JPS63138220A - Blackbody furnace - Google Patents
Blackbody furnaceInfo
- Publication number
- JPS63138220A JPS63138220A JP61285795A JP28579586A JPS63138220A JP S63138220 A JPS63138220 A JP S63138220A JP 61285795 A JP61285795 A JP 61285795A JP 28579586 A JP28579586 A JP 28579586A JP S63138220 A JPS63138220 A JP S63138220A
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- soaking plate
- heater
- cooling element
- electronic cooling
- 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
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 4
- 238000002791 soaking Methods 0.000 abstract description 12
- 230000005855 radiation Effects 0.000 abstract description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002253 acid Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007123 defense Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910001120 nichrome Inorganic materials 0.000 description 1
- 230000001105 regulatory effect Effects 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
- G01J5/52—Radiation pyrometry, e.g. infrared or optical thermometry using comparison with reference sources, e.g. disappearing-filament pyrometer
- G01J5/53—Reference sources, e.g. standard lamps; Black bodies
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Radiation Pyrometers (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は、放ｔＪＪ温度耐の校正等に用いる黒体炉に
関するものである。DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a blackbody furnace used for calibration of radiation JJ temperature resistance, etc.
［従来の技術］
常温付近の黒体炉を実現する場合、常温付近以上では、
発熱・冷却手段にニクロム線等のヒータを用い、常温付
近以下では、ベルチェ−効果を利用した電子冷却素子く
サーモ・モジュール）を用いていた。[Conventional technology] When realizing a blackbody furnace near room temperature, at temperatures above room temperature,
Heaters such as nichrome wire were used as heat generating and cooling means, and at temperatures below room temperature, an electronic cooling element (thermo module) utilizing the Beltier effect was used.
［この発明が解決しようとする問題点］特に低温の場合
、電子冷却素子への供給電流をオン・オフｌｔ、Ｉ制御
等して所定の設定温度の黒体炉とすることが考えられる
が、オン・オフをくり返すことにより電子冷ｒ、ｎ 素
子の劣化が進み、信頼性が低下する問題点がある。[Problems to be Solved by the Invention] Particularly in the case of low temperatures, it is conceivable to control the current supplied to the electronic cooling element by on/off lt, I control, etc. to maintain a blackbody furnace at a predetermined set temperature. There is a problem that the electronic cooling r,n element deteriorates due to repeated turning on and off, and its reliability decreases.
口の発明の目的は、以上の点に鑑み、高信頼性の常温付
近以下の黒体炉を提供することである。In view of the above points, the purpose of the invention is to provide a highly reliable blackbody furnace that operates at around room temperature or below.
（問題点を解決するための手段〕
この弁明は、電子冷却素子に設定温度以下となるような
電流を供給して冷却するとともにヒータを加熱υ１１！
０シ、空洞部の底面の均熱板の温度を設定温僚とするよ
うにした黒体炉である。(Means for solving the problem) This defense supplies the electronic cooling element with a current that lowers the temperature below the set temperature to cool it, and at the same time heats the heater υ11!
This is a blackbody furnace in which the temperature of the equalizing plate at the bottom of the cavity is set as the temperature.
し実施例］
第１図は、このｌｅ明の一実施例を示す構成説明図であ
る。Embodiment] FIG. 1 is a configuration explanatory diagram showing an embodiment of this invention.
