【 Weak current College 】 Haier smart home integrated system introduction

Is IT smart home technology (especially computer technologies), network technology, control technology to the development of traditional home appliance industry penetration. The social background of level, in recent years the development of information, communication of the height of liberalization and the high level of traffic of the rapid increase and the human work environment security, comfort and efficiency requirements, resulting in domestic intelligence needs increased, in science and technology, the development of computer control technology and electronic information communication technology growth, also contributed to the birth of intelligent home.

Smart home is a multifunctional technology system, including Visual interphone, domestic security, household premises distribution system, lighting control, household appliances control, indoor environment condition monitoring and machine control, remote video monitoring, sound listening, family of audio and video systems, including telemedicine, distance education, etc. Home intelligent contains more, but the domestic present product bus system, power line carrier, wireless, etc., in network connections, are basically sprinkled with bus system network, telephone network or via Ethernet.

Domestic Smart Home Basic consists of the following direction of evolution:

(1) traditional video intercom, home anti-theft products manufacturers also have certain e-development, production, etc., in their original product adds control function and other functions, for home automation, these companies have a certain relationship, such as engineering, design institutes and networks, and to use the intercom products market to promote their products.

(2) traditional household electrical appliance enterprises, promising IT enterprise, these enterprises in this area its appliance control areas, the advantages of IT areas to develop smart home products, better and appliances together they use their own channels and market presence, the accumulation of years of management experience, experience and good after-sales service, reputation to open markets.

Smart Home mainly include the following:

(1) household wiring intelligent system: home of the first stage is the home wiring infrastructure construction, home wiring system of the telephone, cable TV, computer network, audio-visual systems, home automation and control system wiring uniform planning, layout, centralized management, to provide home intelligent network platforms, through home cabling can achieve automated control, and can be resource-sharing, the family just a DVD player, Hi-Fi, satellite television receivers can family every room to watch movies, enjoy the music, you can implement more than one computer connected to a network, sharing broadband service, multi-channel telephone indiscriminately, transfer. And cabling, making the family inside wiring system with good scalability and upgradeability to meet different user needs now and in the future.

(2) a home security system: people for the demands of the security system, home security system can be an effective use of technical means to achieve security. Home security system including security, anti gas leakage, fire and other functions, but may maintain remote monitoring, have household can remotely over a network or phone at any time to learn about the family situation, at the same time you can listen or watch and listen to or watch the family situation.

(3) home automation system: the body of the smart home is home automation, home automation of main body is electrical household appliances, lighting and other electrical equipment. Talk to a centralized automatic system or distributed control domestic lighting or electrical appliances, household over a network or phone remote control device within the family. Home automation system is future smart home's main development direction.

(4) family experience system: the lived experience of the increasingly high demands on the family system, the family environment, network, virtual environments, such as the increasingly high demand, the expenditures would become higher and higher, the future of intelligent home will also be more meet these consumption.

The current domestic various intelligent systems and products while many, but more is system independent, integrated low, the system is not connected, the family does not have a unified platform.

Haier Group in the field of Interventional smart home later, the emphasis in the smart home platform, focus on the family integration of intelligent systems.

3 Haier smart home integration system

3.1 community intelligence intelligent core family

The intelligence community, involving the community's periphery, community and household family of intelligence: the intelligent housing community surrounding and internal settings security system, and in the family settings video intercom, alarm control and measuring devices, emergency and alarm buttons, flammable gas detection alarm, home security system, set the third table (or tables) out of the household metering systems, household appliances control as well as TV, telephone and computer network services for household needs for high-speed communication possible. Home intelligent part and family lives, not only meet the domestic life of comfort, convenience, improve the household living environment, improve the household living standards, changes in household lifestyle, is the core of community intelligence.

Most of the subsystem within the family and the device is connected through a smart home network. Believe in the near future, or even daily appliances can increase its innate intelligence, send information on the network. Unified network structure and control platform, flexible access mode, high reliability and compatibility, low cost, comfortable, safe and efficient family environment is the goal of the smart home network.

3.2 smart home integration platform system

3.2.1 the smart home

Smart Home refers to the use of advanced computer technology, network, communication technology, integrated wiring technology, and household-related name seed systems, organically, through integrated management, make home lifeMore comfortable, safe and effective. Compared with ordinary home, smart home injustice has traditional living features, providing comfort and safety, high quality and pleasant talk living space; also from the original passive static structure into a dynamic, intelligent tools to help keep the family and external information sharing, optimizing the way people live, even for a variety of energy expenditure savings.

