CN205808930U - A kind of optical detection device - Google Patents
A kind of optical detection device Download PDFInfo
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- CN205808930U CN205808930U CN201620373824.8U CN201620373824U CN205808930U CN 205808930 U CN205808930 U CN 205808930U CN 201620373824 U CN201620373824 U CN 201620373824U CN 205808930 U CN205808930 U CN 205808930U
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- penetrance
- light
- voltage
- light ray
- particular light
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Abstract
This utility model relates to a kind of optical detection device, including: light source is used for emitting beam, and is additionally operable to send particular light ray through tester；Optical inductor is used for sensing light, and the light intensity of light is converted into the first voltage signal；It is additionally operable to sense the particular light ray through tester, the light intensity of particular light ray is converted into the second voltage signal；Analog to digital conversion circuit becomes the first digital signal for the first voltage signal is carried out analog digital conversion；It is additionally operable to that the second voltage signal is carried out analog digital conversion and becomes the second digital signal；Processor for being converted into the penetrance of light by the first digital signal；It is additionally operable to be converted into the second digital signal the penetrance of particular light ray, the penetrance of the penetrance of light Yu particular light ray is carried out difference conversion, obtain the tester screening rate to particular light ray.Hinge structure, this utility model can quickly detect the tester screening rate to light, and speed is fast, precision is high in detection.
Description
Technical field
This utility model relates to technical field of optical detection, particularly to a kind of optical detection device.
Background technology
The most various blue light material is a lot, very different, for ophthalmic lens, mobile phone, flat board protecting film, guarantor
Protecting lens, safety glass, notebook computer, computer screen all-in-one and television set, protecting film, VR eyeglass are required to carry out indigo plant
Light measures；The product blue light that be there is a need to slow down blue light (400um～480um) penetrance measures, can be fast but lack now
Speed detects the light-shielding rate of various materials, especially for the detection of the screening rate of blue light, it is therefore necessary to enter existing issue
Row solves.
Utility model content
Technical problem to be solved in the utility model is to provide and a kind of can quickly detect the tester screening rate to light,
The detection optical detection device that speed is fast, precision is high.
The technical scheme that this utility model solves above-mentioned technical problem is as follows: a kind of optical detection device, including:
Light source, is used for emitting beam, and is additionally operable to send particular light ray through tester；
Optical inductor, is used for sensing light, and the light intensity of light is converted into the first voltage signal；Be additionally operable to sense through
The particular light ray of tester, is converted into the second voltage signal by the light intensity of particular light ray；
Analog to digital conversion circuit, becomes the first digital signal for the first voltage signal is carried out analog digital conversion；It is additionally operable to
Two voltage signals carry out analog digital conversion and become the second digital signal；
Processor, for being converted into the penetrance of light by the first digital signal；It is additionally operable to convert the second digital signal
For the penetrance of particular light ray, the penetrance of the penetrance of light Yu particular light ray is carried out difference conversion, obtains tester to spy
Determine the screening rate of light.
The beneficial effects of the utility model are: light source, optical inductor, analog to digital conversion circuit and processor coordinate operation, real
Now the penetrance of light and particular light ray is detected, by carrying out difference conversion, the quickly detection tester screening to light
Covering rate, so that it is determined that the quality of the shield lights of tester, speed is fast, precision is high in detection.
On the basis of technique scheme, this utility model can also do following improvement.
Further, described light source is LED.
Further, the particular light ray that described light source sends is ultraviolet light, blue light or green glow.
Above-mentioned further scheme is used to provide the benefit that: the detection of application multi-light, applied widely.
Further, described processor memory contains the first penetrance reference table, and the magnitude of voltage and first that light produces penetrates
The penetrance of rate reference table is linear, and the penetrance maximum comprising light in described first penetrance reference table is corresponding
The range of voltage values that range of voltage values is corresponding with the penetrance minima of light, described processor reads the first numeral letter of light
Number magnitude of voltage, search penetrance reference table according to magnitude of voltage, then conversed the penetrance of light by interpolation.
Above-mentioned further scheme is used to provide the benefit that: to converse the penetrance of the light of correspondence according to magnitude of voltage, carry
Rise screening rate accuracy of detection.
Further, described processor memory contains the second penetrance reference table, the magnitude of voltage and second that particular light ray produces
The penetrance of penetrance reference table is linear, and the penetrance comprising particular light ray in described second penetrance reference table is maximum
Being worth the range of voltage values that corresponding range of voltage values is corresponding with the penetrance minima of particular light ray, described processor reads specific
The magnitude of voltage of the second digital signal of light, is searched the second penetrance reference table according to magnitude of voltage, then is conversed by interpolation
The penetrance of particular light ray.
Above-mentioned further scheme is used to provide the benefit that: to converse penetrating of corresponding particular light ray according to magnitude of voltage
Rate, improves screening rate accuracy of detection.
Further, also include display and memorizer, described display for showing the screening rate of particular light ray, described in deposit
Reservoir is for storing the screening rate of particular light ray.
