CN102162767A - Spaceborne calibration light source LED (light emitting diode) light emitting performance testing device - Google Patents
Spaceborne calibration light source LED (light emitting diode) light emitting performance testing device Download PDFInfo
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- CN102162767A CN102162767A CN 201010613588 CN201010613588A CN102162767A CN 102162767 A CN102162767 A CN 102162767A CN 201010613588 CN201010613588 CN 201010613588 CN 201010613588 A CN201010613588 A CN 201010613588A CN 102162767 A CN102162767 A CN 102162767A
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Abstract
The invention discloses an spaceborne calibration light source LED (light emitting diode) light emitting performance testing device, relates to the field of space optics, and solves the problem that the traditional spaceborne calibration light source LED light emitting performance testing device only can detect the optical performance of a single LED. The testing device comprises an LED driving circuit, a mounting bracket, a rotary disc, a rotary disc driving system, a fixed support, a spectrograph, an optical fiber, an integration sphere and a computer control system; the LED driving circuit and the rotary disc are fixed on the mounting bracket; the rotary disc is provided with an LED testing and mounting hole; the integration sphere is arranged at the corresponding position of the LED testing and mounting hole; a light emergent hole of the integration sphere is connected with one end of the optical fiber, and the other end of the optical fiber is connected with the spectrograph; the rotary disc driving system is arranged at the bottom of the rotary disc and fixed to the fixed support; and the computer control system is respectively connected with the rotary disc driving system and the spectrograph. The testing device provided by the invention is applied to the spaceborne calibration light source LED screening and testing of a space camera.
Description
Technical field
The present invention relates to the space optics field, be specifically related to the optical property proving installation of scaling light source LED on a kind of space camera star.
Background technology
In the scaling light source LED upgrading filler test, the luminescent properties of LED is the important indicator of screening LED, has only through the qualified LED of strict filler test just can be used as scaling light source on the space camera star on the space camera star.The LED shaker test comprises: tests such as high temperature storage, temperature shock, electricity are seasoned, all will carry out luminescent properties to LED after each test detects, the main emission spectrum that detects LED, can calculate the peak wavelength of LED by emission spectrum, half band-width etc. are if parameters such as the radiation intensity of LED or radiation power can be calculated through calibration by system.At present existing single led optical property checkout equipment, but because the quantity bigger (500) of each screening LED, the pick-up unit that does not have at present relevant fast intelligent, in addition in the upgrading shaker test, electricity is seasoned to be one of them important step, when electricity is seasoned, all LED will be under its maximum operating currenbt continuous working 240h, and need to monitor the luminescent properties variation tendency of LED, before this this equipment not.
Summary of the invention
The present invention can only realize problem that single led optical property is detected providing scaling light source LED luminescent properties proving installation on a kind of star for solving scaling light source LED luminescent properties pick-up unit on the existing star.
Scaling light source LED luminescent properties proving installation on the star, this device comprises led drive circuit, mounting bracket, rotating circular disk, rotating circular disk drive system, fixed support, spectrometer, optical fiber, integrating sphere, computer control system; Described led drive circuit and rotating circular disk are separately fixed on the mounting bracket, LED test mounting hole is set on the rotating circular disk, the correspondence position of LED test mounting hole is provided with integrating sphere, and the light hole of integrating sphere is connected with an end of optical fiber, and the other end of optical fiber is connected with spectrometer; Described rotating circular disk bottom is provided with the rotating circular disk drive system, and the two is fixed together, and the rotating circular disk drive system is fixed on the fixed support; Described computer control system is connected with spectrometer with the rotating circular disk drive system respectively.
Principle of work of the present invention: tested LED is installed on the rotating circular disk that the diameter described in the device of the present invention is 0.5m, the distance of described every LED is spent on the circumference at the edge that is installed in rotating circular disk at interval uniformly by 5, the installation testing integrating sphere receives the light that LED sends below disk, at the integrating sphere wall spectrometer is installed, is used for measuring in real time the emission spectrum of LED.Control rotating circular disk simultaneously and be rotated in each LED position time-out, after waiting to finish the test of this LED, forward next LED position to and test, after so the test of all LED was finished in circulation, the position of getting back to the 1st LED began the test of next round.Integrating sphere that described reception LED is luminous and spectrometer are through can directly measuring the luminescent properties parameters such as peak wavelength, half band-width, radiation intensity or radiation power of LED after calibrating.In order to be fit to the test of more LED, every LED constant current is powered, and supply current comprises 5mA, 10mA, 15mA, 20mA, 25mA, 30mA, 35mA, 40mA, 45mA, 50mA, 60mA, 85mA, 100mA.Device of the present invention can be tested
Bullet cut LED and paster LED.
