WO2012087023A2 - 건설중장비의 트랜스미션 컷 오프 제어장치 및 제어방법 - Google Patents
건설중장비의 트랜스미션 컷 오프 제어장치 및 제어방법 Download PDFInfo
- Publication number
- WO2012087023A2 WO2012087023A2 PCT/KR2011/009930 KR2011009930W WO2012087023A2 WO 2012087023 A2 WO2012087023 A2 WO 2012087023A2 KR 2011009930 W KR2011009930 W KR 2011009930W WO 2012087023 A2 WO2012087023 A2 WO 2012087023A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- transmission
- control unit
- cut
- height
- function
- 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.)
- Ceased
Links
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/10—Conjoint control of vehicle sub-units of different type or different function including control of change-speed gearings
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
- E02F9/2058—Electric or electro-mechanical or mechanical control devices of vehicle sub-units
- E02F9/2079—Control of mechanical transmission
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/20—Drives; Control devices
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
- E02F9/26—Indicating devices
- E02F9/264—Sensors and their calibration for indicating the position of the work tool
- E02F9/265—Sensors and their calibration for indicating the position of the work tool with follow-up actions (e.g. control signals sent to actuate the work tool)
Definitions
- the present invention relates to a transmission cut-off control device and a control method of construction equipment, and more particularly, to the clutch cut-off function is automatically released when the boom height detected by the displacement sensor is more than the set height or outside the set height range. .
- Heavy construction equipment such as wheel loaders have a clutch cut-off function that automatically makes the transmission neutral based on the brake pedal operation and the output of the engine.
- This clutch cut-off function automatically switches and maintains the transmission in a neutral state in order to cut off the power required by the driving components and to secure the power required for the operation when using a front work device such as a boom in a stationary state.
- the clutch cut-off function is activated, the brake is released for driving and the accelerator pedal is operated to connect the transmission to enable driving and braking.
- the driver when the driver uses the front work device frequently and needs to brake frequently or maintain the stop state, the driver automatically activates the clutch cut off function by operating the clutch cut off switch, so that the transmission is automatically neutralized depending on the situation. It is advantageous to do so. On the contrary, it is advantageous to operate the clutch cut-off switch to turn off the clutch cut-off function in the case where travel should be mainly performed.
- the clutch cut-off function is activated to cut off the power required for the transmission power, if necessary, By joining front power, excavation can be performed with sufficient power.
- the present invention has been made in view of the conventional situation as described above, the purpose is to automatically switch the clutch cut-off function according to the work type to improve the workability and productivity and to facilitate the driver's convenience It is to provide a transmission cut off control device and a control method of heavy construction equipment.
- Transmission cut-off control device for heavy construction equipment of the present invention for achieving the above object and a displacement sensor for detecting the boom height;
- a vehicle control unit to which a detection signal of the displacement sensor is input;
- a Transmission Control Unit connected to the vehicle control unit and controlling a transmission clutch cut-off function;
- a travel control proportional valve block connected to the transmission control unit and configured to perform travel control;
- a brake pressure sensor connected to the transmission control unit and configured to sense brake pedal pressure.
- the transmission cut-off control apparatus of the heavy construction equipment of the present invention may further include a clutch cut off switch connected to the transmission control unit and operating a transmission clutch cut off, and the displacement sensor 120. Angle sensors can be used.
- the transmission cut-off control method of the heavy construction equipment of the present invention includes the steps of detecting the height of the boom with a displacement sensor; Determining, by the vehicle control unit, whether the boom height detected by the displacement sensor is greater than or equal to a set height; And transmitting, by the transmission control unit, the clutch cut-off function if the boom height is greater than or equal to the set height according to the determination result of the vehicle control unit, and stopping the clutch cut-off function if the boom height is less than the set height.
