智能家居(英文)
The smart home of the Internet of things
1.Abstract
Smart home is a house as a platform, the use of integrated wiring technology, network communication technology, smart home system design scheme of safety technology, automatic control technology, audio and video technology to integrate the household life related facilities, schedule to build efficient residential facilities and family affairs management system, improve home security, convenience, comfort, artistry, and realize environmental protection and energy saving living environment. Smart home is under the influence of the Internet content embodiment. Smart home in the home through the Internet of things technology with the equipment (such as audio and video equipment, lighting, curtain control, air-conditioning control, security systems, digital cinema system area, network household appliance and etc.) together, to provide household appliances, lighting, curtain control, telephone remote control, indoor and outdoor remote control, anti-theft alarm, environmental monitoring, hvac control, infrared forward and programmable timing control and other functions and means. Compared with ordinary household, smart home not only has the traditional residential function, both architecture, network communication, information appliances, automation equipment, system, structure, service, management as one of the efficient, comfortable, safe, convenient, environmental protection living environment, to provide a full range of information interaction function. To help families keep smooth communication with external, optimize people's life style, help people to arrange time effectively, enhance the security of home life, even for a variety of energy cost savings.
2.Keywords
Furniture, intelligent and humanization.
3.Intelligent household origin
The origin of the concept of smart home very early, but has no concrete construction cases, until 1984, when the United technology company (United Techno1ogies Building System) construction equipment informatization, integration concept was applied to Connecticut (Conneticut) hart CityPlaceBuilding Buddha city (Hartford), only the first Building of intelligent buildings.
4.The smart home development and related domestic film and television
（1）The 1999 Chinese cartoon "the bluecat three thousand asked," is China's first intelligent residence to smart home, and because the anime made smart home for the first time into the public view.
（2）Asia 2003 "cyclone" look of the smart home is built, to become one of the earliest a batch of people enjoy intelligent life in China, he in the variety show "happy camp" in the show makes people left a deep impression on smart home, countless young people are so interested in smart home, on the Internet of things to learn.
(3) the haier company established in 1997, U - the home team and the world first-class laboratory, in the 2010 Shanghai world expo started accidentally draw attention of the world, and haier has taken "smart home to enjoy science and technology" ads in the domestic storm created intelligent boom.
(4) Domestic smart home after 1995-1999, the bud of domestic product cognition, created in 2000-2005 period, 2006-2010, wandering foreign intelligence lives in active phase (due to create China's smart home too exaggeration and vicious competition domestic smart home is notorious), into the fusion evolution period, the next three to five years, intelligent household entered the stage of a relatively rapid growth on the one hand, on the other hand deal with technical standards began active exchange and fusion, industry merger and acquisition phenomenon began to come out and even become the mainstream. Over the next five to ten years will be a smart home industry development is extremely rapid, but also the most considerable period, due to the housing families become the focus of various industries for the market, smart home as a platform to undertake to become parties to force first for the goal.
5.The working principle of Smart home
How smart home work? To coordinate, coordinate each subsystem, it has to have a very strong compatibility of household processing platform, accept and process control facilities message, and then transmit signal to control electrical appliances and other household subsystem. The image processing platform can be understood as an information center, its function is in the intelligent household system, guide and plan to live in a subsystem of various signals. With it, you can through the phone, or wireless remote control for rapid communication and household subsystem.
Present household processing platform general points three categories, one kind is a set-top box, color TV set-top boxes and combination, and home security system and home automation system, and the Internet into a whole, home appliance control, entertainment, intelligent communication and information sharing, etc. Second, is to use home computer to control all kinds of home appliances, home computer based intelligent household system. Use a computer to run the smart home management software, can provide more advanced control features, realize the combination and condition control. Third, wireless remote control module, module type, ordinary switch can use this module, do not need to the original ordinary switch, socket depth of reform, can quickly become a multi-functional intelligent wireless remote control switch and outlet. By using the module production of wireless remote control switch, socket, use convenient, simple, powerful, users in the 60 meters can be wireless remote control lighting, socket, televisions, air conditioning and other household electrical appliances. With the advent of the 21st century, the modern family is the pursuit of residential intelligent brings the diversification of information sharing and safe, comfortable and convenient living environment. As you can imagine, because the smart home system provide people with more relaxed, more orderly and more efficient modern way of life, therefore, the present and future in the 21st century, there is no network, intelligent household system, like a house without Internet unfashionable.
