Hello everyone, I'm Brother Xue, it seems that I haven't sent the design plan of the building video intercom system for a long time, and the current building video intercom system is basically face recognition, so today's plan can be referred to.
1.1. Face recognition building apartment video intercom system
1.1.1. System Overview
With the development of the national economy and the increasing improvement of people's living standards, some communities have used modern communication technology and automatic control technology to provide efficient and convenient management and service means for the service and managers of the community, and provide a safe and comfortable living environment for families. In order to adapt to the situation of accelerating the development of residential construction and enhance the scientific and technological content of residential construction in the community, FARFISA has introduced advanced building intercom technology from Europe through extensive and in-depth investigation, according to the current situation and development trend of domestic intelligent housing, and launched a fully digital residential community intelligent management system suitable for the national conditions of the mainland. The system not only considers the current construction and long-term development of the intelligent community, but also follows the principles of applicability, economy, reliability, advancement, compatibility, scalability, maintenance and maintenance guarantee.
TCP/IP all-digital intelligent video intercom system comprehensively solves the transmission problem of voice, video and data on the Internet, so that the intelligent community system is integrated with the Internet in a real sense, and realizes the integration of data, voice and video. On the basis of digitalization, Beijing Zhongzhi Yihua Technology Co., Ltd. has developed a digital video intercom system with face recognition system that combines computer vision, biometric technology, computer system, software technology, network technology, communication technology, control and security technology.
This scheme focuses on the application of "digital video intercom system of face recognition system" in this community to describe in detail.
1.1.2. System Composition
The central management consists of management PCs, central management software, central management machines, switch equipment, transmission networks, unit equipment, wall machine equipment, and face capture recognition storage devices.
Building face capture equipment
Residents enter the face of the resident population in advance, and do not need to swipe the card, and directly carry out face recognition. It is safer, more convenient and more reliable than the traditional digital video intercom.
switchboard
Realize bus expansion and multi-channel switching function. The first-level bus of the switch can realize 24 channels of video photography and 16 channels of audio simultaneous call; It provides 8 bus channels to make the overall flat layout simpler; POE switches are installed in the community, eliminating the need to distribute power cables to the home.
VTO
The VTO is generally installed at the entrance and exit of personnel, used to control the entry and exit of personnel, and the user can open the door through identity recognition on the VTO, or can realize the intercom by calling the VTO, and complete the door opening through the VTO.
There are buttons and cameras on the door machine, you can call the indoor station according to the room number, or you can press the corresponding button to call the center management machine; During the call, the camera can transmit the captured picture to the indoor unit in real time, and the indoor unit can also access the camera of the indoor unit at any time; After the VTO calls the VTH for more than 1 minute, the user will be prompted to leave a voice message.
The door machine is divided into unit door machine and villa door machine according to different application scenarios, in which the unit door machine can correspond to a plurality of indoor units, and the indoor unit can be dialed by the room number; The number of indoor units corresponding to the villa door machine is small, and each button on the panel corresponds to a room number and thus corresponds to an indoor unit, and you can directly press the corresponding button to initiate a call with one key. The door machine is divided into unit door machine and wall machine according to the different installation locations (the actual hardware model is the same), of which the unit door machine is generally installed at the unit door; The fence machine is generally installed at the gate of the park.
The VTO is connected to the LAN through the RJ45 network cable, so as to realize the communication with the platform. When it is linked with other systems, the VTO must be connected with other equipment, such as: when it is linked with the access control system, the VTO directly controls the magnetic lock; When it is linked with the elevator control system, the door unit is directly connected to the elevator control host.
2) Indoor unit
The indoor unit is installed in each independent room number, the indoor unit can answer the call of the door machine (or wall machine) to achieve two-way visual intercom and door opening, and the center management machine to achieve two-way visual intercom between the call and the called, support household video call, the indoor station can read the door machine (or wall machine) camera and support remote unlocking, capture, video, support one-key call, support one-key arrangement, support one-key alarm, support the real-time picture of the public camera within the scope of authority, support to receive system announcements, Support playback voice messages and other functions.
