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Micro-motor market analysis in recent years
Micro-motors, or "micro-motors," are motors that have a diameter of less than 160 mm or a rated power of less than 750 W. Micromotors are often used in control systems or transmission mechanical loads to perform functions such as the detection, analysis, amplification, execution or conversion of electromechanical signals or energy.
There are many categories of micromotors, which can be roughly divided into DC motors, AC motors, auto-sizing motors, stepper motors, resolvers, shaft angle encoders, AC/DC motors, tachogenerators, inductive synchronizers, linear motors, and pressure There are 13 categories of electric motors, motor units and other special motors.
Brushless DC motor: It is the fastest growing type in the small motor industry in recent years. With the "small, light, thin" audiovisual products and the quietness of home appliances and the demand for luxury cars, the demand for DC brushless motors is rapid. increase. It replaces brushes and commutators with electronic commutation, which has the advantages of high reliability, high efficiency, long life, and convenient speed adjustment. All countries have accelerated the pace of developing new products and occupy the market. Many companies in Japan have applied DC brushless motors to digital cameras, miniature tape recorders, cameras, printers, storage drives, mobile phones, and automotive air conditioners, washing machines, vacuum cleaners, electric vehicles, and heart pumps.
Linear motor: It has the advantages of simple structure, no contact movement, low noise, high speed and accuracy, easy control, easy maintenance and high reliability. With the continuous innovation in the level of industrial automation, the field of linear stepper motors is becoming wider and wider. Major companies in the world are vigorously researching and developing new products and expanding their application fields. Companies such as Tamagawa, Matsushita, Yamaha Corporation, and servo companies in Japan also have linear motor products. At present, there are a lot of automation equipment used in linear motors, such as high-speed presses, high-speed cutting machines, satellite antennas, magnetic head drives, plotters, printers, copiers, scanners and electric doors.
High-speed dynamic pressure bearing motor: In order to meet the miniaturization requirements of electronic products, the development of small motors to high speed is a kind of technological development trend, such as the rapid increase in the storage density of computer peripherals, its matching spindle brushless motor above 8000r/min In high-speed operation, many small motors even operate at more than 20000 r/min. To ensure the low noise of high-speed operation of small motors, and to ensure smooth operation, low shake, and long life under high-speed rotation, many Japanese companies have developed Production of high-speed dynamic pressure bearing motor, dynamic pressure bearing air and liquid dynamic pressure bearing two. At present, there are many air dynamic pressure bearings, which are particularly suitable for high-speed operation, requiring low noise, small jitter, DVD, HDD, CD-ROM spindle motor.
Miniature motors: Microcomputers, pinball machines, health care, beauty massages, elderly and children's toys, mobile communications, etc. Micromotors such as cell phones, advanced toy cars, and electric toothbrushes have been used extensively in recent years. Demand has increased rapidly, especially for small motor diameters of 3mm to 6mm (hollow and solid type), and demand for button motors of 8mm to 12mm in diameter has increased dramatically. PCs, households, elderly health massage and toys, women's bodybuilding massages, children's smart toys and small home appliances also require a large number of micro-motors, most of which are consumer products.
Ultra-micro motor: The medical field is the most representative field of application of micro-mechanical and electronic technology. Micro-injury endoscopic treatment, precision microsurgery, and micro-robots all require extremely small and powerful dexterity. Highly compliant ultra-micro motor. Micro-micro motors are the key implementation and drive components of micro-mechanical electronic systems. With the continuous improvement and maturity of micro-motor manufacturing levels, its output and application areas are constantly expanding, and its market potential is huge, and it is expected to become a new economic growth point.
Chip motor: With the development of electronic products in the direction of miniaturization, light weight, and thinness, the supporting small motors are also required to develop in the direction of “micro, light, and thinâ€. The development of sheet-type motors has become an inevitable trend. The principle of a chip motor is not much different from a conventional DC motor. There are many companies in Japan that manufacture sheet-type motors and have been widely used in soft, hard, optical disk drives, walkman, recorders, video recorders, camcorders, digital cameras, mobile communications, and micro-medical devices.
Micromotor integrates high-tech industries such as stepper motors, microelectronics, power electronics, computers, automatic control, precision machinery, and new materials, especially the application of electronic technologies and new material technologies to promote micro-motor technology progress. .
The following is a prospective analysis of the micro-motor market: (1) Motors for home appliances. Micro-motors and control technologies are the core technologies of modern home appliances. There are many types of household appliances and the number of motors is large. Although it is a mature market, the new models emphasize multi-functional, energy-saving, low noise, and low vibration. With the effect of high-quality design, production, and testing of home appliances, the market will grow significantly in the future.
(2) Communication, computer peripheral products. The number of high-precision small motors used in these products is increasing, and the number of them is growing at an astonishing rate. With its electronic control, it has high added value and great potential for future development.
(3) Micromotors for automobiles. The sales volume of automobiles has been steadily increasing, and the number of electrical appliances used has increased. Automatic quantification of electronic fuel injection system to replace the traditional carburetor, ABS brakes are replaced by the motor instead, a car from the traditional more than a dozen motors to thirty or forty, even more than eighty motor. The motorcycle's starter motor replaces the foot pedal method. The diversification of portable rechargeable power tools, and the future of the electric vehicles required for environmental protection, all give rise to high expectations for high-performance DC motors.
(4) Micromotors for power tools. The conversion of industrial products into home-use hand tools has made high-end electric tools and home appliances popular. The stringent requirements on the performance of series-excited motors have become more and more severe.
(5) Other special motors. For example, the number of satellite receiver steering motors, lawn mowers, disabled car motors, and CNC servo motors has increased year by year, while the number of brushless motors used in computers and advanced electrical appliances has increased by the largest, tens of millions.
(6) Industrial motors. Has always been driven by the international economy, rising industrial countries, new equipment, new machine production, making the future of industrial motors is still full of hope.
The US military micro-motor manufacturing industry has a long history, and its scientific research and product level are in the world's leading position. For a long time, most of the various types of micro-motors used in military equipment and electronic devices in Western countries have been supplied by several major US companies. The micro-motor U.S. military standard has become an international standard.
The United Kingdom has a good foundation for the motor industry. The industrial level of military micro-motors is also relatively high. Its products are also supplied to NATO countries, in addition to being used by the domestic military. The military micro-motor industry in France, Japan, Germany and other countries started late. Its product technology level is lower than that of the United States, and its specifications are also small. Both France and Germany rely on their own technical characteristics to develop some new products and form specialized technical products with special features. For example, the position sensing products in France, the brushless motors and stepper motors in West Germany are all at or close to the United States. The former Soviet Union's micro-motor industry has a long history of development and has formed an independent scientific research and production system. It adopts closed and centralized production and is borne by a few large military backbone enterprises. It attaches particular importance to product quality and reliability, but its product performance level and There is a certain gap between new product development and the United States.
Additional value high micro-motors effectively promote micro-motor technology progress
In the past two years, the use of micro-motors has increased significantly. As the development of end products is changing with each passing day, the types of machines are continuously updated, and the design, development, and production of the functions of the electric motors are constantly updated. Therefore, in the future, the functions of middle-to-high-end motors must be measured in conjunction with the development of new products and the actual needs of manufacturers, and the potential of the entire international market is enormous.