Beneficial effect of the present invention: the present invention is a kind of pick-up unit that can carry out fast intelligent simultaneously to the LED of many LED and multiple model; Device of the present invention can be finished the luminescent properties supervision in test of the luminescent properties in the scaling light source LED shaker test on the star and the seasoned process of LED electricity fast, and when the seasoned test of electricity, can monitor all LED its luminescent properties variation tendency in the seasoned process of electricity.
Description of drawings
Fig. 1 is the structural representation of scaling light source LED luminescent properties proving installation on the star of the present invention;
Fig. 2 is the vertical view that three kinds of test mounting holes are installed on the rotating circular disk in the scaling light source LED luminescent properties proving installation on the star of the present invention.
Among the figure: 1, led drive circuit, 2, mounting bracket, the 3, the one LED tests mounting hole, and the 4, the 2nd LED tests mounting hole, 5, the 3rd LED test mounting hole, 6, rotating circular disk, 7, the disk rotary drive system, 8, fixed support, 9, spectrometer, 10, optical fiber, 11, integrating sphere, 12, computer control system.
Embodiment
Embodiment one, present embodiment is described in conjunction with Fig. 1 and Fig. 2, scaling light source LED luminescent properties proving installation on the star, this device comprises led drive circuit 1, mounting bracket 2, rotating circular disk 6, rotating circular disk drive system 7, fixed support 8, spectrometer 9, optical fiber 10, integrating sphere 11, computer control system 12; Described led drive circuit 1 and rotating circular disk 6 are separately fixed on the mounting bracket 2, LED test mounting hole is set on the rotating circular disk 6, the correspondence position of LED test mounting hole is provided with integrating sphere 11, and the light hole of integrating sphere 11 is connected with an end of optical fiber 10, and the other end of optical fiber 10 is connected with spectrometer 9; Described rotating circular disk 6 bottoms are rotating circular disk drive system 7 fixedly, and rotating circular disk drive system 7 is fixed on the fixed support 8; Described computer control system 12 is connected with spectrometer 9 with rotating circular disk drive system 7 respectively.
Also comprise support 13 in the present embodiment, described spectrometer 9 and integrating sphere 11 are fixed on the support 13, and described spectrometer 9 is parallel with the position of rotating circular disk drive system 7 on being fixed on fixed support 8.
The distance of the incidence hole of the described integrating sphere 11 of present embodiment and LED test mounting hole is less than 1mm.The bore dia of the incidence hole of described integrating sphere 11 makes integrating sphere 11 can all receive the light that LED sends greater than the mounting hole diameter of LED.
Three kinds of LED test mounting holes are set on the described rotating circular disk 6 of present embodiment, are respectively; The one LED test mounting hole 3, the 2nd LED test mounting hole 4 and the 3rd LED test mounting hole 5; Identical and the described centre distance of the centre distance of described LED test mounting hole 3 and the 2nd LED test mounting hole 4, the 2nd LED test mounting hole 4 and the 3rd LED test mounting hole 5 is 20mm.Described LED test mounting hole 3 and the 2nd LED test mounting hole 4 are respectively: the bullet cut aperture diameter is
With bullet cut footpath bore dia be
The test mounting hole, the 3rd LED test mounting hole 5 is paster LED test mounting hole, integrating sphere 11 must be moved to the below of corresponding test mounting hole when test.
The test cell that the described spectrometer 9 of present embodiment, optical fiber 10 and integrating sphere 11 are formed process radiation calibration before test.
