Traditional Culture Encyclopedia - Hotel reservation - Are all the circuits in the smart hotel in RCU boxes?
Are all the circuits in the smart hotel in RCU boxes?
General hotels have room control system (RCU), which can automatically monitor lights, sockets, air conditioners, doorbells, door magnets and so on. There are many specific control methods. , such as single chip microcomputer, relay, etc. Briefly talk about the circuit loop. As far as a room is concerned, first of all (positive and negative are not important, the negative electrode is directly input into the weak current board, and only the positive level is controlled), and the positive level is rolled into the switch through the network cable and returned to the weak current board, and there is a chip similar to 805 1 on the weak current board to judge the signal given by that switch. After the judgment (safety design), the optocoupler is generally driven first, then the solid-state relay is driven, and then the ordinary relay on the strong board is connected. This is just a cycle in a room, and multiple cycles are similar. If things can only do this, they are actually of little use. It is nothing more than writing a small program for the switch through a control similar to 805 1 chip. For example, press a switch to turn on all the lights, press twice to turn off several lights, and press the faucet three times to let out some water. It's basically not interesting. Because it is a signal input, this switch can be set anywhere and so on. As an intelligent control, the ultimate goal is to access the Internet and realize the so-called 5B control. This is not difficult, but the system is a bit big. There is an RJ45 cable interface on the weak current board, which is used to connect DDC, DDC to the gateway server, LAN or Internet. After entering the network, you can control and monitor any room through any computer.
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