KR101301760B1 - electric energy charging and discharging apparatus for regenerative braking system of electric motorcycles - Google Patents

electric energy charging and discharging apparatus for regenerative braking system of electric motorcycles Download PDF

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KR101301760B1
KR101301760B1 KR1020120009400A KR20120009400A KR101301760B1 KR 101301760 B1 KR101301760 B1 KR 101301760B1 KR 1020120009400 A KR1020120009400 A KR 1020120009400A KR 20120009400 A KR20120009400 A KR 20120009400A KR 101301760 B1 KR101301760 B1 KR 101301760B1
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battery
electric vehicle
terminal
regenerative
electric
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KR20130088271A (en
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성백섭
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조선대학교산학협력단
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L7/00—Electrodynamic brake systems for vehicles in general
    • B60L7/10—Dynamic electric regenerative braking
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/22—Ionisation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H1/00—Heating, cooling or ventilating [HVAC] devices
    • B60H1/00357—Air-conditioning arrangements specially adapted for particular vehicles
    • B60H1/00385—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell
    • B60H1/00392—Air-conditioning arrangements specially adapted for particular vehicles for vehicles having an electrical drive, e.g. hybrid or fuel cell for electric vehicles having only electric drive means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
    • B60H3/00—Other air-treating devices
    • B60H3/0071—Electrically conditioning the air, e.g. by ionizing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • 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
    • B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
    • B60W30/18—Propelling the vehicle
    • B60W30/18009—Propelling the vehicle related to particular drive situations
    • B60W30/18109—Braking
    • B60W30/18127—Regenerative braking
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L2209/00—Aspects relating to disinfection, sterilisation or deodorisation of air
    • A61L2209/10—Apparatus features
    • A61L2209/16—Connections to a HVAC unit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/90—Vehicles comprising electric prime movers
    • B60Y2200/91—Electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2400/00—Special features of vehicle units
    • B60Y2400/30—Sensors
    • B60Y2400/308—Electric sensors
    • B60Y2400/3084—Electric currents sensors
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/72—Electric energy management in electromobility

Abstract

본 발명은 전기차량의 회생제동 제어장치에 관한 것으로서, 전기차량의 바퀴 구동용 전동기에 인버터를 통해 전력을 공급할 수 있도록 된 배터리와, 전기차량의 제동시 전동기로부터 인버터를 통해 역으로 흐르는 회생 전류를 검출하는 전류검출부와, 회생전류 도통 경로상에 설치되어 회생전류를 배터리의 충전경로로 이어지는 제1단자와 제1단자와 분리된 제2단자중 어느 하나로 선택적으로 접속하는 선택 스위치부와, 배터리의 충전전압을 검출하는 충전전압 검출부와, 전류검출부로부터 출력된 정보를 이용하여 전기차량이 가속모드인지 제동모드인지를 판단하여 제동모드시에는 충전전압 검출부의 전압정보를 이용하여 배터리가 정격전압에 도달할 때까지 회생전류가 배터리에 충전되도록 제1단자와 접속되게 선택 스위치부를 제어하고, 배터리의 충전전압이 정격전압에 도달되면, 제2단자와 접속되게 처리하는 메인 제어부를 구비한다. 이러한 전기차량의 회생 제동 제어 장치에 의하면, 제동시 전동기로부터 발생되는 회생전류를 배터리의 정격전압에 도달할 때까지만 이용하고, 정격전압에 도달된 이후에 발생되는 잉여에어지는 클러스터 이오나이저 또는 살균용 자외선 램프와 같은 장치의 구동전원으로 이용할 수 있는 장점을 제공한다.The present invention relates to a regenerative braking control device for an electric vehicle, comprising: a battery capable of supplying electric power to a wheel driving motor of an electric vehicle through an inverter, and regenerative current flowing back through the inverter from the electric motor when the electric vehicle is braked. A current switch for detecting and a selector switch disposed on the regenerative current conduction path to selectively connect the regenerative current to one of the first terminal leading to the charging path of the battery and the second terminal separated from the first terminal; The battery reaches the rated voltage by using the voltage information of the charging voltage detector in the braking mode, and determines whether the electric vehicle is in the acceleration mode or the braking mode by using the charging voltage detector for detecting the charging voltage and the information output from the current detector. Control the selector switch to be connected to the first terminal so that the regenerative current is charged to the battery until When the charging voltage of reaches the rated voltage, it is provided with a main control unit for processing to be connected to the second terminal. According to the regenerative braking control device of the electric vehicle, the regenerative current generated from the motor during braking is used only until the rated voltage of the battery is reached, and the surplus cluster ionizer or sterilization generated after the rated voltage is reached. It provides the advantage that can be used as a driving power source for devices such as ultraviolet lamps.

