JPH0333326U - - Google Patents
Info
- Publication number
- JPH0333326U JPH0333326U JP9383889U JP9383889U JPH0333326U JP H0333326 U JPH0333326 U JP H0333326U JP 9383889 U JP9383889 U JP 9383889U JP 9383889 U JP9383889 U JP 9383889U JP H0333326 U JPH0333326 U JP H0333326U
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- sensitive
- flow rate
- intake air
- air flow
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Measuring Volume Flow (AREA)
Description
第１図は本考案による一実施例の回路図、第２
図は第１図の信号波形図、第３図は従来の回路図
、第４図は第３図の信号波形図である。
１……感温式流量計、３……スイツチ、４……
電圧発生回路、５……タイマ、６……スイツチ制
御回路。
Figure 1 is a circuit diagram of an embodiment of the present invention;
1, FIG. 3 is a conventional circuit diagram, and FIG. 4 is a signal waveform diagram of FIG. 3. 1...Temperature-sensitive flowmeter, 3...Switch, 4...
Voltage generation circuit, 5...timer, 6...switch control circuit.
Claims (1)
で形成されたブリツジ回路により、前記感温抵抗
の吸入空気流量に応じた抵抗値の変化を前記ブリ
ツジ回路の非平衡電圧として検出し、前記ブリツ
ジ回路の供給電流を制御し、供給電流に対応する
電圧を吸入空気流量の検出信号として出力する感
温式流量計と、該感温式流量計からの検出信号に
基づいて吸入空気流量を測定する測定手段と、を
備えた感温式流量測定装置において、アイドル吸
入空気流量に相当する電圧を発生する電圧発生手
段と、電源投入時からの経過時間を計測する計測
手段と、前記電圧発生手段の出力端と電源投入に
より電流が供給される感温式流量計の出力端とを
選択的に前記測定手段に接続する切り換え手段と
、該切り換え手段を前記経過時間が予め定めた設
定時間以内は前記電圧発生手段の出力端の方に接
続させ、設定時間経過後は感温式流量計の出力端
の方に接続させる制御手段と、を設けたことを特
徴とする感温式流量測定装置。 A bridge circuit formed of a temperature-sensitive resistor and a plurality of resistors arranged in the intake passage detects a change in the resistance value of the temperature-sensitive resistor according to the intake air flow rate as an unbalanced voltage of the bridge circuit. A temperature-sensitive flow meter that controls the supply current of the bridge circuit and outputs a voltage corresponding to the supply current as a detection signal for the intake air flow rate, and measures the intake air flow rate based on the detection signal from the temperature-sensitive flow meter. A temperature-sensitive flow rate measuring device comprising: a voltage generating means for generating a voltage corresponding to an idle intake air flow rate; a measuring means for measuring elapsed time from power-on; and the voltage generating means. switching means for selectively connecting the output terminal of the temperature-sensitive flowmeter and the output terminal of the temperature-sensitive flowmeter to which current is supplied when the power is turned on to the measuring means; A temperature-sensitive flow rate measuring device comprising: control means connected to the output end of the voltage generating means, and connected to the output end of the temperature-sensitive flowmeter after a set time elapses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9383889U JPH0333326U (en) | 1989-08-11 | 1989-08-11 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9383889U JPH0333326U (en) | 1989-08-11 | 1989-08-11 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0333326U true JPH0333326U (en) | 1991-04-02 |
Family
ID=31643199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9383889U Pending JPH0333326U (en) | 1989-08-11 | 1989-08-11 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0333326U (en) |
-
1989
- 1989-08-11 JP JP9383889U patent/JPH0333326U/ja active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| ATE452761T1 (en) | LIQUID DISCHARGE HEAD | |
| JPH0333326U (en) | ||
| JPH03125275U (en) | ||
| JPS63159727U (en) | ||
| JPS6384579U (en) | ||
| JPS6228214U (en) | ||
| JPS6232499U (en) | ||
| JPH033348U (en) | ||
| JPS61182819U (en) | ||
| JPS63132328U (en) | ||
| JPH0284922U (en) | ||
| JPS63129831U (en) | ||
| JPH0414441U (en) | ||
| JPS6355181U (en) | ||
| JPS61182818U (en) | ||
| JPS6214328U (en) | ||
| JPS58181149U (en) | Combustion control device | |
| JPH01151052U (en) | ||
| JPS63151016U (en) | ||
| JPH0321985U (en) | ||
| JPH02146360U (en) | ||
| JPS63187019U (en) | ||
| JPS6262977U (en) | ||
| JPS6235996U (en) | ||
| JPS61157834U (en) |