In 2015, there was a high-frequency hot word that constantly hit people's eyes, that is, "smart home". The author has no doubt about the arrival of this reality, but what we have seen so far has not yet reached this step. To be precise, "smart home" is still a long way from us.
In order to make this clear, we can first talk about what the "smart home" looks like. Since it is called intelligence, it must be a system with a bit of thinking, learning, judgment, and analysis capabilities. As for the common concept of home, everyone is familiar with it, so I won't go into details. Next, let's talk about what the smart home should do and what it can do. Simply put, "smart home" should create a safe, comfortable, environmentally friendly and energy-saving environment for people; provide people with appropriate health care and health-care functions; so that people will not do what they should do and forget to do it in a relaxed and happy life. Can't do it accidentally. With the author's limited knowledge, standing on the technical level of today, I can only make such a description of "smart home". In the long run, these may not be enough. What can be done for "smart home", I think it can at least replace people to adjust and control the system in the home; keep the appropriate data records and analyze the completion of the implementation of the system; can report to the emergency, Reminder, lock; record, analyze and display daily trivial affairs. According to this, "smart home" is a larger system project, it contains "brain", "neurology", "hands and feet", which is what I can see now, "smart home" one, two, three, Compared with the complete form of smart home, this one two three may be "a drop in the sea". The "brain" referred to here should belong to various forms of computers, microcontrollers, MCUs, CPUs, etc. Their status and function are the core of related functional circuits-the brain that sends, receives, or processes instructions; it is called "the brain" What the nerve "does not allow" is the various network and data acquisition signal lines, and the "hands and feet" is better understood, that is, the terminal's executive mechanism.
If everyone basically agrees with what the "smart home" should do and what can be done, then we will talk about how to implement the functions of the system in the smart home. In order to create a safe, comfortable, environmentally friendly, and energy-saving environment for people, "smart home" can effectively manage the entry and exit personnel through the security settings of the system, such as the necessary identity registration, authentication, and filing of newcomers. Registered personnel go in and out, make routine records, analyze the rules, and prompt when abnormalities are found; authorize the access control system accordingly to prevent irrelevant personnel from entering and leaving the management area at will; implement an entry system for flammable gases and substances without corresponding measures No entry; timely alarms for abnormal smoke, heat sources, fire hazards, and harmful gases to remind people to extinguish and protect; use outdoor sound and light to remind the door lock when living outdoors.
Through the comprehensive control of the system, achieve the most stable and long-term constant temperature and constant humidity; replace the fresh air in the room from time to time, and monitor the gas composition in the room, such as PM2.5, carbon dioxide, nitrogen, and oxygen content percentage, according to this Automatically switch on and off the corresponding equipment; implement a certain range of monitoring for the smoke emitted by the residents, manage the emissions after treatment when necessary, promptly alarm the entry of radioactive construction materials, monitor the sound pressure of the noise, and find excessive noise Source, promptly remind the property staff to deal with; continuous monitoring of energy consumption, prompt users when abnormalities are found, collect and use rainwater, and make reasonable partial use of household washing water.
Through the personalized settings of the system, unique reminder and reminder functions are realized, such as: wake up, wake up reminder, add clothes when going out, indoor and outdoor drying index, ultraviolet intensity, outdoor wind direction level, weather change trend, suitable time for exercise ; Remind the elderly to take medicine, meal, edible fruit mix and exercise activity guidance; display the related food calories, fat content, cholesterol, etc .; remind owners to pay fees, take documents or collect relevant data; remind residents to go out on time Selected means of transportation; display daily life information in public areas.
By adding relevant terminal equipment to the system, measuring the basic parameters of the human body, monitoring changes, discovering abnormal conditions and notifying the family members concerned, faithfully recording relevant data under normal circumstances, and regularly providing them to the user or the user ’s designated medical network; appropriately adjusting the indoor Lighting, timely ventilation of unmanned areas, lighting and access control, locked state and safety monitoring equipment, etc.
