Portable body motion power generation system

"Move, move, and finally have electricity generated." When students saw the hands of the omnipotent watch oscillating back and forth, the students in the field swelled with excitement. Recently, teachers and students of the School of Energy and Power Engineering of Yangzhou University invented a power generation system that can convert kinetic energy generated by human motion into electrical energy and can be carried around.

The human body stores enormous energy. According to statistics, the energy stored in fat of an adult is equivalent to the storage of a one-ton battery. In fact, many of the energy generated by human motion can be utilized. Based on this phenomenon, Master Yang used more than a month to develop a power generation system that can collect energy generated by human motion for use in mobile phones, MP3s, and other devices.

The system uses simple electromagnetic induction and piezoelectric ceramic devices to generate electrical energy through the principle that human body motion drives magnets to cut magnetic lines. "As long as there is exercise, there will be electricity generated." Lv students responsible for the research and development explained that "the system is not only applicable to the human body, in theory, all moving objects can be used as its carrier."

“Compared with other similar products at home and abroad, such as a device similar to a 'walking generator' invented by a Canadian scientist, this kind of power generation system has the characteristics of low cost and light weight.” Dr. Qi Qi, the instructor said, “Properly improve its operation. Efficiency, the market prospect of this system should be very broad."

Dual-ball Flexible Rubber Joint

The double ball rubber soft joint perfectly makes up for the problem that the single ball rubber soft joint cannot be installed due to its length. At the same time, its structural material is made of dipped nylon cord fabric, and the inside and outside are made of high-strength anti-aging polar rubber material.
It prevents the natural shrinkage of double-ball rubber soft joint products and reduces aging cracks in long-term use.
Because there are many differences in the expansion joints of the pipelines left in the design of the pipelines, the characteristics of the single sphere rubber soft joints in the use of the single sphere rubber soft joints can no longer meet the needs of the pipeline expansion joints, so it is necessary to use double Ball rubber soft joint to make up for the lack of single ball acid and alkali resistant rubber soft joint in terms of installation length and expansion.
Double sphere rubber soft joint technical data
Working pressure: 0.6Mpa, 1.0Mpa, 1.6Mpa
Working temperature: -40 degrees to 80 degrees (also can process high temperature resistant rubber soft joints)
Product size: DN32-DN1000
Material of main parts
Ball body: NR, CR, IIR, NBR, FKM, EPDM
Inner and outer lining: NR, CR, IIR, NBR, FKM, EPDM, PTFE
Main frame: Nylon cord
Booster ring: multi-strand copper-plated steel wire
Fitting Flanges: Cast, Forged Carbon Steel (Q235), Stainless Steel (201, 304, 316, 321), Plastic (PVC, PPC)
With unique design, novel structure and good sealing performance, the double sphere rubber soft joint solves the pipe burst and damage to the pipe connection equipment caused by thermal expansion and cold contraction, and effectively improves the service life of the pipeline and the protection of the equipment. Compared with the single sphere, the double sphere has a larger compensation amount. It is widely used in various pipeline systems. Connections with pumps and Valves, fire-fighting equipment, pipelines with large vibrations, and pipelines with frequent changes in cold and heat. Mainly used for lifting and conveying raw water and sewage, feed water and cooling circulating water in thermal power plants, metallurgical industry, condensate water, pipeline transportation of chemical substances in chemical industry, cooling, dilution in petrochemical industry and other industries. Flexible connection. Because rubber has high wear resistance, it is also suitable for low-temperature transportation of granular and powdery and vapor in all industries.

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