372 results about "Ignition switch" patented technology

An in-vehicle control device disclosed herein is an in-vehicle control device to be mounted in a vehicle and includes a control unit that transmits at least some of vehicle data collected by the vehicle to an external device that is provided outside of the vehicle and communicates with the in-vehicle control device via a network. When an ignition switch of the vehicle is switched off, the control unit executes calculation control for calculating a transmittable amount of the vehicle data based on a remaining battery charge of the vehicle, extraction control for extracting, from the vehicle data, first data that fits within the transmittable amount, and first transmission control for transmitting the first data to the external device and not transmitting second data that is different from the first data out of the vehicle data to the external device.

Steering wheel control device of an SBW (steer-by-wire) system (20), comprising: a dominant control (10) configured to generate a start-up signal while a vehicle's ignition switch is off; a motor drive unit (27) configured to generate a steering reaction force against a steering wheel (22) by means of a motor; and a steering wheel control configured to generate the steering reaction force to affect the steering wheel rotation by controlling the motor drive unit (27) according to the start-up signal, wherein the steering wheel control short-circuits a phase of the motor via the motor drive unit (27) to generate an electromotive counterforce against the motor when the steering wheel (22) is turned by an external force, characterized in that that the dominant control (10) generates the start-up signal when a smart key is pressed while the ignition switch is off, or when a vehicle door handle is pressed to open a door while the ignition switch is off.

To provide a power supply control device and a power supply control program capable of preventing a switch from failing even when a surge occurs when an IG is turned on to start supplying power from a main power supply to a load.SOLUTION: A power supply control device according to an embodiment includes a first switch, a second switch, and a controller. The first switch connects a main power supply to a load. The second switch connects a sub-power supply to the load. The controller controls the on / off of the first switch and the second switch. When an ignition switch is off, the controller turns off the first switch and turns on the second switch. When the ignition switch is on, the controller turns off the second switch and then turns on the first switch.SELECTED DRAWING: Figure 9

A system for plugging a wellbore includes a plug including an annular sealing element, a setting tool configured to couple with the plug and including an energetic element, the setting tool configured to shift the plug from an initial configuration to a set configuration in response to ignition of the energetic element, and a setting tool initiator including an addressable igniter switch and an igniter, wherein the igniter is configured to ignite the energetic element of the setting tool in response to the igniter switch receiving a firing signal addressed to the igniter switch, and wherein the setting tool initiator is configured to shift the igniter switch from an operational state to an inoperable state in response to the ignition of the igniter.

The invention discloses a control method, system and device for vehicle external temperature display and a storage medium, and belongs to the technical field of automobiles, and the control method comprises the steps that 1, the state of an automobile ignition switch is judged, and if 0FF is converted to 0N, the step 2 is executed; 2, judging whether the temperature value acquired by the external temperature sensor is in a normal range or not, and if the temperature value is in the normal range, entering a step 3; thirdly, the water temperature of the engine is judged, if the water temperature is smaller than or equal to the temperature set value, the collected current temperature value is sent to an air conditioner controller, and the collected current temperature value serves as the temperature display value outside the automobile to be displayed; if the water temperature of the engine is larger than the set value, entering the fourth step; fourthly, the vehicle speed is judged, and if the vehicle speed is smaller than or equal to the vehicle speed limit value, the current temperature value collected in the third step serves as the vehicle exterior temperature display value to be displayed; and if the vehicle speed is larger than the vehicle speed limit value, the real-time temperature value collected by the external temperature sensor serves as the vehicle external temperature display value to be displayed. The method effectively avoids the problem of inaccurate external temperature under special working conditions.

The invention discloses an automobile load power supply circuit and device, and relates to the technical field of power control, the automobile load power supply circuit comprises a first switch circuit, a second switch circuit and a third switch circuit, when an automobile ignition switch is closed, the first switch circuit is conducted, then the third switch circuit is conducted, and the second switch circuit is switched on; when the automobile ignition switch is switched off, the controller and / or the transceiver controls the first switching circuit to be switched on, and / or the controller controls the second switching circuit to be switched on, so that the third switching circuit is maintained to be switched on, and a control signal can be output through the automobile ignition switch or the control signal can be continuously output through the transceiver. When the controller is reset or breaks down, the self-locking function and power supply of the automobile load power supply circuit are still maintained, and the stable working state of the circuit is guaranteed.

