一种不间断供电的智能门锁

Abstract

本实用新型公开了一种不间断供电的智能门锁，包括控制模块、切换模块；切换模块与控制模块电连接；切换模块用于根据控制模块指令，不间断切换到对应的电池供电单元对智能门锁进行供电，并根据指令对相应的电池进行充电。通过设置切换模块，根据控制模块指令，不间断切换到对应的电池供电单元对智能门锁进行供电，并根据指令对相应的电池进行充电，解决了现有的双电池供电的智能门锁需要更换电池时，需要整机重启，影响用户体验效果的问题。

Claims

1. An uninterruptible power supply intelligent door lock, characterized in that, include: Control module; Switch modules; The switching module is electrically connected to the control module; The switching module is used to continuously switch to the corresponding battery power supply unit to power the smart door lock according to the instructions of the control module, and to charge the corresponding battery according to the instructions. The switching module includes: First battery power supply unit; Second battery power supply unit; Energy storage unit; The first battery power supply unit and the second battery power supply unit are respectively electrically connected to the control module, and the output terminal of the first battery power supply unit and the output terminal of the second battery power supply unit are connected together and then electrically connected to the load. The energy storage unit is used to replenish the energy required to handle transient power loss when the battery power supply unit switches, so as to achieve an uninterrupted switching process.

2. The uninterruptible power supply smart door lock of claim 1, wherein, The switching module further includes: Switch control unit; The switching control unit is electrically connected to the control module. The switching control unit is also electrically connected to the second battery power supply unit, and is used to control the second battery power supply unit to stop power output when the first battery power supply unit is used for power supply.

3. The uninterruptible power supply smart door lock of claim 2, wherein, The switching module further includes: First charging control unit and Second charging control unit; The first charging control unit is electrically connected to the first battery power supply unit and is used to control the charging of the first battery. The second charging control unit is electrically connected to the second battery power supply unit and is used to control the charging of the second battery.

4. The uninterruptible power supply smart door lock of claim 1, wherein, The first battery power supply unit includes: First MOSFET, second MOSFET, third MOSFET, first capacitor, second capacitor, first resistor, second resistor, and first diode; The first terminal of the first capacitor, the first terminal of the first resistor, and the drain of the first MOSFET are connected together and electrically connected to the control module. The second terminal of the first capacitor is grounded. The second terminal of the first resistor is electrically connected to the gate of the second MOSFET. The drain of the second MOSFET is connected together with the gate of the first MOSFET, the first terminal of the second resistor, and the gate of the third MOSFET. The source of the second MOSFET is grounded. The source of the first MOSFET, the source of the third MOSFET, and the second terminal of the second resistor are connected together. The drain of the third MOSFET is electrically connected to the anode of the first diode. The cathode of the first diode is electrically connected to the first terminal and the output terminal of the second capacitor. The second terminal of the second capacitor is grounded.

5. The uninterruptible power supply smart door lock of claim 1, wherein, The second battery power supply unit includes: The fourth MOSFET, the fifth MOSFET, the sixth MOSFET, the third capacitor, the third resistor, the fourth resistor, and the second diode; The first terminal of the third capacitor, the first terminal of the third resistor, and the drain of the fourth MOS transistor are connected together and electrically connected to the control module. The second terminal of the third capacitor is grounded. The second terminal of the third resistor is electrically connected to the gate of the fifth MOS transistor. The drain of the fifth MOS transistor is connected together with the gate of the fourth MOS transistor, the first terminal of the fourth resistor, and the gate of the sixth MOS transistor. The source of the fifth MOS transistor is grounded. The source of the fourth MOS transistor is connected together with the source of the sixth MOS transistor and the second terminal of the fourth resistor. The drain of the sixth MOS transistor is electrically connected to the anode of the second diode. The cathode of the second diode is electrically connected to the output terminal.

6. The uninterruptible power supply smart door lock of claim 1, wherein, The energy storage unit includes: Fourth capacitor; The first terminal of the fourth capacitor is electrically connected to the output terminal of the first charging control unit and the output terminal of the second charging control unit, and the second terminal is grounded.

7. The uninterruptible power supply smart door lock of claim 1, wherein, The switching control unit includes: Fifth resistor, sixth resistor, seventh resistor, eighth resistor, seventh MOSFET, eighth MOSFET, ninth MOSFET; The first terminal of the fifth resistor, the first terminal of the sixth resistor, and the source of the seventh MOS transistor are connected together and electrically connected to the control module. The second terminal of the fifth resistor is electrically connected to the gate of the eighth MOS transistor. The drain of the eighth MOS transistor is electrically connected to the second terminal of the sixth resistor and the gate of the seventh MOS transistor. The source of the eighth MOS transistor is grounded. The drain of the seventh MOS transistor is electrically connected to the first terminal of the seventh resistor. The second terminal of the seventh resistor is electrically connected to the gate of the ninth MOS transistor. The source of the ninth MOS transistor is grounded. The drain of the ninth MOS transistor is electrically connected to the second terminal of the third resistor and the gate of the fifth MOS transistor.

8. The uninterruptible power supply smart door lock of claim 4, wherein, The first charging control unit includes: Ninth resistor, tenth resistor, and tenth MOSFET; The first end of the ninth resistor is electrically connected to the control module, the second end of the ninth resistor is electrically connected to the first end of the tenth resistor and the gate of the tenth MOS transistor, the second end of the tenth resistor is grounded, the source of the tenth MOS transistor is grounded, and the drain of the tenth MOS transistor is electrically connected to the gate of the second MOS transistor.

9. The uninterrupted power supply smart door lock according to claim 7, characterized in that, The second charging control unit includes: Eleventh resistor, twelfth resistor and eleventh MOSFET; The first end of the eleventh resistor is electrically connected to the control module, the second end of the eleventh resistor is electrically connected to the first end of the twelfth resistor and the gate of the eleventh MOS transistor, the second end of the twelfth resistor is grounded, the source of the eleventh MOS transistor is grounded, and the drain of the eleventh MOS transistor is electrically connected to the gate of the eighth MOS transistor.

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