Abstract:
PURPOSE: A circuit for measuring a cell voltage and balancing a cell is provided to reduce manufacturing costs of a battery controller by implementing a small number of switching elements by connecting a cell balancing function with a voltage measuring function. CONSTITUTION: A first resistor(R401) and a first switching device are serially connected to one end of a battery module. A second resistor and a second switching element are serially connected to the other end of the battery module. A plurality of contact resistors are connected between a plurality of battery cells comprising a battery module. A plurality of contact switching elements connects a contact resistor adjacent to a first switching element(S401), two contact resistors, and a contact resistor adjacent to a second switching element. A capacitor is connected between the first switching element and the second switching element. A third switching element(S403) is connected between a voltage measuring unit and a common point of the first switching element and the capacitor. A fourth switching element is connected between the voltage measuring unit and the common contact of a second switching element(S402) and the capacitor.
Abstract:
PURPOSE: A heating device of a hybrid vehicle is provided to effectively reduce the heating load of a vehicle by guiding, the air heated by cooling an integrated package module, to the front of the vehicle, and then by supplying it to the air conditioning device of the vehicle. CONSTITUTION: A heating device of a hybrid vehicle comprises a guide duct(12) and a direction control unit. The guidance duct supplies the air heated by the cooling of the integrated package module(11) to the air conditioning device located at the front of the vehicle. According to the manipulation of a heating switch, the direction control unit guides the heated air to the guide duct or the outside. The direction control unit comprises a direction control valve and an electronic control unit. The direction control valve is formed at an exhaust duct directing the air heated through the cooling of the integrated package module to the outside. According to the manipulation of the heating switch, the electronic control unit controls the direction control valve to adjust the flow direction of the air to the guide duct or the outside.
Abstract:
본 발명은 하이브리드 차량의 통합 패키지 모듈용 덕트구조에 관한 것으로, 냉각공기를 통합 패키지 모듈의 내부로 유입시키기 위한 흡입구와 통합 패키지 모듈 사이를 연결하는 덕트의 길이를 최소화시켜 차량의 중량과 원가를 절감시키면서 실링성 및 장착성을 향상시키고, 통합 패키지 모듈의 내부에 덕트를 장착하여 배터리 모듈과 전자부품들 사이의 유량손실을 방지함과 더불어 냉각성능도 향상시킬 수 있도록 패키지트레이의 통합 패키지 모듈과 인접한 상부면에 냉각공기가 유입되게 하는 제1흡입구가 형성됨과 더불어 상기 후방 패키지트레이의 프론트 하부 후방면에도 냉각공기가 유입되는 하는 제2흡입구가 각각 형성되고, 상기 제2흡입구는 유입덕트의 일단과 연통하도록 접속됨과 더불어 상기 유입덕트의 타단은 상기 통합 패키지 모듈의 케이스와 연통하도록 접속된 것을 특징으로 한다. 통합 패키지 모듈, 유입덕트, 안내덕트
Abstract:
PURPOSE: A battery voltage sensing device for a hybrid vehicle is provided to maintain contact force which is stronger than contact force of a spring due to increasing contact area from point contact to line contact. CONSTITUTION: A battery voltage sensing device for a hybrid vehicle comprises a cell lead tab(15) which is attached to a side of a cell module(14) and a receptacle(16) whose top end is inserted into a cell lead tab in order to measure the voltage of a battery. The top end of the receptacle is formed in a widening structure so that the both sides of the receptacle easliy contacts with the cell lead tab.
Abstract:
PURPOSE: A duct structure for an integration package module of a hybrid vehicle is provided to reduce a weight and cost of the vehicle by minimizing a length of an inflow duct by forming an L-shaped cooling flow path. CONSTITUTION: A duct structure for an integration package module(2) of a hybrid vehicle comprises a first inlet and a second inlet. The first inlet is formed in an upper side adjacent to the integration package module of a package tray(1a). Cold air flows into the first inlet. The second inlet is formed in a front lower part rear surface of a rear package tray. The cold air flows into the second inlet. The second inlet is connected to one end of an inlet duct(3). The other end of the inlet duct is connected to a case(2a) of the integration package module.
