CN207925518U - A kind of special LED of chlorophyll fluorescence excitation - Google Patents
A kind of special LED of chlorophyll fluorescence excitation Download PDFInfo
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- CN207925518U CN207925518U CN201820374582.3U CN201820374582U CN207925518U CN 207925518 U CN207925518 U CN 207925518U CN 201820374582 U CN201820374582 U CN 201820374582U CN 207925518 U CN207925518 U CN 207925518U
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- reflector
- light emitting
- emitting source
- lens
- chlorophyll fluorescence
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Abstract
The utility model discloses a kind of chlorophyll fluorescences to excite special LED, including package lens, in package lens bottom reflector and light emitting source, the light emitting source is located at reflector bottom centre, the light that light emitting source is sent out for being reflected into parallel emergent ray by reflector, the package lens top is a convex lens, the parallel rays for converging reflector reflection；The light emitting source connects external power supply by stretching out the positive and negative connection pole of package lens bottom, chlorophyll fluorescence disclosed in the utility model excites special LED structure simple, the light reflection for the specific wavelength for being sent out light emitting source using reflector is parallel emergent ray, then the convex lens of encapsulated lensed tip, it converges on specific position, there is the efficiency of ideal excitation chlorophyll fluorescence.
Description
Technical field
The utility model is related to a kind of chlorophyll fluorescences to excite special LED.
Background technology
Chlorophyll one is important when being characterized in that the light with specific wavelength (465nm) irradiates it, it can launch higher
The fluorescence of wavelength.Currently, the home position sensing for detecting chlorophyll in ocean is almost to excite leaf using the LED of specific wavelength
Green element fluorescence.However, market it is existing LED launch angles it is big, need external in addition addition lens to be focused to realize, cause structure
Complicated and volume becomes larger.Therefore, it is to meet excitation chlorophyll fluorescence demand in situ, needs specific wavelength and luminous focus point
LED, to realize the excitation of the simple and higher efficiency of structure.
Utility model content
In order to solve the above technical problems, the utility model provides a kind of special LED of chlorophyll fluorescence excitation, to reach full
The purpose of the efficient chlorophyll fluorescence excitation of foot.
In order to achieve the above objectives, the technical solution of the utility model is as follows：
A kind of chlorophyll fluorescence excites special LED, including package lens, in package lens bottom reflector and hair
Light source, the light emitting source are located at reflector bottom centre, and reflector is used to be reflected into parallel to go out by the light that light emitting source is sent out
Light is penetrated, the package lens top is a convex lens, the parallel rays for converging reflector reflection；The light emitting source is logical
Cross the positive and negative connection pole connection external power supply for stretching out package lens bottom.
In said program, the light emitting source is light-emitting diode chip for backlight unit.
In said program, the reflector inner surface is quadratic surface, and interior diameter 1.2mm, surface coefficients are -0.978,
Radius is 0.1741；The outer surface of package lens is quadratic surface, and interior diameter 3mm, surface coefficients are -0.92, and radius is
1.2325。
In said program, the reflector inner surface plating is useful for reflective aluminium layer, and package lens material is PMMA.
In said program, after the encapsulated lens focus of light, focused spot is at lens 6mm.
In said program, the optical wavelength of the light emitting source transmitting is in 430-500nm, centre wavelength 465nm.
In said program, the light source spot diameter of encapsulated lens convergence is 1.2mm.
Through the above technical solutions, chlorophyll fluorescence provided by the utility model excites special LED to be set in package lens
Reflector and light emitting source have been set, and the light reflection for the specific wavelength for light emitting source being sent out first with reflector is parallel emergent light
Line, then the convex lens of encapsulated lensed tip, converges on specific position, has the effect of ideal excitation chlorophyll fluorescence
Rate.
Description of the drawings
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described.
Fig. 1 is that a kind of chlorophyll fluorescence disclosed in the utility model embodiment excites special LED structure schematic diagram；
Fig. 2 is the reflector schematic diagram disclosed in the utility model embodiment；
Fig. 3 is the package lens schematic diagram disclosed in the utility model embodiment；
Fig. 4 is opticpath schematic diagram.
In figure, 1, positive and negative connection pole；2, reflector；3, light emitting source；4, package lens；5, convex lens；6, hot spot；7, light
Line.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
The utility model provides a kind of special LED of chlorophyll fluorescence excitation, as shown in Figure 1, the LED structure is relatively simple
It is single, there is the efficiency of ideal excitation chlorophyll fluorescence.