Embodiment two, present embodiment are the application example of scaling light source LED luminescent properties proving installation on the embodiment one described star:
In conjunction with Fig. 1, described led drive circuit 1 is a LED constant-current driving plate, and its drive current is respectively 5mA, 10mA, 15mA, 20mA, 25mA, 30mA, 35mA, 40mA, 45mA, 50mA, 60mA, 85mA, 100mA; According to the LED needs needed electric current is set, every independent constant current power supply of LED.In conjunction with Fig. 2, described LED test mounting hole 3, the 2nd LED test mounting hole 4 and the 3rd LED test mounting hole 5 can be installed respectively
The test mounting hole of bullet cut LED and paster LED is used to test difform LED.Rotating circular disk 6 is the rotatable circular disc of a diameter 0.5m, and the LED that needs are tested is installed in the corresponding test mounting hole, and each measurement can only be installed corresponding LED in same circle mounting hole.The LED quantity of described each measurement can reach 72.Be test integrating sphere 11 under the mounting hole of LED, be used to receive the light that LED sends.The incidence hole of integrating sphere 11 is slightly larger than the mounting hole of LED, can all receive the light that LED sends.The light hole of integrating sphere 11 is connected with optical fiber 10, and the other end of optical fiber 10 is linked to spectrometer 9.To test the test cell process radiation calibration that integrating sphere 11 and optical fiber 10 and spectrometer 9 are formed before using, when test, can directly record peak wavelength, half band-width, radiation power or the radiation light intensity etc. of LED.
After described LED is installed on the rotating circular disk 6, the supply current that LED needs is set, electric current is on demand given every independent constant current power supply of LED simultaneously.Computer control system 11 by the angle rotation, makes every LED to integrating sphere 11 light inlet positions by rotating circular disk drive system 7 control rotating circular disks, the characteristics of luminescence test data that computer control system 11 control spectrometers 9 are gathered every LED.The control data acquisition process of whole device all is to finish automatically under the control of computing machine with storage.Rotating circular disk and the led drive circuit of described installation LED have a whole set of backup, replaceable next test panel after the test of finishing this dish, thereby can once finish the test of organizing LED more.When the seasoned test of LED electricity, need LED under maximum current, to work long hours, this device is by the test data of every LED of collection of intelligent control constant duration, and then the luminescent properties variation tendency of supervision LED in the seasoned process of electricity.
Claims (8)
1. scaling light source LED luminescent properties proving installation on the star, this device comprises led drive circuit (1), mounting bracket (2), rotating circular disk (6), rotating circular disk drive system (7), fixed support (8), spectrometer (9), optical fiber (10), integrating sphere (11), computer control system (12); It is characterized in that, described led drive circuit (1) and rotating circular disk (6) are separately fixed on the mounting bracket (2), LED test mounting hole is set on the rotating circular disk (6), the correspondence position of LED test mounting hole is provided with integrating sphere (11), the light hole of integrating sphere (11) is connected with an end of optical fiber (10), and the other end of optical fiber (10) is connected with spectrometer (9); Described rotating circular disk (6) bottom is rotating circular disk drive system (7) fixedly, and rotating circular disk drive system (7) is fixed on the fixed support (8); Described computer control system (12) is connected with spectrometer (9) with rotating circular disk drive system (7) respectively.
2. scaling light source LED luminescent properties proving installation is characterized in that on the star according to claim 1, and it also comprises support (13), and described spectrometer (9) and integrating sphere (11) are fixed on the support (13).
3. scaling light source LED luminescent properties proving installation is characterized in that on the star according to claim 1, and the distance of the incidence hole of described integrating sphere (11) and LED test mounting hole is less than 1mm.
4. scaling light source LED luminescent properties proving installation is characterized in that on the star according to claim 1, and the bore dia of the incidence hole of described integrating sphere (11) is greater than LED test mounting hole diameter.
5. scaling light source LED luminescent properties proving installation is characterized in that on the star according to claim 1, and three LED test mounting holes are set on the described rotating circular disk (6), is respectively; The one LED test mounting hole (3), the 2nd LED test mounting hole (4) and the 3rd LED test mounting hole (5), described LED test mounting hole (3) is identical with the centre distance of the 2nd LED test mounting hole (4), and the 2nd LED test mounting hole (4) is identical with the centre distance of the 3rd LED test mounting hole (5).
6. scaling light source LED luminescent properties proving installation on the star according to claim 5, it is characterized in that the centre distance of the centre distance of described LED test mounting hole (3) and the 2nd LED test mounting hole (4), the 2nd LED test mounting hole (4) and the 3rd LED test mounting hole (5) is 20mm.
