310 results about "Hybrid car" patented technology

A solar energy system for a hybrid vehicle that utilizes an attachable solar panel to receive and convert solar energy into direct current electricity. A wiring harness directs the direct current electricity generated by the solar panel to a converter. The converter transforms the direct current electricity from a comparatively lower energy state to a comparatively higher energy state.

An exhaust emission control system of a hybrid car capable of relieving a load upon an engine fuel injection device by eliminating a use of sub-injection and recovering from S-poisoning as well as purifying an exhaust gas even by eliminating the use of sub-injection. The exhaust emission control system of an internal combustion engine, used for the hybrid car traveled by two types of power sources of a diesel engine and an electric motor, includes a combustion heater as separate body from the engine, a catalyst, provided in an exhaust passageway, for purifying an engine exhaust gas, a combustion gas passageway through which a combustion gas emitted from the combustion heater flows toward the catalyst, and a three-way valve for introducing the combustion gas to the catalyst via the combustion gas passageway or an EGR passageway when the diesel engine is in a stop state and when the electric motor is in a driving state.

The present invention is characterized by a hybrid car comprising a motor generator mechanically connected with the crank shaft of an internal combustion engine for driving a car wherein the internal combustion engine is started by electric power supplied by a battery and power is generated by rotation from the internal combustion engine to charge the battery, an inverter for controlling the drive and power generation of the motor generator, and a control circuit for controlling the inverter, this hybrid car further characterized in that the motor generator is driven by battery power to start the internal combustion engine, and after the internal combustion engine has started, the battery is charged by the generator mode operation of the motor generator using the power of the internal combustion engine, wherein a step-down chopper circuit is provided between the battery and the inverter, and step-down control is provided to ensure that the power generation voltage will reach the level of the battery charging voltage through the step-down chopper circuit.

The invention relates to a management and control method of a hybrid electric vehicle based on a digital twinning technology. According to the method, a hybrid electric vehicle digital twinning cloudvirtual model matched with a physical entity (hybrid electric vehicle) is built on a cloud simulation platform based on a digital twinning technology, and the simulation working environment of the hybrid electric vehicle digital twinning cloud virtual model is configured to be consistent with the actual working environment of the physical entity; a digital twin cloud storage computing platform dynamically collects physical data generated by operation of the physical entity and virtual data generated by operation of the cloud virtual model in real time and then performs data analysis and fusionprocessing; the data processing result is compared with the current hybrid electric vehicle operation data in real time to update the attribute characteristics of the cloud virtual model in real timeand obtain an optimal control strategy corresponding to the latest model based on the calibration performance and the current state of the physical entity in combination with the cloud online simulation technology, and the optimal control strategy is input into the physical entity to automatically change the operation control of the hybrid electric vehicle, thereby integrally achieving dynamic optimal control.

The invention discloses an energy management and control method for a plug-in four-wheel drive hybrid car. The method comprises a finished car working mode judgment method and a distribution and control method for torque in different working modes. On the basis of guaranteeing the driving performance of a finished car, the working modes of the hybrid car and working points of an engine, an ISG motor and a rear-drive motor in the different working modes are reasonably controlled. The basic energy management of the plug-in four-wheel drive hybrid car is achieved by using a concise and practical control strategy based on a logic threshold. Compared with the prior art, the energy management and control method and device have the advantages that by using the control method, on the basis of guaranteeing the power performance of the plug-in four-wheel drive hybrid car, the output torque of all power units are coordinated and controlled, so that the engine works in a low-fuel-consumption area as much as possible, and the fuel economy of the hybrid car is improved.

By a lean burn operation, a highly efficient operation region is enlarged, the proportion of engine operation in a low torque condition is increased, and the proportion of motor operation using a battery is decreased. It is possible to provide a hybrid car of an engine-electric motor configuration which can effect a highly efficient operation without increasing the capacity of motor and that of battery.

This invention relates to one mixture dynamic mobile DC to DC conversion control system and its method, which comprises high voltage dynamic power system and low voltage mobile electrical system and is characterized by the following parts: converter is connected to controller through one set of signal wire to combine converter and controller to fulfill control and execution, wherein, the converter determines the its work status according to low voltage electrical system and high voltage battery status and environment temperature and itself factors.

