CN202547904U - Device for detecting light distribution of automobile LED headlamp - Google Patents
Device for detecting light distribution of automobile LED headlamp Download PDFInfo
- Publication number
- CN202547904U CN202547904U CN201220109149XU CN201220109149U CN202547904U CN 202547904 U CN202547904 U CN 202547904U CN 201220109149X U CN201220109149X U CN 201220109149XU CN 201220109149 U CN201220109149 U CN 201220109149U CN 202547904 U CN202547904 U CN 202547904U
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- headlamp
- light
- ultraviolet
- light distribution
- worktable
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- Investigating Or Analysing Materials By Optical Means (AREA)
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Abstract
The utility model relates to a detection device for an automobile lamp with an LED light source, particularly a device for detecting the light distribution of an automobile LED headlamp, which comprises a darkroom and a headlamp light distribution system arranged in the darkroom. An ultraviolet-visible spectrophotometer for receiving the output signal of the headlamp light distribution system is also arranged in the darkroom. The ultraviolet-visible spectrophotometer converts an optical signal into an electrical signal and then transmits the converted electrical signal to a computer. The headlamp light distribution system can be controlled by the computer. Due to the adoption of the above structure, the headlamp light distribution system and the ultraviolet-visible spectrophotometer are combined together and the measurement of the ratio of red light to ultraviolet light is performed based on the processing and the calculation of the computer. Thus, an existing automobile headlamp light distribution system can realize the detection of an LED headlamp and the application range of the existing automobile headlamp light distribution system is further widened. Meanwhile, the device is adapted to the needs of the technology development and has the advantages of good usage effect, simple structure, convenient measurement and good promotion and application prospect.
Description
Technical field
The utility model relates to a kind of pick-up unit to the led light source automobile lamp, specifically a kind of automobile LED headlamp luminous intensity distribution pick-up unit.
Background technology
Along with LED being widely used of lighting field, it also is inevitable choice that the LED car headlamp substitutes the orthodox car headlamp.The photometric standards of tradition headlamp is GB4599-2007 " a lamps for vehicle silk bulb headlamp ", and at present, headlamp luminous intensity distribution checkout equipment both domestic and external is all by this standard design.The photometric standards of vapour automobile-used LED headlamp is GB25991-2010 " a vapour automobile-used LED headlamp "; Compare with the photometric standards GB 4599-2007 of traditional headlamp; The photometric standards GB25991-2010 of vapour automobile-used LED headlamp requires measurement HV point or 50V point place ruddiness to account for the ratio of total light flux; It is the ruddiness ratio; Require to measure the ratio of ultraviolet light and luminous flux, i.e. ultraviolet light ratio, this is that existing luminous intensity distribution equipment can not be accomplished.Therefore, necessary design ruddiness ratio and ultraviolet light compare measurement mechanism.
Summary of the invention
The technical matters that the utility model will solve is the ruddiness ratio that all can not reflect HV or 50V place to present existing headlamp luminous intensity distribution checkout equipment; The situation that can not reflect the ultraviolet light ratio provides a kind of automobile LED headlamp luminous intensity distribution pick-up unit that can measure ruddiness ratio and ultraviolet light ratio.
In order to solve the problems of the technologies described above; The vapour automobile-used LED headlamp luminous intensity distribution pick-up unit of the utility model; Comprise the headlamp light distributing system that is provided with in a darkroom and the darkroom; Also be provided with the ultraviolet-visible spectrometer that can receive headlamp light distributing system output signal in the darkroom, the ultraviolet-visible photothermal spectroscopic analyzer can convert light signal into electric signal and also be transferred to the electric signal after the conversion in the computing machine.
Said headlamp light distributing system comprise can about, move on the six direction of all around and level and vertical both direction on the worktable that rotates, also comprise a cone relative with worktable; Said worktable is used for settling tested LED headlamp; The rear and front end of said cone respectively is provided with a light well and a light hole; The worktable signal enters in the cone through light well, and the luminosity probe of ultraviolet-visible photothermal spectroscopic analyzer is placed in the light hole place of cone and can gathers the signal of light hole output.