To provide a power supply control device capable of suppressing a power supplied from a second power supply without stopping a power supply to a second load during an initial check.SOLUTION: A power supply control device according to an embodiment includes an inter-system switch that connects a first system that supplies a power from a first power supply to a first load and a second system that supplies a power from a second power supply to a second load; a battery switch that connects the second power supply to the second system; a backup circuit; and a controller. The backup circuit is provided to the second system, and is constructed by parallely connecting a DC-DC converter and a backup switch. The backup switch contains a pair of switching elements of which a direction of a parasitic diode is inversely connected, each other. The controller performs an off-fixing check of each switching element of which a cathode of the parasitic diode contained in the backup switch is connected to the second power supply side in a period when an ignition switch in an OFF.SELECTED DRAWING: Figure 1

The invention relates to the technical field of vehicle safe driving, in particular to an alcohol detection and vehicle control system for safe driving of a driver, which comprises an alcohol detection system, a core control system and an application monitoring system, the alcohol detection system comprises an air pressure detection sensor, a sound recognition sensor, a passive alcohol detection sensor, an active alcohol detection sensor, an infrared body temperature sensor, a camera, an NFC module and a fingerprint recognition module; the core control system comprises an ignition switch control circuit, a 4G communication module, a positioning module, a power supply circuit, a voice module, an automobile CAN bus module and a master control core system. The application monitoring system is connected with the cloud application system through the Internet, and the collected local data and the detection result are reported to the server application monitoring system, so that the risk of alcohol in the body of the driver to safe driving can be reduced.

The invention discloses a hydrogen hybrid power vehicle operation mode control method and device, equipment and a medium, and belongs to the technical field of hydrogen hybrid power vehicles. The hydrogen hybrid power vehicle operation mode control method comprises the steps that when an ignition switch of a hydrogen hybrid power vehicle is set to be in an ON gear and no whole vehicle fault exists or no whole vehicle fault of which the fault level is equal to a first preset level exists, the ignition switch of the hydrogen hybrid power vehicle is switched to be in an ON gear; according to the state of a gas-electricity system, the state of a hydrogen storage system, the residual electric quantity of a fuel cell and the allowable charging power of a battery management system, the vehicle operation mode is determined, and the first preset grade is the highest grade in all possible whole vehicle faults; and the hydrogen hybrid power vehicle is controlled to operate according to the determined vehicle operation mode, the problem that in the prior art, the operation mode of the vehicle is determined only according to the SOC value of the fuel cell, and the personal safety of a user is directly affected due to damage of a high-pressure system in a hydrogen fuel system is solved, and the safety performance of the vehicle can be improved.

An air conditioning control apparatus includes a storage and a processor. The storage stores a recommended temperature setting previously set in accordance with an outside air temperature outside a vehicle. The processor stores an off-time outside air temperature and an off-time temperature setting in the storage at a time of turning off a vehicle's ignition switch. The processor controls a vehicle air conditioner based on the off-time temperature setting, upon turning on the ignition switch and when a difference between an outside air temperature at present and the off-time outside air temperature is less than a predetermined value, and controls the vehicle air conditioner based on the recommended temperature setting corresponding to the outside air temperature at present, upon turning on the ignition switch and when the difference between the outside air temperature at present and the off-time outside air temperature is greater than or equal to the predetermined value.

The invention provides a vehicle control method, a vehicle control unit and a vehicle, and the method can comprise the steps that under the condition that the state of charge of a power battery of a target vehicle is in a first set interval, whether an ignition switch of the target vehicle is in an on state or not is judged; wherein the lower limit of the first set interval is not smaller than a first threshold, and the first threshold is the minimum value of high-voltage power-on of the target vehicle; under the condition that the ignition switch is in the on state, whether an accelerator of the target vehicle is larger than an accelerator threshold value or not is judged, and whether the duration is larger than a first time threshold value or not is judged; and under the condition that the accelerator is larger than the accelerator threshold value and the duration time is larger than the first time threshold value, a threshold expansion mark is activated, and high-voltage power-on is conducted on the target vehicle. In the implementation mode, under the condition that the charge state of the power battery is controlled not to be lower than the minimum limit, the vehicle can be controlled to achieve high-voltage power-on more flexibly.

