Braking energy recovery device and braking energy recovery method
A braking energy recovery and controller technology, applied in the automotive field, can solve the problems of short service life of power batteries, unusable transmission vehicles, insufficient braking torque, etc., so as to prolong the service life, realize braking energy recovery and power output , the effect of small torque limit
Active Publication Date: 2017-05-31
NINGBO GEELY AUTOMOBILE RES & DEV CO LTD +1
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Problems solved by technology
[0004] The object of the present invention is to provide a braking energy recovery device to solve the problem of insufficient braking torque and short service life of the power battery in the existing braking energy recovery system, and the drive vehicle cannot use it to recover braking energy The problem
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[0025] In order to further explain the technical means and functions adopted by the present invention to achieve the preset invention purpose, the specific embodiments, structures, features and functions of the present invention will be described in detail below in conjunction with the accompanying drawings and preferred embodiments.
[0026] First of all, it needs to be explained that the continuously variable transmission involved in the braking energy recovery device of the embodiment of the present invention is not a vehicle transmission for shifting gears, and the involved flywheel is not the flywheel connected to the crankshaft of an automobile engine in a vehicle.
[0027] Please refer to figure 1 , the braking energy recovery device of the embodiment of the present invention is arranged on the axle 40 of the vehicle, and is used to realize the recovery and utilization of the braking energy of the vehicle. The braking energy recovery device includes a continuously varia...
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The invention relates to a braking energy recovery device. The device comprises a contiuously variable transmission, a flywheel motor, a battery pack and a controller, wherein the flywheel motor comprises a flywheel; the contiuously variable transmission is connected between the flywheel and axles and is used for regulating a speed ratio of the flywheel to the axles; the controller is used for receiving a signal transferred from a complete vehicle and judging the working condition of the vehicle; when the controller judges that the vehicle is in a preset working condition, the controller controls the flywheel motor to generate electricity, and mechanical energy of the flywheel is converted into electric energy to be stored in the battery pack; when the controller judges that the vehicle is in a braking working condition, the controller adjusts the variable speed ratio of the contiuously variable transmission to realize the acceleration of the flywheel and controls the flywheel motor not to generate electricity, so that the mechanical energy of the axles is stored in the flywheel; and when the controller judges that the vehicle is in a starting working condition or in an accelerating working condition, the controller adjusts the variable speed ratio of the contiuously variable transmission to realize the deceleration of the flywheel, so that the mechanical energy stored in the flywheel is released to provide auxiliary driving force for the axles. The invention also relates to a braking energy recovery device.
Description
technical field [0001] The invention relates to the technical field of automobiles, and in particular to a braking energy recovery device and a braking energy recovery method. Background technique [0002] Since entering the 21st century, energy and the environment have had an increasing impact on human life and social development. Energy-saving and emission-reduction technologies for transportation tools are becoming more and more prominent, energy recovery technology for vehicles has been given full attention, and braking energy recovery systems are widely used in electric vehicles and hybrid vehicles. [0003] At present, the basic principle of braking energy recovery for vehicles with braking energy recovery system is: during the braking process, the motor is used to generate electricity, and at the same time, the electric energy is stored in the power battery to realize the recovery and utilization of braking energy. However, limited by the braking torque of the motor,...
Claims
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IPC IPC(8): B60L7/10
Inventor 冯擎峰李佳皓金启前由毅吴成明
Owner NINGBO GEELY AUTOMOBILE RES & DEV CO LTD