CN201444698U - Emergency communication device for wireless cellular phone and wireless local area network - Google Patents
Emergency communication device for wireless cellular phone and wireless local area network Download PDFInfo
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- CN201444698U CN201444698U CN2009200068653U CN200920006865U CN201444698U CN 201444698 U CN201444698 U CN 201444698U CN 2009200068653 U CN2009200068653 U CN 2009200068653U CN 200920006865 U CN200920006865 U CN 200920006865U CN 201444698 U CN201444698 U CN 201444698U
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Abstract
The utility model relates to an emergency communication device for a wireless cellular phone and a wireless local area network, which comprises a wireless user, a wireless access unit, a communication control module, a satellite communication unit, a satellite, a power supply control module and a spare power supply. The wireless user is used for proposing a wireless access request to the wireless access unit, the wireless access unit is used for judging and receiving the wireless access request proposed by the wireless user, the communication of the wireless access unit is controlled by the communication control module, the communication control module is used for detecting whether the communication link has a failure, controlling the switching of communication modes and controlling the communication of the wireless access unit and the satellite communication unit, the satellite communication unit is controlled by the communication control module and is used for the communication of the wireless access unit and the satellite, the satellite is used for communicating the wireless access request and the destination, and the power supply control module is used for detecting whether the external power supply has a failure and controlling the switching of power supplies for communication systems. The utility model solves the problem of emergency communication of the wireless user.
Description
Technical field
The utility model relates to a kind of radio communication device, particularly a kind of wireless emergency communication device.
Background technology
Earthquake is to one of maximum natural calamity of human security harm, and China is located between circum-Pacific seismic belt and the Eurasian earthquake zone, is one of country that seismic activity in the world is the strongest and earthquake disaster is the most serious.7%th, 20 century global continent 35% the earthquake more than 7.0 grades that China accounts for global land surface occurs in China; The dead 1,200,000 philtrum China of 20th century earthquake account for 590,000, occupy first of the various countries.According to " national protection against and mitigation of earthquake disasters planning (2006-2020) ", most of area, China's Mainland is positioned at the above zone of earthquake intensity VI degree; 50% area is positioned at the above territory, earthquake highly seismic region of VII degree, the above big city (the earthquake risk as Beijing, Xi'an, Chengdu, packet header, Tangshan is all relatively large) of million people's mouth that comprises 23 provincial capitals and 2/3, the potential threat of earthquake is huge.Along with the quickening of National urban degree, urban population sharply increases, and violent earthquake causes the risk of huge personnel and building disaster definitely should pay much attention to.
After special disaster such as earthquake takes place, ensure the emergency communication of disaster area policy-making body, guarantee that central authorities, local governments at various levels and commanding agency's running are significant to the disaster relief.Under the existence conditions, after disasters such as earthquake take place, the disaster area power failure, common fixed network is communicated by letter with wireless network and is become extremely unreliable, communication disruption such as landline telephone, mobile phone, Personal Handyphone System, the Internet are all inevitable, cause many places, especially many intensive relatively township, town and even county towns of population become " isolated island " that shuts off oneself from society, and then cause accident rescue command's door to collapse not clear with human mortality's the condition of a disaster to the isolated regional architecture thing of communicating by letter, influence carrying out of rescue work, had influence on the unified plan of government.
With Wenchuan, Sichuan on the 12nd May in 2008 8 grades of special violent earthquake disasters taking place is example, and this earthquake causes the communication disruption of overlarge area, is the communication disruption of overlarge area for the second time on old China hand's trustworthy historical record after the southern ice and snow disaster at the beginning of year 08.After disaster took place, Sichuan, Gansu domestic some areas communication were had a strong impact on, and communicated by letter and interrupt comprehensively in a plurality of severely afflicated areas at county level such as (isolated above 48 hours with external information), Wenchuan.At the disaster relief initial stage, the main channel that obtains information has only Aba state government website.Have only by indivedual marine satellite phones and Aba state government and disaster area are got in touch.Earthquake took place after many days, and the communication in many disaster areas is still interrupted.The communication issue that the 8 grades of special violent earthquake disasters in Wenchuan cause, be fail to set up can be after calamity effective emergency communication system, cause the condition of a disaster to fail in time to distinguish, disaster relief sluggishness in some areas is suffered heavy losses.Simultaneously, after the earthquake, because seismic monitoring data interruption based on wire communication, the earthquake region earthquake is surveyed shake and can't in time be transmitted or lose with the macroseism Monitoring Data, causing earthquake generation development and earthquake disaster to influence situation does not have telemetry, influences the scientific and reasonable of the quick judgement of disaster and the disaster relief.