- the transmission cut-off control method of the heavy construction equipment of the present invention includes the steps of detecting the height of the boom with a displacement sensor; Determining, by the vehicle control unit, whether the boom height detected by the displacement sensor is outside a set height; And transmitting, by the transmission control unit, the clutch cut-off function when the boom height is outside the set height according to the determination result of the vehicle control unit, and stopping the clutch cut-off function when the boom height is within the set height.
- the transmission power can be concentrated to the front to work with sufficient power, the boom
- the clutch cut-off function is automatically turned off to prevent the load from flowing due to the impact of the vehicle. Accordingly, it is possible to improve the workability as well as to enhance the operator's convenience, and of course, to shorten the working time required for excavation, dumping and loading of heavy equipment, thereby significantly improving productivity. It is possible to obtain such effects as.
- 1 is a configuration circuit diagram of an embodiment of the present invention.
- FIG. 1 shows a configuration circuit diagram of an embodiment of the present invention.
- Transmission cut-off control device of the heavy construction equipment of the present invention as shown in Figure 1 and the displacement sensor 120 for detecting the boom height;
- a vehicle control unit (VCU; Vehicle Control Unit) 110 to which the detection signal of the displacement sensor 120 is input;
- a transmission control unit (TCU) connected to the vehicle control unit (110) and controlling a transmission clutch cut-off function;
- a transmission control proportional valve block 150 connected to the transmission control unit 140 to perform traveling control; It is connected to the transmission control unit 140, the brake pressure sensor 160 for detecting the brake pedal pressure; includes.
- the transmission cut-off control apparatus of the heavy construction equipment of the present invention is connected to the transmission control unit 140, as shown in Figure 1, the clutch cut off switch 130 for operating the transmission clutch cut off (Clutch Cut Off Switch) It can be configured to include more.
- An angle sensor may be used as the displacement sensor 120 for detecting the boom height.
- FIG. 2 shows a control flowchart of an embodiment of the present invention.
- the transmission cut-off control device of the heavy construction equipment of the present invention configured as described above is the transmission control unit 140 at all times when the heavy-duty equipment driver wants to select the clutch cut-off function when the clutch cut-off switch 130 is turned on. Will wait to be neutral. At this time, when a series of detection signals (brake pressure signals and boom height detection signals) are input, the transmission control unit 140 determines the point of time at which the transmission is switched to a neutral state in response to the detection signals, and if necessary, the transmission is neutral. The proportional control valve block 150 is controlled to be in a state. This shifts the transmission to neutral, allowing the transmission power to concentrate on the front end. If the driver operates the clutch cut off switch 130 to turn off the clutch cut off switch function, the transmission receives power from the engine at all times.
- the general operation for the transmission neutralization is that the transmission control unit 140 is input to the detection signal of the brake pressure sensor 160 by pressing the brake pedal more than a predetermined amount.
- various engine-related parameters such as engine torque may be used as a reference signal for operation.
- the transmission cut-off control device for heavy construction equipment of the present invention has a clutch cut-off function when the boom height is higher than the set height (for example, 50% or more) or outside the set height range in a state where the clutch cut-off function is activated.
- the transmission control unit 140 is controlled so that it is off.
- the clutch even if the transmission cut-off function is activated.
- the cut off function is interrupted to prevent the transmission from becoming neutral during brake operation.
- the brake control signal is input to control the vehicle.
- Unit 110 controls transmission control unit 140 to make the transmission neutral. If the clutch cut-off function is not selected in this state, the transmission is not neutralized.
- the clutch cut-off function is carried out in the process of excavating the load of the low boom height or the dumping process of loading the load on the dump truck, etc., while the clutch cut-off function is in operation.
- Normal operation allows the transmission power to be concentrated on the front, enabling excavation and dumping with sufficient power.
- the transmission enters the neutral state even if the operator does not turn off the clutch cut-off switch during the high boom loading process. Since it is not possible to prevent the load from flowing due to the impact of the vehicle.
