CN206532013U - Big target surface high-precision optical is without thermalization thermometric camera lens - Google Patents
Big target surface high-precision optical is without thermalization thermometric camera lens Download PDFInfo
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- CN206532013U CN206532013U CN201621386043.9U CN201621386043U CN206532013U CN 206532013 U CN206532013 U CN 206532013U CN 201621386043 U CN201621386043 U CN 201621386043U CN 206532013 U CN206532013 U CN 206532013U
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- crescent moon
- negative crescent
- moon lens
- thermalization
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Abstract
The utility model is related to a kind of big target surface high-precision optical without thermalization thermometric camera lens, including incident direction sets gradually negative crescent moon lens A, biconvex lens B, negative crescent moon lens C and negative crescent moon lens D from left to right along light.The utility model possesses the advantages of object lens of large relative aperture, the big angle of visual field, low distortion, big target surface, adaptive optics are without thermalization compensation, portable construction；Using optical material at different temperatures variations in refractive index difference come compensation temperature change focal plane influence, so that simpler without thermalized design structure, the structure of integral product is smaller, weight is lighter, optical axis stable imaging is apparent, reliability is high, is meeting in requirement of the user to product imaging performance, and client is also more convenient in structure and is used.
Description
Technical field
The utility model is related to a kind of big target surface high-precision optical without thermalization thermometric camera lens.
Background technology
Infrared temperature-test technology is as contactless temperature-measuring technology, and it has many good qualities compared with traditional thermometry, first,
Thermometric is not disturbed in its measurement, does not influence higher in Temperature Distribution, the degree of accuracy and precision；Secondly, infrared measurement of temperature test speed
It hurry up, and energy real-time monitored, measure advantage big；Again, infrared measurement of temperature can closely can be remote, and can be with night work, strong adaptability；Most
Afterwards, the scope of infrared measurement of temperature is wide, in theory without the test upper limit.This allows for infrared temperature-test technology power industry, space flight and aviation, matter
The fields such as amount detection, metallurgy have obtained wide model application, and infrared measurement of temperature camera lens just arises at the historic moment.Due to infrared optical material and machine
Tool material can produce thermal deformation in temperature change, therefore the acute variation of operating temperature can cause the focal length of optical system to become
The influences such as change, elegant, the image quality decline of image planes., must in order to eliminate or reduce influence of the temperature change to optical system imaging
Corresponding compensation technique must be used, makes optical system keep focal length constant in a larger temperature range, it is ensured that imaging matter
That measures is good, in addition, existing camera lens is present, imaging viewing field angle is small can not completely to obtain the overall structure of test object, in addition together
Heart degree, precision and the not accurate enough implementation for also contributing to compensation technique of axial location.
Utility model content
In view of the deficiencies in the prior art, technical problem to be solved in the utility model is to provide a kind of big target surface high accuracy
Optics is without thermalization thermometric camera lens, not only reasonable in design, and efficiently convenient.
In order to solve the above-mentioned technical problem, the technical solution of the utility model is：A kind of big target surface high-precision optical is without warm
Change thermometric camera lens, including incident direction sets gradually negative crescent moon lens A, biconvex lens B, negative crescent moon lens from left to right along light
C and negative crescent moon lens D, the airspace between negative the crescent moon lens A and biconvex lens B is 13mm, the biconvex lens B
Airspace between negative crescent moon lens C is 3mm, and the airspace between the negative crescent moon lens C and negative crescent moon lens D is
7mm
It is preferred that, the negative crescent moon lens A, biconvex lens B, negative crescent moon lens C and negative crescent moon lens D material are
One kind in Se60As40, Ge and ZnS.
It is preferred that, in the negative crescent moon lens A, biconvex lens B, negative crescent moon lens C and negative crescent moon lens D at least
One lens uses ZnS using Se60As40 materials, at least one lens using Ge materials, at least one lens.
It is preferred that, the negative crescent moon lens D, negative crescent moon lens C, biconvex lens B and negative crescent moon lens A orders are arranged on
In body tube, and compressed with preceding trim ring, the first spacer ring, the biconvex are provided between negative the crescent moon lens A and biconvex lens B
The second spacer ring is provided between lens B and negative crescent moon lens C, is provided between the negative crescent moon lens C and negative crescent moon lens D
Three spacer rings.
