed on the motor base B25 On the top, the motor base B25 is arranged at the bottom of the vertical side of the main support 1, the top of the lead screw 3 is connected with the connecting piece 9 through a bearing, the connecting piece 9 is fixed on the top of the main support 1 by bolts, and the lead screw 3 is also sleeved with The screw nut 8, the screw nut 8 is connected with the positioning sleeve 6 by bolts, the screw nut 8 and the positioning sleeve 6 can move up and down along the screw 3 together, the positioning sleeve 6 is also fixed with the guide sleeve 5, and the guide sleeve 5 A vertical smooth bar 2 is provided, the upper end of the vertical smooth bar 2 is fixedly connected with the connecting piece 9, and the lower end of the vertical smooth bar 2 is installed on the motor base B25.

As shown in Figures 2 and 3, the specific structure of the horizontal lateral sliding mechanism is: including a pair of horizontal smooth bars 13 arranged horizontally, one end of the horizontal smooth bars 13 is mounted on the motor base A7, the motor base A7 and the positioning sleeves 6, The guide sleeve 5 is fixedly connected, the motor base A7 is provided with a stepper motor A4, the stepper motor A4 is also connected to the computer, and the output shaft of the stepper motor A4 is provided with a driving wheel 26, and the driving wheel 26 is connected to the driven wheel through the synchronous belt 12. 14 constitutes a conveyor belt structure, the other end of the driven wheel 14 and the horizontal light bar 13 are installed on the vertical side of the main bracket 1 opposite to the side where the stepper motor A4 is located, and the synchronous belt 12 is located between a pair of horizontal light bars 13. 11 slides through the timing belt 12 and a pair of horizontal smooth bars 13 at the same time.

The specific structure of the horizontal telescopic mechanism is as follows: it includes a horizontal bracket A15 arranged horizontally on the horizontal side of the bottom of the main bracket 1, a horizontal bracket B17 is sleeved on the horizontal bracket A15, and the horizontal bracket B17 can extend and slide horizontally along the horizontal bracket A15, The horizontal bracket B17 and the horizontal bracket A15 are locked by tightening screws A16.

The specific structure of the vertical telescopic mechanism is as follows: including a vertical bracket A18, the vertical bracket A18 is vertically arranged on one end of the horizontal bracket B17 that is not connected to the horizontal bracket A15, the vertical bracket A18 is sleeved with a vertical bracket B20, and the vertical bracket B20 is set vertically. The straight bracket B20 can extend and slide vertically along the vertical bracket A18. The vertical bracket B20 and the vertical bracket A18 are locked by the fastening screws B19. The non-connected end of the vertical bracket B20 and the vertical bracket A18 is provided with a Camera mount 22.

A handle 21 is also installed below the camera base 22 , the angle of the camera base 22 is changed by rotating the handle 21 , and the camera base 22 and the handle 21 are locked by tightening screws C23 .

The main bracket 1 is composed of a mouth-shaped thin plate.

The light painting photography auxiliary equipment of the present invention works as follows:

First, install the camera on the camera base 22. The angle of the camera can be set by rotating the handle 21. It is locked by tightening the screw C23. The height direction is adjusted by stretching the vertical bracket B20. The direction is adjusted by stretching the horizontal bracket B17, and it is locked by tightening the screw 16.

The stepper motor A4 and the two stepper motors B24 are controlled by the computer, wherein the stepper motor A4 drives the driving wheel 26 to rotate, the driving wheel 26 drives the synchronous belt 12 to rotate, and the synchronous belt 12 drives the driven wheel 14 to rotate, which drives the fixed part 11 along the horizontal The direction moves, so that the full-color LED light source 10 on the fixing member 11 moves in the horizontal direction. The two stepping motors B24 drive the lead screws 3 on both sides to rotate through the coupling, and drive the lead screw nut 8 and the positioning sleeve 6 to move up and down, thereby driving the full-color LED light source 10 to move in the vertical direction. The on-off and color changes of the full-color LED light source 10 are controlled by the computer, and the full-color LED light source 10 can move in any specified trajectory in the vertical plane through the combined movement of the horizontal and vertical directions, and can be photographed with the help of a fixed camera. to the desired light painting photography.

The light-painting photography auxiliary device of the present invention drives the full-color LED light source to move along the specified trajectory by controlling the stepper motor in the horizontal and vertical directions, and then shoots the corresponding image through the camera fixed on the camera base connected with the main bracket, to In this way, light-painting photography works are obtained, which realizes the problem of precise control of the switch, path and color change of the light source, and improves the work efficiency and shooting quality.

