CN106969841A - A kind of Source size effect restraining device based on radiation thermometer - Google Patents
A kind of Source size effect restraining device based on radiation thermometer Download PDFInfo
- Publication number
- CN106969841A CN106969841A CN201710352951.9A CN201710352951A CN106969841A CN 106969841 A CN106969841 A CN 106969841A CN 201710352951 A CN201710352951 A CN 201710352951A CN 106969841 A CN106969841 A CN 106969841A
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- CN
- China
- Prior art keywords
- diaphragm
- speculum
- light path
- size effect
- source size
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005476 size effect Effects 0.000 title claims abstract description 33
- 230000005855 radiation Effects 0.000 title claims abstract description 27
- 230000000452 restraining effect Effects 0.000 title claims abstract description 21
- 238000005538 encapsulation Methods 0.000 claims abstract description 33
- 230000004313 glare Effects 0.000 claims abstract description 32
- 238000003780 insertion Methods 0.000 claims abstract description 15
- 230000037431 insertion Effects 0.000 claims abstract description 15
- 230000003287 optical effect Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 7
- 230000001788 irregular Effects 0.000 claims description 3
- 230000005764 inhibitory process Effects 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000005457 Black-body radiation Effects 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000002310 reflectometry Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 238000011282 treatment Methods 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/06—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/02—Constructional details
- G01J5/06—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity
- G01J2005/065—Arrangements for eliminating effects of disturbing radiation; Arrangements for compensating changes in sensitivity by shielding
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Radiation Pyrometers (AREA)
Abstract
The present invention relates to a kind of Source size effect restraining device based on radiation thermometer, belong to radiant thermometric technology field.The present invention includes diaphragm speculum and installs that lid, diaphragm speculum, diaphragm speculum mounting bracket, light path encapsulation cylinder, the veiling glare that disappears be late and insertion screw thread.Compared with traditional radiation thermometer thermometric light path installing component, the collimation of the Source size effect restraining device of the present invention by diaphragm speculum and afterwards converges light path overall package in confined space, it is to avoid the veiling glare that other elements are produced in radiation thermometer enters detector.Compared with the single late installing component of the veiling glare that disappears, Source size effect restraining device of the present invention can install the veiling glare door screen that disappears of one or more different-diameters in diverse location, and the inhibition to Source size effect is more preferable.
Description
Technical field
The present invention relates to a kind of Source size effect restraining device based on radiation thermometer, belong to radiant thermometric technology
Field.
Background technology
Radiative thermometric method have noncontact, fast-response and it is easy to use the characteristics of.Current various radiation thermometers are obtained
To widely using, the calibration to these infrared measurement of temperature instruments and equipment is very important.Existing radiation temperature amount passes system
--- Standard Ratio thermometer --- work blackbody radiation source --- work radiation thermometer for standard tungsten ribbon lamp.Standard spoke
Thermometer is penetrated as the important component in amount biography system, the extensive pass of countries in the world metering institute and scientific research institution is received
Note.
In the development process of Standard Ratio thermometer, it is the part for needing to pay close attention to suppress Source size effect.Work as survey
When measuring or comparing different two sizes but temperature identical black matrix, detect the monochromatic radiation brightness received often and differ,
Here it is Source size effect.The reason for causing Source size effect is that the radiation measured beyond target passes through different optics, machinery member
Folding between part/reflect to form veiling glare, is received by a detector into light path.
In order to suppress Source size effect, it is necessary to limit veiling glare and enter detector.The main method taken at present be
The veiling glare door screen that disappears is added in thermometric light path before detector.But this method is limited to light channel structure, be typically only capable to add it is single disappear it is miscellaneous
Diaphragm, while each optical element in thermometric light path is independently of one another, is not packaged together so that the miscellaneous effect that disappears has with detector
Limit.