Figure R1020120009400
Figure R1020120009400

Description

전기차량의 회생제동 제어장치{electric energy charging and discharging apparatus for regenerative braking system of electric motorcycles}Electric energy charging and discharging apparatus for regenerative braking system of electric motorcycles}

본 발명은 전기차량의 회생제동 제어장치에 관한 것으로서, 상세하게는 배터리의 충전상태에 따라 회생전류의 공급경로를 조정할 수 있도록 된 전기차량의 회생제동 제어장치에 관한 것이다.The present invention relates to a regenerative braking control apparatus for an electric vehicle, and more particularly, to a regenerative braking control apparatus for an electric vehicle that can adjust the supply path of the regenerative current according to the state of charge of the battery.

일반적으로 전기 자동차는 배터리의 전력을 이용하여 모터인 전동기를 구동할 수 있도록 되어 있고, 제동시에는 전동기가 발전기로서 작동함으로써 이때 발생되는 에너지를 저항을 통해 열에너지로 소모시키거나 배터리를 이용하여 충전할 수 있도록 하고 있다.In general, an electric vehicle is capable of driving an electric motor, which is a motor, by using the power of a battery, and when braking, an electric motor operates as a generator so that energy generated at this time may be consumed as heat energy through a resistor or charged using a battery. To make it possible.

그런데, 배터리를 이용하여 전기 에너지를 저장하는 경우에 배터리가 과충전되는 경우 오히려 배터리의 수명을 단축하는 문제가 발생된다. 또한 저항을 통해 소모시키는 경우 회생제동은 가능하나 전기에너지를 열로써 방출하여 소모해 버리는 단점이 있다.However, when the battery is used for storing electrical energy, when the battery is overcharged, a problem of shortening the life of the battery occurs. In addition, regenerative braking is possible when consuming through a resistor, but there is a drawback of consuming and discharging electrical energy as heat.

본 발명은 상기와 같은 문제점을 개선하기 위하여 창안된 것으로서, 배터리의 충전상태에 따라 회생전류의 공급경로를 조정하여 전기 에너지 저장 효율을 안정적으로 유지하면서도 잉여 전력을 다른 용도로 사용할 수 있도록 하는 전기차량의 회생제동 제어장치를 제공하는데 그 목적이 있다.The present invention was devised to improve the above problems, and by adjusting the supply path of the regenerative current according to the state of charge of the battery electric vehicle to enable the use of surplus power for other purposes while maintaining a stable electrical energy storage efficiency The purpose of the present invention is to provide a regenerative braking control device.

상기의 목적을 달성하기 위하여 본 발명에 따른 전기차량의 회생제동 제어장치는 전기차량의 바퀴 구동용 전동기에 인버터를 통해 전력을 공급할 수 있도록 된 배터리와; 상기 전기차량의 제동시 상기 전동기로부터 상기 인버터를 통해 역으로 흐르는 회생 전류를 검출하는 전류검출부와; 상기 회생전류 도통 경로상에 설치되어 상기 회생전류를 상기 배터리의 충전경로로 이어지는 제1단자와 상기 제1단자와 분리된 제2단자중 어느 하나로 선택적으로 접속하는 선택 스위치부와; 상기 배터리의 충전전압을 검출하는 충전전압 검출부와; 상기 전류검출부로부터 출력된 정보를 이용하여 상기 전기차량이 가속모드인지 제동모드인지를 판단하여 제동모드시에는 상기 충전전압 검출부의 전압정보를 이용하여 상기 배터리가 정격전압에 도달할 때까지 상기 회생전류가 상기 배터리에 충전되도록 상기 제1단자와 접속되게 상기 선택 스위치부를 제어하고, 상기 배터리의 충전전압이 정격전압에 도달되면, 상기 제2단자와 접속되게 처리하는 메인 제어부;를 구비한다.In order to achieve the above object, a regenerative braking control apparatus for an electric vehicle according to the present invention includes a battery capable of supplying electric power through an inverter to a wheel driving motor of an electric vehicle; A current detector for detecting a regenerative current flowing backward from the electric motor through the inverter when braking the electric vehicle; A selection switch unit disposed on the regenerative current conduction path and selectively connecting the regenerative current to any one of a first terminal leading to a charging path of the battery and a second terminal separated from the first terminal; A charge voltage detector detecting a charge voltage of the battery; The regenerative current is determined using the information output from the current detector to determine whether the electric vehicle is in an acceleration mode or a braking mode. In the braking mode, the regenerative current until the battery reaches the rated voltage using the voltage information of the charging voltage detector. And a main controller configured to control the selection switch to be connected to the first terminal so that the battery is charged to the battery, and to be connected to the second terminal when the charging voltage of the battery reaches a rated voltage.