6.The main products
6.1 Universal remote control You can use the remote control to control the lighting in the home, water heater, electric curtain, water dispensers, air conditioning equipment such as opening and closing; Through the display of the remote control can query in the sitting room and show or bedroom lighting appliances open closed; At the same time, the remote control can control the infrared electric appliance in the home such as TV, DVD, audio infrared electric equipment, etc.
6.2 Network remote control system in the office on a business trip outside, as long as there is
a network of place, you can through the Internet to log in to your home, in the network world through a fixed smart home control interface to control your home appliances, provide a free dynamic DNS. You are on a business trip in abroad, for example, using the nonlocal network computer, log in the IP address of the relevant, in far away you can control your own lighting, electrical appliances to choose a suitable text book.
6.3 timer You can set certain products automatically open shutoff time ahead of time, such as: electric water heater every night 20:30 points automatically open heating, power 30 points automatically shut down, to ensure you enjoy the hot water bath at the same time, also save electricity, comfortable and fashion.
6.4 scene setter As long as gently touch a button, lighting, electric ring automatically perform in your "mind", make every room in the beautiful music is also true of aesthetic feeling, make you feel and enjoy the fashion life of science and technology perfect and simple, efficient.
6.5 security alarm system When a case of, can automatically dial the telephone, and gang related appliances do alarm processing.
6.6 integrated wiring system Through a general management box will telephone lines, cable, broadband network attentive, audio line called the weak current, such as a variety of line unified planning in an orderly state, in a unified management inside the bedroom of telephone, fax, computer, TV, VCD, security monitoring equipment, and other network information home appliances, make the function more powerful, use more convenient, easier maintenance, are more likely to expand new USES. Realize the telephone extension, LAN construction, the sharing of the cable.
6.7 the fingerprint lock Embarrassing: you must have had for some reason forgot to bring the key to the door of the home, or to visit relatives in the home or guest, you just can't get back to immediately, and so on, if the time can in the unit or distant remotely by phone or the phone will open the door, how convenient it is. And, fingerprint lock can also in the unit or distant remotely by phone or phone home "query," refers to a digital fingerprint lock state of "open, close", let you feel more secure.
6.8 pet nanny dial the telephone of home, you can give your beloved pet feeding, can hear its voice, this is a how fun and fashion life! And high-tech level, easy to operate telephone remote
control, automatic timing control, remote control of pet feeding machine...
7. The current situation of the development of intelligent buildings
7.1 theoretical research development relative lag, intelligent building development without scientific theory to guide the intelligent architecture is a advanced technology of emerging discipline, although our country's construction investment and a striking number of growth, but theory far couldn't keep up with the actual development of intelligent buildings, the intelligent theory and related technology research also are mostly based on the research results of developed countries abroad. While in the late eighty s by the ministry of establishment of the civil construction electrical design specification, and has put forward the concept of building automation and office automation, but our country's "intelligent building design standard" (GB/T50314-2000) was enacted in 2000. Before that, a batch of according to designer understand the "intelligent building" in the absence of standard and advanced under the guidance of the scientific theory appeared a lot of problems.
7.2 intelligent building products market monopoly by foreign enterprises, domestic product is hard to stand up In the intelligent building market, our country has not yet developed a set of intelligent building system integration products, foreign system of intelligent building products such as Johnson controls, companies such as IBM, lucent technologies from the sensor, actuator, valves, transmitters, field control station, station, the network server and supply of complete sets of all software, both in product quality and after-sales service than our domestic supplier a class is higher than that of intelligent buildings. In intelligent building, for example, fire control system adopts the Cerberus, Edward, Japan to the United States and Japan agent, building automation products mainly by the United States honeywell, Johnson controls, andover, etc., in the field of domestic suppliers without a brand can compete with foreign enterprises.
