Wireless charging overall performance coordination control method based on SS topological coupling mechanism

A coupling mechanism and coordinated control technology, applied in charging stations, electric vehicle charging technology, current collectors, etc., can solve problems such as the inability to guarantee system operation, and meet the requirements of simple system control, improved operation stability, and wireless communication speed low effect

Active Publication Date: 2020-02-18
ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In order to overcome the above-mentioned problems in the prior art, the present invention provides a coordinated control method for wireless charging under all working conditions based on the SS topological coupling mechanism to solve the current wireless charging system, where the battery voltage

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  • Wireless charging overall performance coordination control method based on SS topological coupling mechanism
  • Wireless charging overall performance coordination control method based on SS topological coupling mechanism
  • Wireless charging overall performance coordination control method based on SS topological coupling mechanism

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[0045] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention. Obviously, the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0046] The control object of the present invention is the electric vehicle wireless charging system, such as figure 1 As shown, the system employs a series resonant (SS topology) coupling mechanism. The wireless charging system includes a ground system and a vehicle system. The ground system consists of a ground power transmitter and a ground control system. The vehicle system consists of a vehicle power transmitter and a vehicle control system. Among them, th...

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Abstract

The invention discloses a wireless charging overall performance coordination control method based on an SS topological coupling mechanism, and relates to the technical field of wireless charging. Themethod include the steps of calculating the voltage ratio range of a high-low-voltage side of a vehicle side BOOST circuit, recording worker movement parameters of a charging system, wireless transmitting real-time electricity information, sampling the current of a high-frequency inverter and the direct voltage of a PFC converter, and setting a current instruction of the high-frequency inverter and the direct voltage instruction of the PFC converter. The requirement for the wireless communication rate of a car ground side is low, no hardware module needs to be added, the method is simple and easy to implement, and the operation stability of the charging system is improved. When the voltage width range of a battery changes, the coordination control over working points in all links is realized through the ground side, and the whole charging system stably operates in the rated range.

Description

technical field [0001] The invention relates to the technical field of wireless charging, in particular to a wireless charging full working condition coordination control method based on an SS topology coupling mechanism. Background technique [0002] With the outbreak of the oil crisis and environmental problems, people have begun to pay more and more attention to the consumption of fossil energy by automobiles and the impact of their exhaust gases on the environment. Electric vehicles are a good substitute for traditional internal combustion engine vehicles. They do not need to consume fossil energy and do not emit exhaust gas. Therefore, the research of electric vehicles has become an important research topic for automobile manufacturers at this stage and an important direction for the development of the automobile industry. The traditional electric vehicle charging method is plug-in, limited by the number of electrical interfaces and charging piles, only one or several e...

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Application Information

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IPC IPC(8): B60L53/12B60L53/122B60L53/38H02J7/02H02J7/04H02J50/12
CPCB60L53/12B60L53/122B60L53/38H02J50/12Y02T10/70Y02T10/7072Y02T10/72Y02T90/12Y02T90/14
Inventor 刘普梁燕申永鹏杨小亮金楠郭磊磊武杰杨存祥王延峰
Owner ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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