High-speed free piston linear generator

A technology of linear generators and pistons, applied in free piston engines, machines/engines, mechanical equipment, etc., can solve the problem of low speed of generator movers, achieve low cost, high reliability, and increase cutting speed

Active Publication Date: 2012-04-18
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of low speed of the

Method used

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  • High-speed free piston linear generator
  • High-speed free piston linear generator

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Embodiment 1

[0018] A kind of high-speed free piston internal combustion linear generator of the present invention, it mainly comprises free piston internal combustion engine, gear transmission mechanism, linear generator and rack connecting rod 7; Free piston internal combustion engine comprises: engine cylinder 1, piston 2, intake valve 3 , exhaust valve 4, fuel injector 5, intake and exhaust controller 6; the gear transmission mechanism includes: the first gear 8, the shaft 9, the second gear 10, the first gear 8 and the second gear 10 are coaxial through the shaft 9 Connect; the linear generator comprises: motor mover 11, motor stator 12, as shown in Figure 1;

[0019] The connection relationship is: the two free pistons of the free piston internal combustion engine are fixedly connected to form a piston assembly, and the rack connecting rod 7 on the piston assembly is connected to the mover of the linear generator through a matching gear transmission mechanism. The ratio of the diamet...

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Abstract

The invention relates to a high-speed free piston linear generator and belongs to the field of energy power. The high-speed free piston linear generator mainly comprises a free piston internal combustion engine, a gear transmission mechanism and a linear generator, wherein the gear transmission mechanism is formed by coaxially connecting two gears; two free pistons of the internal combustion engine are fixedly connected with each other through a rack-type connecting rod to form a piston component; and a rack on the piston component is connected with an active cell of the linear generator through the matched gear transmission mechanism. Inner parts of two cylinders of the internal combustion engine are combusted respectively to push the pistons to do linear motion; the pistons are connected with a motor active cell through the gear transmission mechanism with a function of increasing the speed, so that the linear motion speed of the motor active cell is finally increased by using gas explosion pressure produced by combustion of each cylinder of the internal combustion engine through the connecting rod and the transmission mechanism. In the high-speed free piston linear generator, the gear transmission mechanism is adopted, so that the cutting speed of the motor active cell is increased and the working efficiency is improved; and the speed of the motor active cell is n times higher than the motion speed of the piston.

Description

technical field [0001] The invention relates to an energy power engineering mechanical device, in particular to a high-speed free-piston linear generator, which belongs to the field of energy power. Background technique [0002] The general structure of the existing internal combustion generators is that the reciprocating internal combustion engine is connected with the rotating electrical machine through the crank connecting rod mechanism, including two types of thermal cycles of two strokes and four strokes. The disadvantages are complex structure, large volume, low thermal efficiency, and exhaust pollution. There are many things. Especially because the linear motion of the piston cannot directly realize the rotational power output, so it depends on the crank connecting rod mechanism to convert. The traditional crankshaft is mainly composed of crank, crank throw and crank pin. Its main feature is the stepped shaft section. During the working process, the piston The recipr...

Claims

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Application Information

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IPC IPC(8): F02B71/04
Inventor 左正兴贾博儒袁晨恒冯慧华尚蛟
Owner BEIJING INSTITUTE OF TECHNOLOGYGY
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