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Objective The artificial anal sphincter （AAS）uses percutaneous wireless energy transmission to repeatedly recharge the battery at the energy storage end of the body, which ensures that the system will work in the body for a long time. The heat generated by the process of percutaneous wireless charging of the artificial anal sphincter system can adversely affect the biosafety of the organism's tissues, this paper designing a new wireless energy transmission system to enhance temperature control security. Methods The receiver side of the AAS is the excessive voltage difference of the regulator module, and the reason for the excessive voltage difference of the regulator is the increase in the input voltage of the regulator due to the increase in the load during the charging process. Therefore LCC-S wireless energy transfer system is designed according to the magnetic coupling resonance principle, which can linearly adjust the input voltage of the voltage regulator at the receiving end by adjusting the voltage at the transmitting end, and the voltage at the receiving end of the system does not change according to the load, which avoids a large amount of heat generation due to the large difference in voltage of voltage of the voltage regulator in the charging process. Finally, we build an experimental circuit to evaluate the performance of the new system in terms of voltage at the receiving end during charging and compare the charging heat generation with the existing S-S type system. Results The total transmission efficiency of the system is 50.51% when the transmission distance is 10 mm with a transmit power of 4.5 W. The maximum temperature of the case at the receiving end is only 39.4°C for 30 min of continuous charging. The new wireless energy transfer system has a constant voltage of at the receiving side during the charging process and the total heat generation is smaller than the S-S type system.Conclusions The new LCC-S wireless energy transfer system reduces the heating of the charging process and meets the temperature-controlled safety of the artificial anal sphincter charging process.