CN103674249A - Fluorescent powder spectrum tester - Google Patents
Fluorescent powder spectrum tester Download PDFInfo
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- CN103674249A CN103674249A CN201310615683.7A CN201310615683A CN103674249A CN 103674249 A CN103674249 A CN 103674249A CN 201310615683 A CN201310615683 A CN 201310615683A CN 103674249 A CN103674249 A CN 103674249A
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- integrating sphere
- light source
- led light
- fluorescent powder
- spectrometer
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- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
The invention discloses a fluorescent powder spectrum tester comprising a computer, a spectrometer and an integrating sphere (9). The fluorescent powder spectrum tester is characterized in that an LED light source (1) is arranged at the upper end of the integrating sphere (9), a TEC temperature controller is arranged at the upper end of the LED light source (1), a constant-current power line is connected with the LED light source (1) through a conductor wire (2) directly, the LED light source (1) is connected with the integrating sphere (9) through a light emitting barrel (3), a fixing device (5) is arranged at the lower end of the integrating sphere (9), fluorescent powder (7) is mounted in the fixing device (5), and a cosine collector (4) is arranged on the left side of the left wall of the integrating wall (9), and is connected with the spectrometer and the computer sequentially through an optical fiber (8). According to the full-close characteristic of the integrating sphere, wastes of light energy and influences of non-uniformity of light to test results are avoided, and light acquisition capacity of the spectrometer can be improved greatly.
Description
Technical field
The present invention relates to LED technical field, be specifically related to a kind of fluorescent powder spectral investigator.
Background technology
In recent years, the sharply variation of weather has become the Tough questions that entire society faces, therefore, world's every field is all to environmental protection and energy-conservation proposition and without the advantage of mercury constant pitch energy environmental protection, so be expected to replace conventional incandescent and fluorescent light becomes Energy--Saving Illuminating Source of new generation.At present, fluorescent powder proving installation, system are varied, but method of testing is all perfect not to the utmost.A lot of research groups utilize diverse ways to test the luminescent properties of fluorescent powder, and most of fluorescent powder method of testings are not considered the impact that the junction temperature of LED light source raises on fluorescent powder launching efficiency.Increase along with drive current, device temperature raises, be easy to cause the blue wave band spectrum peak wavelength exciting to drift about to short wavelength's direction, this can cause the excitation wavelength main peak mismatch of blue light peak wavelength and fluorescent powder, reduce blue light and be converted to the efficiency of gold-tinted, thereby cause the inaccurate of measurement result.
Summary of the invention
Goal of the invention of the present invention is: for the problem of above-mentioned existence, provide a kind of simple in structure, durable, cost is low, be convenient to fluorescent powder spectral investigator that produce to promote.
The technical solution used in the present invention is such: comprise computer, spectrometer and integrating sphere 9, wherein integrating sphere 9 upper ends are provided with LED light source 1, LED light source 1 upper end is provided with TEC thermostat, constant-current supply is directly connected with LED light source 1 by wire 2, LED light source 1 is connected with integrating sphere 9 by light extraction tube 3, the lower end of integrating sphere 9 is provided with stationary installation 5, fluorescent powder 7 is housed in stationary installation 5, the left wall of integrating sphere 9 outside is provided with cosine collector 4, and cosine collector 4 is connected with computer with spectrometer successively by optical fiber 8.
Further, described LED light source 1 is the high-power blue-ray LED light source of 1 W of wavelength 460 nm.
Further, described integrating sphere 9 is full-closed structure.
Further, described constant-current supply is the adjustable power supply of output.
In sum, beneficial effect of the present invention is:
1, utilize the totally enclosed characteristic of integrating sphere can avoid waste and the impact of light unevenness on experimental result of luminous energy, can greatly promote the ability that spectrometer obtains light;
2, light extraction tube can be controlled the direction of illumination of LED lamp well, effectively improves the efficiency of light energy utilization, prevents that light from directly entering probe and causing the out of true of measurement result and even the damage of instrument;
3, measuring method is reliable, simple to operate, and error is less;
4, adopt temperature control blue-ray LED to do light source, bright dipping is stable.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is schematic diagram of the present invention.
Embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are the schematic diagram of simplification, basic structure of the present invention is only described in a schematic way, so it only show the formation relevant with the present invention.