図において、１は、空洞部で、その底部に黒化処理が施
されたアルミニウムのような均熱板２か段ｉｔられ、こ
の均熱Ｉｆｉ、２に熱電ス・１のような温度センサ３が
設けられ、ヒータ４が均熱板２に接するよう設けられ、
さらに電子冷却素子（サーモ・モジュール）５がヒータ
４を介して均熱板２を冷却するよう設けられている。そ
して、空洞部１、均熱板２、ヒータ４、電子冷却素子５
等を保持部材６で保持し、この保持部材６のフランジ部
のボルト６０により背部に放熱フィン７が設けられてい
る。In the figure, reference numeral 1 denotes a cavity, on the bottom of which there are two stages of heat equalizing plates made of blackened aluminum. is provided, the heater 4 is provided so as to be in contact with the heat equalizing plate 2,
Further, an electronic cooling element (thermo module) 5 is provided to cool the heat equalizing plate 2 via a heater 4. The cavity 1, the heat soaking plate 2, the heater 4, and the electronic cooling element 5
etc. are held by a holding member 6, and heat dissipation fins 7 are provided on the back by bolts 60 on the flange portion of this holding member 6.
そして、電子冷却素子５に所定の電流を供給する電源８
１、温度センサ３からの測定温度信号と設定温度とを比
較し操作端１０をオン・オフ制御等し電源８２からの電
力をヒータ４に供給する調節手段９を設け、これらでＩ
！１１制御手制御手段酸している。A power source 8 supplies a predetermined current to the electronic cooling element 5.
1. A regulating means 9 is provided which compares the measured temperature signal from the temperature sensor 3 with the set temperature, controls the operating end 10 on and off, etc., and supplies electric power from the power source 82 to the heater 4,
! 11 control hand control means acid.
また、空洞部１の均熱板付近には、内部に乾燥空気へを
開孔１ａの方向に噴出する送気管１１が設けられている
。なお、乾燥空気を導入するため、空洞部１の底部の均
熱板付近は、密閉構造となっている。Further, an air supply pipe 11 is provided in the vicinity of the heat equalizing plate of the cavity 1 to blow out dry air therein in the direction of the opening 1a. Note that, in order to introduce dry air, the area near the heat equalizing plate at the bottom of the cavity 1 has a sealed structure.
次に、常温付近以下の所定温度の黒体炉を実現するには
、電子冷却素子５に目標とする設定温度以下となるよう
な電流を電源８１より供給し、均熱板２を冷却する。そ
して、温度センサ３で均熱板２の温度を検出し、調節手
段９で設定温度と比較して、均熱板２の温度が設定温度
となるように操作端１０を駆動して電源８２の電力をヒ
ータ４に供給して加熱制御し、均熱板２を目標とする設
定温度とする。Next, in order to realize a blackbody furnace with a predetermined temperature around room temperature or below, a current is supplied from the power supply 81 to the electronic cooling element 5 so that the temperature becomes below the target set temperature, and the soaking plate 2 is cooled. Then, the temperature sensor 3 detects the temperature of the heat equalizing plate 2, the adjusting means 9 compares it with the set temperature, and the operation end 10 is driven so that the temperature of the heat equalizing plate 2 becomes the set temperature. Electric power is supplied to the heater 4 to control heating, and the temperature of the soaking plate 2 is set at a target temperature.
この状態で、空洞部１の開孔１ａ方向から図示しない放
射温度計を均熱板２に照準し、目盛校正等に使用する。In this state, a radiation thermometer (not shown) is aimed at the heat soaking plate 2 from the direction of the opening 1a of the cavity 1, and used for scale calibration, etc.
なお、０℃付近というような設定温度では、均熱板２が
結露しやすく校正誤差を沼くので、送気管１１より空洞
部１の内部に乾燥空気Ａを導入し、結露を防止する。Note that at a set temperature of around 0° C., dew condensation is likely to occur on the heat equalizing plate 2, leading to calibration errors, so dry air A is introduced into the cavity 1 through the air pipe 11 to prevent dew condensation.
［発明の効果］
以上述べたように、この発明は、電子冷却素子とヒータ
とを（ｎ用しているので、高精度な常温イ」近以下の黒
体炉を実現できる。また、乾燥空気を空洞内に導入する
ようにすれば、結露等の防止もでき、よりＩｓ精度な測
定が可能となる。[Effects of the Invention] As described above, the present invention uses an electronic cooling element and a heater, so it is possible to realize a black body furnace with high precision at room temperature or below. By introducing it into the cavity, it is possible to prevent dew condensation, etc., and it is possible to measure Is with higher accuracy.
