Direct injection pendulum type monopropellant engine

Abstract

A direct-injection swing single-unit engine comprises a single-unit fuel pot, a swing engine, two fuel control electromagnetic valves, two catalysis beds and an electric controller. The invention uses the mixture of high-density hydrogen dioxide and diesel as the single-unit fuel, to be decomposed into high-temperature high-pressure mixture gas via catalysis decomposition, to drive the swing engine, to output swing power directly or output electricity via the generator. The electric controller can control two fuel control valves to switch the frequency to control the swing frequency of the engine or the frequency of output alternative-current. The invention has small volume, low weight, high energy density, and wide application, to be used to supply energy in non-oxygen condition or oxygen-lack condition.

Description

technical field [0001] The present invention relates to a single-component engine, in particular to energy supply devices such as miniature energy autonomous robots, portable electronic products, micro-electromechanical systems or equipment that can be used in the field, and anaerobic or anoxic environments (such as space, The direct or indirect utilization technology of swing power in underwater or plateau, etc., belongs to the field of energy and power technology. Background technique [0002] Most of the micro-energy autonomous robots, micro-electro-mechanical systems or equipment, and portable electronic products that operate in the field require a power level of 1mW to 1000W and an energy supply device with excellent performance. Generally speaking, the main energy supply devices in this power range are chemical batteries, fuel cells or small internal combustion generator sets. However, these energy supply devices or equipment have some shortcomings: the low energy den...

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Problems solved by technology

However, these energy supply devices or equipment have some shortcomings: the low energy density of chemical batteries makes it difficult to work for a long time; although fuel cells have higher energy density than chemical batteries, even if the problem of hydrogen storage technology is not considered , its low power density makes it unsuitable for applications that require a rapid increase in power; for the same output power, the electric actuator used with the above-mentioned chemical battery or fuel cell is generally larger than the hydraulic or pneumatic mechanism. Bulky, which leads to the reduction of system energy density and power density; for small internal combustion generator sets, although fossil fuels such as gasoline or diesel have high energy density, all hydrocarbon fuel engines except for their own moving parts such as crankshaft and piston In addition, complex auxiliary subsystems such as compression and ignition are also required; in addition, small internal combustion engines must operate at very high speeds to obtain good power density, so in order to match the internal combustion engine and actuator motion relationship, gear reduction devices are often essential This not only increases the complexity of the system but also reduces the energy and power density of the entire system; moreover, due to the dependence of hydrocarbon fuel internal combustion engines on oxygen in the air, they can be used in anaerobic or hypoxic environments (such as underwater or space) ) applications are very limited

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