It is preferred that, the M24X0.75-6g ridges to be engaged with video camera are provided with outside the body tube.
Compared with prior art, the utility model has the advantages that：
（1）The utility model possesses object lens of large relative aperture, the big angle of visual field, low distortion, big target surface, adaptive optics without thermalization benefit
Repay, portable construction the advantages of；Using optical material, variations in refractive index difference is flat come compensation temperature change focusing at different temperatures
The influence in face so that simpler without thermalized design structure, the structure of integral product is smaller, and weight is lighter, optical axis stable imaging
Apparent, reliability is high, is meeting in requirement of the user to product imaging performance, and client is also more convenient in structure and is used；
（2）The utility model lens design rationally, both ensured camera lens concentricity, precision and axial location it is accurate, can
High by property, camera lens overall structure is light, attractive in appearance, using the structure can the angle of visual field up to 90 °, super Wide-angle is easier to obtain
The entirety of test object, makes the bulk temperature distribution of object very clear so that simpler without thermalized design structure, is follow-up
Material is sold off by not equality of temperature and realizes that the imaging performance of adaptive adjustment optical system lays the foundation；
（3）In optical design, aberration correction and balance are carried out to 8~12 μm of wide spectral ranges, make camera lens in wide light
Spectral limit all has excellent picture matter, realizes that wide spectrum is confocal, and such camera lens can blur-free imaging in middle long wave limit；From
Height refraction, the optical glass material of low dispersion, by designing and optimizing, correct the various aberrations of optical lens, make camera lens real
The advantages of existing high-resolution, object lens of large relative aperture, low distortion；Distortion is smaller, below 1%, has more relative to old structural aberration
Good control；In structure design, both ensured camera lens concentricity, precision and axial location it is accurate, the structure of camera lens is made again
It is light, attractive in appearance.By the characteristic of different optical materials, realize in the case of different temperatures that to sell off material by not equality of temperature adaptive
The imaging performance of optical system should be adjusted, realizes optics without thermalization.
The utility model is described in more detail with reference to the accompanying drawings and detailed description.
Brief description of the drawings
Fig. 1 is the light path schematic diagram of the utility model embodiment.
Fig. 2 is the optical configuration schematic diagram of the utility model embodiment.
In figure：
A- bears crescent moon lens A, B- biconvex lens B, C- and bears the negative crescent moon lens D of crescent moon lens C, D-；
Trim ring before 1- body tubes, 2-, the spacer rings of 3- first, the spacer rings of 4- second, the spacer rings of 5- the 3rd.
Embodiment
For features described above of the present utility model and advantage can be become apparent, special embodiment below, and coordinate accompanying drawing,
It is described in detail below.
As shown in Figure 1 and 2, a kind of big target surface high-precision optical is incident from left to right without thermalization thermometric camera lens, including along light
Direction sets gradually negative crescent moon lens A, biconvex lens B, negative crescent moon lens C and negative crescent moon lens D, the negative crescent moon lens A
Airspace between biconvex lens B is 13mm, and the airspace between the biconvex lens B and negative crescent moon lens C is
3mm, the airspace between the negative crescent moon lens C and negative crescent moon lens D is 7mm.
In the utility model embodiment, the negative crescent moon lens A, biconvex lens B, negative crescent moon lens C and negative crescent moon
Lens D material is one kind in Se60As40, Ge and ZnS.
In the utility model embodiment, the negative crescent moon lens A, biconvex lens B, negative crescent moon lens C and negative crescent moon
At least one lens uses Ge materials, at least one lens using Se60As40 materials, at least one lens in lens D
Using ZnS；When the temperature is changed, using the lens of Se60As40 materials, the lens using Ge materials and using ZnS materials
Lens are different due to R values and material, and the direction for causing optical system focal plane to change is different, and the amount of change is also differed,
These variables are mutually compensated for, self-adaptive temperature change, camera lens is ensured imaging in a temperature range as matter, in not equality of temperature
Under degree, different changes, the skew for the focal plane that adaptive equalization eyeglass R value changes are brought occur for lens index.