It is directly that catastrophe such as earthquake generation back fixed network is broken off, and also is inevitable, and also can breaks off based on the up radio communication of fixed network, and reason is returned and studied carefully the problem that exists in its existing wireless communications technology that adopts:
What (1) wireless cell phone communication such as GSM, CDMA, WCDMA at present and wireless LAN communication adopted is that the wireless base station adds mode wired or that microwave is up, its data feedback channel is owing to be confined to adopt copper cable, optical cable, perhaps microwave, when major disaster takes place, copper cable, optical cable and microwave station all may wreck, any radio reception device all can't independently be finished cut-in operation in conventional system, cause communication to carry out.
(2) at present in wireless cell phone communications such as GSM, CDMA, WCDMA and wireless LAN communication, the commanding to government emergency department does not give Special Empower, major disaster or big assembly process take place in, because all ruthless pre-emptions of all users, can cause communication to block up, emergency command information and important communication can't be carried out, and the work of government maybe can't be launched by retardation.
(3) wireless cell phone communication such as GSM, CDMA, WCDMA at present or do not have back-up source, or back-up source off-capacity, the back-up source kind is limited, is not enough to deal with the powerup issue of extreme case.A kind of in the back situation, in case lose external power source, back-up source can only of short durationly be powered.Present wireless LAN communication is not more considered the back-up source problem.
The utility model content
Technology of the present utility model is dealt with problems and is: overcome the deficiencies in the prior art, a kind of wireless cell phone and WLAN (wireless local area network) emergency communication device are provided, solved the problem that the wireless user communicates under the case of emergency.
Technical solution of the present utility model is: wireless cell phone and WLAN (wireless local area network) emergency communication device comprise
Wireless user: be used for proposing the wireless access request to radio reception device;
Radio reception device: judge to receive the wireless access request that the wireless user proposes, control its communication by communication control module;
Communication control module: be used to detect communication link and whether break down, the switching between the control communication pattern, and the communication of control radio reception device and the communication of satellite communication equipment;
Satellite communication equipment:, be used to connect communicating by letter between radio reception device and the satellite by communication control module control;
Satellite: the destination of being responsible for connecting the wireless access request;
Energy supply control module: be used to detect external power supply and whether break down, the switching between control communication system power supply;
And stand-by power supply.
Described communication link comprises general communication link and emergency satellite communication link.
Described general communication link is optical cable, copper cable or microwave communications link.
Described emergency satellite communication link comprises satellite communication equipment and satellite.
Described wireless user is wireless cell phone user or wireless local network user.
Described radio reception device is antenna for base station, WiMAX WIFI antenna, cell phone system, router or Ethernet equipment.
Described stand-by power supply be among storage battery, solar cell, generator, the uninterrupted power supply UPS any or appoint several combinations.
The utility model compared with prior art has following advantage:
(1) the utility model makes this communicator comprise general communication pattern and two kinds of patterns of emergency communication pattern by increasing emergency communication equipment, and communicator is in the general communication pattern under the normal condition, and communicator is in the emergency communication pattern under the case of emergency; Compare present communicator, can be under cases of emergency such as the condition of a disaster burst in time get in touch, the maintenance information opened with the external world.When the normal uplink of wireless cell phone communication and wireless LAN communication is destroyed, enable standby satellite communication link as up link, and existing wireless cell phone communication and WLAN (wireless local area network) do not possess this function.
