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Working principle of visual intercom

Release time:

2021/10/14

Visual intercomIt is a modern well-off residential service measures, providing visitors and residents of two-way visual communication, to achieve the dual recognition of images and sounds, thereby increasing security and reliability, saving a lot of time, improve work efficiency. More importantly, once the door head, infrared alarm detector, smoke detector, gas alarm and other equipment installed in the home are connectedVisual intercomThe security indoor unit of the system will beVisual intercomThe system is upgraded to a security technology prevention network, which can communicate with the property management center of the community or the doorman of the community through wired or wireless means, so as to play the role of security protection such as anti-theft, disaster prevention and gas leakage prevention, and is the life guarantee for the owners.Visual intercom, for one or more residential buildings, commonly knownVisual intercomSystem and building video intercom system; when used for single-family, such as villas, it is usually called single-family visual doorbell or villa visual doorbell.

Working principle

Visual intercom, alias is building intercom or visual doorbell. It was introduced from developed countries in the 1990 s and developed rapidly in China. Since the end of the 1990 s, it has been mainly used in commercial housing, and its scale has developed rapidly, and it has generally entered the middle and high-rise residential buildings in urban communities. When in use, residents hear the bell, just like answering a videophone, accepting calls from visitors and talking through the host at the door downstairs. At the same time, the visual extension of the home can receive video images through the camera of the downstairs host. Residents confirm the identity of the visitor by observing the monitoring screen on the extension display screen, and then decide whether to press the unlock button of the indoor extension, and open the electronically controlled door lock connected to the host at the door to allow visitors to open the door.

Visual intercomIt is an audio-visual communication system between community residents and visitors, and a security line for illegal invasion of community residents. By setting up the system, residents can use intercom at homeVisual intercomThe extension can talk to the visitor through the intercom video intercom host at the entrance of the unit building, and the visitor can be identified by the image on the extension screen. After the visitor confirms, the resident owner uses the door lock control key on the extension to open the electric control door lock on the main engine at the entrance of the unit building to allow the visitor to enter; otherwise, all personnel and unfamiliar visitors who are not in the unit building are not allowed to enter.

The system can also be connected to emergency alarm buttons, infrared detectors, door magnetic window magnetic detectors, smoke detectors, combustible detectors and other alarm devices. And timely notify the management center of illegal intrusion, fire alarm, gas leakage, emergency help and other information to provide residents with a convenient and safe life, reduce the troubles of residents who do not want to be disturbed, and also reflect the grade of the community and the identity of residents.

Visual intercom purchase points

What is building intercom? What is the way of working?

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