WO2014007413A1 - 팬의 회전력을 이용한 하이브리드 건설기계의 배터리 충전 시스템 및 그의 충전 방법 - Google Patents
팬의 회전력을 이용한 하이브리드 건설기계의 배터리 충전 시스템 및 그의 충전 방법 Download PDFInfo
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- WO2014007413A1 WO2014007413A1 PCT/KR2012/005339 KR2012005339W WO2014007413A1 WO 2014007413 A1 WO2014007413 A1 WO 2014007413A1 KR 2012005339 W KR2012005339 W KR 2012005339W WO 2014007413 A1 WO2014007413 A1 WO 2014007413A1
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- fan
- rotation speed
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- rotational speed
- speed
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/14—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from dynamo-electric generators driven at varying speed, e.g. on vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT 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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/28—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the electric energy storing means, e.g. batteries or capacitors
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- 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
- B60W10/24—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means
- B60W10/26—Conjoint control of vehicle sub-units of different type or different function including control of energy storage means for electrical energy, e.g. batteries or capacitors
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- 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
- B60W10/30—Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
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- 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
- B60W20/00—Control systems specially adapted for hybrid vehicles
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- 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
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/10—Controlling the power contribution of each of the prime movers to meet required power demand
- B60W20/13—Controlling the power contribution of each of the prime movers to meet required power demand in order to stay within battery power input or output limits; in order to prevent overcharging or battery depletion
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- 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
- E02F9/2091—Control of energy storage means for electrical energy, e.g. battery or capacitors
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- 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
- E02F9/2095—Control of electric, electro-mechanical or mechanical equipment not otherwise provided for, e.g. ventilators, electro-driven fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
- F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
- F01P7/044—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using hydraulic drives
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/022—Units comprising pumps and their driving means comprising a yielding coupling, e.g. hydraulic
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
- F04D27/004—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by varying driving speed
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P2025/00—Measuring
- F01P2025/08—Temperature
- F01P2025/30—Engine incoming fluid temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/60—Application making use of surplus or waste energy
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/42—Storage of energy
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/90—Braking
- F05D2260/903—Braking using electrical or magnetic forces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
- G01K13/024—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow of moving gases
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K13/00—Thermometers specially adapted for specific purposes
- G01K13/02—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow
- G01K13/026—Thermometers specially adapted for specific purposes for measuring temperature of moving fluids or granular materials capable of flow of moving liquids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Definitions
- the present invention relates to a battery charging system and a charging method of the hybrid construction machine using the rotational power of the fan, and more particularly, to save the fuel consumption by saving the engine operating time by storing the electrical energy generated by the rotational power of the fan in the battery
- the present invention relates to a battery charging system and a charging method thereof of a hybrid construction machine using a rotational force of a fan.
- a coolant circulation system including a DC bus connected to the swing motor through the inverter circuit, a battery connected to the DC bus through the step-up converter and the switch, a controller for driving the inverter circuit and the step-up converter, and a pump motor; And an inverter circuit connected to the DC bus and driving the pump motor.
- the controller has a mode for lowering the voltage of the DC bus, and in this mode, the inverter circuit is operated after the switch is disconnected, thereby consuming power to the pump motor.
- the present invention was developed to solve the above problems, and when the cooling water temperature is low by mounting a braking device and a controller to reduce the fan rotation speed by the braking device to generate more electric energy
- the battery charging system of the hybrid construction machine using the rotational power of the fan, and the electrical energy generated during rotation is stored in the battery (Battery) to provide a useful energy recovery system for the charging system of the hybrid system and its It is an object to provide a charging method.
- a charging method for a hybrid construction machine battery charging system having a predetermined fan, a controller for controlling the braking device of the fan, and a battery for charging electric energy, the controller comprising a current coolant temperature, hydraulic oil temperature, and engine intake air. Controlling the braking device to reduce the fan rotation speed to the target rotation speed when the current target fan rotation speed obtained according to the temperature is smaller than the actual fan rotation speed at the time of measurement; And charging the battery with electric energy due to the rotational force generated when the rotational speed of the fan is reduced from the actual fan rotational speed at the time of measurement to the target rotational speed by a braking device. do.