Smart home's basic objectives are: the family in a variety of information-related communications equipment, home appliances and home security device through family bus technology (HBS) to connect to a family of intelligent systems for centralized or offsite monitoring, control and management of the family, to keep the transactional family facilities and the residential environment of harmony and coordination.

3.2.2 smart home platform system key features

As the community at the heart of intelligent systems, intelligent home system through its core equipment ― home intelligent terminal for home intelligent functionality. Home smart terminal is to implement a family of intelligent features. Home intelligent Terminal is the heart of the intelligent House, through its realization of the system of information gathering, information, inputs, logical processing, information output, linkage control functions.

Family features an intelligent Terminal is as follows:

(1) the home security: security is a priority for smart home, home security became the primary components of the smart home. Home security alarm, door/window magnetic alarm, emergency alarm, gas leak alarm, fire alarm, etc. When the family is smart card client deployment status, infrared probe detection home someone walk, it will automatically alarm, buzzer and voice local alarm; at the same time, the alarm message registration wuyeguanlizhongxin, automatic dialing to the owner's mobile phone or telephone.

(2) intercom: integration and display technology, family intelligent Terminal on integrated intercom feature, no additional settings can be indoor ext Talkback function.

(3) remote meter reading: water, electricity, gas meter remote automatically copied billing is property management is an important part of its implementation solves the at-home reading of low efficiency, noise and unsafe.

(4) network appliance: smart home network appliance is an integrated system of important components and support section that represents a family of intelligent direction of development. Through unified home appliances networking interfaces, network appliances and home intelligent terminal connected to form a network appliance systems, household appliances, remote monitoring, remote fault diagnosis, and other functions.

(5) domestic SMS: wuyeguanlizhongxin and family intelligent Terminal networking, dissemination of information on households, household by household intelligent terminal interface choice for property management companies to provide services.

(6) property repair: Home intelligent terminal can apply to the property management Department of the reservation, specify maintenance, community service.

3.2.3 smart home platform system technical characteristics

Smart home network with integrated technology, communication technology, interoperability and wiring standards implementation and continuous improvement, it involves all of the family network's intelligence apparatus, equipment and systems operations, management, and integration technologies.

(1) through the residential gateway-the family intelligent Terminal and system software to build smart platform system at home.

Family net magnetic is a smart family LAN core part of the main complete family network I different communication protocols between the conversion and information sharing, as well as with external communication network and data exchange capabilities while gateway General is also responsible for family smart device management and control.

Used computer technology, micro-electronics technology, communication technology, intelligent Terminal (home gateways) family of intelligent integration of almost all the functionality to enable smart home built on a unified platform. First of all, the family network and the external network and smooth, accurate worlds; Secondly, to ensure that can identify a network location from the instructions is legitimate, not the "hackers" from illegally invaded. Therefore, the family is not only a smart terminal transport hub of family information, and information of the patron saint of the family.

(2) through the communication module implementation and network appliance's Internet

Network for the realization of household appliances, to each household appliances have communication module. For different physical transmission media, you need to have different communication module, the communication module is a traditional home appliance upgrades for network appliance interface. To ensure that all household appliances as well as between, as well as the appliance network and gateway to the correct communication between the need to develop a complete set of communications protocols.

(3) application of embedded systems
The vast majority of traditional household appliances by microcontroller, from traditional appliances after upgrading to network appliance, network technology and appliance control system for seamless connectivity with the network capabilities of embedded software and MCU control software program made the appropriate adjustments to organically combine into a complete embedded system.

3.2.4 Home Automation (HomeAutomatiom)

Home Automation refers to the use of micro-electronics technology, to integrate or control of their electronic products or systems (such as lighting, air-conditioning, heater, computer equipment, security systems, video and audio system, etc.). Family-based system primarily to a central microprocessor (CentralProcessorUnitCPU) receive from related electronic products information, and then to the established procedure to send appropriate information to the other electronic products. Central microprocessor through many interface to control household electric appliances product, these interfaces can be keyboard or touch screen, buttons, computer, telephone, remote control, etc; consumers can send signals to the central microprocessor, or receive a signal from the central microprocessor.

