JPS6318381U - - Google Patents

Info

Publication number
JPS6318381U
JPS6318381U JP11225586U JP11225586U JPS6318381U JP S6318381 U JPS6318381 U JP S6318381U JP 11225586 U JP11225586 U JP 11225586U JP 11225586 U JP11225586 U JP 11225586U JP S6318381 U JPS6318381 U JP S6318381U
Authority
JP
Japan
Prior art keywords
state
drive voltage
drive
detection unit
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
Application number
JP11225586U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP11225586U priority Critical patent/JPS6318381U/ja
Publication of JPS6318381U publication Critical patent/JPS6318381U/ja
Pending legal-status Critical Current

Links

Description

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

第１図はこの考案の一実施例を示すブロツク図
、第２図はこの考案の動作の説明に供する信号波
形図である。 図中、１はバツテリー、２はキースイツチ、３
はオフ状態検出部、４は電圧保持部、Ｃは充放電
用コンデンサ、Ｒ２は放電用抵抗、４２はコンパ
レータ、５は増幅回路、６は操舵トルク検出器、
７はモータ駆動回路、８は外部リレー、８ａはリ
レーコイル、９は直流電動機、１２はナンド回路
である。 FIG. 1 is a block diagram showing an embodiment of this invention, and FIG. 2 is a signal waveform diagram for explaining the operation of this invention. In the diagram, 1 is the battery, 2 is the key switch, 3
is an off-state detection unit, 4 is a voltage holding unit, C is a charging/discharging capacitor, R2 is a discharging resistor, 42 is a comparator, 5 is an amplifier circuit, 6 is a steering torque detector,
7 is a motor drive circuit, 8 is an external relay, 8a is a relay coil, 9 is a DC motor, and 12 is a NAND circuit.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 一端が電源に接続されたキースイツチをオン状
態とすることにより、前記電源を外部リレーを介
してモータ駆動回路に接続して、補助操舵力を発
生する電動機を駆動するようにした電動パワース
テアリング装置において、前記キースイツチのオ
フ状態への移行を検出するオフ状態検出部と、該
オフ状態検出部でオフ状態を検出したときに、前
記電動機に対する駆動電圧を徐々に低下させ且つ
当該駆動電圧が所定設定電圧以下となつたときに
前記外部リレーを非付勢状態に制御する駆動電圧
保持部とを備えたことを特徴とする電動パワース
テアリング装置。 In an electric power steering device, when a key switch whose one end is connected to a power source is turned on, the power source is connected to a motor drive circuit via an external relay to drive an electric motor that generates auxiliary steering force. an off-state detection unit that detects transition of the key switch to the off-state; and when the off-state detection unit detects the off-state, the drive voltage for the electric motor is gradually lowered and the drive voltage is a predetermined set voltage. An electric power steering device comprising: a drive voltage holding section that controls the external relay to be in a non-energized state when the following conditions occur.
JP11225586U 1986-07-22 1986-07-22 Pending JPS6318381U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11225586U JPS6318381U (en) 1986-07-22 1986-07-22

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11225586U JPS6318381U (en) 1986-07-22 1986-07-22

Publications (1)

Publication Number Publication Date
JPS6318381U true JPS6318381U (en) 1988-02-06

Family

ID=30992957

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11225586U Pending JPS6318381U (en) 1986-07-22 1986-07-22

Country Status (1)

Country Link
JP (1) JPS6318381U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6452870U (en) * 1987-09-29 1989-03-31
JPH03287467A (en) * 1990-04-04 1991-12-18 Toyota Autom Loom Works Ltd Kickback preventing circuit
WO2006123839A1 (en) * 2005-05-20 2006-11-23 Nsk Ltd. Electric power steering system device controller

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5224608B2 (en) * 1972-08-28 1977-07-02
JPS6067262A (en) * 1983-09-21 1985-04-17 Hitachi Ltd Electric power steering control device
JPS60226359A (en) * 1984-04-23 1985-11-11 Toyoda Autom Loom Works Ltd Power steering device in industrial vehicles
JPS62181958A (en) * 1986-02-06 1987-08-10 Honda Motor Co Ltd Power-driven type power steering device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5224608B2 (en) * 1972-08-28 1977-07-02
JPS6067262A (en) * 1983-09-21 1985-04-17 Hitachi Ltd Electric power steering control device
JPS60226359A (en) * 1984-04-23 1985-11-11 Toyoda Autom Loom Works Ltd Power steering device in industrial vehicles
JPS62181958A (en) * 1986-02-06 1987-08-10 Honda Motor Co Ltd Power-driven type power steering device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6452870U (en) * 1987-09-29 1989-03-31
JPH03287467A (en) * 1990-04-04 1991-12-18 Toyota Autom Loom Works Ltd Kickback preventing circuit
WO2006123839A1 (en) * 2005-05-20 2006-11-23 Nsk Ltd. Electric power steering system device controller
JP5082846B2 (en) * 2005-05-20 2012-11-28 日本精工株式会社 Control device for electric power steering device

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