第１図は、この発明の一実施例を示す構成説明図である
。FIG. 1 is a configuration explanatory diagram showing an embodiment of the present invention.
Claims (1)
加熱するヒータと、均熱板を冷却する電子冷却素子と、
この電子冷却素子に設定温度以下となるような電流を供
給して冷却するとともヒータを加熱制御し均熱板の温度
を設定温度とする制御手段とを備えたことを特徴とする
黒体炉。1. A heat equalizing plate provided on the bottom of the cavity, a heater that heats the heat equalizing plate, and an electronic cooling element that cools the heat equalizing plate,
A blackbody furnace characterized in that it is provided with a control means for cooling the electronic cooling element by supplying a current such that the temperature is below a set temperature, and controlling the heating of the heater to bring the temperature of the heat equalizing plate to the set temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61285795A JPS63138220A (en) | 1986-11-28 | 1986-11-28 | Blackbody furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61285795A JPS63138220A (en) | 1986-11-28 | 1986-11-28 | Blackbody furnace |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63138220A true JPS63138220A (en) | 1988-06-10 |
| JPH0476618B2 JPH0476618B2 (en) | 1992-12-04 |
Family
ID=17696174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61285795A Granted JPS63138220A (en) | 1986-11-28 | 1986-11-28 | Blackbody furnace |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63138220A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001010774A1 (en) * | 1999-08-06 | 2001-02-15 | Fujikin Incorporated | Moisture generating/supplying device and moisture generating reactor |
| JP2007309750A (en) * | 2006-05-17 | 2007-11-29 | National Institute Of Advanced Industrial & Technology | Blackbody furnace |
| KR101050170B1 (en) * | 2009-09-02 | 2011-07-19 | 국방과학연구소 | Blackbody assembly for infrared detector calibration |
| CN110186573A (en) * | 2019-07-12 | 2019-08-30 | 中国科学技术大学 | A kind of area blackbody radiation source |
| CN111623887A (en) * | 2020-06-05 | 2020-09-04 | 亿方人工智能系统(深圳)有限公司 | Human body infrared temperature measurement superconducting heat pipe surface source blackbody calibration source system |
-
1986
- 1986-11-28 JP JP61285795A patent/JPS63138220A/en active Granted
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001010774A1 (en) * | 1999-08-06 | 2001-02-15 | Fujikin Incorporated | Moisture generating/supplying device and moisture generating reactor |
| US7258845B2 (en) | 1999-08-06 | 2007-08-21 | Fujikin Incorporated | Apparatus and reactor for generating and feeding high purity moisture |
| CN100341775C (en) * | 1999-08-06 | 2007-10-10 | 株式会社富士金 | Moisture generating-supplying device and moisture generating reactor |
| US7368092B2 (en) | 1999-08-06 | 2008-05-06 | Fujikin Incorporated | Apparatus and reactor for generating and feeding high purity moisture |
| US7553459B2 (en) | 1999-08-06 | 2009-06-30 | Fujikin Incorporated | Apparatus and reactor for generating and feeding high purity moisture |
| JP2007309750A (en) * | 2006-05-17 | 2007-11-29 | National Institute Of Advanced Industrial & Technology | Blackbody furnace |
| KR101050170B1 (en) * | 2009-09-02 | 2011-07-19 | 국방과학연구소 | Blackbody assembly for infrared detector calibration |
| CN110186573A (en) * | 2019-07-12 | 2019-08-30 | 中国科学技术大学 | A kind of area blackbody radiation source |
| CN111623887A (en) * | 2020-06-05 | 2020-09-04 | 亿方人工智能系统(深圳)有限公司 | Human body infrared temperature measurement superconducting heat pipe surface source blackbody calibration source system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0476618B2 (en) | 1992-12-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |