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Building Intercom System Wiring Principles Maintenance Solution Quotation | Video Intercom Talkback Doorbell Equipment Tea Supply

June 13, 2022

The building intercom system has gone from non-visual intercom to black-and-white video intercom, black-and-white video intercom to security video intercom, to color video intercom, color video intercom development to network buildings can be As an intercom (home smart terminal), the building intercom system has evolved from an independent system to a networked system, from networking through various bus systems to semi-digital networking, and further to the use of mature TCP/IP network technology networking, from a single function Type-to-intelligence integrated control type, which is developing very quickly.

Digitizing

The Chinese building intercom market is experiencing a transformation from analog to digital and from the bus system to TCP/IP networking. Before 2007, the implementation of TCP/IP building intercom products remained at the conceptual stage. By 2008, the TCP/IP intercom technology was becoming more and more mature, becoming a real product and starting to be put on the market. Many people in the industry generally believe that compared with 2007, digitization, IP networking, and integration of intercom products were clearly in a state of pervasiveness in 2008. Digitalization and TCP/IP technologies have been widely accepted in the consumer market. Semi-digital intercom products and all-digital intercom products have entered the stage of substantial application.

Through the 2008 Beijing Security Exhibition, it was found that full TCP/IP technology and semi-digital intercom products have become quite common. Many manufacturers' analog and digital combined semi-digital products attract people's attention, and some manufacturers' all-digital intercom products have become the highlights of the 2008 Beijing Security Exhibition Intercom series. It can be seen that digital intercom products have become a Talk about the important indicators of manufacturers' technological development.

For example, the Matsumoto Intelligent Digital Home 880 series is a digital building intercom system for all-IP network transmission. From the indoor extension to the door station, and then to the management center (PC), TCP/IP digital transmission is adopted. Since the network architecture is based on the IP network, Has the fastest network communication speed and a full range of home calls, in addition to a very powerful system expansion.

At this stage, although the traditional analog intercom system still occupies a large market share, its shortcomings are becoming increasingly prominent. For example, in the wiring structure, the analog system divides the signal transmission network into a trunk bus (networking) and a branch bus (unit). Equipment from the management machine, the cell door machine, the unit door machine, the second confirmation of the door machine, the indoor extension form a hierarchical bus structure from top to bottom. The management machine-to-cell doorway unit and the unit door-to-door machine are the community-networked backbone buses, and the unit door-to-door user confirms the door machine twice and the indoor extension is the secondary branch bus. Regardless of whether it is a trunk bus or a branch bus, signal lines such as voice, video, and control need separate dedicated cables, so the types and number of cables will be large, which will cause system cost and engineering problems.

Now, the semi-digital way of networking has become more common, that is, TCP/IP networking to the unit door-to-door machine, the unit door-to-door machine and the door-to-door machine and the indoor machine are still using the traditional bus. It is understood that the reason is that TCP/IP networking has obvious advantages in terms of cabling, networking, signal transmission, system scalability, function scalability, system maintainability, network anti-interference, multi-channel communication capabilities, and so on. Advantage.

Compared with all-digital TCP/IP intercom system, the cabling is much less and much simpler. All kinds of signals (audio, video and control) are fully digitalized and transmitted together using only one network cable, which simplifies the wiring and enables the installation and debugging of system equipment. Maintenance is simple. TCP/IP networking can not only realize the transmission of signals such as sound, image, and control, but also realize the complete networking of buildings and residential intercom equipment. Because the system technology is based on digitization and networking, the system can use an ARM platform with an integrated audio and video codec module. Its powerful data processing capability and a bandwidth of hundreds of megabytes allow the original multiple types of signals to become a single digital signal, enabling signal transmission. It becomes “simple”, the signal quality is greatly improved, the anti-jamming ability is greatly improved, and seamless integration with the community perimeter alarm, access control, card, community service and other systems can be realized.

Compared with the traditional bus-based analog intercom, IP digital intercom has been highlighted as having the following characteristics: the transmission distance is not geographically limited, and the expansion and upgrade are extremely convenient; the transmitted audio and video, control and other signal effects are much better than the traditional bus. It can realize the integration of multiple functions such as home alarm, home appliance control, remote monitoring, and community service; it is easy to install and debug, shortens the project cycle, and saves project expenses.


Integrated

Video intercom

The intercom system generally includes: a central management machine, a wall machine, a unit door opening machine, a secondary confirmation door machine, an indoor extension, etc., and a private network networking.

The basic functions of the video intercom include two-way calling, video calling, door-to-door surveillance, and remote unlocking. As the development efforts increase and the user needs additional functions, the present intercom system also generates image capture storage functions. Picture message function, call recording and recording function, household access function, ladder control function, etc. And can integrate with the access control system to achieve transparent transmission of the access control system through the IP network. The following describes the functional performance of the main equipment of the intercom system.

Indoor extension: The basic functions are intercom (video intercom), (emergency) call, remote unlock. According to the function, it can be divided into two categories of intercom and video intercom products, and it can also be derived from the household message function, household pass function, ladder control function and so on.

