CN206959994U - A kind of self-alignment built-in calibration blackbody of vacuum and low temperature radiometer - Google Patents
A kind of self-alignment built-in calibration blackbody of vacuum and low temperature radiometer Download PDFInfo
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- CN206959994U CN206959994U CN201721124775.5U CN201721124775U CN206959994U CN 206959994 U CN206959994 U CN 206959994U CN 201721124775 U CN201721124775 U CN 201721124775U CN 206959994 U CN206959994 U CN 206959994U
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Abstract
A kind of self-alignment built-in calibration blackbody of vacuum and low temperature radiometer, belong to vacuum and low temperature radiation detection arts, the problem of complicated in order to solve prior art blackbody radiation source, while middle reflection link have also been introduced radiometer measurement uncertainty, modulation copped wave piece are fixed on copped wave bar；Copped wave bar is connected with vacuum direct current generator；Vacuum direct current generator is connected with motor cabinet, and vacuum direct current generator is connected on modulator box by motor cabinet；Photoelectricity Hall switch is fixed on motor cabinet and is placed on modulation copped wave piece bottom, and photoelectricity Hall switch photosensitive region can be covered by ensureing the duty region of modulation copped wave piece；Temperature sensor is glued in modulator box light path close to modulation copped wave panel region；Heating plate is glued on modulator box, while is coated outside brewing chamber using aluminum foil and adhesive tape wrapped multiple；The built-in calibration blackbody can take into account the function of modulator and calibration blackbody, and can ensure to be useful in vacuum low-temperature environment condition, simple in construction, and reliability is high.
Description
Technical field
It the utility model is related to vacuum and low temperature radiation detection arts, and in particular to a kind of vacuum and low temperature radiometer is self-alignment
Built-in calibration blackbody.
Background technology
Infrared band detector has been widely used in the fields such as military affairs, industry, agricultural, space flight.Particularly navigating
Its field, increasing infrared channel remote sensor are admitted to space.These infrared channel remote sensors ring residing in space
Border is near space or outer space vacuum low-temperature environment, it is necessary to which to simulate this vacuum low-temperature environment condition Verification on the ground red
Outer tunnel remote sensor property indices, most important of which is that being carried out using blackbody radiation source to infrared channel remote sensor various
Radiation calibration and radiance test job under the conditions of fine temperature.The uniformity of blackbody radiation source exit facet directly affects spoke
The precision of calibration is penetrated, it is necessary to be evaluated using the radiometer of higher precision.In order to preferably evaluate in vacuum and low temperature condition
The performance indications of lower measurement radiometer, the built-in calibration blackbody of research vacuum and low temperature radiometer have important practical significance.
The immediate prior art of the utility model is disclosed in 2013《Low noise infrared radiometer designs》, this is infrared
Built-in calibration blackbody used in radiometer by certain angle and sprays the pitch-dark copped wave of high emissivity using built-in reference black matrix
Accurate temperature standard is passed to infrared detector by device, is provided to infrared radiometer and is referred to infra-red radiation.
Some research institutions of the country in terms of infrared radiometer to having carried out substantial amounts of research at present, and has relative maturity
Research products.But these products are required for additional single blackbody radiation source to be used as built-in calibration blackbody, while need to exist
Increase turnover reflection link is by the infrared detector photosensitive face of blackbody radiation source itself radiation reflective to radiometer in light path.This
On the one hand sample adds the complexity of structure, while middle reflection link have also been introduced radiometer measurement uncertainty.
Utility model content
The utility model is complicated in order to solve prior art blackbody radiation source, while middle reflection link is also introduced into
The problem of radiometer measurement uncertainty, there is provided a kind of self-alignment built-in calibration blackbody of vacuum and low temperature radiometer, it can
The integral structure of integrated built-in calibration blackbody and modulator, while simplify light path link, improve radiometer under vacuum and low temperature
Measurement accuracy.
