JPH0352627U - - Google Patents
Info
- Publication number
- JPH0352627U JPH0352627U JP11274989U JP11274989U JPH0352627U JP H0352627 U JPH0352627 U JP H0352627U JP 11274989 U JP11274989 U JP 11274989U JP 11274989 U JP11274989 U JP 11274989U JP H0352627 U JPH0352627 U JP H0352627U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- air flow
- flow meter
- drive
- key switch
- 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)
Description
第１図は本考案の一実施例を示す回路図、第２
図は第１図のタイムチヤート、第３図は従来の回
路図、第４図は第３図のタイムチヤートである。
１……バツテリ、２……キースイツチ、５，９
……リレー、６……空気流量計、７……マイコン
、８……オペアンプ。
Figure 1 is a circuit diagram showing one embodiment of the present invention, Figure 2 is a circuit diagram showing an embodiment of the present invention.
The figures are the time chart of FIG. 1, FIG. 3 is a conventional circuit diagram, and FIG. 4 is the time chart of FIG. 3. 1...Battery, 2...Key switch, 5,9
... Relay, 6 ... Air flow meter, 7 ... Microcomputer, 8 ... Operational amplifier.
Claims (1)
量を測定する空気流量計と、該空気流量計の出力
信号に基づいて燃料噴射量を制御する電子燃料噴
射制御手段と、を備えた内燃機関において、キー
スイツチのイグニツシヨン位置で前記電子燃料噴
射制御手段とバツテリとを接続する第１のスイツ
チ手段と、前記キースイツチのスタータ位置で駆
動信号を出力し、前記キースイツチがオフするま
で前記駆動信号の出力を保持するスイツチ駆動手
段と、該スイツチ駆動手段の駆動信号に基づいて
前記第１のスイツチ手段を介して前記バツテリに
空気流量計を接続する第２のスイツチ手段と、を
設けたことを特徴とする空気流量計の駆動装置。 In an internal combustion engine that is equipped with an air flow meter that measures the air flow rate, which is made up of a bridge circuit using a heat-sensitive element, and an electronic fuel injection control means that controls the fuel injection amount based on the output signal of the air flow meter, a key switch is provided. a first switch means for connecting the electronic fuel injection control means and the battery at the ignition position of the key switch; and a switch that outputs a drive signal at the starter position of the key switch and holds the output of the drive signal until the key switch is turned off. An air flow meter comprising: a drive means; and a second switch means for connecting the air flow meter to the battery via the first switch means based on a drive signal from the switch drive means. drive unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11274989U JPH0352627U (en) | 1989-09-28 | 1989-09-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11274989U JPH0352627U (en) | 1989-09-28 | 1989-09-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0352627U true JPH0352627U (en) | 1991-05-22 |
Family
ID=31661186
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11274989U Pending JPH0352627U (en) | 1989-09-28 | 1989-09-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0352627U (en) |
-
1989
- 1989-09-28 JP JP11274989U patent/JPH0352627U/ja active Pending
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