The invention discloses a DC charging pile power distribution method, and relates to the technical field of DC charging piles, and the method comprises the following steps: S101, judging whether a charging pile is in a single-gun charging state or not; s102, the operation state of the charging gun is obtained, if the charging gun is in the insulation boosting state, the step S103 is carried out, and if the charging gun is in the charging state, the step S104 is carried out; s103, distributing the power supply module group closest to the charging gun to the charging gun, and performing insulation boosting; and S104, acquiring the required power of the vehicle end in real time, calculating the number of required power supply module groups in real time according to the required power, and comparing the number of required power supply module groups with the number of the currently distributed power supply module groups so as to cut in or cut out the power supply module groups until the number of the currently distributed power supply module groups is equal to the number of the required power supply module groups. Power distribution of the charging gun is realized through switching-in and switching-out of the power supply module group, the power distribution process is smoother, the response speed is effectively improved, the user experience is better, the operation frequency of the power relay is reduced, and the probability of safety accidents caused by misoperation is reduced.

    本发明公开了一种直流充电桩功率分配方法,涉及直流充电桩技术领域,包括以下步骤:S101:判断充电桩是否处于单枪充电状态;S102:获取该充电枪的运行状态,若处于绝缘升压状态,则进行S103,若处于充电状态,则进行S104;步骤S103:将与该充电枪距离最近的电源模块组分配至该充电枪,进行绝缘升压;步骤S104:实时获取车端的需求功率,并根据需求功率实时计算所需电源模块组数量,并将其与当前分配的电源模块组数量进行对比,以此进行电源模块组的切入或切出,直至当前分配的电源模块组数量等于所需电源模块组数量。本发明通过电源模块组的切入切出实现充电枪的功率分配,功率分配过程更加平滑,有效提升了响应速度,使用户体验更好,且减少了对功率继电器的操作次数,降低了由误操作而引起安全事故的概率。


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    Title :

    Direct current charging pile power distribution method


    Additional title:

    一种直流充电桩功率分配方法


    Contributors:
    QIN CHEN (author) / ZHOU FEI (author)

    Publication date :

    2023-04-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen



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