JPS606211U - Solenoid drive current control device - Google Patents

Solenoid drive current control device

Info

Publication number
JPS606211U
JPS606211U JP9795283U JP9795283U JPS606211U JP S606211 U JPS606211 U JP S606211U JP 9795283 U JP9795283 U JP 9795283U JP 9795283 U JP9795283 U JP 9795283U JP S606211 U JPS606211 U JP S606211U
Authority
JP
Japan
Prior art keywords
control device
drive current
current control
solenoid drive
solenoid
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
Application number
JP9795283U
Other languages
Japanese (ja)
Other versions
JPS6214647Y2 (en
Inventor
石田　広一
島村　政彦
隆明 品川
Original Assignee
日本電子機器株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日本電子機器株式会社 filed Critical 日本電子機器株式会社
Priority to JP9795283U priority Critical patent/JPS606211U/en
Publication of JPS606211U publication Critical patent/JPS606211U/en
Application granted granted Critical
Publication of JPS6214647Y2 publication Critical patent/JPS6214647Y2/ja
Granted legal-status Critical Current

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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

【図面の簡単な説明】[Brief explanation of drawings]

第１図は従来の駆動電流制御装置を示す回路図、第２図
は第１図の電流波形図、第３図は本考案の一実施例を示
す回路図、第４図ａ＝には第３図の各点の波形図である
。 １・・・・・・燃料噴射弁、′２・・・・・・駆動用ト
ランジスタ、５・・・・・・コンデンサ、１０・・・・
・・トランジスタ、１２・・・・・・ＩＭＡｘ比較器、
１３・・・・・・Ｉ、４゜ｌ、比較器、１５・・・・・
・ＩＭＡＸ用抵抗、１６・・・・・・ＩＭ、。用抵抗、
１７・・・・・・１ｌ−１０１ａ用抵抗、１８・・・・
・・ＩＭＡＸ用トランジスタ、１９・・・・・・ＩＭｉ
。用トランジスタ、２０・・・・・・Ｉ、４ｏ１ｄ用ト
ランジスタ、２２・・・・・・単安定マルチバイブレー
タ。FIG. 1 is a circuit diagram showing a conventional drive current control device, FIG. 2 is a current waveform diagram of FIG. 1, FIG. 3 is a circuit diagram showing an embodiment of the present invention, and FIG. 3 is a waveform diagram of each point in FIG. 3. FIG. 1...Fuel injection valve, '2...Drive transistor, 5...Capacitor, 10...
...transistor, 12...IMAx comparator,
13...I, 4゜l, comparator, 15...
・Resistance for IMAX, 16...IM. resistance,
17... Resistor for 1l-101a, 18...
・・IMAX transistor, 19・・・IMi
. Transistor for 20... I, 4o1d transistor, 22... Monostable multivibrator.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ソレノイドに直列に接続された電流検出抵抗にコンデン
サを並列接続し、このコンデンサの充電圧に基づいて前
記ソレノイドへの電流量を順に異なる目標値に制御する
ソレノイドの駆動電流制御装置において、前記コンデン
サに、相異なる抵抗値を有し、夫々の目標値制御区間と
ある目標値から他の目標値へ移行する遷移区間との夫々
に応じて選択的に電気的に導通状態となる抵抗回路を、
並列接続すると共に、該抵抗回路を選択的に電気的に導
通状態とする切換手段を設けたことを特徴とするソレノ
イドの駆動電流制御装置。In a solenoid drive current control device, a capacitor is connected in parallel to a current detection resistor connected in series with a solenoid, and the amount of current to the solenoid is sequentially controlled to different target values based on the charging voltage of the capacitor. , a resistance circuit having different resistance values and selectively becoming electrically conductive in accordance with each target value control section and a transition section in which a certain target value shifts to another target value,
What is claimed is: 1. A solenoid drive current control device, comprising switching means that connects the resistor circuits in parallel and selectively makes the resistor circuits electrically conductive.
JP9795283U 1983-06-27 1983-06-27 Solenoid drive current control device Granted JPS606211U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9795283U JPS606211U (en) 1983-06-27 1983-06-27 Solenoid drive current control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9795283U JPS606211U (en) 1983-06-27 1983-06-27 Solenoid drive current control device

Publications (2)

Publication Number Publication Date
JPS606211U true JPS606211U (en) 1985-01-17
JPS6214647Y2 JPS6214647Y2 (en) 1987-04-15

Family

ID=30232777

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9795283U Granted JPS606211U (en) 1983-06-27 1983-06-27 Solenoid drive current control device

Country Status (1)

Country Link
JP (1) JPS606211U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62139281U (en) * 1986-02-28 1987-09-02

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62139281U (en) * 1986-02-28 1987-09-02

Also Published As

Publication number Publication date
JPS6214647Y2 (en) 1987-04-15

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