CN214840611U - Professional stage lighting automatic focusing system - Google Patents
Professional stage lighting automatic focusing system Download PDFInfo
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- CN214840611U CN214840611U CN202121189468.1U CN202121189468U CN214840611U CN 214840611 U CN214840611 U CN 214840611U CN 202121189468 U CN202121189468 U CN 202121189468U CN 214840611 U CN214840611 U CN 214840611U
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Abstract
The utility model discloses a professional stage light automatic focusing system, which comprises a central processing unit and a light emitting device, wherein the light emitting device comprises a focusing device, a distance measuring device, a pattern disc and a component fixing plate; the focusing device comprises a focusing motor and a focusing lens, the focusing motor is used for driving the focusing lens to linearly move back and forth on the component fixing plate, and the focusing lens is used for adjusting the imaging definition of a pattern to be projected on the stage; the pattern disc is used for placing a pattern to be projected and can move back and forth relative to the focusing lens; the distance measuring device is used for measuring the distance from the stage to the distance measuring device and the distance from the pattern plate to the distance measuring device to generate distance signals, and the distance measuring device sends the distance signals to the central processing unit; the central processing unit is used for receiving a distance signal with a distance measurement result of the distance measuring device and driving the focusing motor to rotate according to the distance signal, so that the focusing motor drives the focusing lens to move to a corresponding position.
Description
Technical Field
The utility model relates to an automatic focusing system technical field specifically is a professional stage lighting automatic focusing system.
Background
At present, general stage lighting automatic focusing systems are all arranged on a pattern disc, patterns needing to be projected are arranged on the pattern disc, but due to the uncertainty of application environment, requirements for stage patterns are diversified, the distance requirements of the pattern disc and a focusing lens are different, the same stage lighting automatic focusing system is required to adapt to the distances of different pattern discs and focusing lenses, multiple layers of pattern discs are generally adopted, the distance between the patterns on each layer of pattern disc is bound to exist, the distance between each pattern and the focusing lens is different, the requirement of image definition of the patterns on a stage can be met only by means of refocusing after the patterns are switched, and therefore focusing can be conducted after the patterns are switched every time, and huge workload can be generated.
Disclosure of Invention
The utility model provides a not enough to prior art, the utility model provides a professional stage lighting auto focus system, it can solve the distance requirement that adopts single portable pattern dish adaptation pattern dish and focusing lens, focuses according to the distance of pattern dish and focusing lens.
The technical scheme of the utility model is that: a professional stage light automatic focusing system comprises a central processing unit and a light emitting device, wherein the light emitting device comprises a focusing device, a distance measuring device, a pattern disc and a component fixing plate;
the focusing device comprises a focusing motor and a focusing lens, the focusing motor and the focusing lens are both connected with the component fixing plate, the central processor is electrically connected with the focusing motor, the focusing motor is used for driving the focusing lens to linearly move back and forth on the component fixing plate, and the focusing lens is used for adjusting the imaging definition of a pattern to be projected on the stage;
the pattern disc is used for placing patterns to be projected, connected with the part fixing plate and arranged behind the focusing lens, and moves back and forth relative to the focusing lens;
the distance measuring device is used for measuring the distance from the stage to the distance measuring device and the distance from the pattern plate to the distance measuring device, the central processing unit is electrically connected with the distance measuring device, and the distance measuring device sends a distance signal to the central processing unit;
the central processing unit is used for receiving a distance signal with a distance measurement result of the distance measuring device and driving the focusing motor to rotate according to the distance signal, so that the focusing motor drives the focusing lens to move to a corresponding position.
Further, the distance measuring device is an optical signal distance measuring device.
Further, the distance measuring device is an electric signal distance measuring device.
Further, the distance measuring device is a distance measuring device with a two-way distance measuring function, and the two-way distance measuring device is used for measuring the distance between the distance measuring device and the pattern disc and the distance between the distance measuring device and the front stage.
Furthermore, the lamplight emitting device further comprises a zooming device, the zooming device is electrically connected with the central processing unit, and the zooming device is used for adjusting the size of the image of the pattern to be projected on the stage.
