JPS6347250U - - Google Patents
Info
- Publication number
- JPS6347250U JPS6347250U JP14045886U JP14045886U JPS6347250U JP S6347250 U JPS6347250 U JP S6347250U JP 14045886 U JP14045886 U JP 14045886U JP 14045886 U JP14045886 U JP 14045886U JP S6347250 U JPS6347250 U JP S6347250U
- Authority
- JP
- Japan
- Prior art keywords
- signal
- sensor body
- measuring
- output
- cylinder pressure
- 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
- 238000010586 diagram Methods 0.000 description 10
- 239000003990 capacitor Substances 0.000 description 1
Landscapes
- Measuring Fluid Pressure (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Testing Of Engines (AREA)
Description
第１図はこの考案の概念構成図、第２図はこの
考案の第１実施例の回路構成図、第３図、第４図
は第２図中のコントロールユニツト内で実行され
る動作を説明する流れ図、第５図、第６図はこの
実施例の作用を説明する波形図、第７図はこの考
案の第２実施例の回路構成図である。第８図はこ
の考案の第３実施例の回路構成図、第９図はこの
実施例の作用を説明する波形図である。第１０図
は従来例の回路構成図、第１１図、第１２図はそ
れぞれ低域遮断フイルタ、低域増幅回路のゲイン
特性図、第１３図は従来例の作用を説明する波形
図、第１４図は従来例の他の回路構成図である。
１，１Ａ，１Ｂ…低域遮断フイルタ、２，２Ａ
，２Ｂ…センサ本体、８…低域増幅回路、１３…
選択回路、１４…リセツト用スイツチ、２１…セ
ンサ本体、２２…増幅回路、２３…無信号状態出
力測定手段、２４…補正手段、２５…コントロー
ルユニツト、２６Ａ，２６Ｂ…常開スイツチ、６
１…チヤージアンプ、６４…スイツチ、７２…ス
イツチ、７３…コンデンサ、７４…正転バツフア
、７５…抵抗。
Figure 1 is a conceptual block diagram of this invention, Figure 2 is a circuit diagram of the first embodiment of this invention, and Figures 3 and 4 explain the operations executed within the control unit in Figure 2. 5 and 6 are waveform diagrams for explaining the operation of this embodiment, and FIG. 7 is a circuit configuration diagram of a second embodiment of this invention. FIG. 8 is a circuit configuration diagram of a third embodiment of this invention, and FIG. 9 is a waveform diagram illustrating the operation of this embodiment. FIG. 10 is a circuit configuration diagram of a conventional example, FIGS. 11 and 12 are gain characteristic diagrams of a low-frequency cutoff filter and a low-frequency amplifier circuit, respectively, FIG. 13 is a waveform diagram explaining the operation of the conventional example, and FIG. The figure is another circuit configuration diagram of the conventional example. 1, 1A, 1B...Low cutoff filter, 2, 2A
, 2B...Sensor body, 8...Low frequency amplifier circuit, 13...
Selection circuit, 14... Reset switch, 21... Sensor body, 22... Amplifying circuit, 23... No-signal state output measuring means, 24... Correction means, 25... Control unit, 26A, 26B... Normally open switch, 6
1... Charge amplifier, 64... Switch, 72... Switch, 73... Capacitor, 74... Normal rotation buffer, 75... Resistor.
Claims (1)
、この信号を増幅する回路とを備える筒内圧セン
サの入力回路において、前記センサ本体からの無
信号状態における出力を測定する手段と、この測
定結果を用いて信号発生時の前記増幅された信号
を補正する手段を設けたことを特徴とする筒内圧
センサの入力回路。 In an input circuit of a cylinder pressure sensor that includes a sensor body that generates a signal proportional to cylinder pressure and a circuit that amplifies this signal, there is provided a means for measuring an output from the sensor body in a no-signal state, and a means for measuring the output from the sensor body in a no-signal state, and a means for measuring the output from the sensor body in a no-signal state. An input circuit for a cylinder pressure sensor, characterized in that the input circuit comprises means for correcting the amplified signal when the signal is generated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14045886U JPS6347250U (en) | 1986-09-12 | 1986-09-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14045886U JPS6347250U (en) | 1986-09-12 | 1986-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6347250U true JPS6347250U (en) | 1988-03-30 |
Family
ID=31047324
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14045886U Pending JPS6347250U (en) | 1986-09-12 | 1986-09-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6347250U (en) |
-
1986
- 1986-09-12 JP JP14045886U patent/JPS6347250U/ja active Pending
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