The invention discloses a hardware-in-loop test bed of a hybrid car brake coordination control system, which comprises a driver operation test system (1), a hydraulic brake test system (48), a data processing module (46) a model simulation test system and a motor brake test system (19), wherein, a hydraulic control valve (58) in the hydraulic brake test system (48) is a test object and can be replaced by other hydraulic valves to be tested for testing hydraulic work characteristic. A permanent magnet synchronous motor (34) in the motor brake test system (19) is the test object and can be replaced by other motors to be tested for testing energy recycling characteristic. A brake operation mechanism in the driver operation test system (1) is the test object and can be replaced by other operation mechanisms to be tested for testing the relation of master cylinder pressure, footplate stroke and footplate force. The hardware-in-loop test bed of the hybrid car brake coordination control system can carry out the integral performance test of the hybrid car brake control system which comprises hardware and control strategy.

A travel mode setting device for a hybrid car capable of ensuring the security against car theft and convenience when the car is lent to the third party. The hybrid car has travel drive sources and selectively uses one of them and can travel in one of travel modes. Authenticating means separately authenticate the car user and creates authentication results. Limiting means limits the travel modes to the usable travel modes according to the results of the authentication by the authenticating means.

The invention discloses a hybrid car control method and system based on a fuel cell and a lithium cell. The method comprises the steps that a high-voltage electricity charging control instruction is received, the lithium cell is connected to a high-voltage loop circuit, and high-voltage electricity is charged for a complete vehicle; the electric quantity of the current lithium cell and the state of the fuel cell are detected; according to the detection result, a corresponding power supply control mode is sought in a preset cell state and control mode corresponding relation list, and power supply control is conducted on the fuel cell and the lithium cell according to the power supply mode obtained through seeking. The hybrid car control method based on the fuel cell and the lithium cell can fully bring advantages of the fuel cell and the lithium cell into play, a hybrid car can be environmentally friendly in discharge and can also be suitable for various complex working conditions, and the driving requirements are met; in addition, the utilization efficiency of energy power supply of the two kinds of the cells can be improved. That is to say, by means of the method, the car can completely use clean energy to promote environmental friendliness, the driving range can be increased, and the defect that the driving range of a full electric vehicle is short is overcome.

The invention relates to a hybrid power transmission system and a control method thereof for a hybrid car. The hybrid power transmission system mainly comprises an engine, a first electric motor, a second electric motor, a planetary gear, a main shaft, a first clutch and a third clutch. Different operational modes of the hybrid power transmission system can be realized through controlling the engine, the first and the second electric motors to stop or work, and controlling the connection or disconnection of the first clutch, a second clutch or a brake and the third clutch.

The present invention provides a lead-acid battery superior in high-efficiency charging characteristic to conventional lead-acid batteries; and a carbon material used in the lead-acid battery, having excellent charge acceptability. That is, the present invention provides a lead-acid battery which uses, as an additive to the anode active material, a simple substance and/or a compound thereof, both having a catalysis for desulfurization or a catalysis for SOX oxidation by adding to or loading on a carbon material such as active carbon, carbon black or the like and thereby has superior high-efficiency charging characteristic and improved charging acceptability. When such a lead-acid battery whose anode contains a carbon material containing or loading thereon the above simple substance and/or compound, is applied to electric cars, various hybrid cars, power storage systems, elevators, electromotive tools and power source systems such as uninterruptible power source, distributed power source and the like, all having high input and output requirements, stable control can be obtained.

An electrical energy system (1) in a hybrid car comprises an electrical motor (3), a capacitor (4) and a battery (5). The capacitor (4) is connected electrically to the electrical motor (3) and the capacitor (4) is switched in parallel with the battery (5) and the capacitor (4) has a rated voltage greater than 60V and the battery (5) has a rated voltage of less than 60V.

The invention relates to the technical field of mechanical power transmission, in particular to a driving device used for a hybrid car. The driving device comprises a motor input end, a first motor, a second motor, a single-row planetary system and a double-row Ravigneaux planetary system. The motor input end is connected with a first inner gear of the single-row planetary system, a rotor of the first motor is connected with a sun gear of the single-row planetary system, and a planetary frame of the single-row planetary system transmits power to a big sun gear and a small sun gear of the Ravigneaux planetary system. A rotor of the second motor is connected with a public planetary frame of the Ravigneaux planetary system, and power is transmitted by a second inner gear of the Ravigneaux planetary system. The motor achieves gear reversing. The driving device improves motor working efficiency of the motor, achieves serial connection, parallel connection, mixed connection, recovering of brake energy and the like, achieves the aim of reducing discharge and prolongs actual service life of a pure electric vehicle through a serial connection mode.

