第三：传统的风扇都以手工操作为主，主要采用的控制手段是模拟调控，功能十

Third: The traditional fans are mainly manual operation, the main control method is analog control, the function is very single. <br>The fan plays an indispensable role in daily life. It is widely used in classrooms, student dormitories and supermarkets. Compared with the air conditioner, the fan has the characteristics of energy saving and free movement. During the operation of the fan, the natural wind blows out, so in the fundamental sense, it can effectively prevent the damage of the synthetic wind to the human body. At the same time, it has The advantages of light weight, simple use and low cost have always had a huge consumer group and broad development prospects. However, due to the shortcomings of traditional fans, consumers have limited choices when purchasing, and at the same time, they cannot meet people's needs in terms of safety, energy saving and automation. At the same time, with the continuous development of the Internet of Things technology and the continuous improvement of people's living standards, current household appliances are becoming more intelligent and humanized. As an important member of household appliances, fans must closely follow the development of the times and make their functions Richer and more humane.

第三：传统的风扇都以手工操作为主，主要采用的控制手段是模拟调控，功能十分单一。<br>风扇在日常生活中扮演着必不可少的角色，它被广泛使用在教室、学生宿舍和超市等地方。风扇在和空调相比之下，具有节能，可随意移动的特点，风扇工作过程中，吹出的是自然风，所以在根本意义上，能够有效的防止合成风对人体的伤害，同时，它有着体积轻便、使用简单和成本便宜等优点，一直以来都有着庞大的消费群体和广阔的发展前景。但是由于传统风扇的缺点，造成消费者购买时选择的局限性，同时在安全、节能和自动化方面满足不了人们的使用需求。同时，随着物联网技术的不断发展和人们生活水平的不断提高，现在的家用电器都趋于智能化和人性化，风扇作为家用电器的重要一员，更要紧跟时代发展脚步，使其功能更加丰富、更加趋于人性化。

Third: the traditional fans are mainly manual operation, the main control method is analog control, the function is very single.<br>Fan plays an essential role in daily life, it is widely used in classrooms, student dormitories, supermarkets and other places. Compared with air conditioning, fan has the characteristics of energy saving and free moving. In the process of fan working, it blows out natural wind, so in a fundamental sense, it can effectively prevent the harm of synthetic wind to human body. At the same time, it has the advantages of light volume, simple use and low cost. It has always been a huge consumer group and broad development prospects. However, due to the shortcomings of traditional fans, consumers have limited choices when they buy them, and at the same time, they can not meet the needs of people in terms of safety, energy saving and automation. At the same time, with the continuous development of the Internet of things technology and the continuous improvement of people's living standards, the current household appliances tend to be intelligent and humanized. As an important member of household appliances, fans should keep pace with the development of the times, so that their functions are more rich and more humanized.<br>