Internal combustion engine starting circuit of transportation and device

Abstract

The invention discloses a starting circuit and device for an internal combustion engine of a transportation tool, including electrical appliances, a starter motor, a generator, a supercapacitor group and a lithium battery group; the supercapacitor group supplies power to the starter motor when the internal combustion engine is After the internal combustion engine completes the starting action, the supercapacitor bank acts as a power supply stabilizer; when the internal combustion engine is running after starting, the generator supplies power to the electrical appliances, supercapacitor bank and lithium battery bank, and the supercapacitor bank and lithium battery bank store the generator through the power supply Part of the electric energy from the bus; the lithium battery pack supplies power to the electrical appliances and the supercapacitor pack after the internal combustion engine is turned off. The invention reduces the pollution and damage to the environment, improves the starting reliability of the internal combustion engine at low temperature, reduces the weight of the battery and increases the payload of the vehicle, improves the stability and transient response time of the power bus, and reduces the Reduce fuel consumption, increase battery life, and save costs.

Description

technical field [0001] The invention relates to the technical field of electric control of internal combustion engines, in particular to an internal combustion engine starting circuit and device of a transportation vehicle. Background technique [0002] In the starting process of the internal combustion engine of vehicles and small and medium-sized ships and other transportation tools, lead-acid batteries are mostly used as energy supply components, and lead-acid batteries are required to release high energy to the starter motor, and the starter motor drives the internal combustion engine to complete the start action. Circuit diagram as figure 1 As shown, however, the use of lead-acid batteries has the following disadvantages: [0003] (1) The theoretical maximum charge and discharge cycle life of lead-acid batteries is about 600 times, generally only 2-3 years of service life, and the service life is relatively short; [0004] (2) The motor and electrolyte of lead-acid ba...

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Problems solved by technology

[0008] The technical problem to be solved by the present invention is to reduce the environmental pollution caused by the use of lead-acid batteries in the starting process of the internal combustion engine of the transportation vehicle, improve the starting reliability of the internal combustion engine at low temperature, reduce the weight of the battery and increase the payload of the transportation vehicle. Improve the stability and transient response time of the power bus when using high-power electrical appliances (such as audio, etc.), stabilize the ignition voltage of the ignition coil, reduce fuel consumption, and increase battery life to save costs and improve economic benefits

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