(2) the utility model allows the interim or permanent Special Empower to the user, preferentially to authorized user or only to authorized user open communication business, when channel crowds (as big assembly) or enables satellite communication link, insertion authority user, or preferential insertion authority user, thereby ensured the communication requirement of authorized user in particular cases.And present wireless cell phone communication and WLAN (wireless local area network) do not possess this function.
(3) the utility model adopts standby satellite communication link and overlength (more than three days) stand-by power supply, can guarantee the emergency communication demand of authorized user in the long time, avoids occurring communication isolated island phenomenon.When the external power supply of wireless cell phone communication and wireless LAN communication is destroyed, automatically enable standby generating set, solar cell or storage battery etc. as power supply, and existing wireless cell phone communication and WLAN (wireless local area network) connecting system do not possess the overlength function of supplying power.
(4) the utility model can carry out timing automatic to standby satellite communication link and detects, and has ensured the unimpeded of satellite communication link under the emergency rating.
Description of drawings
Fig. 1 is wireless cell phone and the WLAN (wireless local area network) emergency communication device schematic diagram of the utility model embodiment;
Fig. 2 is wireless cell phone and the WLAN (wireless local area network) emergency communication wireless access flow chart of the utility model embodiment;
Fig. 3 is the emergency service schematic diagram of the utility model embodiment.
Embodiment
Below with reference to accompanying drawing embodiment of the present utility model is described.
Wireless cell phone and WLAN (wireless local area network) emergency communication device are as shown in Figure 1.This communicator comprises wireless user's (cell phone, radio networking device), radio reception device (antenna for base station, WiMAX WIFI antenna, cell phone system, router or other Ethernet equipment), communication control module, satellite communication equipment, satellite, energy supply control module and stand-by power supply.The wireless user is used for proposing the wireless access request to radio reception device; Radio reception device is judged the wireless access request that receives wireless user's proposition, controls its communication by communication control module; Whether communication control module is used to detect communication link and breaks down, the switching between the control communication pattern, and the communication of control radio reception device and the communication of satellite communication equipment; Satellite communication equipment is controlled by communication control module, is used to connect communicating by letter between radio reception device and the satellite; Satellite is responsible for connecting the destination of wireless access request or is transferred to the destination through the terrestrial repetition station, and satellite adopts ChinaStar-1 (satellite that possesses communication function all can, as marine satellite, iridium satellite etc.) in the present embodiment; Whether energy supply control module is used to detect external power supply and breaks down, the switching between control communication system power supply; Stand-by power supply has the ultra-delay performance, can communication system that supports work more than 3 days.
Described general communication link is optical cable, copper cable or microwave communications link, and described emergency satellite communication link comprises satellite communication equipment and satellite.Satellite communication equipment adopts German ND SatCom company to produce in the present embodiment
IDU 7000 SERIES (the similar functions product of other company also can), signaling interface can adopt E1/T1 (G.703)/ISDN BRI for voice/data/PRI or Dual-Ethernet interface.
Communication control module is controlled switching of this communication system uplink communication link, energy supply control module is controlled switching of this communication system power supply, antenna for base station is responsible for inserting wireless cell phone, the WIFI antenna is responsible for inserting wireless local network user, cell phone system generally includes the base station to second generation communication system, base station controllers etc. provide the part of service for wireless cell phone, router or other Ethernet equipment provide service for wireless local network user, UPS is interchange with the storage battery dc inversion, battery monitor monitoring battery-operated state, controller for solar arrives storage battery with the power storage of solar cell output.
This communicator is in the general communication pattern under the normal condition, by communications such as optical cable, copper cable, microwaves.When communication control module detects the general communication link and breaks down (as the destruction earthquake), this communicator switches to the emergency communication pattern: the wireless user proposes the wireless access request to radio reception device, after described radio reception device receives the wireless access request, judge whether described wireless user is authorized user, if, then radio reception device receives the wireless access request, communication equipment connects satellite via satellite, is connected the destination of wireless access request or is transferred to the destination through the terrestrial repetition station by described satellite; If not, then radio reception device refusal wireless access request.When communication control module detects the elimination of general communication link failure, communication system is switched back to the general communication pattern.Access process as shown in Figure 2.
