Emergency broadcast background music system

Emergency Broadcast Background Music System General A. The contractor shall design and supply a set of background music and emergency broadcasting systems that comply with the relevant regulatory requirements, including installation, wiring, testing and commissioning, in accordance with the requirements and icons of this technical specification. The system must be routed and installed in accordance with the manufacturer's specifications and must maintain optimal operating conditions. Emergency broadcast background music system. . Net QQ2260194215 TEL13684940906

B. The background music and emergency broadcast system needs to meet the needs of the background music in the public rest area of ​​the building and the emergency broadcasting in the building to support fire broadcasting and emergency broadcasting. At the same time, the background music function can also be supported according to actual needs. The weak contractor is responsible for the procurement, installation, testing, and maintenance of the equipment required for the integrated wiring system of the entire project. Emergency Broadcast Background Music System System C. The central control room installs dedicated system management software and adopts a user-friendly operation interface. It can intuitively display the operation status of each partition through interfaces such as electronic maps, devices, and partitions, and provides quick broadcast operations and predefined broadcast functions. Users can also use this software to play background music, voice broadcasts, device status checks, operation logs, fault log readings, and scheduled broadcasts.

D. This section of the technical specification stipulates that the minimum quality standards and the least used functions of the acceptable system equipment. The main items must be manufactured using standard equipment and factory wiring. Equipment that is not adapted or changed to meet the requirements of the technical specification is not accepted.

E. The system equipment shall include all the equipment, cables, power cables, power supply components, terminations, labor and all accessories and all services necessary to achieve the required functions. System equipment must be the most reliable model. The parts and accessories that need to be replaced must be guaranteed to be available within the five-year period after the end of the warranty period.

F. The contractor is responsible for the design of the drawings, all the open-faced pipes, and the clear or embedded wire-pipes required for the increase in plant equipment and the change in location.

G. Any equipment or materials that are not included in this technical specification or diagram, but are necessary for the operation of the system, should also be included in the contractual project. No extra cost may be provided.

Emergency Broadcast Background Music System System Function Requirements The main function of the system is to cover up noise and create a relaxed and harmonious atmosphere. The volume is small, and functional broadcasting is performed at the same time. The broadcast host is set at the basement fire protection (security) management center, set 1 Desk/property remote paging microphone.

The system adopts distributed design, and the equipment should be based on standard TCP/IP technology;

? Can freely expand the number of partitions through Ethernet;

• Remote and local listening for zone broadcasts;

Have the functions of partition detection, circuit fault reporting, and automatic isolation of faulty device partitions;

Built-in monitor speakers, can achieve partition monitoring and two-way intercom function;

• Play server-stored audio files on any partition within the system network.

A. Distributed Control The system is distributed based on the building structure and sub-control requirements, which facilitates regional use management and cabling savings. The selected system equipment should be based on TCP/IP technology and built on a standard network platform to ensure system scalability, compatibility and advancement.

B. Fault Detection and Isolation Function The broadcast system has a fault self-check function that can automatically detect the status of sub-control hosts, power amplifiers, power supplies and communications, and can detect faults such as open circuit, short circuit, and ground fault of the speaker line, and perform fault alarms and Logging.

When a ground fault or short circuit fault occurs, the system power amplifier or sub-control host can automatically isolate the fault circuit to ensure the normal operation of the main equipment and other circuits.

C. Background Music The audio broadcasting system can access different audio sources, such as CD player, FM radio, MP3 player, etc., to realize the function of playing different audio sources in different zones to meet the different needs of different regions. Within the allowable power range, power amplifiers can be shared by the same audio source to reduce system cost. The background music access is flexible. It can be accessed through the network or accessed locally.

D. Service Broadcasting The paging microphone can be used to implement paging paging broadcasts and tracing broadcasts. The paging microphone is equipped with a color LCD touch display. The functions can be set according to requirements. The broadcast area can be selected, the audio source can be played, the volume can be adjusted, and A key to activate the emergency broadcast and other functions, paging microphone can be intercom, can be set to 255 priorities. When the connected sub-control host fails to work, the paging microphone can still perform two-way talk with other microphones on the network, and perform remote broadcast operations on other sub-control hosts on the network.

E. Scheduled Broadcast The broadcast system can set up a scheduled broadcast. Users can play different background music or service information for different areas at different times according to their needs.

F. Priority of broadcasting system The priority of the broadcasting system can be set, usually the priority is: emergency broadcasting> service broadcasting> background music, at the same time, emergency microphone> service broadcasting microphone.

G. Power amplifier automatic backup system is equipped with a hot backup power amplifier. When a main power amplifier in the system fails, the backup power amplifier will automatically replace the fault amplifier and automatically restore the main power amplifier after the fault amplifier is repaired.

H. Broadcast Intensive Broadcasting The sub-control equipment of the broadcasting system can store enough language information (not less than 1GB), and the content of the voice information is customized according to the user's needs. Voice information includes fire emergency broadcasts, such as voices for various evacuation guidance or alarm cancellations. Whether it is automatic (in conjunction with a fire alarm host) or manual mode, fire broadcasts are issued by digital speech synthesis devices. The emergency voice information is available in four basic language versions: Chinese, English, French, and Japanese. The corresponding voice can be recorded according to the actual needs of the customer.

I. Internal Communication Paging microphones can perform internal full-duplex communication and can implement simple intercom functions.

The paging center of the broadcasting center has a color touch screen that can be operated on the screen, and related functions can be customized as needed.

The range of paging for a single paging microphone can be limited by permission settings. Each paging microphone can call each local authority area, and multiple paging microphones can cross call different areas and the same area.

J. The system electronic map system operation interface has a variety of view modes, and can visually display the status of each broadcast partition through the electronic map, and can perform broadcast operations on the electronic map on the partition, and can display a three-level map.

