CN201657322U - Double-channel disaster warning information receiving system - Google Patents
Double-channel disaster warning information receiving system Download PDFInfo
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- CN201657322U CN201657322U CN2010201728884U CN201020172888U CN201657322U CN 201657322 U CN201657322 U CN 201657322U CN 2010201728884 U CN2010201728884 U CN 2010201728884U CN 201020172888 U CN201020172888 U CN 201020172888U CN 201657322 U CN201657322 U CN 201657322U
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Abstract
The utility model provides a double-channel disaster warning information receiving system, which comprises a phone information preprocessing module, a DAB receiver information pre-processing module, an adapter, a mobile phone and a DAB receiver, wherein the receiving method of warming information comprises two modes which are satellite DAB receiving and GPRS short message receiving, the double-channel disaster warning information receiving system receives through mobile phone GPRS short messages in urban areas, automatically distinguish warming regions through using a mobile communication network according to location information of address regions, thereby achieving selection of a mobile phone terminal to warming information, and accurately receiving in real time. A DAB receiving end of the double-channel disaster warning information receiving system automatically distinguishes address codes of warming regions according to the region parameter information of the Beidou satellite in rural areas, thereby achieving warming information receiving of remote areas. The double-channel disaster warning information receiving system can guarantee to accurately receive warming information of all levels, all kinds and all departments in countrywide in real time in the maximal degree, and guarantees the safety of life property of broad masses of the people.
Description
Technical field
The utility model belongs to real time data and receives the field, especially receives in real time at meteorological early warning information.
Background technology
China is subjected to one of serious country of natural calamity harm in the world, disasters such as typhoon, heavy rain (snow), thunder and lightning, arid, strong wind, hail, dense fog, haze, sandstorm, high temperature heat wave, low temperature freezing-disaster happen occasionally the weight losses that the disaster kind is many, the distribution region is wide, occurrence frequency is high, cause.Most of disaster by scientific and technical means can obtain that timeliness do not wait than accurate forecast information.Traditional weather information is mainly outwards issued by approach such as TV, newspaper, broadcasting, note, internet, these published methods need a medium transfer process, have the regular hour delay, the public also will come reception information by these medium channels, its arrival rate has loss to a certain degree, thereby has influenced the validity of weather information issue.Therefore, traditional meteorological early warning published method can't be tackled paroxysmal meteorological disaster in time.
Summary of the invention
Goal of the invention:
The utility model provides a kind of dual-channel disaster early-warning information receiving system for solving the problems of the technologies described above.
Technical scheme:
The utility model adopts following technical scheme for achieving the above object:
A kind of dual-channel disaster early-warning information receiving system, comprise cellphone information pretreatment module, DAB receiver information pretreatment module, adapter, mobile phone, DAB receiver, wherein cellphone information pretreatment module, DAB receiver information pretreatment module are connected with adapter respectively, and adapter is connected with mobile phone, DAB receiver respectively.
Further, dual-channel disaster early-warning information receiving system of the present utility model also comprises display, and described display is connected with the DAB receiver.
Further, the cellphone information pretreatment module of dual-channel disaster early-warning information receiving system of the present utility model comprises cellphone information decoder module, first passage processing module and the first memory cell module, wherein the cellphone information decoder module is connected with the first memory cell module with the first passage processing module respectively, and the first memory cell module is connected with the first passage processing module.
Further, the DAB receiver information pretreatment module of dual-channel disaster early-warning information receiving system of the present utility model comprises DAB information decoding module, second channel processing module and the second memory cell module, wherein DAB information decoding module is connected with the second memory cell module with the second channel processing module respectively, and the second memory cell module is connected with the second channel processing module.
Beneficial effect:
The utility model receives by the binary channels early warning information, but the real-time that the assurance early warning information of maximum magnitude receives, accuracy, and coverage is big.
The utility model DAB via satellite receives and GPRS reception dual mode, guarantees the real-time accuracy that early warning information receives to greatest extent; The urban area adopts GPRS to receive, and utilizes the characteristics of satellite communication broad covered area for the rural area of poor signal, western remote districts, realizes accurately receiving in real time of early warning information.Simultaneously, adopt the binary channels of dual mode to receive simultaneously than higher early warning information, perhaps under situation, for guaranteeing the real-time reception of early warning information, the dual fail-safe mode of employing such as the mobile communications network paralysis for warning level.And, realize accurately receiving in real time at DAB receiving terminal structure feedback control unit to early warning information.
The utility model portability is strong, and is low in energy consumption, and volume is small and exquisite, can farthest guarantee life property safety of people.
