KR20030033170A - Automotive power take off system - Google Patents

Automotive power take off system Download PDF

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Publication number
KR20030033170A
KR20030033170A KR1020010064431A KR20010064431A KR20030033170A KR 20030033170 A KR20030033170 A KR 20030033170A KR 1020010064431 A KR1020010064431 A KR 1020010064431A KR 20010064431 A KR20010064431 A KR 20010064431A KR 20030033170 A KR20030033170 A KR 20030033170A
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KR
South Korea
Prior art keywords
pto
solenoid valve
vacuum
control unit
power take
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KR1020010064431A
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Korean (ko)
Inventor
김두용
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기아자동차주식회사
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Priority to KR1020010064431A priority Critical patent/KR20030033170A/en
Publication of KR20030033170A publication Critical patent/KR20030033170A/en

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/28Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or type of power take-off
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K25/00Auxiliary drives
    • B60K25/06Auxiliary drives from the transmission power take-off
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60YINDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2300/00Purposes or special features of road vehicle drive control systems
    • B60Y2300/18Propelling the vehicle
    • B60Y2300/188Controlling power parameters of the driveline, e.g. determining the required power
    • B60Y2300/1886Controlling power supply to auxiliary devices
    • B60Y2300/1888Control of power take off [PTO]

Abstract

PURPOSE: A PTO(Power Take Off) system of a vehicle is provided to improve installation, assembly, and an operation by using an electronic control and vacuum pressure. CONSTITUTION: A PTO(Power Take Off) system of a vehicle includes a PTO operating switch(1); a PTO control unit(2); a solenoid valve(3); a vacuum pump(4); a vacuum cylinder(5); and a PTO(6). The PTO takes off power for specific use irrelevant to the traveling of the vehicle. The PTO operating switch turns on and off an operation of the PTO. The PTO control unit is connected to the PTO operating switch electrically to control the operation of PTO. The solenoid valve is connected to the PTO control unit electrically and operated by the PTO control unit. The vacuum pump is connected to an inlet port of the solenoid valve. The vacuum cylinder is connected to an outlet port. The vacuum cylinder takes off power from the PTO by the supply of vacuum pressure from the vacuum pump. Thereby, installation, assembly, and an operation are improved.

Description

자동차용 동력 인출 시스템{Automotive power take off system}Automotive power take off system {Automotive power take off system}

본 발명은 자동차용 동력 인출 시스템에 관한 것으로, 더욱 상세하게는 전자 제어 시스템을 이용하여 동력 인출 장치의 장착성, 조립성, 및 조작성 등을 향상시킨 동력 인출 시스템에 관한 것이다.BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a power take-off system for automobiles, and more particularly, to a power take-off system that improves the mountability, assemblability, and operability of a power take-off device using an electronic control system.

널리 알려진 바와 같이, 동력 인출 장치(Power Take Off, 이하, PTO라 함)는 엔진의 동력을 자동차의 주행과는 관계없는 특수 용도에 이용하기 위해 설치한 장치로서, 변속기의 부축기어에 PTO의 공전기어를 슬라이딩시켜 동력을 인출한다. 동력 인출의 단속은 PTO의 공전 기어를 물리고 이탈시켜야 하며, 덤프 트럭의 오일 펌프 구동 및 소방 자동차의 물펌프 구동 등에 이용한다.As is well known, a power take-off device (hereinafter referred to as a PTO) is a device installed to use engine power for a special purpose irrespective of driving a vehicle. Sliding gears draw power. Power take-off enforcement must bite off the idler gear of the PTO and use it to drive the oil pump of the dump truck and the water pump of the fire truck.

이러한 PTO를 작동시키기 위한 시스템으로, 종래에는 케이블이나 링크에 의한 기계식 제어 장치를 이용한 기계식 동력 인출 시스템이 있으며, 이러한 기계식 동력 인출 시스템은 운전석 또는 대쉬 패널 상에 작동 레버를 장착하고, 이러한 작동 레버에 연결된 케이블이나 링크 조작 기구에 의해 변속기에 장착된 PTO를 작동시켜 구동시킨다.As a system for operating such a PTO, there is conventionally a mechanical power take-off system using a mechanical control device by a cable or a link, and the mechanical power take-off system mounts an operation lever on a driver's seat or a dash panel, The PTO attached to the transmission is driven by a connected cable or link operation mechanism.

