CN103335820A - LED device chroma spatial distribution quick tester and test method - Google Patents
LED device chroma spatial distribution quick tester and test method Download PDFInfo
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- CN103335820A CN103335820A CN2013102406956A CN201310240695A CN103335820A CN 103335820 A CN103335820 A CN 103335820A CN 2013102406956 A CN2013102406956 A CN 2013102406956A CN 201310240695 A CN201310240695 A CN 201310240695A CN 103335820 A CN103335820 A CN 103335820A
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Abstract
The invention discloses an LED (Light Emitting Diode) device chroma spatial distribution quick tester and a test method. A retractable box cover is arranged on a camera obscura of the tester; a fibre-optics probe for collecting and transmitting light rays sent by the LED device, a spectrograph connected with the fibre-optics probe, raster plates allowing part of the light rays to go through, C-Gamma shaft rotary devices for placing the to-be-tested LED device, a clamp and a control system are arranged in the camera obscura. The test method comprises the following steps: placing test tools such as the to-be-tested LED device, the fibre-optics probe for collecting and transmitting optical signals and a constant current power supply for supplying power to the to-be-tested LED device in the camera obscura; mounting the to-be-tested LED device in the test clamp to be rotated with two shafts to form a semi-spherical surface direction to test. The tester and the method have the advantages that an instrument and a method for measuring the LED spatial chroma distribution are provided; chroma data acquisition of a plurality of light-emitting surfaces to the to-be-tested LED can be automatically carried out; the structure is simple; the cost is low; the testing efficiency is high; the universality is good; the detection precision is high; the manual work can be replaced; the labor intensity and labor cost can be reduced.
Description
Technical field
The present invention relates to a kind of LED device checkout equipment, relate in particular to a kind of LED device chrominance space distribution tests instrument and method of testing.
Background technology
Along with the development of LED technology, the LED lamp replaces conventional bulb gradually, and especially white light LEDs will become the main stream light sources of following general illumination.The white light LEDs of commercially producing at present except part adds redness or the green emitting phosphor, generally adopts blue-light LED chip to add yellow fluorescent powder and makes.Because led chip light distribution inhomogeneous, and that fluorescent powder applies in the encapsulation of LED device is inconsistent, causes present white light LED part to have a unevenness on the space distribution of light.And the unevenness that colourity distributes is to estimate a ten minutes important index of white light LED part quality.
The testing tool of LED industrial community only has the distributed photometer at LED light fixture or led light source at present, chrominance space distribution tests instrument at the LED device still is a blank, this is very difficult to estimating the white light LED part quality index, be unfavorable in time finding product quality problem, this problem needs to be resolved hurrily in the industry.
Summary of the invention
In order to fill up the blank of white light LEDs chrominance space distribution tests instrument aspect, the invention provides a kind of
LEDDevice chrominance space distribution high speed tester and method of testing are to satisfy the test request of LED industry.
For achieving the above object, the scheme that the present invention takes is: a kind of LED device chrominance space distribution high speed tester, comprise camera bellows, but camera bellows is provided with the case lid of folding, it is characterized in that: be provided with original screen panel that the fibre-optical probe of collecting the light that sends with transmission LED device, at least one prevent that veiling glare from interfering in the camera bellows, place anchor clamps, the stationary fixture of LED device to be measured and drive the whirligig that anchor clamps rotate and the spectrometer that is connected with fibre-optical probe; Fibre-optical probe is coaxial relative with the illuminating part level of LED device to be measured on being installed in anchor clamps; Original screen panel is arranged between fibre-optical probe and the anchor clamps, which is provided with the unthreaded hole relative with the fibre-optical probe level.
The case lid that closes can be isolated with external light source, can not be subjected to the interference of external light source.Spectrometer can be collected and be transferred to the luminous signal of LED device by fibre-optical probe.
As the improvement of such scheme, described whirligig is for can drive the C axle rotating mechanism that anchor clamps rotate at transverse axis.Described C axle rotating mechanism is arranged on the γ axle rotating mechanism that can rotate in surface level is made-90 ° ~+90 ° angular ranges.Can any point in half spheroid scope of LED device illuminating part be detected by C axle rotating mechanism and γ axle rotating mechanism.