Description of drawings
Fig. 1 is a system construction drawing of the present utility model.
Fig. 2 is a method of work schematic diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing the technical solution of the utility model is elaborated:
Disclosed all features in this specification, or the step in disclosed all methods or the process except mutually exclusive feature and/or step, all can make up by any way.
Disclosed arbitrary feature in this specification (comprising any accessory claim, summary and accompanying drawing) is unless special narration all can be replaced by other equivalences or the alternative features with similar purpose.That is, unless special narration, each feature is an example in a series of equivalences or the similar characteristics.
As shown in Figure 1, dual-channel disaster early-warning information receiving system of the present utility model, comprise cellphone information pretreatment module, DAB receiver information pretreatment module, adapter, mobile phone, DAB receiver, wherein cellphone information pretreatment module, DAB receiver information pretreatment module are connected with adapter respectively, and adapter is connected with mobile phone, DAB receiver respectively.Comprise also that in addition a display is connected with the DAB receiver.
Wherein the cellphone information pretreatment module comprises cellphone information decoder module, first passage processing module and the first memory cell module, wherein the cellphone information decoder module is connected with the first memory cell module with the first passage processing module respectively, and the first memory cell module is connected with the first passage processing module.DAB receiver information pretreatment module comprises DAB information decoding module, second channel processing module and the second memory cell module, wherein DAB information decoding module is connected with the second memory cell module with the second channel processing module respectively, and the second memory cell module is connected with the second channel processing module.
Binary channels early warning information method of reseptance as shown in Figure 2, this dual-channel disaster early-warning information receiving system can realize that GPRS and two kinds of receive modes of satellite DAB receive early warning information.The GPRS passage receives by the early warning information distribution platform, early warning information is distributed to mobile radio communication, and optionally receives information by the cellphone information pretreatment module, by adapter with the message transmission that receives to the handset displays terminal; Satellite DAB passage at first with disaster early-warning information through distribution platform, by the big-dipper satellite issue, then, receive the early warning information of issue by DAB receiver information pretreatment module selectivity, at last, the early warning information that will need to receive by adapter transfers to the DAB receiving terminal.
Be provided with twin-channel switch in the adapter of the present utility model: GPRS passage receiving key and satellite DAB passage receiving key.The utility model has three kinds of disaster information published methods, is respectively: (1) GPRS mobile phone passage published method; (2) satellite DAB passage published method; (3) binary channels published method;
1. when selecting GPRS mobile phone passage published method, GPRS passage receiving key is connected, and satellite DAB passage receiving key is closed, and adapter transfers to cellphone subscriber's terminal with the disaster early-warning information of issue;
2. when selecting satellite DAB passage published method, satellite DAB passage receiving key is connected, and GPRS passage receiving key is closed, and adapter transfers to the DAB receiving terminal with the disaster early-warning information of issue;
3. when selecting the binary channels published method, GPRS passage receiving key and satellite DAB passage receiving key are connected simultaneously, and adapter transfers to cellphone subscriber's terminal, DAB receiver respectively with the disaster early-warning information of issue.
The GPRS passage receives:
At first, the early warning information with the needs issue transfers to mobile radio communication by all types all departments early warning information distribution platform.Specific implementation is as follows: address information (as Nanjing, Jiangsu Province) that may generation area with disaster is loaded in the corresponding data section in the disaster early-warning information Frame, transfers to mobile radio communication by the early warning information distribution platform, realizes that early warning information sends.
The early warning information of GPRS passage issue mainly is made up of following three parts:
1. the address information that disaster may generation area;
2. early warning information text;
3. the parameter information of early warning information issuing unit, issue department, issuing time and warning level.
Then, receive the early warning information of issue by information pretreatment module selectivity.
The cellphone information pretreatment module mainly realizes two big functions:
1. correctly unpack early warning information content and buffer memory;
2. the information of home location contrast of address code information after extraction unpacks and mobile phone terminal receives with the selectivity that realizes early warning information.
According to above-mentioned two big functions, cellphone information pretreatment module workflow is as follows:
Step 1: the early warning information that receives is unpacked, and the early warning information after unpacking is divided into the ram cell that three sections (the address information section of possible generation area, message text section and parameter information sections) deposit processor in; Simultaneously, extract address code information section after unpacking;
Step 2: the information of home location of cellphone subscriber's terminal that the reception mobile radio communication provides deposits in the ram cell of processor.
