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HYDRAULIC PUMP CONTROL APPARATUS FOR CONSTRUCTION EQUIPMENT AND CONTROL METHOD THEREOF
Disclosed is a hydraulic pump control apparatus and method for using the maximum working horse power of an engine. The provided hydraulic pump control apparatus for construction equipment, according to the present invention, comprises: a first hydraulic pump; a first hydraulic actuator driven by the hydraulic oil of the first hydraulic pump; a first control valve installed on the fluid channel of the first hydraulic pump; a second hydraulic pump connected to a power take-off apparatus of an engine; a second hydraulic actuator driven by the hydraulic oil of the second hydraulic pump; a second control valve installed on the fluid channel of the second hydraulic pump; a pressure sensor that detects the pressure of the second hydraulic pump; a regulator that controls the amount of oil discharged from the first hydraulic pump; and a controller that computes a horse power value using the detected pressure value of the second hydraulic pump and the amount of oil discharged from the second hydraulic pump and inputs a control signal to the regulator to discharge an amount of oil that corresponds to the difference between the maximum working horse power value of the engine and the computed horse power value of the second hydraulic pump.
L'invention concerne un appareil de commande de pompe hydraulique et un procédé associé permettant d'utiliser la puissance maximale en chevaux d'un moteur. L'appareil de commande de pompe hydraulique pour équipement de construction selon la présente invention comprend une première pompe hydraulique; un premier actionneur hydraulique entraîné par l'huile hydraulique de la première pompe hydraulique; une première soupape de commande installée sur le canal de fluide de la première pompe hydraulique; une seconde pompe hydraulique reliée à un appareil de prise de force d'un moteur; un second actionneur hydraulique entraîné par l'huile hydraulique de la seconde pompe hydraulique; une seconde soupape de commande installée sur le canal de fluide de la seconde pompe hydraulique; un capteur de pression qui détecte la pression de la seconde pompe hydraulique; un régulateur qui commande la quantité d'huile refoulée par la première pompe hydraulique; et un dispositif de commande qui calcule une valeur de puissance en chevaux à l'aide de la valeur de pression détectée de la seconde pompe hydraulique et de la quantité d'huile refoulée par la seconde pompe hydraulique et fournit un signal de commande au régulateur pour refouler une quantité d'huile qui correspond à la différence entre la puissance en chevaux maximale du moteur et la puissance calculée en chevaux de la seconde pompe hydraulique.
엔진의 최대 사용마력을 사용하기 위한 유압펌프 제어장치 및 방법을 개시한다. 본 발명에 따른 유압펌프 제어장치에 있어서, 제1유압펌프; 제1유압펌프의 작동유에 의해 구동되는 제1유압 액츄에이터; 제1유압펌프의 유로에 설치되는 제1컨트롤밸브; 엔진의 동력인출장치에 연결되는 제2유압펌프; 제2유압펌프의 작동유에 의해 구동되는 제2유압 액츄에이터; 제2유압펌프의 유로에 설치되는 제2컨트롤밸브; 제2유압펌프의 압력을 검출하는 압력센서; 제1유압펌프의 토출 유량을 제어하는 레귤레이터; 제2유압펌프의 검출된 압력값과 제2유압펌프의 토출유량을 이용하여 마력값을 연산하되, 엔진의 사용 최대마력값에서 제2유압펌프의 연산된 마력값의 차이에 대응되는 유량을 토출시키도록 레귤레이터에 제어신호를 입력하는 컨트롤러;를 구비하는 것을 특징으로 하는 건설기계용 유압펌프 제어장치를 제공한다.