A kind of LED device space colourity distribution test method is characterized in that it may further comprise the steps:
(1) fibre-optical probe of LED device to be measured, collection and transmission light signal, constant-current supply and the related testing appliance of following each step of powering for LED device to be measured are all placed the darkroom;
(2) LED device to be measured is placed in the removable test fixture;
(3) test fixture is installed in the adapter of a two-axle interlocking, wherein, horizontally disposed γ rotating shaft, vertically disposed C rotating shaft, the γ rotating shaft can be rotated in-180 ° ~ 180 ° angular range with the LED anchor clamps, the C rotating shaft can be from rotation in-90 ° ~ 90 ° the angular range, and the axial line at the axial line at γ rotating shaft place and C rotating shaft place intersects vertically, and intersection point overlaps with the centre of sphere of the illuminating part of LED device to be measured;
(4) fibre-optical probe is arranged on 0 ° of axle of level at LED device illuminating part to be measured center;
(5) light path between fibre-optical probe and the LED device to be measured is provided with the original screen panel that prevents that veiling glare from interfering;
(6) light signal that fibre-optical probe is collected is delivered to spectrometer, spectrometer is linked to each other with outer computer, the spectroscopic data of surveying is handled in computing machine, and by computing machine test result is exported in the mode of figure, form or literal.
Wherein, but the darkroom is preferably the camera bellows that has the folding case lid.
As further specifying of said method, in step (4) and step (5), the equal position of fibre-optical probe and original screen panel is arranged on the slide rail adjustably.Described fibre-optical probe is arranged on both direction in length and breadth and adjusts on the Y-Z slide unit of position, and the Y-Z slide unit is arranged on the slide rail.
Adopt said structure or method, the present invention can arrange multiple test pattern as required, as:
Pattern one: measure the chroma data on 0 °-180 ° and 90 ° of-270 ° of two axles;
Pattern two: measure 0 °-180 °, 90 °-270 °, 45 °-225 °, the 135 ° chroma datas on-315 ° of four faces;
Pattern three: the chroma data on the user-defined arbitrary face.
Advantage of the present invention is: can carry out the chroma data collection to a plurality of light-emitting areas of LED device automatically, and simple in structure, cost is low, testing efficiency is high, versatility is good; The accuracy of detection height can replace manually reducing labour intensity, reduces cost of labor.
Description of drawings
Fig. 1 is LED device distribution of light synoptic diagram.
Fig. 2 is LED device chrominance space distribution schematic diagram among Fig. 1.
Fig. 3 is the overall diagram of LED device chrominance space distribution high speed tester.
Fig. 4 is the structural representation of the main part among Fig. 1.
Fig. 5 is C axle rotating mechanism and the γ axle rotating mechanism structural representation among Fig. 1.
Label declaration among the figure: 1, camera bellows 2, case lid 3, fibre-optical probe 4, anchor clamps 5, C axle rotating mechanism 6, γ axle rotating mechanism 7, original screen panel 8, spectrometer 9, unthreaded hole 10, γ rotating shaft 11, γ shaft step motor 12, γ axle synchronizing wheel 13, the γ axle is with 14 synchronously, C rotating shaft 15, C shaft step motor 16, C axle synchronizing wheel 17, the C axle is with 18 synchronously, slide rail 19, Y-Z slide unit 20, LED device 21, illuminating part 22, slide block 23, connector.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, the present invention and useful technique effect thereof are further elaborated.
Referring to Fig. 1 ~ Fig. 5, as seen from the figure, LED device chrominance space distribution high speed tester comprises camera bellows 1, but camera bellows 1 is provided with the case lid 2 of folding, is provided with original screen panel 7 that the fibre-optical probe 3 of collecting the light that sends with transmission LED device 20, at least one prevent that veiling glare from interfering in the camera bellows 1, places anchor clamps 4, the stationary fixture 4 of LED device 20 to be measured and drives the whirligig that anchor clamps 4 rotate and the spectrometer 8 that is connected with fibre-optical probe 3; Fibre-optical probe 3 is coaxial relative with illuminating part 21 levels of LED device 20 to be measured on being installed in anchor clamps 4; Original screen panel 7 is arranged between fibre-optical probe 3 and the anchor clamps 4, which is provided with the unthreaded hole 9 relative with fibre-optical probe 3 levels.