As the network technology of PuAgain, the network appliance becoming mature, home automation and many of the features are integrated into these new products. Visible, home automation is smart home study course.

Combined with the current information technology development and human settlement trust environment, you can see into the future of intelligent home will be the following functions: send and receive and save information; manage personal or family situation of the economy; managing the communication needs of the family; manage power and equipment; providing safe and reliable environment; no need to maintain operational; simple operation; adjust spacing according to personal or family life style customization.

3.3 network appliance system

Network appliance is an ordinary home appliances using digital technology, network technology and intelligent control technology to design new types of household appliances. Network home can be interconnected to form a family in the internal network, the network can be connected to external Internet, forming a network appliance system.

Visible, network appliance technology includes two levels: first of all is the website of issues between the household appliance, also is to enable different appliances can recognize, between work together. The second level is the home network and the home network, external, network traffic, making the family of household appliance network truly become home network, extension of the external network.

Haier Group under Community intelligence and household appliances, combined with intelligent technology and home appliances networking technology, developed include gateway family (family intelligent Terminal), network, empty, network water heater, dishwasher, washing machine, network, network, network refrigerator, microwave ovens, etc., network-wide series of network appliances, and advanced technology.

3.3.1 network appliance system features

Haier network appliances have to clear the main features:

(1) remote control: remote computer phone, mobile phone, can the family water heaters, air conditioners, and other electrical appliances. As for air conditioning, water heater remote switch, temperature adjustment.

(2) remote queries to: adoption of the remote computer, you can query the home appliances work status, such as air conditioning, water heater, is closed.

(3) can be achieved on household centralized control and management: can science distribution power, energy supply, implementation time, logical provisioning high-power electrical coordination.

(4) can implement fault information automatically thesis, feedback: household appliances failure information and the use of incorrect information can automatically thesis, and feedback to the Center's computer system, enables manufacturers to immediately provide remote or on-site service.

(5) life mode control: even in the home network appliances, according to the owner's life patterns and habits through self-learning, automatic start and stop, automatic change operation status, greatly simplifying operations, to facilitate people's daily lives, improve the quality of life.

3.3.2 Haier network appliance system technical characteristics

Haier network home appliances, home network technologies, and appliance control technology, community-based intelligent technology, combined with each other. It needs from the users point of view, using international mature Foundation technology, completed the above technology interdisciplinary integration.

To enable remote control home appliances and appliances for Interop, you must resolve family networking and network access problems. And enterprise network, home network now also faces a number of technical issues, such as a user of networking requirements must be affordable, easy to install, configure, and use that does not require a lot of technical maintenance of knowledge, at the same time, the home networking must also consider the physical transmission media issues, make new houses and old houses are easy networking.

From the perspective of networked communication, the family network includes the physical layer and data link layer, network layer, transport layer, session layer, presentation layer, application layer seven-layer structure: physical layer is a raw bit stream from a network home appliances shipped to another network appliance; data-link layer is mainly discussed in the data link road frame stream transmission problems; network layer deals mainly with grouping in the transmission network; transmission layer's mission is to provide reliable, economic data from the source to the destination of the transfer; the main control of the session layer of the session between users; the presentation layer is mainly processing applications to Exchange data between the entities of the syntax, the aim is to solve the formatting and data representation of the difference; the application layer with process provides access OSI environment.

The current network of physical transmission media have twisted-pair cable, the cable carrier and wireless (RF), etc. In response to different physical transmission media, international God form the corresponding electrical appliance Internet technology specification or agreement, including a representative are: LonWorks, CEBus, HomePNA, HomeRF, etc. LonWorks complete seven protocols that support the three physical transmission media for various automated monitoring systems, network topology can be a bus or other topologies. Agreements are included in the neuron chip. CEBus (EIA600) is a development of standards in support of power line carrier, twisted pair, radio (RF) and cable communication, host controller completed high level application and network management capabilities, and data link layer core controller and PHY transceiver connected. HomePNA (Home Phoneline Networking Alliance) intended to pick a single common rong telephone network Alliance standards quickly provide the market with a series of home network solution. Its physical layer mining frequency division multiplexing (FDM), users with HomePNA specification products, you can use existing phone line to connect computers and other shared household equipment, Internet access, sharing data and applications, and share my set, at the same time can also be used for normal telephone call.