CN109632088B - Automatic control system for detecting and correcting illuminance of multiple light sources - Google Patents
Automatic control system for detecting and correcting illuminance of multiple light sources Download PDFInfo
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- CN109632088B CN109632088B CN201910043170.0A CN201910043170A CN109632088B CN 109632088 B CN109632088 B CN 109632088B CN 201910043170 A CN201910043170 A CN 201910043170A CN 109632088 B CN109632088 B CN 109632088B
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- 238000001514 detection method Methods 0.000 claims abstract description 55
- 238000005096 rolling process Methods 0.000 claims abstract description 29
- 238000005286 illumination Methods 0.000 claims abstract description 16
- 239000013598 vector Substances 0.000 claims description 16
- 238000012937 correction Methods 0.000 claims description 13
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000005259 measurement Methods 0.000 abstract description 16
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 4
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 3
- 229910052711 selenium Inorganic materials 0.000 description 3
- 239000011669 selenium Substances 0.000 description 3
- 239000011265 semifinished product Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/0242—Control or determination of height or angle information of sensors or receivers; Goniophotometry
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/02—Details
- G01J1/04—Optical or mechanical part supplementary adjustable parts
- G01J1/0403—Mechanical elements; Supports for optical elements; Scanning arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J1/00—Photometry, e.g. photographic exposure meter
- G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
- G01J2001/4247—Photometry, e.g. photographic exposure meter using electric radiation detectors for testing lamps or other light sources
Abstract
The invention discloses an automatic control system for detecting and correcting illumination of multiple light sources, which comprises a dome light source detection module, wherein the dome light source detection module comprises a main support, a control circuit board, an auxiliary support, a yaw motor, a yaw support, a rolling motor, a rolling support and an illumination sensor, the control circuit board is arranged right above the main support, the auxiliary support is fixed on the right side of the main support, the yaw motor is fixed on the auxiliary support, the top of the yaw motor is connected with the yaw support, the rolling motor is arranged on the yaw support, the rolling support is fixed on the right side of the rolling motor, and the illumination sensor is arranged on the rolling support. The automatic control system for detecting and correcting the illuminance of the multiple light sources can be matched with different supports to be used for various links of production, detection, after-sales and the like of dome light source related products, so that measurement errors are reduced, and the intelligent degree is high, and convenience and quickness are realized.
Description
Technical Field
The invention relates to the technical field of automatic control, in particular to an automatic control system for detecting and correcting illuminance of multiple light sources.
Background
The illuminance, unit lux, represents the luminous flux received by the surface unit area of the shot main body, the illuminance is abbreviated as 1 lux, which is equivalent to 1 lumen/square meter, various illuminometers for measuring illuminance are available in the market at present, the illuminometers are usually composed of selenium photocells or silicon photocells matched with optical filters and microammeters, the photocells are photoelectric elements for directly converting light energy into electric energy, when light rays are emitted to the surface of the selenium photocells, incident light passes through a metal film to reach the interface of a semiconductor selenium layer and the metal film, photoelectric effect is generated on the interface, the generated photo-generated current has a certain proportion relation with the illuminance on the light receiving surface of the photocell, if an external circuit is connected, current flows, the current value is indicated from the microammeters with lux (Lx) as a scale, and the magnitude of the photo-current depends on the intensity of the incident light.
The existing illuminometers are mostly handheld illuminometers, manual operation measurement is needed, if the measurement angle is inaccurate, the result of measuring the illuminance value also changes, the measurement error is larger, error control is difficult, data input feedback also needs manual input, the measurement accuracy is poor for dome light sources formed by a plurality of luminous objects, the intelligent degree is low, the consumed time is long, the correction of illuminance can not be carried out, the existing invention related to illuminance or brightness measurement calibration mainly utilizes the principle of the illuminometers, a terminal and automatic measurement equipment are connected, the instrument can automatically measure and obtain illuminance data of a plurality of light sources, and automatically input data for analysis, but the position of the luminous objects can not be accurately and rapidly obtained, and the measurement result of the luminous objects with multiple positions and angles can not be used for automatic correction of illuminance of the luminous objects.