Mobile and the rotation of said worktable is also by computer control.
After adopting above-mentioned structure, through the headlamp light distributing system combine with ultraviolet-visible spectrometer and through Computer Processing calculate to accomplish ruddiness than and the measurement of ultraviolet light ratio, make used car headlamp luminous intensity distribution test macro can accomplish the detection of LED headlight; Further enlarged the usable range of system; Result of use is good, has adapted to the needs of technical development, simultaneously because the utility model is simple in structure; Therefore convenient measurement makes it have good popularization and application prospect.
Description of drawings
Fig. 1 is the utility model vapour automobile-used LED headlamp luminous intensity distribution pick-up unit structural representation.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model vapour automobile-used LED headlamp luminous intensity distribution pick-up unit is done further explain.
As shown in the figure; The automobile LED headlamp luminous intensity distribution pick-up unit of the utility model; Form by headlamp light distributing system, ultraviolet-visible spectrometer and computing machine; This device comprises the headlamp light distributing system 2 that is provided with in a darkroom 1 and the darkroom, also is provided with the ultraviolet-visible spectrometer 4 of the light signal that can receive 2 outputs of headlamp light distributing system in the darkroom 1; The headlamp light distributing system comprise can about, move on the six direction of all around and level and vertical both direction on the worktable 6, cone 3, support and the illuminometer relative that rotate with worktable 6; Worktable 6 is used for settling tested LED headlamp; Cone 3 is placed on the support, and the rear and front end of cone 3 respectively is provided with a light well and a light hole, about 2 centimetres of light well diameters; Over against worktable 6, the signal of worktable 6 enters in the cone 3 through light well; The luminosity probe of ultraviolet-visible photothermal spectroscopic analyzer 4 is placed in the light hole place of cone 3; The size of light hole is consistent with the probe of illuminometer; Also consistent with the probe of spectrometer; The luminosity probe of ultraviolet-visible photothermal spectroscopic analyzer 4 can be gathered the light signal of light hole output and convert the light signal of exporting into electric signal, and the electric signal after will changing then is transferred in the computing machine 5, and ultraviolet-visible photothermal spectroscopic analyzer 4 links to each other with robot calculator through data line; Data line one port is consistent with the output port type of ultraviolet-visible photothermal spectroscopic analyzer; The another port is the USB type, and computing machine 5 can be controlled headlamp light distributing system 2, and worktable 6 moves and rotate also by computing machine 5 controls simultaneously.
In the utility model; The power spectrum density of ultraviolet-visible spectrometer measuring light; Can also can select the rapid spectrometer of detector array as photoelectric commutator for the mechanical scanning type spectrometer of selecting to be made up of monochromator and photodetector, the test wavelength coverage should comprise 250～780nm; Support, cone surface are black, and support is high 1.25 meters, and cone is used to block parasitic light, 15～20 centimetres of diameters, and long 30～50 centimetres, the probe of ultraviolet-visible spectrometer is from 25 meters of worktable.
When measuring:
Vapour automobile-used LED headlamp is placed on the worktable, the moving by computer control of worktable; After computing machine provided instruction, worktable rotated; When the HV of vapour automobile-used LED headlamp luminous intensity distribution hot spot or 50V position are in ultraviolet-visible light spectrometer probe place; Start ultraviolet-visible light spectrometer measurement spectrum; Scope is not less than 250nm-780nm, then, by data line spectroscopic data is passed to robot calculator; Calculate the ruddiness ratio by robot calculator, computing formula is following:
E in the formula (x) is a spectrum, and V (x) is the photopic vision luminosity function, and its value is calculated the ruddiness ratio and provided the result by CIE 1931 regulations, in addition, if >=0.05, provide " qualified " conclusion, otherwise, defective.
Robot calculator calculates the ultraviolet light ratio, and formula is following:
By the GB25991-2010 regulation, all the other are the same in the formula.
Calculate and provide the result, in addition, if robot calculator provides " defective " conclusion, if provide qualified conclusion.