7. scaling light source LED luminescent properties proving installation is characterized in that on the star according to claim 6, and described LED test mounting hole (3) and the 2nd LED test mounting hole (4) are respectively: the bullet cut aperture diameter is
With the bullet cut aperture diameter be
The test mounting hole, the 3rd LED test mounting hole (5) is tested mounting hole for paster LED.
8. scaling light source LED luminescent properties proving installation is characterized in that on the star according to claim 1, and the test cell that described spectrometer (9), optical fiber (10) and integrating sphere (11) are formed is the process radiation calibration before test.
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| CN 201010613588 CN102162767A (en) | 2010-12-30 | 2010-12-30 | Spaceborne calibration light source LED (light emitting diode) light emitting performance testing device |
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| CN 201010613588 CN102162767A (en) | 2010-12-30 | 2010-12-30 | Spaceborne calibration light source LED (light emitting diode) light emitting performance testing device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620918A (en) * | 2012-04-16 | 2012-08-01 | 上海交通大学 | Performance measuring device of surface light source lamp |
| CN102798516A (en) * | 2012-09-05 | 2012-11-28 | 广东威创视讯科技股份有限公司 | Equipment for measuring parameters of optical device |
| CN102967447A (en) * | 2012-11-20 | 2013-03-13 | 深圳清华大学研究院 | LED (Light Emitting Diode) performance test box, calibrating method and performance test method |
| CN102967448A (en) * | 2012-11-20 | 2013-03-13 | 深圳清华大学研究院 | LED (Light Emitting Diode) performance test box, calibrating method and performance test method |
| CN103278455A (en) * | 2013-05-16 | 2013-09-04 | 宁波大学 | Measurement device and measurement method of optical parameters of dielectric film |
| CN103487610A (en) * | 2013-09-22 | 2014-01-01 | 中国科学院半导体研究所 | Clamp and clamp assembly for testing device photoelectric properties |
| CN108716984A (en) * | 2018-06-29 | 2018-10-30 | 合肥美亚光电技术股份有限公司 | Light source board test device |
| CN108872883A (en) * | 2018-04-28 | 2018-11-23 | 杭州远方光电信息股份有限公司 | A kind of light source Auto-Test System |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102620918A (en) * | 2012-04-16 | 2012-08-01 | 上海交通大学 | Performance measuring device of surface light source lamp |
| CN102798516A (en) * | 2012-09-05 | 2012-11-28 | 广东威创视讯科技股份有限公司 | Equipment for measuring parameters of optical device |
| CN102798516B (en) * | 2012-09-05 | 2015-06-03 | 广东威创视讯科技股份有限公司 | Equipment for measuring parameters of optical device |
| CN102967448A (en) * | 2012-11-20 | 2013-03-13 | 深圳清华大学研究院 | LED (Light Emitting Diode) performance test box, calibrating method and performance test method |
| CN102967447A (en) * | 2012-11-20 | 2013-03-13 | 深圳清华大学研究院 | LED (Light Emitting Diode) performance test box, calibrating method and performance test method |
| CN102967447B (en) * | 2012-11-20 | 2015-09-23 | 深圳清华大学研究院 | A kind of LED performance test case, scaling method and performance test methods |
| CN102967448B (en) * | 2012-11-20 | 2015-11-18 | 深圳清华大学研究院 | A kind of LED performance test case, scaling method and performance test methods |
| CN103278455A (en) * | 2013-05-16 | 2013-09-04 | 宁波大学 | Measurement device and measurement method of optical parameters of dielectric film |
| CN103278455B (en) * | 2013-05-16 | 2015-10-28 | 宁波大学 | A kind of measurement mechanism of dielectric film optical parametric and measuring method |
| CN103487610A (en) * | 2013-09-22 | 2014-01-01 | 中国科学院半导体研究所 | Clamp and clamp assembly for testing device photoelectric properties |
| CN108872883A (en) * | 2018-04-28 | 2018-11-23 | 杭州远方光电信息股份有限公司 | A kind of light source Auto-Test System |
| CN108872883B (en) * | 2018-04-28 | 2024-01-26 | 杭州远方光电信息股份有限公司 | Automatic testing system for light source |
| CN108716984A (en) * | 2018-06-29 | 2018-10-30 | 合肥美亚光电技术股份有限公司 | Light source board test device |
| CN108716984B (en) * | 2018-06-29 | 2024-04-05 | 合肥美亚光电技术股份有限公司 | Light source board testing device |
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Application publication date: 20110824 |