Wherein: whirligig is for can drive the C axle rotating mechanism 5 that anchor clamps 4 rotate at transverse axis.C axle rotating mechanism 5 is arranged on the γ axle rotating mechanism 6 that can rotate in surface level is made-90 ° ~+90 ° angular ranges.γ axle rotating mechanism 6 comprises vertically disposed γ rotating shaft 10 and γ shaft step motor 11, be arranged on the γ axle synchronizing wheel 12 in the γ rotating shaft 10 and the γ axle that is connected between γ axle synchronizing wheel 12 and the γ shaft step motor 11 is with 13 synchronously.
C axle rotating mechanism 5 is arranged on γ rotating shaft 10 upper ends; C axle rotating mechanism 5 comprises horizontally disposed C rotating shaft 14 and C shaft step motor 15 and is arranged on the C axle synchronizing wheel 16 in the C rotating shaft 14 and is connected C the C axle that changes between synchronizing wheel and the C shaft step motor 15 is with 17 synchronously; C rotating shaft 14 1 ends are relative with fibre-optical probe 3, and its end is provided with the connector 23 with jockey 4; The axial line at the axial line at γ rotating shaft 10 places and C rotating shaft 14 places intersects vertically, and intersection point overlaps with the centre of sphere of the illuminating part 21 of LED device 20 to be measured.
Also be provided with in the camera bellows 1 horizontally disposed slide rail 18 and in length and breadth both direction adjust the Y-Z slide unit 19 of position, Y-Z slide unit 19 bottoms are provided with the slide block 22 that can make linear slide at slide rail 18, fibre-optical probe 3 is arranged on the Y-Z slide unit 19.
As shown in Figure 4, preferably, original screen panel 7 is two, and original screen panel 7 can be arranged on the slide rail 18 slidingly.
A kind of LED device space colourity distribution test method is characterized in that it may further comprise the steps:
(1) but with LED device 20 to be measured, collect and transmit the fibre-optical probe 3 of light signal, all place the camera bellows 1 that has folding case lid 2 for constant-current supply and the related testing appliance of following each step of LED device 20 power supplies to be measured;
(2) LED device 20 to be measured is placed in the removable test fixture 4;
(3) test fixture 4 is installed in the adapter of a two-axle interlocking, wherein, horizontally disposed γ rotating shaft 10, vertically disposed C rotating shaft 14, γ rotating shaft 10 can be rotated in-180 ° ~ 180 ° angular range with LED anchor clamps 4, C rotating shaft 14 can be from rotation in-90 ° ~ 90 ° the angular range, and the axial line at the axial line at γ rotating shaft 10 places and C rotating shaft 14 places intersects vertically, and intersection point overlaps with the centre of sphere of the illuminating part 21 of LED device 20 to be measured;
(4) fibre-optical probe 3 is arranged on 0 ° of axle of level at LED device 20 illuminating parts to be measured 21 centers;
(5) light path between fibre-optical probe 3 and the LED device 20 to be measured is provided with the original screen panel 7 that prevents that veiling glare from interfering;
(6) light signal that fibre-optical probe 3 is collected is delivered to spectrometer 8, spectrometer 8 is linked to each other with outer computer, the spectroscopic data of surveying is handled in computing machine, and by computing machine test result is exported in the mode of figure, form or literal.
In step (4) and step (5), fibre-optical probe 3 and original screen panel 7 equal positions are arranged on the slide rail 18 adjustably.
If the guide rail direction is X-direction, fibre-optical probe 3 is arranged on both direction in length and breadth and adjusts on the Y-Z slide unit 19 of position, and Y-Z slide unit 19 is arranged on the slide rail 18.
Book and specific embodiment do not constitute any restriction to the present invention according to the above description; the embodiment that discloses and describe above the present invention is not limited to; to modifications more of the present invention and distortion, also should fall in the protection domain of claim of the present invention.
Claims (10)
1. LED device chrominance space distribution high speed tester, comprise camera bellows, but camera bellows is provided with the case lid of folding, it is characterized in that: be provided with original screen panel that the fibre-optical probe of collecting the light that sends with transmission LED device, at least one prevent that veiling glare from interfering in the camera bellows, place anchor clamps, the stationary fixture of LED device to be measured and drive the whirligig that anchor clamps rotate and the spectrometer that is connected with fibre-optical probe; Fibre-optical probe is coaxial relative with the illuminating part level of LED device to be measured on being installed in anchor clamps; Original screen panel is arranged between fibre-optical probe and the anchor clamps, which is provided with the unthreaded hole relative with the fibre-optical probe level.
2. LED device chrominance space distribution high speed tester as claimed in claim 1, it is characterized in that: described whirligig is for can drive the C axle rotating mechanism that anchor clamps rotate at transverse axis.