Disclosure of Invention
The invention aims to provide an automatic control system for detecting and correcting illuminance of multiple light sources, which aims to solve the problems that the existing illuminometers in the background art are mostly handheld illuminometers, manual operation measurement is needed, if the measurement angle is inaccurate, the result of measuring the illuminance value also changes, the measurement error is larger, the error control is difficult, the data input feedback also needs manual input, the measurement accuracy is poor, the intelligent degree is low, the time consumption is long, the illuminance correction can not be carried out, the existing invention about illuminance or brightness measurement calibration mainly uses the principle of the illuminometers, a terminal and automatic measurement equipment are connected, the instrument can automatically measure illuminance data of multiple light sources, automatically input the data for analysis, but the measuring result of the multi-position and multi-angle luminous object can not be dynamically tracked, the position of the luminous object can not be accurately and rapidly obtained, and the measurement result of the multi-position and multi-angle luminous object can not be used for automatic correction of the illuminance of the luminous object.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an automatic control system who detects and correct with many light sources illuminance, includes dome light source detection module, dome light source detection module includes main support, control circuit board, auxiliary support, yaw motor, yaw support, roll motor, roll support and illuminance sensor, install control circuit board directly over the main support, and the right side of main support is fixed with auxiliary support, is fixed with yaw motor on the auxiliary support simultaneously, yaw motor top is connected with yaw support, and installs the motor of rolling on the yaw support, rolls the motor right side simultaneously and is fixed with the support of rolling, install illuminance sensor on the support of rolling.
Preferably, the dome light source detection module is electrically connected with the computer through a data line.
Preferably, the dome light source detection module may be fixed to the upper mode bracket by a bolt, and the dome light source detection module may be fixed to the lower mode bracket by a bolt.
Preferably, the main support and the control circuit board are fixed through bolts.
Preferably, the yaw support is in an L-shaped structure.
Preferably, the yaw motor and the yaw bracket form a rotating mechanism.
Preferably, the rolling motor and the rolling bracket form a rotating mechanism.
Compared with the prior art, the invention has the beneficial effects that:
the detection hardware part is in modularized design, is convenient to install on various supports and is used for detecting various dome light sources or other light sources, the dome light source serving as a semi-finished product can be detected by the support in the matched upper mode, the instrument and equipment assembled into the finished product can be detected by the support in the matched lower mode, and the measurement error can be reduced by the support in the matched different modes, so that the intelligent type dome light source detection system is high in intelligent degree, convenient and quick, the luminous intensity of each lamp position in the dome light source is automatically corrected to be a uniform value, a detection report is provided, the incident angle of the lamp position is detected, and the detection system is used for acquiring the lamp position information of the dome light source with unknown lamp positions, can measure the processing and assembling precision of the dome, whether the lamp positions are misplaced, can quickly find the quality problems of a single lamp, the heat dissipation effect is not up to standard and the like; the uniformity and standard level of the lamp position of the dome light source can be quantified.
Drawings
FIG. 1 is a schematic diagram of a dome light source detection module according to the present invention;
FIG. 2 is a schematic diagram of the system of the present invention;
FIG. 3 is a schematic diagram of the detection mode according to the present invention;
FIG. 4 is a schematic diagram of the detection mode according to the present invention;
FIG. 5 is a schematic diagram of the lamp position tracking principle of the present invention;
FIG. 6 is a schematic diagram of a lamp position tracking process according to the present invention;
FIG. 7 is a schematic diagram of the functional structure of the software interface according to the present invention.
In the figure: 1. the dome light source detection module comprises a dome light source detection module body 2, a data line 3, a main support, a control circuit board 4, a computer 5, an auxiliary support, a yaw motor 6, a yaw support 7, a yaw support 8, a roll motor 9, a roll support 10, an illuminance sensor 11, an upper mode support 12, a dome light source 13, a computer 14 and a lower mode support.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides an automatic control system of many light sources illuminance detection and correction, including dome light source detection module 1, the data line 2, main support 3, control circuit board 4, sub-support 5, yaw motor 6, yaw support 7, roll motor 8, roll support 9, illuminance sensor 10, go up mode support 11, dome light source 12, computer 13 and lower mode support 14, dome light source detection module 1 includes main support 3, control circuit board 4, sub-support 5, yaw motor 6, yaw support 7, roll motor 8, roll support 9 and illuminance sensor 10, install control circuit board 4 directly over main support 3, and the right side of main support 3 is fixed with sub-support 5, be fixed with yaw motor 6 on the sub-support 5 simultaneously, yaw motor 6 top is connected with yaw support 7, and install roll motor 8 on yaw support 7, be fixed with roll support 9 simultaneously on roll motor 8 right side, install illuminance sensor 10 on roll support 9.
The dome light source detection module 1 of this example is electrically connected with the computer 13 through the data line 2, communicates with the computer 13 through the USB interface data line 2, and the data line 2 receives the command of the control software and communicates the command to the control circuit board 4.