Indoor units are divided into two categories: semi-digital and all-digital. Several models of semi-digital indoor station do not have cameras, so they can only see the picture of the indoor unit, and the indoor unit cannot view the picture of the indoor unit; The all-digital indoor unit has a camera, and the camera supports a switch, which can control whether to view the picture with the door station. The semi-digital indoor unit is connected with the decoding distributor through the RJ45 network cable; The all-digital indoor station is connected to the digital decoder through the RJ45 network cable.
3) Center management machine
The central management machine is mainly deployed in the management center, security room, duty room, etc. There is a built-in camera on the central management machine, which supports video intercom with the door station, indoor station and other management machines; There is a keyboard on the central management machine, which can call the VTH and can also answer the call of the VTO; When the central management machine is called by the door machine or the door machine camera is accessed, it supports remote unlocking; Support access to the real-time footage of public cameras within the scope of permission; Support receiving the alarm of the indoor unit.
A small server is embedded in the central management machine, which is used for data exchange between the indoor units across the door station, and records the call event reporting platform. The maximum number of indoor units that the server can support is 1400, and when the number of indoor units exceeds 1400 and is less than 10000, a dedicated SIP server can be selected.
4) Integrated security management platform
Integrated security management platform (hereinafter referred to as the platform) is a set of "integrated", "intelligent" platform, through access to video surveillance, card, parking lot, alarm detection and other systems of equipment, access to edge node data, to achieve security information integration and linkage. With the electronic map as the carrier, the capabilities of various systems are integrated to achieve rich intelligent applications. The platform is designed based on the advanced concept of "unified software technology architecture" and adopts business componentization technology to meet the flexible expansion of the platform in business. The platform is suitable for the general integrated security business of the whole industry, and integrates and centralizes the management of various system resources to achieve unified deployment, unified configuration, unified management and unified scheduling.
1.1.3. System Functions
Face recognition access control function
The system adopts the international advanced face comparison algorithm, and the comparison results are accurate. With the unique portrait search, tracking, positioning, and capture technology, the face capture rate is more than 98%, and the angle can reach 35 degrees offset without affecting the capture effect. For photos with multiple portraits, the system will automatically detect the portraits and split multiple independent photos, with high recognition accuracy and high recognition accuracy, with a recognition accuracy rate of 99%. With the unique 3D image modeling technology, the size of the feature value after preprocessing each face image is only about 2K, and the recognition speed can reach more than 100,000 images per second.
A variety of different ways to open the door to solve the needs of different situations: fingerprint recognition, shake, face recognition, IC card, password, QR code, etc.
Image storage function
After the door machine opens the door, it automatically captures the picture and stores it to the management platform, which is convenient to view the entry and exit records of personnel.
Home security features
The indoor extension comes with eight anti-zone alarm interfaces, which can be connected to infrared curtain detectors, emergency buttons, gas alarms and other alarm detection equipment. By connecting to the cloud, remote arming and disarming.
Intercom lock control function
1) Video intercom between the area entrance machine/ladder machine and the indoor unit
Visitors can call residents at the entrance of the community/unit ladder, and the indoor machine will ring the bell to prompt a visitor to call and display the visitor's image at the same time; At this time, residents can have a two-way conversation with the visitor by pressing the "call" button; During the call, residents can open the electric lock at the area/ladder by pressing the "unlock" button
2) Intercom between the door unit and the indoor unit
When the visitor arrives at the door of the resident, the call can be made through the door machine, and the indoor machine will ring the bell to prompt the visitor to call and display the visitor's image at the same time; At this time, the resident can reconfirm the visitor's identity by pressing the "call" button to make a two-way visual call with the visitor.
3) Indoor unit and central management machine intercom
Residents can press the "call" button on the indoor unit when the system is idle, and call the center management machine, and the residents can have two-way intercom with the management center after the call.
When the center management machine calls the VTH, the indoor machine will ring the bell, and the resident can have a two-way call with the management center personnel by pressing the "call button" on the VTH, and at the end of the call, the call can be ended by pressing the "hang-up" button.