Abstract:
PURPOSE: An electric vehicle battery control and test system is provided to allow for integrated test of battery and other devices including a battery management unit, charger and a main controller. CONSTITUTION: An electric vehicle battery control and test system comprises a main controller for controlling an overall test sequence including a charge process, discharge process and a rest cycle; a charge/discharge test unit for performing discharge of the battery in accordance with the programmed discharge pattern, and stopping the discharge process upon occurrence of trouble; an electric vehicle control unit(10) including an inverter and motor control unit(11) for setting a travel mode of the electric vehicle and recognizing a charging mode, a DC-DC converter(12) for supplying power of 12V and permitting charge of the auxiliary battery, and a charger(13) for setting a charging mode and performing a charging operation; a contact box for automatically cutting off circuit; a battery management unit(20) for sensing the state of the battery mounted to the electric vehicle, and managing the sensed state; a test information display panel(30) for displaying information on the battery charge and discharge cycle and the current test state; an AC relay(40) for setting the control unit and the battery management unit to operate in a charging mode by connecting a charging mode start relay and AC 220V to the charger; a junction box for distributing signal lines; and a computer(50) for displaying and storing test data.
Abstract:
PURPOSE: A system for controlling an electronic devices of an electric vehicle is provided to increase the stability of the system by integrating a wire harness, a fuse box, an ETACS(Electronic Time Alarm Control system), and a 12V-auxiliary battery on one unit. CONSTITUTION: A power transforming unit(110) converts high voltage power outputted from a main battery into low voltage power. A control unit(120) unifies the high voltage power outputted from the main battery and power of the power transforming unit(110). The control unit(120) performs a control operation so as to supply low voltage to a low voltage power driving system of the electric vehicle through the power transforming unit(110). The power transforming unit(110) includes a DC(Direct Current)-to-DC converter for making 12V-power and connecting power to a high voltage power driving system of the electric vehicle to supply high voltage to the control unit(120).
Abstract:
이 발명은 하이브리드 자동차, 연료전지 자동차, 전기 자동차 등의 에너지 저장장치인 고전압 배터리의 초기 충전시 고전압 릴레이를 보호하는 회로에 관한 것이다. 이 발명에 따른 자동차 고전압 배터리의 초기충전회로는, 고전압배터리와 고전압 릴레이와, 인버터를 포함하는 자동차에서, 상기 고전압 릴레이에 병렬로 연결되며 등가저항이 가변되는 저항가변초기충전회로를 포함한다. 하이브리드, 자동차, 배터리, 초기충전, 고성능, 연료전지, 리튬
Abstract:
이 발명은 하이브리드 자동차, 연료전지 자동차, 전기 자동차 등의 에너지 저장장치인 고전압 배터리시스템의 전류를 션트저항(shunt resistor)을 이용하여 측정하는 장치에 관한 것이다. 이 발명의 전류측정장치는, 고전압 배터리시스템에서 출력되는 전류에 비례하는 전압을 발생하여 상기 고전압 배터리시스템의 전류를 센싱하는 션트저항과, 상기 션트저항에서 센싱된 전류를 신호처리하여 검출하는 배터리제어기를 포함한다. 상기 배터리제어기는, 상호 절연된 1차측과 2차측으로 이루어지고 상기 션트저항에서 출력되는 전압을 일정 PWM(pulse width modulation) 주기로 온/오프하는 반도체스위치소자와, 상기 반도체스위치소자에서 상기 일정 PWM 주기로 온/오프되는 상기 션트저항의 출력전압을 1차측으로 입력받아 2차측으로 전달하는 변압기와, 상기 변압기의 2차측에서 출력되는 신호로부터 상기 고전압 배터리시스템의 전류를 연산하고 상기 반도체스위치소자가 상기 일정 PWM 주기로 온/오프되도록 제어하는 중앙처리장치를 포함한다. 하이브리드, 자동차, 전류, 션트저항
Abstract:
PURPOSE: A battery switch protection device and a method thereof are provided to prevent the electric shock of a driver by preventing damage to a battery switch. CONSTITUTION: A battery switch protection device comprises an inverter(120), a battery(130), a battery switch part, an overvoltage prevention part(170) and a controller(160). The inverter converts electric energy into mechanical energy. The battery gives high voltage to the inverter. The battery switch part transfers the high voltage of the battery to the inverter. The overvoltage prevention part prevents the overvoltage given in the battery switch part.