CN111200886A - Lamp bead arrangement method of composite light source - Google Patents
Lamp bead arrangement method of composite light source Download PDFInfo
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- CN111200886A CN111200886A CN202010029047.6A CN202010029047A CN111200886A CN 111200886 A CN111200886 A CN 111200886A CN 202010029047 A CN202010029047 A CN 202010029047A CN 111200886 A CN111200886 A CN 111200886A
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- monochromatic light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B44/00—Circuit arrangements for operating electroluminescent light sources
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Optics & Photonics (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
The invention discloses a lamp bead arrangement method of a composite light source, which comprises the following steps of firstly, determining an irradiation distance L; secondly, respectively making the monochromatic light lamp beads A1To a monochromatic light lamp bead AnLighting and irradiating at an irradiation distance L; thirdly, shooting and acquiring an illuminance distribution map by using an industrial camera; fourthly, measuring the radius R of the circular central area in each illuminance distribution diagram according to the illuminance distribution diagram1Radius R2… … radius RnAnd the arrangement distance of any two related monochromatic light beads is the sum of the correspondingly measured radiuses. The invention accurately obtains the illumination distribution map of the monochromatic light beads by using the industrial camera, reversely determines the arrangement relation of each monochromatic light bead by measuring the illumination distribution, avoids the problem of high labor cost caused by repeated manual experiments in the prior art, is more accurate in distance setting, can ensure the maximized mixed light irradiation surface while satisfying uniform mixed light, and ensures the illumination utilization efficiency.
Description
Technical Field
The invention relates to the technical field of optics, in particular to a lamp bead arrangement method of a composite light source.
Background
Optics is widely used in various fields of industry, such as industrial inspection and the like. In optical applications, a part of the methods is light mixing, that is, several kinds of monochromatic light are mixed to form composite light, but the composite light needs to be uniform in color in use. In order to achieve the purpose of synthesizing composite light with uniform color, the key point is that the monochromatic light beads are arranged at the positions with proper intervals, the distance cannot be too far, meanwhile, the light utilization efficiency needs to be considered, and the condition that the monochromatic light beads cannot be too close is avoided, so that the light waste caused by too small effective utilization area is avoided. In the existing industrial operation of the light mixing, manual experiment and adjustment are often adopted, time and labor are wasted, the labor cost is high, and the light mixing is not economical.
In particular, the optical product is prepared and applied to the fields of industrial inspection and the like. As the quality grades of the produced products increase, further demands on the surface of the products are also relatively stringent. The defects on the surface of the product can affect the quality of the product. In order to meet the high precision of product surface detection, optical detection is adopted, which is a form meeting the requirements. There are light sources for industrial inspection based on this.
The existing light source product for industrial detection forms composite light with uniform color by mixing at least two monochromatic lights, and when the product is used as a detection light source, if flaws exist on the surface of the product, different monochromatic lights have different reflection effects, so that the detection is easy to find and realized. In order to achieve the purposes of uniform composite light color and high illumination utilization rate. At present, the lamp bead arrangement aiming at the light source is generally based on information such as color requirement condition, working distance and the like provided by customers, and then the information is obtained through repeated experiments and adjustment of manpower, so that light source production enterprises need to consume a large amount of manpower to complete the work, and the manpower for participation also needs to spend a large amount of time for experiments and adjustment. For light source production enterprises, the labor consumption is related to the consumption of higher labor cost. In addition, the manpower adjustment precision is not high, and the realization that the light utilization efficiency is close to the maximization is not facilitated.
Disclosure of Invention
In view of the problems of high labor cost and poor utilization of illumination efficiency in the conventional method for producing composite light, the present invention providesAiming at providing a lamp bead arrangement method of a composite light source, and preparing a monochromatic light lamp bead A for composite light formation1Monochromatic light lamp bead A2… … lamp bead A of monochromatic lightnAnd the monochromatic light lamp bead A1To a monochromatic light lamp bead AnThe colors are different, and the method also comprises the following steps:
firstly, determining an irradiation distance L;
secondly, respectively using the monochromatic light lamp beads A1To a monochromatic light lamp bead AnLighting and irradiating at the irradiation distance L;
thirdly, shooting and acquiring an illuminance distribution map by using an industrial camera;
fourthly, measuring the radius R of the circular central area in each illuminance distribution diagram according to the illuminance distribution diagram1Radius R2… … radius RnAnd the arrangement distance of any two related monochromatic light beads is the sum of the corresponding measured radiuses.