The utility model solve technical problem technical scheme be：
A kind of self-alignment built-in calibration blackbody of vacuum and low temperature radiometer, it includes vacuum direct current generator, modulator box, electricity
Support, photoelectricity Hall switch, copped wave bar, modulation copped wave piece, heating plate, multilayer coating structure and temperature sensor, it is characterized in that, adjust
Copped wave piece processed is fixed on copped wave bar；Copped wave bar is connected with vacuum direct current generator；Vacuum direct current generator is connected with motor cabinet,
And vacuum direct current generator is connected on modulator box by motor cabinet；Photoelectricity Hall switch is fixed on motor cabinet and is placed on tune
Copped wave piece bottom processed, photoelectricity Hall switch photosensitive region can be covered by ensureing the duty region of modulation copped wave piece；Temperature sensor
It is glued in modulator box light path close to modulation copped wave panel region；Heating plate is glued on modulator box, while outside brewing chamber
Portion is coated using aluminum foil and adhesive tape wrapped multiple.
Operation principle of the present utility model is：DC MOTOR CONTROL modulation copped wave piece is operated in necessarily under the conditions of vacuum and low temperature
Frequency F under, using modulating copped wave piece surface spraying high-emissivity material, the temperature control that becomes more meticulous is carried out to modulation copped wave piece so that
Modulation copped wave piece takes into account the function of calibration blackbody built in modulator and radiometer in itself.
The beneficial effects of the utility model：The present invention utilizes to modulate copped wave piece and itself take into account to be determined built in modulator and radiometer
Mark the function of black matrix, using the teaching of the invention it is possible to provide built-in calibration blackbody of the normal work under vacuum low-temperature environment, pass through the temperature control that becomes more meticulous
System, the built-in calibration blackbody can take into account the function of modulator and calibration blackbody, and can ensure to be useful in vacuum low-temperature environment
Condition, simple in construction, reliability is high.
Brief description of the drawings
Fig. 1 is calibration blackbody structural profile illustration built in a kind of vacuum and low temperature radiometer self calibration of the utility model.
Fig. 2 is calibration blackbody structural representation built in a kind of vacuum and low temperature radiometer self calibration of the utility model.
Embodiment
The utility model is described in further details below in conjunction with the accompanying drawings.
As illustrated in fig. 1 and 2, the self-alignment built-in calibration blackbody of a kind of vacuum and low temperature radiometer, including vacuum direct current generator
1st, modulator box 2, motor cabinet 3, photoelectricity Hall switch 4, copped wave bar 5, modulation copped wave piece 6, heating plate 7, multilayer coating structure 8 and temperature
Spend sensor 9.Modulation copped wave piece 6 is screwed on copped wave bar 5, and copped wave bar 5 passes through jackscrew and vacuum direct current
Machine 1 is connected, and vacuum direct current generator 1 is connected by screw with motor cabinet 3, and vacuum direct current generator 1 is connected to tune by motor cabinet 3
On device box 2 processed, photoelectricity Hall switch 4 is screwed on motor cabinet 3 and the bottom of modulation copped wave piece 6 is placed on, and ensures to adjust
The duty region of copped wave piece 6 processed can cover the photosensitive region of photoelectricity Hall switch 4, and temperature sensor 9 is glued to tune using GD414
Closest to the region of modulation copped wave piece 6 in the light path of device box 2 processed, heating plate 7 is glued on modulator box 2 using GD414, while is being adjusted
The outside of box 2 processed utilizes aluminum foil and adhesive tape wrapped multiple cladding 8.
The utility model utilizes to modulate sprays high-emissivity material on copped wave piece 6, passes through temperature sensor 9 and controls heating plate
Modulator box 2 is heated, multilayer coating structure 8 reduces brewing chamber itself heat radiation, ensures itself thermal balance of modulation copped wave piece 6, under vacuum
Modulation copped wave piece 6 after thermal balance meets the absolute radiation benchmark of vacuum and low temperature radiometer as blackbody radiation source.It is so true
Empty low temperature radiometer is increased without extra built-in calibration blackbody, at the same it also avoid in the optical path by modulator it is gold-plated and place
Certain angle, it is compact-sized, it is easy to operate simple.
The application example of each part is in a kind of self-alignment built-in calibration blackbody of vacuum and low temperature radiometer of the present invention：Vacuum
The vacuum direct current generator of A-MAX26 (110174) model that direct current generator 1 is provided using maxon motor companies.Photoelectricity Hall
The Hall switch for the EE-SX672 models that switch 4 is provided using Omron automation (China) Co., Ltd.Modulation copped wave piece 6 is adopted
With the modulation copped wave piece of the THORLABS MC1F10A models provided.Heating plate 7 is using Changzhou flying apsaras electronic component Co., Ltd
The polyimides heating plate customized according to drawing is provided.Multilayer coating structure 8 is provided poly- using Lanzhou space technology physics Institute
Acid imide is aluminized second surface mirror.The adhesive type PT100 that temperature sensor 9 is provided using Taizhou mechanical ＆ electronic equipment corporation, Ltd of Novi
RTD paster temperature sensor.
