CN201673578U - Antiaircraft and anti-disaster alarm screen - Google Patents
Antiaircraft and anti-disaster alarm screen Download PDFInfo
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- CN201673578U CN201673578U CN2010202239777U CN201020223977U CN201673578U CN 201673578 U CN201673578 U CN 201673578U CN 2010202239777 U CN2010202239777 U CN 2010202239777U CN 201020223977 U CN201020223977 U CN 201020223977U CN 201673578 U CN201673578 U CN 201673578U
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Abstract
The utility model relates to an alarm device, in particular to an antiaircraft and anti-disaster alarm screen, and provides an integral antiaircraft and anti-disaster alarm screen capable of realizing the effective combination of antiaircraft function and anti-disaster function. The antiaircraft and anti-disaster alarm screen is provided with a receiving module, a master control module, an LED display screen control module, an LED display driving module, an alarm power amplification module, an alarm flashing light control module, a power supply module, an LED display screen, a loudspeaker and a flashing light. The receiving module is used for receiving wireless information and control commands transmitted by an alarm center, the input end of the master control module is connected with the output end of the receiving module, and the output end of the master control module is respectively connected with the input end of the LED display screen control module, the input end of the alarm power amplification module and the input end of the alarm flashing light control module; the output end of the LED display screen control module is connected with the LED display screen through the LED display driving module; the output end of the alarm power amplification module is connected with the loudspeaker; the output end of the alarm flashing light control module is connected with the flashing light; and the power supply module supplies power.
Description
Technical field
The utility model relates to a kind of warning device, especially relates to a kind of anti-air-raid and disaster-preventing alarm screen.
Background technology
The air defence warning facility is the exclusive resource of people's air defence, is the important means that ensures the anti-air strike safety of the common people, is the important foundation facility of municipal public safety.Civil Air Defense Law regulation, air defence warning are not only undertaken and are guided wartime the common people to implement air defense action to report task, and undertake and take precautions against disaster and accident early warning task at ordinary times.Set up rationally distributed, means are various, sensitivity is reliable, manufacturing products for both peacetime and wartime us, the anti-air-raid and disaster-preventing alarm system with the urban construction and development adapts has very important significance.Especially those geographic position uniquenesses, the area that strategic position is important, and the area of disaster pilosity, particularly important.But also there are many defectives in existing air defense warning system.
Notification number provides a kind of air defence warning device autoalarm for the utility model patent of CN201229647, form by A type support, turnover panel, junk, contact switch and air defence warning device, the top of A type support is the plane, the junk activity is placed on the described plane, turnover panel is movably connected on the feet of A type support by rotating shaft, can rotate freely, the below of another feet of A type support is provided with the electric shock switch, and is connected with air defence warning device circuit.This utility model utilizes the air defence warning device just in time to sound the alarm automatically at the beginning of earthquake takes place, and to cause people's vigilance, the caution people evacuate hedging.
Summary of the invention
The purpose of this utility model is to provide a kind of effective combination of anti-air-raid and disaster-preventing and incorporate anti-air-raid and disaster-preventing alarm screen realized.
The utility model is provided with receiver module, main control module, LED display control module, LED driver module, warning power amplifier module, warning flashing light control module, power module, LED display, loudspeaker and flashing light.Receiver module is used to receive wireless messages and the steering order that alarm center sends, the output terminal of the input termination receiver module of main control module, the output terminal of main control module connect the input end of LED display control module, warning power amplifier module and warning flashing light control module respectively; The output terminal of LED display control module connects LED display through the LED driver module; The output termination loudspeaker of warning power amplifier module; The output termination flashing light of warning flashing light control module; Power module provides power supply.
The utility model with alarm signal advance building, advance underground, to advance tunnel and personal portable etc. be point of penetration, can do effectively to improve and replenish to existing air defence warning system, can realize effective combination of anti-air-raid and disaster-preventing and integrated.
Description of drawings
Fig. 1 is the structure composition frame chart of the utility model embodiment.
Fig. 2 is that the RF Receiver Module circuit of the utility model embodiment is formed schematic diagram.