Above-mentioned further scheme is used to provide the benefit that: display is easy to understand in time the screening rate of tester, storage
Device carries out data storage, it is simple to carry out data analysis.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of optical detection device of this utility model.
In accompanying drawing, the list of parts representated by each label is as follows:
1, light source, 2, optical inductor, 3, analog to digital conversion circuit, 4, processor, 5, display, 6, memorizer, 7, tester.
Detailed description of the invention
Being described principle of the present utility model and feature below in conjunction with accompanying drawing, example is served only for explaining this practicality
Novel, it is not intended to limit scope of the present utility model.
As it is shown in figure 1, a kind of optical detection device, including:
Light source 1, is used for emitting beam, and is additionally operable to send particular light ray through tester 7；
Optical inductor 2, is used for sensing light, and the light intensity of light is converted into the first voltage signal；It is additionally operable to sensing wear
Cross the particular light ray of tester 7, the light intensity of particular light ray is converted into the second voltage signal；
Analog to digital conversion circuit 3, becomes the first digital signal for the first voltage signal is carried out analog digital conversion；It is additionally operable to
Two voltage signals carry out analog digital conversion and become the second digital signal；
Processor 4, for being converted into the penetrance of light by the first digital signal；It is additionally operable to convert the second digital signal
For the penetrance of particular light ray, the penetrance of the penetrance of light Yu particular light ray is carried out difference conversion, obtain tester 7 to spy
Determine the screening rate of light.
Preferably, described light source 1 is LED.
Preferably, the particular light ray that described light source 1 sends is ultraviolet light, blue light or green glow.
Preferably, described processor 4 internal memory contains the first penetrance reference table, and the magnitude of voltage and first that light produces penetrates
The penetrance of rate reference table is linear, and the penetrance maximum comprising light in described first penetrance reference table is corresponding
The range of voltage values range of voltage values corresponding with the penetrance minima of light, described processor 4 reads the first number of light
The magnitude of voltage of word signal, is searched penetrance reference table according to magnitude of voltage, then is conversed the penetrance of light by interpolation.
Preferably, described processor 4 internal memory contains the second penetrance reference table, the magnitude of voltage and second that particular light ray produces
The penetrance of penetrance reference table is linear, and the penetrance comprising particular light ray in described second penetrance reference table is maximum
Being worth the range of voltage values that corresponding range of voltage values is corresponding with the penetrance minima of particular light ray, described processor 4 reads spy
Determine the magnitude of voltage of the second digital signal of light, search the second penetrance reference table according to magnitude of voltage, then converted by interpolation
Go out the penetrance of particular light ray.
The magnitude of voltage of ultraviolet light is between 1.8V～3.5V, and the magnitude of voltage of blue light is between 1.5V～2.5V, the electricity of green glow
Pressure value is between 1.2V～2.4V.
Ultraviolet light magnitude of voltage >=3.5V transmitance 100%, magnitude of voltage≤1.8V transmitance 0%；
Blue light magnitude of voltage >=2.5V transmitance 100%, magnitude of voltage≤1.5V transmitance 0%；
Green glow magnitude of voltage >=2.4V transmitance 100%, magnitude of voltage≤1.2V transmitance 0%.
Preferably, also including display 5 and memorizer 6, described display 5 is for showing the screening rate of particular light ray, institute
State memorizer 6 for storing the screening rate of particular light ray.
A kind of light detection method, comprises the following steps:
Step 1. light source 1 emits beam, and optical inductor 2 senses light, and the light intensity of light is converted into the first voltage letter
Number；
First voltage signal is carried out analog digital conversion and becomes the first digital signal by step 2. analog to digital conversion circuit 3；Processor 4 will
First digital signal is converted into the penetrance of light；
Step 3. light source 1 sends particular light ray through tester 7；Optical inductor 2 senses the specific light through tester 7
Line, is converted into the second voltage signal by the light intensity of particular light ray；
Second voltage signal is carried out analog digital conversion and becomes the second digital signal by step 4. analog to digital conversion circuit 3；Processor 4 will
Second digital signal is converted into the penetrance of particular light ray, and the penetrance of the penetrance of light Yu particular light ray is carried out difference
Conversion, obtains the tester 7 screening rate to particular light ray.
Preferably, described processor 4 internal memory contains the first penetrance reference table, and the magnitude of voltage and first that light produces penetrates
The penetrance of rate reference table is linear, and the penetrance maximum comprising light in described first penetrance reference table is corresponding
The range of voltage values that range of voltage values is corresponding with the penetrance minima of light, described processor 4 reads the first numeral of light
The magnitude of voltage of signal, is searched penetrance reference table according to magnitude of voltage, then is conversed the penetrance of light by interpolation.
Preferably, described processor 4 internal memory contains the second penetrance reference table, the magnitude of voltage and second that particular light ray produces
The penetrance of penetrance reference table is linear, and the penetrance comprising particular light ray in described second penetrance reference table is maximum
Being worth the range of voltage values that corresponding range of voltage values is corresponding with the penetrance minima of particular light ray, described processor 4 reads spy
Determine the magnitude of voltage of the second digital signal of light, search the second penetrance reference table according to magnitude of voltage, then converted by interpolation
Go out the penetrance of particular light ray.