Claims (7)

1. Auxiliary equipment for light-painting photography, characterized in that it comprises a vertically arranged square main support (1), and two vertical sides of the main support (1) are symmetrically provided with a pair of vertical sliding mechanisms, a pair of vertical sliding mechanisms A horizontal lateral sliding mechanism is also arranged therebetween, the horizontal lateral sliding mechanism can slide up and down along the vertical sliding mechanism, and a fixing member (11) is provided on the horizontal lateral sliding mechanism, and the fixing member (11) can slide horizontally and laterally along the horizontal lateral sliding mechanism. , a full-color LED light source (10) is arranged on the fixing member (11), the full-color LED light source (10) is connected to the computer, and the horizontal side of the main bracket (1) at the bottom is also vertically provided with a horizontal telescopic mechanism, the horizontal telescopic mechanism A vertical telescopic mechanism is vertically disposed on the top, a camera base (22) is disposed on the top of the vertical telescopic mechanism, and a camera is placed on the camera base (22). 2. The light-painting photography auxiliary device according to claim 1, wherein the specific structure of the vertical sliding mechanism is as follows: comprising a vertically arranged lead screw (3), the bottom of the lead screw (3) passes through a coupling It is connected with the stepping motor B (24), the stepping motor B (24) is also connected with the computer, the stepping motor B (24) is installed on the motor base B (25), and the motor base B (25) is arranged on the main The bottom of the vertical side of the bracket (1), the top of the lead screw (3) is connected with the connecting piece (9) through a bearing, the connecting piece (9) is fixed on the top of the main bracket (1) by bolts, and the lead screw (3) is also sleeved A lead screw nut (8) is provided, the lead screw nut (8) is connected with the positioning sleeve (6) through bolts, and the lead screw nut (8) and the positioning sleeve (6) can move up and down along the lead screw (3) together to locate The sleeve (6) is also fixedly connected with the guide sleeve (5), the guide sleeve (5) is provided with a vertical light bar (2), and the upper end of the vertical light bar (2) is fixedly connected with the connecting piece (9), and the vertical light bar (2) is fixedly connected. The lower end of the bar (2) is mounted on the motor base B (25). 3. The light-painting photography auxiliary device according to claim 2, wherein the specific structure of the horizontal lateral sliding mechanism is as follows: comprising a pair of horizontal light bars (13) arranged horizontally and horizontally, wherein the horizontal light bars (13) include a pair of horizontal light bars (13). One end is installed on the motor seat A(7), the motor seat A(7) is fixedly connected with the positioning sleeve (6) and the guide sleeve (5), and a stepping motor A(4) is arranged on the motor seat A(7), and the stepper motor A(4) is installed on the motor seat A(7). The feeding motor A (4) is also connected with the computer, and the output shaft of the stepping motor A (4) is provided with a driving wheel (26), and the driving wheel (26) forms a conveyor belt structure through the synchronous belt (12) and the driven wheel (14). , the other end of the driven wheel (14) and the horizontal light bar (13) are installed on the vertical side of the main bracket (1) opposite to the side where the stepping motor A (4) is located, and the synchronous belt (12) is located on a pair of horizontal light beams. Between the bars (13), the fixing member (11) slides through the synchronous belt (12) and a pair of horizontal smooth bars (13) at the same time. 4. The light-painting photography auxiliary device according to any one of claims 1 to 3, wherein the specific structure of the horizontal telescopic mechanism is that it comprises a horizontally arranged horizontally arranged on the bottom lateral edge of the main bracket (1). The horizontal bracket A (15) is set on the horizontal bracket A (15), and the horizontal bracket B (17) is sleeved. The horizontal bracket B (17) can extend and slide horizontally along the horizontal bracket A (15). The horizontal brackets A (15) are locked by tightening screws A (16). 5 . The light-painting photography auxiliary device according to claim 4 , wherein the specific structure of the vertical telescopic mechanism is: comprising a vertical bracket A ( 18 ), and the vertical bracket A ( 18 ) is vertically arranged on the On the non-connected end of the horizontal bracket B (17) and the horizontal bracket A (15), the vertical bracket A (18) is sleeved with a vertical bracket B (20), and the vertical bracket B (20) can be along the vertical bracket. A (18) is vertically telescopic and sliding, the vertical bracket B (20) and the vertical bracket A (18) are locked by the fastening screw B (19), the vertical bracket B (20) and the vertical bracket A (18) A camera base (22) is provided on the non-connected end. 6. The light-painting photography auxiliary device according to claim 5, characterized in that a handle (21) is also installed below the camera base (22), and the angle of the camera base (22) is changed by rotating the handle (21), The camera base (22) and the handle (21) are locked by a fastening screw C (23). 7. The light-painting photography auxiliary device according to claim 6, characterized in that, the main support (1) is composed of a mouth-shaped thin plate.

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