The fault of uplink communication link comprises multiple situations such as communication information integrality, communication disruption, if communication control module is found the relevant signaling in the Operation and maintenance link and the chain rupture alarm occurred, judge that then outage has appearred in the uplink communication link, this communicator is automatically switched to the emergency communication pattern or the notified on authorization user switches to the emergency communication pattern with it.After communication control module judges that uplink communication link down fault is eliminated, be the general communication pattern with this communicator automatic switchover or notified on authorization user manual switching.
In the database of communication control module, import authorization user information in advance; Communication system is in the general communication pattern under the normal condition, if authorized user starts the emergency communication pattern, then communication system switches to the emergency communication pattern; If authorized user is closed the emergency communication pattern, then communication system switches to the general communication pattern.
Under the emergency communication pattern, communication control module is compared the communication request and the predefined authorization user information of database that receive, if belong to the communication request that authorized user sends, then ensure this user's communications demand, its concrete way to manage is similar to the pre-payment mobile phone (has telephone expenses then to serve, the then forced interruption conversation of no telephone expenses, different is the inefficacy of avoiding wired system, authorization data all is stored in the radio access station communication control module).When described authorized user is the wireless cell phone user, by wireless cell phone user's the SIM card and the database comparison of described communication control module are carried out the authorized user identities authentication, when described authorized user is wireless local network user, carries out the authorized user authentication or carry out the authorized user authentication according to MAC Address by username and password etc.
Communication control module regularly detects automatically to the satellite communication link that is made of satellite communication equipment and satellite: the regular trace routine of establishment in communication control module, described communication control module every day (as some every days 9) is to satellites transmits link test information, described detecting information returns ground via satellite, and described communication system is understood the detecting information that returns; If the detecting information that returns is consistent with the detecting information that sends, judge that then satellite communication link is normal; Otherwise, if the detecting information that returns is inconsistent with the detecting information that sends, judge that then satellite communication link breaks down, send trouble hunting information.
When energy supply control module detects external power supply and breaks down, this communicator is switched to stand-by power supply; When energy supply control module detects the external power supply fault recovery, this communicator is switched back to external power supply.
Energy supply control module when back-up system operate as normal (be lower than 200V as civil power, can not) when detecting external power supply and drop into to a certain degree thinks that promptly external power supply breaks down, and realizes the seamless automatic switchover of power supply; Energy supply control module is when detecting external power supply voltage in a period of time and be raised to a certain degree, think that promptly external power supply recovers, automatically the switchback external power supply (is similar on line type UPS, but can realize management, and can and realize manual intervention) with the central control system swap data to multiple electric source modes such as solar energy, generators.
As shown in Figure 3, the stand-by power supply of present embodiment is the combination (stand-by power supply also can be any among storage battery, solar cell, generator, the uninterrupted power supply UPS) of batteries, solar panel, generating set and uninterrupted power supply UPS.Described batteries is by the control of battery monitor device, and described solar panel is controlled by controller for solar.The STP175S-24/Ab-1 that solar panel adopts STP Utilities Electric Co. to produce, the Hipulse that UPS adopts Emerson Network Power CO., Ltd to produce.
In the practice, energy supply control module and communication control module can be separate equipment, and this equipment comprises hardware or software, also can be integrated circuit boards of wireless cell phone communication and WLAN communication device, perhaps only are one section software programs.
With the county, big small towns or be unit with certain average population (as 100,000 people), set up a wireless cell phone and a WLAN (wireless local area network) emergency communication system based on fixed network and satellite dual mode communication, this system can automatically switch into the satellite communication pattern that can independently bear cut-in operation under emergency rating, the emergency command leading member can use mobile phone rapidly channel contact is extraneous and interknit via satellite in the support area after the condition of a disaster burst, notify the condition of a disaster at once, help higher level's department's unified plan of fighting calamities and providing relief, avoid causing big communication " isolated island " (as the county town, Wenchuan after 5.12 earthquakes).The back stand-by power supply is broken off in external power supply by this system can support three days at least.