The above may seem trivial, but "smart home" is to liberate people from simple and repetitive cumbersome affairs, just to do these cumbersome and repetitive things, and it is precisely based on the computer. The main item of "smart home". To successfully complete these tasks, you can use the more mature sensors such as 4-20mA and new data acquisition equipment, you can also use single-chip and DSP to form a functional group with a certain range, you can also use the family computer The electrical appliances that make up the LAN control room can even use mobile phones and WiFi to operate home appliances. Among the many control methods, I personally think that it is better for the residents to perform the basic settings and settings, and then the smart home system automatically runs and adjusts according to the owner ’s intentions, including certain fault tolerance and error correction. The self-adjustment is completed within the range set by the user, which truly reflects the intelligence, automation and normalization of the smart home. There are many such operations, but people are put into slaves of the control system. When it is complicated, people will not enjoy the fun and convenience of intelligentization, and naturally they will not be interested or even in demand for smart homes.
Next, talk about "industry partition". Materials and technology --- With the rapid development of new materials and new technologies, new technologies have laid the foundation for the birth of new materials, and the improvement and improvement of various materials have spawned new technologies. For example, the technical improvement of poor glass insulation led to the R & D and production of "insulating glass"; the problem of glass not blocking light has led to the use of electronically controlled dimming glass; due to the requirements of environmental protection and energy saving, the "light- Development of "Volt glass". There is no direct relationship between the products and technologies listed here, but the progressive development of modern society has quickly established a connection between the two. The original "industry partition" that was irrelevant is now broken, and there is no industry. Today, the application of new materials has brought opportunities for the promotion of new technologies. In the development of new buildings, a large number of double-layer insulating glass is used to reduce heat loss and improve the effect of air conditioning, which in turn leads to the consumption of electrical energy. Lower; the next step of the promotion and use of "light-volt glass" can also provide a certain amount of electrical energy for energy-saving lighting, which can also be regarded as another function of smart home in the future, if you use the correlation between the two Develop intelligent products that automatically control the "light is weak when the environment is bright and strong when the light is dark", is it a little better than the smart products that use mobile phones to control the brightness and color of the light? This leads to another topic-architecture and control. Smart home is a part of a building. All smart homes are concentrated in a building, which brings new control and management requirements to the building, overall energy saving, environmental protection control, safety management, smart communication, etc. The realization of these functions needs to be seriously considered from the design link, rather than waiting for the completion of the building and then grooving and punching during post-decoration. Therefore, smart home is a systematic project that requires multiple industries and multiple disciplines , Joint operation of multiple technologies. At present, some real estate development has already taken the lead, leaving the equipment space that the user may need to enter the home in advance, and the basic network is installed. If on this basis, the wireless router is also like a fire alarm probe Isn't it a good thing to have a unified installation, unified coordination and protection, reduce many unsafe factors, free up more space, and give more benefits to users?
Finally, back to the aforementioned "brain", "neurology", "hands and feet", now we see that the smart products are indeed good, many home appliance manufacturing companies are struggling to enter the research and manufacturing of smart home products, this It is a gratifying good phenomenon for the country, enterprises, and users. To improve our quality of life, and to continue to move forward, we must respond to the "innovation" called by the government, from theoretical innovation to technological innovation, from product innovation The service innovation must keep pace with the times. The courage to say that "smart home" is still a long way from us, because we can currently see, hear, and use most of the terminal's execution components. These Things are similar to the previous relays, contactors, and switches. They belong to the "hands and feet" of smart homes. Because these are not enough, the application research of "brain" and "neurology" is still relatively small, and these happen to be intelligent. An important part of the home, our lack of these aspects today will certainly provide opportunities for foreign manufacturers, and ultimately make us fall Their back, and the formation of people have watermelon, sesame horrors we pick up. The realization of the smart home is not an overnight imagination, nor a one-for-one success. It should be a product of the wisdom of our nation.
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