1, ultrasound diagnostic instrument
Can be used to diagnose lesions in organs and tissues within the human body, due to its non-invasive, non-radioactive and commonly used in hospitals. Especially in the field of obstetrics, due to the sensitivity of the fetus to radiation, basically will not be used on the fetus or the mother of X-ray, CT and other diagnostic equipment, ultrasound at this time has become the best choice.
Compared with X-ray, CT, ultrasound diagnostic equipment has two characteristics, the first is non-radioactive, that is, high security, and the second is real-time, see the image is real-time, do not need to wait for film processing or digital imaging time, which not only saves time, but also real-time measurements, which can be applied in the cardiovascular field, to measure the flow rate of the blood, so as to diagnose the disease situation.
2, ultrasonic cleaner
Can be used for cleaning purposes, is generally believed to be the use of ultrasound in the liquid "cavity phenomenon". Ultrasonic cleaning machine cleaning principle, lies in the use of ultrasonic vibration of water, so that micro-fine vacuum bubbles generated in the water, when the real air bubbles bursting release the energy stored in the bubble inside the release of the temperature of about 5000 ℃ as well as more than 10,000 pounds of pressure will be taken away from the surface of the object grease or dirt.
The ultrasonic frequency generated by the cleaner is about 20-50kHz, which can be applied to the cleaning of jewelry, lenses or other optical instruments, dental appliances, surgical appliances and industrial parts. In addition to the ultrasonic whistle that can be issued at a lower frequency of purely mechanical, general ultrasonic equipment has an ultrasonic power supply, transducer, amplitude lever, tool head and other components.
The transducer has piezoelectric ceramic transducer and magnetic transducer two kinds. The theory of transducers and amplitude-change rods can also be considered a specialized discipline.
3, ultrasonic degreasing
The adherence of oil on the parts in the degreasing solution, and make the degreasing process in a certain frequency of ultrasonic field under the action of the degreasing process, known as ultrasonic degreasing. The introduction of ultrasonic waves can strengthen the degreasing process, shorten the degreasing time, improve the quality of degreasing, reduce the consumption of chemicals.
Particularly on the complex shape of the parts, small precision parts, the surface of the parts and insulating materials made of difficult to remove the parts of the dirt has a significant degreasing effect, you can save time-consuming manual labor, to prevent damage to the parts.
4, ultrasonic rangefinder
For measuring distance. Through the ultrasonic transmitter sends out ultrasonic waves, according to the receiver to receive ultrasonic waves when the time difference can know the distance. This is similar to the principle of radar distance measurement. Ultrasonic transmitter to a certain direction to send ultrasound waves, in the launch moment at the same time to start timing, ultrasound waves in the air propagation, on the way to meet the obstacles will immediately return to the ultrasonic receiver to receive the reflected wave will immediately stop timing.
5, ultrasonic humidifier
Theoretical studies have shown that, under the condition of the same amplitude, the energy of an object vibration is proportional to the frequency of vibration, ultrasonic propagation in the medium, the medium mass vibration of the high frequency, and therefore a lot of energy.
In the dry winter in northern China, if the ultrasonic waves into the water tank, the violent vibration will make the tank of water broken into many small droplets, and then a small fan to the droplets blown into the room, you can increase the humidity of indoor air, this is the principle of ultrasonic humidifier.
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