Led schematic diagrames shown in FIG. 1, the special LED of the excitation chlorophyll fluorescence include：Positive and negative connection pole 1 is outer for connecting
Portion's power supply；The light reflection that reflector 2 is used to emit light emitting source 3 is at more parallel emergent ray 7；Light emitting source 3 is luminous two
Pole pipe chip powers on the light that can emit special spectrum；4 top of package lens is a convex lens 5, for converging reflector
Light 7 is focused on specific position by the parallel rays 7 of reflection.
2 schematic diagram of reflector shown in Fig. 2, reflector 2 use quadratic surface, interior diameter 1.2mm, surface coefficients be-
0.978, radius 0.1741, inner surface plating is useful for reflective aluminium layer.The design can ensure parallel light output, improve reflection
Efficiency.
4 schematic diagram of package lens shown in Fig. 3,4 top of package lens is a convex lens 5, using quadratic surface, interior diameter
For 3mm, surface coefficients are -0.92, radius 1.2325, material PMMA.The structure can ensure to emit from reflector 2 flat
Row light converges to fixed position.
LED light path schematic diagram shown in Fig. 4, LED institutes isolychn 7 is after reflector 2 and package lens 4 act on, in fixation
Position is converged, and Illumination Distribution is in rational diameter spot, and 6 a diameter of 1.2mm of hot spot, Illumination Distribution is uniform, ensure that excitation
The efficiency of chlorophyll fluorescence.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or use this practicality new
Type.Various modifications to these embodiments will be apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest range consistent with features of novelty.
Claims (7)
1. a kind of chlorophyll fluorescence excites special LED, which is characterized in that including package lens, the bottom in package lens
Reflector and light emitting source, the light emitting source are located at reflector bottom centre, and the light that reflector is used to send out light emitting source reflects
At parallel emergent ray, the package lens top is a convex lens, the parallel rays for converging reflector reflection；Institute
It states light emitting source and connects external power supply by stretching out the positive and negative connection pole of package lens bottom.
2. a kind of chlorophyll fluorescence according to claim 1 excites special LED, which is characterized in that the light emitting source is hair
Luminous diode chip.
3. a kind of chlorophyll fluorescence according to claim 1 excites special LED, which is characterized in that table in the reflector
Face is quadratic surface, and interior diameter 1.2mm, surface coefficients are -0.978, radius 0.1741；The outer surface of package lens is two
Secondary curved surface, interior diameter 3mm, surface coefficients are -0.92, radius 1.2325.
4. a kind of chlorophyll fluorescence according to claim 1 excites special LED, which is characterized in that table in the reflector
Face plating is useful for reflective aluminium layer, and package lens material is PMMA.
5. a kind of chlorophyll fluorescence according to claim 1 excites special LED, which is characterized in that the encapsulated lens of light
After focusing, focused spot is at lens 6mm.
6. a kind of chlorophyll fluorescence according to claim 1 excites special LED, which is characterized in that the light emitting source transmitting
Optical wavelength in 430-500nm, centre wavelength 465nm.
7. a kind of chlorophyll fluorescence according to claim 3 excites special LED, which is characterized in that encapsulated lens convergence
Light source spot diameter be 1.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820374582.3U CN207925518U (en) | 2018-03-19 | 2018-03-19 | A kind of special LED of chlorophyll fluorescence excitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820374582.3U CN207925518U (en) | 2018-03-19 | 2018-03-19 | A kind of special LED of chlorophyll fluorescence excitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207925518U true CN207925518U (en) | 2018-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820374582.3U Active CN207925518U (en) | 2018-03-19 | 2018-03-19 | A kind of special LED of chlorophyll fluorescence excitation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550685A (en) * | 2018-03-19 | 2018-09-18 | 山东省科学院海洋仪器仪表研究所 | A kind of special LED of chlorophyll fluorescence excitation |
-
2018
- 2018-03-19 CN CN201820374582.3U patent/CN207925518U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108550685A (en) * | 2018-03-19 | 2018-09-18 | 山东省科学院海洋仪器仪表研究所 | A kind of special LED of chlorophyll fluorescence excitation |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211027 Address after: 266000 No.2 Huiying street, Shanghe demonstration zone, Jiaozhou City, Qingdao City, Shandong Province Patentee after: Qingdao Mihai Technology Co.,Ltd. Address before: 266000 Building 2, phase I, blue Silicon Valley entrepreneurship center, Qingdao blue Silicon Valley core area, aoshanwei street, Qingdao, Shandong Province Patentee before: INSTITUTE OF OCEANOGRAPHIC INSTRUMENTATION, SHANDONG ACADEMY OF SCIENCES |
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| TR01 | Transfer of patent right |