CN113819447B - High-precision scanning resetting method of stage head shaking lamp - Google Patents
High-precision scanning resetting method of stage head shaking lamp Download PDFInfo
- Publication number
- CN113819447B CN113819447B CN202110910077.2A CN202110910077A CN113819447B CN 113819447 B CN113819447 B CN 113819447B CN 202110910077 A CN202110910077 A CN 202110910077A CN 113819447 B CN113819447 B CN 113819447B
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- lamp body
- amplifying
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- focusing
- sensor
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- 238000000034 method Methods 0.000 title claims abstract description 22
- 238000001514 detection method Methods 0.000 claims abstract description 34
- 230000001419 dependent effect Effects 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/15—Adjustable mountings specially adapted for power operation, e.g. by remote control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V19/00—Fastening of light sources or lamp holders
- F21V19/02—Fastening of light sources or lamp holders with provision for adjustment, e.g. for focusing
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V21/00—Supporting, suspending, or attaching arrangements for lighting devices; Hand grips
- F21V21/14—Adjustable mountings
- F21V21/30—Pivoted housings or frames
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
- F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
- F21W2131/40—Lighting for industrial, commercial, recreational or military use
- F21W2131/406—Lighting for industrial, commercial, recreational or military use for theatres, stages or film studios
Abstract
The invention discloses a high-precision scanning resetting method of a stage head shaking lamp, which comprises a lamp body, a driving part, a focusing part and an amplifying part, wherein a mounting bracket is arranged above the lamp body; according to the invention, the detection magnet is arranged on the driven wheel, and the positioning magnetic sensor for detecting the position of the detection magnet is arranged above the driven wheel, so that the positioning of the swinging lamp is realized, the lamp body is rotated to the zero position when reset each time by the method, the scanning positioning precision of the computer swinging lamp is effectively improved, the positioning consistency among lamps is improved, and the stage lighting effect is ensured.
Description
Technical Field
The invention relates to the field of computer head shaking lamps, in particular to a high-precision scanning resetting method of a stage head shaking lamp.
Background
The computer head-shaking lamp is a large type of lamp type which is indispensable in stage lighting, and the movement of the computer head-shaking lamp consists of horizontal rotation movement of an X axis and vertical movement of a Y axis. The existing computer head shaking lamp is realized through an encoder and magnetic-sensing positioning when an XY axis is reset to find an origin, but in the process of finding a magnetic-sensing edge, the XY axis can generate stress change when a mechanical part moves, so that unpredictable deviation occurs when the magnetic-sensing signal edge is detected, and the larger the stress change is, the larger the deviation is, so that the larger the positioning deviation is.
Disclosure of Invention
The invention aims to provide a high-precision scanning resetting method of a stage tilting lamp, which aims to solve one or more technical problems in the background art.
To achieve the purpose, the invention adopts the following technical scheme:
the high-precision scanning resetting method of the stage shaking head lamp comprises a lamp body, a driving part, a focusing part and an amplifying part, wherein a mounting bracket is arranged above the lamp body, the focusing part and the amplifying part are arranged on the mounting bracket in a vertical sliding mode, the driving part comprises a stepping motor, a driving wheel, a driven wheel and a belt, a rotating shaft of the stepping motor is connected with the driving wheel, the driving wheel is in transmission connection with the driven wheel through the belt, the lamp body is arranged on the driven wheel, a positioning magnetosensitive sensor is arranged above the driven wheel, and a detection magnet is arranged on the driven wheel;
the reset method comprises the following steps:
step A: the driving wheel is driven by the stepping motor, so that the driven wheel in transmission connection with the driving wheel drives the lamp body to rotate to a set mechanical origin;
and (B) step (B): starting the positioning magneto-sensitive sensor and continuously rotating the lamp body, and stopping rotating when the lamp body rotates until the detection magnet reaches the starting end of the detection position of the positioning magneto-sensitive sensor;
step C: resetting the focusing component and the amplifying component in sequence, and executing the step D after the focusing component and the amplifying component are reset;
step D: and the lamp body continuously rotates until the detection magnet reaches the tail end of the detection position of the positioning magneto-dependent sensor, then the lamp body stops rotating by a set angle, and the position where the lamp body stops rotating is the zero point.
Preferably, in the step B, the start end of the detection position is the position of the detection magnet when the low level of the positioning magnetosensitive sensor is switched to the high level; the tail end of the detection position is the position of the detection magnet when the high level of the positioning magnetosensitive sensor is switched to the low level.
Preferably, in the step B, the stepping motor is slowly decelerated to a stop after the lamp body rotates until the detecting magnet reaches the start end of the detecting position.