- the controlling of the braking device may be performed according to the current coolant temperature, the hydraulic oil temperature, and the engine intake air temperature by using the target fan rotation speed set by the controller differently according to the coolant temperature, the hydraulic oil temperature, and the engine intake air temperature.
- Obtaining a current target fan rotational speed comparing the obtained current target rotational speed with the actual fan rotational speed at the time of measurement, and if the target rotational speed is greater than the actual fan rotational speed at the time of measurement, Outputting the first control signal to the fan to increase the fan rotation speed to a target rotation speed; and when the comparison result shows that the fan rotation speed is smaller than the actual fan rotation speed at the time of measurement, the fan rotation speed is increased to the target rotation speed.
- Outputting a second control signal to the braking device to reduce the And a gong.
- Velocity measuring means for measuring the actual fan rotation speed at the time of measurement, the current target fan rotation speed determined according to the current coolant temperature, the hydraulic oil temperature, and the engine intake air temperature is smaller than the actual fan rotation speed at the measurement measured by the speed measurement means.
- a controller for outputting a control signal to reduce the fan rotation speed to the target rotation speed, a braking device for braking the rotation operation of the fan under control of the controller, and a rotation speed of the fan by the braking device. It characterized in that it comprises a battery for charging the electrical energy by the rotational force generated when the reduction from the actual fan rotational speed at the measurement to the target rotational speed.
- the controller obtains the current target fan rotational speed according to the current coolant temperature, the hydraulic oil temperature, the engine intake air temperature by using a target fan rotational speed set differently according to the coolant temperature, the hydraulic oil temperature, the engine intake air temperature. And comparing the obtained current target rotational speed with the actual fan rotational speed at the time of measurement to increase the fan rotational speed up to the target rotational speed if the target rotational speed is greater than the actual fan rotational speed at the time of measurement. 1 outputting a control signal to the fan, and outputting a second control signal to the braking device to reduce the fan rotation speed to the target rotation speed when the comparison result shows that the target rotation speed is smaller than the actual fan rotation speed at the time of measurement. It is characterized by.
- the present invention is a system for storing the electrical energy generated by the rotational movement of the cooling fan (Battery) in the battery (Battery), in the "Hybrid Concept" to generate an additional energy source to store the battery (Battery) to operate the engine By saving time, you can save fuel.
- FIG. 1 is a block diagram showing a battery charging system of a hybrid construction machine using the rotational force of the fan according to the present invention
- Figure 2 is a flow chart showing in sequence the operation of the battery charging system of the hybrid construction machine using the rotational force of the fan according to the present invention
- FIG. 3 is a view showing an example of a battery charging system of a hybrid construction machine according to the present invention.
- FIG. 1 is a view showing a battery charging system of a hybrid construction machine using the rotational force of the fan according to the present invention.
- the system includes a plurality of temperature sensors 101 to 103, a speed measuring means (eg, a tachometer) 104, a fan 105, a controller 106, a braking device 107, and It is a structure including a battery 108.
- a speed measuring means eg, a tachometer
- the plurality of temperature sensors 101 to 103 may include a first temperature sensor 101 for detecting a coolant temperature, a second temperature sensor 102 for detecting a hydraulic oil temperature, and a third temperature sensor for detecting an engine intake air temperature.
- the controller 106 calculates the current target fan rotation speed by using the coolant temperature, the hydraulic oil temperature, and the engine intake air temperature information detected by the temperature sensors 101 to 103.
- the speed measuring means 104 is electrically connected to the controller, and measures the rotational speed of the current fan and inputs it to the connected controller.
- a tachometer may be used.
- the rotational speed of the current fan input to the controller is used to determine the control signal to output.
- the fan 105 may be a cooling fan fixed to the engine crankshaft.
- the rotation speed is forcibly reduced by the braking device to generate more electric energy.
- the electrical energy generated at that time is stored in a battery.
- the controller 106 is configured to the target rotational speed if the current target fan rotational speed determined according to the current coolant temperature, the hydraulic oil temperature, and the engine intake air temperature is smaller than the actual fan rotational speed at the time of measurement measured by the speed measurement means 104. It is to output a control signal to reduce the fan rotation speed. That is, using the target fan rotational speed set differently according to the coolant temperature, the hydraulic oil temperature, and the engine intake air temperature, according to the current coolant temperature, the hydraulic oil temperature, and the engine intake air temperature respectively inputted from the temperature sensors 101 to 103. The current target fan rotation speed is obtained, and the obtained current target rotation speed is compared with the actual fan rotation speed at the measurement. When the comparison results, the target rotation speed is greater than the actual fan rotation speed at the measurement.