The utility model discloses a safety basket lock for an electric bicycle, which relates to the technical field of basket locks of electric bicycles and comprises a lock body and a lock clamping rod, and the lock body is provided with a slot used for being butted with the lock clamping rod. The anti-theft lock further comprises an elastic clamping piece and an electromagnetic unlocking mechanism, the elastic clamping piece is arranged in the inserting groove, and a clamping groove matched with the elastic clamping piece is formed in one side of the lock clamping rod. And the electromagnetic unlocking mechanism is arranged in the lock main body. The basket lock is powered by the power supply of the electric bicycle, the basket lock can be unlocked by pressing the normally open switch only when the electric door lock of the electric bicycle is opened and powered on, and the basket lock cannot be unlocked when the electric bicycle is powered off, so that only a person who controls a key of the electric bicycle can normally unlock and use the basket lock; and the bicycle basket lock is safe and anti-theft.

A rear wheel steering control system and method for vehicles may gradually perform rear wheel steering at a gentle ramp-up slope, compared to a conventional rear wheel steering control system and method, for a predetermined time period when the ignition of a vehicle is turned on in the state in which a front wheel steering angle is generated, to prevent rear wheels from being rapidly steered and to eliminate a sense of difference felt by a driver due to rapid rear wheel steering.

The utility model relates to the technical field of motorcycle accessories, and discloses a locking driving mechanism and an ignition switch assembly. The locking driving mechanism comprises a bottom plate with a shaft hole, a cover body covering the bottom plate to form a mounting cavity, a motor mounted in the cavity and provided with an output shaft with an output gear, and a telescopic rod penetrating through the shaft hole and an end driving tooth surface to be in meshing transmission with the output gear. The design abandons complex electromagnetic drive, the structure is simple, and the cost is reduced. Through combination of the motor and the telescopic rod, parts are reduced, and the manufacturing process is simplified; the modular design facilitates maintenance, improves reliability, can adapt to different ignition switch assemblies, and is flexible in application.

The utility model provides a low-voltage power-on system for a vehicle and the vehicle, and relates to the technical field of vehicle power-on, the low-voltage power-on system comprises a battery pack comprising a low-voltage battery and a high-voltage battery; the first connecting end of the voltage conversion device is connected with the high-voltage battery, the voltage conversion device comprises a transformer module, and the transformer module is electrically connected with the high-voltage battery; a second connecting end of the voltage conversion device is connected with the low-voltage power supply chip through the low-voltage relay, a third connecting end of the voltage conversion device is connected with the low-voltage relay through the ignition switch, and one end of the low-voltage battery is connected with the voltage conversion device; the other end of the low-voltage battery is connected with the low-voltage power supply chip through the low-voltage relay; the low-voltage battery is connected with the ignition switch in parallel; when the working state of the low-voltage battery is abnormal and the ignition switch is powered on, the voltage conversion device converts high-voltage current output by the high-voltage battery into low-voltage current to supply power to the low-voltage power supply chip.

The invention discloses an intelligent control method for a multi-fuel-tank fuel system of an agricultural tractor, and relates to the technical field of agricultural machinery fuel control, and the method comprises the following steps: under the control of a processor, taking an ignition switch state as a trigger: obtaining a first environment temperature during power-on, and outputting a fuel pipeline switching valve opening / closing signal in combination with the fuel quantity of a low-grade fuel tank; pre-selecting an oil path; after starting, the heating electromagnetic valve is opened and closed according to the temperature of cooling liquid, and the high-grade fuel tank is switched back based on the temperature of fuel oil, so that heating and closed-loop management of an oil path are realized; and when the power is off, taking a second environment temperature, forcibly switching to a low-grade oil way when the temperature is less than or equal to 4 DEG C, operating for a set time, and then flameout, so that the system retains low-grade fuel oil. By automatically switching fuel oil and heating control, reliable starting and economical operation of the tractor in a low-temperature environment can be ensured, low-grade fuel oil is reserved in a pipeline after flameout, and difficulty in restarting is avoided.