본 발명의 일 측면에 따르면, 상기 제2단자에는 공급된 전력에 의해 상기 전기차량의 실내 공기를 이온화 시키는 클러스터 이오나이저;가 접속된다.According to an aspect of the present invention, a cluster ionizer for ionizing the indoor air of the electric vehicle by the supplied electric power is connected to the second terminal.

또 다르게는 상기 제2단자에는 상기 전기차량의 공조기 내에 설치된 살균용 자외선 램프와 접속된다.Alternatively, the second terminal is connected to a sterilizing ultraviolet lamp installed in the air conditioner of the electric vehicle.

본 발명에 따른 전기차량의 회생제동 제어장치에 의하면, 제동시 전동기로부터 발생되는 회생전류를 배터리의 정격전압에 도달할 때까지만 이용하고, 정격전압에 도달된 이후에 발생되는 잉여에어지는 클러스터 이오나이저 또는 살균용 자외선 램프와 같은 장치의 구동전원으로 이용할 수 있는 장점을 제공한다.According to the regenerative braking control apparatus for an electric vehicle according to the present invention, the regenerative current generated from the motor during braking is used only until the rated voltage of the battery is reached, and the surplus cluster ionizer generated after the rated voltage is reached. Or it provides an advantage that can be used as a driving power source for devices such as ultraviolet lamps for sterilization.

도 1은 본 발명에 따른 전기차량의 회생제동 제어장치를 나타내 보인 블록도이다.1 is a block diagram showing a regenerative braking control apparatus for an electric vehicle according to the present invention.

이하, 첨부된 도면을 참조하면서 본 발명의 바람직한 실시 예에 따른 전기차량의 회생제동 제어 장치를 더욱 상세하게 설명한다.Hereinafter, a regenerative braking control apparatus for an electric vehicle according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.

도 1은 본 발명에 따른 전기차량의 회생제동 제어 장치를 나타내 보인 블록도이다.1 is a block diagram showing a regenerative braking control apparatus for an electric vehicle according to the present invention.

도 1을 참조하면, 전기차량의 회생제동 제어 장치(100)는 배터리(110), 전류 검출부(120), 충전전압 검출부(130), 메인 제어부(140), 선택스위치부(150)인버터(170), 속도 검출부(180)를 구비한다.Referring to FIG. 1, the regenerative braking control apparatus 100 of an electric vehicle includes a battery 110, a current detector 120, a charge voltage detector 130, a main controller 140, and a selection switch unit 150. ), And a speed detector 180.

모터(M)(230)는 전기 차량(EV)(250)의 바퀴 구동용 전동기로서 적용된 것으로 일반적으로 브러시리스(BLDC) 모터를 적용하고, 인버터(170)를 통해 공급된 전력에 의해 구동되고 제동시에는 회전에 의해 발생되는 전기에너지를 인버터(170)의 스위칭소자(S1 내지 S6)에 병렬상으로 접속된 환류다이오드(D11 내지 D16)를 통해 회생전류를 출력한다.The motor (M) 230 is applied as a wheel driving motor of the electric vehicle (EV) 250, and generally applies a brushless (BLDC) motor, and is driven by the power supplied through the inverter 170 and At the same time, the regenerative current is output through the reflux diodes D11 to D16 connected in parallel with the electrical energy generated by the rotation to the switching elements S1 to S6 of the inverter 170.

