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Solution and application of pcb controller for household appliances
20Nov
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Solution and application of pcb controller for household appliances

Solution and applICation of pcb controller for household appliances
With the rapid development of China's economy, people have higher and higher requirements for the quality of life All kinds of advanced household appliances fill people's living space and bring convenience to people At the same time, complex control has become a problem that people must face With the development of PCB network technology and PCB communication technology, it provides conditions for realizing intelligent remote control of household appliances However, many ordinary PCB household appliances do not have intelligent remote control function If each household appliance product realizes intelligent remote control separately, the cost is too high, which requires the design of an intermediate pcb device - intelligent household appliance controller To solve this problem, this paper proposes a design idea of SMArt home appliance controller Smart home appliance controller allows users to control the running state of home appliances anytime and anywhere through SMS; The running status of household appliances can also be echoed to users in real time, so that users can send the next instruction; Through the internal presets of the smart home appliance controller, the program can also realize the time switching function of home appliances This smart home appliance controller is not only applicable to ordinary residential communities, but also can further expand the smart home appliance control system applied to high-end villas, which is of great significance for improving people's quality of life
Circuit board


pcb board


2. Overall Structure and Functions of Smart Home Appliance Control System
The smart home appliance control system includes smart home appliance controller, remote communication control system and wireless remote sensing control system. The core module is the smart home appliance controller, which is connected to the remote communication control system, and then controls various home appliances through the wired or wireless remote sensing control system. The functions to be realized by the smart home appliance control system are basically realized by the smart home appliance controller.
The main functions of the smart home appliance control system are:
Family safety: In the smart home appliance control system, various PCB sensors are connected, including infrared detection sensors, smoke detection heads, magnetic door alarms, gas detection heads, etc. These sensors can collect information in real time and then transmit it to the smart appliance controller. The smart home appliance controller analyzes the transmitted information according to the preset program to achieve anti-theft and fire prevention functions, and has the vehicle owner identification function. Once strangers break in illegally, it will automatically call the police.
Household appliance control: no matter where users are, they can control the opening or closing of household appliances by sending SMS. For example, users can preheat the air conditioner and turn on the lighting system in advance through the smart home appliance control system on the way home from work.
Information service: Through the smart home appliance control system, users can also enjoy various online services more conveniently, such as online ticket booking, online shopping, remote education, etc.
All these functions can be realized through the smart home appliance control system, but this paper only discusses the core module of the smart home appliance control system, namely the smart home appliance controller.
3 Development of PCB solutions for smart home appliance controllers
3.1 Workflow of household appliance controller
The smart home appliance controller includes a SIM card. The sim card can be used to authenticate the user's permission according to the received mobile phone control information. After the authentication is completed, if the operation permission is not met, the smart appliance controller will give back a prompt message to the user. If the operation permission is met, the smart home appliance controller will control the home appliance according to the user's control command, and at the same time echo the running state of the home appliance to the user.
3.2 Principle block diagram of home appliance controller
The hardware circuit constituting the smart home appliance controller is shown in Figure 1.
Keyboard control module. Through the keyboard control module, the preset settings of household appliances can be realized, such as controlling the timing switch of the TV, opening or closing the stepping motor regularly, and opening and closing the curtains regularly.
Wireless receiving module. When the user controls the home appliance through SMS, the smart home appliance controller receives the user's control command through the wireless receiving module.
Zigbee communication module. After receiving the user's control command, the PCB smart home appliance controller controls the home appliance through the zigbee communication module.
Information collection module After controlling the home appliances according to the user's control instructions, the intelligent home appliance controller uses the information collection module to collect the operating status of each home appliance and echo the collected PCB information to the user For example, after the air conditioner is turned on for a period of time according to the user's instructions, the indoor temperature will be echoed back to the user

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