The initial stage of the building intercom system adopts non-visual building intercom, which is divided into two types from the use function: direct press type (that is, the door number is on the key) and coding type. The direct binding mode is divided into two kinds: multi-wire system and bus system. The encoding system is mostly bus system. Direct multi-wire building intercom: generally use 4+n wire system (n is the number of households), that is, each household enters the household for 5 core wire, and the main trunk line for each household a core dedicated number line +4 core bus, the early 12 households generally use AVvR16*0.15 as the main line, the main function of each core main line :1\ host to the extension,2\ extension to the host (including positive power supply voltage).3\ unlocking special wire.4\ ground wire. With the emergence of two-way communication integrated c...

We are not unfamiliar with the building intercom system from the current cognition, especially in the application of the community has become more and more extensive, on the basis of the original audio technology plus the latest video function technology, if for the visual building intercom system host, it will add a real-time camera, It can be said that the building intercom system has brought a lot of convenience to our lives, the building intercom system has more than a video receiver in the household terminal than the ordinary intercom system, and the user can see the real-time picture at home, which is very convenient and fast. However, there are still two major problems in the application process of building intercom system. Problem 1: First of all, for the user experience of building intercom system products, many manufacturers have ignored this point, so more energy into the...

Building intercom system maintenance tips 1, the door close should not be opened for a long time, the opening time is too long, easy to cause the door close oil leakage, making it unable to work normally. When opening the door, wait for the personnel in the building to send an open signal, that is, to hear the "click" and then open the door, do not force the door before. Building intercom system maintenance tips 2, when opening the door with a key, do not pull the door handle in one hand, turn the key in the other hand, because the electronic system will send an electrical signal in the process of opening the door, transmitted to the mechanical part, because the mechanical part of the lock tongue is very small, if the pull the handle, it can not be opened, so that the lock tongue can not be retracted, the door can not be opened. Once the door can not be opened, do not smash, kick, to...

On November 5, 2015, our company successfully completed the overall building intercom project of Tianyu Yuyuan.

On May 22, 2012, our company leaders and business backbone went to Xi 'an, Shaanxi Province to participate in the three-day security exhibition sponsored by Shaanxi Provincial Public Security Department. Our company made full preparations for the exhibition, and exhibited our self-developed products at Qujiang International Convention and Exhibition Center from May 23 to May 25. Including black and white and color intercom system, intelligent community networking system, non-visual intercom system and villa intercom system, aroused the extensive attention of visitors and exhibitors in the same industry, our company staff patiently and enthusiastically introduced the performance of each product, so that visitors have a deeper understanding of the product, and gave praise. In particular, the on-demand power supply model proposed and developed by our company since 2010, ...