CN102684803B - Disaster alarm emergency public broadcasting system considering hearing-impaired people - Google Patents

Abstract

A disaster alarm emergency public broadcasting system that takes into account hearing-impaired people, relates to the technical field of emergency alarm systems, and is characterized in that: a WEB server, a database server, a storage server, and a management client connected on a C/S and B/S hybrid network machine, at least one floor controller and an emergency power supply module, and the floor controller is connected to a multimedia broadcast front end through an HDMI splitter. The present invention can realize the unification of the background music system and the emergency alarm broadcast. The audience of the broadcast includes both normal people and hearing-impaired people. The system of the present invention plays background music and publicity advertisements at ordinary times. The alarm broadcast also uses means such as flashing lights, sign language video, and animation demonstrations that can receive information for hearing-impaired people, and promptly informs them to leave dangerous places. Very good social benefits.

Description

Disaster warning emergency public broadcasting system taking into account hearing-impaired people

technical field

The invention relates to the technical field of emergency alarm systems, in particular to a disaster alarm emergency public broadcasting system that takes hearing-impaired people into consideration.

Background technique

The establishment of an emergency alarm broadcasting system in public places as a fire emergency must be considered and installed according to my country's "Code for Design of Automatic Fire Alarm Systems". The emergency alarm broadcasting system can provide a fast and efficient information transmission channel, which can transmit the disaster news or the possible harm caused by the disaster to the hands of the people in the first time, so that the people can know what happened and how to evacuate in the first time. Avoid danger and minimize the loss of life and property. However, the general emergency alarm broadcasting system only uses voice alarms, and normal people can get warnings in time and move to a safe area; while special groups of people with limited hearing, such as deaf-mute people, cannot receive voice alarm notifications and cannot be transferred in time, and will be affected by disasters. threat.

People with disabilities are a group of special difficulties who most need social security, services and care. The state has been vigorously building a social security system and a service system for persons with disabilities (hereinafter referred to as the "two systems"). In recent years, the "Opinions of the Central Committee of the Communist Party of China and the State Council on Promoting the Development of the Causes of Disabled Persons" (Zhongfa [2008] No. 7), "The General Office of the State Council forwarded the China Disabled Persons' Federation and other departments and units to accelerate the promotion of the social security system and service system for the disabled Notice on Construction Guiding Opinions" (Guo Ban Fa [2010] No. 19) and other documents. It is required to comprehensively strengthen the construction of the service system for the disabled and enhance the ability to serve the disabled. The service in public places is one of the important contents. Improving the technical means of the emergency alarm broadcasting system allows the hearing-impaired people to enjoy the service of the emergency alarm broadcasting system and protects their lives and property. It embodies the people-oriented social concept and has a very good social and economic significance.

Contents of the invention

The technical problem to be solved by the present invention is to provide a disaster alarm emergency public broadcasting system that provides security for the majority of deaf-mute people, has good social benefits, and takes into account hearing-impaired people.

The technical problem to be solved by the present invention is realized by the following technical solutions.

A disaster warning emergency public broadcasting system for hearing-impaired people is characterized in that: it consists of a WEB server, a database server, a storage server, a management client, and at least one floor controller connected on a C/S and B/S mixed network and an emergency power supply module, the floor controller is connected to a multimedia broadcast front end through an HDMI distributor;

The WEB server software realizes the management of emergency alarm broadcasting. As long as it is an account with authority, it can log in to the system from any networked client computer for management, specifically including operator and authority management, broadcasting audio and video file management, and broadcasting. Program schedule management, live emergency alarm broadcast management, system equipment status monitoring management;

Support grouping multiple devices, and can directly send information to a certain group of display screens;

Support the scheduling of information release, and adjust the scheduling details at any time;

Support statistics on the information publishing status on each screen on the WEB side;

Support multi-user rights management and LOG records of user operations;

The storage server realizes the storage of multimedia audio and video files. In addition to the background music and advertising audio and video programs broadcast at ordinary times, there are also flash videos played during alarming, sign language alarm videos and animation alarm instructions, all pre-written with multimedia audio and video files The form is stored on the storage server for the front-end equipment to call according to the instruction;