7.3 intelligent building engineering technical personnel lack of management level is low At present, the intelligent building is an important problem facing some engaged in intelligent building design, construction, management, maintenance and technical personnel is not professional, but it has to do with theoretical research lag behind in our country, but the main reason is we are in the early development of the intelligent building, driven by interests, domestic at that time the emergence of the intelligent building engineering contracting construction units and individuals. Good and evil people mixed up the units and individuals, some never even professional level, unable to guarantee the construction quality, so that the malignant competition power. Because of the lack of technical personnel at all levels, low management level, combined with the maintenance cost is too high, part of the equipment aging, lack of necessary maintenance, make the design of some equipment operation to reach a predetermined target, causing the waste of resources and equipment.
7.4 overall development imbalance of intelligent building in our country Intelligent construction industry in China after nearly 20 years of development, such as economic development, also with different degree of regional social and economic development imbalance. Beijing is the political and cultural center of China, is a comprehensive industrial city, so in the "capital economy", the
concept of intelligent building industry by leaps and bounds. Shanghai is the financial city, economic development led to more foreign enterprises, followed by the foreign concept of intelligent building and the requirement of intelligent building and so on all contributed to the Shanghai and the surrounding cities of the development of intelligent building industry. As a coastal city of guangzhou, have long become a foreign trade port, the prosperity of foreign trade promoted the cultural exchange of guangzhou and overseas, the development of intelligent building level is high. Therefore, led by the three cities, the intelligent construction level in north China, east China, south China leading in the country. In north China, according to a survey of the intelligent building (33.7%), in east China (28.3%), south China accounted for 20.6%, and intelligent buildings are mainly distributed in the eastern coastal developed areas of the south, also rarely involved in the construction field of intelligence in the Midwest. This gap even if related to economic and social development, but the uneven development in promoting our country whole intelligent building is unfavorable.
8. development and outlook of smart home
8.1 smart home market
With the popularity of domestic broadband business, make families possess the basic condition to the deployment of intelligent systems, made a very good bedding for smart home industry. In recent years the rapid development of smart phones, makes the intelligent application acceptance also greatly improved. The whole intelligent household industry is increasingly mature, the market is growing. At the same time, the system design, installation, maintenance, personal development, system upgrade smart home service needs of the business is growing, gradually highlights its market value. According to relevant data show that from January to July, 2011, keyword searches about the smart home and turned over 5 times more than the same period in 2010, and during the same period rose 33.3% in July. In the search for intelligent lighting, intelligent home control system, intelligent home appliances and other key words gradually replaced the traditional intelligent household, such as intelligent security, building intercom keywords. From which we see in these two years intelligent household market is developing rapidly, user awareness is also increasing.
8.2 the development direction of smart home
As the market gradually opening and the development of The Times, the development direction of smart home gradually from partial technology to the user. Home energy management, user experience, open family information platform and personalized value-added services has gradually become the direction of manufacturers focus on investment.
8.2.1 simple wireless deployment
Intelligent household system, integrated wiring ever make smart home products have been suspended in the high-end of the market. Before decorating needs professional design and wiring is also a major factor restricting the development of smart home. To solve the problem of cable, and the large scale development of digital wireless technology in the world its characteristics such as convenience, flexibility, no blind spots. Maybe a few years later, integrated wiring will become
the memory of the past.
8.2.2 home energy management
As the global energy problem increasingly prominent, is the inevitable trend of the development of energy saving and emission reduction. The smart home system can realize real-time statistics the electricity consumption of home appliance, can guide of standby electrical power will be shut off according to the situation, so convenient we control home appliances and energy conservation and environmental protection. According to statistics, if everyone close standby electrical power supply in time, saves the electricity, all the family in the northeast of China can supply electricity. In an ordinary 3 rooms households, for example, if close standby electrical power supply in time, can save about 33% less for their electricity. Visible smart home system in home energy management can give no small contribution to the energy conservation and emissions reduction.
