What is smart building?
It refers to providing users with an efficient, comfortable and convenient humanized environment by optimizing the combination of the building's structure, system, services and management according to the needs of users and compliance of standards. Intelligent buildings are the product of modern science and technology mainly composed of modern construction technology, computer technology, communication and control technologies to achieving functions of safe and secure setting, healthy spaces, automated control, network connectivity, energy reduce and business productivity. The occasions can be commercial buildings as offices, supermarket, shopping mall, education buildings as school building, public buildings as library, airport, medical buildings of hospital, healthcare center, etc.
What sensors can be used for smart building?
Sensors are increasingly used in the vastly growing need for safe and secure building environments. These sensors continuously monitor environments to ensure that the air quality, temperature, humidity, ventilation in a building are accurate. They can identify scores of potential threats - including harmful gases emission, combustible gas leaks, fire, intrusion. Automated control can be achieved through human induction door, intelligent lighting, pressure and flow monitoring. The data and information collected from sensors will be transported the data process center and realized a intelligent IoT system.
Winsen provide completer sensing solutions for smart building in environmental improvement, automated control, security monitoring, fire prevention and IoT system operated in smart buildings.
How Gas Sensors improve building Health and Safety?
Gas sensors play a vital role in building safety. They are designed to detect and monitor gas concentration, gas leakage and toxic gases. This is achieved through safety inspections that focus on testing air quality in different parts of the building. New health and safety regulations passed by governments across the globe mean that gas sensors boasting high sensitivity to the gases are becoming an important part of safety systems.
Indoor Air Quality
CO2(Carbon dioxide)
Carbon dioxide is one of the key indicators of detecting air quality in limited space. With the growing requirement to install air quality monitoring device including CO2 detector/meter in the buildings and HVAC system, more and more solutions provider integrated CO2 sensor into their products.
| Model: | MH-Z1911A |
| Detection: | 400~10000ppm optional |
| Principle: | non-dispersive infrared (NDIR) principle |
| Size: | 32.9x19.7x8.6mm (LxWxH) |
| Notes: | RESET compliant |
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Temperature and Relative Humidity
Keeping proper range of temperature and humidity will provides a comfortable experience for working and commercial activities. Winsen combines temperature and humidity sensor in delicate size used for space environmental monitoring.
| Model: | ZS21 |
| Principle: | Semiconductor, Module |
| Characteristics: | Fully calibrated, Wide power supply voltage range, from 2.0V to 5.5V,Digital output, standard I²C signal |
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PM Particulate Matter
Fine dust and particulate matter sensors(PM1.0/PM2.5/PM10) are commonly used in indoor clean air devices such air purifier, air conditioner and HVAC system.
| Model: | ZH10-VHT |
| Principle: | Laser spectral absorption |
| Characteristics: | Good consistency;Real time response;Accurate data; |
| Size: | 38×35×12mm(L×W×H) |
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HCHO Formaldehyde
Construction and decoration materials, furniture are the main source of indoor formaldehyde pollution. HCHO sensor is necessary for constant monitoring the content so as to keeping it in healthy range.
| Model: | ZE08K-CH2O |
| Detection: | 0～5ppm |
| Principle: | Electrochemical |
| Characteristics: | High sensitivity &resolution, Low power consumption, Long life |
| Response time: | ≤60s |
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Air Quality Modules
To provide multiple sensor functions in one fit, the air quality modules can integrated sensors to detect CO2, particulate matters, temperature, relative humidity, HCHO, VOC and more target gases based on customers requirements.
Gas & Fire Safety
Hazardous Gas
There are potential risks of toxic and harmful gases leaks to threat people’s health or reduce experience, like toxic gases of carbon monoxide-CO, toluene-C7H8, ozone-O3, nitrogen dioxide-NOx, ammonia, odor, etc. Timely detection and alarm is necessary for a healthy and safe environment. Winsen provides sensors and smart module to detect a wide variety of hazardous gases.
Combustible gas
gas leaks are one of the most concerned securities which may bring large-scale accidents and casualties. Winsen provides gas sensors working on semi-conductor, catalytic, and infrared detection for methane, butane, propane, hydrogen, and more combustible gases.
Refrigerant
Refrigerant gases are used on civil, commercial and industrial refrigeration, HVAC, air conditioner, heat pump, process control, etc. The on trend refrigerant as R are flammable and prone to explode even small leakage happens. Winsen has customized refrigerant gas sensors for fixed and portable detectors for quick detection.
Flame
Fire prevention is one of the risk management which integrated multiple sensors of flame, smoke, and gas sensors. Winsen provide infrared flame sensors with high sensitivity and fast response.
Smoke
Smoking is not allowed in many indoor spaces for air quality and safety purpose. Smoke from cooking or caused by fire accidents can also be alarmed when sensors detect it for next process or link the fire fighting device.
Intelligent Control
Intelligent lighting/Automated door/Intrusion detection
Human induction lights and switches using PIR Pyroelectric Infrared Sensor have replace traditional lights in offices and public sites for automated control and reducing energy consumption.
PIR sensors are also commonly used in automated door and bell.
PIR sensors are installed in security monitor or camera and alarm human or animals intrusion.
Winsen developed analog, digital and semi-digital PIR sensors with different window size and view angles, Pin numbers able to adjusting sensing distance and realized additional functions such as time relay.
Pressure Sensors in Smart Building
The building HVAC, heating system, pipes, valves, gauges and more automated control involves pressure sensors and transmitters. Winsen provide ceramic and diffused silicon pressure sensors and transmitters based on piezoresistive principle to detect gas, liquid(water, oil.. ) pressure, measure liquid level (water tank, oil tank), etc.
Flow Sensors in Smart Building
Flow sensors are also increasingly used in smart buildings. A flow sensor is a tool that measures the volume or mass of fluid to help building designers, architects, and construction engineers monitor and control fluid flow inside and outside buildings during design, construction, and maintenance. Winsen developed gas thermal mass flow sensors to measure gas flow for gas supply, automated control with high accuracy and good repeatability.
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