In the utility model embodiment, the negative crescent moon lens D, negative crescent moon lens C, biconvex lens B and negative crescent moon
Lens A orders are arranged in body tube 1, and are compressed with preceding trim ring 2, are provided between negative the crescent moon lens A and biconvex lens B
First spacer ring 3, is provided with the second spacer ring 4, the negative crescent moon lens C and the negative moon between the biconvex lens B and negative crescent moon lens C
The 3rd spacer ring 5 is provided between tooth lens D.
In the utility model embodiment, the M24X0.75- to be engaged with video camera is provided with outside the body tube 1
6g ridges.
Specific adjusting method of the present utility model, is comprised the steps of：
（1）Temperature change causes negative crescent moon lens A, biconvex lens B, negative crescent moon lens C and negative crescent moon lens D R values
Change, focal plane shifts；
（2）Negative crescent moon lens A, biconvex lens B, negative crescent moon lens C and the negative crescent moon lens D refractive indexes of different materials exist
Different changes, offset caused by adaptive equalization R value changes are there occurs under different temperatures.
In the utility model embodiment, the optical system being made up of above-mentioned lens set has reached following optical index：
Radius of curvature refers to the radius of curvature on each surface, and spacing is the spacing between adjacent two surface, for example, S1,
It is the remote surfaces with neighbouring biconvex lens B of negative crescent moon lens A respectively that S2, which is, during S1 spacing refers between S1 and S2 surfaces
In the heart away from other the rest may be inferred.
The utility model is not limited to above-mentioned preferred forms, and anyone can obtain under enlightenment of the present utility model
Go out other various forms of big target surface high-precision opticals without thermalization thermometric camera lens.It is all to be done according to present utility model application the scope of the claims
Equivalent changes and modifications, should all belong to covering scope of the present utility model.
Claims (5)
1. a kind of big target surface high-precision optical is without thermalization thermometric camera lens, it is characterised in that：Including along light incidence side from left to right
To setting gradually negative crescent moon lens A, biconvex lens B, negative crescent moon lens C and negative crescent moon lens D, the negative crescent moon lens A with
Airspace between biconvex lens B is 13mm, and the airspace between the biconvex lens B and negative crescent moon lens C is 3mm,
Airspace between the negative crescent moon lens C and negative crescent moon lens D is 7mm.
2. big target surface high-precision optical according to claim 1 is without thermalization thermometric camera lens, it is characterised in that：The negative crescent moon
Lens A, biconvex lens B, negative crescent moon lens C and negative crescent moon lens D material are one kind in Se60As40, Ge and ZnS.
3. big target surface high-precision optical according to claim 1 is without thermalization thermometric camera lens, it is characterised in that：The negative crescent moon
In lens A, biconvex lens B, negative crescent moon lens C and negative crescent moon lens D at least one lens using Se60As40 materials,
At least one lens uses ZnS using Ge materials, at least one lens.
4. big target surface high-precision optical according to claim 1 is without thermalization thermometric camera lens, it is characterised in that：The negative crescent moon
Lens D, negative crescent moon lens C, biconvex lens B and negative crescent moon lens A orders are arranged in body tube, and are compressed with preceding trim ring,
The first spacer ring is provided between the negative crescent moon lens A and biconvex lens B, is set between the biconvex lens B and negative crescent moon lens C
The second spacer ring is equipped with, the 3rd spacer ring is provided between the negative crescent moon lens C and negative crescent moon lens D.
5. big target surface high-precision optical according to claim 4 is without thermalization thermometric camera lens, it is characterised in that：The body tube
The outer M24X0.75-6g ridges being provided with to be engaged with video camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621386043.9U CN206532013U (en) | 2016-12-16 | 2016-12-16 | Big target surface high-precision optical is without thermalization thermometric camera lens |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621386043.9U CN206532013U (en) | 2016-12-16 | 2016-12-16 | Big target surface high-precision optical is without thermalization thermometric camera lens |
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| CN206532013U true CN206532013U (en) | 2017-09-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405782A (en) * | 2016-12-16 | 2017-02-15 | 福建福光天瞳光学有限公司 | Large target surface high-precision optics heat-free temperature measurement lens and adjustment method |
-
2016
- 2016-12-16 CN CN201621386043.9U patent/CN206532013U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106405782A (en) * | 2016-12-16 | 2017-02-15 | 福建福光天瞳光学有限公司 | Large target surface high-precision optics heat-free temperature measurement lens and adjustment method |
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