CN202615551U - Corridor multimedia alarm device - Google Patents
Corridor multimedia alarm device Download PDFInfo
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- CN202615551U CN202615551U CN201220230386.1U CN201220230386U CN202615551U CN 202615551 U CN202615551 U CN 202615551U CN 201220230386 U CN201220230386 U CN 201220230386U CN 202615551 U CN202615551 U CN 202615551U
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- 238000004891 communication Methods 0.000 claims abstract description 27
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- 230000007123 defense Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 abstract 2
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 8
- 238000012937 correction Methods 0.000 description 5
- 238000011161 development Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
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- 238000012545 processing Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
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- 101000969688 Homo sapiens Macrophage-expressed gene 1 protein Proteins 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
本实用新型公开了一种楼道型多媒体警报装置，该装置由射频接收模块、调制解调器模块、主控模块、显示屏模块、功放模块、扬声器、3G通信模块、供电模块组成，是应用于楼道场所的基于电子屏多媒体多功能新型防空防灾预警报知终端，本实用新型的优点是：采用图文和音视频的方式发送警报，解决了警报发放方式单一的问题；丰富警报终端功能:战时用来发放防空袭警报；抢险救灾时，发放灾情和救灾信息；平时可以开展防空防灾宣传教育和法律法规宣传，以及发布有关社会管理和民生信息；实现警报信号覆盖封闭建筑物楼道；采用交直流双电源供电，保障二次警报发放。
The utility model discloses a corridor-type multimedia alarm device, which is composed of a radio frequency receiving module, a modem module, a main control module, a display screen module, a power amplifier module, a loudspeaker, a 3G communication module and a power supply module, and is used in corridor places Based on the electronic screen multimedia multifunctional new air defense and disaster prevention early warning notification terminal, the utility model has the advantages of: sending alarms in the form of graphics, text, audio and video, which solves the problem of a single alarm issuing method; enriching alarm terminal functions: used in wartime Issue air raid warnings; release disaster and disaster relief information during emergency rescue and disaster relief; carry out publicity and education on air defense and disaster prevention, laws and regulations, and release information about social management and people's livelihood; realize alarm signals covering corridors of closed buildings; adopt AC and DC dual Power supply to ensure the issuance of secondary alarms.
Description
Technical field
The utility model relates to fields such as radio communication, applying electronic, electrical screen application, is in the civil defense warning control system, to be applied to the corridor place specifically, reports end device based on the multimedia Multifucntional anti-air-raid and disaster-preventing early warning of electrical screen.
Background technology
The existing system of China people's air-defence warning is to confirm the beginning of the eighties in last century, and existing people's air-defence warning terminal has only outdoor electroacoustic warning horn and motor siren, can only satisfy air defense in wartime needs, only possesses single audible alarm means.This traditional people's air-defence warning terminal has following shortcoming: 1. cost is higher relatively, is difficult to popularize; 2. high to power requirement, fragility is bigger; 3. the function and the means of alarm granting are single, and social recognition is not high; 4. alarm signal can not cover the containment building corridor.The tradition people's air-defence warning can not satisfy the needs of broad masses of the people to the warning information service in the terminal well, let alone the overall situation demand of the service people's livelihood.
The utility model content
Goal of the invention: in order to overcome the deficiency of prior art; The purpose of the utility model is to provide a kind of multimedia warning means that function, comprehensive sound equipment and picture and text warning are reported in the anti-air-raid and disaster-preventing early warning that have both, and can realize the corridor type multimedia alarm device of warning information and covering containment building corridor.
