CN207181839U - The optical system of automatic lovibond test meter based on area array CCD - Google Patents
The optical system of automatic lovibond test meter based on area array CCD Download PDFInfo
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- CN207181839U CN207181839U CN201720693202.8U CN201720693202U CN207181839U CN 207181839 U CN207181839 U CN 207181839U CN 201720693202 U CN201720693202 U CN 201720693202U CN 207181839 U CN207181839 U CN 207181839U
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- area array
- array ccd
- light path
- test meter
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Abstract
The utility model discloses the optical system of the automatic lovibond test meter based on area array CCD, it is characterised in that：It includes LED light source, the LED light source is provided with frosted high reflectance blank with the emitting light path in optical axis 45° angle direction, the emitting light path of frosted high reflectance blank is provided with collector lens, the emergent light of collector lens is by cuvette or is directly divided into two light paths, one light path is divided by beam splitter, then focused on by imaging len on the part photosurface of area array CCD, another light path is directly focused on another part photosurface of area array CCD by imaging len；The technology realizes the color and luminosity colorimetric measurement of material, has a video shooting function, the defects of bubble or impurity in observable measured matter, expands the application of instrument.
Description
Technical field
The utility model belongs to object detection device technical field, is exactly specifically to be related to automatic sieve based on area array CCD
Tie up the optical system of friend's colorimeter.
Background technology
Lovibond test meter method is common grease color detection method, and this method is to use Standard Colors sheet glass and grease
To be contrasted, color and luster is represented with the numeral indicated on matched Standard Colors sheet glass.
With the development of the social economy, existing lovibond test meter increasingly can not meet the market demand, at present, market
Present on lovibond test meter be mostly pure optical instrument, color is compared using visual sight, cumbersome, manipulation strength
Greatly, it is poor to measure uniformity.Although there is also " automatic lovibond test meter ", " automatic lovibond test in the market
Meter " can not be completely functional instead of the institute of pure optical visual lovibond test meter, and it is only pure optical visual lovibond test
The partial function of meter realizes that digitized measurement can only measure transmitted light, it is impossible to measures reflected light.In addition, lovibond test meter is only
Object color can be measured, it is impossible to analyze the composition and content of sample, further limit the application of lovibond test meter.
Utility model content
The purpose of this utility model can only measure object color aiming at above-mentioned existing automatic lovibond test meter, no
The composition and content of sample, the technological deficiency being of limited application can be analyzed, there is provided a kind of automatic Lovibond based on area array CCD
The optical system of colorimeter, the color and luminosity colorimetric measurement of material can be achieved, there is video shooting function, observable measured object
The defects of bubble or impurity in matter, expand the application of instrument.
Technical scheme
In order to realize above-mentioned technical purpose, the utility model devises the automatic lovibond test meter based on area array CCD
Optical system, it is characterised in that：It includes LED light source, and the LED light source is provided with the emitting light path in optical axis 45° angle direction
Frosted high reflectance blank, the emitting light path of frosted high reflectance blank are provided with collector lens, the emergent light warp of collector lens
Cross cuvette or be directly divided into two light paths, a light path is divided by beam splitter, then gathered by imaging len
For Jiao on the part photosurface of area array CCD, another light path directly focuses on another part sense of area array CCD by imaging len
In smooth surface；
Further, the beam splitter is triangular prism or grating.
Beneficial effect
A kind of optical system of automatic lovibond test meter based on area array CCD provided by the utility model, mesh can be achieved
Depending on the function of lovibond test meter, and the function of photoelectric colorimeter being also add, have apparatus structure simple, reliability is high,
The advantages of cost is cheap.This instrument hardly increases manufacturing cost, so that it may realizes the color and luminosity colorimetric measurement of material.Tool
There is a video shooting, the defects of bubble or impurity in observable measured matter, so as to ensure the uniformity of measurement result, correct
Property.The utility model is widely used in the measurement of opaque products, such as measure edible oil (various oil products), lipid, resin, syrup,
The colored liquid sample such as chemicals, also measurable solid, powdery, pasty state reflected sample.In addition, have to many can produce
Some materials of color reaction, it can also make the analysis of qualitative and quantitative, such as reagent analysis, water analysis with the instrument.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment 1.