The floor controller realizes real-time communication with other equipment, and it receives the setting and play instructions of the alarm public address management host; controls all broadcast front ends of a floor, and the floor controller has dustproof and anti-vibration characteristics, which is also more It meets the needs of the industrial environment well. The shell is made of aluminum alloy and sheet metal structure, and the panel is brushed, which can be applied to various industrial places;

The floor controller hardware adopts Intel DP67DE industrial control integrated motherboard, fanless design, good compatibility, easy maintenance, high reliability and low price. The Mini-ITX size board, because the processor integrates the GMA3600 high-definition graphics core, only needs to be equipped with an NM10 chip to complete the platform construction. D2700MUD does not use a fan for heat dissipation, but uses a large-size heat sink to meet the heat dissipation requirements of the processor, and the NM10 chipset does not need auxiliary heat dissipation at all. One PCI slot and two SODIMM slots are provided for expansion. The interfaces include HDMI, DVI, SATA×2, and USB 2.0. D2700CD also has a Mini PCI-E slot and an Intel Gigabit Ethernet card.

The control software of the floor controller is based on the windows platform and developed with c#+vs2008. The workflow of the control software is as follows:

Usually run the normal broadcast thread, when an alarm occurs, the message notification mechanism is adopted to automatically close the original normal broadcast thread, start the alarm broadcast thread, enable a separate video player for the alarm broadcast, and loop the pre-set alarm of the system Video, including flash video, sign language alarm video, escape instruction animation video, alarm text picture; at the same time enable a separate audio player to play the administrator's live emergency alarm broadcast audio. When the alarm is over, use the message notification mechanism to close the alarm broadcast thread and restart the normal broadcast thread.

The multimedia broadcasting front end is an LCD TV set with an HDMI interface.

The emergency power supply module can use three power supply modes: storage battery, solar energy and commercial power, which can be switched automatically to ensure the safety of power consumption of the system.

System function of the present invention is as follows:

1. It has the function of ordinary emergency alarm broadcasting system. In case of emergency, it can automatically or manually control all or part of the front end to issue an alarm and indicate the emergency exit.

2. In case of emergency, the system is controlled automatically or manually, and various means can be used, such as flashing lights, sign language videos, animation demonstrations, etc., to promptly notify special people with limited hearing to leave dangerous places to avoid danger.

3. Compatible with the functions of the background music system. Under normal circumstances, background music can be played, or advertisements can be promoted. It has the functions of temporarily broadcasting to find people and inserting advertisements. It takes the form of broadcasts that interrupt or superimpose their background music.

4. In case of emergency, background music and emergency alarm broadcast can be switched automatically or manually. In this switching, the emergency alarm broadcast is the absolute priority, that is, when the system receives the emergency fire signal, no matter what the background music is, the system will switch to the emergency alarm broadcast state, thus completing the "switching" Task.

5. The front-end status of the emergency public address can be fed back in real time, which is convenient for maintenance.

6. The system transmission network supports wired network, wireless network, optical fiber network, 3G, etc.

7. The system can use three power supply methods: battery, solar energy, and mains power, and automatically switch to ensure the safety of system power consumption.

8. The front end of the system has a network wake-up function to save energy consumption. It can be in sleep mode under normal conditions and resume normal operation in emergency situations. Or it is in sleep mode for a specified period of time, and it operates normally during other periods of time.

The beneficial effects of the present invention are:

①Compatible with public broadcasting and emergency broadcasting functions

At present, it should be said that it is very common to design and install background music systems in newly built or expanded buildings or public places. As an emergency alarm broadcasting system in a fire emergency, it must be considered and installed according to the "Code for Design of Automatic Fire Alarm System". Installing the two systems of public address and emergency address at the same time will bring about an increase in management and cost. In the functional design of this system, public broadcasting and emergency broadcasting are considered comprehensively, so that it can realize the functions of both, which not only enhances the function, but also saves the cost.

