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Development history of electric heating plates

2024-12-26

Early budding stage
In the 19th century, scientists discovered that electric current can produce thermal effects through wires, and since then, many inventors have devoted themselves to the research and manufacturing of electric heating appliances
In 1893, the prototype of an electric iron appeared in the United States, which was one of the earliest electric heating appliances used in daily life
In 1909, electric stoves began to be used, which transformed the heating method from firewood to electricity by placing electric heaters in the stove.

Initial development stage
In 1910, the United States successfully developed an electric iron made of nickel chromium alloy heating wire, fundamentally improving the structure of electric irons and rapidly popularizing them, laying the foundation for the development of electric heating appliances
In 1925, Japan introduced products that installed electric heating elements in pots, becoming the prototype of modern rice cookers. Since then, electric heating products such as laboratory electric stoves, melt glue stoves, and heaters have also emerged in the industry.

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Rapid development stage
After the 1940s, due to advances in science and technology, cheap electricity bills, and increased economic income in the United States, electric heating appliances began to enter the popularization stage. For example, the household penetration rate of electric irons in the United States exceeded 90%
In the 1950s, the electric rice cooker was introduced, and in 1950, the world's first electric rice cooker was invented by the Japanese company Tokyo Communication Engineering Co., Ltd. The core component of the electric heating plate was further developed
In the 1980s and 1990s, with the popularization of household appliances, electric heating plates began to enter ordinary households and became the core components of water heaters, electric heaters, and other equipment, with their application scope continuously expanding.

Technological Innovation Stage
The fixing materials for heating plates are constantly being updated. In the early days, they were mainly silicone and heat-resistant adhesives. Later, welding technology was widely used. In recent years, new methods such as mechanical fixing have emerged, as well as new materials such as high-temperature resistant ceramics and metal composite materials
Heating technology is constantly advancing. In addition to traditional resistance heating methods, new heating technologies such as electromagnetic heating and infrared heating are gradually being applied to electric heating plates, improving heating efficiency and reducing energy consumption
Intelligent control methods, with the development of technologies such as the Internet of Things and artificial intelligence, electric heating plates have achieved intelligent control, such as temperature control, timed switches, voice control, and other functions, improving the user experience.

Future Development Trends
Application of high-performance materials: In the future, more high-performance materials will be applied to electric heating plates, such as materials with higher high temperature resistance, better insulation performance, and stronger fixed strength, to improve the safety and reliability of electric heating plates
Promotion of environmentally friendly materials: With the continuous improvement of global environmental awareness, environmentally friendly materials such as biodegradable materials and recyclable materials will be widely used to reduce environmental pollution, lower production costs, and enhance product market competitiveness
Intelligent and personalized development: Electric heating plates will become more intelligent and personalized, with functions such as intelligent control, remote control, and automatic adjustment, meeting consumers' needs for personalized cooking. At the same time, the application of new materials and processes will further enhance the performance and safety of electric heating plates.