속도 검출부(180)는 모터(230)에 의해 구동되는 전기차량의 속도를 검출하는 것으로 홀센서(Hall Sensor)가 적용될 수 있고, 검출된 속도 정보를 메인 제어부(140)에 출력한다. 여기서 속도 검출부(180)는 메인 제어부(140)가 제동모드인지 가속모드인지를 판단하기 위한 보조 정보를 이용하기 위한 것으로서 생략될 수 도 있다.The speed detector 180 detects the speed of the electric vehicle driven by the motor 230, and a Hall sensor may be applied, and outputs the detected speed information to the main controller 140. In this case, the speed detector 180 may be omitted to use auxiliary information for determining whether the main controller 140 is in the braking mode or the acceleration mode.

인버터(170)는 전압원인 배터리(110)에서 공급되는 직류전원을 브러시리스 모터 드라이버(미도시)에 의해 선택적으로 제어되는 스위칭소자(S1 내지 S6)에 의해 교류상으로 변환하여 3상 모터(230)로 공급하도록 되어 있고, 그 구조는 공지되어 있어 상세한 설명은 생략한다.The inverter 170 converts the DC power supplied from the battery 110, which is a voltage source, into an AC phase by switching elements S1 to S6 selectively controlled by a brushless motor driver (not shown). The structure is known, and detailed description thereof will be omitted.

배터리(110)는 인버터(170)를 통해 전력을 공급할 수 있도록 인버터(170)의 양단에 접속되어 있다.The battery 110 is connected to both ends of the inverter 170 to supply power through the inverter 170.

배터리(110)는 리튬이온 배터리 등 공지된 것을 적용하면 된다.The battery 110 may be a known one such as a lithium ion battery.

배터리(110)의 양극단자(112)와 인버터(170) 사이에는 인버터(170)로 공급되는 전류만 도통될 수 있게 제1다이오드(D1)가 접속되어 있다.The first diode D1 is connected between the positive terminal 112 of the battery 110 and the inverter 170 so that only a current supplied to the inverter 170 can be conducted.

전류검출부(120)는 제동시 모터(230)로부터 인버터(170)를 통해 역으로 흐르는 회생 전류를 검출하도록 제2다이오드(D2)를 거친 회생전류 공급경로상에 설치되어 있다.The current detector 120 is installed on the regenerative current supply path through the second diode D2 so as to detect the regenerative current flowing back from the motor 230 through the inverter 170 during braking.

전류검출부(120)는 인버터(170)로 이어지는 전류공급 경로(172)와 병렬상으로 접속된 회생전류 도통경로(174) 상에 접속된 제2다이오드(D2)를 통해 흐르는 회생전류를 검출할 수 있도록 설치되어 있다.The current detector 120 may detect the regenerative current flowing through the second diode D2 connected on the regenerative current conduction path 174 connected in parallel with the current supply path 172 leading to the inverter 170. It is installed.

여기서 회생전류는 전기차량(250)의 제동시 모터(230)로부터 인버터(170)의 환류다이오드(D11 내지 D16)를 통해 역으로 흐르는 전류를 말한다.Here, the regenerative current refers to a current flowing backward from the motor 230 through the reflux diodes D11 to D16 of the inverter 170 when the electric vehicle 250 is braked.

충전전압검출부(120)는 배터리(110)의 전압을 검출하여 메인 제어부(140)에 제공한다.The charging voltage detector 120 detects a voltage of the battery 110 and provides the voltage to the main controller 140.

선택 스위치부(150)는 제2다이오드(D2)를 통해 공급되는 회생전류가 흐르는 공급단자(153)를 배터리(110)의 양극단자로 이어지는 제1단자(151)와 다른 전기장치를 접속할 수 있도록 된 제2단자(152) 중 어느 하나로 메인제어부(140)에 제어되어 접속하도록 되어 있다.The selector switch 150 may connect the first terminal 151 and the other electrical device that connects the supply terminal 153 through which the regenerative current supplied through the second diode D2 to the positive terminal of the battery 110. Any one of the second terminals 152 is controlled to be connected to the main controller 140.