②The system structure is superior to the traditional emergency alarm broadcast

The traditional emergency alarm broadcasting system requires program source playback equipment, signal pre-amplification processing equipment (such as preamplifiers, matrix switchers, program timers, etc.), the system is complex, and the maintenance cost is high. The system adopts computer network technology for automatic control, and uses various formats of audio and video files to play, which saves a lot of CD records and audio tapes, and reduces the daily use cost; at the same time, the software has the function of automatically playing programs at regular intervals, which can realize No one is on duty, reducing the labor intensity of the broadcasting staff on duty.

③The function of the system is superior to the traditional emergency alarm broadcasting

Traditional emergency alarm broadcasting is only suitable for ordinary people with normal hearing, but not for hearing-impaired people. This system improves the technical means of the emergency alarm broadcasting system, so that the hearing-impaired people can also enjoy the service of the emergency alarm broadcasting system and protect their lives and property.

Description of drawings

Fig. 1 is the system network structure of the present invention;

Fig. 2 is the management flowchart of emergency alarm broadcasting of the present invention;

Fig. 3 is the flowchart of normal broadcast of the present invention;

Fig. 4 is a flowchart of the alarm broadcasting of the present invention.

detailed description

In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific illustrations.

As shown in Figure 1, a disaster warning and emergency public broadcasting system that takes into account hearing-impaired people consists of a WEB server, a database server, a storage server, a management client, and several floors connected to a C/S and B/S hybrid network. The controller and the emergency power supply module are composed. The floor controller is connected with multiple multimedia broadcast front-ends through the HDMI distributor. The multimedia broadcast front-end is an LCD TV with an HDMI interface. 3 kinds of power supply modes, and automatic switching, to ensure the safety of system power consumption.

The WEB server software realizes the management of emergency alarm broadcasting (as shown in Figure 2). As long as it is an authorized account, it can log in to the system from any networked client computer for management, including operator and authority management, and broadcast audio and video File management, broadcast program schedule management, live emergency alarm broadcast management, system equipment status monitoring management;

Support grouping multiple devices, and can directly send information to a certain group of display screens;

Support the scheduling of information release, and adjust the scheduling details at any time;

Support statistics on the information publishing status on each screen on the WEB side;

Support multi-user rights management and LOG records of user operations;

The storage server realizes the storage of multimedia audio and video files. In addition to the background music and advertising audio and video programs that are usually broadcast, there are also flash videos played during alarms, sign language alarm videos and animation alarm instructions, all of which are stored in the form of multimedia audio and video files in advance. On the storage server, for the front-end equipment to call according to the instruction;

The floor controller realizes real-time communication with other devices. It receives the setting and playback instructions of the alarm public broadcasting management host; controls all the broadcasting front ends of a floor. To meet the needs of the industrial environment, the shell is made of aluminum alloy and sheet metal structure, and the panel is brushed, which can be applied to various industrial places;

The floor controller hardware adopts Intel DP67DE industrial control integrated motherboard, fanless design, good compatibility, easy maintenance, high reliability and low price. The Mini-ITX size board, because the processor integrates the GMA3600 high-definition graphics core, only needs to be equipped with an NM10 chip to complete the platform construction. D2700MUD does not use a fan for heat dissipation, but uses a large-size heat sink to meet the heat dissipation requirements of the processor, and the NM10 chipset does not need auxiliary heat dissipation at all. One PCI slot and two SODIMM slots are provided for expansion. The interfaces include HDMI, DVI, SATA×2, and USB 2.0. D2700CD also has a Mini PCI-E slot and an Intel Gigabit Ethernet card.

The control software of the floor controller is based on the windows platform and developed with c#+vs2008. The workflow of the control software is as follows:

Usually run the normal broadcast thread (as shown in Figure 3), when an alarm occurs, the message notification mechanism is adopted to automatically close the original normal broadcast thread, start the alarm broadcast thread (as shown in Figure 4), and enable a separate video playback for the alarm broadcast player, which loops the pre-set alarm videos of the system, including flash video, sign language alarm video, escape instruction animation video, and alarm text pictures; at the same time, a separate audio player is enabled to play the administrator’s live emergency alarm broadcast audio, when the alarm After the end, use the message notification mechanism to close the alarm broadcast thread and restart the normal broadcast thread.

