The embodiment of the invention provides a wireless charging bus capacitor discharging circuit which comprises an electric energy transmitting end circuit and an electric energy receiving end circuit in inductive connection with the electric energy transmitting end circuit. The electric energy receiving end circuit comprises a resistor, a first switch, a second switch, and a secondary side compensation inductance-capacitance circuit, wherein one end of the resistor is connected with one end of a rechargeable battery, and the other end of the resistor is respectively connected with a first rectifier diode and a second rectifier diode; the first switch and the second switch are respectively connected with the other end of the rechargeable battery, the first rectifier diode and the first switch have a common end, and the second rectifier diode and the second switch have a common end; and the secondary side compensation inductance-capacitance circuit is respectively connected with the common end of the first rectifier diode and the first switch and the common end of the second rectifier diode and the second switch. The circuit provided by the invention is rapid in discharging, does not bring burden to the heat dissipation design of the system due to heat power consumption, and can effectively reduce the loss of the rectifier.
本发明的实施例提供一种无线充电母线电容放电电路,包括:电能发射端电路,以及与电能发射端电路感应连接的电能接收端电路;电能接收端电路包括:电阻,所述电阻的一端与充电电池的一端连接,电阻的另一端分别与第一整流二极管和第二整流二极管连接;分别与充电电池的另一端连接的第一开关和第二开关,所述第一整流二极管与所述第一开关具有公共端,所述第二整流二极管与所述第二开关具有公共端;与所述第一整流二极管和第一开关的公共端,以及所述第二整流二极管和第二开关的公共端分别连接的二次侧补偿电感电容电路。本发明的电路放电迅速且不会因热功耗给系统的散热设计带来负担,且可以有效降低整流器的损耗。
Wireless charging bus capacitor discharging circuit
无线充电母线电容放电电路
2021-08-31
Patent
Electronic Resource
Chinese
IPC: | H02J CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER , Schaltungsanordnungen oder Systeme für die Abgabe oder Verteilung elektrischer Leistung / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H02M APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS , Anlagen zur Umformung von Wechselstrom in Wechselstrom, von Wechselstrom in Gleichstrom oder umgekehrt, oder von Gleichstrom in Gleichstrom und zur Verwendung in Netzen oder ähnlichen Stromversorgungssystemen |
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