3. LED device chrominance space distribution high speed tester as claimed in claim 2 is characterized in that: described C axle rotating mechanism be arranged on can the γ axle rotating mechanism of rotation in surface level is made-90 ° ~+90 ° angular ranges on.
4. LED device chrominance space distribution high speed tester as claimed in claim 3 is characterized in that: described γ axle rotating mechanism comprise vertically disposed γ rotating shaft and γ shaft step motor, be arranged on the γ axle synchronizing wheel in the γ rotating shaft and be connected γ axle synchronizing wheel and the γ shaft step motor between the γ axle be with synchronously.
5. LED device chrominance space distribution high speed tester as claimed in claim 4 is characterized in that: described C axle rotating mechanism is arranged on γ rotating shaft upper end; C axle rotating mechanism comprises horizontally disposed C rotating shaft and C shaft step motor and is arranged on the C axle synchronizing wheel in the C rotating shaft and is connected C the C axle that changes between synchronizing wheel and the C shaft step motor to be with synchronously; C rotating shaft one end is relative with fibre-optical probe, and its end is provided with the connector with jockey; The axial line at the axial line at γ rotating shaft place and C rotating shaft place intersects vertically, and intersection point overlaps with the centre of sphere of the illuminating part of LED device to be measured.
6. LED device chrominance space distribution high speed tester as claimed in claim 5, it is characterized in that: also be provided with in the described camera bellows horizontally disposed slide rail and in length and breadth both direction adjust the Y-Z slide unit of position, Y-Z slide unit bottom is provided with the slide block that can make linear slide at slide rail, and fibre-optical probe is arranged on the Y-Z slide unit.
7. LED device chrominance space distribution high speed tester as claimed in claim 6, it is characterized in that: described original screen panel is two, and original screen panel can be arranged on the slide rail slidingly.
8. LED device space colourity distribution test method is characterized in that it may further comprise the steps:
(1) fibre-optical probe of LED device to be measured, collection and transmission light signal, constant-current supply and the related testing appliance of following each step of powering for LED device to be measured are all placed the darkroom;
(2) LED device to be measured is placed in the removable test fixture;
(3) test fixture is installed in the adapter of a two-axle interlocking, wherein, horizontally disposed γ rotating shaft, vertically disposed C rotating shaft, the γ rotating shaft can be rotated in-180 ° ~ 180 ° angular range with the LED anchor clamps, the C rotating shaft can be from rotation in-90 ° ~ 90 ° the angular range, and the axial line at the axial line at γ rotating shaft place and C rotating shaft place intersects vertically, and intersection point overlaps with the centre of sphere of the illuminating part of LED device to be measured;
(4) fibre-optical probe is arranged on 0 ° of axle of level at LED device illuminating part to be measured center;
(5) light path between fibre-optical probe and the LED device to be measured is provided with the original screen panel that prevents that veiling glare from interfering;
(6) light signal that fibre-optical probe is collected is delivered to spectrometer, and spectrometer is linked to each other with outer computer, the spectroscopic data of surveying is handled in computing machine, and by computing machine test result is exported in the mode of figure, form or literal.
9. LED device space colourity distribution test method as claimed in claim 8, it is characterized in that: in step (4) and step (5), the equal position of fibre-optical probe and original screen panel is arranged on the slide rail adjustably.
