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Efficient power recovery method applied to hybrid power system

A technology of a hybrid power system and a recovery method, which is applied in the field of high-efficiency power recovery of a hybrid power system, can solve problems such as low power recovery efficiency, and achieve the effect of high-efficiency recovery

Inactive Publication Date: 2020-06-23
福建中维动力科技股份有限公司
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  • Abstract
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Problems solved by technology

[0003] For this reason, it is necessary to provide an efficient power recovery method applied to hybrid power systems to solve the problem of low efficiency of existing power recovery

Method used

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  • Efficient power recovery method applied to hybrid power system
  • Efficient power recovery method applied to hybrid power system
  • Efficient power recovery method applied to hybrid power system

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Embodiment Construction

[0076] In order to explain in detail the technical content, structural features, achieved goals and effects of the technical solution, the following will be described in detail in conjunction with specific embodiments and accompanying drawings.

[0077] see Figure 1 to Figure 8, this embodiment provides a high-efficiency power recovery method applied to a hybrid system, which is used for a controller. The power system 1 is connected with the brake pedal or the accelerator pedal, and is used to control the hybrid power system or obtain brake signals and accelerator signals, including the first power unit 10, the first transmission 11, the second power unit 12, the second transmission 13 and the power battery 14. The second power unit is a motor power unit, the power battery is connected to the motor power unit, the output shaft of the first power unit is connected to the input shaft of the first transmission, and the output shaft of the first transmission is connected to the m...

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Abstract

The invention discloses an efficient power recovery method applied to a hybrid power system. The method comprises the following steps that: a brake signal is obtained; a reverse charging command is sent to a motor controller, and the motor controller controls the motor to reversely charge a power battery; and the current rotating speed of a motor is judged, and if the rotating speed is lower thana rotating speed preset value, the gear of a second transmission can be reduced. According to the efficient power recovery method applied to the hybrid power system provided by the technical schemes of the invention, the gear of the second transmission can be lowered, so that the high rotating speed of the motor at a low vehicle speed can be realized, and therefore, the power battery can be charged when the rotating speed of the motor is in an efficient motor recovery interval, and efficient power recovery is realized.

Description

technical field [0001] The invention relates to the technical field of power recovery, in particular to an efficient power recovery method applied to a hybrid power system. Background technique [0002] Existing hybrid vehicles are generally directly connected to the wheels through the output of the motor. In this way, when the power is recovered, the wheels drive the motor to generate electricity and then charge the power battery. The current general power battery voltage is relatively high, so a higher speed is required. In order to make the motor in the high-efficiency recovery range of the motor, efficient power recovery can be performed. In this way, efficient power recovery cannot be achieved in many low-speed situations, resulting in waste. Contents of the invention [0003] Therefore, it is necessary to provide an efficient power recovery method applied to a hybrid power system, so as to solve the problem of low power recovery efficiency in the prior art. [0004]...

Claims

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Application Information

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IPC IPC(8): B60L7/18
CPCB60L7/18
Inventor 薛天宝雷作钊李以聪
Owner 福建中维动力科技股份有限公司
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