Further, in the fourth step, the illuminance distribution map is transmitted to a computer, and the radius of the circular central region is measured by software.
Further, a coordinate for measuring the radius of the circular central area is established through software, and the origin of the coordinate is located at the center of the circular central area.
Further, the lamp bead arrangement method is applied to an industrial inspection light source.
Further, the irradiation distance L is an irradiation distance actually used by the industrial inspection light source in an inspection operation.
Further, the value of n is 2.
Further, the n value is 4, the quantity of monochromatic light lamp pearl is a plurality of to the monochromatic light lamp pearl that uses four kinds of different colours is a set of, divide into the multiunit, and is a plurality of the monochromatic light lamp pearl is the matrix and arranges, and the colour of an arbitrary monochromatic light lamp pearl is different with the lamp pearl colour nearest all around.
Has the advantages that: the invention has novel concept, reasonable design and convenient use, accurately obtains the illumination distribution map of the monochromatic light lamp beads by using the industrial camera, reversely determines the arrangement relation of each monochromatic light lamp bead by measuring the illumination distribution, avoids the problem of high labor cost caused by repeated manual experiments in the prior art, is more accurate in distance setting, can ensure the maximum mixed light irradiation surface while meeting the requirement of uniform mixed light, and ensures the illumination utilization efficiency.
Detailed Description
The invention is further illustrated by the following examples:
a method for arranging beads of a composite light source prepares a monochromatic light bead A for composite light formation1Monochromatic light lamp bead A2… … lamp bead A of monochromatic lightnAnd the monochromatic light lamp bead A1To a monochromatic light lamp bead AnThe colors are different, and the method is characterized by comprising the following steps:
firstly, determining an irradiation distance L;
secondly, respectively using the monochromatic light lamp beads A1To a monochromatic light lamp bead AnLighting and irradiating at the irradiation distance L;
thirdly, shooting and acquiring an illuminance distribution map by using an industrial camera;
fourthly, measuring the radius R of the circular central area in each illuminance distribution diagram according to the illuminance distribution diagram1Radius R2… … radius RnAnd the arrangement distance of any two related monochromatic light beads is the sum of the corresponding measured radiuses.
In the basic scheme of the invention, monochromatic light lamp beads for composite illumination are selected at first, and at least two lamp beads with different colors are selected. In the illumination composition, the problem that the effect is different due to the fact that the distance between each monochromatic light lamp bead and the irradiated surface is far and near needs to be considered, and therefore the same irradiation distance L is adopted for each monochromatic light lamp bead. In subsequent irradiation, each monochromatic light lamp bead is irradiated independently at the irradiation distance L, and after the irradiation is well performed, an illumination distribution map is shot and acquired through an industrial camera. Since the illuminance at the direct projection part of the light source is high, the illuminance at the edge part is lowAnd the middle direct illumination area in the displayed illumination distribution is the circular central area, so that the illumination is uniform and the energy is high. Meanwhile, the circular central area is generally displayed in red, and in some cases, the circular central area is displayed in yellow due to the fact that the irradiation distance L is large enough, so that subsequent measurement is inconvenient. At the measuring of the corresponding radius R1Radius R2… … radius RnAnd then adding the two to determine the distance between the beads of the monochromatic light. It should be noted that the corresponding relationship between the distance between the monochromatic light beads and the radius of the light spot and the uniformity of the mixed light is summarized by a plurality of manual experiments, and the invention standardizes and quantifies the experience summarized by the manual experiments by using the technical means, so as to obtain uniform mixed light and maximum illumination efficiency.
Preferably, in the fourth step, the illuminance distribution map is transmitted to a computer, and the radius of the circular central region is measured by software. In the preferred embodiment, the radius is measured by software against the circular center region of the intensity profile. The software used is image processing software.
Preferably, the software establishes coordinates for measuring the radius of the circular central area, and the origin of the coordinates is located at the center of the circle of the circular central area. In the preferred scheme, a method for specifically measuring the radius of the circular central area through coordinates is provided, the general coordinates are grid-shaped coordinates, and the edges of the general light spots do not have clear side lines, so that the grid-shaped coordinates are adopted to facilitate measurement of the dimension specification of each position of the circular central area.
