The invention relates to the technical field of new energy automobile air conditioners, in particular to a PTC heater driving module for a high-voltage-resistant new energy automobile air conditioner, which comprises a PTC heater driving module and a PTC heater, the PTC heater driving module comprises a CPU module, a driving signal module and a sampling circuit module, the driving signal module and the sampling circuit module are connected with the CPU module, and the PTC heater driving module is connected with the CPU module. The CPU module is electrically connected with the PTC heater, and the PTC heater driving module is composed of a high-voltage power supply module and a low-voltage power supply module. According to the PTC heater driving module for the high-voltage-resistant new energy automobile air conditioner, an upper arm chopping power tube and a lower arm fly-wheel diode are arranged, an L-shaped filter circuit is formed by combining an inductor assembly and a capacitor assembly, a PTC heater is isolated from high-voltage power supply, and the high-voltage power supply is processed into continuous adjustable direct current through controllable chopping and LC filtering to drive the PTC heater; and circuit safety is ensured.
本发明涉及新能源汽车空调技术领域,尤其为一种耐高压新能源汽车空调用PTC加热器驱动模块,包括PTC加热器驱动模块和PTC加热器,PTC加热器驱动模块包括CPU模块、驱动信号模块和采样电路模块,驱动信号模块和采样电路模块与CPU模块连接,CPU模块与PTC加热器电性连接,PTC加热器驱动模块由高压供电模块和低压供电模块组成。该耐高压新能源汽车空调用PTC加热器驱动模块,通过设置上臂斩波功率管、下臂续流二极管、结合电感组件和电容组件构成的“L”型滤波电路,将PTC加热器与高压供电隔离,高压供电通过“可控斩波+LC滤波”处理成连续可调的直流来驱动PTC加热器,保证电路安全。
PTC heater driving module for high-voltage-resistant new energy automobile air conditioner
一种耐高压新能源汽车空调用PTC加热器驱动模块
18.03.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | 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 / B60H ARRANGEMENTS OR ADAPTATIONS OF HEATING, COOLING, VENTILATING, OR OTHER AIR-TREATING DEVICES SPECIALLY FOR PASSENGER OR GOODS SPACES OF VEHICLES , Anordnung oder Einbau der Heizung, Kühlung, Lüftung oder anderer Luftbehandlungsvorrichtungen für die Fahrzeugräume für Reisende oder Fracht / B60L PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES , Antrieb von elektrisch angetriebenen Fahrzeugen / H05B ELECTRIC HEATING , Elektrische Heizung |
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