Step 3: will extract unpack after address code information and the information of home location of cellphone subscriber's terminal by field relatively, realize that mobile phone terminal receives the selectivity of early warning information.As the address information after unpacking is Nanjing, Jiangsu Province, the information of home location of cellphone subscriber's terminal is Nanjing, Jiangsu Province, then compare successively by the descending order of the field of regional extent, prefecture-level when identical when relatively arriving, then the GPRS channel switch by adapter transfers to cellphone subscriber's terminal with the early warning information of issuing through mobile radio communication, otherwise gives up this information.
Like this, by the GPRS receiver module early warning information that receives optionally is sent to cellphone subscriber's terminal by adapter, the form that the user just can note receives is obtained effective early warning information in real time.
Satellite DAB passage receives:
At first, disaster early-warning information is issued by big-dipper satellite.DAB information issue flow process is as follows:
Step 1 is divided into the early warning information receiving area rectangular area size of n*m.According to the early warning information working range is China's territory covering area (from east longitude 73 degree 40 minutes to east longitude 135 degree 2 minutes and 30 seconds, the north latitude 53 degree 33 minutes area to north latitude 3 degree 52 minutes) is divided into the rectangular area of sizes such as n*m, as n=20, m=30, be that 3 degree 6 minutes are laterally crossed in each zone, longitudinal crossing 1 degree 39 minutes.Address code as region, Beijing is [14,21];
Step 2, address code vector [n, m] that may generation area with disaster is loaded in the corresponding data section in the disaster early-warning information Frame, promptly, the disaster early-warning information that will comprise address code information is by the early warning information distribution platform, by big-dipper satellite issue early warning information (containing the address code vector).
The early warning information of GPRS passage issue mainly is made up of following three parts:
1. the address code vector that disaster may generation area;
2. early warning information text;
3. the parameter information of early warning information issuing unit, issue department, issuing time and warning level.
Then, receive the early warning information of issue by DAB receiver information pretreatment module selectivity.
DAB receiver information pretreatment module mainly realizes following two big functions:
1. correctly unpack the early warning information of issue, and receive buffer memory;
2. the address area information that provides by address code information in the early warning information after unpacking and big-dipper satellite compares, and receives with the selectivity that realizes early warning information.
According to above-mentioned two big functions, the workflow of DAB receiver information pretreatment module is as follows:
Step 1: unpack early warning information, be divided into three sections, deposit in the ram cell of processor, and extract address code information section [n, m];
Step 2: receive the location and the time service information of big-dipper satellite system by Big Dipper antenna, and extract longitude, latitude data message;
Step 3: the latitude, longitude information that big-dipper satellite provides is carried out preliminary treatment, as according to n=20, m=30, the longitude data that is about to receive deducts 73 degree and rounded the value of obtaining x divided by 3 degree 6 minutes and with the result again in 40 minutes, again the DAB machine is received to such an extent that the latitude data deduct 3 degree 52 minutes again divided by 1 degree 39 minutes, and the result rounded the value of obtaining y., with vector [x, y] address code information that obtains of expression, i.e. the regional address sign indicating number of DAB receiving terminal;
Step 4:DAB receiving terminal is by self regional address sign indicating number [x, y] and the address code [n, m] that loads of early warning information Frame relatively, automatic selective reception or abandon early warning information.Inequality as both, then give up this early warning information; Identical as both, then the satellite DAB passage receiving key by adapter transfers to the DAB receiving terminal with the early warning information of issuing.
The DAB receiving terminal mainly comprises: RF unit, A/D unit, baseband decoding unit, display unit, audio output unit and feedback control unit.
Tuning function is mainly finished in the RF unit.The radio frequency DAB signal that this unit receives antenna from Band III (174～230MHz) or L Band (1452～1492MHz) move intermediate frequency (2.048MHz or 38.912MHz).According to the DAB agreement, the RF unit must possess the ability that can receive these two frequency band signals.That here, the RF chip adopts is MAX2170.
The A/D unit is realized the base-band analog signal of RF output is converted to digital signal, thereby makes things convenient for the realization of the DAB digital decoding of back; The chip that the A/D conversion is adopted is the MAX1191 of MAXIM company.
The baseband decoding unit is the core of DAB message pick-up.Its function is for finishing DAB channel-decoding and work such as OFDM demodulation, DQPSK demodulation.The dateout of A/D unit by the baseband decoding unit, under the control of processor, is finished corresponding decoding.