The Computer Processing working routine of the utility model is following:
Start → startup computer program → adjustment revolving table position → obtain spectroscopic data → COMPUTER CALCULATION ruddiness than and ultraviolet light compare → provide result of calculation and conclusion.
Claims (3)
1. automobile LED headlamp luminous intensity distribution pick-up unit; Comprise the headlamp light distributing system (2) that is provided with in a darkroom (1) and the darkroom; It is characterized in that: also be provided with the ultraviolet-visible spectrometer (4) that can receive headlamp light distributing system (2) output signal in said darkroom (1), ultraviolet-visible photothermal spectroscopic analyzer (4) can convert light signal into electric signal and also be transferred to the electric signal after the conversion in the computing machine (5).
2. according to the described automobile LED headlamp of claim 1 luminous intensity distribution pick-up unit; It is characterized in that: said headlamp light distributing system (2) comprise can about, move on the six direction of all around and level and vertical both direction on the worktable (6) that rotates, also comprise a cone (3) relative with worktable (2); Said worktable (6) is used for settling tested LED headlamp; The rear and front end of said cone (3) respectively is provided with a light well and a light hole; The worktable signal enters in the cone (3) through light well, and the luminosity probe of ultraviolet-visible photothermal spectroscopic analyzer (4) is placed in the light hole place of cone (3) and can gathers the signal of light hole output.
3. according to the described automobile LED headlamp of claim 2 luminous intensity distribution pick-up unit, it is characterized in that: the mobile and rotation of said worktable (6) is controlled by computing machine (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220109149XU CN202547904U (en) | 2012-03-22 | 2012-03-22 | Device for detecting light distribution of automobile LED headlamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220109149XU CN202547904U (en) | 2012-03-22 | 2012-03-22 | Device for detecting light distribution of automobile LED headlamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202547904U true CN202547904U (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220109149XU Expired - Fee Related CN202547904U (en) | 2012-03-22 | 2012-03-22 | Device for detecting light distribution of automobile LED headlamp |
Country Status (1)
| Country | Link |
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| CN (1) | CN202547904U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234737A (en) * | 2013-04-26 | 2013-08-07 | 上海理工大学 | Detection system of light distribution characteristic of ellipsoid unit and method thereof |
| CN103674494A (en) * | 2013-12-12 | 2014-03-26 | 江苏德厚机电有限公司 | LED light performance test bedstand |
| CN104296973A (en) * | 2014-09-12 | 2015-01-21 | 昆山博文照明科技有限公司 | Light distribution detecting device for automotive LED headlamp |
| CN106441811A (en) * | 2016-06-21 | 2017-02-22 | 烟台昕诺吉太阳能技术有限公司 | Device and method for detecting optical transmission efficiency |
| CN108871738A (en) * | 2018-06-27 | 2018-11-23 | 昆山睿力得软件技术有限公司 | A kind of Vehicular lamp illumination device for fast detecting |
-
2012
- 2012-03-22 CN CN201220109149XU patent/CN202547904U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103234737A (en) * | 2013-04-26 | 2013-08-07 | 上海理工大学 | Detection system of light distribution characteristic of ellipsoid unit and method thereof |
| CN103234737B (en) * | 2013-04-26 | 2015-06-17 | 上海理工大学 | Detection system of light distribution characteristic of ellipsoid unit and method thereof |
| CN103674494A (en) * | 2013-12-12 | 2014-03-26 | 江苏德厚机电有限公司 | LED light performance test bedstand |
| CN104296973A (en) * | 2014-09-12 | 2015-01-21 | 昆山博文照明科技有限公司 | Light distribution detecting device for automotive LED headlamp |
| CN106441811A (en) * | 2016-06-21 | 2017-02-22 | 烟台昕诺吉太阳能技术有限公司 | Device and method for detecting optical transmission efficiency |
| CN106441811B (en) * | 2016-06-21 | 2024-03-22 | 烟台昕诺吉太阳能技术有限公司 | Device and method for detecting light transmission efficiency |
| CN108871738A (en) * | 2018-06-27 | 2018-11-23 | 昆山睿力得软件技术有限公司 | A kind of Vehicular lamp illumination device for fast detecting |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20130322 |