하지만, 이러한 종래의 기계식 동력 인출 시스템은 상술한 각종 케이블 또는 링크 기구 등에 의해 그 장착 작업이 곤란하며, 또한, 그 장착된 구조가 매우 복잡하여 차량의 조립 레이 아웃상에 상당한 제약이 따르는 문제점이 있었다.However, such a conventional mechanical power take-off system is difficult to install by the above-mentioned various cables or link mechanisms, and also has a problem that the attached structure is very complicated and a considerable restriction is placed on the assembly layout of the vehicle. .

또한, 이러한 종래의 기계식 동력 인출 시스템은 그 조작이 곤란하여, 작동중에 PTO 기어가 이탈되어 작동오류가 발생하는 단점이 있었다.In addition, the conventional mechanical power take-off system has a disadvantage in that its operation is difficult, the operation error is generated by the PTO gear is separated during operation.

따라서, 본 발명은 상기와 같은 점을 감안하여 안출한 것으로, 전자 제어 및 진공압을 이용하여 장착성, 조립성, 조작성 등을 향상시킨 자동차용 동력 인출 시스템을 제공하는 데 그 목적이 있다.Accordingly, the present invention has been made in view of the above, and an object thereof is to provide a power take-off system for automobiles which has improved the mountability, assemblability, operability, etc. using electronic control and vacuum pressure.

도 1은 본 발명의 자동차용 동력 인출 시스템의 개념도이다.1 is a conceptual diagram of a power take-off system for automobiles of the present invention.

* 도면의 주요 부분에 대한 부호의 설명** Explanation of symbols for the main parts of the drawings *

1 : PTO 작동 스위치2 : PTO 제어부1: PTO operation switch 2: PTO control unit

3 : 솔레노이드 밸브4 : 진공 펌프3: solenoid valve 4: vacuum pump

5 : 진공 실린더6 : PTO5: vacuum cylinder 6: PTO

상기와 같은 목적을 달성하기 위한 본 발명은, 자동차의 주행과는 관계없는 특수 용도에 이용되는 동력을 인출하는 PTO; PTO의 작동을 온, 오프 시키는 PTO 작동 스위치; PTO 작동 스위치에 전기적으로 연결되고, PTO의 작동을 제어하는 PTO 제어부; PTO 제어부에 의해 작동하도록 전기적으로 연결된 솔레노이드 밸브; 솔레노이드 밸브의 입구측 포트에 연결된 진공 펌프; 및 솔레노이드 밸브의 출구측 포트에 연결되고, 솔레노이드 밸브의 작동에 의해 진공 펌프로부터 발생된 진공압이 공급됨에 따라, PTO로부터 동력을 인출하는 진공 실린더를 포함한다.The present invention for achieving the above object, PTO for drawing out the power used for special purposes irrespective of the driving of the vehicle; A PTO operation switch for turning on and off the operation of the PTO; A PTO control unit electrically connected to the PTO operation switch and controlling the operation of the PTO; A solenoid valve electrically connected to be operated by the PTO control; A vacuum pump connected to the inlet port of the solenoid valve; And a vacuum cylinder connected to the outlet side port of the solenoid valve and drawing power from the PTO as the vacuum pressure generated from the vacuum pump is supplied by the operation of the solenoid valve.

바람직하게는, PTO 제어부는 엔진 ECU에 전기적으로 연결된다.Preferably, the PTO control is electrically connected to the engine ECU.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예를 상세히 설명한다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명의 일 실시예에 따른 자동차용 동력 인출 시스템을 도시한다.1 illustrates a power take-off system for an automobile according to an embodiment of the present invention.

도시된 바와 같이, 본 발명의 자동차용 동력 인출 시스템은 PTO 작동 스위치(1)와, PTO 작동 스위치(1)에 전기적으로 연결된 PTO 제어부(2)와, PTO 제어부(2)에 전기적으로 연결된 솔레노이드 밸브(3)와, 솔레노이드 밸브(3)의 입구측 포트에 연결된 진공 펌프(4)와, 솔레노이드 밸브(3)의 출구측 포트에 연결된 진공 실린더(5)와, 진공 실린더(5)의 부압에 의해 동력을 인출하는 PTO(6)를 포함한다.As shown, the power take-off system for automobiles of the present invention has a PTO operating switch 1, a PTO control unit 2 electrically connected to the PTO operating switch 1, and a solenoid valve electrically connected to the PTO control unit 2; (3), the vacuum pump (4) connected to the inlet port of the solenoid valve (3), the vacuum cylinder (5) connected to the outlet port of the solenoid valve (3), and the negative pressure of the vacuum cylinder (5) And a PTO 6 for drawing power.