Preferably, in the step D, after the lamp body rotates until the detecting magnet reaches the end of the detecting position of the positioning magneto-sensitive sensor, the stepping motor slowly decelerates and rotates by a set angle.
Preferably, the lamp body further comprises an amplifying magneto-dependent sensor and a focusing magneto-dependent sensor, and the amplifying magneto-dependent sensor and the focusing magneto-dependent sensor are arranged on one side of the mounting bracket up and down.
Preferably, in the step C, the specific steps of resetting the focusing component and the amplifying component are as follows: firstly, the focusing component is moved to one end of the mounting bracket, when the focusing component is moved to the focusing magnetic sensor to stop moving or continuously move to a preset position, the resetting of the focusing component is completed, then the amplifying component is moved to the other end of the mounting bracket, and when the amplifying component is moved to the amplifying magnetic sensor to stop moving or continuously move to the preset position, the resetting of the amplifying component is completed.
Preferably, the mechanical origin in step a is set by an encoder, a sensor or a proximity switch.
The beneficial effects of the invention are as follows: according to the invention, the detection magnet is arranged on the driven wheel, and the positioning magnetic sensor for detecting the position of the detection magnet is arranged above the driven wheel, so that the positioning of the swinging lamp is realized, the lamp body is rotated to the zero position when reset each time by the method, the scanning positioning precision of the computer swinging lamp is effectively improved, the positioning consistency among lamps is improved, and the stage lighting effect is ensured.
Drawings
The present invention is further illustrated by the accompanying drawings, which are not to be construed as limiting the invention in any way.
FIG. 1 is a schematic view of a lamp body position according to one embodiment of the present invention;
fig. 2 is a schematic diagram of the positions of a focusing member and an amplifying member of one embodiment of the present invention.
Detailed Description
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
Referring to fig. 1, the head shaking lamp comprises a lamp body, a driving part, a focusing part F and an amplifying part Z, wherein a mounting bracket is arranged above the lamp body, the focusing part F and the amplifying part Z are arranged on the mounting bracket in a vertically sliding manner, the driving part comprises a stepping motor, a driving wheel M, a driven wheel R and a belt P, a rotating shaft of the stepping motor is connected with the driving wheel M, the driving wheel M is in transmission connection with the driven wheel R through the belt P, the lamp body is arranged on the driven wheel R, a positioning magnetosensitive sensor C is arranged above the driven wheel R, and a detection magnet A is arranged on the driven wheel R;
the reset method comprises the following steps:
step A: the driving wheel M is driven by the stepping motor, so that the driven wheel R in transmission connection with the driving wheel M drives the lamp body to rotate to a set mechanical origin Ra or Rb, wherein the mechanical origin Ra or Rb is a manually set mechanical origin;
and (B) step (B): starting the positioning magneto-dependent sensor and continuously rotating the lamp body, and stopping rotating when the lamp body rotates until the detection magnet reaches the starting end Rd of the detection position of the positioning magneto-dependent sensor;
step C: resetting the adjusting Jiao Bujian F and the amplifying part Z in sequence, and executing the step D after the focusing part F and the amplifying part Z are reset to Fa and Za respectively;
step D: and the lamp body continuously rotates until the detection magnet reaches the tail end of the detection position of the positioning magneto-dependent sensor, then the lamp body stops rotating by a set angle, and the position where the lamp body stops rotating is the zero point.
Therefore, the step A plays a role in setting a positioning starting point in the resetting process of the lamp body, and because of the driving principle characteristic of the stepping motor, if the position is used as a positioning zero point, the positioning precision of a long-distance light spot cannot be met far, the mechanical origin is set to enable the lamp body to start to be positioned when the lamp body moves to the mechanical origin in each positioning, positioning errors are avoided, and the positioning consistency among lamps is improved. After the lamp body rotates to the starting end of the detection position of the positioning magneto-sensitive sensor, the adjusting Jiao Bujian F and the amplifying component Z are reset firstly, and then the lamp body rotates to the zero point L0, so that the influence on the detection of the positioning magneto-sensitive sensor caused by the focusing component F and the amplifying component Z in the resetting process is avoided, and the resetting precision is ensured.
Preferably, in the step B, the start end of the detection position is the position of the detection magnet when the low level of the positioning magnetosensitive sensor is switched to the high level; the tail end of the detection position is the position of the detection magnet when the high level of the positioning magnetosensitive sensor is switched to the low level. Therefore, the rotating position of the lamp body is convenient to determine, and the lamp body can move to the zero point L0 each time of resetting.
