1956 results about "Ignition switch" patented technology

A secondary seat belt warning system for alerting a vehicle occupant when a seat belt is unbuckled. The secondary seat belt warning system includes an ignition switch for generating a signal indicating an ignition in an on position, a seat belt sensor for generating a signal indicating that the seat belt is unbuckled, and a seat belt indicator for producing an audible and visible indicator to the vehicle occupant. The secondary seat belt warning system also includes a control module to activate the seat belt indicator in response to the input from the ignition switch and seat belt sensor. The secondary seat belt warning system further includes a vehicle speed sensor to activate the secondary seat belt warning system when the control module receives a signal above a predetermined threshold from the speed sensor indicative of the vehicle speed.

An ECU executes a program including a step of turning on an SMRP and an A-SMRP if an ignition switch is turned on; a step of detecting voltage values VB(1) and VB(2) of running batteries when VH is detected and if VH is higher than 180 V; a step of detecting that SMRP connected to the running battery is welded, if VB(1) is higher than 150 V; and a step of detecting that A-SMRB connected to the running battery is welded, if VB(2) is higher than 150 V.

A boat control system includes trim tabs mounted on the lower transom of a boat, with an electric trolling motor attached to each tab. The control system controls positioning of the trim tabs within a trim range and within a troll range. If a main engine ignition switch changes from off to on while the trim tabs are within the troll range, the control system automatically moves trim tabs positions out of the troll range, and disables the trolling motors.

The present invention is to provide an equalizing method and an apparatus thereof for preventing unit cells from being over charged and discharged. After an ignition switch is turned off, CPU checks a voltage of a main battery and judges whether the main battery is in a state of equilibrium or not. When the main battery is in the state of equilibrium, the CPU controls a first and second switch groups to equalize voltages of unit cells included in the main battery by repeating a charge transfer from a maximum voltage cell to a minimum voltage cell for a predetermined period of time.

After an ignition switch is turned off, in order to suppress operation of an air compressor and thereby reduce noise, liquid droplets residing in an oxygen-containing gas flow field as well as liquid droplets residing in a fuel gas flow field are removed during separate time periods, such that the flow rate in the oxygen-containing gas flow field and the flow rate in the fuel gas flow field do not become large at the same time. Then, an electrolyte membrane is dried using an oxygen-containing gas, in order to improve the performance upon starting a next operation.

In some embodiments of the present invention, a modular vehicle ignition system is disclosed that is capable of housing various components, such as a lock cylinder, a remote keyless entry (RKE) transceiver, a radio frequency identification (RFID) transceiver, an operator identification system, a steering column lock, an ignition switch, and the like. In some embodiments, one or more of these components is coupled to a circuit board that is coupled to the housing. Furthermore, one or more of these components can be networked to other electronic and electromagnetic systems of the vehicle.

Apparatus for monitoring an electrical power supply system of a vehicle, the vehicle having a battery and internal combustion engine, an alternator, and a starter. The apparatus has a filter for determining the battery terminal voltage when the vehicle ignition is turned on. There is also a voltage gradient detector for detecting phase and gradient change of the battery terminal voltage when the vehicle ignition is on. A waveform detector is used for detecting and separating different waveforms when the vehicle ignition is on, and an engine-rotating sensor is used to sense a speed of the internal combustion engine when the vehicle ignition is on. Also included is a processor for processing at least one of the battery terminal voltage, the phase and gradient change, the different waveforms, and the speed of the internal combustion engine. An output is provided that is indicative of a condition of the electrical power supply system. A system for monitoring an electrical power supply system of a vehicle is also disclosed.

A belted-alternator starter system that continuously provides pre-flux when the vehicle ignition is on and the engine is off to provide a faster torque response when the engine is turned on. The alternator/starter device operates as an alternator for providing electrical energy to vehicle electrical devices and the battery when the ignition is on and the engine is running, and operates as a starter for providing engine torque to start the engine when the engine is off and the ignition is on. The system further includes an inverter/rectifier circuit to provide AC current to the armature coils when the alternator/starter device is operating as a starter. The system provides an operating field current to the field coil when the ignition and the engine are on and provides a pre-flux field current to the field coil when the vehicle ignition is on and the engine is off.

In a power source circuit for supplying electric power of a battery, a capacitor is charged by the battery when an ignition switch and a power supply relay are closed. The power supply relay is opened after the ignition switch is closed. The charge voltage of the capacitor falls, if the power supply relay has no fixed-closure abnormality. The charge voltage of the capacitor does not fall, if the power supply relay has the fixed-closure abnormality. A microcomputer diagnoses the power supply relay with respect to its fixed-closure abnormality based on the charge voltage of the capacitor when the ignition switch and the power supply relay are operated to open.