The content that is not described in detail in the utility model specification belongs to this area professional and technical personnel's known technology.
The above; it only is preferred embodiment of the present utility model; be not that the utility model is done any pro forma restriction, every according to technical spirit of the present utility model to any modification, equivalent variations and modification that above embodiment did, all still belong to protection range of the present utility model.
Claims (7)
1. wireless cell phone and WLAN (wireless local area network) emergency communication device is characterized in that: comprise
Wireless user: be used for proposing the wireless access request to radio reception device;
Radio reception device: judge to receive the wireless access request that the wireless user proposes, control its communication by communication control module;
Communication control module: be used to detect communication link and whether break down, the switching between the control communication pattern, and the communication of control radio reception device and the communication of satellite communication equipment;
Satellite communication equipment:, be used to connect communicating by letter between radio reception device and the satellite by communication control module control;
Satellite: the destination of being responsible for connecting the wireless access request;
Energy supply control module: be used to detect external power supply and whether break down, the switching between control communication system power supply;
And stand-by power supply.
2. wireless cell phone according to claim 1 and WLAN (wireless local area network) emergency communication device is characterized in that: described communication link comprises general communication link and emergency satellite communication link.
3. wireless cell phone according to claim 2 and WLAN (wireless local area network) emergency communication device is characterized in that: described general communication link is optical cable, copper cable or microwave communications link.
4. wireless cell phone according to claim 2 and WLAN (wireless local area network) emergency communication device is characterized in that: described emergency satellite communication link comprises satellite communication equipment and satellite.
5. wireless cell phone according to claim 1 and WLAN (wireless local area network) emergency communication device is characterized in that: described wireless user is wireless cell phone user or wireless local network user.
6. wireless cell phone according to claim 1 and WLAN (wireless local area network) emergency communication device is characterized in that: described radio reception device is antenna for base station, WiMAX WIFI antenna, cell phone system, router or Ethernet equipment.
7. wireless cell phone according to claim 1 and WLAN (wireless local area network) emergency communication device is characterized in that: described stand-by power supply be among storage battery, solar cell, generator, the uninterrupted power supply UPS any or appoint several combinations.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200068653U CN201444698U (en) | 2009-03-25 | 2009-03-25 | Emergency communication device for wireless cellular phone and wireless local area network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009200068653U CN201444698U (en) | 2009-03-25 | 2009-03-25 | Emergency communication device for wireless cellular phone and wireless local area network |
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| CN201444698U true CN201444698U (en) | 2010-04-28 |
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| CN2009200068653U Expired - Fee Related CN201444698U (en) | 2009-03-25 | 2009-03-25 | Emergency communication device for wireless cellular phone and wireless local area network |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997595A (en) * | 2010-12-03 | 2011-03-30 | 北京中交通信科技有限公司 | Satellite-based emergency communication method, device and system |
| CN106100864A (en) * | 2016-05-19 | 2016-11-09 | 黑龙江天元时代自动化仪表有限公司 | A kind of communications management system of seismograph station |
| CN106209201A (en) * | 2016-06-24 | 2016-12-07 | 中国电子进出口总公司 | A kind of air-defence critical area position communication system |
-
2009
- 2009-03-25 CN CN2009200068653U patent/CN201444698U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101997595A (en) * | 2010-12-03 | 2011-03-30 | 北京中交通信科技有限公司 | Satellite-based emergency communication method, device and system |
| CN106100864A (en) * | 2016-05-19 | 2016-11-09 | 黑龙江天元时代自动化仪表有限公司 | A kind of communications management system of seismograph station |
| CN106209201A (en) * | 2016-06-24 | 2016-12-07 | 中国电子进出口总公司 | A kind of air-defence critical area position communication system |
| CN106209201B (en) * | 2016-06-24 | 2020-08-28 | 中国电子进出口总公司 | Air defense position communication system |
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Legal Events
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100428 Termination date: 20110325 |