JPH0199060U - - Google Patents
Info
- Publication number
- JPH0199060U JPH0199060U JP19635287U JP19635287U JPH0199060U JP H0199060 U JPH0199060 U JP H0199060U JP 19635287 U JP19635287 U JP 19635287U JP 19635287 U JP19635287 U JP 19635287U JP H0199060 U JPH0199060 U JP H0199060U
- Authority
- JP
- Japan
- Prior art keywords
- current value
- reference current
- mixed gas
- output
- gas
- 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
- 238000005259 measurement Methods 0.000 claims description 2
- 239000007789 gas Substances 0.000 claims 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 2
- 238000002485 combustion reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Description
図面はＦＩＤ分析計の構成図である。
３……電流測定回路、４……コレクタ電極、７
……高電圧電極、１６……比較手段、１７……供
給停止手段。
……高電圧電極、１６……比較手段、１７……供
給停止手段。
Claims (1)
- 水素ガスとサンプルガスとの混合ガスの燃焼域
近傍に高電圧電極とコレクタ電極を設けると共に
、前記混合ガスの燃焼によつて上記両電極間に生
じるイオン化電流を測定する電流測定回路を前記
コレクタ電極に接続して成るＦＩＤ分析計におい
て、前記混合ガスが正常に燃焼しているときのイ
オン化電流の上下限の電流値を基準電流値として
、該基準電流値と前記電流測定回路に出力される
電流値とを比較する比較手段を設けると共に、前
記出力電流値が前記基準電流値の下限または上限
を外れたことの比較結果を基にして前記水素ガス
の供給を停止させる手段を設けて成るＦＩＤ分析
計。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987196352U JPH065622Y2 (ja) | 1987-12-23 | 1987-12-23 | Ｆｉｄ分析計 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987196352U JPH065622Y2 (ja) | 1987-12-23 | 1987-12-23 | Ｆｉｄ分析計 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0199060U true JPH0199060U (ja) | 1989-07-03 |
| JPH065622Y2 JPH065622Y2 (ja) | 1994-02-09 |
Family
ID=31486974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987196352U Expired - Lifetime JPH065622Y2 (ja) | 1987-12-23 | 1987-12-23 | Ｆｉｄ分析計 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH065622Y2 (ja) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51151594A (en) * | 1975-06-20 | 1976-12-27 | Sony Corp | Protective circuit for flame detection circuit |
| JPS5293586U (ja) * | 1976-01-09 | 1977-07-13 |
-
1987
- 1987-12-23 JP JP1987196352U patent/JPH065622Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51151594A (en) * | 1975-06-20 | 1976-12-27 | Sony Corp | Protective circuit for flame detection circuit |
| JPS5293586U (ja) * | 1976-01-09 | 1977-07-13 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH065622Y2 (ja) | 1994-02-09 |
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