- the second control signal is output to the braking device 107.
- the braking device (for example, the clutch) 107 brakes the rotation of the fan 105 under the control of the controller 106.
- the battery 108 charges electrical energy by the rotational force generated when the rotational speed of the fan is reduced by the braking device 107 from the actual fan rotational speed at the measurement to the target rotational speed. That is, in the case of a cooling fan fixed to the engine crank shaft, the fan rotates in proportion to the engine rpm regardless of the coolant temperature. Even if the coolant temperature is low, if the engine RPM is high, the fan rotation speed is high and inefficient.
- the present invention is equipped with a braking device and a controller according to the present invention, when the coolant temperature is low, the braking device can forcibly reduce the rotational speed of the fan (Fan) to generate more electrical energy, the generated electrical energy at the battery Storage in the Battery makes it useful for charging systems in Hybrid systems.
- FIG. 2 is a view showing in sequence the operation of the battery charging system of the hybrid construction machine using the rotational force of the fan according to the present invention.
- a plurality of temperature sensors 101 to 103 respectively detect the coolant temperature, hydraulic oil temperature, engine intake air temperature (S201 ⁇ S203).
- the speed measuring means eg tachometer
- the speed measuring means measures the rotational speed of the current fan.
- the target A control signal is output to reduce the fan rotation speed up to the rotation speed.
- the calculated current target rotational speed is compared with the actual fan rotational speed at the measurement (S205).
- the first control signal for increasing the fan rotational speed up to the target rotational speed is output to the fan 105 (S206 to S207).
- a second control signal for reducing the fan rotational speed to the target rotational speed is output to the brake device 107 (S208).
- the braking device for example, the clutch
- the braking device 107 brakes the rotation operation of the fan 105 under the control of the controller 106 (S209).
- a cooling fan fixed to an engine crank shaft rotates in proportion to the engine rpm regardless of the coolant temperature. Even if the coolant temperature is low, if the engine RPM is high, the fan rotation speed is high and inefficient.
- the present invention is equipped with a braking device and a controller according to the present invention, when the coolant temperature is low, the braking device can forcibly reduce the rotational speed of the fan (Fan) to generate more electrical energy, the generated electrical energy at the battery Storage in the Battery makes it useful for charging systems in Hybrid systems.
- the braking device and the controller are mounted, when the coolant temperature is low, the braking device can forcibly reduce the fan rotation speed to generate more electric energy and generate electricity. Energy is stored in a battery, which reduces engine uptime, resulting in fuel savings.
- FIG. 3 is a view showing an example of a battery charging system of a hybrid construction machine according to the present invention.
- the present system includes a controller for controlling a predetermined fan, a braking device of the fan (a clutch C in the drawing, a brake system B), and an electric energy charge. It is equipped with a battery.
- the controller may be configured to reduce the fan rotation speed to the target rotation speed when the current target fan rotation speed determined according to the current coolant temperature, the hydraulic oil temperature, and the engine intake air temperature is smaller than the actual fan rotation speed at the time of measurement.
- the apparatus (the clutch C in the drawing and the brake system B) is controlled.
- control unit charges the battery with electrical energy due to the rotational force generated when the rotational speed of the fan is reduced from the actual fan rotational speed at the measurement to the target rotational speed by the braking device.
- control of the braking device using the target fan rotational speed set by the controller according to the coolant temperature, hydraulic oil temperature, engine intake air temperature, the current target according to the current coolant temperature, hydraulic oil temperature, engine intake air temperature Find the fan rotation speed.
- the obtained current target rotational speed is compared with the actual fan rotational speed at the time of measurement.
- the first control signal for increasing the fan rotational speed to the target rotational speed is output to the fan.
- the second control signal for reducing the fan rotational speed to the target rotational speed is output to the braking device.
- the tachometer T as a speed measuring means is used to measure the rotational speed of the current fan.