Preferably, the lamp bead arrangement method is applied to an industrial inspection light source. The preferred embodiment applies the method specifically to industrial inspection light sources, i.e., to the manufacture of industrial inspection light sources. The industrial inspection light source generally adopts LED lamp pearl, and generally forms holistic light source product through arranging LED lamp pearl preparation on a whole board. Besides LED lamps, basic structures such as lamp covers are also involved.
Preferably, the irradiation distance L is an irradiation distance actually used by the industrial inspection light source in an inspection operation. Because the effect that the lamp pearl shines on different distances can be different, consequently regard as the irradiation distance L when arranging the lamp pearl with the distance of industrial inspection light source when the actual use, can satisfy and set up good lamp pearl interval according to service condition, so can guarantee the result of use of light source.
Preferably, the value of n is 2. The preferred mode particularly points out the condition of two monochromatic light bulbs. Because any combination will involve the relationship between two beads of monochromatic light.
Preferably, the n value is 4, the quantity of monochromatic light lamp pearl is a plurality of to use the monochromatic light lamp pearl of four kinds of different colours as a set of, divide into the multiunit, it is a plurality of the monochromatic light lamp pearl is the matrix and arranges, and the colour of an arbitrary monochromatic light lamp pearl is different with the lamp pearl colour nearest all around. The condition of an industrial inspection light source formed by combining four monochromatic light bulbs with different eye colors is given in the preferred scheme, and the industrial inspection light source is specifically arranged in a matrix. Meanwhile, it should be noted that the color difference should be understood that, in the matrix arrangement, the color of the lamp bead using any one lamp bead as the origin position is different from the color of the lamp beads in the front, back, left and right directions.
The foregoing detailed description of the preferred embodiments of the invention has been presented. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the present teachings without departing from the inventive concepts. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the prior art according to the concept of the present invention should be within the scope of protection defined by the claims.
Claims (7)
1. A method for arranging beads of a composite light source prepares a monochromatic light bead A for composite light formation1Monochromatic light lamp bead A2… … lamp bead A of monochromatic lightnAnd the monochromatic light lamp bead A1To a monochromatic light lamp bead AnThe colors are different from each other, and the method is characterized by comprising the following steps:
firstly, determining an irradiation distance L;
secondly, respectively using the monochromatic light lamp beads A1To a monochromatic light lamp bead AnLighting and irradiating at the irradiation distance L;
thirdly, shooting and acquiring an illuminance distribution map by using an industrial camera;
fourthly, measuring the radius R of the circular central area in each illuminance distribution diagram according to the illuminance distribution diagram1Radius R2… … radius RnAnd the arrangement distance of any two related monochromatic light beads is the sum of the correspondingly measured radiuses.
2. The method for arranging lamp beads of a composite light source as claimed in claim 1, wherein in the fourth step, the illuminance distribution map is transmitted to a computer, and the radius of the circular central area is measured by software.
3. The method for arranging the lamp beads of the composite light source as claimed in claim 2, wherein a coordinate for measuring the radius of the circular central area is established through software, and the origin of the coordinate is located at the center of the circular central area.
4. The method for arranging the lamp beads of the composite light source as claimed in any one of claims 1 to 3, wherein the method for arranging the lamp beads is applied to an industrial inspection light source.
5. The method for arranging the lamp beads of the composite light source as claimed in claim 4, wherein the irradiation distance L is an irradiation distance actually used by the industrial inspection light source in an inspection operation.
6. The method for arranging lamp beads of a composite light source as claimed in claim 5, wherein the value of n is 2.
7. The light bead arrangement method for the composite light source as claimed in claim 5, wherein the n value is 4, the number of the monochromatic light beads is multiple, the four monochromatic light beads with different colors are taken as a group and divided into multiple groups, the multiple monochromatic light beads are arranged in a matrix, and the color of any one monochromatic light bead is different from the color of the bead nearest to the periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010029047.6A CN111200886A (en) | 2020-01-12 | 2020-01-12 | Lamp bead arrangement method of composite light source |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010029047.6A CN111200886A (en) | 2020-01-12 | 2020-01-12 | Lamp bead arrangement method of composite light source |
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| CN111200886A true CN111200886A (en) | 2020-05-26 |
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| CN202010029047.6A Pending CN111200886A (en) | 2020-01-12 | 2020-01-12 | Lamp bead arrangement method of composite light source |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115866836A (en) * | 2022-12-30 | 2023-03-28 | 东莞锐视光电科技有限公司 | Configuration control method and device based on LED composite light source |
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Application publication date: 20200526 |
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| RJ01 | Rejection of invention patent application after publication |