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Smart and convenient The role of sensors in smart homes

June 29 , 2022

More and more sensors are widely used in smart home appliances. Faced with the gradual popularization and development of intelligent home networks, it has become more urgent to introduce various sensors into home appliances. People hope that home appliances can increase the comfort of use, reduce energy and water consumption, facilitate cleaning, reduce noise and vibration, improve the quality of use, and realize complex intelligence.


In the past, sensors were mainly used in temperature control and level control systems. Now their functions have been improved:


  ①Basically, negative temperature coefficient (NTC, Negative Temperature Coefficient) and positive temperature coefficient (PTC, Positive Temperature Coefficient) thermistors are used in all temperature measurements;

  ②Use inductive sensors to measure residual humidity;

  ③Use the rotation speed sensor to measure the rotation speed of the washing machine and dryer;

  ④Capacitive sensor is used in button switch operation;

  ⑤The integrated temperature sensor indicates that the engine is overloaded.


sensor


In recent years, new and improved miniature sensors have been used in washing machines and dishwashers.


   1. The pressure sensor is used as a water level switch or more complex device, such as the monitoring of the amount of foam in washing machines and dryers.

  2. Chemical sensors are used for water quality monitoring. Monitoring parameters include turbidity, color, surface tension, detergent solubility, pH, etc., and then determine the number of rinsing cycles (solution sensing system).

  3. The photoelectric system is used to monitor the turbidity of the washing machine, so that the number of washing cycles matches the actual needs (aqueous agent sensor system).

   4. The electromagnetic sensor is used in the dishwasher to control the movement of the spray arm.


Electromagnetic sensor


Many other home appliances also use advanced sensors. The role of sensors in smart homes


   1. Non-contact detection systems, such as micro-machined thermocouple infrared sensors for temperature control, which can also be used in cookware, hair care appliances and toasters.

   2. The flow sensor can be used to detect air quality in electric fans and vacuum cleaners.

  3. Acceleration and slope sensors can be used in electric Olympic games.

  4. Intelligent multi-gas sensor (artificial nose) can be used in automatic grilling control.


Reed switch is a typical example of remote sensing technology. It is used in thousands of electrical equipment.  include:


  ①Turbine type meter measures liquid flow;

  ②Water level monitoring, such as used in coffee machines, or used in dishwashers to monitor the water level of softeners and clarifiers;

  ③The movement control of the spray arm of the dishwasher;

  The role of sensors in smart homes

  ④Washing machine drum position detection;

  ⑤Safety control of electrical door detection, infrared sensor.


infrared sensor


  ⑥Electric toothbrush;

  ⑦Reed sensor in carpet vacuum cleaner;

  ③Massage chair, bathtub lift and hospital bed movement or final position detection.


Author: Written by Ms.Anna Zhang from S4A INDUSTRIAL CO., LIMITED

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  S4A-Security For All.S4A Industrial Co., Limited, Founded in 2010, We have been dedicating in access control production R&D and sales for 10year till now. With the belief that we do one thing well in a lifetime, our CEO has been in this industry for 15 years. During the past 10 years, our products have been exported to various countries and regions. And 90% of customers come from the recommendations of cooperative customers, and 80% of the turnover comes from cooperative customers in the past 10years.Your business is a plant, we are the gardener, our mission is to water and fertilize the plant, and make it become the towering tree. We attach great importance to the partner's appeal, customer's suggestions, and feedbacks. To strengthen Product quality awareness, client's service awareness. Our clients and S4A are on the same path walking for many years.       S4A's future would be even more brilliant, this is related to all of our staff's working sweat. When you join this team, you will feel an invisible power to drive walk forward. S4A mainly produces a series of security Door Access Control such as:Network Access Controller, Locker board, Electromagnetic lock, Standalone door Controller, Automatic door opener, etcOur team can manufacture products, sell products, and do after-sales.In the realm of access control, one company stands out for its unwavering commitment to providing security services for everyone. S4A, which stands for "Security for All," has been at the forefront of access control technology for the past 13 years. With its own state-of-the-art factory and a strong focus on research and development, S4A has continuously delivered cutting-edge access control machines with the latest functions. Their dedication to product quality, customer feedback, practicability, and cost performance sets them apart as a leader in the industry.Factory and R&D Expertise:S4A takes pride in its fully-equipped factory, where skilled engineers and technicians work tirelessly to develop and manufacture access control solutions that meet the highest standards. The company's investment in research and development has resulted in a steady stream of innovative products that cater to evolving security needs.By staying ahead of the curve, S4A ensures that their customers have access to the latest advancements in access control technology.Quality Assurance and Customer Feedback:At S4A, product quality is of paramount importance. The company adheres to rigorous quality control procedures throughout the manufacturing process to guarantee the reliability and durability of their access control machines. Each product undergoes comprehensive testing to ensure it meets industry standards and exceeds customer expectations. S4A also places great value on customer feedback, actively seeking input to continuously improve their products and services. By listening to their customers, S4A maintains a customer-centric approach and delivers solutions that address real-world security challenges.Practicability and Cost Performance:S4A understands that access control solutions must not only be technologically advanced but also practical and cost-effective. The company's emphasis on practicability means that their products are designed to be user-friendly, easily integrated into existing systems, and adaptable to various environments. S4A's access control machines are known for their intuitive interfaces, simple installation processes, and seamless compatibility with other security systems. Additionally, S4A strives to provide cost-effective solutions without compromising on quality. Their competitive pricing ensures that security is accessible to businesses and individuals of all sizes.With 13 years of industry experience, S4A has cemented its position as a leading provider of access control solutions. Through their dedication to "Security for All," the company has set a benchmark for excellence in product quality, customer satisfaction,practicability, and cost performance. S4A's in-house factory and research and development capabilities enable them to stay at the forefront of technological advancements in the field of access control. As the company continues to evolve and innovate, S4A remains committed to empowering individuals and organizations with the highest level of security, ensuring that everyone can enjoy the peace of mind that comes with a reliable and efficient access control system.We can create value for you!Quality takes great importance for a company's credibility, and buyer's every penny spend must worth it. That is our most basic principle. Our business mainly for wholesale, so we could offer large quantities at competitive prices. During the past 10 years, We work hard to create value for our customers, and with our help, customers have an increasing market share. 99% of the customer...<
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