Preferably, in the step B, the stepping motor slowly decelerates to stop after the lamp body rotates to the starting end of the detection position, so that the stepping motor can restrain the vibration of the motor rotating shaft, the belt P and the lamp body when slowly decelerating, the influence of the vibration generated by the belt, the lamp body and other parts caused by the urgent deceleration on the positioning effect is avoided, the deviation caused by the stress change is effectively reduced, and the positioning precision of the lamp body is improved.
Preferably, in the step D, after the lamp body rotates until the detecting magnet reaches the end of the detecting position of the positioning magneto-sensitive sensor, the stepping motor slowly decelerates and rotates by a set angle. From this, equally for step motor can restrain motor shaft, belt and lamp body's vibration at slow running's in-process, avoids slowing down and excessively urgently leads to the vibration that parts such as belt and lamp body produced to lead to the effect to the location to influence, effectively reduces the deviation that stress variation caused, improves the positioning accuracy of lamp body, can pinpoint to the position of zero point when guaranteeing to reset at every turn, improves the location uniformity between the lamps and lanterns to guarantee stage lighting effect.
Preferably, the lamp body further comprises an amplifying magneto-dependent sensor and a focusing magneto-dependent sensor, and the amplifying magneto-dependent sensor and the focusing magneto-dependent sensor are arranged on one side of the mounting bracket up and down. The amplifying magneto-sensitive sensor and the focusing magneto-sensitive sensor are respectively positioned at two ends of the mounting bracket, and respectively play roles of upper limit and lower limit on the focusing part F and the amplifying part Z, so that the normal use of the head shaking lamp is ensured.
Preferably, in step C, referring to fig. 2, the specific steps of resetting the focusing element F and the amplifying element Z are as follows: the focusing part F is moved to one end of the mounting bracket, when the focusing part F is moved to the Fa position, the resetting of the focusing part F is completed, then the amplifying part Z is moved to the other end of the mounting bracket, and when the amplifying part Z is moved to the Za position, the resetting of the amplifying part is completed. The position Fa is the corresponding position detected by the focusing magnetic sensor or the position of the focusing component F after passing through the focusing magnetic sensor, and the focusing component F continues to move for a set distance; the Za is the corresponding position detected by the amplifying magneto-dependent sensor or the position of the amplifying component Z after passing through the amplifying magneto-dependent sensor, the amplifying component Z is continuously moved for a set distance, and the set positions of Fa and Za are determined according to the gravity center of the head shaking lamp and the final resetting and positioning effect; when the focusing part F and the amplifying part Z are reset each time, the focusing part F and the amplifying part Z are ensured to move to the Fa position and the Za position respectively, and the deviation caused by the random positioning of the existing focusing part F and the amplifying part Z is solved.
Preferably, the mechanical origin in step a is set by an encoder, a sensor or a proximity switch. Thus, the mechanical origin of the lamp body can be set by adding components such as an encoder, a sensor, a proximity switch, and the like.
The technical principle of the present invention is described above in connection with the specific embodiments. The description is made for the purpose of illustrating the general principles of the invention and should not be taken in any way as limiting the scope of the invention. Other embodiments of the invention will be apparent to those skilled in the art from consideration of this specification without undue burden.
Claims (7)
1. The high-precision scanning resetting method of the stage shaking head lamp is characterized in that the shaking head lamp comprises a lamp body, a driving part, a focusing part and an amplifying part, wherein a mounting bracket is arranged above the lamp body, the focusing part and the amplifying part are arranged on the mounting bracket in a vertical sliding mode, the driving part comprises a stepping motor, a driving wheel, a driven wheel and a belt, a rotating shaft of the stepping motor is connected with the driving wheel, the driving wheel is in transmission connection with the driven wheel through the belt, the lamp body is arranged on the driven wheel, a positioning magnetosensitive sensor is arranged above the driven wheel, and a detection magnet is arranged on the driven wheel;
the reset method comprises the following steps:
step A: the driving wheel is driven by the stepping motor, so that the driven wheel in transmission connection with the driving wheel drives the lamp body to rotate to a set mechanical origin;
and (B) step (B): starting the positioning magneto-sensitive sensor and continuously rotating the lamp body, and stopping rotating when the lamp body rotates until the detection magnet reaches the starting end of the detection position of the positioning magneto-sensitive sensor;
step C: resetting the focusing component and the amplifying component in sequence, and executing the step D after the focusing component and the amplifying component are reset;
step D: and the lamp body continuously rotates until the detection magnet reaches the tail end of the detection position of the positioning magneto-dependent sensor, then the lamp body stops rotating by a set angle, and the position where the lamp body stops rotating is the zero point.