4) Video intercom between the district entrance machine/ladder machine and the center management machine
Visitors can call the center management machine for intercom at the entrance of the community and the ladder entrance of the unit, and the center management machine can display the image information of the visitor and open the door lock of the district entrance/ladder entrance.
Emergency SOS function
Each household can be connected to an emergency distress button through the branch, and residents can send an emergency call for help to the management center in case of emergency.
Dedicated building management system
In large residential areas and high-end residences, the requirements for safety precautions are more stringent. In order to manage the community more conveniently and quickly, improve the timeliness and effectiveness of community security management, and enhance the sense of security of community residents, you can set up a building management machine in the building unit, and the residents and visitors in the unit will call and alarm and other information by the building management machine first. On the building management machine, the property manager can monitor the video of each staircase and monitoring probe in the building in real time to ensure the safety of community residents and the environment.
Community all-in-one card function
The system's unique intelligent access control "all-in-one card" function can provide owners with a more comfortable, safe and convenient living environment. Owners only need to hold a smart card to unimpeded applications within the community, such as: community unit access control management, security patrol management, elevator authority management, visitor management, vehicle access management and other functions. When an emergency or an important alarm occurs, the "all-in-one card" system will respond according to the response strategy formulated in advance. For example, when a community fire alarm occurs, the system automatically opens the access control of all units and prohibits the operation of the elevator system.
Multi-center group management
When your project is a long-distance, large-capacity and large-scale community, the amount of data in the system may be too large if the traditional management method is adopted, which may cause information blockage. According to your needs, the system can use multi-center group management, and use multi-center sharding to achieve complete transmission of information, and the system can support up to 15 management centers. When the system fails, the management personnel can find the problem in the shortest possible time and replace the equipment without affecting the normal use of the whole system, and the maintenance of the system does not require too much professional knowledge.
1.1.4. System architecture
(1) Property management center
The property management center is generally in the property management office, or the central computer room. It is necessary to pay attention to the temperature and humidity, ventilation and heat dissipation of the environment, and the servers of the integrated security management platform are generally deployed in the cabinet. It is necessary to arrange an administrator to be responsible for operating the integrated security management platform (including personnel information collection, authority management, equipment management, function settings, etc.), and an operator to be responsible for the operation center management machine (including answering calls from the VTO or VTO, issuing announcement information to the VTO or VTO, responding to the VTH alarm, etc.).
(2) Entrance and exit of the community
Embed the fence machine in the fence wall of the entrance and exit of the community; If there is no fence but only an iron fence, you can consider erecting columns on the ground, at this time, you need to pay attention to the height of the column and the inclination angle of the plane of the fence machine, and it must be deployed in accordance with the engineering instructions. Since it is installed outdoors, it is necessary to pay attention to waterproofing, heat dissipation, western exposure, etc., and if face recognition is used, it is also necessary to avoid interference factors such as backlighting.
(3) Duty room/entrance and exit booth
If the cell size is large, or the concurrency of the call center manager is large, it is recommended that you use multiple center managers to respond to calls at the same time. Multiple center management machines can be deployed in the property management center, or they can be scattered in different locations in the community, such as duty rooms, community entrance and exit booths, etc.
(4) Unit building (all digital)
The meaning of "full digital" here is that both the indoor unit and the unit door station are digital. The digital indoor unit supports digital signals, and must be connected to the intranet of the cell through the digital decoder, and the digital indoor unit and the digital decoder are connected through the RJ45 network cable. The unit door machine is embedded in the wall next to the unit door or erects a column on the ground, at this time, it is necessary to pay attention to the height of the column and the inclination angle of the plane of the fence machine, and it must be deployed in accordance with the engineering instruction manual.
There are more than 5,000 documents in total, and it is recommended to get a set, which is definitely helpful!
The PPT scheme in the article was all gifted, a total of 400 PPT, 6 sets of complete drawings, 316 industry standard specifications and construction drawing sets, 60 word schemes, 20 construction organization designs, 20 bills of quantities (with reference prices), 162 drawings and materials, 120 VISIO tiles and topology diagrams, project management and construction plans, 68 practical excel sheets, bidding plans and construction organization design, etc.