In a previous blog post, I introduced the first trend in several trends in building automation wireless sensor networks: energy efficiency. Let us recall that the four key trends in implementing more sensors in building automation systems include: energy efficiency. Safety and security. User comfort. Preventive maintenance. The sensors mentioned in the second article of this series of blogs can be applied to the building to help protect the property of the owner and the owner, notify the owner and dispatch center after any security issues, or notify the owner after detecting a dangerous situation in the environment. The two themes of safety and security involve many building automation applications: from heating and ventilation (HVAC) to building security and fire protection systems. The building security system not only provides an alert system that notifies the authorities of abnormal activities, but also provides you with the latest security status of your home or building. Today, reed switches or digital Hall effect sensors can help detect door (or window) contact conditions. If a secondary magnet is used to set the system for intrusion detection, a more reliable front-end detection can be created using a duty cycle, analog Hall effect sensor. Figure 1: Example of a simulated Hall effect sensor with intrusion detection When I was a child, I remember that when my mother drove us to practice baseball, the car had already opened a distance, but if she was not sure if the garage door was open, she would turn around and go back. I am afraid I have been contaminated with her forgetfulness. I often forget to lock the door after leaving home, so I will go back and check if the door is locked. After installing the electronic smart lock, you can not only check the status of the lock, but also lock or unlock it remotely. Battery life is a problem due to the number of smart wireless devices, including wireless door magnets and wireless electronic smart locks. 4-AA Battery Smart Lock Reference Design with 5-Year Battery Life (TIDA-00757) Increases the battery life of 2.4GHz wireless-connected electronic locks to nearly five years by using a light-load, high-efficiency DC/DC buck converter. Designers used 24 independent lock-up or unlock events with a 500ms Bluetooth® low-power connection to determine power consumption and 3000mAh capacity battery life. Figure 2: Number of lock or unlock events and battery life From the perspective of building security, it is useful to check the status of locks and doors and windows. For safety: detecting smoke, toxic gases, and even particulates is a key factor in ensuring air quality. If you are just returning home from vacation or a building owner, in addition to an audible alarm, the remote device notifies you that a carbon monoxide or toxic gas (TIDA-00056) leak or fire can help you understand if there is an unsafe condition. In addition to gas and fire detection, particle detection can be used to detect the size and concentration of particles such as cigarette smoke, dust or pollen. The TI Designs PM2.5 and PM10 Particle Sensor Analog Front End Reference Design for Air Quality Monitoring (TIDA-00378) gives you an insight into how to use the leading optical air quality inspection methods to detect smoke, dust and pollen particles. To get a quick look at connection sensing, be sure to check out these building automation reference designs and other resources below. other information: Review the following security and security wireless sensor node reference designs: Low Power Wireless PIR Motion Detector Reference Design with Button Battery Life of 10 Years (TIDA-00489) Low Power Wireless PIR Motion Detector Reference Design with Smart Bluetooth® and Button Battery Life of 10 Years (TIDA-00759) MSP430FR4133 Microcontroller Air Quality Sensor Reference Design (TIDM-AIRQUALITYSENSOR) KNBL1-32 Residual Current Circuit Breaker With Over Load Protection
KNBL1-32 TWO FUNCTION : MCB AND RCCB FUNCTIONS
leakage breaker is suitable for the leakage protection of the line of AC 50/60Hz, rated voltage single phase 240V, rated current up to 63A. When there is human electricity shock or if the leakage current of the line exceeds the prescribed value, it will automatically cut off the power within 0.1s to protect human safety and prevent the accident due to the current leakage.
KNBL1-32 Residual Current Circuit Breaker,Residual Current Circuit Breaker with Over Load Protection 1p,Residual Current Circuit Breaker with Over Load Protection 2p Wenzhou Korlen Electric Appliances Co., Ltd. , https://www.korlen-electric.com
leakage breaker can protect against overload and short-circuit. It can be used to protect the line from being overloaded and short-circuited as wellas infrequent changeover of the line in normal situation. It complies with standard of IEC/EN61009-1 and GB16917.1.