The earthquake in Gansu and the heavy rain in Sichuan caused us to suffer great losses before the disaster, so how to prevent and reduce disasters before the disaster becomes even more important.
宾馆 餐厅 展示厅 写字楼等场所背景音乐天花喇叭安装方法（区别与消防喇叭安装） Note: This solution is the installation method of the background music ceiling speaker in the hotel, restaurant, restaurant, showroom, office building and other places (different from the fire horn installation)
1. We advocate to develop a plan based on the site, and only based on the drawings without observing the actual site. Generally speaking, the plan of the ceiling speaker selection and speaker sub-point layout is difficult to achieve the best results. For the installation distance between ceiling speakers, there is one in the industry for reference: the distance between each two speakers is twice the distance between the speakers and the ground. Generally, this installation method can meet the sound of the entire audience. It is also wasteful, but it is necessary to configure the speaker power and speaker sub-point arrangement according to different venue environments. It is necessary to consider the area where the personnel (listeners) are often located in the entire venue, whether the listeners are often moved, or are fixed. There are many factors such as standing more, sitting more, and the background noise of the entire venue. Hotels, rooms, halls, corridors, restaurants, offices, supermarkets, display halls and other venues and the speaker installation in each local area are different. If you want to do a good job, there is no standard for copying, such as a Like a good hair stylist, you need to design hairstyles according to each person's face, head shape, skin color, hair quality, and even personality and occupation. From this perspective, even the simplest ceiling speaker design is not pure. It is a technical issue. A good background music project is a combination of experience, technology, and art.
2. With regard to the selection of speakers and other equipment, many companies will provide you with three options: poor, mid-range, best, or rather: cheap, average, most expensive, or there are people Said: domestically produced, joint ventures, post-entry. Provide three grades of solutions for customers to choose. Many customers are also very satisfied with being able to get three grades of choice. This can be said to provide a very good service, but from our perspective, we think this is irresponsible behavior, this is just a commercial behavior, and it is irresponsible behavior. Let me give another example: still you go to the store to make hairstyles, such as perming, the hair stylist in the store will give you something like a point menu, but also three grades for you to choose: cheap, Normal, good, or 180 yuan, 280 yuan, 380 yuan, or ordinary potions, general potions, imported potions. There are three options for ironing your head, and for you you don't know at all what is the difference between burning a 180 yuan head and a 280 yuan head. If you ask him, of course he will tell you that the normal price is 180 yuan. Potion, and 280 yuan will use a good potion, good potion has a good effect, and the damage to the hair is small, then you will of course choose according to your own actual situation. But the stylist will never tell you this: the damage to the hair must be in the perm, the size of the damage and the effect of the hair style are not related to the 180, 280, 380 potions you choose, the most critical It's a hot ironer: Simply put, everyone's hair is different. According to different hair types, how much potion to apply, how long to wash off, how long to iron, and hair stylist's hand hair skills, etc. Determine the quality of your hot hair style, the phoneme of the damage to the hair! Have you ever experienced: spending 180 yuan can also burn a beautiful shape, or spend 380 yuan but the hair is scorched?
Of course, any product will have several grades with different prices, including good quality, poor quality, and even fake products. I say this is not to say that there is good technology. Even if you use poor quality speakers, you can play beautiful music. That is impossible. What I said is that we need to tailor our background music solution. Communication, we must understand the situation and function of the scene, so as to provide a set of the most reasonable filing according to these, instead of only providing three sets of different prices for customers to choose, customers do not know much about this technology, let alone other It is also unclear what the effect of the expensive speakers and ordinary speakers you said is. It often happens that the customer chooses a cheap solution, but after the entire project is installed, it sounds very poor, and even hears the current sound in the speaker, and the processing opinion is: the cheap things are like this, only Can achieve this effect. These are irresponsible behaviors.
Second, the installation process
It mainly refers to the wiring and installation process to match the decoration progress.
1. Wiring, speaker wiring is best done with electrician wiring, but the speaker wire is weak, and should not be too close to the electrician's strong electricity (AC220V). If you wear PVC pipe, the distance is 20 cm. Factors such as installation and interference should be used for this purpose, but the overall wiring should follow the strong or weak circuit wires arranged by the electrician as much as possible, without obvious clutter, and it is also convenient for future maintenance, because electrical wiring is generally left at the inspection port. The speaker line should be different from other lines. Don't know which one is the speaker line when you repair it later. The PVC pipe of the horn line can be fixed on the ceiling ribs. Another point that needs to be coordinated with the electrician is that the position of the horn point also needs to take into account the position of various lights, the position of the fire sprinkler, and the air conditioning outlet The air outlet and the shape of the ceiling ceiling. If your horn is installed in the same position as the light, or it is designed in the air outlet of the air conditioner, it is not good, and it also affects the appearance.
PVC管，我们要求PVC管不使用弯头，而是使用弹簧打弯，保证每一根管子里面的线从接线盒处都可以自由抽动，主要是保证以后维修和换线、穿线。 The speaker wires are worn through PVC pipes. We require that PVC pipes do not use elbows but are bent with springs to ensure that the wires inside each pipe can be freely twitched from the junction box. This is mainly to ensure future maintenance and replacement and threading. .
2. Attentions for speaker opening, use special hole opener, do not damage the ceiling, especially the ceiling of plaster ceiling.
The diameter of the opening is in accordance with the size of the open space specified by each horn. In actual construction, it can be slightly larger, so it is easier to install and remove, especially the plaster ceiling. If the horn is installed tightly, it is easy to destroy the plaster when it is removed. board.
3. For ceiling speaker installation, it is best to wait for the painter to finish the painting and install it carefully. Usually electricians also install various lamps at this time.
In short, these processes need to be coordinated with other types of work on the site, not just taking care of their own progress, but often communicating and learning with them.
Third, system debugging
It should be noted that the line must be checked before the system is turned on. Of course, this work should be checked once the line is laid out (closed to the ceiling).
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