Principle and design of intelligent building video intercom system

In recent years, the building video intercom system has become an integral part of residential construction as part of building intelligence, and has played an active role in the security of residential communities and has been recognized by users. However, due to the lack of detailed information and technical support from the manufacturers, some of the system operations failed to achieve the expected results, and even could not be used normally, which had a negative impact on the engineering and developers. In order to make the building video intercom system really play its role, this article will focus on the application of the building video intercom system, I hope to help you.

The video intercom system is a modern and well-off residential service measure that provides two-way visual communication between visitors and residents, achieving dual recognition of images and voices, thereby increasing safety and reliability, while saving a lot of time and improving work efficiency. More importantly, once the door magnet, the infrared alarm detector, the smoke detector, the gas alarm, etc. installed in the home are connected to the security type indoor unit of the video intercom system, the video intercom system Upgrade to a security technology prevention network, it can communicate with residential property management center or community security guards wired or wirelessly, thus providing security protection against theft, disaster prevention, gas leakage, etc., providing maximum security for the owner's life and property. Protection. At the same time, it can also improve the overall management and service level of the house and create a safe community living environment, so it has gradually become an indispensable supporting equipment for the well-off residence.

The building video intercom system generally includes a visual intercom type and a networked alarm intelligent type, which can meet the different needs of different occasions such as single households, villas, ordinary houses, high-rise buildings and social residential quarters.

Program design and description

In order to ensure the engineering installation specification, concise, convenient and simple to expand, the building visual intercom system mostly adopts an open bus structure; the full elastic codec mode, the user extension terminal isolation, ensures the system can run stably and reliably for a long time; the user extension wiring The simple installation method of separating the board and the body facilitates the engineering installation and avoids damage or loss of appearance during installation.

Single ordinary intercom system

The system is suitable for high-rise, multi-storey buildings that require only intercom and electronically controlled unlocking and do not require networking. It consists of a door host, a user extension, an uninterruptible power supply, and an electronic lock. Adopting the bus structure, the main line is a three-core line, and the two-core non-polar line connection is transferred to the user through the interlayer distributor. The bus-to-user extension uses a layer-and-question distributor to isolate and protect the bus, so that any extension fault or short-circuit of the extension line does not affect the normal operation of the system, greatly improving the reliability and stability of the system. The user extension must be coded, the extension is universally interchangeable and convenient for after-sales service. The system also has direct call type and digital type to choose from.

Networked alarm intelligent system

The networked alarm intelligent system consists of a management center, a cell entrance host, a ladder host, a user extension, an inter-layer distributor, and a user extension with various types of alarms. The system adopts a bus structure, the main line is a four-core line, and a video line is added. The ladder host is connected to the user's extension through a layer-to-layer distributor and a video line is added to the four-core line.

The building networking system can be configured with multiple cell entrance hosts, and the four-core cable (additional video cable of the visual system) is connected to each ladder converter by a bus-type ring structure.

The system has various functions such as visual intercom, image monitoring, emergency alarm, automatic alarm, security patrol punching, IC card access control, etc. according to the configuration, and can comprehensively manage the community through the computer. Each building is equipped with a ladder host (multiple sub-ladders can be expanded when there are multiple entrances and exits). The ladder host is equipped with four large LED displays, which usually display the ladder building number and unit number. When the imitation customer calls the household, the household number is displayed. Every time you have a record of the household's access management center.

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Ningbo Homey Photoelectric Technology. Co., Ltd , https://www.linkuphome.com