Furthermore, the zooming device comprises a zooming motor and a zooming lens, the zooming motor is electrically connected with the central processor, the zooming lens is installed in front of the focusing lens, the center of the zooming lens and the center of the focusing lens are on the same virtual straight line, the zooming lens and the focusing lens are perpendicular to the virtual straight line passing through the centers of the two lenses, the central processor is used for controlling the zooming motor to operate, and the zooming motor is used for driving the zooming lens to move back and forth so as to adjust the size of the pattern to be projected on the stage.
Furthermore, a lens is fixedly arranged at the front end of the component fixing plate, lenses are fixedly arranged in the lens, the zoom lens, the focusing lens and the pattern disc are sequentially arranged from front to back, the centers of the lenses, the zoom lens, the focusing lens and the pattern disc are on the same virtual straight line, and the lenses, the zoom lens, the focusing lens and the pattern disc are all perpendicular to the virtual straight line.
Further, the focusing device is fixedly arranged at the edge of the lens.
Furthermore, the central processing unit is fixedly arranged in the base box, the upper end of the base box is fixedly connected with the lower end of the lamp holder, and the upper end of the lamp holder is connected with the light emitting device.
Furthermore, the lamp holder is a rotatable lamp holder, and the rotatable lamp holder is used for adjusting the light emission direction of the light emission device.
The utility model has the advantages that: the utility model discloses a portable moving's pattern dish, the line change that is of distance between pattern dish and the focusing lens, the point change that compares in multilayer pattern dish is used under the different situation has adaptability more, and uses central processing unit focusing more convenient, uses manpower sparingly resource.
Drawings
Fig. 1 is a schematic perspective view of a professional stage lighting auto-focusing system.
Fig. 2 is a schematic three-dimensional structure diagram of a zooming device and a focusing device of a professional stage lighting automatic focusing system.
Fig. 3 is a schematic diagram of a professional stage lighting auto-focusing system combined with the optical imaging principle of a convex lens.
In the figure, 1, a central processing unit; 2. a distance measuring device; 21. a transmitting device; 22. a receiving module; 23. a calculation module; 3. a focusing device; 31. a focus motor; 32. a focusing lens; 33. a first gear; 34. a second gear; 4. a zooming device; 41. a zoom motor; 42 scaling the lens; 5. a lens; 6. a lamp holder; 7. a pattern disk; 8. and a component fixing plate.
Detailed Description
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1, it is a three-dimensional structure diagram of a professional stage lighting auto-focusing system. A professional stage lighting automatic focusing system comprises a central processing unit 1 and a lighting emitting device, wherein the central processing unit 1 is fixedly arranged in a base box of the professional stage lighting automatic focusing system; the light emitting device comprises a distance measuring device 2, a focusing device 3, a zooming device 4, a pattern disc 7 and a component fixing plate 8; the base box where the central processing unit 1 is located is connected with the light emitting device through a lamp bracket 6, and the light emitting direction of the light emitting device can be emitted to all directions through the movable structure of the lamp bracket 6.
The component fixing plate 8 is used for fixing the distance measuring device 2, the focusing device 3 and the zooming device 4.
The focusing device 3 comprises a focusing motor 31 and a focusing lens 32, wherein the focusing motor 31 is used for driving the focusing lens 32 to move back and forth; the focusing motor 31 is electrically connected with the central processing unit 1, and the central processing unit 1 is used for controlling the operation of the focusing motor 31; the focus motor 31 drives the focus lens 32 to move linearly back and forth, and adjusts the imaging definition of the pattern to be projected on the stage.
The zoom device 4 includes a zoom motor 41 and a zoom lens 42; the zooming motor 41 is electrically connected with the central processing unit 1, and the central processing unit 1 is used for controlling the zooming motor 41 to run; the zoom motor 41 is used to drive the zoom lens 42 to move linearly back and forth, and performs a zoom function to adjust the size of the pattern to be projected when the pattern is actually projected on the stage.
The pattern disk 7 is arranged behind the focusing lens, the pattern disk 7 can move back and forth according to the actual situation, and the pattern to be projected is arranged on the pattern disk 7.
The distance measuring device 2 is used for measuring the distance from the pattern disc 7 to the distance measuring device 2 and the distance from the stage to the distance measuring device 2, and sending distance signals to the central processor 1.
