Eddy-current liquid-cooling retarder with electric-energy recycling and utilizing function
An eddy current retarder and electric energy recovery technology, applied in current collectors, battery circuit devices, motors, etc., can solve the problems of failure to achieve braking energy recovery and reuse, energy waste, etc., and achieve simple structure, clear division of labor, and control convenient effect
Active Publication Date: 2017-09-01
BEIJING UNIV OF TECH
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Problems solved by technology
[0004] At present, the retarders with relatively mature technology, no matter the electric eddy current retarder or the hydraulic retarder, convert the kinetic energy of the vehicle into heat energy and dissipate it into the air, without realizing the recovery and reuse of braking energy, resulting in energy waste
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[0026] Specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. Such as figure 1 and figure 2 As shown, the retarder rotor 2 of the embodiment of the present invention is connected with the automobile shaft 15 through a spline, and the reluctance motor rotor 3 is fixed on the retarder rotor 2, and the three together form a rotating part. The two sets of retarder coils 1 are wound together to form independent coils, fixed on the inner wall of the retarder stator 6, and installed on the left and right sides of the middle reluctance motor stator 4 respectively. The stator 4 of the switched reluctance motor is fixed on the retarder stator 6, and the stator has a winding 5, and its rotor 3 is fixed on the retarder rotor 2, and both have the same number of salient pole teeth. The reluctance motor windings 5 are wound on the salient poles of the stator 4, and the excitation windings 5 on the salient poles of t...
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The invention discloses an eddy-current liquid-cooling retarder with an electric-energy recycling and utilizing function. The eddy-current liquid-cooling retarder comprises an eddy-current retarder part, a reluctance machine part, a detecting module, a control module, a power converter and an accumulator. The eddy-current retarder part comprises a retarder rotor, a retarder stator and two sets of magnet exciting coils. The reluctance machine part comprises a reluctance machine stator, a reluctance machine rotor and a reluctance machine winding. The detecting module comprises a Hall sensor and a permanent magnet, the Hall sensor is fixed on a retarder fixing structure, and the permanent magnet is embedded into a groove of the retarder rotor. According to the eddy-current liquid-cooling retarder with the electric-energy recycling and utilizing function, energy recycling and reusing can be achieved in the braking process, magnetic energy is effectively utilized, the structure is simple, control is convenient, and the heat dissipation effect is good; and the braking safety of an automobile is improved, and energy conversation and environmental protection are achieved.
Description
technical field [0001] The invention belongs to the technical field of automobile auxiliary braking, and relates to an eddy current liquid-cooled retarder with the function of electric energy recovery and utilization, in which a unidirectional switched reluctance motor is embedded inside, and eddy current braking can be realized through the control of a control module. Energy recovery and electric power assist functions. [0002] technical background [0003] Automobile retarder is a non-contact auxiliary braking device, which can better solve the problem of severe degradation of braking performance caused by continuous braking of automobiles, and at the same time share the braking load of the braking system, greatly improving To the safety, economy and comfort of vehicle driving. [0004] At present, the retarders with relatively mature technology, no matter the electric eddy current retarder or the hydraulic retarder, convert the kinetic energy of the vehicle into heat ene...
Claims
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Patent Timeline
Login to View More IPC IPC(8): B60L7/28B60L7/10H02K49/04H02J7/14
CPCB60L7/10B60L7/28H02J7/14H02K49/04Y02T10/64Y02T10/92
Inventor 李德胜郭文光田金山高志伟叶乐志
Owner BEIJING UNIV OF TECH