Smart home is reflected in the influence of the Internet. Smart Home connects various devices in the home (such as audio and video equipment, lighting systems, curtain control, air conditioning control, security systems, digital cinema systems, audio and video servers, video cabinet systems, network appliances, etc.) through IoT technology. Home appliances control, lighting control, telephone remote control, indoor and outdoor remote control, anti-theft alarm, environmental monitoring, HVAC control, infrared forwarding and programmable timing control and other functions and means. Compared with ordinary homes, smart homes not only have traditional residential functions, but also provide building, network communication, information appliances, equipment automation, provide a full range of information interaction functions, and even save money for various energy costs. The concept of smart home originated very early, but there have been no specific architectural cases. Until 1984, United Technologies Building System applied the concept of building equipment informatization and integration to Hart, Connecticut, USA. At the CityPlaceBuilding in Hartford, the first "smart building" appeared, which opened the curtain of the world's rush to build a smart home. First, home automation Home automation refers to the use of micro-processing electronics to integrate or control electronic and electrical products or systems in the home, such as lighting, coffee ovens, computer equipment, security systems, heating and air-conditioning systems, video and audio systems. The home automation system mainly uses a Central Processor Unit (CPU) to receive information from related electronic and electrical products (changes in external environmental factors, such as changes in the light caused by the rising sun or the west). Then send the appropriate information to other electronic and electrical products with the established procedures. The central microprocessor must control the electrical products in the home through a number of interfaces, which can be keyboards, touch screens, buttons, computers, telephones, remote controls, etc.; consumers can send signals to the central microprocessor. Machine, or receive signals from a central microprocessor. Home automation is an important system of smart home. When smart home first appeared, home automation even equated with smart home. Today it is still one of the core of smart home, but with the universal application of smart home technology, network With the maturity of home appliances/information appliances, many product functions of home automation will be integrated into these new products, so that simple home automation products will be less and less in system design, and their core status will also be adopted by the home network /family information system. instead. It will play a role in the smart home as part of the control network in the home network.
Thyristor module is one of the most commonly used semiconductor devices because of its small size, simple structure and strong function.This device has been widely applied in various kinds of electronic equipment and electronic products, used as a rectifier, inverter, frequency, voltage regulator, contactless control of motor speed, motor excitation, non-contact switch and the power control, etc.
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