Design principles of the present invention are embodied in the following aspects:

1. Advancement and scalability:

With the development of modern information technology, new products and new technologies emerge in an endless stream. Therefore, the system should make full use of the latest modern technology when the investment cost permits, so that the system can adapt to social development for as long as possible. However, due to modern science With the rapid development of technology, it is necessary to fully consider the future development needs. The design scheme must be forward-looking and scalable. This scalability not only fully protects the investment of Party A, but also has a high comprehensive performance and price ratio. This has been fully considered in the design, the necessary pipelines are pre-buried, and various interfaces are reserved, which is very convenient for system expansion and upgrade.

2. Scientific and normative:

The emergency alarm broadcasting system is different from the general audio system. It is an advanced and complex comprehensive system project. It must start from the system design, including the whole process of construction, installation, commissioning and final acceptance. It must be done in strict accordance with the relevant national standards and specifications. Good systematic standardized design and scientific management work. Finally, submit a formal test acceptance report and a full set of construction drawings and technical materials for Party A to file. Especially as a project involving life and property safety, it is necessary to ensure that the entire project can withstand strict tests in all aspects and for a long time.

The main norms implemented include:

1) GB50116-98 "Code for Design of Automatic Fire Alarm System (Excerpt)"

2) GJG/T16-92 "Code for Electrical Design of Civil Buildings"

3) GB/T50314-2000 "Intelligent Building Design Standards".

3. Safety and reliability:

The construction of the emergency alarm broadcasting system directly affects the user's use effect, external image and return on investment. Therefore, the system design must be safe and reliable. This plan has fully considered the use of mature technologies and products. In the selection of equipment and system design Minimize failures. And in terms of line laying, equipment installation, system debugging and technical training for Party A's personnel, it must meet the reliability requirements. It is particularly important that all the main key equipment selected by this system have the authorization certificate of the manufacturer or agent of the equipment, and promise to give full support in the provision of engineering equipment, technical support and after-sales service.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above. Those skilled in the industry should understand that the present invention is not limited by the above-mentioned embodiments. What are described in the above-mentioned embodiments and the description only illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will also have Variations and improvements are possible, which fall within the scope of the claimed invention. The protection scope of the present invention is defined by the appended claims and their equivalents.

Claims (3)

1. A public broadcasting system for disaster warning and emergency response for hearing-impaired people is characterized in that: by being connected to a WEB server, a database server, a storage server, a management client computer, at least one floor on the mixed network of C/S and B/S Consisting of a controller and an emergency power supply module, the floor controller is connected to a multimedia broadcast front end through an HDMI distributor; The WEB server software realizes the management of emergency alarm broadcasting. As long as it is an account with authority, it can log in to the system from any networked client computer for management, specifically including operator and authority management, broadcasting audio and video file management, and broadcasting. Program schedule management, live emergency alarm broadcast management, system equipment status monitoring management; Support grouping multiple devices, and directly send information to a certain group of display screens; Support the scheduling of information release, and adjust the scheduling details at any time; Support statistics on the information publishing status on each screen on the WEB side; Support multi-user rights management and LOG records of user operations; The storage server realizes the storage of multimedia audio and video files, and the flash video, sign language alarm video and animation alarm instructions played during alarming are all pre-stored on the storage server in the form of multimedia audio and video files for the front-end equipment to follow instructions transfer; The floor controller realizes real-time communication with other devices, and it receives the setting and playing instructions of the alarm public broadcasting management host and controls all the broadcasting front ends of a floor. 2. The disaster warning and emergency public broadcasting system for hearing-impaired people according to claim 1, characterized in that: said multimedia broadcast front-end is an LCD TV with HDMI interface. 3. The disaster warning and emergency public broadcasting system for hearing-impaired people according to claim 1, characterized in that: the emergency power supply module can be powered by battery, solar energy, and mains power, and can be automatically switched.