- the present invention is used in a battery charging system and a charging method of the hybrid construction machine using the fan's rotational power to reduce the engine operating time by storing the electrical energy generated by the rotational power of the fan to reduce the engine operating time, so that the fuel economy can be obtained It is possible.
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- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Transportation (AREA)
- Combustion & Propulsion (AREA)
- General Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
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Abstract
Description
Claims (4)
- 소정의 팬과 상기 팬의 제동장치를 각기 제어하는 콘트롤러와, 전기에너지를 충전하는 배터리를 구비한 하이브리드 건설기계 배터리 충전 시스템의 충전 방법에 있어서,상기 콘트롤러가 현재 냉각수 온도, 유압유 온도, 엔진 흡입 공기 온도에 따라 구한 현재 목표 팬 회전 속도가 측정시의 실제 팬 회전 속도 보다 작은 경우 상기 목표 회전 속도까지 상기 팬 회전 속도를 감소시키도록 상기 제동장치를 제어하는 단계; 및상기 제어를 통해 상기 제동장치에 의해 상기 팬의 회전속도가 상기 측정시의 실제 팬 회전 속도에서 상기 목표 회전 속도까지 감소될 때 발생되는 회전력에 의한 전기에너지를 배터리에 충전하는 단계를 포함하여 이루어진 팬의 회전력을 이용한 하이브리드 건설기계의 배터리 충전 시스템의 충전 방법.
- 제 1 항에 있어서,상기 제동장치를 제어하는 단계는상기 콘트롤러가 냉각수 온도, 유압유 온도, 엔진 흡입 공기 온도에 따라 상이하게 설정한 목표 팬 회전 속도를 이용해, 현재 냉각수 온도, 유압유 온도, 엔진 흡입 공기 온도에 따라 현재 목표 팬 회전 속도를 구하는 단계;상기 구한 현재 목표 회전 속도와 측정시의 실제 팬 회전 속도를 비교하는 단계; 및상기 비교 결과 목표 회전 속도가 측정시의 실제 팬 회전 속도보다 큰 경우 상기 목표 회전 속도까지 상기 팬 회전 속도를 증가시키도록 하는 제1 제어 신호를 팬으로 출력하고, 상기 비교 결과 목표 회전 속도가 측정시의 실제 팬 회전 속도보다 작은 경우 상기 목표 회전 속도까지 상기 팬 회전 속도를 감소시키도록 하는 제2 제어 신호를 제동장치로 출력하는 단계를 포함하여 이루어진 것을 특징으로 하는 팬의 회전력을 이용한 하이브리드 건설기계의 배터리 충전 시스템의 충전 방법.
- 측정시의 실제 팬 회전 속도를 측정하는 속도측정수단;현재 냉각수 온도, 유압유 온도, 엔진 흡입 공기 온도에 따라 구한 현재 목표 팬 회전 속도가 상기 속도측정수단에서 측정한 측정시의 실제 팬 회전 속도 보다 작은 경우 상기 목표 회전 속도까지 상기 팬 회전 속도를 감소시키도록 하는 제어신호를 출력하는 콘트롤러;상기 콘트롤러의 제어에 따라 상기 팬의 회전동작을 제동시키는 제동장치; 및상기 제동장치에 의해 상기 팬의 회전속도가 상기 측정시의 실제 팬 회전 속도에서 상기 목표 회전 속도까지 감소될 때 발생되는 회전력에 의한 전기에너지를 충전하는 배터리를 포함하여 이루어진 팬의 회전력을 이용한 하이브리드 건설기계의 배터리 충전 시스템.
- 제 3 항에 있어서,상기 콘트롤러는상기 냉각수 온도, 유압유 온도, 엔진 흡입 공기 온도에 따라 상이하게 설정한 목표 팬 회전 속도를 이용해, 현재 냉각수 온도, 유압유 온도, 엔진 흡입 공기 온도에 따라 현재 목표 팬 회전 속도를 구하고, 상기 구한 현재 목표 회전 속도와 측정시의 실제 팬 회전 속도를 비교하여 상기 비교 결과 목표 회전 속도가 측정시의 실제 팬 회전 속도보다 큰 경우 상기 목표 회전 속도까지 상기 팬 회전 속도를 증가시키도록 하는 제1 제어 신호를 팬으로 출력하고, 상기 비교 결과 목표 회전 속도가 측정시의 실제 팬 회전 속도보다 작은 경우 상기 목표 회전 속도까지 상기 팬 회전 속도를 감소시키도록 하는 제2 제어 신호를 제동장치로 출력하는 것을 특징으로 하는 팬의 회전력을 이용한 하이브리드 건설기계의 배터리 충전 시스템.