Accompanying drawing 2 is the structural representation of the utility model embodiment 2.
Embodiment
With reference to the accompanying drawings and examples, the utility model is elaborated.
Embodiment
As shown in Figure 1, when measuring transparent objects, the white light that instrument LED light source 1 is sent is shone with optical axis 45° angle direction
After penetrating frosted high reflectance blank 2, become uniform diffuse reflection white light, directional light, direct irradiation colorimetric are become by collector lens 3
On ware 4, through the sample 5 for being transmitted measurement in cuvette 4；The light absorbed by sample, is divided into two parts：A part
It is divided by the triangular prism of beam splitter 6 or grating, then the part photosurface of area array CCD 8 is focused on by imaging len 7
On, by data collecting system, monochromatic absorption data are obtained, for realizing the measurement of photoelectric colorimeter；Another part light
Focused on by imaging len 7 on another part photosurface of area array CCD 8, by data collecting system, obtain RGB (RGBs
Three primary colors) signal, the measurement for object color.
Embodiment 2
As shown in Figure 2, in reflection measurement object, the white light that instrument LED light source 1 is sent is shone with optical axis 45° angle direction
Penetrate after being close to the reflection object 9 that high reflectance blank 2 is above measured, diffused by what opaque reflection object 9 absorbed,
Directional light is become by collector lens 3, is divided into two parts：A part is divided by the triangular prism of beam splitter 6 or grating
Light, then focused on by imaging len 7 on the part photosurface of area array CCD 8, by data collecting system, obtain monochromatic
Data are absorbed, for realizing the measurement of photoelectric colorimeter；Another part light focuses on the another of area array CCD 8 by imaging len 7
On the photosurface of part, by data collecting system, RGB (red green blue tricolor) signal, the survey for color of object surface are obtained
Amount.
The institute that the utility model fully achieves visual lovibond test meter is functional, you can to realize the saturating of transparency material
Measurement is penetrated, the reflection measurement of nontransparent material can also be realized.The miniaturization of automatic lovibond test meter can be realized, there is structure
Simply, reliability is high, and cost is cheap, the advantages of long lifespan.In combination with colorimeter method, there is automatic lovibond test meter and divide
The photometric function of light, available for the quantitative or qualitative analysis of material, further expand the application field of lovibond test meter.
Claims (2)
1. the optical system of the automatic lovibond test meter based on area array CCD, it is characterised in that：It includes LED light source, described
LED light source is provided with frosted high reflectance blank, the outgoing of frosted high reflectance blank with the emitting light path in optical axis 45° angle direction
Light path is provided with collector lens, and the emergent light of collector lens is divided into by cuvette or directly two light paths, a light path warp
Cross beam splitter to be divided, then focused on by imaging len on the part photosurface of area array CCD, another light path is direct
Focused on by imaging len on another part photosurface of area array CCD.
2. the optical system of the automatic lovibond test meter based on area array CCD as claimed in claim 1, it is characterised in that：Institute
It is triangular prism or grating to state beam splitter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720693202.8U CN207181839U (en) | 2017-06-14 | 2017-06-14 | The optical system of automatic lovibond test meter based on area array CCD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720693202.8U CN207181839U (en) | 2017-06-14 | 2017-06-14 | The optical system of automatic lovibond test meter based on area array CCD |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207181839U true CN207181839U (en) | 2018-04-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720693202.8U Active CN207181839U (en) | 2017-06-14 | 2017-06-14 | The optical system of automatic lovibond test meter based on area array CCD |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121784A (en) * | 2017-06-14 | 2017-09-01 | 上海仪电物理光学仪器有限公司 | The optical system of automatic lovibond test meter based on area array CCD |
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2017
- 2017-06-14 CN CN201720693202.8U patent/CN207181839U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107121784A (en) * | 2017-06-14 | 2017-09-01 | 上海仪电物理光学仪器有限公司 | The optical system of automatic lovibond test meter based on area array CCD |
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