The content of the invention
The invention aims to solve disappear miscellaneous method of traditional optical to suppress the problem of Source size effect effect is limited, carry
Go out a kind of Source size effect restraining device based on radiation thermometer.
The purpose of the present invention is achieved through the following technical solutions.
A kind of Source size effect restraining device based on radiation thermometer, including diaphragm speculum install lid, diaphragm reflection
Mirror, diaphragm speculum mounting bracket, light path encapsulation cylinder, disappear veiling glare door screen and insertion screw thread；
Diaphragm speculum is arranged on the installation of diaphragm speculum and covered, and diaphragm speculum is installed lid and installed by diaphragm speculum
Support is fixed；Diaphragm speculum and collimation convergence light path overall package are in confined space, it is to avoid other in radiation thermometer yuan
The veiling glare that part is produced enters detector；The insertion screw thread of multiple caliber is machined with light path encapsulation cylinder, different bores can be installed
Disappear veiling glare door screen, so as to suppress to Source size effect.
A kind of Source size effect restraining device based on radiation thermometer, its internal light path trend is：
Diaphragm speculum is crossed by the temperature measuring optical Reuter of radiation thermometer, through light path encapsulation cylinder collimation, converges to light path encapsulation cylinder
On interior detector；The veiling glare door screen that disappears in light path encapsulation cylinder masks the veiling glare beyond main optical path, while will be spuious
Light is reflexed on the insertion screw thread in light path encapsulation cylinder, and spurious rays are changed into irregular diffusing reflection in screw thread, and then suppress
Source size effect.
Beneficial effect
Compared with traditional radiation thermometer thermometric light path installing component, Source size effect restraining device of the invention is by light
Late speculum and collimation afterwards converge light path overall package in confined space, it is to avoid other elements are produced in radiation thermometer
Veiling glare enter detector.Compared with the single late installing component of the veiling glare that disappears, Source size effect restraining device of the present invention can be with
The veiling glare door screen that disappears of one or more different-diameters is installed in diverse location, the inhibition to Source size effect is more preferable.
Brief description of the drawings
Fig. 1 is the configuration diagram of the Source size effect restraining device of the present invention；
Fig. 2 is the perspective representation of the Source size effect restraining device of the present invention；
Fig. 3 crosses optical axis and the sectional view parallel with bottom surface for the Source size effect restraining device of the present invention；
Wherein, 1- diaphragms speculum installs lid, 2- diaphragms speculum, 3- diaphragm speculums mounting bracket, the encapsulation of 4- light paths
Cylinder, 5- disappear veiling glare door screen, 6- insertion screw threads.
Embodiment
Embodiments of the invention are described in detail below in conjunction with the accompanying drawings.
As shown in figures 1 and 3, a kind of Source size effect restraining device based on radiation thermometer, including diaphragm speculum
Lid 1, diaphragm speculum 2 are installed, diaphragm speculum mounting bracket 3, light path encapsulation cylinder 4, disappear veiling glare door screen 5 and insertion screw thread 6.
Light path encapsulation cylinder 4 is processed using aluminum alloy material, and surface carries out sandblasting oxide treatments, can effectively reduce material
Expect the reflectivity on surface, and then reduce the veiling glare for entering detector.
Diaphragm speculum 2 is embedded in into diaphragm speculum to install in lid 1, diaphragm speculum is installed lid 1 and reflected installed in diaphragm
In the fixed platform of mirror mounting bracket 3；The afterbody of diaphragm speculum mounting bracket 3 is machined with a cylinder shape groove, light path encapsulation cylinder 4
Front end be machined with matching cylindrical boss, light path encapsulation cylinder 4 is inserted into diaphragm speculum mounting bracket 3 during installation
It is interior, the connecting portion of the two is closed not light leak.