The dome light source detection module 1 can be fixed with the upper mode support 11 through bolts, the dome light source detection module 1 can be fixed with the lower mode support 14 through bolts, the dome light source detection module 1 is partially in modularized design, the upper mode support 11 and the lower mode support 14 can be replaced and fixed with the dome light source detection module 1, the dome light source detection module 1 is convenient to install on various supports and detect various dome light sources 12 or other light sources, the dome light source detection module 1 can detect the dome light source 12 serving as a semi-finished product through being matched with the upper mode support 11, the dome light source detection module 1 can detect instruments and equipment which are assembled into a finished product through being matched with the lower mode support 14, and the dome light source detection module 1 can be applied to various links such as production, detection and after-sale of products related to the dome light source 12.
The main support 3 is fixed with the control circuit board 4 through bolts, the main functions of the control circuit board 4 are controlled 6, the yaw motor 6, the rolling motor 7 and the illuminance sensor 10, after receiving the command of control software, the control circuit board 4 drives the rolling motor 7 and the yaw motor 6 to rotate, so that the illuminance sensor 10 rotates to set pitching and rolling angles, and the illuminance value of the illuminance sensor 10 is read and returned.
The yaw support 7 is of an L-shaped structure, and the yaw support 7 of the L-shaped structure is convenient for the illuminance sensor 10 to rotate in an omnibearing manner, so that the illuminance sensor 10 can conveniently detect light sources with different orientations.
Yaw motor 6 constitutes slewing mechanism with yaw support 7, yaw motor 6 drives yaw support 7 rotation to yaw motor 6 can control the yaw angle of illuminance sensor 10, and the illuminance sensor 10 of being convenient for control can rotate and reach arbitrary orientation.
The rolling motor 8 and the rolling support 9 form a rotating mechanism, the rolling motor 8 drives the rolling support 9 to rotate, the rolling motor 8 can control the rolling angle of the illuminance sensor 10, and the illuminance sensor 10 can be controlled to rotate to achieve any direction.
The invention uses the lamp position and brightness correction technology control program of each single lamp of the dome light source as follows:
firstly, control software sends position information of a certain lamp position to a dome light source detection module 1 to enable an illuminance sensor 1 to point to the lamp position; the two relative power values of the lamp position are randomly set by the different dome light source 12 drives and the corresponding two illumination values are read; then, according to the set of relative power-illuminance values, the linear relation between the illuminance and the relative power value under the lamp position is obtained, and the relative power to be corrected of the lamp position is estimated by utilizing the relation; fine tuning around the relative power such that irradiance of the light bit is closest to a value to be corrected, and finally setting the value to a default relative power value of the light bit through a universal light bit control interface.
The lamp position detection technical scheme comprises the following steps:
the illuminance value E measured by the illuminometer can be obtained according to the illuminance law
Where λ is the incident light vector, N is the normal vector to the plane in which the illuminance sensor 10 lies, and k is a constant.
As shown in fig. 5 and 6, initial incidence is estimated firstDetermining an initial angle θ 1 Find 4 evenly distributed vectors +.>They are->The angle formed by stretching is theta 1 The method comprises the steps of carrying out a first treatment on the surface of the The software controls the dome light source detection module 1 to respectively turn the 4 vectors and respectively measure the illuminance as E 1 、E 2 、E 3 、E 4 The method comprises the steps of carrying out a first treatment on the surface of the Estimating a new incident vector +.>In particular to
Will include an angle theta 2 ＝θ 1 2; comparing with the last obtained incident vector, if the included angle is smaller than the set value beta (such as 1 degree), if the included angle is smaller than the set value, converting the incident vector into a lamp position vector, ending the iteration, otherwise, continuing the iteration.
Working principle: when the automatic control system for detecting and correcting the illumination of multiple light sources is used for detection, the upper mode support 11 is fixed with the dome light source detection module 1, the dome light source detection module 1 can detect the dome light source 12 which is a semi-finished product by matching with the upper mode support 11, the lower mode support 14 is fixed with the dome light source detection module 1, the dome light source detection module 1 can detect the instrument equipment which is assembled into a finished product by matching with the lower mode support 14, when the dome light source detection module 1 is fixed with the upper mode support 11 or the lower mode support 14, a computer 13 transmits a command through a data line 2, the data line 2 receives the command of control software and transmits the command to the control circuit board 4, the control circuit board 4 receives the command of the control software, and then the control circuit board 4 drives the turning motor 7 and the yaw motor 6 to enable the illumination sensor 10 to rotate to a set pitching and rolling angle, the illumination value of the illumination sensor 10 is read back, the detection area is configured to control the detection equipment, the LED lamp test configuration area is configured to configure the detected content, and the data visual area is used to generate a test report, and the test report is not described in detail in the specification belongs to the prior art.