PTO 작동 스위치(1)는 운전자의 손이 닿는 소정의 위치에 장착되고, 시동키 단자(9)에 직렬로 연결된다.The PTO actuation switch 1 is mounted at a predetermined position within reach of the driver and is connected in series to the ignition key terminal 9.

PTO 제어부(2)에는 상술한 PTO 작동 스위치(1)와, 클러치 페달 온/ 오프 스위치(2a)와, 속도 센서(2b)가 전기적으로 연결된다. PTO 제어부(2)는 PTO 작동 스위치(1)의 온/오프 여부, 클러치 페달의 동력 차단 신호, 차량의 정지 상태 등을 감지하여, 후술하는 솔레노이드 밸브(3)의 구동을 제어한다.The PTO control switch 2 is electrically connected to the above-described PTO operation switch 1, the clutch pedal on / off switch 2a, and the speed sensor 2b. The PTO control unit 2 detects whether the PTO operation switch 1 is on or off, a power cut signal of the clutch pedal, a stop state of the vehicle, and the like, and controls the driving of the solenoid valve 3 to be described later.

솔레노이드 밸브(3)는 통상적인 입구, 출구, 배기구의 3 포트를 구비한 3 포트 밸브를 이용하며, 상술한 PTO 제어부(2)에 전기적으로 연결된다.The solenoid valve 3 uses a three-port valve having three ports of conventional inlet, outlet, and exhaust ports, and is electrically connected to the above-described PTO control unit 2.

진공 펌프(4)는 솔레노이드 밸브(3)의 입구측 포트에 공압 튜브를 통해 연결되고, 상술한 PTO 제어부(2)의 제어 신호에 의해 진공압을 공급한다.The vacuum pump 4 is connected to the inlet port of the solenoid valve 3 via a pneumatic tube, and supplies the vacuum pressure by the control signal of the PTO control unit 2 described above.

진공 실린더(5)는 솔레노이드 밸브(3)의 출구측 포트에 연결되고, 진공 펌프(4)로부터 발생한 진공압에 의해 하중이 발생된다.The vacuum cylinder 5 is connected to the outlet side port of the solenoid valve 3, and a load is generated by the vacuum pressure generated from the vacuum pump 4.

PTO(6)는 진공 실린더(5)로부터 발생한 하중에 의해 동력이 인출되도록 진공 실린더(5)측에 설치된다.The PTO 6 is provided on the vacuum cylinder 5 side such that power is drawn out by the load generated from the vacuum cylinder 5.

PTO 작동 스위치(1)가 온 되면, PTO 제어부(2)는 클러치 페달 온/ 오프 스위치(2a), 및 속도 센서(2b)로부터 클러치 페달의 동력 차단 신호 및 차량이 정지 상태인지를 감지하여 솔레노이드 밸브(3)가 작동하도록 제어한다.When the PTO operation switch 1 is turned on, the PTO control unit 2 detects the power off signal of the clutch pedal and the vehicle from the clutch pedal on / off switch 2a and the speed sensor 2b and whether the vehicle is in a stopped state. (3) Control to work.

솔레노이드 밸브(3)는 진공 펌프(4)로부터 발생한 진공압이 진공 실린더(5)에 작용하도록 유로를 개, 폐한다. 이때, 진공 실린더(5)에는 상술한 진공압에 의해 하중이 발생하며, 이러한 하중에 의해 진공 실린더(5)의 피스톤로드가 이동하면서, PTO(6)로부터 동력을 인출한다.The solenoid valve 3 opens and closes a flow path so that the vacuum pressure generated from the vacuum pump 4 acts on the vacuum cylinder 5. At this time, a load is generated in the vacuum cylinder 5 by the above-mentioned vacuum pressure, and the piston rod of the vacuum cylinder 5 is moved by this load, and the power is drawn out from the PTO 6.

