Electronic lock working principle and performance characteristics

Electronic locks, it is with the single chip processor as the core, with the corresponding hardware circuit, to complete the password Settings, storage, identification and display, drive electromagnetic actuators and detect the drive current value, receive the alarming signal from the sensor to send, send data, etc. MCU receives the type in the code, and comparing with the password storage block in EEPROM, if the password is correct, the electromagnetic actuator driven lock; If the password is not correct, allows operators to enter the password, can enter up to three times. If the three are not correct, the single chip microcomputer through telecommunication lines road intelligent monitor alarm. Single-chip microcomputer will unlock operation and each time the electromagnetic actuator drive current value as a status information sent to the intelligent monitor, at the same time will receive from sensor alarm information is sent to the intelligent monitor interface, as the basis of intelligent analysis. Good secrecy: coding capacity is much, much greater than night lock. Random unlock the success rate is almost zero. Password variable: users can often change password, to prevent password theft, can also avoid the staff turnover and lowered the categories of the lock. Error input protection: when the input password many errors, alarm system automatically start. 4. Electronic combination lock operation is simple: electronic combination lock operation is simple and easy, that is quick to learn. 5. Interference function code: before enter the correct password can enter any code. 6. Security features: if mistyped 4 consecutive password will be automatically without electricity for 3 minutes. 7. Emergency unlock function: go out without other operation, a single hand movements, can open the door, mechanical so meet fire emergency situations such as rapid, safe to open the door. 8. Invasion of induction function: in the condition of the door locked, someone to break the lock and trendy, makes a powerful alarm sound. 9. Fire alarm function: if the temperature reaches 75 ° indoors, would send a powerful alarm sound, at the same time will automatically open the lock. 10. Double locking: external force lock: internally cannot open, suitable for going out, prevent someone invasion; Internal force lock: in external cannot open, make you more comfortable, safe at home. 11. Battery is low to remind function: light-current remind when the battery is low, when start to open the door, there will be a wonderful music prompts you to replace the battery in time. 12. Automatic locking function: adopt automatic lock, door closed after 6 seconds automatically locked, go out more secure. 13. External display function: when the password input error, the lock tongue not normal locked in place, indoor locked, weak current circumstances, such as external have prompt functions.
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