The invention provides an electric control method on a blade electric vehicle and the blade electric vehicle. The method includes the steps of when the vehicle is completely powered off, judging whether the vehicle has a powering request or not, if yes, controlling a main relay of the vehicle to be turned on, supplying power to a motor controller, a battery management system and a low-voltage power utilization device through a power battery to conduct low-voltage powering, after low-voltage powering is completed, judging whether a brake signal and a vehicle startup switch signal can be detected or not and whether high-voltage powering conditions are met or not, if the brake signal and the vehicle startup switch signal are detected and the high-voltage powering conditions are met, sending ahigh-voltage powering instruction to the battery management system through a whole-vehicle controller, and sending a motor enabling instruction to the motor controller to conduct high-voltage powering. The signal interaction between all controllers in the powering process of the blade electric vehicle and the actions which should be executed after instruction signals are received are explicitly stipulated, and therefore the reliability and safety of the powering process of the blade electric vehicle are improved.

The invention discloses a vehicle control unit of an electric vehicle; the control unit is an embedded controller based on a singlechip and is provided with 6 interfaces; an accelerator pedal sensor, a brake signal sensor and a working voltage current Hall sensor of the control unit are connected with A/D interfaces; a rotation speed sensor is connected with a PWM interface; an ignition switch, a power failure are connected with an I/O interface; a storage cell management system, a power-assisted steering system, an electric motor controller and a solar cell panel controller are connected with a CAN communication interface by a high-speed CAN bus; a calibration matching and a failure diagnosis are connected with an SC10 communication interface; a light management system is connected with an SCI1 communication interface by a LIN bus; the control unit carries out communication by the bus and accepts, filters and handles the vehicle state.

A tire pressure monitoring system having a monitoring unit that receives the output of a transmitted pressure sensor through a receiving antenna, and compares the output with a predetermined value to determine whether the tire pressure is proper, and informs a result of the determination to an operator by an indicator or alarm section connected to an onboard battery through an ignition switch. In the system, an operating switch is installed in a vehicle compartment to be operable by the operator for supplying the operating power to the indicator by connecting it to the battery, while bypassing the ignition switch. Alternatively, a portable terminal device to be carried by the operator is connected to the monitoring unit in such a manner that the monitoring unit transmits the result of the determination to the portable terminal device to inform the result of the determination to the operator by a second indicator provided at the portable terminal device. With this, the operator's work is facilitated when pumping up the tire with insufficient pressure.

The invention discloses an automobile indoor air quality monitoring system and method. the system comprises car body controller connected to power supply through ignition switch, air conditioning unit, anti-theft loudspeaker, trouble alarm lamp located at the input terminal of the car body controller and connected to at least two air sensing unit for observing and measuring air quality in and out the automobile, and output terminal connected to anion generator, ozonizer, and oxygen generator control valve. Car body controller observes and measures air quality in and out the automobile through the air sensing unit, performs contrast to judge whether unlocking anion generator, ozonizer, and indoor air extrinsic cycle or not, performing dust filtration to the outer air. The system has autocycle monitor supervision and gaseous exchange functions.

The battery control device includes: a state detecting means which acts by receiving electric power from an on-vehicle low-voltage battery having a supply voltage lower than that of an on-vehicle high-voltage battery composed of a plurality of unit cells connected together in series and detects a state of the on-vehicle high-voltage battery to monitor the on-vehicle high-voltage battery; an equalizing means for equalizing a voltage of each unit cell; and a control means which acts by receiving electric power from the on-vehicle low-voltage battery and starts to control the equalizing means in response to turning-off of an ignition switch, wherein the control means cuts electric power supply supplied from the on-vehicle low-voltage battery to the state detecting means after the turning-off of the ignition switch and before the control means starts to control the equalizing means.

The invention discloses a parking brake control system and method for a vehicle, and the vehicle. The system includes: at least one electronic parking caliper for braking the wheels of the vehicle; an electronic parking switch for Receive the parking command from the driver; the communication network connected with the engine system, gearbox system, and body control system is used to obtain engine status signals, gearbox gear signals, ignition switch status signals and brake pedal signals; electronic parking The control device is used to obtain the driver's parking intention according to the engine state signal, the gearbox gear signal, the ignition switch state signal and the brake pedal signal, and to control the driver's parking intention according to the driver's parking intention. The electronic parking caliper is controlled, or the electronic parking caliper is controlled according to the parking command. The system of the embodiment of the present invention reduces the cost while realizing the weight reduction of the whole vehicle, and reduces the risk of accidental damage to the gearbox.