한편, 본 발명은 기계식 및 전자식 연료 분사 시스템 모두에 적용가능하며, 전자식 연료 분사 시스템의 경우에는, PTO 제어부(2)는 엔진 ECU(10)에 전기적으로 연결된다. 이는 PTO를 구동하기 위해서는 상용 RPM이 대략 1500~2000RPM 영역에서 작동하기 때문에, PTO 작동시 엔진 아이들링 RPM을 상용 RPM 영역으로 상승시키기 위해서이다.On the other hand, the present invention is applicable to both mechanical and electronic fuel injection systems, and in the case of an electronic fuel injection system, the PTO control unit 2 is electrically connected to the engine ECU 10. This is to increase the engine idling RPM to the commercial RPM range during PTO operation because the commercial RPM operates in the region of approximately 1500 ~ 2000 RPM to drive the PTO.

상기와 같은 본 발명은 전자 제어 및 진공압을 이용하여 그 장착성, 조립성, 조작성 등을 향상시킨 매우 뛰어난 효과가 있다.The present invention as described above has a very excellent effect of improving the mounting, assembly, operability, etc. using electronic control and vacuum pressure.

이상에서는, 본 발명을 특정의 바람직한 실시예에 대해서 도시하고 설명하였다. 그러나, 본 발명은 상술한 실시예에만 한정되는 것은 아니며 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자라면 이하의 특허청구범위에 기재된 본 발명의 기술적 사상의 요지를 벗어남이 없이 얼마든지 다양하게 변경실시할 수 있을 것이다.In the above, the present invention has been illustrated and described with respect to certain preferred embodiments. However, the present invention is not limited only to the above-described embodiments, and those skilled in the art to which the present invention pertains can vary as many without departing from the spirit of the technical idea of the present invention described in the claims below. Modifications may be made.

Claims (2)

자동차의 주행과는 관계없는 특수 용도에 이용되는 동력을 인출하는 PTO;PTO for drawing out power used for special purposes irrespective of the driving of a vehicle; 상기 PTO의 작동을 온, 오프 시키는 PTO 작동 스위치;A PTO operation switch for turning on and off the operation of the PTO; 상기 PTO 작동 스위치에 전기적으로 연결되고, 상기 PTO의 작동을 제어하는 PTO 제어부;A PTO controller electrically connected to the PTO operation switch and controlling the operation of the PTO; 상기 PTO 제어부에 의해 작동하도록 전기적으로 연결된 솔레노이드 밸브;A solenoid valve electrically connected to be operated by the PTO control unit; 상기 솔레노이드 밸브의 입구측 포트에 연결된 진공 펌프; 및A vacuum pump connected to the inlet port of the solenoid valve; And 상기 솔레노이드 밸브의 출구측 포트에 연결되고, 상기 솔레노이드 밸브의 작동에 의해 상기 진공 펌프로부터 발생된 진공압이 공급됨에 따라, 상기 PTO로부터 동력을 인출하는 진공 실린더를 포함하는 것을 특징으로 하는 자동차용 동력 인출 시스템.And a vacuum cylinder connected to an outlet port of the solenoid valve and drawing power from the PTO as the vacuum pressure generated from the vacuum pump is supplied by the operation of the solenoid valve. Withdrawal system. 제 1항에 있어서, 상기 PTO 제어부는 엔진 ECU에 전기적으로 연결되는 것을 특징으로 하는 자동차용 동력 인출 시스템.The system of claim 1, wherein the PTO control unit is electrically connected to an engine ECU.
KR1020010064431A 2001-10-18 2001-10-18 Automotive power take off system KR20030033170A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100806622B1 (en) * 2007-03-19 2008-02-25 신흥정공 주식회사 Pto control equipment of tank lorry
CN102069709A (en) * 2010-12-29 2011-05-25 徐工集团工程机械股份有限公司建设机械分公司 Wheel-chassis construction machinery and automobile power-take-off control system thereof
CN110087931A (en) * 2016-12-22 2019-08-02 斯堪尼亚商用车有限公司 Power output device and its component
KR102448686B1 (en) * 2022-04-05 2022-09-29 주식회사 비오에이 Fire truck PTO emergency control device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100806622B1 (en) * 2007-03-19 2008-02-25 신흥정공 주식회사 Pto control equipment of tank lorry
CN102069709A (en) * 2010-12-29 2011-05-25 徐工集团工程机械股份有限公司建设机械分公司 Wheel-chassis construction machinery and automobile power-take-off control system thereof
CN110087931A (en) * 2016-12-22 2019-08-02 斯堪尼亚商用车有限公司 Power output device and its component
KR102448686B1 (en) * 2022-04-05 2022-09-29 주식회사 비오에이 Fire truck PTO emergency control device

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