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The motor is the main power machine in the electrification era, and it is also the main energy-consuming equipment of the power grid. At present, there are about 1 billion motors in operation in China, which consume 60% of the total load of the power grid and 70% of the total industrial power. Due to the bottleneck of energy shortage, about 60% of the motors in China are currently operating at a load below 60% of the rated load, resulting in up to 30% of the electricity being wasted. Due to the long-term low-voltage operation, the number of burned-out motors in the country is more than 200,000 times per year. Therefore, the repair cost is about 2 billion yuan, resulting in a loss of up to 10 billion yuan. Therefore, research and development and promotion of low-voltage motor energy-saving technology in the absence of electricity is an important focus of China's current energy-saving society.
It is reported that "Low-voltage motor fully automatic phase-control and power-saving technology" is jointly established by Guangdong Heshan Doppler High-tech Power Saving Co., Ltd., the Institute of Electrical Engineering of the Institute of Science and Technology, and the Electrical Engineering Department of Tsinghua University. The production, research and research cooperation mode has lasted for 6 years. The technical breakthrough is completed. Wang Xiangyu, a professor of electrical engineering at Tsinghua University, said that the principle of the technology is to improve the external operating environment of the motor to achieve dynamic power management and achieve frequency conversion power saving. In the specific operation, it is to install high-performance digital processing circuit and exclusive development in the motor. The automatic phase control chip technology equipment automatically detects the external voltage signal and the power factor signal fed back by the motor for conversion processing, so that the motor can achieve optimal operation under low pressure.
At present, the motor power-saving products have obtained three utility model patents and invention patents, and passed the inspection of the State Administration of Quality and Technical Supervision. Tests show that the average power saving rate of the product is 15 to 55%, and the service life of the motor is prolonged. At present, the technology product has been mass-produced by Guangdong Heshan Doppler High-tech Power Saving Co., Ltd. The product has been put into the market in Foshan, Nanhai, Shenzhen, Guangzhou, Kaiping and Xinhui, and has been well received.
The expert appraisal team headed by Li Bohu, an academician of the Chinese Academy of Engineering and a researcher of the China Aerospace Science and Industry Group, agreed that the result is a fully automatic motor power-saving product with independent intellectual property rights. It is the first in China and the technology is at the international advanced level and can be widely used. Clothing, ceramics, furniture, hardware, electrical appliances, injection molding, automotive and other industries and fields. The expert group suggested that for this new energy technology that is the first in China and can generate huge economic and social benefits, the relevant state should take the lead to promote this technology and deepen it, and industrialize and promote this technology as soon as possible. The pace of application will make it play a constructive role in alleviating the current national power shortage.
Metal plate: a material with a wide range of applications and innovative prospects
Metal plate is a kind of material widely used in construction, manufacturing, electronics and other fields, and its excellent physical and chemical properties make it have an irreplaceable position in many fields. This paper will introduce the basic information of metal plate, application advantages and existing problems, innovative application scenarios and future development prospects, as well as the comparison of domestic and foreign research status and policy measures, in order to provide readers with a comprehensive understanding of metal plate.
First, the basic information of the metal plate
Metal plate is a sheet made of metal, with high strength, corrosion resistance, good electrical conductivity and other advantages. According to the different manufacturing process and use, the metal plate can be divided into many types, such as galvanized plate, stainless steel plate, aluminum alloy plate and so on. These different types of metal plates differ in appearance, performance and use, but all have a wide range of applications. For example, galvanized plate is mainly used in construction and manufacturing, while stainless steel plate is mostly used in the manufacture of high-end tableware and medical equipment.
Second, the application of metal plate advantages and existing problems
The application advantages of metal plate are mainly reflected in the following aspects: first, high strength, good load-bearing capacity and impact resistance; Second, corrosion resistance, can adapt to a variety of complex environmental conditions; Third, it has good electrical conductivity and can be used to manufacture electronic components and circuit boards. However, there are also some problems with metal plates, such as high cost and difficulty in processing. In addition, some metal plates may also cause pollution to the environment, such as lead pollution.
Third, the innovative application scenarios and future development prospects of metal plates
With the continuous progress of science and technology, innovative application scenarios of metal plates are also emerging. For example, metal plates can be used to manufacture 3D printing materials, electromagnetic shielding materials, nanocomposites, etc. These emerging areas have higher performance requirements for metal plates, and also bring new opportunities for the development of metal plates. In the future, metal plates are expected to make greater breakthroughs in lightweight, high performance, environmental protection and other aspects, and provide more powerful support for the development of various industries.
4. Comparison of domestic and foreign research status and policy measures
At home and abroad, the research of metal plates is very important, and new research results continue to emerge. In terms of policy measures, countries have also formulated different promotion measures according to their actual conditions. For example, some countries encourage enterprises to upgrade technology and update equipment through tax incentives and subsidies to improve the output and quality of metal sheets. In addition, countries have also formulated strict regulations and standards in environmental protection to reduce environmental pollution in the production process of metal sheets.
In general, metal plate as an important material, its application prospects are very broad. However, how to solve the problems in the production and use of metal plates, improve their performance and reduce costs, is still a problem that researchers in various countries need to pay attention to and solve. At the same time, with the continuous development of science and technology, the innovative application scenarios of metal plates will also continue to emerge, bringing new opportunities and challenges to the development of various industries.
V. Conclusion
Through the introduction and analysis of metal plate, this paper expounds the important application value of metal plate in construction, manufacturing, electronics and other fields and its broad prospect in the future development. At the same time, it also pointed out the problems in the production and use of metal plates and the direction of further research and improvement. It is hoped that the comprehensive understanding and analysis of metal plates can provide useful reference and enlightenment for researchers and enterprises in related fields.
Metal Plate,Metal Mold Holder
Shuaigang Mould Base (Yixing) Co., Ltd , https://www.shmouldbase.com