With the continuous improvement of social living standards, people are paying more and more attention to personal health and safety, and spending and investment are increasing. The massage chair is a family health care product that is driven by electric energy and uses mechanical rolling force or mechanical pressing force to perform automatic massage. It can promote blood circulation, help to improve the pain, and relieve fatigue and exercise. Especially for most modern people in the fast-paced rhythm, there is not much time and energy to relax, then the massage chair becomes an economical and convenient alternative.
The mechanical squeezing force simulating the human finger massage in the massage chair is generated when the air pump inflates the airbag, and the process of circulating inflation is monitored by the pressure sensor. Generally, the pressure of the air pump is between 30Kpa and 70Kpa, and the length of the inflation determines the pressure of the airbag. The longer the time, the greater the bladder pressure. The greater the pressure of the airbag, the greater the force during massage. Therefore, the amount of force during massage can be controlled by the pressure sensor to measure the pressure of the airbag to control the length of the inflation time.
Honeywell's SSC Series Standard Precision Silicon Ceramic Pressure Sensors use piezoresistive operation and achieve full calibration and temperature compensation for sensor offset, sensitivity, temperature effects and nonlinearity by using on-board ASICs. The post-pressure data update rate is close to 1 kHz (analog output) and 2 kHz (digital output). The SSC series of pressure sensors are temperature compensated from -20 ° C to 85 ° C. These sensors are powered from a single 3.3 Vdc or 5.0 Vdc supply for non-corrosive, non-ionic gases such as air and other drying. Absolute, gauge and differential pressure measurements of gases).
The Digit LED Display is one type of display screen. By inputting relative current to its different pins, it will light up, so as to display all the parameters that can be represented by numbers, such as time, date, temperature, etc.
Because of its low price and simple use, it is widely used in electrical appliances, especially in the field of household appliances, such as air conditioners, water heaters, refrigerators, etc. Most water heaters use Digit LED Display, and other household appliances also use LCD and fluorescent screens.
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