The present invention concerns an on-vehicle air-conditioner, resolving problems of the prior art, and allowing to perform cooling, heating, dehumidification or others efficiently even for vehicles of low waste heat, such as hybrid cars taking electricity and gasoline as energy source, idle stop coping cars or battery cars taking only electricity as energy source, or other vehicles, by cooling by loading a refrigeration circuit, using for example CO₂ refrigerant, and provided with an electrically driven two-stage compression system compressor, and at the same time, installing a refrigerant heat exchanger for cooling the refrigerant, compressed in the first stage in a way to exchange heat with the car interior air, and using conveniently also for heating together with the heat of the cooling water for cooling the engine.

The invention provides a hybrid drive device, which is connected with wheels. The hybrid drive device comprises a double planetary row of a planetary frame, an engine, a first motor, a second motor, a differential mechanism, a first clutch and a second clutch wherein a sun wheel of a front planetary raw, a planetary wheel of the front planetary raw, an outer gear ring of the front planetary raw, the sun wheel of the rear planetary raw, the planetary wheel of the rear planetary raw, the outer gear ring of the front planetary raw, the front planetary raw and the rear planetary raw share the double planetary row of a planetary frame; and the planetary wheel of the rear planetary raw is meshed with the planetary wheel of the front planetary raw. The invention further provides a hybrid car which comprises the hybrid drive device, and a drive method of the hybrid drive device. Adopting the technical scheme of the invention, the problem that the oil consumption of the car during the running process is high due to unreasonably distributed power for the generator, the engine and the motor of the series-parallel hybrid system brought by the condition that the optimal output power of the engine can be adjusted by a manner that the generator works around zero rotation speed when the speed needed by the car is higher is solved.

The invention relates to the technical field of vehicles and discloses a method for controlling rotary speed of a cooling fan of a vehicle. The method comprises the following steps: detecting the working state of an air conditioning system in real time; determining the rotary speed V1 of the cooling fan needed by the air conditioning system; detecting the temperature of a heat management subsystem of each vehicle; calculating the rotary speed V2 of the cooling fan corresponding to the temperature of the heat management subsystem of each vehicle when the air conditioning system is under the working state; and comparing the rotary speeds V1 and V2 of the cooling fan, and adopting the maximum value of the two values as the rotary speed V, and controlling the cooling fan of the vehicle to work at the rotary speed V. With the adoption of the method for controlling rotary speed of the cooling fan of the vehicle, the heat for each heat dispassion system of the vehicle can be fully emitted, the temperature of some heat dispassion system can be prevented from being too low, the rotary speed of the cooling fan of the vehicle can be can adjusted according to the needs of the heat dispassion system of the vehicle, and the condition that each heat dispassion system is under the best working state is ensured. The invention further provides a hybrid car.

In a first slip suppression control by a first slip suppression control unit when a vehicle stops on a slope, an electronic control unit controls an output torque of an electric motor so that a rotation speed of an input rotation member of a hydraulic power transmission reaches a predetermined target rotation speed during stopping of an engine. The electronic control unit starts the engine when the output torque of the electric motor is greater than a predetermined torque. Accordingly, when the output torque of the electric motor at a rotation speed under a slip suppression control is insufficient, the output torque of the engine can be used and thus a locked state of the electric motor is appropriately prevented.

An electric rotating machine includes a stator, a rotor inserted in a bore of the stator such that an air gap is formed between the stator and the rotor, and a plurality of permanent magnets embedded in a peripheral portion of the rotor core of the rotor in a circumferential arrangement. Slits are formed in portions of the rotor core each extending between the adjacent magnetic poles. Compressive stress is induced in portions of the rotor core each extending between the slit and the permanent magnet when stress is induced in the portion of the stator core extending between the slit and the permanent magnet by centrifugal force produced when the rotor rotates and acting on the permanent magnet and a pole piece covering the permanent magnet.