The central processing unit 1 functions as: according to the distance signal measured by the distance measuring device 2, the position to which the focusing lens 32 in the focusing device 3 needs to be moved to make the image on the stage clear is judged, the central processing unit 1 controls the focusing motor 31 in the focusing device 3 to operate, the focusing motor 31 drives the focusing lens 32 to move linearly back and forth, and the focusing lens 32 is moved to the position to which the focusing lens 32 needs to be moved.
As shown in FIG. 2, the configuration of the focusing means 3 and the zooming means 4 will be further explained.
Focusing motor 31 of focusing device 3 is fixed on part fixed plate 8, and the fixed track that is provided with (the track is not shown in fig. 2) on the part fixed plate 8, has the tooth piece on the track, does not mark track and tooth piece in the picture, and the tooth piece can be for the track linear motion around, and focusing lens 32 is fixed on the tooth piece, and consequently focusing lens 32 can be on the track linear motion, specifically is: the motor shaft of the focusing motor 31 is provided with a first gear 33, the first gear 33 is in transmission connection with a second gear 34 on the component fixing plate 8, and the second gear 34 is in meshing connection with the toothed plate, so that the focusing motor 31 is operated to drive the focusing lens 32 to move back and forth to perform a focusing function.
The zoom motor 41 and the zoom lens 42 of the zoom device 4 are mounted in the same manner as the focus motor 31 and the focus lens described above, and will not be repeated here. The connection mode between the motor and the lens can also adopt other mechanical mechanisms besides a gear and transmission structure, and the mechanical structure can realize the effect of driving the lens to linearly move back and forth by the motor.
The combination mode of the lens in the specific light emitting device requires that:
taking the stage direction as the front end, fixedly arranging the lens 5 at the front end of the component fixing plate 8, arranging the lens of the lens 5 as a plane mirror, arranging the zoom lens 42 of the zoom device 4 behind the lens of the lens 5, arranging the focusing lens 32 of the focusing device 3 behind the zoom lens 42, arranging the centers of the three lenses of the lens 5, the zoom lens 42 and the focusing lens 32 on the same virtual straight line, and arranging the planes of the three lenses to be vertical to the virtual straight line passing through the centers of the three lenses;
the pattern disk 7 is arranged behind the focusing lens 32, the pattern disk 7 can move back and forth relative to the focusing lens 32, and the pattern to be projected is arranged on the pattern disk 7.
The distance measuring device 2 can be a distance measuring device 2 with a two-way distance measuring function, and the distance between the distance measuring device 2 and the stage and the distance between the distance measuring device 2 and the pattern to be projected can be measured at one time; the distance measuring device 2 can also be provided with a common distance measuring device 2 with a one-way distance measuring function, the distance measuring device 2 can respectively measure the distance between the distance measuring device 2 and the stage and the distance between the distance measuring device 2 and the projection project, the distance signal project.
The distance measuring device 2 may be an optical signal distance measuring device that measures distance based on transmitted and received optical signals. The distance measuring device 2 may also be an electrical signal distance measuring device that measures distance based on transmitted and received electrical signals.
As shown in fig. 3, the working principle of the professional stage lighting automatic focusing system is as follows:
according to the actual situation, a professional stage lighting automatic focusing system is placed, the pattern disc 7 is moved back and forth, and the pattern disc 7 is moved to any self-defined proper position.
The measuring device 2 is used for measuring the distance between the measuring device 2 and the front stage (the front stage, i.e. the image in fig. 3) and the distance between the measuring device 2 and the pattern disc 7 (the pattern disc 7, i.e. the object in fig. 3), and the measuring device 2 generates a distance signal to be sent to the central controller 1.
The central processing unit 1 controls the working state of the focusing device 3 according to the distance signal, specifically: the central processing unit 1 judges the position of the focusing lens 32 which enables imaging on the stage to be clear according to the distance signal and the optical imaging principle of the convex lens, the central processing unit controls the operation of the focusing motor 31, and the focusing motor 31 drives the focusing lens to move linearly to the position to complete focusing.
According to the actual size of the pattern required to be formed on the stage, the central processing unit 1 controls the working state of the zooming device 4, which specifically comprises the following steps: the central processing unit 1 controls the zoom motor 41 to operate, and the focus motor 31 drives the focus lens to move linearly to perform the zoom function.