K. Background music player can be separately set partition broadcast function and local access sound source, usually by the administrator according to different requirements, including time, occasions, etc., to play the corresponding background music, in an emergency situation, the system automatically switches to the emergency broadcast.

L. Program Sources The Broadcast Control Center audio sources include multi-source integrated players (including CDs, USB, SD cards, FM radios), paging microphones, and large-capacity digital voice recording and playback devices.

M. Logging The system records the fault logs and operation logs of each device, and can retrieve information according to the conditions of time, equipment, operator, or log type.

N. The main equipment of the main and backup switching system, such as the sub-control host and power amplifier, has a main power supply and a backup power module. When the main power supply fails, the standby power supply can be used to power the equipment.

O. The distributed paging microphone can broadcast to one or more sections through the paging microphone. At the same time, the microphone has the function of remote control, and can perform such functions as emergency broadcast start, divisional sound source playing, external equipment triggering, and the like.

Emergency Broadcast Background Music System - Emergency Broadcast A. With automatic/manual strong cut function: Once the emergency broadcast is started by a paging microphone or other external equipment (fire alarm system), other functions of the system (background music, business broadcasts, etc.) will be suspended, and the system will only perform pre-recorded firefighting. Automatic voice broadcast (warning and evacuation broadcasts) or manual broadcast of fire mics until emergency radio status is released;

B. System achieves emergency broadcast within 3 seconds;

C. The broadcast signal and voice information (including warning and evacuation content) are digitally recorded in the voice storage flash or SD card, with no aging, no loss and other characteristics, and can broadcast to all designated areas;

D. The system should have the system detection function and this function is a standard configuration. Through this detection device, the system operator can ensure that the system can operate normally at any time. Detection of emergency broadcasts should be initiated with software settings, without the need for actual emergency broadcasts, causing unnecessary panic;

E. The system should be able to achieve automatic backup switching function. Once a power amplifier fails, the system backup amplifier will automatically replace the fault amplifier, eliminating the need to manually replace the amplifier input and output lines;

F. The language type of emergency broadcast should be able to meet the needs of the user as the standard. Paging microphones should be left with signage such as operational prompts so that users can paste corresponding management information to facilitate operation and management.

G. When the call is made through the emergency microphone, the system can automatically record the voice of the emergency microphone, and the user can audition or broadcast the voice;

H. The system can be linked with the fire control controller through a voltageless dry contact or MODBUS bus. When the dry contact interface is used, the number of linkage signal cables is equal to the number of firefighting partitions in each fire control center;

I. With the adjacent alarm function, the linkage floor can be set by software according to the requirements;

J. When the system fire alarm mode is enabled, the system operator interface can pop up the fire alarm floor plan to visually inform the operator of the fire alarm area. In addition, the selected area can be entered into warning or evacuation broadcasting through the device panel operation;

K. The device uses a three-wire strong cut volume controller;

L. The system has a line detection function, each speaker partition can be detected to ensure the normal operation of the speaker line, and can report an error when the speaker line fails. When a short circuit occurs in the speaker partition, the device can automatically isolate the faulty short-circuited zone to prevent the short-circuit caused by power amplifier protection and affect other broadcast zones.

Emergency broadcast background music system system. Major equipment technical indicators 1.3.1. Distributed intelligent system controller Controller supports multi-source, highly integrated, freely configurable features, audio source storage, network audio reception, playback, partition control, Listening, fault diagnosis and other functions in one:

Supports manual selection of source and zone buttons for direct operation;

Support emergency microphones for fire radio;

Remote paging and broadcast operations can be performed through a custom web paging console;

Automatic detection of zone short circuit, open circuit fault;

The fuse protects the main power supply. When the internal power supply is short-circuited, the main power supply is automatically disconnected.

Supports zone monitoring and audio monitoring. When the system is extended through the network, network monitoring can be performed.

Support simultaneous playback of multiple voice messages or network audio;

Support automatic recording of operation logs and fault logs;

Self-check function, support automatic fault diagnosis;

You can customize the button switch and combination button functions. And can install button function description label;

With matrix function, can play any audio source in any partition;

Support timing to play specified sounds in designated areas to realize unattended function;

System expansion via Ethernet.

1.3.2. The digital power amplifier adopts 100V or 70V output;

Support balanced input or unbalanced audio input mode;

Use forced air cooling to dissipate heat;

Provides automatic recoverable over-current, overload, over-temperature, over-voltage, under-voltage, and DC protection.

1.3.3. Pure rear stage power amplifier displays the operating temperature and output volume of the device in real time through the LCD;

With RCA jacks, XLR jacks, special high-quality balanced input / output interface;

With 100V, 70V constant pressure output and 4-16Ω constant resistance output;

The output volume is digitally adjusted;

With perfect output short-circuit protection and over-temperature protection function, it has long-term overload output automatic pressure limit control;

The cooling air has a hot start function. The newly designed internal short air duct power amplifier cooling system structure ensures the high stable performance of the machine.

Fault remote reset function (such as overload protection, short circuit protection).

1.3.4. Loudspeaker Ceiling Loudspeaker Fire Protection: Uses a compact and high-strength ABS material for corrosion resistance: Through a 24-hour salt spray test Rated power: 3W/6W

Rated input voltage: 100V/70V

Wall-mounted speakers (in accordance with the design location, specifically to change the number of changes)

Rated power: 5W/10W;

Rated input voltage: 100V/70V

1.4. Refer to Appendix II for reference details of system equipment.

1.5. Other requirements The relevant standards and key technical parameters of major equipment are the minimum technical requirements. The system equipment measurement list is for reference only and the actual implementation amount of tender drawings shall prevail.