You An Hong Ping An Campus Smart Campus Integration Solution

I. Overview

The goal of building

In order to effectively maintain the campus security prevention order and ensure the smooth progress of school teaching and scientific research work, this project builds a unified platform for campus security monitoring and security prevention according to school needs, achieving dual networking at the school level and county level, unified management of monitoring data, and scientific analysis. Realizes no dead-end real-time monitoring, parental supervision, and one-click alarming; provides strong security guarantees for the safety and security of personal and property inside and outside schools for teachers, students, and schools, and eliminates the occurrence of campus injuries and all kinds of illegal activities. Build the campus into the sunniest and safest place. The specific construction goals are as follows:

1) Build a converged platform integrating video, voice, intercom, broadcast, and help-alarm into one, integrate the propaganda and prevention and control system, break the past drawbacks of multi-systems, large management burden, high usage and maintenance costs, and realize the supervision of hidden dangers Mechanism, effective solution to campus security risks hidden regulatory issues.

2) Combine the day-to-day management of hidden safety hazards in the school with Internet technology to achieve synchronization between the network system platform and routine work, ie, data synchronization and progress synchronization.

3) School safety hidden danger management platform + video + voice + intercom + broadcast + one-click alarm intelligent safe campus.

Second, the program design

The integration system supports multi-level architecture, central + sub-control center + front-end, where the sub-control center can be expanded in multiple levels according to administrative divisions, such as city + district + county, district + county + school.

Detailed application design

The smart campus integration program focuses on the two major functional systems of teaching and teaching. It is designed as follows:

1. Campus Security and Help

1) One-click help:

In the stadiums, intersections and other key campus areas to deploy a key alarm (SOS) equipment (alarm box or alarm column), double button, simultaneous linkage security room, management center and 110 center. With visual function, it can record audio and video alarms, and can be linked with the status of electronic maps. It can broadcast and shout through full-function alarm equipment; help the helpers, give warnings and shock to the perpetrators, and can give helpers the first time. to help.

2) Teaching Building Safety:

Students can use the intercom terminal to press the corresponding button in the event of an emergency or in need of assistance. They can immediately call the sub-control center or the broadcast control room; the sub-control center or the broadcast control room can also monitor the classroom through the terminal. , Understand the student situation, broadcast propaganda when necessary, and quickly stop brawl behavior.

3) Dormitory Building Safety Management:

In the event of an emergency, students can hide anonymous alarms with a single key. The security department and the management center can give a response at the first time. The visual broadcast intercom terminal can be activated in time to conduct two-way communication.

4) Canteen Safety:

Through the video intercom terminal, linkage surveillance cameras can be used to view student conditions in the sub-control center or the broadcast control room, and can also be used in emergency situations.

5) School gate security:

Visual intercom alarm terminals are installed in the gates, entrances and exits of schools to provide students with access. When students need help or find fighting, fighting or other dangerous situations, they can alarm through the video intercom alarm terminal equipment to the school. The center platform host computer realizes two-way video intercom with the monitoring center, and it can be gradually reported for those who need to report and process.

2.Leadership courses, assistant teaching management

Leaders or managers can access the video intercom terminal of the classroom in the office or the management center at random through the management host to conduct random inspections and inspections on the overall teaching situation of the school. Not only can they see the teaching situation at the scene, but they can also hear the real story. Contents: The entire sampling and inspection process is comprehensive and real, does not interfere with teaching, and is conducted at any time. Leaders grasp first-hand information (teachers, students, and interactive comprehensive information through a system) and can more accurately propose improvement plans and optimize teaching. Ways to adjust educational resources.

3. Campus Broadcast

Can independently realize a classroom or district video intercom, broadcast (including personal music ringing, class exercises, eye exercises, flag-raising songs, radio programs, etc.) to achieve unattended automatic reminder service.

At the same time, the system provides emergency broadcast and information release functions. Integrated fire radio function: It can receive short circuit and 12V-24V alarm signal from the fire center, and realize alarm function for each district or district;

4. Listening and multimedia teaching

Schools can input through the server sound card, CD, tuner, deck and other external audio sources can be programmed to achieve a single manual or automatic playback output; meet hearing test and multimedia teaching requirements.

5. Streamline video conferencing

When multiple departments of the school need to discuss matters together, they can't focus everyone on the site. At this time, an ad hoc meeting can be quickly formed through the management host. Participants must pass the nearest management (in the office, the principal's office, and the police room). The host joins the video conference, which is convenient, flexible and quick to discuss.

6. Offline bell

The system can download the normal running timing program to the audio decoders of each partition. When the system server or the network is abnormal, the terminal can run the regular program normally.

7. Security inspection

In the sub-control center (police room), the visual intercom terminal in each area can also be used to conduct on-site inspections, and dangerous events can be quickly processed.

8. Dormitory management

喧哗 Alarm:

1) Through the video intercom terminal, inspect students whether they are on time and on time, and scream at students staying outside;

2) The terminal can also connect external audio cables to the combined amplifier to drive the entire dormitory corridor.

3) The degree of embarrassment can be monitored and managed. When the sound of the dorm area exceeds the normal range, the management center can warn and handle it.

Third, technical characteristics

1. Extensibility, compatibility and integration capabilities

1) Support standard protocols such as onvif protocol, SIP protocol, and GB28181 protocol to provide standard interfaces to facilitate data sharing between platform subsystems

2) It can be connected to the VOIP phone system (supporting the mainstream IP-PBX) separately, and audio and video calls can be realized with the IP video phone. Can integrate the access control system, video monitoring system, alarm system, etc. in the project;

3) Break through the shortcomings of traditional broadcast and intercom system separation and closure, and achieve cross-system linkage, including video and broadcast linkage, remote control access control, and remote control of light switches.