8.2.3 user experience
With the birth of the iPhone, people's experience of the mobile phone have a new understanding and experience. Users began gradually to the appearance of the product, use put forward higher requirements, make the user experience more and occupies the important position of smart home products. More efficient control mode and a simplified operating interface, more platform terminal control, a more natural human-computer interaction process put forward higher request to the smart home the manufacturer. A good intelligent household products must be a good user experience to support. According to different situation have many users will need to consider more details. Application software of the control process is as simple as possible, for example, the structure is as simple as possible, let the old person or child can be very convenient to operate. At the same time, in the interface design, button to clear as far as possible, as far as possible big, and according to the daily habits that accords with people to distinguish between colors such as red warning, gray on behalf of the cancellation, etc. Also, according to the different layout of different terminal equipment design. Touching mobile phone is usually one-handed operation, for example, consider when layout so one-handed operation convenience, and tablet interface is different. Language is the most fundamental and most direct way to communicate. So the development of smart home system will inevitably in the direction of the speech recognition technology and sensor technology development. Eventually reach can be more and more natural interaction between people and system, so as to truly achieve the "smart", make smart home into the family, into their lives.
9. Conclusion
With the improvement of people's living standard, people more and more high demand for smart home, and as China's real estate supporting industries, China's smart home after years of development, has become a set of control, computer, household appliances and other new technologies for the integration of emerging industries. But, as the market is not perfect, industry standards, market development is not very mature, now still in highlighting the "warring states period". Have a great market potential. Intelligence changes household is inevitable trend in the
development of human habitation office environment, the future development prospect. Intelligence changes household to greatly Narrows the interactions with the construction, building better service for people's life. Hope that smart home system will soon into everyone's families.
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智能家居照明控制系统设计
智能家居照明控制 系统设计 1
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智能家居项目方案
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Advantages of Managed Code Microsoft intermediate language shares with Java byte code the idea that it is a low-level language witha simple syntax , which can be very quickly translated intonative machine code. Having this well-defined universal syntax for code has significant advantages. Platform independence First, it means that the same file containing byte code instructions can be placed on any platform; atruntime the final stage of compilation can then be easily accomplished so that the code will run on thatparticular platform. In other words, by compiling to IL we obtain platform independence for .NET, inmuch the same way as compiling to Java byte code gives Java platform independence. Performance improvement IL is actually a bit more ambitious than Java bytecode. IL is always Just-In-Time compiled (known as JIT), whereas Java byte code was ofteninterpreted. One of the disadvantages of Java was that, on execution, the process of translating from Javabyte code to native executable resulted in a loss of performance. Instead of compiling the entire application in one go (which could lead to a slow start-up time), the JITcompiler simply compiles each portion of code as it is called (just-in-time). When code has been compiled.once, the resultant native executable is stored until the application exits, so that it does not need to berecompiled the next time that portion of code is run. Microsoft argues that this process is more efficientthan compiling the entire application code at the start, because of the likelihood that large portions of anyapplication code will not actually be executed in any given run. Using the JIT compiler, such code willnever be compiled.
机械类英文文献+翻译)
机械工业出版社2004年3月第1版 20.9 MACHINABILITY The machinability of a material usually defined in terms of four factors: 1、Surface finish and integrity of the machined part; 2、Tool life obtained; 3、Force and power requirements; 4、Chip control. Thus, good machinability good surface finish and integrity, long tool life, and low force And power requirements. As for chip control, long and thin (stringy) cured chips, if not broken up, can severely interfere with the cutting operation by becoming entangled in the cutting zone. Because of the complex nature of cutting operations, it is difficult to establish relationships that quantitatively define the machinability of a material. In manufacturing plants, tool life and surface roughness are generally considered to be the most important factors in machinability. Although not used much any more, approximate machinability ratings are available in the example below. 20.9.1 Machinability Of Steels Because steels are among the most important engineering materials (as noted in Chapter 5), their machinability has been studied extensively. The machinability of steels has been mainly improved by adding lead and sulfur to obtain so-called free-machining steels. Resulfurized and Rephosphorized steels. Sulfur in steels forms manganese sulfide inclusions (second-phase particles), which act as stress raisers in the primary shear zone. As a result, the chips produced break up easily and are small; this improves machinability. The size, shape, distribution, and concentration of these inclusions significantly influence machinability. Elements such as tellurium and selenium, which are both chemically similar to sulfur, act as inclusion modifiers in resulfurized steels. Phosphorus in steels has two major effects. It strengthens the ferrite, causing
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