The invention relates to the field of charging pile relay control, in particular to a relay control method for a charging pile. An output signal of the chip U1 and a control signal sent by a controller are operated through an OR gate circuit composed of diodes, as long as one of the two signals is high, a control signal of a third intermediate relay K10 is in a high level, the third intermediate relay K10 acts, a relay for controlling power scheduling cannot be closed, and power scheduling cannot be carried out; only when the two input signals of the chip U1 are both low, the output is low level, and the relay for dispatching the power can be closed, that is, only when one trolley is charged and the dispatching power is required, the relay for dispatching the power is allowed to be closed. Therefore, the accuracy and the reliability of the action of the relay are ensured from two aspects of signal control and relay connection.
本发明涉及充电桩继电器控制领域,具体涉及一种用于充电桩的继电器控制方法。芯片U1的输出信号和控制器发出的控制信号通过二极管组成的或门电路进行运算,两个信号只要有一个为高,中间继电器三K10的控制信号就为高电平,中间继电器三K10就会动作,而控制功率调度的继电器就无法吸合,就无法进行功率调度;只有芯片U1的两个输入信号都为低时,输出才为低电平,调度功率的继电器才能吸合,即只有一台车充电且有调度功率的需求时,调度功率的继电器才允许吸合。这样就从信号控制和继电器接法两方面保证了继电器动作的准确性和可靠性。
Relay control method for charging pile
一种用于充电桩的继电器控制方法
14.02.2025
Patent
Elektronische Ressource
Chinesisch
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