JPS61139446U - - Google Patents
Info
- Publication number
- JPS61139446U JPS61139446U JP15760684U JP15760684U JPS61139446U JP S61139446 U JPS61139446 U JP S61139446U JP 15760684 U JP15760684 U JP 15760684U JP 15760684 U JP15760684 U JP 15760684U JP S61139446 U JPS61139446 U JP S61139446U
- Authority
- JP
- Japan
- Prior art keywords
- light
- output
- temperature
- temperature sensor
- light source
- 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.)
- Pending
Links
- 239000013307 optical fiber Substances 0.000 claims description 2
- 230000003287 optical effect Effects 0.000 claims 2
- 239000000463 material Substances 0.000 claims 1
- 238000002834 transmittance Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000001228 spectrum Methods 0.000 description 1
Landscapes
- Measuring Temperature Or Quantity Of Heat (AREA)
Description
第１図はこの考案の一実施例を示す構成図、第
２図は従来の温度測定装置の一例を示す構成図、
第３図は、第２図の温度センサの波長依存性と温
度との関係図、第４図は第２図の発光素子のスペ
クトルと温度センサの透過光との関係を示す図で
ある。
図において、２，４は光フアイバ、６は光源と
しての発光素子、９は温度センサ、１５は分光器
としての回折格子、１６はフオトダイオードアレ
イ、２１は演算回路、２２はパルス発生器である
。なお、各図中同一符号は同一又は相当部分を示
す。
FIG. 1 is a block diagram showing an embodiment of this invention, FIG. 2 is a block diagram showing an example of a conventional temperature measuring device,
FIG. 3 is a diagram showing the relationship between the wavelength dependence of the temperature sensor in FIG. 2 and temperature, and FIG. 4 is a diagram showing the relationship between the spectrum of the light emitting element in FIG. 2 and the transmitted light of the temperature sensor. In the figure, 2 and 4 are optical fibers, 6 is a light emitting element as a light source, 9 is a temperature sensor, 15 is a diffraction grating as a spectrometer, 16 is a photodiode array, 21 is an arithmetic circuit, and 22 is a pulse generator. . Note that the same reference numerals in each figure indicate the same or corresponding parts.
補正 昭６１．３．２８ 考案の名称を次のように補正する。 考案の名称 温度測定装置Correction 1986.3.28 The name of the invention is amended as follows. Name of invention: Temperature measuring device
Claims (1)
らなる温度センサを光フアイバの通路に設け、光
源からの光を上記温度センサに導き、上記温度セ
ンサを透過した光を分光器で分光した後、電気信
号に変換し、所定レベル以上の光出力の波長成分
の最低波長から温度を測定するものにおいて、上
記光源をパルス駆動し、このパルスと同期して上
記分光器の出力を取り出し、上記光源が点灯して
いるときの出力と消灯しているときの出力との差
を上記光出力として信号処理することを特徴とす
る温度測定装置。 A temperature sensor made of a material whose light transmittance changes as a function of temperature is provided in the path of the optical fiber, the light from the light source is guided to the temperature sensor, and the light transmitted through the temperature sensor is separated by a spectrometer; In a device that converts into an electrical signal and measures the temperature from the lowest wavelength of the wavelength component of optical output of a predetermined level or higher, the light source is pulse-driven, the output of the spectrometer is taken out in synchronization with this pulse, and the light source is A temperature measuring device characterized in that a difference between an output when the light is on and an output when the light is off is processed as a signal as the optical output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15760684U JPS61139446U (en) | 1984-10-17 | 1984-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15760684U JPS61139446U (en) | 1984-10-17 | 1984-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61139446U true JPS61139446U (en) | 1986-08-29 |
Family
ID=30715593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15760684U Pending JPS61139446U (en) | 1984-10-17 | 1984-10-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61139446U (en) |
-
1984
- 1984-10-17 JP JP15760684U patent/JPS61139446U/ja active Pending
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