Fig. 3 is the CPU main control module software flow chart of the utility model embodiment.
Fig. 4 is that the LED display control module circuit of the utility model embodiment is formed schematic diagram.
Fig. 5 is that the LED driver module circuit of the utility model embodiment is formed schematic diagram.
Fig. 6 is that the warning power amplifier module circuit of the utility model embodiment is formed schematic diagram.
Fig. 7 is the audio alert modular circuit theory of constitution figure of the utility model embodiment.
Embodiment
Referring to Fig. 1, the utility model embodiment is provided with receiver module 1, CPU main control module 2, LED display control module 3, LED driver module 4, warning power amplifier module 5, warning flashing light control module 6, power module 7, LED display A, loudspeaker B and flashing light C.Receiver module 1 is used to receive wireless messages and the steering order that alarm center sends, the output terminal of the input termination receiver module 1 of CPU main control module 2, the output terminal of CPU main control module 2 connect the input end of LED display control module 3, warning power amplifier module 5 and warning flashing light control module 6 respectively; The output terminal of LED display control module 3 meets LED display A through LED driver module 4; The output termination loudspeaker B of warning power amplifier module 5; The output termination flashing light C of warning flashing light control module 6; Power module 7 provides power supply.
Below provide principle of work of the present utility model:
The utility model is the digital command information receiving device of a special-purpose frequency, annual 365 days, be in the reception stand-by state 24 hours every days, when receiving the instruction of " alarm center of taking precautions against natural calamities " issue, distinguish the condition of a disaster kind, rank, and the startup LED display is carried out the issue of the condition of a disaster literal and acoustic alarm (loudspeaker) and flashing light control.LED display can be issued Word message be used to take precautions against natural calamities knowledge propaganda and Popular Science Education at ordinary times.
Fig. 2 provides the RF Receiver Module circuit of the utility model embodiment and forms schematic diagram.The radio-frequency (RF) receiving circuit core is used the SI4432 chip design.Be used for receiving the wireless messages and the steering order of the special-purpose frequency that " alarm center of taking precautions against natural calamities " sent out, signal flows to CPU by spi bus at last again by demodulation error correction and bag processing.
Main essential characteristic:
1) complete FSK, GFSK, OOK transceiver;
2) operating frequency range 240～930MHz;
3) emissive power typical case 18dBm;
4) receiving sensitivity-115dBm@9.6Kbps;
5) the maximum 128Kbps of transfer rate;
6) the FSK frequency deviation able to programme (1～160KHz);
7) receive bandwidth able to programme (10.6～230.4kHz);
8) low-power consumption duty cycle pattern carries and wakes timer up, low cut-off current (1 μ A);
9) 2.7～3.6V power supply power supply;
10) low received current (typical 18.5mA);
11) temperature range-40～+ 85 ℃.
Fig. 3 provides the CPU main control module software flow chart of the utility model embodiment, and CPU selects the C8051F363 Series chip for use.Its advantage is low-power consumption, high processing rate (100MIPS).Have 32k bytes Flash and 1280 byte RAM.UART, SPI, SMBus/I2C interface and 4 16 bit timing devices and PCA.
The software main modular is as follows:
1) main program module coordinates to detect every work of each software module.
2) radio frequency trace routine module mainly is to handle radio frequency to receive and decoding work.
3) receive data processing job sequence module, mainly finish verification, decoding and cryptanalysis, in functions such as processing to data.
4) alarm signal processing routine is in advance carried out accordingly in advance actuation of an alarm etc.
5) air raid alarm handling procedure is carried out corresponding air raid siren action etc.
6) handling procedure of sounding all clear is carried out the corresponding actuation of an alarm etc. of removing.
7) Word message release process module.
8) audio alert attention program module.
9) decryption software program module.
On above main modular basis, also have some other program moulds such as low-power consumption management, overtime management, low-voltage to detect.
