Stable working method of combined type free piston linear generator

A technology for linear generators and stable work, which is applied in the direction of free piston engines, engine control, machines/engines, etc. It can solve the problems of unstable operation and long response time of FPLG, and achieve the effect of saving response time and ensuring stable operation

Active Publication Date: 2019-12-03
ZIBO SUPER MOTOR
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0005] In the embodiment of the present invention, a method for stable operation of a compound free-piston linear generator is provided to solv

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  • Stable working method of combined type free piston linear generator
  • Stable working method of combined type free piston linear generator
  • Stable working method of combined type free piston linear generator

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Embodiment Construction

[0042] In order to clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific implementation modes and in conjunction with the accompanying drawings. The following disclosure provides many different embodiments or examples for implementing different structures of the present invention. To simplify the disclosure of the present invention, components and arrangements of specific examples are described below. Furthermore, the present invention may repeat reference numerals and / or letters in different instances. This repetition is for the purpose of simplicity and clarity and does not in itself indicate a relationship between the various embodiments and / or arrangements discussed. It should be noted that components illustrated in the figures are not necessarily drawn to scale. Descriptions of well-known components and processing techniques and processes are omitted herein to avoid unnecessarily limiting the...

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Abstract

The embodiment of the invention discloses a stable working method of a combined type free piston linear generator. The combined type free piston generator comprises an auxiliary motor coaxially connected with the generator, and the method comprises the steps that when the combined type free piston generator is started, dragging force needed when a piston moves to a next top dead center position iscalculated, and the requirement for the dragging force is met by controlling the input voltage of the auxiliary motor; in the operation process, the electric energy needed when the piston reaches thenext top dead center position is determined, the input voltage of the generator or the auxiliary motor is controlled, and the electric energy requirement is met. With the assistance of the auxiliarymotor, stable operation of the free piston linear generator can be guaranteed, meanwhile, the generator only needs to be responsible for power generation, conversion between a power generation mode and an electric mode is not needed, and the problem that the working mode conversion response time of a generator in an existing free piston linear generator is long is solved.

Description

technical field [0001] The invention relates to the technical field of range extenders for new energy vehicles, in particular to a stable working method for a compound free-piston linear generator. Background technique [0002] At present, the structure of the common free-piston linear generator (FPLG, free-piston linear generator) mainly includes two parts, the motor and the engine. ) and back-mounted double-piston type (abbreviated as back-mounted type). Because FPLG reduces the crank linkage, its thermal efficiency is higher than that of traditional internal combustion engines, and it has a better application prospect. [0003] During the starting process of PFLG, the motor works as a motor and provides power, drags the piston to the designated position, and the engine ignites and burns. At this time, the motor switches from motor mode to generator mode, outputs electric energy, and enters the normal working process. [0004] Due to the change of the combustion cycle of...

Claims

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Application Information

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IPC IPC(8): F02D29/06F02B71/04F02B75/24
CPCF02D29/06F02B71/04F02B75/24F02B2075/1808
Inventor 唐娟程勇吕宏马宗正
Owner ZIBO SUPER MOTOR
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