现有的智能家居中的阀门或者开关一般用的是手动遥控，虽然可以远程操控，但是依旧摆脱不了对多种开关繁琐的操作。为了克服以上缺点，在无线网络环境下开发了一个根据家中人数情况自动运行的智能开关控制系统。系统硬件由主控板、发射板、接收板、驱动板、人体检测装置、无线收发装置和开关器件驱动装置等组成。在主控板的单片机中烧录控制程序系统就可以投入运行。该系统利用抗干扰激光技术自动统计进出大门的人数，实现根据人数情况自动开合开关的功能，在测试实验中连续运行30个小时后，运行稳定，误码率低。该系统解决了智能家居的开关智能控制问题，具有安全、高效的优点。%The remote manual control is generally used for valve or switch in the smart home. Although they can be con-trolled remotely,people still can’t operate them in a easy way. An intelligent switch control system was developed in wireless network,which can operate automatically according to the number of people at home. The system consists of the main control board,emission board,receiving board,driver board,human body detection device,wireless transceiver and switch drive device. This system can be put into operation after burning the control program to the micro control unit(MCU). The anti-interference laser technology is used in the system to count the number of people in and out of the door to realize the functions of automati-cally turning-on or -off the switch according to the number of people at home. It had low error rate worked stable in a test of 30 h. This system solved the on-off intelligent control problem of the smart home. It is safe and efficient.
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