Technical scheme: in order to solve the problems of the technologies described above, the technical scheme that the utility model adopted is following:
A kind of corridor type multimedia alarm device is characterized in that, comprises Receiver Module, modem module, main control module, display panel module, power amplifier module, loudspeaker, 3G communication module, supply module, wherein,
Said Receiver Module is used to receive extraneous radiofrequency signal (RF), and converts radiofrequency signal to sound signal (AF);
Said modem module, the sound signal of received RF receiver module output, output alarm order and note are to main control module;
Said 3G communication module is used to receive the picture and text and the audio/video information of 3G network, and it is sent into main control module store;
Said main control module receives alarm order and note that said modem module is exported, receives the picture and text and the audio/video information of said 3G communication module output, and outputting video signal is to display panel module, and output audio signal is to power amplifier module simultaneously;
Said display panel module is used to play picture and text, the video playback of main control module output;
Said power amplifier module receives the sound signal that main control module is exported, and amplifies the power of sound signal and it is sent into loudspeaker;
Said loudspeaker is used for airing of views alarm or audio plays sound;
Said supply module is used for to Receiver Module, modem module, main control module, display panel module, power amplifier module, loudspeaker, the power supply of 3G communication module.
Wherein, said supply module comprises power module, accumulator.
Described power module adopts the digital power technology; The 220V alternating current is separately converted to 8V, 12V power supply; Be Receiver Module, modem module, main control module, display panel module, power amplifier module, the power supply of 3G communication module, and be charge in batteries, for each module provides ground connection.
Described accumulator output 8V, 12V power supply are Receiver Module, modem module, main control module, display panel module, power amplifier module, loudspeaker, the power supply of 3G communication module.
Beneficial effect: compared with prior art, the utility model has the advantages that: 1) adopt the mode of picture and text and audio frequency and video to send alarm, solved the single problem of alarm releasing mode; 2) enrich the alarm terminal function: be used for providing alarm of airraid wartime; During rescue and relief work, provide the condition of a disaster and disaster relief information; The propaganda of anti-air-raid and disaster-preventing communication and education and laws and regulations be can carry out at ordinary times, and relevant social management and civil information issued; 3) realize that alarm signal covers the containment building corridor; 4) adopt the AC-DC double power supply power supply, ensure secondary alarm granting.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is done further to set forth in detail.
As shown in Figure 1: corridor type multimedia alarm device is made up of Receiver Module 1, modem module 2, main control module 3, display panel module 4, power amplifier module 5, loudspeaker 6,3G communication module 7, supply module, and Receiver Module 1 receives extraneous radiofrequency signal (RF) and converts radiofrequency signal to sound signal (AF); The sound signal of modem module 2 received RF receiver modules 1 output, output alarm order and note to main control module 3; 3G communication module 7 receives the picture and text and the audio/video information of 3G network and it is sent into main control module 3 store; Main control module 3 outputting video signals are to display panel module 4, simultaneously output audio signal to power amplifier module 5; Display panel module 4 is play picture and text, the video playback of main control module 3 outputs; Power amplifier module 5 amplifies the power of sound signal and it is sent into loudspeaker 6; Supply module is used for to Receiver Module 1, modem module 2, main control module 3, display panel module 4, power amplifier module 5, loudspeaker 6,7 power supplies of 3G communication module.
Do detailed explanation in the face of each module down.
Receiver Module 1: partly form by low noise amplifier, image-reject filter, first low-converter, first local oscillator, the first intermediate frequency filtering amplifying circuit, the second mixing local oscillator IF amplifier circuit, IF process etc.Adopt technology such as if digitization, phaselocked loop and double superheterodyne reception, RF (radiofrequency signal) is converted into AF (sound signal).
The principle of Receiver Module 1 is following: RF (radiofrequency signal) after prime bandpass filtering and low noise amplify, with lock mutually local oscillator carry out mixing, be transformed to first intermediate-freuqncy signal of 45MHz, after narrow-band crystal filter leaches useful signal; Send into FM reception IC (FMIC), comprise two mixing, 455K two intermediate frequency filterings; Amplitude limit amplifies, quadrature frequency discrimination, a series of processing such as squelch control; Demodulate AF (sound signal), carry out the 300-3000Hz bandpass filtering then, amplify.Performance requirements such as the sensitivity that signal is received, degree of stability are than higher, and Receiver Module 1 adopts the Receiver Module RF100 of Nanjing Houhua Communication Apparatus Co., Ltd.'s development, and performance index are following:
1) frequency range: 220--240MHz, other frequency range is also customizable;
2) channel spacing: 12.5KHz;
3) supply voltage: 12VDC;
4) receiving sensitivity: be superior to-120dBm (0.22uV, 12dB SINAD);
5) frequency stability: 1.5PPM;
6) intermediate frequency: 45MHz;
7) two intermediate frequencies: 455KHz;
8) wait for electric current: about 20mA;
9) modulation system: frequency modulation 11F3;
10) speech bandwidth: 300-3000Hz.