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CN201280074289.0A CN104395164B (zh) | 2012-07-05 | 2012-07-05 | 用于混合动力施工机械的使用风扇的旋转力的电池充电系统和其充电方法 |
US14/410,958 US20150207359A1 (en) | 2012-07-05 | 2012-07-05 | Battery charging system for hybrid construction machinery by using rotational force of fan and charging method therefor |
EP12880715.3A EP2871106A4 (en) | 2012-07-05 | 2012-07-05 | SYSTEM FOR CHARGING THE BATTERY OF A HYBRID CONSTRUCTION MACHINE OVER THE ROTATION DRIVE OF A FAN AND CHARGING METHOD THEREFOR |
CA2876921A CA2876921C (en) | 2012-07-05 | 2012-07-05 | Battery charging system for hybrid construction machinery by using rotational force of fan and charging method therefor |
KR1020147036768A KR101631957B1 (ko) | 2012-07-05 | 2012-07-05 | 팬의 회전력을 이용한 하이브리드 건설기계의 배터리 충전 시스템 및 그의 충전 방법 |
PCT/KR2012/005339 WO2014007413A1 (ko) | 2012-07-05 | 2012-07-05 | 팬의 회전력을 이용한 하이브리드 건설기계의 배터리 충전 시스템 및 그의 충전 방법 |
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EP (1) | EP2871106A4 (ko) |
KR (1) | KR101631957B1 (ko) |
CN (1) | CN104395164B (ko) |
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CN106704234B (zh) * | 2015-07-30 | 2019-07-26 | 联想(北京)有限公司 | 一种控制方法及装置 |
JP6702819B2 (ja) * | 2016-07-14 | 2020-06-03 | キャタピラー エス エー アール エル | 建設機械の送風手段制御システム |
CN106677879A (zh) * | 2016-12-28 | 2017-05-17 | 潍坊恒安散热器集团有限公司 | 混合动力汽车热交换系统及方法 |
TWM575626U (zh) | 2017-06-26 | 2019-03-11 | 美商米沃奇電子工具公司 | 電池充電器 |
CN109291868B (zh) * | 2018-11-27 | 2020-10-09 | 安徽江淮汽车集团股份有限公司 | 一种混合动力车型发电控制方法及系统 |
US11225899B2 (en) * | 2019-02-28 | 2022-01-18 | Cummins Inc. | Supplemental engine braking system |
CN114575983B (zh) * | 2020-12-02 | 2023-02-24 | 郑州宇通客车股份有限公司 | 一种发动机冷却风扇的功率控制方法及装置 |
CN117254570B (zh) * | 2023-11-15 | 2024-02-13 | 苏州元脑智能科技有限公司 | 一种能量回收方法、系统、介质、装置及服务器 |
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- 2012-07-05 KR KR1020147036768A patent/KR101631957B1/ko active IP Right Grant
- 2012-07-05 CA CA2876921A patent/CA2876921C/en not_active Expired - Fee Related
- 2012-07-05 EP EP12880715.3A patent/EP2871106A4/en not_active Withdrawn
- 2012-07-05 WO PCT/KR2012/005339 patent/WO2014007413A1/ko active Application Filing
- 2012-07-05 CN CN201280074289.0A patent/CN104395164B/zh not_active Expired - Fee Related
- 2012-07-05 US US14/410,958 patent/US20150207359A1/en not_active Abandoned
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Also Published As
Publication number | Publication date |
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EP2871106A1 (en) | 2015-05-13 |
EP2871106A4 (en) | 2016-05-11 |
CA2876921C (en) | 2017-05-09 |
CA2876921A1 (en) | 2014-01-09 |
CN104395164B (zh) | 2017-04-19 |
KR20150022925A (ko) | 2015-03-04 |
KR101631957B1 (ko) | 2016-06-20 |
CN104395164A (zh) | 2015-03-04 |
US20150207359A1 (en) | 2015-07-23 |
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