JPS591846U - Construction machinery engine control device - Google Patents

Construction machinery engine control device

Info

Publication number
JPS591846U
JPS591846U JP9583482U JP9583482U JPS591846U JP S591846 U JPS591846 U JP S591846U JP 9583482 U JP9583482 U JP 9583482U JP 9583482 U JP9583482 U JP 9583482U JP S591846 U JPS591846 U JP S591846U
Authority
JP
Japan
Prior art keywords
rotation speed
engine
relay
control device
turns
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
JP9583482U
Other languages
Japanese (ja)
Inventor
北田　智夫
Original Assignee
株式会社小松製作所
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 株式会社小松製作所 filed Critical 株式会社小松製作所
Priority to JP9583482U priority Critical patent/JPS591846U/en
Publication of JPS591846U publication Critical patent/JPS591846U/en
Pending legal-status Critical Current

Links

Landscapes

  • Electrical Control Of Air Or Fuel Supplied To Internal-Combustion Engine (AREA)
  • High-Pressure Fuel Injection Pump Control (AREA)
  • Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
  • Control Of Vehicle Engines Or Engines For Specific Uses (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) [Abstract] 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]

図面はこの考案の一実施例を示す回路図である。 １はエンジン、２は回転数設定器、３は差動増幅器、４
は回転数検出器、７は増速リレ、８は減速リレ、１０は
アクチュエータ、１２は燃料制御レノく。The drawing is a circuit diagram showing an embodiment of this invention. 1 is the engine, 2 is the rotation speed setting device, 3 is the differential amplifier, 4
1 is a rotation speed detector, 7 is a speed increasing relay, 8 is a deceleration relay, 10 is an actuator, and 12 is a fuel control valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] エンジン１の回転数を任意に設定する回転数設定器２と
、上記エンジン１の回転数を検出する回転検出器４と、
上記回転数設定器２で設定された値と、回転数検出器４
で検出した値を比較し、検出値より設定値が大きい場合
に増速リレ７を、また小さい場合に減速り゛し８をオン
する差動増幅器３と、上記増速リレ７のオンと共にエン
ジン１の・燃料制御レバ１２を増速方向へまた減速リレ
８のオンと共に燃料制御レバ１２を減速方向へ駆動する
アクチュエータ１０とを具備してなる建設機械のエンジ
ン制御装置。a rotation speed setting device 2 for arbitrarily setting the rotation speed of the engine 1; a rotation detector 4 for detecting the rotation speed of the engine 1;
The value set by the rotation speed setting device 2 and the rotation speed detector 4
The differential amplifier 3 compares the detected values and turns on the speed increasing relay 7 when the set value is larger than the detected value, and turns on the deceleration relay 8 when it is smaller, and when the speed increasing relay 7 is turned on, the engine 1. An engine control device for a construction machine comprising an actuator 10 that drives a fuel control lever 12 in the speed increasing direction and turns on the deceleration relay 8 and drives the fuel control lever 12 in the deceleration direction.
JP9583482U 1982-06-28 1982-06-28 Construction machinery engine control device Pending JPS591846U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9583482U JPS591846U (en) 1982-06-28 1982-06-28 Construction machinery engine control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9583482U JPS591846U (en) 1982-06-28 1982-06-28 Construction machinery engine control device

Publications (1)

Publication Number Publication Date
JPS591846U true JPS591846U (en) 1984-01-07

Family

ID=30228672

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9583482U Pending JPS591846U (en) 1982-06-28 1982-06-28 Construction machinery engine control device

Country Status (1)

Country Link
JP (1) JPS591846U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56159580A (en) * 1980-05-13 1981-12-08 Hitachi Constr Mach Co Ltd Method of controlling system including internal combustion engine and hydraulic pump

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56159580A (en) * 1980-05-13 1981-12-08 Hitachi Constr Mach Co Ltd Method of controlling system including internal combustion engine and hydraulic pump

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