An aperture for being used to install drier holder is designed with the side of diaphragm speculum mounting bracket 3, this is small
Hole is tunneled in light path encapsulation cylinder 4, the external world is connected with drier holder, it is ensured that light path encapsulation cylinder 4 is in dry ring
In border；The preceding mounting plane of diaphragm speculum mounting bracket 3 and the angle of optical axis are θ, and rear mounting plane is vertical with optical axis, makes light
Late speculum 2 deflects 90 ° of-θ, and light beam deflects 180 ° of -2 θ, realizes that light beam is separated, while ensuring that diaphragm speculum mounting bracket 3 is pacified
It is vertical with optical axis during dress, so as to ensure that diaphragm speculum mounting bracket 3 is correctly connected with light path encapsulation cylinder 4.
The afterbody of light path encapsulation cylinder 4 is machined with the neck of mounted lens, optical filter and detector, pacifies in light path encapsulation cylinder 4
Filling lens, optical filter and detector can be by the light path overall package after diaphragm speculum in confined space, it is to avoid extraneous spuious
The interference of light, reduces Source size effect, the diameter and depth of neck are adjusted according to actual light path design；Light path encapsulation cylinder 4
In be also machined with insertion screw thread 6, disappear veiling glare door screen 5 for installing；Different-diameter can be installed in the diverse location of light path encapsulation cylinder 4
Disappear veiling glare door screen 5, and installation number is one or more diaphragms.The diameter of insertion screw thread 6 is more than thermometric light path beam diameter, insertion screw thread
6 length is more than the thickness for the veiling glare door screen 5 that disappears, and diameter, the thickness of the veiling glare door screen 5 that disappears are adjusted according to actual light path design.
A kind of Source size effect restraining device based on radiation thermometer, light path trend be：
The temperature measuring optical Reuter of radiation thermometer is crossed after the central small hole of diaphragm speculum 2, through the interior lens of light path encapsulation cylinder 4
Collimate, converge on the detector in light path encapsulation cylinder 4；The veiling glare door screen 5 that disappears in light path encapsulation cylinder 4 masks main optical path
Veiling glare in addition, while veiling glare is reflexed on the insertion screw thread 6 in light path encapsulation cylinder 4, spurious rays become in screw thread
For irregular diffusing reflection, and then realize the purpose for suppressing Source size effect.
Claims (5)
1. a kind of Source size effect restraining device based on radiation thermometer, it is characterised in that including：Diaphragm speculum installs lid
(1), diaphragm speculum (2), diaphragm speculum mounting bracket (3), light path encapsulation cylinder (4), the veiling glare that disappears late (5) and insertion screw thread
(6)；
Diaphragm speculum (2) is arranged on diaphragm speculum and installed on lid (1), and diaphragm speculum is installed lid (1) and reflected by diaphragm
Mirror mounting bracket (3) is fixed；Diaphragm speculum (2) and collimation convergence light path overall package are in confined space, it is to avoid radiation temperature
Veiling glare in degree meter enters detector；Insertion screw thread (6) is machined with light path encapsulation cylinder (4), the veiling glare late (5) that disappears, which is installed on, to be passed through
On logical screw thread (6).
2. a kind of Source size effect restraining device based on radiation thermometer, it is characterised in that：Light path is moved towards：
The temperature measuring optical Reuter of radiation thermometer is crossed after the central small hole of diaphragm speculum (2), through light path encapsulation cylinder (4) interior lens
Collimate, converge on the detector in light path encapsulation cylinder (4)；The veiling glare late (5) that disappears in light path encapsulation cylinder (4) is masked
Veiling glare beyond main optical path, while veiling glare is reflexed on the insertion screw thread (6) in light path encapsulation cylinder (4), spurious rays
It is changed into irregular diffusing reflection in screw thread, and then realizes the purpose for suppressing Source size effect.