Modem module 2: partly be made up of digital demodulation, deinterleave decoding, verification etc., adopt time-frequency modulation, RS Error Correction of Coding, interweave, technology such as CRC check, realization AF (sound signal) is converted into information such as alarm order and note.
Modem module 2 is responsible for AF (sound signal) is carried out AGC, filtering, A/D conversion, demodulation, decoding error correction, verification etc.; Parse the raw data of transmitting terminal; Reliability requirement to module is very high; That modem module 2 adopts is the VM1200 of Nanjing Houhua Communication Apparatus Co., Ltd.'s development, and performance index are following:
1) traffic rate: 600BPS/1200BPS;
2) modulation system: DPSK/600BPS, QPSK/1200BPS;
3) Error Correction of Coding: GF (256) territory RS (16,12) sign indicating number; Code efficiency: 75%.
Main control module 3: adopt the ARM technology, the data message that receiving modem module 2 is sent, and vision signal is sent into display panel module 4 according to signaling protocol, AF (sound signal) is sent into power amplifier module 5; Storage local and from information such as the picture and text of modem module 2,3G communication module 7, audio frequency and video in the CF storer.Adopt the LPC2136 development environment of ARM7 series, also can adopt the LPC2138 etc. of ARM7 series to have A/D, D/A (mould/number, D/A) high speed development environment.
Display panel module 4 is used to play picture and text, the video playback of main control module output; It is LCD electrical screen module or LED electrical screen module.Be responsible for playing the vision signal of main control module 3 inputs, LCD electrical screen module adopts 15 cun/17 cun building liquid crystal advertisers of selling on the market, and the software interface agreement is made amendment, and realizes the control to video playback, and concrete parameter is following:
1) supports the played file form: MPG, MPG1, MPG2, MPG4, AVI, VCD, CD, MP3, DVD, files such as JPG;
2) signal to noise ratio (S/N ratio): 110dB; Dynamically: 90Db; Distortion: 0.025%;
3) high brightness, wide viewing angle, the image quality sharpness is high;
4) use the CF card as program source, it is high to play reliability, and content update is convenient and swift.
15 cun advertisement machine display screen parameters:
1) resolution: 1024*768;
2) some distance: 0.297 (level) *, 0.297 (vertically) mm;
3) brightness: 300cd/m
2
4) contrast: 500:1;
5) visible angle: 60
o/ 60
o(left side/right side), 40
o/ 50
o(on/down);
6) lamp tube service life: 50000 hours.
17 cun advertisement machine display screen parameters:
1) display screen: 17 cun TFT LCDs;
2) resolution: 1280*1024;
3) brightness: 300cd/m
2
4) contrast: 700:1;
5) visible angle: 75
o/ 75
o(left side/right side), 75
o/ 60
o(on/down);
6) lamp tube service life: 50000 hours.
Power amplifier module 5: be used for the power of voice emplifying signal, and it is sent into loudspeaker 6; The AF (sound signal) of main control module 3 outputs is carried out power amplification, and input loudspeaker 6.High or low power according to the installation region can be selected 2W, 5W, 10W etc.
Loudspeaker 6: airing of views alarm or audio plays sound.High or low power according to the installation region can be selected 2W, 5W, 10W etc., and with the power grade of power amplifier module 5 coupling.