Claims (2)
1. a kind of self-alignment built-in calibration blackbody of vacuum and low temperature radiometer, it includes vacuum direct current generator, modulator box, motor
Seat, photoelectricity Hall switch, copped wave bar, modulation copped wave piece, heating plate, multilayer coating structure and temperature sensor, it is characterized in that,
Modulation copped wave piece is fixed on copped wave bar；
Copped wave bar is connected with vacuum direct current generator；
Vacuum direct current generator is connected with motor cabinet, and vacuum direct current generator is connected on modulator box by motor cabinet；
Photoelectricity Hall switch is fixed on motor cabinet and is placed on modulation copped wave piece bottom, ensures the duty region of modulation copped wave piece
Photoelectricity Hall switch photosensitive region can be covered；
Temperature sensor is glued in modulator box light path close to modulation copped wave panel region；
Heating plate is glued on modulator box, while is coated outside brewing chamber using aluminum foil and adhesive tape wrapped multiple.
2. the self-alignment built-in calibration blackbody of a kind of vacuum and low temperature radiometer according to claim 1, it is characterised in that adjust
High-emissivity material is sprayed on copped wave piece processed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721124775.5U CN206959994U (en) | 2017-09-04 | 2017-09-04 | A kind of self-alignment built-in calibration blackbody of vacuum and low temperature radiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721124775.5U CN206959994U (en) | 2017-09-04 | 2017-09-04 | A kind of self-alignment built-in calibration blackbody of vacuum and low temperature radiometer |
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| Publication Number | Publication Date |
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| CN206959994U true CN206959994U (en) | 2018-02-02 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721416A (en) * | 2019-03-20 | 2020-09-29 | 北京振兴计量测试研究所 | Internal standard source for infrared radiometer in vacuum low-temperature environment and temperature control system |
| CN111721418A (en) * | 2019-03-20 | 2020-09-29 | 北京振兴计量测试研究所 | Quantitative calibration and quantity value transmission system for radiation parameters of calibration source in space environment |
| CN111721417A (en) * | 2019-03-20 | 2020-09-29 | 北京振兴计量测试研究所 | Infrared radiometer applied in vacuum low-temperature environment and measuring method |
| CN113295284A (en) * | 2021-06-01 | 2021-08-24 | 中国电子科技集团公司第四十一研究所 | Multi-band spectral radiometer based on temperature control of chopper slice and calibration method |
-
2017
- 2017-09-04 CN CN201721124775.5U patent/CN206959994U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111721416A (en) * | 2019-03-20 | 2020-09-29 | 北京振兴计量测试研究所 | Internal standard source for infrared radiometer in vacuum low-temperature environment and temperature control system |
| CN111721418A (en) * | 2019-03-20 | 2020-09-29 | 北京振兴计量测试研究所 | Quantitative calibration and quantity value transmission system for radiation parameters of calibration source in space environment |
| CN111721417A (en) * | 2019-03-20 | 2020-09-29 | 北京振兴计量测试研究所 | Infrared radiometer applied in vacuum low-temperature environment and measuring method |
| CN111721417B (en) * | 2019-03-20 | 2021-06-18 | 北京振兴计量测试研究所 | Infrared radiometer applied in vacuum low-temperature environment and measuring method |
| CN111721418B (en) * | 2019-03-20 | 2021-08-27 | 北京振兴计量测试研究所 | Quantitative calibration and quantity value transmission system for radiation parameters of calibration source in space environment |
| CN113295284A (en) * | 2021-06-01 | 2021-08-24 | 中国电子科技集团公司第四十一研究所 | Multi-band spectral radiometer based on temperature control of chopper slice and calibration method |
| CN113295284B (en) * | 2021-06-01 | 2022-08-02 | 中国电子科技集团公司第四十一研究所 | Multi-band spectral radiometer based on temperature control of chopper slice and calibration method |
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