메인 제어부(140)는 속도검출부(180)에서 검출된 전기차량(250)의 속도정보와, 전류검출부(120)에서 검출된 정보 및 충전 전압검출부(130)에서 검출된 정보를 이용하여 선택 스위치부(150)를 제어한다.The main controller 140 uses the speed information of the electric vehicle 250 detected by the speed detector 180, the information detected by the current detector 120, and the information detected by the charge voltage detector 130. Control 150.

메인 제어부(140)는 전기차량(250)이 가속모드인지 또는 제동모드인지를 판단하고, 제동모드시에는 배터리(110)의 충전전압이 정격전압인지를 판단하고, 정격전압에 도달되지 않은 상태이면 우선적으로 배터리(110)가 정격전압에 도달할 때까지 회생전류가 충전되도록 선택 스위치부(150)를 제어한다.The main controller 140 determines whether the electric vehicle 250 is in an acceleration mode or a braking mode. In the braking mode, the main controller 140 determines whether the charging voltage of the battery 110 is a rated voltage. First, the selection switch unit 150 is controlled such that the regenerative current is charged until the battery 110 reaches the rated voltage.

바람직하게는 메인 제어부(140)는 전류 검출부(120)에서 회생전류가 검출되면 제동모드로 판단하도록 구축된다.Preferably, the main controller 140 is configured to determine the braking mode when the regenerative current is detected by the current detector 120.

이후, 제동모드에서 모터(230)로부터 인버터(170)를 통해 역으로 흐르는 회생전류에 의해 배터리(110)가 정격전압에 도달한 것으로 판단되면, 선택 스위치부(150)를 제어하여 공급단자(153)가 제2단자(152)와 접속되게 한다. Subsequently, when it is determined that the battery 110 reaches the rated voltage by the regenerative current flowing from the motor 230 through the inverter 170 in the braking mode, the supply switch 153 is controlled by controlling the selection switch unit 150. ) Is connected to the second terminal 152.

한편, 이러한 제어과정에서 제동모드시의 충전과정을 살펴보면, 제동모드시 전기차량(250)의 모터(230)에 차량관성력에 의해 제동력이 가해지면 모터(230)는 곧바로 발전기 역할을 하게 되어 생성된 전류가 인버터(170)의 환류다이오드(D11 내지 D16)을 통하여 역으로 흐르게 되고, 전류검출부(120)를 통해 역전류가 검출되며, 이 과정에서 메인 제어부(140)는 충전전압 검출부(130)를 통해 검출된 배터리(110)의 전압에 따라 현재 접속된 단자상태에 대해 제1단자(151) 또는 제2단자(152)중 어느 하나로 접속되게 제어한다.On the other hand, looking at the charging process in the braking mode in this control process, when the braking force is applied to the motor 230 of the electric vehicle 250 in the braking mode by the vehicle inertia force, the motor 230 immediately acts as a generator The current flows backward through the reflux diodes D11 to D16 of the inverter 170, and a reverse current is detected through the current detector 120. In this process, the main controller 140 operates the charging voltage detector 130. According to the voltage of the battery 110 detected through the control to be connected to any one of the first terminal 151 or the second terminal 152 with respect to the currently connected terminal state.

제2단자(152)를 통해 접속되는 전기장치가 직류 구동형인 경우 교류를 직류로 변환하는 교류-직류변환기(AC/DC 컨버터)(160)가 적용될 수 있다.When the electric device connected through the second terminal 152 is a DC drive type, an AC-DC converter 160 for converting AC into DC may be applied.

제2단자(152)에 접속되는 전기장치로서 클러스터 이오나이저(191)가 적용될 수 있다. The cluster ionizer 191 may be applied as an electric device connected to the second terminal 152.

클러스터 이오나이저(191)는 공기를 이온화 시켜 냄새를 제거할 수 있도록 차량에 장착된 것으로서 코로나 방전 방식, 전자 방사식등이 있고, 상세한 구조는 공지되어 있어 생략한다.The cluster ionizer 191 is mounted on a vehicle to ionize the air to remove odors, and there are corona discharge methods and electron radiation types, and detailed structures are well known and thus will be omitted.

또한, 제2단자(152)에 접속되는 전기장치로서 전기차량의 공조기 내에 설치된 살균용 자외선 램프(193)가 적용될 수 있다.In addition, as the electric device connected to the second terminal 152, a sterilizing ultraviolet lamp 193 installed in the air conditioner of the electric vehicle may be applied.