10. LED device space colourity distribution test method as claimed in claim 9 is characterized in that: described fibre-optical probe is arranged in length and breadth both direction and adjusts on the Y-Z slide unit of position, and the Y-Z slide unit is arranged on the slide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2013102406956A CN103335820A (en) | 2013-06-17 | 2013-06-17 | LED device chroma spatial distribution quick tester and test method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013102406956A CN103335820A (en) | 2013-06-17 | 2013-06-17 | LED device chroma spatial distribution quick tester and test method |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604584A (en) * | 2013-12-03 | 2014-02-26 | 吕大明 | LED illumination light source comprehensive measurement instrument |
| CN103674494A (en) * | 2013-12-12 | 2014-03-26 | 江苏德厚机电有限公司 | LED light performance test bedstand |
| CN104511437A (en) * | 2014-12-17 | 2015-04-15 | 广东威创视讯科技股份有限公司 | LED device beam split method and system |
| CN104568385A (en) * | 2014-11-28 | 2015-04-29 | 佛山市多谱光电科技有限公司 | Light-color space distribution testing method and equipment for COB (chip on board) optical assembly |
| CN105013720A (en) * | 2015-07-07 | 2015-11-04 | 长治市华杰光电科技有限公司 | LED light separator structure |
| CN106053020A (en) * | 2016-06-07 | 2016-10-26 | 北京安达维尔民用航空技术有限公司 | Optical detection device |
| CN108663549A (en) * | 2018-05-28 | 2018-10-16 | 深圳瑞波光电子有限公司 | A kind of positioning device and test system |
| CN113865484A (en) * | 2021-09-15 | 2021-12-31 | 上海呈答智能科技有限公司 | Atmosphere lamp calibration detection device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2893683Y (en) * | 2006-04-19 | 2007-04-25 | 杭州远方光电信息有限公司 | Tube type distributing photometer |
| CN201138244Y (en) * | 2007-10-10 | 2008-10-22 | 杭州远方光电信息有限公司 | Rotary workbench of distribution photometer |
| CN102213615A (en) * | 2011-04-01 | 2011-10-12 | 中国兵器工业第二〇五研究所 | LED optical parameter comprehensive testing device |
| WO2012044123A2 (en) * | 2010-10-01 | 2012-04-05 | 소닉스자펜 주식회사 | Apparatus for testing the performance of led lighting |
| CN102944379A (en) * | 2012-11-21 | 2013-02-27 | 陈伟 | Safety test device for adjustable portion of lamp |
| CN202928784U (en) * | 2012-11-28 | 2013-05-08 | 中国计量学院 | LED display screen photochromic parameter measurement experiment apparatus |
| CN203337363U (en) * | 2013-06-17 | 2013-12-11 | 佛山市多谱光电科技有限公司 | LED device chromaticity spatial distribution quick testing instrument |
-
2013
- 2013-06-17 CN CN2013102406956A patent/CN103335820A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2893683Y (en) * | 2006-04-19 | 2007-04-25 | 杭州远方光电信息有限公司 | Tube type distributing photometer |
| CN201138244Y (en) * | 2007-10-10 | 2008-10-22 | 杭州远方光电信息有限公司 | Rotary workbench of distribution photometer |
| WO2012044123A2 (en) * | 2010-10-01 | 2012-04-05 | 소닉스자펜 주식회사 | Apparatus for testing the performance of led lighting |
| CN102213615A (en) * | 2011-04-01 | 2011-10-12 | 中国兵器工业第二〇五研究所 | LED optical parameter comprehensive testing device |
| CN102944379A (en) * | 2012-11-21 | 2013-02-27 | 陈伟 | Safety test device for adjustable portion of lamp |
| CN202928784U (en) * | 2012-11-28 | 2013-05-08 | 中国计量学院 | LED display screen photochromic parameter measurement experiment apparatus |
| CN203337363U (en) * | 2013-06-17 | 2013-12-11 | 佛山市多谱光电科技有限公司 | LED device chromaticity spatial distribution quick testing instrument |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103604584A (en) * | 2013-12-03 | 2014-02-26 | 吕大明 | LED illumination light source comprehensive measurement instrument |
| CN103674494A (en) * | 2013-12-12 | 2014-03-26 | 江苏德厚机电有限公司 | LED light performance test bedstand |
| CN104568385A (en) * | 2014-11-28 | 2015-04-29 | 佛山市多谱光电科技有限公司 | Light-color space distribution testing method and equipment for COB (chip on board) optical assembly |
| CN104511437A (en) * | 2014-12-17 | 2015-04-15 | 广东威创视讯科技股份有限公司 | LED device beam split method and system |
| CN105013720A (en) * | 2015-07-07 | 2015-11-04 | 长治市华杰光电科技有限公司 | LED light separator structure |
| CN106053020A (en) * | 2016-06-07 | 2016-10-26 | 北京安达维尔民用航空技术有限公司 | Optical detection device |
| CN108663549A (en) * | 2018-05-28 | 2018-10-16 | 深圳瑞波光电子有限公司 | A kind of positioning device and test system |
| CN108663549B (en) * | 2018-05-28 | 2024-03-26 | 深圳瑞波光电子有限公司 | Positioning device and testing system |
| CN113865484A (en) * | 2021-09-15 | 2021-12-31 | 上海呈答智能科技有限公司 | Atmosphere lamp calibration detection device |
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Application publication date: 20131002 |