The terms "center," "longitudinal," "transverse," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used for descriptive simplicity and convenience only and not as an indication or implying that the apparatus or element being referred to must have a particular orientation, be constructed and operated for a particular orientation, based on the orientation or positional relationship illustrated in the drawings, and thus should not be construed as limiting the scope of the present invention.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (7)
1. The utility model provides an automatic control system of many light sources illuminance detection and correction, includes dome light source detection module (1), its characterized in that: the dome light source detection module (1) comprises a main support (3), a control circuit board (4), an auxiliary support (5), a yaw motor (6), a yaw support (7), a rolling motor (8), a rolling support (9) and an illuminance sensor (10), wherein the control circuit board (4) is arranged right above the main support (3), the auxiliary support (5) is fixed on the right side of the main support (3), the yaw motor (6) is fixed on the auxiliary support (5), the top of the yaw motor (6) is connected with the yaw support (7), the rolling motor (8) is arranged on the yaw support (7), the rolling support (9) is fixed on the right side of the rolling motor (8), and the illuminance sensor (10) is arranged on the rolling support (9);
the method also comprises the following control steps: firstly, control software sends position information of a certain lamp position to the dome light source detection module (1) so that the illuminance sensor (10) points to the lamp position; then randomly setting two relative power values of the lamp position through a universal lamp position control interface, and reading corresponding two illumination values; then, according to the set of relative power-illuminance values, the linear relation between the illuminance of the lamp position and the relative power value is obtained, and the relative power to be corrected by the lamp position is estimated by utilizing the relation; fine tuning up and down around the relative power to enable irradiance of the lamp position to be closest to a value to be corrected, and finally setting the relative power corresponding to the value as a default relative power value of the lamp position through a universal lamp position control interface;
the method also comprises the following steps: the illuminance value E measured by the illuminometer can be obtained according to the illuminance law
Wherein lambda is the incident light vector, N is the normal vector of the plane where the illuminance sensor (10) is located, and k is a constant;
first estimate initial incidenceDetermining an initial angle θ 1 Find 4 evenly distributed vectors +.> They are->The angle formed by stretching is theta 1 The method comprises the steps of carrying out a first treatment on the surface of the The software controls the dome light source detection module (1) to respectively turn to the 4 vectors and respectively measure the illumination as E1, E2, E3 and E4; estimating a new incident vector +.>In particular to
Will include an angle theta 2 ＝θ 1 2; comparing with the last obtained incident vector, if the included angle is smaller than the set value beta, if so, converting the incident vector into a lamp position vector, ending the iteration, otherwise, continuing the iteration.
2. An automatic control system for multi-light source illumination detection and correction as claimed in claim 1, wherein: the dome light source detection module (1) is electrically connected with the computer (13) through the data line (2).
3. An automatic control system for multi-light source illumination detection and correction as claimed in claim 1, wherein: the dome light source detection module (1) can be fixed with the upper mode support (11) through bolts, and the dome light source detection module (1) can be fixed with the lower mode support (14) through bolts.
4. An automatic control system for multi-light source illumination detection and correction as claimed in claim 1, wherein: the main support (3) and the control circuit board (4) are fixed through bolts.
5. An automatic control system for multi-light source illumination detection and correction as claimed in claim 1, wherein: the yaw bracket (7) is of an L-shaped structure.
6. An automatic control system for multi-light source illumination detection and correction as claimed in claim 1, wherein: the yaw motor (6) and the yaw bracket (7) form a rotating mechanism.
7. An automatic control system for multi-light source illumination detection and correction as claimed in claim 1, wherein: the rolling motor (8) and the rolling bracket (9) form a rotating mechanism.
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| CN201910043170.0A CN109632088B (en) | 2019-01-17 | 2019-01-17 | Automatic control system for detecting and correcting illuminance of multiple light sources |
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| CN201910043170.0A CN109632088B (en) | 2019-01-17 | 2019-01-17 | Automatic control system for detecting and correcting illuminance of multiple light sources |
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| CN112284522B (en) * | 2020-09-23 | 2022-10-21 | 宇龙计算机通信科技(深圳)有限公司 | Testing method and device of light sensor, storage medium and electronic equipment |
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| LED阵列发光特性仿真和对比分析;侯启真;薛荣荣;王洁宁;;液晶与显示(第12期);第22-28页 * |
| 大型LED矩形阵列光斑照度的均匀性研究;刘启能等;《发光学报》;第39卷(第05期);第699-705页 * |
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