- Transmission cut-off control device and control method of the heavy construction equipment according to the present invention can be used to automatically execute the clutch cut-off function if the boom height detected by the displacement sensor is more than the set height or outside the set height range.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Chemical & Material Sciences (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
- Operation Control Of Excavators (AREA)
- Control Of Transmission Device (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
- Regulating Braking Force (AREA)
- Lifting Devices For Agricultural Implements (AREA)
Abstract
Description
Claims (5)
- 붐 높이를 감지하는 변위센서(120)와;상기 변위센서(120)의 감지신호가 입력되는 차량 제어 유닛(110; VCU; Vehicle Control Unit)와;상기 차량 제어 유닛(110)와 접속되고, 트랜스미션 클러치 컷 오프 기능을 제어하는 트랜스미션 제어 유닛(140; TCU; Transmission Control Unit)와;상기 트랜스미션 제어 유닛(140)와 접속되고, 브레이크 페달 압력을 감지하는 브레이크 압력 센서(160; Brake Press Sensor);를 포함하고,붐 높이가 설정높이 이상이면 클러치 컷 오프 기능을 오프시켜 차량이 주행 중에 트랜스미션이 중립상태가 되는 것을 방지하는 것을 특징으로 하는 건설중장비의 트랜스미션 컷 오프 제어장치.
- 제1항에 있어서, 상기 트랜스미션 제어 유닛(140)와 접속되고, 트랜스미션 클러치 컷 오프를 작동하는 클러치 컷 오프 스위치(130; Clutch Cut Off Switch);를 더 포함하는 건설중장비의 트랜스미션 컷 오프 제어장치.
- 제1항 또는 제2항에 있어서, 상기 변위센서(120)는 앵글센서(Angle Sensor)인 건설중장비의 트랜스미션 컷 오프 제어장치.
- 클러치 컷 오프 기능이 선택되었는지 확인하는 단계와;변위센서(120)로 감지된 붐 높이가 설정높이 이상인 가를 판단하는 단계와;붐 높이가 설정높이 이상이면 클러치 컷 오프 기능을 오프 시키고, 상기 붐 높이가 설정높이 미만이면 클러치 컷 오프 기능을 유지시키는 단계;를 포함하는 건설중장비의 트랜스미션 컷 오프 제어방법.
- 변위센서(120)로 붐 높이를 감지하는 단계와;차량 제어 유닛(110)가 변위센서(120)로 감지된 붐 높이가 설정높이 밖인 가를 판단하는 단계와;트랜스미션 제어 유닛(140)가 상기 차량 제어 유닛(110)의 판단 결과에 따라 붐 높이가 설정높이 밖이면 클러치 컷 오프 기능을 정지시키고, 붐 높이가 설정높이 내이면 클러치 컷 오프 기능을 작동시키는 단계;를 포함하는 건설중장비의 트랜스미션 컷 오프 제어방법.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/996,718 US9079578B2 (en) | 2010-12-21 | 2011-12-21 | Apparatus and method for controlling transmission cut-off of heavy construction equipment |
| CN201180061342.9A CN103270225B (zh) | 2010-12-21 | 2011-12-21 | 重型建筑设备的变速器切断控制装置及控制方法 |
| KR1020137015203A KR101491942B1 (ko) | 2010-12-21 | 2011-12-21 | 건설중장비의 트랜스미션 컷 오프 제어장치 및 제어방법 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020100131082A KR20120069788A (ko) | 2010-12-21 | 2010-12-21 | 건설중장비의 트랜스미션 컷 오프 제어장치 및 제어방법 |
| KR10-2010-0131082 | 2010-12-21 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2012087023A2 true WO2012087023A2 (ko) | 2012-06-28 |
| WO2012087023A3 WO2012087023A3 (ko) | 2012-10-04 |
Family
ID=46314629
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2011/009930 Ceased WO2012087023A2 (ko) | 2010-12-21 | 2011-12-21 | 건설중장비의 트랜스미션 컷 오프 제어장치 및 제어방법 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US9079578B2 (ko) |