3. a kind of Source size effect restraining device based on radiation thermometer according to claim 1, it is characterised in that：Light
The preceding mounting plane of late speculum mounting bracket (3) and the angle of optical axis are θ, and rear mounting plane is vertical with optical axis, makes diaphragm anti-
Penetrate mirror (2) and deflect 90 ° of-θ, light beam deflects 180 ° of -2 θ, realize that light beam is separated, it is ensured that when diaphragm speculum mounting bracket (3) is installed
It is vertical with optical axis, realize that diaphragm speculum mounting bracket (3) is connected with light path encapsulation cylinder (4).
4. a kind of Source size effect restraining device based on radiation thermometer according to claim 1, it is characterised in that：
Diaphragm speculum mounting bracket (3) afterbody processes a groove, and it is equal to process shape, a size in light path encapsulation cylinder (4) front end
Matching boss, light path encapsulation cylinder (4) is inserted in diaphragm speculum mounting bracket (3), it is ensured that the two connecting portion is not
Light leak.
5. according to a kind of Standard Ratio thermometer Source size effect restraining device of the requirement of right 1, it is characterised in that：Utilize insertion
Screw thread (6) is late (5) in the veiling glare that disappears that the diverse location of light path encapsulation cylinder (4) installs different-diameter, and it can be one to install number
Or it is multiple, insertion screw thread (6) diameter is more than thermometric light path beam diameter.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611154600 | 2016-12-14 | ||
| CN2016111546009 | 2016-12-14 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106969841A true CN106969841A (en) | 2017-07-21 |
| CN106969841B CN106969841B (en) | 2019-05-07 |
Family
ID=59326246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710352951.9A Active CN106969841B (en) | 2016-12-14 | 2017-05-18 | A kind of Source size effect inhibition device based on radiation thermometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106969841B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006533A (en) * | 2019-04-11 | 2019-07-12 | 中国航发湖南动力机械研究所 | For inhibiting the device and radiation pyrometer of radiation source dimensional effect |
| CN111486966A (en) * | 2020-05-07 | 2020-08-04 | 江苏日颖慧眼智能设备有限公司 | Diaphragm assembly and infrared sensor temperature measuring device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2103132U (en) * | 1991-08-27 | 1992-04-29 | 中国人民解放军军事医学科学院放射医学研究所 | Columnar laser ceacher |
| CN201903399U (en) * | 2010-10-27 | 2011-07-20 | 中国计量科学研究院 | Illumination radiation thermometer |
| CN102175690A (en) * | 2011-01-24 | 2011-09-07 | 宁波大学 | Detection device for detecting macro-defects in infrared glass |
| CN205720771U (en) * | 2016-06-30 | 2016-11-23 | 广州市合熠电子科技有限公司 | Threaded type optical fiber focus lamp in a kind of microminiature |
-
2017
- 2017-05-18 CN CN201710352951.9A patent/CN106969841B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2103132U (en) * | 1991-08-27 | 1992-04-29 | 中国人民解放军军事医学科学院放射医学研究所 | Columnar laser ceacher |
| CN201903399U (en) * | 2010-10-27 | 2011-07-20 | 中国计量科学研究院 | Illumination radiation thermometer |
| CN102175690A (en) * | 2011-01-24 | 2011-09-07 | 宁波大学 | Detection device for detecting macro-defects in infrared glass |
| CN205720771U (en) * | 2016-06-30 | 2016-11-23 | 广州市合熠电子科技有限公司 | Threaded type optical fiber focus lamp in a kind of microminiature |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110006533A (en) * | 2019-04-11 | 2019-07-12 | 中国航发湖南动力机械研究所 | For inhibiting the device and radiation pyrometer of radiation source dimensional effect |
| CN111486966A (en) * | 2020-05-07 | 2020-08-04 | 江苏日颖慧眼智能设备有限公司 | Diaphragm assembly and infrared sensor temperature measuring device |
| CN111486966B (en) * | 2020-05-07 | 2022-12-09 | 江苏日颖慧眼智能设备有限公司 | Diaphragm assembly and infrared sensor temperature measuring device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106969841B (en) | 2019-05-07 |
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