The invention provides an electronic fuse for controlling firework launching, an implementation method of the electronic fuse and a display shell. The electronic fuse is characterized in that an MCU is connected with an IO pin of an IMU module through the IO pin; the MCU is connected with a DOUT pin of the electronic ignition dedicated chip through a DIN pin; the MCU is connected with a first port of the safety switch through a LOCK pin; the electronic ignition dedicated chip is connected with the non-polar dual-bus interface through an AB pin; a VDD pin is connected with the positive electrode of the energy storage capacitor, and a GND pin is connected with the negative electrode of the energy storage capacitor; the capacitor is connected with the positive electrode of the ignition capacitor through a VCHG pin, and is connected with the negative electrode of the ignition capacitor through a GND pin; the first port is connected with the second port of the safety switch through a VCHG pin; the second port is connected with the first port of the ignition switch through an FIRE pin; the first port is connected with the second port of the ignition switch through a GND pin; a third port of the ignition switch is connected with one end of the patch bridge wire / ignition resistor; and the other end of the patch bridge wire / ignition resistor is connected with a third port of the safety switch.

Device for quality assurance of the exhaust gas behavior in a motor vehicle with an internal combustion engine (1), comprising a control element (2) for specifying a desired drive torque (M) by the driver and comprising at least one electronic control unit (3): - an on-board diagnostic module (4) for performing an on-board diagnostic function for on-board diagnosis of the functionality of an exhaust-related component of the motor vehicle, - a memory module (5), - a control module (6) which is connected to the control element (2) for detecting the desired drive torque (M), to the on-board diagnostic module (4) for detecting the start of an on-board diagnostic function, to the storage module (5) and to the actuators of the internal combustion engine (1) for controlling the air mass (L) and the ignition (Z), and is designed such that the target air mass (L) corresponding to the desired drive torque (M) is stored when the on-board diagnostic function is started, and that if the desired drive torque (M) is reduced, this reduction is carried out by retarding the ignition (Z) while maintaining the stored target air mass (L), until the on-board diagnostic function is completed or aborted.

This invention discloses a vehicle control method, system, vehicle, and storage medium, relating to the field of vehicle thermal management technology. The method includes: acquiring the ignition switch state of the vehicle; in response to the ignition switch being in a dormant state, acquiring the ambient temperature of the vehicle and the turbine temperature of the engine exhaust system; and controlling the operating state of the cooling fan based on the ambient temperature and turbine temperature to cool the engine. This invention solves the technical problem in related technologies where inaccurate control of the cooling fan leads to engine damage.

The invention provides a road projection display control method and a display control device, which can display information in an appropriate direction corresponding to a direction toward an occupant approaching a vehicle without passing through a sensor or the like when presenting certain information to the occupant during riding or getting off the vehicle. According to the method for controlling the road projection display, an image is projected on a road surface (50) around an opening of a door (12) on the side of a vehicle (11) by a road projector unit, and when wireless unlocking is detected from a state in which an ignition switch is turned off when the vehicle (11) is stopped, the image is projected on the road surface (50) by the road projector unit. The projection control unit displays the upper side of the display pattern of the road projection display (63) on the vehicle (11) side.

The invention belongs to the field of vehicle switch control, and provides a self-learning protection electromagnetic main switch for a vehicle and a control method thereof, and the self-learning protection electromagnetic main switch comprises an electromagnetic main switch body and a control circuit connected with the electromagnetic main switch body. The control circuit comprises an input detection module and a voltage comparison module. The input detection module is connected with a current sensor of the electromagnetic main switch and the seat pressure switch. And the voltage comparison module is respectively connected with a power supply and an output driver of the control circuit so as to monitor a comparison result between the input power supply voltage and the standard under-voltage value and between the output power supply voltage and the standard under-voltage value. When the vehicle runs or is parked for a long time, the actual working states of the vehicle and a driver are judged by collecting power supply current, a control switch, an ignition switch, a starting signal, an engine revolution signal, a whole vehicle voltage signal, a driver off-seat signal and the like; the electromagnetic switch coil is controlled to keep a pull-in state, and power supply of a vehicle main circuit is guaranteed.

