CN201122183Y - Calibration device for infrared cloud detection - Google Patents
Calibration device for infrared cloud detection Download PDFInfo
- Publication number
- CN201122183Y CN201122183Y CNU200720038557XU CN200720038557U CN201122183Y CN 201122183 Y CN201122183 Y CN 201122183Y CN U200720038557X U CNU200720038557X U CN U200720038557XU CN 200720038557 U CN200720038557 U CN 200720038557U CN 201122183 Y CN201122183 Y CN 201122183Y
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- CN
- China
- Prior art keywords
- scaling
- cloud detection
- temperature sensor
- infrared cloud
- semiconductor refrigerating
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to robot scaling equipment of infrared cloud measurement, which comprises a scaling black body, a temperature sensor, a semiconductor refrigeration component, and a radiator, etc. The scaling black body is a metal mesh or metal cavity the surface of which is coated with a high emissivity coat, the inner part of the scaling black body is embedded with the temperature sensor, the back of the scaling black body is stuck with one surface of the semiconductor refrigeration component, and the other surface of which is provided with the radiator. The scaling blackbody is fixed in a closed cavity, and the semiconductor refrigeration component and the radiator are arranged outside the closed cavity. The scaling equipment invented by the utility model can provide the reference radiation under different temperatures, is used for determining the response characteristics of an infrared measurement device, and ensures the accuracy of the measurement results.
Description
Technical field
The present utility model relates to a kind of surface weather observation instrument, the especially robot scaling equipment of infrared cloud detection instrument.
Background technology
Mainly containing of ground cloud metre device comparative maturity measured the high laser ceilometer in cloud base, lamps behind a curtain etc., measured visible light all-sky video camera of cloud amount etc. and the cloud detection radar of measuring cloud base height, cloud amount simultaneously.
Laser ceilometer mainly by emission one laser pulse, returns an echo when it shines the cloud base, determine the cloud base height by measuring the echo and the mistiming between the transponder pulse that receive.Lamps behind a curtain are to shine the cloud base by launching a strong beam, form a hot spot in the cloud base, and the elevation angle from hot spot is measured in distance lamps behind a curtain a distance can calculate the cloud base height by the triangle relation formula.Visible light all-sky video camera is realized the taking pictures of all-sky determined the distribution of cloud again, thereby determined cloud amount by certain algorithm by adopting fish eye lens or spherical mirror.Cloud detection radar then passes through the emission electromagnetic pulse, produces scattering when it runs into cloud, by the reception scatter echo, thereby determines information such as cloud base height and cloud amount.The all-sky video camera mainly adopts fish eye lens or spherical mirror to realize taking pictures to all-sky.Laser ceilometer, lamps behind a curtain, cloud detection radar and visible light all-sky video camera etc. all need not calibrated processing when using.
In recent years, begin to adopt the infrared radiation mode to realize observation in the world to the sky cloud.When adopting the infrared radiation mode to measure, because the drift of infrared detector response characteristic life period, thereby when measuring, need constantly calibrate processing.
Summary of the invention
The purpose of the present utility model is: a kind of required robot scaling equipment of infrared cloud detection instrument that field inspection is used that is suitable for is provided, solves the required standard source problem of absolute calibration of infrared cloud detection instrument, guarantee the accuracy and the consistance of measurement result.
The technical solution of the utility model: the robot scaling equipment of infrared cloud detection instrument, form by calibration blackbody, temperature sensor, semiconductor refrigerating element, heating radiator etc.Calibration blackbody is wire netting or the wire chamber that the surface scribbles the high emissivity coating, adopts aluminium or metalloid, and inside is embedded with temperature sensor, and a face of the calibration blackbody back side and semiconductor refrigerating element reclines, and the another side of semiconductor refrigerating element is installed heating radiator.Calibration blackbody is fixed in closed chamber inside, and semiconductor refrigerating element and heating radiator place the closed chamber outside.
Beneficial effect: robot scaling equipment of the present utility model can provide the radiation of the standard under the different temperatures, be used for determining the response characteristic of Infrared survey device, guarantee the accuracy of measurement result, the influence that calibration blackbody places closed chamber inside effectively to avoid environmental baseline that calibration blackbody is caused, the long-term consistency of assurance measurement result.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Semiconductor refrigerating element 1, calibration blackbody 2, heat radiator 3, fan 4, temperature sensor 5
Embodiment
The robot scaling equipment of infrared cloud detection instrument is made up of calibration blackbody 2, temperature sensor 5, semiconductor refrigerating element 1, heating radiator (sheet) 3, fan 4 etc.Calibration blackbody is wire netting or the wire chamber that the surface scribbles the high emissivity coating, inside is embedded with PT-100 or PT-1000 temperature sensor, it also can be other sensor, the bottom surface is the circle that diameter is not less than 80mm, coating does not come off during high temperature, the inner cavity surface emissivity is greater than 98%, unevenness is less than 2%, calibration blackbody is made by aluminium or metalloid, the refrigeration face of the calibration blackbody back side and semiconductor refrigerating element reclines, adopt the semiconductor refrigerating element of paltie effect, volume is little, but is not limited to the semiconductor refrigerating element.Refrigeration work consumption is not less than, maximum temperature difference, and the cold-making block area is suitable with the calibration blackbody bottom surface, and the hot junction face of semiconductor refrigerating element is installed heating radiator, and scatterer is made up of scattering piece and radiator fan.Calibration blackbody is fixed in closed chamber inside, and semiconductor refrigerating element and heating radiator place the closed chamber outside.