Door machine: In addition to calling the tenants, password unlocking and other basic functions, but also need to have the function of the call management center, infrared fill light, night keyboard backlight, etc. is also necessary for the door machine. In addition, the door machine can be integrated with the access control card reader so that the intercom system can work in conjunction with the access control system. Residents can use the ID/IC card to open the door through the door machine control. Now the new door machine will also have the following additional features: image capture storage function, picture message function, advertising player function. There are even some door machine cameras that can be adjusted by the indoor unit remotely up, down, right, left, and right to ensure that the viewing area is large enough to be suitable for viewing high- and low-height visitors. It can be seen that the performance of the door machine is becoming increasingly sophisticated and user-friendly.

Center management machine: generally has the basic functions of calling, intercom, and alarm receiving, and is the basic equipment of the community intercom system. If the center manager is connected to a computer or directly uses a computer as a management center, the functions of the building intercom system can be greatly expanded. Now many manufacturers have spared no effort in the management of the software, make the management machine has integrated three table copying, information release, information query, alarm record query and other functions.

Home alarm

A prominent feature of today's intercom products is the integrated anti-theft alarm function. It is understood that the vast majority of smart home products introduced by manufacturers of domestic intercom equipment include the content of home security, such as the integration of functions such as anti-theft alarm, emergency alarm, and smoke/gas alarm in the home.

At present, most manufacturers' products are equipped with 8 defense zones, and some manufacturers can achieve 16 defense zones. Each defense zone can connect with infrared detectors, magnetic switches for doors and windows, gas/smoke detectors, and emergency buttons. Each zone can be used by users. Customizable can be set to disarm and defense zones, stay in defense zones, exit defense zones, or 24-hour defense zones. There are various alarm modes. In addition to local sound and light alarms, they can send alarm signals to the management center at the same time. The management function can display and record the alarm information of households in the form of electronic maps and electronic forms.

Currently, IP intercom indoor units are already available for remote monitoring, and linkage between alarm detectors and video can be realized. In addition to remote transmission of alarm information and images, SMS alerts can be sent to residents' mobile phones or dialing household telephones.

Appliance Control

Home appliance home control is an important way to achieve smart home. Therefore, as with the home alarm function, home appliance control is also a function that must be configured for the present talk product.

Achieving home appliance controls includes controls such as televisions, air conditioners, microwave ovens, and home control such as lighting, temperature, curtains, and more. In addition, intelligent home appliance control enables the control of infrared devices (such as televisions, air conditioners, etc.) and switching devices (such as lighting, curtains, valves, etc.) through extensions, mobile phones, and computers. Ability to set the linkage function of the device over time, so as to simulate someone at home or other time switch operation.

In addition, some intercom users can remotely control the turning on and off of home appliances through the Internet, mobile phones, and fixed telephone networks, thereby greatly improving people's quality of life.

Information Release

Information publishing technology is a hotspot technology for building intercom systems in recent years. By using this technology, the video intercom system now integrates community information publishing functions. For example, Shenzhen Matsumoto Intelligent Co., Ltd. took the lead in introducing a practical intercom system that can realize community public information, household information, mobile phone short message release, and photo message, and expanded the functionality of traditional intercom systems.

Many manufacturers stated that information dissemination technology has very practical significance for the management of residential properties. It provides a good platform for timely communication between residents and managers.

Additional features

With the gradual development of the intercom system to digitization and IP, the system functions have also been greatly expanded. The indoor units introduced by many manufacturers have integrated functions such as video playback, music, electronic photo frames, electronic books, and alarm clocks. For ease of use, many intercom products can also provide ringback tone prompts, key tone prompts, call tips, voice prompts, information reception, message extraction and other functions.

The features that were unheard of in the past are not news today. At present, some manufacturers have integrated value-added application functions, including property advertisements, e-newspapers, weather forecasts, and online shopping, which have brought great convenience to the daily life of the residents of the community.

Powerful management center

The management center is an important part of the intercom system. In recent years, with the development of digitization and TCP/IP network technologies, the increasingly intelligent trend of intercom systems is also reflected in the management functions of management centers. The management function can realize the functions of configuring public information and residential household information database; the functions of household alarm information display and recording function management modes; the function of household call record inquiry; the function of unit unlock record management and inquiry; the function of hierarchical authorization and secrecy; online software upgrade and other functions.

Now, in addition to further improving the stability of the intercom system, some manufacturers are also focusing on the development of multi-system integration functions to achieve community security alarms, community access control (cards), community services, information release, three-table remote copying, monitoring and patrolling. Systems are seamlessly integrated.

Building Intercom System Wiring Principles Maintenance Solution Quotation | Intercom Talkback Doorphone Equipment Tea Supply Conclusion

The building intercom system will be the basic configuration of the intelligent building community. In the newly-built commercial housing design, some cities have been imposed. At the same time, as the market continues to expand, there are many manufacturers of building intercom products, and the capabilities of manufacturers involved in the industry are uneven, so the market competition will be very fierce. To survive, we must develop. Therefore, the continuous improvement of technology and the continuous introduction of new technologies will make product features more diversified, further reduce costs, and will continue to expand the market.

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