Household appliances, or home appliances for short, refer to appliances that are powered by electrical energy and can help perform household chores, such as foraging, food preservation, or cleaning. In addition to the home environment, they can also be used in company lines or industrial environments. What are the household appliances ? What are the functions of household appliances? The following small series briefly introduces what household appliances have and what functions.
What are the household appliances
Appliances (HEA) Various appliances used in homes and similar places. Also known as civilian appliances, household appliances. The United States is the birthplace of home appliances. In 1879, United States TA Edison invented incandescent lamps. Created an era of home electricity. At the beginning of the 20th century, electric irons invented by E. Richardson of the United States were put on the market, prompting the emergence of other household appliances. Vacuum cleaners, electric washing machines, compressor-type household refrigerators, electric cookers, air conditioners, automatic washing machines came into being. In the 1880s, the discovery of the Edison effect and the experiment of verifying the presence of electromagnetic waves created conditions for the birth of electronics. At the beginning of the 20th century, Britain, the United States and other countries successively invented the first generation of electronic devices - electron tubes. The introduction of a superheterodyne receiver in 1919 created conditions for the development of the radio.
From 1923 to 1924, VK Zvorekin invented the camera tube and picture tube. In 1931, he assembled the world's first full-electronic television system. In 1954, the United States began using color television broadcasting. Magnetic (wire) recorders and tape recorders were introduced in 1898 and 1935, and cassette tape recorders were rapidly popularized on the basis of the invention of cassettes in the Netherlands in 1963. The invention of an integrated circuit enabled electronic technology to enter the era of microelectronics technology and brought home appliances to a new level.
The classification of household appliances has not yet been unified in the world. However, it is more common to classify products by their functions and uses, which are roughly divided into eight categories.
1 refrigeration appliances. Including household refrigerators, coolers, etc.
2 air conditioners. Including room air conditioners, fans, ventilation fans, hot and cold air, air dehumidifiers, etc.
3 Clean the appliance. Including washing machines, clothes dryers, irons, vacuum cleaners, floor polishers, etc.
4 kitchen appliances. Including electric stoves, microwave ovens, electromagnetic ovens, electric ovens, rice cookers, dishwashers, electric water heaters, food processing machines.
5 electric heating appliances. Including electric blankets, electric blankets, hydro-thermal blankets, electric clothes, and space heaters.
6 cosmetic health appliances. Including electric shavers, hair dryers, hair styling, ultrasonic face washers, electric massagers.
7 audio and video appliances. Including micro projectors, televisions, radios, tape recorders, video recorders, camcorders, and stereos.
8 other electrical appliances, such as pyrotechnic alarms, electric bells, etc.
With the improvement of life, water purifiers have also become a member of household appliances, and more and more families use this new type of electrical products: As most of the world’s water bodies are heavily polluted, they have aggravated the contradiction of water resources shortage. . Traditional tap water treatment methods can no longer guarantee the supply of good quality drinking water. There are also secondary pollution problems in municipal water supply. For example, high-level tank water supply and long tap water pipelines can cause potential rust and silt. As well as microbial and other pollution issues. Therefore, all kinds of water purifiers came into being.
Home appliances, or home appliances for short, refer to appliances powered by electricity (or mechanized actions) that can help with household chores, such as foraging, food preservation, or cleaning. In addition to the home environment, they can also be used for company serial numbers or Industrial environment. Basically, home appliances are divided into large appliances (white goods, black appliances) and small appliances.
·Household appliance function
1, widely safe use of household appliances, and the user may not have the electrical knowledge, so the security is very important, requirements for electrical appliances in the event of mechanical or electrical failure will not cause personal injury. Most countries have enacted regulations and standards for safety management of home appliances, and some countries have also enforced them in legal form. The International Electrotechnical Commission (IEC) has issued safety rules for household appliances. China specifies that national standards for household appliances are equivalent or equivalent to the safety rules of the IEC.
2. Practicality Practicality is the basic feature of home appliances. The product should have basic use functions, a reasonable structure, and easy operation, so that the user can use it without special skills.
3. Reliability Reliability is a comprehensive indicator reflecting the quality of household appliances. China Life Insurance Network prompts mean time between failures is a major indicator of the reliability of household electrical appliances. The product's production process needs to implement a strict total quality management to ensure product quality consistency and stability.
4, innovative household appliances, landscaping family characteristics, and should therefore be decorative. Product modeling and appearance should not only have a clear era, reflect the scientific and technological level of a certain period and people's aesthetic interests, but also to reflect the scientific structure, the rationality of materials and the advanced nature of the process.
5, less energy consumption and improve the efficiency index of household appliances, household appliances to reduce energy consumption is the main production direction of the country's long-term efforts. In the United States, the Energy Policy and Protection Act of December 1975 established minimum energy efficiency standards for 14 household appliances that consume more energy. Japan promulgated the Energy Law for Reasonable Use in June 1979. It has determined the energy consumption efficiency of refrigerators and air conditioners that consume a lot of energy. It also stipulates that energy efficiency tags should be set on specific products so that consumers can choose.
6, the penetration rate of household appliances penetration rate reflects the cultural and economic level of a country. Generally speaking, in countries with high gross national product, high per capita income, and large per capita power consumption, the penetration rate of household appliances is also high.
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