2. The high-precision scanning resetting method of a stage moving head lamp as defined in claim 1, wherein in the step B, a starting end of the detection position is a position where the detection magnet is located when the low level of the positioning magneto-sensitive sensor is switched to the high level; the tail end of the detection position is the position of the detection magnet when the high level of the positioning magnetosensitive sensor is switched to the low level.
3. The high-precision scanning resetting method of a stage moving head lamp as recited in claim 1, wherein in the step B, the stepping motor is slowly decelerated to a stop after the lamp body rotates until the detecting magnet reaches a start end of the detecting position.
4. The high-precision scanning resetting method of a stage moving head lamp as defined in claim 1, wherein in the step D, the stepping motor is slowly decelerated and rotated by a set angle after the detecting magnet reaches the end of the detecting position of the positioning magnetosensitive sensor.
5. The high-precision scanning resetting method of a stage moving head lamp as recited in claim 1, wherein the lamp body further comprises an amplifying magneto-dependent sensor and a focusing magneto-dependent sensor, and the amplifying magneto-dependent sensor and the focusing magneto-dependent sensor are arranged on one side of the mounting bracket up and down.
6. The high-precision scanning resetting method of a stage moving head lamp as defined in claim 5, wherein in the step C, the specific steps of resetting the focusing component and the amplifying component are as follows: firstly, the focusing component is moved to one end of the mounting bracket, when the focusing component is moved to the focusing magnetic sensor to stop moving or continuously move to a preset position, the resetting of the focusing component is completed, then the amplifying component is moved to the other end of the mounting bracket, and when the amplifying component is moved to the amplifying magnetic sensor to stop moving or continuously move to the preset position, the resetting of the amplifying component is completed.
7. A high precision scan reset method of a stage moving head lamp according to claim 1, wherein the mechanical origin in step a is set by an encoder, a sensor or a proximity switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110910077.2A CN113819447B (en) | 2021-08-09 | 2021-08-09 | High-precision scanning resetting method of stage head shaking lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110910077.2A CN113819447B (en) | 2021-08-09 | 2021-08-09 | High-precision scanning resetting method of stage head shaking lamp |
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| Publication Number | Publication Date |
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| CN113819447A CN113819447A (en) | 2021-12-21 |
| CN113819447B true CN113819447B (en) | 2024-04-09 |
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| CN202110910077.2A Active CN113819447B (en) | 2021-08-09 | 2021-08-09 | High-precision scanning resetting method of stage head shaking lamp |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763970A (en) * | 2015-03-26 | 2015-07-08 | 广州市浩洋电子有限公司 | Easily maintained stage lamp optical component, maintenance control system and maintenance method thereof |
| CN107575837A (en) * | 2017-10-31 | 2018-01-12 | 湖南明和光电设备有限公司 | Lamp holder focusing amplifier module disassembly and assembly structure |
| CN109681836A (en) * | 2019-01-07 | 2019-04-26 | 广州筑梦灯光设备有限公司 | A kind of focusing amplifying device of stage lamp |
| CN111506121A (en) * | 2020-05-26 | 2020-08-07 | 广州彩熠灯光股份有限公司 | Stage lamp and positioning method thereof |
| CN112413541A (en) * | 2020-11-19 | 2021-02-26 | 广州市雅江光电设备有限公司 | Control method and system for transmission parts of moving head lamp |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITUB20155045A1 (en) * | 2015-10-19 | 2017-04-19 | Clay Paky Spa | LIGHT GROUP AND ITS CONTROL METHOD |
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2021
- 2021-08-09 CN CN202110910077.2A patent/CN113819447B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763970A (en) * | 2015-03-26 | 2015-07-08 | 广州市浩洋电子有限公司 | Easily maintained stage lamp optical component, maintenance control system and maintenance method thereof |
| CN107575837A (en) * | 2017-10-31 | 2018-01-12 | 湖南明和光电设备有限公司 | Lamp holder focusing amplifier module disassembly and assembly structure |
| CN109681836A (en) * | 2019-01-07 | 2019-04-26 | 广州筑梦灯光设备有限公司 | A kind of focusing amplifying device of stage lamp |
| CN111506121A (en) * | 2020-05-26 | 2020-08-07 | 广州彩熠灯光股份有限公司 | Stage lamp and positioning method thereof |
| CN112413541A (en) * | 2020-11-19 | 2021-02-26 | 广州市雅江光电设备有限公司 | Control method and system for transmission parts of moving head lamp |
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| Publication number | Publication date |
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| CN113819447A (en) | 2021-12-21 |
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