Preferably, step 5 is also included: display 5 shows that the screening rate of particular light ray, memorizer 6 store particular light ray
Screening rate.
Implementing this programme, light source 1 sends white light, and optical inductor 2 senses white light, and the light intensity of white light is converted into the first electricity
Pressure signal；First voltage signal is carried out analog digital conversion and becomes the first digital signal by analog to digital conversion circuit 3；Processor 4 is by the first number
Word signal is converted into the penetrance of white light；
Light source 1 sends blue light through tester 7；Optical inductor 2 senses the blue light through tester 7, by the light intensity of blue light
Degree is converted into the second voltage signal；Second voltage signal is carried out analog digital conversion and becomes the second digital signal by analog to digital conversion circuit 3；Place
Second digital signal is converted into the penetrance of blue light by reason device 4, the penetrance of the penetrance of white light with blue light is carried out difference and changes
Calculate, obtain the tester 7 screening rate to blue light.
The foregoing is only preferred embodiment of the present utility model, not in order to limit this utility model, all in this practicality
Within novel spirit and principle, any modification, equivalent substitution and improvement etc. made, should be included in guarantor of the present utility model
Within the scope of protecting.
Claims (6)
1. an optical detection device, it is characterised in that including:
Light source (1), is used for emitting beam, and is additionally operable to send particular light ray through tester (7)；
Optical inductor (2), is used for sensing light, and the light intensity of light is converted into the first voltage signal；Be additionally operable to sense through
The particular light ray of tester (7), is converted into the second voltage signal by the light intensity of particular light ray；
Analog to digital conversion circuit (3), becomes the first digital signal for the first voltage signal is carried out analog digital conversion；It is additionally operable to second
Voltage signal carries out analog digital conversion and becomes the second digital signal；
Processor (4), for being converted into the penetrance of light by the first digital signal；It is additionally operable to be converted into the second digital signal
The penetrance of particular light ray, carries out difference conversion by the penetrance of the penetrance of light Yu particular light ray, obtains tester (7) to spy
Determine the screening rate of light.
A kind of optical detection device, it is characterised in that described light source (1) is LED.
A kind of optical detection device, it is characterised in that the particular light ray that described light source (1) sends is
Ultraviolet light, blue light or green glow.
A kind of optical detection device, it is characterised in that described processor (4) internal memory contains first and wears
Rate reference table thoroughly, magnitude of voltage and the penetrance of the first penetrance reference table that light produces are linear, and described first penetrates
The electricity that range of voltage values corresponding to the penetrance maximum of light is corresponding with the penetrance minima of light is comprised in rate reference table
Pressure value scope, described processor (4) reads the magnitude of voltage of the first digital signal of light, searches penetrance reference according to magnitude of voltage
Table, then the penetrance of light is conversed by interpolation.
A kind of optical detection device, it is characterised in that described processor (4) internal memory contains second and wears
Rate reference table thoroughly, magnitude of voltage and the penetrance of the second penetrance reference table that particular light ray produces are linear, and described second
The penetrance of range of voltage values corresponding to the penetrance maximum of particular light ray and particular light ray is comprised in penetrance reference table
The range of voltage values that little value is corresponding, described processor (4) reads the magnitude of voltage of the second digital signal of particular light ray, according to voltage
Value searches the second penetrance reference table, then is conversed the penetrance of particular light ray by interpolation.
6. according to optical detection device a kind of described in any one of claim 1 to 5, it is characterised in that also include display (5) and deposit
Reservoir (6), described display (5) is for showing the screening rate of particular light ray, and described memorizer (6) is for storing particular light ray
Screening rate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620373824.8U CN205808930U (en) | 2016-04-28 | 2016-04-28 | A kind of optical detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620373824.8U CN205808930U (en) | 2016-04-28 | 2016-04-28 | A kind of optical detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205808930U true CN205808930U (en) | 2016-12-14 |
Family
ID=58144358
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620373824.8U Expired - Fee Related CN205808930U (en) | 2016-04-28 | 2016-04-28 | A kind of optical detection device |
Country Status (1)
| Country | Link |
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| CN (1) | CN205808930U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806813A (en) * | 2016-04-28 | 2016-07-27 | 钱金维 | Light detecting device and light detecting method |
| CN109556724A (en) * | 2018-10-30 | 2019-04-02 | 长沙塞克陆德医疗科技有限公司 | A kind of blue light detection device and the method using device detection blue light |
-
2016
- 2016-04-28 CN CN201620373824.8U patent/CN205808930U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105806813A (en) * | 2016-04-28 | 2016-07-27 | 钱金维 | Light detecting device and light detecting method |
| CN109556724A (en) * | 2018-10-30 | 2019-04-02 | 长沙塞克陆德医疗科技有限公司 | A kind of blue light detection device and the method using device detection blue light |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20200428 |