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1. Micro Motor Shell design in smart wearable devices
Smart wearable devices, such as smart watches and smart headphones, are becoming more and more popular among consumers. Since these devices need to be worn for a long time, the design of the micro motor shell must take lightweight and comfort as the main goals.
1. Selection of shell materials
Micro Motor Shell in smart wearable devices usually uses aluminum alloy, high-strength plastic or stainless steel as the main material. Aluminum alloy is usually selected for high-end smart watches and other products due to its good thermal conductivity and lightness. High-strength plastic is widely used in low-end smart headphones and bracelets and other devices due to its low cost and easy molding. Stainless steel materials are usually used in devices that require higher corrosion resistance and scratch resistance, such as high-end sports smart watches.
2. Compactness of shell structure
In smart wearable devices, Micro Motor Shell design needs to take into account the maximum utilization of space. Due to the limited size of the device, the motor shell not only needs to accommodate the motor body, but also needs to be integrated with components such as batteries, sensors, and displays. Therefore, the structure of the shell is usually designed to be compact and modular, that is, it can be easily connected and fixed with other electronic components to ensure the stability and efficiency of the motor when working.
3. Waterproof and dustproof design
Smart wearable devices often need to be worn for a long time in daily life, especially when exercising, so the waterproof and dustproof function of the shell is very important. The motor shell of smart watches and sports bracelets is usually required to reach IP67 or higher protection level, which can effectively prevent moisture, dust and sweat from entering the device. To this end, designers usually design waterproof seals on the shell and use sealing technology to ensure that moisture does not penetrate.
4. Heat dissipation design
Although the micro motor of smart wearable devices has low power, long-term wearing may cause the motor to overheat, so heat dissipation design is still an important consideration in the design of the shell structure. In order to reduce the risk of motor heating, the shell is usually designed with tiny heat dissipation holes or uses materials such as thermal conductive plastics to help the motor dissipate heat.
2. Micro motor shell design in medical instruments
Medical instruments, especially portable medical devices and precision surgical tools, have more stringent requirements for Micro Motor Shell. In addition to ordinary physical protection, medical devices have higher requirements for biocompatibility, hygiene and anti-interference.
1. Selection of shell materials
The shell of micro motors in medical equipment usually uses materials such as stainless steel, medical grade plastics or titanium alloys. These materials not only have good corrosion resistance and antibacterial properties, but also can effectively avoid allergic reactions that may be caused when in contact with the human body. In addition, some high-precision medical equipment may use titanium alloys to improve the strength and impact resistance of the shell and ensure the safety of the equipment during use.
2. Design of protective performance
The Micro Motor Shell of medical instruments must have waterproof and moisture-proof functions, especially for medical equipment that often comes into contact with water or disinfectants. The shell design must have IP68 level protection capabilities. The shell must adopt waterproof sealing technology to ensure that no liquid will enter the motor and ensure the long-term stable operation of the equipment. For some surgical instruments, anti-radiation and anti-ultraviolet functions must also be added to ensure that the use of the equipment is not interfered with by the external environment.
3. Anti-vibration and durability design
The micro motor shell of medical instruments often faces large mechanical shocks, especially portable devices and surgical instruments. Therefore, the shell design needs to have strong shock resistance and impact resistance. Commonly used materials such as stainless steel can not only improve corrosion resistance, but also enhance impact resistance. In addition, the design of the housing should be able to effectively absorb the impact force to ensure that the internal components of the motor are not damaged.
4. Heat dissipation design
Medical equipment needs to operate stably for a long time, especially portable equipment, so heat dissipation performance is particularly important. The housing of the micro motor is usually designed to be closed and has high thermal conductivity materials, such as aluminum alloy and copper alloy, to ensure that the heat is quickly
conducted away to avoid motor overheating and malfunction.
3. Design of micro motor housing in power tools
Power tools, such as electric drills and screwdrivers, are tools with high frequency of use and relatively harsh working environments. Therefore, the focus of the design of their micro motor housing is durability, heat dissipation and impact resistance.
1. Selection of housing material
The housing of the micro motor in the power tool needs to have high impact resistance and high temperature resistance. Therefore, aluminum alloy, reinforced plastic or steel is often used as the housing material. Aluminum alloy materials have good heat dissipation performance and corrosion resistance and are widely used in power tools. For power tools that require high strength, steel materials are usually used to ensure the impact resistance of the housing.
2. Heat dissipation design
Since power tools usually generate a lot of heat when working, the heat dissipation design of the micro motor housing is particularly important. In order to ensure that the motor is not damaged due to overheating under high load, the housing design is usually equipped with heat dissipation holes to enhance air circulation and quickly remove heat. In addition, some high-power power tools may also be designed with cooling fans or aluminum alloy heat sinks to improve heat dissipation efficiency.
3. Dust and waterproof design
Power tools are often used in dusty and humid environments, so the housing needs to have strong dust and waterproof capabilities. The design of the micro motor housing needs to reach IP54 or higher protection level to prevent dust, metal chips or moisture from entering the motor and affecting the normal operation of the motor.
4. Impact-resistant design
Power tools are often faced with severe vibration and impact, especially when drilling or tightening screws, so the housing must have high impact resistance. High-strength materials such as glass fiber reinforced plastic (PA+GF) or aluminum alloy are often used to improve impact resistance and ensure that the tool can maintain stability and safety in extreme environments.