The invention relates to a power reversing control system and method based on braking and exhaust butterfly valve braking, which are used for solving the problem of long reversing time caused by slow speed reduction of the whole tractor in the opening process of a clutch during reversing of a high-horsepower tractor. The control system collects switching signals of an ignition switch, advancing, retreating, a neutral gear, parking, a left brake, a right brake, a seat, a clutch pedal switch and the like and analog signals of system pressure, advancing clutch pressure, retreating clutch pressure, a clutch pedal, brake pressure, oil temperature and the like. Meanwhile, rotating speed signals such as clutch input rotating speed, clutch output rotating speed, vehicle speed and vehicle speed direction are collected, and signals such as engine actual rotating speed, engine torque and exhaust butterfly valve opening are received through a CAN bus; when power reversing occurs, a control algorithm is operated, and a brake clutch and an exhaust butterfly valve are adjusted according to control logic, so that the braking capacity of the whole vehicle is remarkably improved, the reversing time is shortened, and the working efficiency is improved.

A pure electric vehicle steering pump control system comprises an ignition switch, a hand brake switch, a gear switch and a whole vehicle controller, the ignition switch is connected to the whole vehicle controller through a CAN line, the hand brake switch is connected to the whole vehicle controller through a CAN line, and the gear switch is connected to the whole vehicle controller through a CAN line; when a vehicle is at an idle speed, the electric steering pump provides a small rotating speed, and noise and vibration are reduced; under the low-speed condition, rated power-assisted steering is provided, and it is guaranteed that steering is light and convenient at the low speed; when the vehicle runs at a high speed, the steering force of the vehicle is increased, the phenomena of vehicle drifting and the like are reduced, the energy consumption is reduced to the greatest extent while the driving safety is guaranteed, and the control strategy only needs program upgrading, does not increase the cost and is suitable for general popularization.

A power management system for a vehicle includes a power source, a switching circuit, and a first converter electrically connected between the power source and the switching circuit. The first converter has a first power output threshold. A second converter is electrically connected between the power source and the switching circuit. The second converter has a second power output threshold that is lower than the first power output threshold. The control circuit is configured to, in response to an ignition-off condition of the vehicle, control the circuit to supply power to the at least one load, compare the power drawn by the at least one load from the second converter to the second power output threshold, and, in response to the comparison, communicate an output to limit the power drawn by the at least one load from the second converter.

Method for operating a vehicle's powertrain, wherein the drive train comprises a drive unit (1), an output (3) and an automated transmission (2) which is arranged in the drive train between the drive unit (1) and the output (3), wherein an input shaft (7) of the transmission (2) is connected to the drive unit (1) via a controllable disconnect clutch (6) and an output shaft (8) of the transmission (2) is connected to the output (3), wherein the transmission (2) has a main group (4), wherein, during a shutdown process of the drive unit (1), the main group (4) of the transmission (2) is moved into a neutral position and the neutral position is validated by means of a control-side predetermined, shutdown-process-side gate movement (14) of an actuating means of the main group (4) of the transmission (2), wherein a result of the plausibility check together with a target position of the shutdown-side lane movement (14) is stored in a control unit in a non-volatile memory of the same, wherein a subsequent start-up of the drive unit (1) can be carried out with the transmission (2) in neutral position, wherein, during the subsequent start-up process, when an ignition is activated, the result of the plausibility check of the neutral position and the target position of the shutdown-side lane movement (14) stored in the non-volatile memory are read out and the actual position of the actuating means is determined, the subsequent starting process of the drive unit (1) is then permitted if Data about a plausible neutral position can be read from the non-volatile memory, and Furthermore, the determined actual position of the actuating device corresponds to the stored target position.