여기서, 클러스터 이오나이저(191)나 살균용 자외선 램프(193)는 회생전류 공급시 배터리(110)가 충전전압에 도달된 이후에 가동됨으로써 배터리(110)의 과충전을 억제시키는 기능과 함께 차량의 실내 환경을 잉여 전력이 생성될 때마다 전기차량의 실내 환경을 정화하는 기능을 제공하는 장점이 있다.Here, the cluster ionizer 191 or the germicidal ultraviolet lamp 193 are operated after the battery 110 reaches the charging voltage when the regenerative current is supplied, thereby suppressing overcharging of the battery 110 and the interior of the vehicle. Whenever surplus power is generated in the environment, there is an advantage of providing a function of purifying the indoor environment of the electric vehicle.

110: 배터리 120: 전류 검출부
130: 충전전압 검출부 140: 메인 제어부
150: 선택스위치부 170: 인버터110: battery 120: current detector
130: charging voltage detection unit 140: main control unit
150: selection switch unit 170: inverter

Claims (3)

전기차량의 바퀴 구동용 전동기에 인버터를 통해 전력을 공급할 수 있도록 된 배터리와;
상기 전기차량의 제동시 상기 전동기로부터 상기 인버터를 통해 역으로 흐르는 회생 전류를 검출하는 전류검출부와;
상기 배터리로부터 상기 인버터로 이어지는 전력공급경로와 병렬상으로 접속되어 상기 회생전류가 흐르는 회생전류 도통 경로상에 설치되어 상기 회생전류를 상기 배터리의 충전경로로 이어지는 제1단자와 상기 제1단자와 분리된 제2단자중 어느 하나로 선택적으로 접속하는 선택 스위치부와;
상기 배터리의 충전전압을 검출하는 충전전압 검출부와;
상기 전류검출부로부터 출력된 정보를 이용하여 상기 전기차량이 가속모드인지 제동모드인지를 판단하여 제동모드시에는 상기 충전전압 검출부의 전압정보를 이용하여 상기 배터리가 정격전압에 도달할 때까지 상기 회생전류가 상기 배터리에 충전되도록 상기 제1단자와 접속되게 상기 선택 스위치부를 제어하고, 상기 배터리의 충전전압이 정격전압에 도달되면, 상기 제2단자와 접속되게 처리하는 메인 제어부;를 구비하는 것을 특징으로 하는 전기차량의 회생 제동 제어 장치.A battery configured to supply electric power to the wheel driving motor of the electric vehicle through an inverter;
A current detector for detecting a regenerative current flowing backward from the electric motor through the inverter when braking the electric vehicle;
A first terminal connected to a power supply path from the battery to the inverter in parallel and installed on a regenerative current conduction path through which the regenerative current flows to separate the regenerative current from the first terminal and the first terminal leading to the charging path of the battery. A selection switch unit for selectively connecting to any one of the second terminals;
A charge voltage detector detecting a charge voltage of the battery;
The regenerative current is determined by using the information output from the current detector to determine whether the electric vehicle is in an acceleration mode or a braking mode. And a main control unit configured to control the selection switch unit to be connected to the first terminal so that the battery is charged to the battery and to be connected to the second terminal when the charging voltage of the battery reaches a rated voltage. Regenerative braking control device for electric vehicles. 제1항에 있어서, 상기 제2단자에는 공급된 전력에 의해 상기 전기차량의 실내 공기를 이온화 시키는 클러스터 이오나이저;가 접속된 것을 특징으로 하는 전기차량의 회생 제동 제어 장치.The regenerative braking control apparatus for an electric vehicle according to claim 1, wherein the second terminal is connected to a cluster ionizer for ionizing the indoor air of the electric vehicle by the supplied electric power. 제1항에 있어서, 상기 제2단자에는 상기 전기차량의 공조기 내에 설치된 살균용 자외선 램프와 접속된 것을 특징으로 하는 전기차량의 회생 제동 제어 장치.The regenerative braking control device for an electric vehicle according to claim 1, wherein the second terminal is connected to a sterilizing ultraviolet lamp installed in an air conditioner of the electric vehicle.
KR1020120009400A 2012-01-31 2012-01-31 electric energy charging and discharging apparatus for regenerative braking system of electric motorcycles KR101301760B1 (en)

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