2. Comprehensive information source collection capabilities and linkage capabilities

Comprehensive information collection, including voice information, video information, alarm information, and intercom information; the system intelligently analyzes the collected information, and according to preset thresholds, it can be linked with emergency broadcast, notification security, start alarm, linked audio, Video, acousto-optic switches; enable managers to fully understand the situation the first time, deal with the power and respond in a timely manner, the alarm helpers get full assistance at the first time.

3. High voice sampling rate

Voice: support PCM, AAC, G711 audio coding format; voice files support MP3, WAV and other file formats; support 8K-48K sampling rate, 32K-768K rate file playback makes the broadcast sound quality more clear; all terminal equipment uses hardware echo Eliminating audio processing technology can well cancel out echo and suppress noise. In terms of voice breakthroughs, the support system is applied to full-duplex video voice calls and multi-party video conferencing; the system encrypts voice encoding.

4. Support Starlight function and HD video resolution

Video: Video supports H.264 and H.265 encoding formats, supports multiple resolutions of CIF, D1, 720P, and 1080P; supports night-light and wide dynamic, strong light suppression, and weak light compensation at night and backlight Under the circumstances, it can also clearly identify other people's faces; support real-time screen time and title superposition settings, can superimpose video resolution, code rate, time, title content and other information on the screen.

5. Multiple alarm source acquisition and linkage capabilities

Alarm: Receive terminal alarm, support motion detection alarm, IO trigger alarm, and support intelligent analysis threshold alarm (such as threshold value), starlight camera night recognition monitoring alarm; with alarm display, recording, recording and other functions; can be set alarm Send 110 command center; the system is all based on the network operation.

6. Full two-way video intercom

Video intercom: The system provides a one-touch call function; after the call is connected, a full two-way video call is implemented in hands-free mode, and echo cancellation is provided. Specific practical functions

1) Interruption function: high-level users can insert low-level users in the call

2) Multi-party conference mode: Support multi-party video conferences, between application host and host

3) Hosting mode: When the regional host's staff leaves or disconnects from the network, the system will automatically manage its hosting to other hosts for management, effectively preventing the occurrence of host anomalies and unattended alarms.

4) call transfer function: can be set to busy transfer, drop transfer, no response transfer, transfer by time period

5) Status monitoring: The intercom management host screen displays the real-time status and working status of the terminal, which facilitates debugging, maintenance and maintenance. Each button can be used to add network location description information to facilitate management and operation.

7. Multiple broadcast applications

Webcast: Supports three kinds of broadcast transmission protocols: UDP, TCP, and multicast. Different broadcast transmission modes can be set for different scenarios. Strengthen security education, publicize security prevention knowledge through broadcasting, and warn the predicted insecurity factors to play a preventive role, effectively reduce the probability of occurrence of danger; support multiple broadcasting applications, including

1) Broadcast in the whole area: It can broadcast audio files, propaganda, and external audio sources throughout the jurisdiction.

2) Partition broadcasting: It can broadcast audio file and propaganda within the partition

3) Scheduled broadcast: According to the system setting broadcast time, it will automatically play

4) Fire Radio: When a fire alarm occurs, a specially recorded fire-fighting audio file is played, and the broadcast is automatically cut to the maximum volume.

8. Cross-system integration and in-system integration capabilities

Convergence capabilities: Cross-system integration with video surveillance systems, access control systems, Xueliang Engineering Platform, Pingan City Platform, smart community platform, and smart city platform.

System integration: integrates alarm, broadcast, intercom, and video systems, and implements audio linkage video, video linkage audio, alarm linkage video, alarm control acousto-optic switch, and video linkage broadcast function.

9. Storage function

1) Local storage and network storage: Support terminal local storage and network storage, and configure local and network storage policies (storage mode, storage time, storage conditions, etc.) according to actual needs in the system platform. All terminals support audio and video files SD card local storage and network center storage, support mainstream manufacturers NVR storage capabilities, intercom terminals can store audio and video data directly in Haikang, Dahua, Kodak, Yushi and other mainstream manufacturers NVR

2) Storage Strategy: Full-time or scheduled storage

3) storage of practical details of the design: audio and video at the same time storage; support alarm picture capture function, can capture the alarm within the 1-60 seconds of the screen picture and store. The recording and recording of all terminals on the system are centralized in the management server. The audio and video of the intercom terminal and the audio files of the management center are synthesized into one MP4 file. The user can use the calling workstation or PC client to retrieve it at any time.

10. Management capabilities

The system adopts the management mode of “multi-level sub-control management and unified command” to facilitate multi-level units to perform their duties. The system has a three-level management mode of terminal-centralized control center-command center. The command center is equipped with a primary server, each secondary control center is equipped with a secondary server, and the primary server and the secondary server all have the functions of managing the intercom terminal, ensuring that any single point of failure does not affect the operation of the entire system, including failures. Server-managed intercom terminal. All equipment terminal cloud platform registration, convenient and fast.

11. Convenience

One end controls the whole world, and the user on one client can control all the front ends of the system. The practical value and user experience are greatly enhanced. The command center and sub-control center can perform point-to-point, partition, or all-call and broadcast of each device; mobile phone APP users only need Login platform for remote video intercom, remote broadcast, remote music playback and other controls.