Huaxianet Safe Campus Emergency Assistance System Solution

First, the urgency of installing an emergency help alarm system

With the development of education in our country, the scale of school construction in various regions is continuously increasing, with heavy construction tasks, complex student resources, increased floating population, winter vacation, summer vacation, statutory holidays, all day of the weekend and normal weekdays from Monday to Friday The idle time after work may become a criminal time for criminal activities.

The overall situation of security on campus in China is not optimistic, the security work situation on campus has become more and more complicated, and the incidence of various campus accidents is high. Students have low safety awareness and self-protection ability in social groups, and the number of groups is large. Campus security must always be nervous and precautions must be taken in advance.

It has become increasingly urgent to use modern technological achievements to establish an effective campus security precaution system to eliminate hidden security hazards on campus. As an important supplement to the video surveillance system, the Safe Campus Help System is increasingly used in various campuses. The current campus video surveillance is a passive security system. In many cases, it can only serve as an afterthought. The safe campus help system can help you with one click in case of emergency, and notify the safety management organization such as the emergency office of the Education Bureau as soon as possible. To gain time to deal with the incident as soon as possible, and minimize the risk of accidents.

Second, the design idea of ​​the campus emergency help alarm system

With the improvement of people's living standards and the advancement of electronic technology, "security" electronic security systems-anti-theft alarm systems and closed-circuit monitoring systems are more and more widely used in public places such as education, banking, transportation, electricity, hotels, supermarkets, etc. , For the purpose of maintaining social public safety, anti-intrusion, anti-theft, anti-vandalism, fire prevention and security inspection, etc., in order to achieve anti-intrusion, anti-theft, anti-vandalism and other purposes we have adopted electronic technology, sensor technology and computers, etc. Technology-based safety precaution technology equipment and equipment, and form a system. As a result, the security protection technology that has emerged is gradually developing into a specialized technical discipline. Especially today, when modern technology is highly developed, crime is becoming more intelligent and the means are more concealed. Modern security technology is strengthened to meet people ’s The ever-increasing requirements and expectations of the security system are even more important.

3. Basis for design

The construction of the school campus emergency help alarm system must fully consider the following points:

1. Adapt to business needs: The design of the emergency help alarm system should be able to adapt to the current office situation on the campus, while taking into account the future development.

2. Practicability and advancedness: adopt advanced and mature technology to meet the current campus office needs, taking into account other related management needs, adopt advanced infrared anti-theft alarm technology as much as possible to meet the higher multimedia information transmission needs, so that the entire The system maintains the technological advancement for a period of time to adapt to the future development and needs of electronics.

3. Reliability and safety: In order to ensure the normal application of various businesses, the emergency help system must have high reliability and safety, and try to avoid single point of failure of the system. High-reliability design and construction of the emergency help alarm system structure, emergency help alarm host, and emergency help probe are needed to improve the safety and reliability of the entire emergency help alarm network system.

4. Flexibility and scalability: The school campus emergency help alarm system is an evolving system, so it must have good flexibility and scalability, and can be based on the needs of campus informatization and emergency help police development. , It is convenient to expand the emergency coverage of the emergency help system, expand the capacity of the emergency help system and improve the functions of all levels of the emergency help system, and improve the flexibility of technical upgrades and equipment updates.

5. Openness and interconnectivity: It has the characteristics of interconnection and intercommunication with the communication network to ensure that the role of the emergency assistance alarm system infrastructure can be fully exerted, and the structure is truly open, etc., and adhere to the principle of unified norms, so as to provide future Lay the foundation for development.

6. Economic and investment protection: campus infrared anti-theft alarm system should be constructed with a high performance-price ratio to maximize the output-to-investment ratio of funds. It can keep the system running at a lower cost and with less staff input, providing high efficiency and high efficiency.

7. Manageability: Due to the complexity of the anti-theft points in the campus building, the emergency help alarm system equipment is required to have good manageability, and is equipped with advanced emergency help alarm host to effectively manage and maintain the entire emergency help alarm system .

8. Practicability: The design of the emergency help police system should be considered from the perspective of saving money.

4. The composition of the campus emergency help alarm system

4.1, system architecture

4.2. System composition

The system consists of management center software, terminal help equipment, and network equipment connecting the management equipment and terminal equipment. Under normal circumstances, the system uses the existing Internet, the internal LAN of the enterprise to build, so that the construction cost is greatly reduced.

The system software consists of server software, workstation software and caller ID software. Provide SDK development kit to achieve seamless integration with other background systems.

The main technologies adopted by the system are: IP network technology, H.264 and MPEG4 digital audio and video technology, echo cancellation technology, multi-party call technology.

5. System features and functions

1. One-click calling, audio and video combination, the management center personnel and emergency helpers have video and voice full-duplex calls, simple and clear.

2. IP network transmission is not limited by distance or region. Where there is IP network connectivity, an IP emergency help terminal can be installed to become a help point.

3. Support multi-layer network architecture, which can be managed according to multiple modes such as grade, area and business, and can also dynamically adjust the management level according to actual needs, or perform management operations such as grouping and grouping.

4. The sound quality is clear, the video is smooth, free from the interference of external electromagnetic waves, and the occupied bandwidth is extremely small.

5. The terminal is equipped with an interrupt trigger port, infrared detection, etc., which can be connected to a police siren, loudspeaker, etc., and when an emergency occurs, it will be combined with the scene to intelligently give drive control. Support linkage multiple sensor, suitable for different applications. Such as: linkage alarm, vibration alarm, voice prompt.

6. Easy installation and adjustment. The system uses standard RJ45 interface. Installation, debugging, maintenance, and address change installation are all carried out in accordance with standardized Ethernet specifications, without special training.

7. It is very easy to expand the capacity, and the total system capacity is basically unlimited. Simply add the help terminal to complete the system expansion.

8. The user-friendly operation interface is simple and easy to use, and the operation difficulty is greatly reduced. When there is an alarm signal or a call, it can automatically display the electronic map of the location of the incident, and pop up the window of the corresponding event processing flow, as an operator reference, automatically save the audio and video data of the intercom process.

9. Priority can be set, multi-seat, multi-center, full use of resources to avoid waiting for help in busy situations. When a center is busy, the new request for assistance will be transferred to the higher level or designated management center. At the same time, multiple schools can be networked and managed together.

10. Anti-riot alarm: the help terminal has a built-in vibration sensor, which will automatically alarm when damaged by violence, and connect to the alarm center for video recording.

11. Monitoring and broadcasting: When the staff on duty in the center finds that the self-service terminal is abnormal, it can call and monitor the help terminal, and the alarm center can also broadcast the call to multiple help terminals.

12. The system can realize the functions of regular play, real-time broadcast, automatic ringing, remote patrol and so on.

6. Implementation method of campus emergency help alarm system

By installing emergency buttons and alarm hosts in teaching building corridors, office complex corridors, school security rooms, etc., different emergency buttons can customize the name of the installation location (such as: emergency alarm on the third floor of the teaching building); when an alarm occurs, Press the emergency button to trigger the alarm host to alarm, the alarm siren sounds and the alarm situation is sounded when one point of alarm and multiple points are linked. When the security personnel cannot handle it, they can call the 110 and the Education Bureau Emergency Office.