Fig. 4 provides the LED display control module circuit of the utility model embodiment and forms schematic diagram, and it is core processor that CPU selects AVR Series chip ATMEGA8L for use, and this modular design carries 16 * 16 dot matrix standard Chinese character storehouses and English character library.Range of control and menu see Table 1.
Fig. 5 provides the LED driver module circuit of the utility model embodiment and forms schematic diagram, and what the design of LED screen display driver circuit was selected for use is more common on the market method for designing.To be that the preferred circuit of 74HC595,74HC04D, 74HC138 and 4953 is built with chip.
Fig. 6 forms schematic diagram for the warning power amplifier module circuit of the utility model embodiment, power amplifier module is to be core with TDA8920BTH, this chip is that Philip high-level efficiency (2X100W) D class digital audio amplifier .IC selects the HSOP24 power package for use, has very low power consumption and quiescent current.This D class audio amplifier has zero dead band switch, advanced current protecting function, and the work starting is level and smooth, does not have the start impulsive sound of general amplifier.
Fundamental performance parameter:
Working method: D class;
Quiescent current: 65mA;
Work efficiency: 90%;
Output power: 200W;
Frequency response: 20Hz～50kHz;
Operating voltage: ± 12.5V is to ± 30V;
Recommend supply voltage: ± 27V;
Maximum output current: 8A.
Fig. 7 provides the audio alert modular circuit theory of constitution figure of the utility model embodiment, and major function is that standard voice and other disaster kinds of playing the warning kind are reported to the police.Its core I C is recording playback sound chip I SD4008 and 1W amplifier CG7001.
Table 1
Claims (1)
1. an anti-air-raid and disaster-preventing alarm screen is characterized in that being provided with receiver module, main control module, LED display control module, LED driver module, warning power amplifier module, warning flashing light control module, power module, LED display, loudspeaker and flashing light; Receiver module is used to receive wireless messages and the steering order that alarm center sends, the output terminal of the input termination receiver module of main control module, the output terminal of main control module connect the input end of LED display control module, warning power amplifier module and warning flashing light control module respectively; The output terminal of LED display control module connects LED display through the LED driver module; The output termination loudspeaker of warning power amplifier module; The output termination flashing light of warning flashing light control module; Power module provides power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202239777U CN201673578U (en) | 2010-06-08 | 2010-06-08 | Antiaircraft and anti-disaster alarm screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202239777U CN201673578U (en) | 2010-06-08 | 2010-06-08 | Antiaircraft and anti-disaster alarm screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201673578U true CN201673578U (en) | 2010-12-15 |
Family
ID=43330987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202239777U Expired - Lifetime CN201673578U (en) | 2010-06-08 | 2010-06-08 | Antiaircraft and anti-disaster alarm screen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201673578U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158240A (en) * | 2011-01-27 | 2011-08-17 | 厦门日华科技股份有限公司 | Terminal device based on large-screen image display screen for displaying early warning information of air situations and disaster situations |
| CN102682574A (en) * | 2012-04-27 | 2012-09-19 | 中航捷锐（北京）光电技术有限公司 | Disaster early-warning system |
| CN110351601A (en) * | 2019-07-01 | 2019-10-18 | 湖南科大天河通信股份有限公司 | Civil air defense publicity and education terminal device and method |
-
2010
- 2010-06-08 CN CN2010202239777U patent/CN201673578U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102158240A (en) * | 2011-01-27 | 2011-08-17 | 厦门日华科技股份有限公司 | Terminal device based on large-screen image display screen for displaying early warning information of air situations and disaster situations |
| CN102158240B (en) * | 2011-01-27 | 2013-10-16 | 厦门日华科技股份有限公司 | Terminal device based on large-screen image display screen for displaying early warning information of air situations and disaster situations |
| CN102682574A (en) * | 2012-04-27 | 2012-09-19 | 中航捷锐（北京）光电技术有限公司 | Disaster early-warning system |
| CN110351601A (en) * | 2019-07-01 | 2019-10-18 | 湖南科大天河通信股份有限公司 | Civil air defense publicity and education terminal device and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101215 |
|
| CX01 | Expiry of patent term |