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The term “digital home†is familiar to many young people, but how to make their future dwellings or luxury homes become fashionable, modern, and convenient smart homes, of which there are of course many things that need to be understood and mastered, and surely the vast majority of friends are We are very interested in high-definition video, wireless internet, etc. This is the initial stage of our dream of realizing the digital home. Many of my friends have already learned about these aspects. However, in the home appliance design, weak wiring is often ignored.
In fact, as a covert home improvement project, but also the connection nerve of our smart home, the design of weak electrical wiring is very important, especially the male students must pay attention to, this is the first step to achieve a digital home. If you think about it, if you want to add any new requirements after the renovation, you can only go down the line. Of course, you may use wireless technology to achieve this. However, there are many problems that cannot be solved by wireless connection. Some knowledge of weak wiring is definitely beneficial.
The weak electrical wiring system we described is the fourth essential home infrastructure after water, electricity and gas. This is a basic job for the construction of a digital home and it is very important. The object of weak current processing is information, that is, information transmission and control. Its characteristics are low voltage, low current, low power and high frequency. The main consideration is the effect of information transmission, such as the fidelity, speed, and breadth of information transmission. ,reliability. In general, weak electricity mainly includes telephone lines, network cables, cable television lines, audio cables, video cables, audio cables, and so on. Weak electricity is almost the same as strong electricity, and PVC pipe is also required. The cross section of the wire does not exceed 40% of the PVC pipe section. Re-emphasize that you must not wear too much, and strong and weak electricity must not be worn in the same pipe. And to try to separate, the distance between strong and weak electricity is at least 20 cm or more, otherwise there will be interference.
Weak electrical wiring to achieve the function
As the basis for the establishment of a digital home, the wiring is for the future more convenient for our applications, in general, mutual communication is a basic requirement, the specific aspects are as follows:
About several aspects of home wiring
1, TV:
This all understand. TV is a universal way of family entertainment and leisure. The elderly and children in the family have different preferences. They have their own fixed viewing channels and “exclusive columnsâ€. There are TVs in every room. There will be no remote control. Phenomenon.
2, telephone:
Maybe you would say that there is no cordless telephone? You can use it at that time, but in reality no one will put a beautiful cordless telephone in the kitchen and bathroom. What was previously full of shouting and flying to answer the phone will not happen again, and your freedom of conversation will be kept confidential. Each room can also talk to each other.
3, broadband network:
INTERNET, this time-honored vocabulary is also being integrated into our lives. Sitting at home through the Internet you can easily work online, online entertainment, online shopping, truly enjoy the convenience and ease of staying at home. Nowadays, many cities in China have already opened broadband IP metropolitan area networks, and the concept of “broadband information community†has gradually become the choice of the current family. We can provide not only broadband to home, but also "broadband to the table", "broadband to bed", to any place you need! Make your internet life better!
4, home theater:
There are many friends in the decoration ignore the line pre-applied, after the completion of the renovation only to find the two rear can not be resolved, the Lammin line is not good to see security, demolished re-do it, time and money does not say, there may be damaged decoration overall effect. Therefore, before the renovation, friends who like music do not forget the wiring system of this system.
5, video sharing with red teeth control.
Many of my friends think that watching a movie is like going to the living room and looking at it. Use it so much trouble. In the room, you have to go to the DVD to control it. Simple things become complicated. Now that you have advanced infrared learning remote control equipment, you don't need to get up and you can easily control the outside equipment in your own room.
6. Headphone access:
You can listen to your favorite program (music) at night and it will not affect others' rest. Why not?
7, background music:
After a tiring day at home, you will be free to relax your mood, listen to music, feel the peace and warmth of your home, and the pressure of work will fade. Background music design According to your needs, in any room including the kitchen, bathroom, study, balcony, you can put music points on it and send high-fidelity music to each room through one or more audio sources according to your own. The need to independently control the volume of each room.
How much do you need? Planning interface
We should consider the need for some time in the future when designing the wiring. For example, in addition to setting information points beside the computer desk and sofa, do you need to arrange information points in the kitchen to accommodate the occasional Internet access in the kitchen or the need for smart refrigerators in the future? Arranging information points behind the TV cabinet is also a very sensible approach. From the game consoles, set-top boxes to televisions, it will be very soon before we will see various home appliances equipped with RJ-45 Ethernet interfaces. Networking has begun to enter the actual stage.
