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Electromagnetic lock driving circuit based on pulse width modulation
The invention relates to an electromagnetic lock driving circuit based on pulse width modulation. The electromagnetic lock driving circuit is characterized by comprising a voltage conversion circuit, a pulse generation circuit, an MOS (Metal Oxide Semiconductor) driving circuit and an electromagnetic lock circuit, the power supply end of the pulse generation circuit is electrically connected with the 5V output end of the voltage conversion circuit; the input end of the MOSFET driving circuit is electrically connected with the control end of the pulse generating circuit; the output end of the MOS driving circuit is electrically connected with the input end of the electromagnetic lock circuit; when the electromagnetic lock needs to be lifted, the pulse generating circuit DCU sends out a lock lifting signal, the electromagnetic lock inputs direct-current 36V voltage, direct-current 5V voltage is obtained through the voltage conversion circuit, on one hand, power is supplied to the CPU, and on the other hand, the direct-current 5V voltage is connected with a transmitting set of a PNP triode Q1 of the MOS driving circuit to accelerate the response speed of an MOSFET U3. The electromagnetic lock driving circuit based on pulse width modulation has the advantages of high reliability, high safety and low cost, and can reduce the energy consumption of the electromagnetic lock, reduce the heating value of the coil and prolong the service life.
本发明涉及一种基于脉冲宽度调制的电磁锁驱动电路，其特征是：包括电压转换电路、脉冲发生电路、MOS驱动电路和电磁锁电路；脉冲发生电路的电源端与电压转换电路的5V输出端电连接；所述的MOSFET驱动电路输入端与脉冲发生电路控制端电连接；MOS驱动电路输出端与电磁锁电路输入端电连接；当需要电磁锁提锁时，脉冲发生电路DCU发出提锁信号，电磁锁输入直流36V电压，经过电压转换电路得到直流5V电压，一方面为CPU供电，另一方面与MOS驱动电路PNP三级管Q1的发射集相连用来加快MOSFET U3的响应速度；这种基于脉冲宽度调制的电磁锁驱动电路具有可靠性强、安全性高、低成本，可以降低电磁锁的能耗，减少线圈的发热量，延长使用寿命。
Electromagnetic lock driving circuit based on pulse width modulation
The invention relates to an electromagnetic lock driving circuit based on pulse width modulation. The electromagnetic lock driving circuit is characterized by comprising a voltage conversion circuit, a pulse generation circuit, an MOS (Metal Oxide Semiconductor) driving circuit and an electromagnetic lock circuit, the power supply end of the pulse generation circuit is electrically connected with the 5V output end of the voltage conversion circuit; the input end of the MOSFET driving circuit is electrically connected with the control end of the pulse generating circuit; the output end of the MOS driving circuit is electrically connected with the input end of the electromagnetic lock circuit; when the electromagnetic lock needs to be lifted, the pulse generating circuit DCU sends out a lock lifting signal, the electromagnetic lock inputs direct-current 36V voltage, direct-current 5V voltage is obtained through the voltage conversion circuit, on one hand, power is supplied to the CPU, and on the other hand, the direct-current 5V voltage is connected with a transmitting set of a PNP triode Q1 of the MOS driving circuit to accelerate the response speed of an MOSFET U3. The electromagnetic lock driving circuit based on pulse width modulation has the advantages of high reliability, high safety and low cost, and can reduce the energy consumption of the electromagnetic lock, reduce the heating value of the coil and prolong the service life.
本发明涉及一种基于脉冲宽度调制的电磁锁驱动电路，其特征是：包括电压转换电路、脉冲发生电路、MOS驱动电路和电磁锁电路；脉冲发生电路的电源端与电压转换电路的5V输出端电连接；所述的MOSFET驱动电路输入端与脉冲发生电路控制端电连接；MOS驱动电路输出端与电磁锁电路输入端电连接；当需要电磁锁提锁时，脉冲发生电路DCU发出提锁信号，电磁锁输入直流36V电压，经过电压转换电路得到直流5V电压，一方面为CPU供电，另一方面与MOS驱动电路PNP三级管Q1的发射集相连用来加快MOSFET U3的响应速度；这种基于脉冲宽度调制的电磁锁驱动电路具有可靠性强、安全性高、低成本，可以降低电磁锁的能耗，减少线圈的发热量，延长使用寿命。
Electromagnetic lock driving circuit based on pulse width modulation
一种基于脉冲宽度调制的电磁锁驱动电路
GUO TIANYI (author) / MA CHEN (author) / WU YANG (author) / LI ANFU (author) / QI XUEMEI (author) / YUAN LONGHAI (author) / WANG JIAN (author) / HAN ZHIQIANG (author)
2024-03-19
Patent
Electronic Resource
Chinese
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
/
E05B
LOCKS
,
Schlösser
/
H03K
PULSE TECHNIQUE
,
Impulstechnik
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