JPS59144431U - Intake air amount detection device - Google Patents
Intake air amount detection deviceInfo
- Publication number
- JPS59144431U JPS59144431U JP3398383U JP3398383U JPS59144431U JP S59144431 U JPS59144431 U JP S59144431U JP 3398383 U JP3398383 U JP 3398383U JP 3398383 U JP3398383 U JP 3398383U JP S59144431 U JPS59144431 U JP S59144431U
- Authority
- JP
- Japan
- Prior art keywords
- intake air
- air flow
- multiplier
- voltage
- detection device
- 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
Landscapes
- Measuring Volume Flow (AREA)
- Indicating Measured Values (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の基本的構成図、電２図は本考案が適用
される自動車用内燃機関及びその周辺装置例の説明図、
第３図はその電子制御回路例とその関連部分とのブロッ
ク図、第４図及び第５図は本考案の一実施例を表わす。
１．７４・・・・・・熱線式流量計、２，７６・・・・
・・掛算器、３，７９・・・・・・Ａ／Ｄ変換器、２４
．７７・・・・・・熱線式エアフロメータ、３０．８０
・・・・・・電子制御回路（ＥＣＵ）、４３．７８・・
・・・・基準電線（ＥＣＵ用電源）。Fig. 1 is a basic configuration diagram of the present invention, and Fig. 2 is an explanatory diagram of an example of an automobile internal combustion engine and its peripheral equipment to which the present invention is applied.
FIG. 3 is a block diagram of an example of the electronic control circuit and its related parts, and FIGS. 4 and 5 show an embodiment of the present invention. 1.74... Hot wire flow meter, 2,76...
...Multiplier, 3,79...A/D converter, 24
．． 77・・・Hot wire air flow meter, 30.80
...Electronic control circuit (ECU), 43.78...
...Reference wire (power supply for ECU).
Claims (1)
抗値に基づいて、上記吸入空気流路内を流れる空気流量
に対応したアナログ変化の信号電圧を出力する熱線式流
量計と、 該熱線式流量計からの空気流量に対応した信号電圧の値
に電源電圧を基準とする任意の電圧の値を掛けたアナロ
グ変化の信号電圧を出力する掛算器と、 該掛算器に入力させたと同一の前記電源電圧から任意の
基準電圧を設定するとともに前記掛算器からの信号電圧
に対応した値のデジタル信号を出力するＡ／Ｄ変換器と
、 を備えることを特徴とする吸入空気量検出装置。[Claims for Utility Model Registration] Based on the resistance value of an electrical resistor placed in a heated state in the intake air flow path, a signal voltage of analog variation corresponding to the air flow rate flowing in the intake air flow path is generated. A multiplier that outputs an analog change signal voltage obtained by multiplying a signal voltage value corresponding to the air flow rate from the hot wire flowmeter by an arbitrary voltage value based on a power supply voltage. , an A/D converter that sets an arbitrary reference voltage from the same power supply voltage input to the multiplier and outputs a digital signal having a value corresponding to the signal voltage from the multiplier. Characteristic intake air amount detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3398383U JPS59144431U (en) | 1983-03-09 | 1983-03-09 | Intake air amount detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3398383U JPS59144431U (en) | 1983-03-09 | 1983-03-09 | Intake air amount detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59144431U true JPS59144431U (en) | 1984-09-27 |
Family
ID=30164753
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3398383U Pending JPS59144431U (en) | 1983-03-09 | 1983-03-09 | Intake air amount detection device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59144431U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011153972A (en) * | 2010-01-28 | 2011-08-11 | Denso Corp | Dynamic quantity sensor |
| JP2011237218A (en) * | 2010-05-07 | 2011-11-24 | Denso Corp | Air flow measurement device |
-
1983
- 1983-03-09 JP JP3398383U patent/JPS59144431U/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011153972A (en) * | 2010-01-28 | 2011-08-11 | Denso Corp | Dynamic quantity sensor |
| JP2011237218A (en) * | 2010-05-07 | 2011-11-24 | Denso Corp | Air flow measurement device |
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