The invention discloses an anti-offset wireless electric energy transmission system and a wireless charging device, the system comprises an excitation source, a transmitting loop, a receiving loop and a load, and further comprises a first compensation loop and a second compensation loop, and the transmitting loop is connected with the excitation source in parallel; the receiving loop is connected in parallel with the load and coupled with the transmitting loop; the first compensation loop is connected in series with the transmitting loop and is coupled with the transmitting loop; the second compensation loop is connected in series with the receiving loop and is respectively coupled with the receiving loop and the first compensation loop; the transmitting coil and the first compensation winding form a primary side of the non-contact transformer, and the receiving coil and the second compensation winding form a secondary side of the non-contact transformer; the system compensates the transmitting coil through the first resonant capacitor, compensates the second compensation winding through the second resonant capacitor, and determines the connection relation between the dotted terminals of the transmitting coil and the first compensation winding through the identification resistor, so that the stability of the output characteristics of the system is realized under the condition that the relative positions of the primary side and the secondary side of the non-contact transformer deviate.
本发明公开一种抗偏移的无线电能传输系统及无线充电装置,该系统包括激励源、发射回路、接收回路和负载,还包括第一补偿回路和第二补偿回路,发射回路与激励源并联;接收回路与负载并联,且与发射回路耦合;第一补偿回路与发射回路串联,且与发射回路耦合;第二补偿回路与接收回路串联,且分别与接收回路和第一补偿回路耦合;发射线圈和第一补偿绕组构成非接触变压器的原边,接收线圈和第二补偿绕组构成非接触变压器的副边;该系统通过第一谐振电容补偿发射线圈,第二谐振电容补偿第二补偿绕组,以及通过标识电阻确定发射线圈和第一补偿绕组同名端的连接关系,实现非接触变压器原、副边相对位置发生偏移情况下,系统输出特性的稳定。
Anti-offset wireless electric energy transmission system and wireless charging device
抗偏移的无线电能传输系统及无线充电装置
2024-05-03
Patent
Elektronische Ressource
Chinesisch
Cluster type electric vehicle wireless charging system with strong anti-offset characteristic
Europäisches Patentamt | 2023
|Europäisches Patentamt | 2023
|Europäisches Patentamt | 2024
|Europäisches Patentamt | 2023
|Europäisches Patentamt | 2024
|