Here, the DAB baseband chip is selected ID200 for use.ID200 is DAB decoder (DAB baseband decoder and the MPEG L2 audio decoder) chip that a area is little, low in energy consumption, can be used for mobile and portable equipment.This chip can carry out 1.5Mbps to the DAB transmission frame decodes at full speed, comprises digital mixing, synchronous/as to follow the tracks of and demodulation.This baseband decoder can be decoded to data in the transmission frame or video information.Decoded data/video information reads the register configuration information of baseband chip inside by linking to each other with the SPI interface of processor, realizes the correct decoded data message that receives.Because therefore integrated 1Mb SRAM need not to add the SRAM memory cell on this baseband decoding chip.
Display unit adopts 3.5 cun liquid crystal color screens, realizes showing in real time from the early warning information that the DAB information receiving module is received.Here, show early warning information and parameters information in real time by Presentation Function backlight.Here, display module is realized control by processor.
Audio output unit is realized broadcasting from the audio frequency of the early warning information that the DAB information receiving module is received.Here, select audio decoder chip MAX9850 for use.Realize control and the transfer of data of processor by the I2C interface to MAX9850.
Feedback control unit is for guaranteeing that further early warning information accurately receives the Control and Feedback of structure in real time.The main two big functions that realize:
1. receive the higher early warning information of warning level as the DAB receiving terminal, and when the user does not manually intervene this information of inquiry, then open indicator light and buzzer switch, feed back to audio output unit by switch, realization is to the continuous speech output of early warning information text, with the prompting user.Further, report when inoperative, feed back to adaptor module and information pretreatment module, then issue current early warning information again, close, normally receive in order to the DAB receiving terminal until indicator light and buzzer switch by switch as continuous speech.
2. receive early warning information as the DAB receiving terminal, and the user carried out manual intervention and inquire about this information, then all kinds of warning informations of Jie Shouing check that rear indicator light is no longer glittering, and buzzer is no longer reported to the police.
Simultaneously, also can enlarge audient's face in the remote districts, rural area by the reception of electronics large-size screen monitors Display Realization early warning information.
As seen, the utility model binary channels early warning information of DAB and GPRS via satellite receives, and can receive the early warning information of all types all departments issue in real time accurately, and wide coverage is portable.Simultaneously, the utility model proposes the method (GPRS passage and satellite DAB passage) that selectivity receives early warning information, can realize that receiving terminal (mobile phone, DAB receiving terminal or electronic display) receives the intelligence of early warning information.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (4)
1. dual-channel disaster early-warning information receiving system, it is characterized in that: comprise cellphone information pretreatment module, DAB receiver information pretreatment module, adapter, mobile phone, DAB receiver, wherein cellphone information pretreatment module, DAB receiver information pretreatment module are connected with adapter respectively, and adapter is connected with mobile phone, DAB receiver respectively.
2. dual-channel disaster early-warning information receiving system according to claim 1 is characterized in that: also comprise display, described display is connected with the DAB receiver.
3. dual-channel disaster early-warning information receiving system according to claim 1, it is characterized in that: described cellphone information pretreatment module comprises cellphone information decoder module, first passage processing module and the first memory cell module, wherein the cellphone information decoder module is connected with the first memory cell module with the first passage processing module respectively, and the first memory cell module is connected with the first passage processing module.
4. dual-channel disaster early-warning information receiving system according to claim 1, it is characterized in that: described DAB receiver information pretreatment module comprises DAB information decoding module, second channel processing module and the second memory cell module, wherein DAB information decoding module is connected with the second memory cell module with the second channel processing module respectively, and the second memory cell module is connected with the second channel processing module.
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| CN2010201728884U CN201657322U (en) | 2010-04-28 | 2010-04-28 | Double-channel disaster warning information receiving system |
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| CN2010201728884U CN201657322U (en) | 2010-04-28 | 2010-04-28 | Double-channel disaster warning information receiving system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012151901A1 (en) * | 2011-08-17 | 2012-11-15 | 中兴通讯股份有限公司 | Alerting method and system, sending end, and receiving end |
| CN103036580A (en) * | 2011-10-10 | 2013-04-10 | 徐州超伟电子设备制造有限公司 | Emergency early-warning receiver capable of receiving and passing back information with binary channel |
-
2010
- 2010-04-28 CN CN2010201728884U patent/CN201657322U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012151901A1 (en) * | 2011-08-17 | 2012-11-15 | 中兴通讯股份有限公司 | Alerting method and system, sending end, and receiving end |
| CN102958004A (en) * | 2011-08-17 | 2013-03-06 | 中兴通讯股份有限公司 | Alarm realizing method, alarm realizing system, alarm transmitting end and alarm receiving end |
| CN103036580A (en) * | 2011-10-10 | 2013-04-10 | 徐州超伟电子设备制造有限公司 | Emergency early-warning receiver capable of receiving and passing back information with binary channel |
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| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20120428 |