Door lock system with state feedback
A state feedback and door lock technology, applied in the field of door lock circuits, can solve the problems of high failure rate and poor reliability, and achieve the effect of reducing the failure rate, ensuring effective control, and improving reliability.
Inactive Publication Date: 2008-01-16
SHENZHEN H&T INTELLIGENT CONTROL
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Problems solved by technology
[0002]The well-known ordinary door lock technology is realized by mechanical switch, which has the disadvantages of high failure rate and poor reliability
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[0022] Fig. 1 is a block diagram of the door lock system with state feedback of the present invention, including a door lock, a door lock control circuit for controlling the opening or closing of the door lock, and a door lock feedback circuit for detecting the state of the door lock, for A central processing unit that reads the door lock status output by the door lock feedback circuit and controls the door lock control circuit to open or close the door lock.
[0023] Fig. 2 is a circuit diagram of an embodiment of the door lock system with state feedback of the present invention, and its working principle will be described below in conjunction with Fig. 2 .
[0024] In the figure, the door lock is controlled by a solenoid valve, and the solenoid valve is controlled by a control circuit. The MCU constitutes a central processing unit. R1, R2 and C1 form a door lock feedback circuit, which feeds back the state of the door lock to the MCU. The door lock control circuit includes...
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The invention relates to a door lock system and a door locking method with state feedback function. The door lock system comprises a door lock, a door lock control circuit for controlling the opening or closing of the door lock, a door lock feedback circuit for detecting the state of the door lock, and a central processing unit (CPU) for actuating the door lock control circuit to open or close the door lock. The door locking method comprises: (A1) the CPU sets the door lock in a predetermined state by the door lock control circuit; and (A2) the CPU detects whether the door lock is in the predetermined state by the feedback circuit, if in the predetermined state, the detection is stopped; if not, the CPU reports error according to the feedback signal and warns the user to check the door lock. In the invention, the solenoid valve is used to replace the prior mechanical switch, so as to reduce the failure rate of door lock and improve the reliability of door lock; additionally, the feedback circuit is used to detect the state of door lock and gives feedback signals timely when the door lock is damaged, thereby ensuring the effective control of door lock.
Description
technical field [0001] The present invention relates to a door lock circuit, and more particularly, to a door lock system with state feedback. Background technique [0002] The well-known ordinary door lock technology is realized by mechanical switches, which has the disadvantages of high failure rate and poor reliability. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a door lock system with state feedback for the above-mentioned defects of the prior art. [0004] The technical solution adopted by the present invention to solve the technical problem is: to construct a door lock system with state feedback, including a door lock, a door lock control circuit for controlling the opening or closing of the door lock, and a door lock control circuit for detecting the door lock. The door lock feedback circuit of the lock state is used to read the door lock state output by the door lock feedback circuit, and control th...
Claims
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IPC IPC(8): E05B47/00E05B41/00
CPCE05B47/00E05B2047/0069
Inventor 陈艳华刘建伟董晓勇
Owner SHENZHEN H&T INTELLIGENT CONTROL