At the most basic level, we hope that the building (whether it is a simple dwelling or a modern reinforced glass structure) can provide a comfortable space for the residents. The Internet of Things (IoT) transforms people's perception of buildings, making people realize that it is not just the living "container" of the residents, but also more possibilities, so that the residents can minimize operating expenses and be more environmentally friendly .
Building a smart building requires smart lights, HVAC, fire alarms, building safety devices, and even elevator systems, and these factors need to be related to each other and share intelligence, so that when the residents and the grid demand, the building can respond quickly.
Although the operating cost of a smart home or smart building may be relatively low, it can save energy and cost for its long-term owners; but in the short term, investors still need to configure a sensor network, gateway and cloud computing capabilities smart system. Video doorbells are 10 times more expensive than traditional doorbells; smart thermostats are also more expensive than traditional thermostats. Why are customers willing to pay higher fees? If you consider from the perspective of home automation, are you willing to make the home smarter? Obviously, we are more willing to choose to pay higher fees to achieve home intelligence.
Reason one : Technology makes the Internet of Things more realistic and affordable. It combines the various physical parameters of smart sensing with the connectivity of smart thermostats, video doorbells and available smartphones, enabling consumers to be surrounded by smart sensors and controls such as electronic locks and video doorbells at home, and It allows them to manage smart products more efficiently than before. Reason two : familiarity. The vast majority of consumers believe that it is very challenging to set a schedule for their sprinkler system. As smartphones penetrate into consumers' lives, it is simpler to use their sprinkler system to control the sprinkler system than to use a man-machine interface of a specific product that is out of repair. Reason three : convenience. Consumers can even control home appliances when they are out, open garage doors remotely, or use an application to send security certifications for smart locks. Paying a down payment for your own home automation kit can help residents save money, by providing water leak detectors, door and window sensors and self-monitoring cameras to reduce third-party daily monitoring costs.
An important design factor that is often considered when smart devices enter commercial smart buildings is compliance with the California Energy Commission's Article 24 energy conservation regulations. Today, the energy consumption of commercial buildings in the United States accounts for 40% of the total energy consumption in the United States. The most significant energy-consuming equipment is heating, ventilation, and air conditioning (HVAC). Compared with the traditional HAVC plan, controlling ventilation based on the needs of the population can save energy by 15-20%. According to the occupancy rate and external incident sunlight (daylight harvesting technology) to adjust the indoor lighting of the building, the energy coverage area of ​​the building can be significantly reduced.
Imagine using Bluetooth® low-energy pointer navigation to find a meeting room through a labyrinth-like complex office area without wasting a lot of time because of getting lost; in the same situation, you do n’t have to waste time waiting for the elevator when you need to take the elevator , It is already waiting there, or has been programmed to the floor you want to go to in advance. Imagine that smart sensors can detect HVAC and elevator performance and accurately estimate predictive maintenance, thereby minimizing downtime. Due to the continuous processing and adaptation of buildings, the enthusiasm of all residents has increased.
More and more smart nodes in sensor networks require batteries to operate. If the battery has a long service life, it can prevent frequent battery replacement and bear maintenance costs. To overcome this problem, it is necessary to implement a solution that includes an entire system approach, using low-power simulation or micro-power simulation to perform sensor operations. Low-power management requires only very low management skills and a wake-up connectivity solution , Perform complex operations such as fast Fourier transform, and then return to sleep mode.
Many technologies from TI and other companies have shown us solutions for creating smart homes or buildings. Some samples include:
• Internet of things gateway: including multi-sensor nodes such as carbon monoxide detector, occupancy rate detection, temperature and humidity sensor nodes, as well as button batteries (10 years of service life) and electronic locks with four AA batteries (5 years of service life).
• Use the IoT gateway to transfer data from dual-band Sub-1 Ghz and Bluetooth® low-energy sensors to the cloud: connect data from 1, 2, or up to 50 sensors to a remote Sub-1 GHz wireless network The cloud is ideal for industrial and consumer applications such as building control and asset tracking. Below 1Ghz sensor to cloud industrial IoT gateway reference design, it is equipped with TI Sitara ™ AM335x processor and SimpleLink ™ sub-1GHz CC1310 / CC1350 device.
• Are Bluetooth 5 ready? Let ’s take a look at the Bluetooth 5 standard first. It uses a sample to demonstrate the 2Mbps mode, online update speed is twice as fast as Bluetooth 4.2, and improves TI ’s SimpleLink ™ Bluetooth low-efficiency wireless MCU for medical, health care, clothing, remote control, building automation And automotive (body control and lighting, entertainment facilities) and other IoT applications.
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