As shown in Figure 1, a kind of fluorescent powder spectral investigator, comprise computer, spectrometer and integrating sphere 9, wherein integrating sphere 9 upper ends are provided with LED light source 1, LED light source 1 upper end is provided with TEC thermostat, constant-current supply is directly connected with LED light source 1 by wire 2, LED light source 1 is connected with integrating sphere 9 by light extraction tube 3, the lower end of integrating sphere 9 is provided with stationary installation 5, fluorescent powder 7 is housed in stationary installation 5, the left wall of integrating sphere 9 outside is provided with cosine collector 4, and cosine collector 4 is connected with computer with spectrometer successively by optical fiber 8.
Further, described LED light source 1 is the high-power blue-ray LED light source of 1 W of wavelength 460 nm.
Further, described integrating sphere 9 is full-closed structure.
Further, described constant-current supply is the adjustable power supply of output.
The above-mentioned foundation desirable embodiment of the present invention of take is enlightenment, and by above-mentioned description, relevant staff can, within not departing from the scope of this invention technological thought, carry out various change and modification completely.The technical scope of this invention is not limited to the content on instructions, must determine its technical scope according to claim scope.
Claims (4)
1. a fluorescent powder spectral investigator, comprise computer, spectrometer and integrating sphere (9), it is characterized in that: integrating sphere (9) upper end is provided with LED light source (1), LED light source (1) upper end is provided with TEC thermostat, constant-current supply is directly connected with LED light source (1) by wire (2), LED light source (1) is connected with integrating sphere (9) by light extraction tube (3), the lower end of integrating sphere (9) is provided with stationary installation (5), fluorescent powder (7) is housed in stationary installation (5), the left wall of integrating sphere (9) outside is provided with cosine collector (4), cosine collector (4) is connected with computer with spectrometer successively by optical fiber (8).
2. a kind of fluorescent powder spectral investigator according to claim 1, is characterized in that: described LED light source (1) is the high-power blue-ray LED light source of 1 W of wavelength 460 nm.
3. a kind of fluorescent powder spectral investigator according to claim 1, is characterized in that: described integrating sphere (9) is full-closed structure.
4. a kind of fluorescent powder spectral investigator according to claim 1, is characterized in that: described constant-current supply is the adjustable power supply of output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310615683.7A CN103674249A (en) | 2013-11-28 | 2013-11-28 | Fluorescent powder spectrum tester |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310615683.7A CN103674249A (en) | 2013-11-28 | 2013-11-28 | Fluorescent powder spectrum tester |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103674249A true CN103674249A (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310615683.7A Pending CN103674249A (en) | 2013-11-28 | 2013-11-28 | Fluorescent powder spectrum tester |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043994A (en) * | 2015-07-21 | 2015-11-11 | 青岛市光电工程技术研究院 | Non-contact water quality detecting device for surface water |
| CN106525778A (en) * | 2015-09-14 | 2017-03-22 | 常州市武进区半导体照明应用技术研究院 | Apparatus and method for measuring performance of fluorescent glue |
| CN108351306A (en) * | 2015-10-28 | 2018-07-31 | 应用材料公司 | To handle the equipment of the material on substrate, for the cooling configuration of processing equipment and to measure in the method for the property of the material handled on substrate |
| CN108535226A (en) * | 2018-03-19 | 2018-09-14 | 厦门大学 | A kind of flourescent sheet transmitting optical property test device and method based on multichannel probe |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308499A (en) * | 2013-05-24 | 2013-09-18 | 厦门大学 | Device and method for testing performance of blue light-emitting diode (LED) excitation fluorescent powder |
-
2013
- 2013-11-28 CN CN201310615683.7A patent/CN103674249A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103308499A (en) * | 2013-05-24 | 2013-09-18 | 厦门大学 | Device and method for testing performance of blue light-emitting diode (LED) excitation fluorescent powder |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105043994A (en) * | 2015-07-21 | 2015-11-11 | 青岛市光电工程技术研究院 | Non-contact water quality detecting device for surface water |
| CN106525778A (en) * | 2015-09-14 | 2017-03-22 | 常州市武进区半导体照明应用技术研究院 | Apparatus and method for measuring performance of fluorescent glue |
| CN106525778B (en) * | 2015-09-14 | 2019-04-16 | 常州市武进区半导体照明应用技术研究院 | The device for measuring properties and method of fluorescent glue |
| CN108351306A (en) * | 2015-10-28 | 2018-07-31 | 应用材料公司 | To handle the equipment of the material on substrate, for the cooling configuration of processing equipment and to measure in the method for the property of the material handled on substrate |
| CN108535226A (en) * | 2018-03-19 | 2018-09-14 | 厦门大学 | A kind of flourescent sheet transmitting optical property test device and method based on multichannel probe |
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Application publication date: 20140326 |