The invention discloses a method for designing a dynamic wireless charging resonance coil of an electric vehicle in the field of wireless charging, which comprises the following steps of: 1, giving a target parameter: setting a preceding-stage input voltage Uin and an output voltage Uout of a wireless charging system and system output power Pout of the wireless charging system according to a preceding-stage circuit, a preceding-stage circuit and a power level requirement of the wireless charging system; the vertical distance between the primary and secondary coils; 2, selecting a resonance compensation network and resonance frequency of the dynamic wireless charging system; step 3, determining a resonance inductance value in the resonance compensation network; 4, determining the mutual inductance coefficient of the resonance coil; step 5, Litz wire type selection; step 6, determining constraint conditions; step 7, determining the minimum size of the coil and the maximum length of the winding; step 8, winding a resonance coil; 9, optimizing the structure of the magnetic core; step 10, determining the placement distance of the primary coil; on the premise that given requirements are met, optimization of electrical performance and physical performance of the resonance coil is achieved.
本发明公开了无线充电领域内的一种电动汽车动态无线充电谐振线圈设计方法,包括如下步骤:步骤1,给定目标参数:根据无线充电系统的前后级电路以及功率等级需求,设定无线充电系统的前级输入电压Uin及输出电压Uout,系统输出功率Pout,原副边线圈的垂直距离;步骤2,选取动态无线充电系统谐振补偿网络及谐振频率;步骤3,确定谐振补偿网络中的谐振电感值;步骤4,确定谐振线圈互感系数;步骤5,利兹线选型;步骤6,确定约束条件;步骤7,线圈最小尺寸及绕线最大长度的确定;步骤8,谐振线圈绕制;步骤9,磁芯结构优化;步骤10,确定原边线圈摆放间距;在满足给定要求的前提下,实现谐振线圈电气性能和物理性能的最优化。
Design method for dynamic wireless charging resonance coil of electric vehicle
一种电动汽车动态无线充电谐振线圈设计方法
2022-07-01
Patent
Electronic Resource
Chinese
IPC: | G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / 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 |
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