In order to meet the needs of higher-level information services, current and development services such as telephone, data, multimedia and cable television are provided. Each household can introduce two types of five pairs of 4 pairs of cables, if necessary, can also set 2-core fiber; synchronous laying 1-2 75Ω coaxial cable and the corresponding outlet; each household should be set wall buried family information access box, Each bedroom, study, living room, dining room, etc. shall be provided with not less than one information outlet, or optical cable socket, and a cable television outlet, which may also be set according to user needs; the main bathroom shall also be set up for telephone information Sockets; each information outlet, optical cable socket or cable TV socket to a wall-embedded home information access box, each laying a Category 5 4-pair twisted pair cable, 2-core optical cable or a 75Ω coaxial cable; Wall-embedded family The cabinet of the information access box should be in place once to meet the long-term needs.
Cabling installation considerations
There are many places to pay attention to in home wiring. For example, the distance and direction of the network cable and the power supply line, and the positional relationship should refer to the relevant national standards. The cable should use PVC pipe and other pipe protection as much as possible, and use rounded double-passage at the corner to facilitate Swap and so on. It should also be pointed out that in the home network, wired and wireless are not a contradiction, and WLAN can still exist as an extension and supplement of Ethernet. When necessary, the AP can connect to any one of the information points to achieve space expansion of the wired network. An interesting fact is that the main reason why many people buy WLAN APs is to be able to access the Internet in the toilet. In contrast, users who have previously set up information points in toilets are obviously more foresighted.
Common wiring issues
Computer and TV interconnection
Nowadays, many families have begun to consider flat-panel TVs when they purchase TVs. This provides convenience for computer signals to be transferred to TVs. Turn the computer signal in the study room or the laptop signal in the bedroom to a flat-screen TV in the living room or bedroom. Use a Bluetooth keyboard and mouse to directly control how cool it is on the sofa or bed.
In laying the line are used VGA or DVI laying even HDMI.VGA line is generally divided into 3+4 and 3+6 two, the price is almost 5 yuan in the next one meter, a good point of 10 yuan a meter, in general Graphics card is DVI-I interface, and many flat-panel TVs have adopted the HDMI interface interface, the current HDMI-DVI wire specifications are many, online to buy the price is cheaper.
Many friends will put flat-screen TVs and HTPCs in the living room, and at the same time want to watch high-definition video on the flat-panel TVs in the bedroom. This is also to design pipelines, pre-embedded, preferably HDMI. This is the future trend. There are many graphics cards and flat-screen TVs that are currently supported.
Digital TV sharing
Digital TV, whether it is forced or forced, is coming. In this case, our digital TV sharing means that a set-top box enables several TV sets to watch digital TVs instead of watching different channels at the same time. Because digital TV has an authentication system (including username and password). It is also necessary to first determine the set-top box access location, and then determine the location of the share point, then each point to the set-top box access location pull two (note: here are two), an audio and video cable and a control line (control line available Network cable instead). It is best to use audio and video panels on the wall, of course, you can not use it. It's just a little harder to see, but because it's behind the TV, it doesn't have to care.
In the end, there is one more thing to do. Now there is a digital TV share device on the market. This is actually a very old technology. It is a module of the AV center. It was used to share satellite television. Buy one (200 or so) and put it on the TV. Of course, you should plug in the audio cable, video cable and control cable. In this way, it is not afraid that there is no digital TV in the room.
Wireless or wired networks
From the perspective of future IT trends, the cabling of the network part is completely an overkill, because the development of the wireless network is a byword, and the reason is very simple. A wireless router will allow you to access the Internet whenever you have a stool. And the internal exchange speed is much faster than the access speed, and the efficiency and convenience of wireless networking are much higher! But still talk about wired networking problems.
First determine the location of the outdoor access room (usually mostly in the living room, the developer has given you a good connection), set this point to "A" point, and then determine which room to use the network (hint: most of the best location For bedside, television, and study), the best total amount is no more than four. Of course, there is no big problem if it is over, and then each point will be pulled to a network cable to "A". At this point, most of the network was exhausted. The last is to buy a router on OK!
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