Ground starting power supply for aircraft

Abstract

The invention discloses a ground starting power supply for an aircraft. The ground starting power supply comprises a module combined type frame, three cell modules, a control module and an output cable, wherein the cell modules and the control module are connected with the module combined type frame; and the output cable is connected with the control module. The ground starting power supply has the advantages as follows: a lithium iron phosphate battery pack is initially adopted in the cell part to replace the 7-HK-182 lead-acid storage battery in China, so that high reliability is realized; the appearance of the power supply is optimized to be small in size, and the power supply can be charged in a fully automatic manner, so that the service life of the equipment can be greatly prolonged; meanwhile, the starting power supply adopts the modular design, so that the starting power supply is particularly suitable for airplane starting and electrification check operations in occasions of complex landforms, emergency rescuing and the like; the capacity of the battery is the maximum of the same type equipment at home and abroad, and the requirement of long-term continuous operation task can be met; and in addition, the ground starting power supply can satisfy the requirements of ground starting and electrification check operations of small and medium size fixed wing aircrafts and helicopters.

Description

technical field [0001] The invention belongs to the technology of aircraft ground power supply equipment. Specifically, it is an aircraft ground start power supply, which can be used for ground start and power-on inspection operations of various helicopters and small and medium-sized fixed-wing aircraft. Background technique [0002] When the aircraft is started on the ground and powered on for inspection, in order to effectively save the power of the onboard battery and use it as an emergency power supply in the air, and because the cost of using the onboard battery is high and its life is limited, it is generally used to operate with an external ground power supply. Current status and shortcomings of existing aircraft ground power supply equipment at home and abroad: [0003] 1. There are two types of ground starting power for aircraft in China: vehicle-mounted and traction-type. Most of the equipment’s battery cells use 7-HK-182 lead-acid batteries. The equipment is larg...

AI Technical Summary

Problems solved by technology

[0003] 1. There are two types of ground starting power for aircraft in China: vehicle-mounted and traction-type. Most of the equipment’s battery cells use 7-HK-182 lead-acid batteries. The equipment is large in size and heavy in weight (greater than 200KG), which is not suitable for road transportation. , only suitable for aircraft start-up and power-on inspection operations in the airport. At the same time, lead-acid batteries have high maintenance requirements and short service life (less than 500 cycles, generally 2 years). Due to lead and acid electrolyte, the environment is seriously polluted

[0004] 2. Foreign general aviation developed countries have complete ground aviation supporting facilities and dense airport outlets. The ground power supply of the aircraft produced is designed in a suitcase, which is easy to carry, but the power storage (less than 75AH) is limited. It is mainly used to meet the needs of business jets on the ground. Static equipment power-on check, only one start operation for light aircraft

Due to the small storage capacity of the equipment, there is a greater risk of damage to the on-board electronic equipment when it is used for the emergency start operation of the aircraft

[0005] 3. The existing aircraft ground start-up power supply is often lower than the rated voltage, so that there is a voltage difference between it and the aircraft generator, and it often occurs that the voltage is lower than the aircraft generator voltage. The ground power supply is converted to the load of the onboard generator, which will cause the onboard generator to overload and cause damage to the onboard generator

The way to solve such technical problems in the aviation industry is to use reverse flow cutters. This technology is complex, bulky and costly, so it is only used in military and civil aviation large airports

[0006] The technical parameters and design concepts of the above-mentioned domestic and foreign equipment with similar functions cannot meet the needs of aircraft performing high-intensity tasks such as line inspection, forest protection, emergency rescue, and rescue in the field, nor do they adapt to the development trend of my country's general aviation industry.

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