| KR (2) | KR20120069788A (ko) |
| CN (1) | CN103270225B (ko) |
| WO (1) | WO2012087023A2 (ko) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102122615B1 (ko) * | 2014-03-10 | 2020-06-12 | 두산인프라코어 주식회사 | 건설기계의 트랜스미션 컷오프 제어장치 및 제어방법 |
| KR102597075B1 (ko) * | 2016-03-23 | 2023-11-01 | 에이치디현대인프라코어 주식회사 | 건설기계의 트랜스미션 컷오프 제어 장치 및 방법 |
| CN108067567A (zh) * | 2016-11-07 | 2018-05-25 | 无锡华润华晶微电子有限公司 | 一种切脚机 |
| KR102459514B1 (ko) * | 2017-03-31 | 2022-10-27 | 현대두산인프라코어 주식회사 | 건설기계의 제어 장치 및 건설기계의 제어 방법 |
| US20210009116A1 (en) * | 2018-03-20 | 2021-01-14 | Hitachi Construction Machinery Co., Ltd | Work Vehicle |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6371534A (ja) * | 1986-09-12 | 1988-03-31 | Nippon Denso Co Ltd | 内燃機関制御装置 |
| KR970011605B1 (ko) | 1994-04-30 | 1997-07-12 | 현대중장비산업 주식회사 | 트랜스 밋션 클러치의 컷 오프 제어시스템 및 그 작동방법 |
| KR100263831B1 (ko) * | 1997-07-31 | 2000-08-16 | 비센트 비.인그라시아 | 시간 분할 다중 액서스 시스템의 위상 록트 루프회로의 전력 절약 방법 및 그 장치 |
| US7344351B2 (en) * | 2003-09-12 | 2008-03-18 | Deere & Company | Electronic boom height sensor |
| KR101135236B1 (ko) * | 2004-12-07 | 2012-04-12 | 두산인프라코어 주식회사 | 트랜스미션 컷 오프 제어장치 및 제어방법 |
| JP2006168460A (ja) * | 2004-12-14 | 2006-06-29 | Advics:Kk | 車両用ブレーキ制御装置 |
| JP2006200640A (ja) * | 2005-01-21 | 2006-08-03 | Hitachi Ltd | 自動変速機の制御装置及び制御方法 |
| SE533161C2 (sv) * | 2005-10-14 | 2010-07-13 | Komatsu Mfg Co Ltd | Anordning och metod för att styra motor och hydraulpump hos ett arbetsfordon |
| KR101187096B1 (ko) | 2008-05-09 | 2012-09-28 | 현대중공업 주식회사 | 건설장비용 전자제어 제동 및 클러치 해제장치 |
| JP2010115980A (ja) * | 2008-11-11 | 2010-05-27 | Toyota Motor Corp | 車両用動力伝達装置の制御装置 |
| JP2010208523A (ja) * | 2009-03-11 | 2010-09-24 | Aisin Ai Co Ltd | 車両の動力伝達制御装置 |
| CN102428290B (zh) * | 2009-03-18 | 2013-01-23 | 株式会社小松制作所 | 工程车辆 |
-
2010
- 2010-12-21 KR KR1020100131082A patent/KR20120069788A/ko active Pending
-
2011
- 2011-12-21 CN CN201180061342.9A patent/CN103270225B/zh not_active Expired - Fee Related
- 2011-12-21 KR KR1020137015203A patent/KR101491942B1/ko not_active Expired - Fee Related
- 2011-12-21 WO PCT/KR2011/009930 patent/WO2012087023A2/ko not_active Ceased
- 2011-12-21 US US13/996,718 patent/US9079578B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| US20130268167A1 (en) | 2013-10-10 |
| KR101491942B1 (ko) | 2015-02-09 |
| CN103270225B (zh) | 2016-08-10 |
| KR20120069788A (ko) | 2012-06-29 |
| WO2012087023A3 (ko) | 2012-10-04 |
| KR20130105683A (ko) | 2013-09-25 |
| US9079578B2 (en) | 2015-07-14 |
| CN103270225A (zh) | 2013-08-28 |
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