The utility model relates to an engineering machinery ignition switch which comprises a lock body, a lock cylinder, a lock cylinder installation cavity, a blade groove, a blade and a clamping groove, the end portion of the lock cylinder is in linkage with a driving piece, the driving piece comprises a round rotating body and a strip-shaped connecting block which are integrally formed, the lock body is provided with a limiting groove, a plurality of sets of grooves are formed in the inner circumference of the rotating groove, and the round rotating body is provided with a through hole. A spring and a limiting block are arranged in the through hole; a cover plate is detachably connected to the end of the lock body, a plurality of sets of first component connecting holes are formed in the cover plate, and a plurality of sets of second component connecting holes are formed in the strip-shaped connecting block. The utility model provides an ignition switch for engineering machinery, which allows an automobile to be smoothly ignited after a key is inserted and correctly rotated, and under a specific limiting gear state, even if a hand is loosened, a lock cylinder is fixed due to the interaction of a limiting block and a groove, so that accidental rotation is prevented, the automobile is kept not flameout, but the key cannot be pulled out, and the safety performance is higher.

To provide an in-vehicle camera monitoring system capable of detecting, even when a control unit is in a sleep mode, disconnection caused by unauthorized camera replacement.SOLUTION: In an in-vehicle camera monitoring system 1, an imaging signal from a camera 4 capturing images of an interior of a vehicle can be input to a microcomputer 6 that is compatible with a sleep mode. A voltage detection unit constituted of resistive elements 15-17 is disposed on a communication line 3b for inputting the imaging signal to the microcomputer 6, and detects voltage changes on the communication line 3b even when a vehicle ignition switch 9 is in an OFF state. When waking up from the sleep mode upon input of the detection signal from the voltage detection unit, the microcomputer 6 determines whether or not a disconnection operation has occurred on the communication line 3.SELECTED DRAWING: Figure 1

The utility model relates to the technical field of ignition switches, in particular to a locomotive ignition switch, which comprises a knob and a lock body, at least one stay wire mounting cavity for mounting a stay wire is arranged on the lock body, and a spur rack linked with a lock cylinder sleeve, a gear meshed with the spur rack and a stay wire seat meshed with the gear are arranged in the stay wire mounting cavity. The gear is rotatably arranged in the stay wire mounting cavity, the stay wire seat and the spur rack can slide in the stay wire mounting cavity, a stay wire head is mounted in the stay wire seat, and the stay wire unlocking device has the advantage that the fluency of stay wire unlocking is improved.

To provide a vehicle capable of improving restartability by stopping a crank shaft at an intended position when stopping an internal combustion engine.SOLUTION: A vehicle (50) that drives a throttle valve (13) for adjusting output of an internal combustion engine (E) by using an actuator (14) and has an ignition switch (40) for turning on / off a power source includes: throttle valve control means (32) for performing driving control of the throttle valve (13); and use electric power detection means (31) for detecting use electric power of the vehicle (50). The throttle valve control means (32) performs throttle valve fully closing control for fully closing the throttle valve (13) if the use electric power detected by the use electric power detection means (31) is a predetermined value or smaller when the ignition switch (40) is turned off.SELECTED DRAWING: Figure 3

The utility model discloses an automobile ignition control circuit, which comprises a metal oxide semiconductor (MOS) tube Q1, a resistor R2, a diode D1, an optocoupler U1 and a resistor R1, wherein the grid electrode of the MOS tube Q1 is divided into three paths; the first path is connected with the resistor R2, and the resistor R2 and the drain electrode of the MOS tube Q1 access pulse signals together; the second path is connected with the positive electrode of the output end of the optocoupler U1, the negative electrode of the output end of the optocoupler U1 is grounded, the positive electrode of the input end of the optocoupler U1 is connected with a control signal, the negative electrode of the input end of the optocoupler U1 is connected with the resistor R1, and the resistor R1 is grounded; the third path is connected with the diode D1, and the diode D1 is grounded; and the source electrode of the MOS tube Q1 is grounded. The MOS tube is used for replacing a relay to serve as an ignition switch, and patch type electronic elements are adopted, so that the whole circuit board is small in size and light in weight, replaces original mechanical connection, can adapt to vibration occasions, and is good in pressure resistance, convenient to produce and low in cost.