Electrical control system of engineering machinery

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Electrical control system of engineering machinery

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JIANG LIMING / SHI FENGLI

The invention provides an engineering machinery electrical control system which comprises a mobile power supply (1) which is connected with the input end of a distribution box (6) through an adjustable power unit (4). The airborne power supply (5) is connected with the input end of the distribution box (6); the output end of the distribution box (6) is connected with a load; the method is characterized in that the power output distribution of the mobile power supply (1) and the airborne power supply (5) is controlled according to a transfer judgment condition, and whether the adjustable power unit (4) works or not is determined; the adjustable power unit (4) controls the power output distribution of the mobile power supply (1) and the airborne power supply (5) according to a power judgment condition; through the scheme of loading the adjustable power unit, the airborne power supply and the mobile power supply on the whole engineering machinery, the output power limit value of the mobile power supply is set, the cable transmission power is reduced, the cable diameter is reduced, and the power supply safety is improved.

本发明提供一种工程机械电气控制系统，包括移动电源(1)，所述移动电源(1)通过可调功率单元(4)连接配电箱(6)的输入端；机载电源(5)，所述机载电源(5)连接配电箱(6)的输入端；所述配电箱(6)的输出端连接负载；其特征在于：根据分动判定条件控制移动电源(1)和机载电源(5)的动力输出分配，并确定可调功率单元(4)是否工作；所述可调功率单元(4)根据功率判定条件控制移动电源(1)和机载电源(5)的动力输出分配；通过在工程机械整机上装载可调功率单元、机载电源和移动电源的方案，设定移动电源输出功率限制值，降低线缆输电功率，减小线缆线径，提高供电安全性。

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Document information

Title :

Electrical control system of engineering machinery

Additional title:

一种工程机械电气控制系统

Contributors:

JIANG LIMING (author) / SHI FENGLI (author)

Publication date :

2023-07-18

Type of media :

Patent

Type of material :

Electronic Resource

Language :

Chinese

Classification :

IPC:

B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung