Abstract:
Disclosed are a control device and a control method of an EGR valve for a vehicle. According to an embodiment of the present invention, the control method of an EGR valve for a vehicle comprises: a step of learning an initial cold position of the EGR valve in an ignition-on state; a step of detecting the temperature of a coolant if the operation of an engine continues; a step of detecting the temperature of the EGR gas when the temperature of the coolant is greater than or equal to a reference temperature; a step of having a certain duration if the temperature of the EGR gas is greater than or equal to the reference temperature; and a step of learning an initial hot position of the EGR valve if the certain duration for the EGR valve passes.
Abstract:
릴레이 장치에서 내부 스위치의 접점이 오프되는 시점에서 발생되는 서지(Surge) 전압을 제거하도록 하는 것으로, 제어 회로의 제어 신호에 따라 기전력을 발생시키는 여자 코일과, 상기 여자 코일에 유기되어 있는 잔류 기전력을 제거시키는 제1저항과, 여자 코일에서 발생되는 기전력에 의해 작동되어 제1접점과 제2접점을 단속하여 전원단과 부하간의 전원 공급을 단속하는 제1스위칭 단자를 포함하며, 제1스위칭 단자와 연동되어 동작되며, 상기 제1스위칭 단자가 제1접점과 제2접점을 연결하는 온 상태에서 제3접점과 제4접점의 연결을 차단하고, 제1접점과 제2접점의 연결이 차단되는 오프 상태에서 제3접점과 제4접점을 연결시키는 제2스위칭 단자와. 상기 제1스위칭 단자와 제2스위칭 단자의 일측 단부를 결합하여 상기 제1스위칭 단자와 제2스위칭 단자가 연동되어 동작되도록 하며, 제2스위칭 단자측으로의 전원 공급이 차단되도록 하는 절연체로 이루어지는 분리대와, 제2스위칭 단자에 의해 제3접점과 제4접점이 연결되는 경우 제1접점 및 제2접점의 오프 시점에서 발생되어 부하 라인에 유기되는 서지 전압을 제거하는 필터를 포함한다. 릴레이, 여자 코일, 기전력, 서지 전압, RC 필터
Abstract:
본 발명은 커넥터 결합과 탈거시 서지(Surge) 발생을 효율적으로 억제하여 커넥터 단자의 마모 및 단품에 끼치는 치명적인 영향을 최소화할 수 있는 서지 저감용 커넥터에 관한 것으로, "+"터미널과 전기적으로 회로 연결되는 "-"터미널을 구비하고, 암 커넥터(Female Connector)에 결합되는 수 커넥터(Male Connector)와; 상기 "+"터미널과 전기적으로 회로 연결되는 "-"터미널 사이에서 스위칭 상태에 따라 상기 "+"터미널과 "-"터미널의 전기적인 회로 연결상태를 단속하는 록 스위치(Lock Switch)와; 상기 수 커넥터의 "+"터미널과 "-"터미널에 각각 연결되는 와이어(Wire)를 포함하여 구성한다.
Abstract:
PURPOSE: A connector for surge reduction is provided to effectively eliminate a surge generated upon coupling and separation between a male connector and a female connector so as to reduce a surge caused by high current. CONSTITUTION: A male connector(120) includes a negative terminal(124) electrically circuit-connected to a positive terminal(122) and is coupled to a female connector(110). A lock switch(130) controls an electrical circuit connection state of the positive terminal(122) and the negative terminal(124), according to switching states between the positive terminal(122) and the negative terminal(124) electrically circuit-connected thereto. And wires(142,144) are respectively connected to the positive terminal(122) and the negative terminal(124) of the male connector(120), wherein the length of the positive terminal(122) and the length of the negative terminal(124) are made different with each other to allow one terminal of the male connector(120) to be coupled or separated earlier than the other terminal upon coupling or separation between the male connector(120) and the female connector(110).
Abstract:
PURPOSE: A connector for reducing a surge current is provided to decrease the surge current that is generated when a male connector assembly and a female connector assembly are detached from each other. CONSTITUTION: A connector includes the first and second electrodes(24,26), and a bypass circuit that selectively electrically connects the first and second electrodes to each other. The bypass circuit includes a switch(34) that is manually operated, and a resistor(32) that is electrically connected between the first and second electrodes according to the operation of the switch. The bypass circuit further includes a condenser(36) that is connected in parallel with the resistor.
Abstract:
PURPOSE: A start motor controlling apparatus is provided to protect a start motor and an engine from a shock by preventing the start motor from being operated when the engine is operated. CONSTITUTION: A start motor controlling apparatus includes an ignition switch(2) connected to a battery for transferring electric power of the battery to a start motor(1) when a user shifts an ignition key into a start position. The start motor(1) is connected to the ignition switch(2). A relay(3) is positioned between the start motor(1) and the ignition switch(2). A transistor(4) is provided to transfer a driving power in order to shut off a switch(3a) of the relay(3). A transistor driving circuit(5) is provided to drive the transistor(4). A tachometer(6) applies a voltage signal to the transistor driving circuit(5).
Abstract:
PURPOSE: A fuel amount measuring apparatus is provided to obtain an accurate resistance value regardless of fuel which flows in accordance with the travel or road condition, by maintaining the floater at the position of oil level of the fuel. CONSTITUTION: An apparatus comprises a driving unit(10) arranged in a case(1) of a fuel tank(F) so as to rotate in a clockwise or counter-clockwise direction by the resistance value; an operating unit(20) which is lifted or lowered within the fuel tank in accordance with the operation of the driving unit; a sensor unit(30) for sensing the temperature of fuel tank and change of fuel state and generating an electrical signal for determining whether to operate the driving unit, in accordance with the sensed result; and a display unit(40) for generating, in a resistance value, the amount of fuel in the fuel tank in accordance with the operation of the driving unit.
Abstract:
PURPOSE: A crack preventing baffle plate is provided to prevent cracks by reducing rigidity by forming an opened scallop at a baffle plate where stress is focused. CONSTITUTION: A crack preventing baffle plate(200) comprises: a body(210) which is formed with a flat plate which blocks oil leakages and wherein a groove is formed in the longitudinal direction; a weld flange(220) which is formed in order to be bent the outer edge of the body; and a scallop(211), which is formed with an opening in a site where the weld flange and the edge of the body meet, formed with a through hole cylinder shape in which one side is opened.