HYDRAULIC PUMP CONTROL APPARATUS FOR CONSTRUCTION EQUIPMENT AND CONTROL METHOD THEREOF
Disclosed is a hydraulic pump control apparatus and method for using the maximum working horse power of an engine. The provided hydraulic pump control apparatus for construction equipment, according to the present invention, comprises: a first hydraulic pump; a first hydraulic actuator driven by the hydraulic oil of the first hydraulic pump; a first control valve installed on the fluid channel of the first hydraulic pump; a second hydraulic pump connected to a power take-off apparatus of an engine; a second hydraulic actuator driven by the hydraulic oil of the second hydraulic pump; a second control valve installed on the fluid channel of the second hydraulic pump; a pressure sensor that detects the pressure of the second hydraulic pump; a regulator that controls the amount of oil discharged from the first hydraulic pump; and a controller that computes a horse power value using the detected pressure value of the second hydraulic pump and the amount of oil discharged from the second hydraulic pump and inputs a control signal to the regulator to discharge an amount of oil that corresponds to the difference between the maximum working horse power value of the engine and the computed horse power value of the second hydraulic pump.
L'invention concerne un appareil de commande de pompe hydraulique et un procédé associé permettant d'utiliser la puissance maximale en chevaux d'un moteur. L'appareil de commande de pompe hydraulique pour équipement de construction selon la présente invention comprend une première pompe hydraulique; un premier actionneur hydraulique entraîné par l'huile hydraulique de la première pompe hydraulique; une première soupape de commande installée sur le canal de fluide de la première pompe hydraulique; une seconde pompe hydraulique reliée à un appareil de prise de force d'un moteur; un second actionneur hydraulique entraîné par l'huile hydraulique de la seconde pompe hydraulique; une seconde soupape de commande installée sur le canal de fluide de la seconde pompe hydraulique; un capteur de pression qui détecte la pression de la seconde pompe hydraulique; un régulateur qui commande la quantité d'huile refoulée par la première pompe hydraulique; et un dispositif de commande qui calcule une valeur de puissance en chevaux à l'aide de la valeur de pression détectée de la seconde pompe hydraulique et de la quantité d'huile refoulée par la seconde pompe hydraulique et fournit un signal de commande au régulateur pour refouler une quantité d'huile qui correspond à la différence entre la puissance en chevaux maximale du moteur et la puissance calculée en chevaux de la seconde pompe hydraulique.
엔진의 최대 사용마력을 사용하기 위한 유압펌프 제어장치 및 방법을 개시한다. 본 발명에 따른 유압펌프 제어장치에 있어서, 제1유압펌프; 제1유압펌프의 작동유에 의해 구동되는 제1유압 액츄에이터; 제1유압펌프의 유로에 설치되는 제1컨트롤밸브; 엔진의 동력인출장치에 연결되는 제2유압펌프; 제2유압펌프의 작동유에 의해 구동되는 제2유압 액츄에이터; 제2유압펌프의 유로에 설치되는 제2컨트롤밸브; 제2유압펌프의 압력을 검출하는 압력센서; 제1유압펌프의 토출 유량을 제어하는 레귤레이터; 제2유압펌프의 검출된 압력값과 제2유압펌프의 토출유량을 이용하여 마력값을 연산하되, 엔진의 사용 최대마력값에서 제2유압펌프의 연산된 마력값의 차이에 대응되는 유량을 토출시키도록 레귤레이터에 제어신호를 입력하는 컨트롤러;를 구비하는 것을 특징으로 하는 건설기계용 유압펌프 제어장치를 제공한다.
HYDRAULIC PUMP CONTROL APPARATUS FOR CONSTRUCTION EQUIPMENT AND CONTROL METHOD THEREOF
APPAREIL DE COMMANDE DE POMPE HYDRAULIQUE POUR ÉQUIPEMENT DE CONSTRUCTION ET PROCÉDÉ DE COMMANDE ASSOCIÉ
건설기계용 유압펌프 제어장치 및 그 제어방법
JO SUNG-YONG (author) / PARK HYUNG-SEOK (author) / LEE JAE-HOON (author)
2016-07-14
Patent
Electronic Resource
Korean
IPC:
E02F
Baggern
,
DREDGING
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