3G communication module 7: be responsible for receiving picture and text and audio/video information, and it is sent into main control module 3 storages, realize the online updating of picture and text and audio/video information from 3G network.Adopt the WCDMA 3G DTU/CM8150P communication module of Xiamen just luxuriant communication Science and Technology Ltd., the Data Transport Protocol development data receiving software that in main control module 3, provides according to 3G communication module 7 is realized the Data Receiving function.Also can adopt speed and other higher 3G communication module of sensitivity of selling on the market.
Supply module comprises power module 8 and accumulator 9, and power module 8 is electrically connected with accumulator 9; Wherein, power module 8 is provided with the external-connected port of 8V, 12V and ground connection; On accumulator 9, also be provided with the external-connected port of 8V, 12V.
Power module 8 adopts the digital power technology; The 220V alternating current is separately converted to 8V, 12V voltage; Be responsible for each module for power supply of equipment; To accumulator 9 chargings, power module 8 adopts the switch power source adapter of selling on the market, and parameter need satisfy following condition: input: 100-240V ~/1.2A 50/60Hz; Output: 12V=6A.Wherein 8V voltage is provided, is respectively modem module 2 for Receiver Module 1, main control module 3, LCD electrical screen module 4, power amplifier module 5,3G communication module 7 provide 12V voltage, and is charge in batteries, for each module provides ground connection.
Accumulator 9 when being responsible for the AC power outage, to power devices, guarantees that the secondary alarm provides, employing be the accumulator of 12V/6A.Output 8V, 12V voltage are for Receiver Module 1 provides 8V voltage, is respectively modem module 2, main control module 3, LCD electrical screen module 4, power amplifier module 5,3G communication module 7 provide 12V voltage.
The principle of work of the utility model is following:
1) remote alarm control: Receiver Module 1 receives the alarm order RF (radiofrequency signal) from remote control center; Its processing is converted into AF (sound signal); Send into main control module 3 through generation alarm order such as modem module 2 demodulation, decoding error correction, verification and note; Main control module 3 is sent video and audio-frequency information that alarm is provided into LCD electrical screen module 4 and power amplifier module 5 respectively according to corresponding signaling protocol, realizes the alarm issue; And, instruct it to make rational counter-measure through picture and text and the various alarm audios of the correct identification of audio/video information help resident.
2) long-range issue social management and civil information: the note RF (radiofrequency signal) that Receiver Module 1 receives from remote control center; Its processing is converted into AF (sound signal); Note through generations such as modem module 2 demodulation, decoding error correction, verification will be issued is sent into main control module 3; The note that main control module will be issued is sent into LCD electrical screen module 4, realizes the note issue, can be used for issuing social management and civil informations such as bulletin, notice, weather forecast.
3) anti-air-raid and disaster-preventing education, laws and regulations propaganda and commercial advertisement issue: main control module 3 is according to the program that weaves in advance; Circulation regularly will be kept at the picture and text or the audio/video information of the memory module of main control module 3 and send into LCD electrical screen module 4 and power amplifier module 5, realize anti-air-raid and disaster-preventing education, laws and regulations propaganda and commercial advertisement issue.
4) remote update of picture and text and audio/video information: picture and text and audio/video information that the terminal receives from remote control center through 3G communication module 7; It is sent in the memory module of main control module 3 preserve; Realize the remote update of picture and text and audio/video information, be convenient to safeguard.
The above only is the preferred implementation of the utility model; Be noted that for those skilled in the art; Under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220230386.1U CN202615551U (en) | 2012-05-22 | 2012-05-22 | Corridor multimedia alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220230386.1U CN202615551U (en) | 2012-05-22 | 2012-05-22 | Corridor multimedia alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202615551U true CN202615551U (en) | 2012-12-19 |
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ID=47349229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220230386.1U Expired - Lifetime CN202615551U (en) | 2012-05-22 | 2012-05-22 | Corridor multimedia alarm device |
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| Country | Link |
|---|---|
| CN (1) | CN202615551U (en) |
-
2012
- 2012-05-22 CN CN201220230386.1U patent/CN202615551U/en not_active Expired - Lifetime
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20121219 |