Structure coupling type multistage pneumatic power machine

Abstract

The invention discloses a structure coupling type multistage pneumatic power machine. The structure coupling type multistage pneumatic power machine comprises an air storage tank, a volume type piston power mechanism, a speed type turbine power mechanism, a power coupling device and a control unit, wherein the volume type piston power mechanism and the speed type turbine power mechanism communicate with the air storage tank, a one-way valve is arranged at an outlet of the air storage tank, the volume type piston power mechanism communicates with the speed type turbine power mechanism, the volume type piston power mechanism is connected with the power coupling device through a first output shaft, the speed type turbine power mechanism is connected with the power coupling device through a second output shaft, and the control unit is connected with the volume type piston power mechanism and the speed type turbine power mechanism. According to the structure coupling type multistage pneumatic power machine, the problem that an upper dead center and a lower dead center of a single-cylinder reciprocating type power machine are difficult to start is solved, meanwhile, the problems of overlarge exhaust pressure, incomplete expansion and large loss are solved, and the output power and the energy utilization efficiency of the piston type power machine are improved.

Description

technical field [0001] The invention relates to the technical field of pneumatic power machines, in particular to a structurally coupled multi-stage pneumatic power machine. Background technique [0002] At present, my country is a big energy-consuming country, and the demand for energy supply is increasing. The increase in energy demand is also accompanied by a series of energy-related problems, such as serious environmental pollution and gradually decreasing energy resources. Under the current circumstances, it is urgent to use new power drive devices to eliminate the dependence on fossil fuels. Among them, in the field of power machine technology, compressed air is used as the working medium and has no pollution to the atmospheric environment. Since the French engineer NEGRE first proposed the piston pneumatic The structure of the power machine and its application to aerodynamic vehicles have gradually attracted people's attention. [0003] However, so far, relevant rese...

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Problems solved by technology

[0005] In view of this, the object of the present invention is to address the drawbacks of the prior art and provide a coupled multi-stage pneumatic power machine through the combination of piston and turbine structures to solve the problem of starting the piston pneumatic power machine while reducing its exhaust. Air loss, improve air energy utilization efficiency

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