Calibration blackbody is wire netting or the cavate derby that the surface scribbles the high emissivity coating, and the surface launching rate is greater than 98%, and unevenness is less than 2%.
Claims (6)
1. the robot scaling equipment of infrared cloud detection is characterized in that being made up of calibration blackbody, temperature sensor, semiconductor refrigerating element, heating radiator etc.; Calibration blackbody is wire netting or the wire chamber that the surface scribbles the high emissivity coating, and inside is embedded with temperature sensor, and a face of the calibration blackbody back side and semiconductor refrigerating element reclines, and the another side of semiconductor refrigerating element is installed heating radiator; Calibration blackbody is fixed in closed chamber inside, and semiconductor refrigerating element and heating radiator place the closed chamber outside.
2. the robot scaling equipment of infrared cloud detection according to claim 1 is characterized in that calibration blackbody is wire netting or the cavate derby that the surface scribbles the high emissivity coating, and the surface launching rate is greater than 98%, and unevenness is less than 2%.
3. the robot scaling equipment of infrared cloud detection according to claim 1 is characterized in that calibration blackbody inside is embedded with temperature sensor, and temperature sensor is Pt100 or Pt1000.
4. the robot scaling equipment of infrared cloud detection according to claim 1 is characterized in that heating radiator is made up of heat radiator and radiator fan.
5. the robot scaling equipment of infrared cloud detection according to claim 1 is characterized in that calibration blackbody is fixed in closed chamber inside, and cooling module and heating radiator place the closed chamber outside.
6. the robot scaling equipment of infrared cloud detection according to claim 1 is characterized in that cooling module can be the semiconductor refrigerating element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720038557XU CN201122183Y (en) | 2007-07-13 | 2007-07-13 | Calibration device for infrared cloud detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720038557XU CN201122183Y (en) | 2007-07-13 | 2007-07-13 | Calibration device for infrared cloud detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201122183Y true CN201122183Y (en) | 2008-09-24 |
Family
ID=40009416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720038557XU Expired - Fee Related CN201122183Y (en) | 2007-07-13 | 2007-07-13 | Calibration device for infrared cloud detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201122183Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666684B (en) * | 2009-09-28 | 2011-02-02 | 北京航空航天大学 | Millimeter wave blackbody radiation calibration source with biconical cavity serial structure |
| CN103777659A (en) * | 2014-01-01 | 2014-05-07 | 西安应用光学研究所 | Normal temperature point source blackbody |
| CN104181614A (en) * | 2014-08-13 | 2014-12-03 | 中国人民解放军理工大学 | Outdoor real-time calibration method and device based on double external black bodies and applied to foundation infrared ceilometer |
| CN104765077B (en) * | 2015-03-27 | 2017-09-12 | 中国计量科学研究院 | A kind of infrared remote sensing brightness temperature national measurement standard set-up |
-
2007
- 2007-07-13 CN CNU200720038557XU patent/CN201122183Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101666684B (en) * | 2009-09-28 | 2011-02-02 | 北京航空航天大学 | Millimeter wave blackbody radiation calibration source with biconical cavity serial structure |
| CN103777659A (en) * | 2014-01-01 | 2014-05-07 | 西安应用光学研究所 | Normal temperature point source blackbody |
| CN103777659B (en) * | 2014-01-01 | 2015-11-18 | 西安应用光学研究所 | Normal temperature point source black matrix |
| CN104181614A (en) * | 2014-08-13 | 2014-12-03 | 中国人民解放军理工大学 | Outdoor real-time calibration method and device based on double external black bodies and applied to foundation infrared ceilometer |
| CN104181614B (en) * | 2014-08-13 | 2016-08-24 | 中国人民解放军理工大学 | A kind of ground infrared cloud detection instrument field based on external pair of black matrix real-time calibration method and device |
| CN104765077B (en) * | 2015-03-27 | 2017-09-12 | 中国计量科学研究院 | A kind of infrared remote sensing brightness temperature national measurement standard set-up |
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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 |
Granted publication date: 20080924 Termination date: 20140713 |
|
| EXPY | Termination of patent right or utility model |