Various other changes and modifications may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such changes and modifications should fall within the scope of the present invention.
Claims (10)
1. A professional stage light automatic focusing system is characterized by comprising a central processing unit and a light emitting device, wherein the light emitting device comprises a focusing device, a distance measuring device, a pattern disc and a component fixing plate;
the focusing device comprises a focusing motor and a focusing lens, the focusing motor and the focusing lens are both connected with the component fixing plate, the central processor is electrically connected with the focusing motor, the focusing motor is used for driving the focusing lens to linearly move back and forth on the component fixing plate, and the focusing lens is used for adjusting the imaging definition of a pattern to be projected on the stage;
the pattern disc is used for placing patterns to be projected, connected with the part fixing plate and arranged behind the focusing lens, and moves back and forth relative to the focusing lens;
the distance measuring device is used for measuring the distance from the stage to the distance measuring device and the distance from the pattern plate to the distance measuring device, the central processing unit is electrically connected with the distance measuring device, and the distance measuring device sends a distance signal to the central processing unit;
the central processing unit is used for receiving a distance signal with a distance measurement result of the distance measuring device and driving the focusing motor to rotate according to the distance signal, so that the focusing motor drives the focusing lens to move to a corresponding position.
2. The professional stage lighting auto-focusing system of claim 1, wherein: the distance measuring device is an optical signal distance measuring device.
3. The professional stage lighting auto-focusing system of claim 2, wherein: the distance measuring device is an electric signal distance measuring device.
4. The professional stage lighting auto-focusing system of claim 1, wherein: the distance measuring device is a distance measuring device with a two-way distance measuring function, and the two-way distance measuring device is used for measuring the distance between the distance measuring device and the pattern disc and the distance between the distance measuring device and the front stage.
5. The professional stage lighting auto-focusing system of claim 1, wherein: the lamplight emitting device further comprises a zooming device, the zooming device is electrically connected with the central processing unit, and the zooming device is used for adjusting the size of the image of the pattern to be projected on the stage.
6. The professional stage lighting auto-focusing system of claim 5, wherein: the zooming device comprises a zooming motor and a zooming lens, the zooming motor is electrically connected with the central processor, the zooming lens is installed in front of the focusing lens, the center of the zooming lens and the center of the focusing lens are on the same virtual straight line, the zooming lens and the focusing lens are perpendicular to the virtual straight line passing through the centers of the two lenses, the central processor is used for controlling the operation of the zooming motor, and the zooming motor is used for driving the zooming lens to move back and forth so as to adjust the size of the pattern to be projected on the stage.
7. A professional stage lighting automatic focusing system as recited in claim 6, wherein a lens is fixedly arranged at the front end of the component fixing plate, a lens is fixedly arranged in the lens, the zoom lens, the focusing lens and the pattern disk are sequentially arranged from front to back, the centers of the lens, the zoom lens, the focusing lens and the pattern disk are on the same virtual straight line, and the lens, the zoom lens, the focusing lens and the pattern disk are all perpendicular to the virtual straight line.
8. The professional stage lighting automatic focusing system as claimed in claim 7, wherein the focusing device is fixedly arranged at the edge of the lens.
9. The professional stage lighting automatic focusing system as claimed in claim 1, wherein the central processing unit is fixedly arranged in the base box, the upper end of the base box is fixedly connected with the lower end of the lamp holder, and the upper end of the lamp holder is connected with the lighting emitting device.
10. The automatic focusing system for professional stage lighting according to claim 9, wherein the lamp holder is a rotatable lamp holder for adjusting the lighting emitting direction of the lighting emitting device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2021205546224 | 2021-03-17 | ||
| CN202120554622 | 2021-03-17 |
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| CN214840611U true CN214840611U (en) | 2021-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121189468.1U Active CN214840611U (en) | 2021-03-17 | 2021-05-28 | Professional stage lighting automatic focusing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114895518A (en) * | 2022-05-05 | 2022-08-12 | 广州市升和电子有限公司 | Picture clearness automatic adjusting method for pattern lamp |
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2021
- 2021-05-28 CN CN202121189468.1U patent/CN214840611U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114895518A (en) * | 2022-05-05 | 2022-08-12 | 广州市升和电子有限公司 | Picture clearness automatic adjusting method for pattern lamp |
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