CN204557199U - A kind of surface-monitoring equipment and system - Google Patents
A kind of surface-monitoring equipment and system Download PDFInfo
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- CN204557199U CN204557199U CN201520249647.8U CN201520249647U CN204557199U CN 204557199 U CN204557199 U CN 204557199U CN 201520249647 U CN201520249647 U CN 201520249647U CN 204557199 U CN204557199 U CN 204557199U
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Abstract
The utility model discloses a kind of surface-monitoring equipment and system, equipment comprises: multilink data receiving circuit, for all purpose aircraft information receiving ADS-B land station, Big Dipper ground receiving equipment, ground moving base station send, wherein said ADS-B land station, Big Dipper ground receiving equipment, ground moving base station are respectively and form ADS-B communication link, Beidou communication link and mobile communication link between airborne equipment; Multilink data commutation circuit, for the predetermined priority order according to described ADS-B communication link, mobile communication link and Beidou communication link, switches and selects the highest communication link of current priority to export described all purpose aircraft information; Data transmit circuit, sends to user for the described all purpose aircraft information described multilink data commutation circuit exported.The utility model can make this surface-monitoring equipment be in best communication link all the time, thus ensures the reliable and stable output of aircraft information.
Description
Technical field
The utility model relates to all purpose aircraft navigation monitoring field, is specifically related to a kind of surface-monitoring equipment and system.
Background technology
General Aviation (General Aviation), refer to and use civil aircraft to be engaged in Civil Aviation Activities beyond public air transport, comprise the flying activity being engaged in the aspects such as industry, agricultural, forestry, the operation flight of fishery and building industry and health care, rescue and relief work, aerological sounding, marine monitoring, scientific experiment, education and training, culture and sports.The flight range of General Aviation is low altitude airspace, because the aircraft in General Aviation is different from the commercial aircraft being engaged in public air transport, its flight line, highly not fixing, can change at any time in flight course, in order to ensure aerial target flight safety, prevent aerial target from bumping against, air traffic control department need monitor the flight progress of each aerial object in General Aviation and flight position.
In recent years, along with the fast development of General Aviation, navigation operation hourage and scope of work continuous enlargement, the domestic demand to common aero vehicle communication and navigation supervision service is more and more urgent.But, common aero vehicle existing communication monitors that means are single very high frequency(VHF) (VHF) speech mode, do not have effective operation monitoring means, compared with transport aviation, navigation is faced with the problems such as moving target navigation data is deficient, means of communication is single, ground surveillance command & control difficulty.In order to solve the single problem of means of communication, Chinese invention patent (application number: 201410536247.5, the applying date: 2014.10.11) disclose a kind of portable ADS-B mobile system with 3G function, it adopts two kinds of data link to complete airborne navigation information the issuing of control system earthward, and serving aircraft information the uploading to airborne equipment that ground control system provides, but it does not still have extensive adaptability, the data link kind utilized is less, in uploading in serving aircraft information, 3G link is only had to use, this link is not suitable for remote mountain areas, thus unrealized ground control system is to the region all standing that airborne equipment information is uploaded.The developing direction of General Aviation air control is the navigation communication monitoring system adopting several data link, utilizes learning from other's strong points to offset one's weaknesses and backuping each other of several data link, completes the region all standing to all purpose aircraft monitoring and controlling.Navigation communication monitoring system is generally made up of airborne equipment and surface-monitoring equipment Liang great department, this patent (application number: 201410536247.5, the applying date: 2014.10.11) what mainly set forth is airborne equipment design proposal, surface-monitoring equipment is not described.
Chinese invention patent (application number: 201410091831.4, the applying date: 2014.03.13) disclose a kind of communication and navigation surveillance based on multimode data link, specifically comprise mobile system, Big Dipper command type terminal, ADS-B land station, land mobile communication MC base station and central station; Described mobile system, primary responsibility receives the navigator fix information from GPS/ big-dipper satellite network, and with Big Dipper command type terminal, ADS-B land station, land mobile communication MC base station interconnection, all purpose aircraft navigation information is issued to central station, the control information that navigation information and central station are uploaded is presented on airborne display terminal simultaneously.The data receiver of described central station primary responsibility several data link, data link management, navigation data processing and assessment of risks.
This patent (application number: 201410091831.4, the applying date: 2014.03.13) fully utilizes the communication and navigation supervision problem that several data link scheme solves all purpose aircraft.But it is for surface-monitoring equipment, the aircraft data that namely how central station specifically processes from several data link has only done simple declaration.Because the agreement between different link has larger difference, data layout, data content, data updating rate and data delay also have larger difference, therefore, how to break the barrier between various Data-Link, between Data-Link and infosystem, all types of Data-Link is worked in coordination with work efficiently, the output of aircraft position information stability and aircraft states information are output into the problem that is needed badly solution by process that how surface-monitoring equipment carries out different link data in real time, and this is related to, and aircraft data is safe and reliable stably to be exported thus realize air control monitoring.
In addition, this patent (application number: 201410091831.4, the applying date: 2014.03.13) data after central station process directly export to user, not according to different rights and the customized demand of different user (as Control Centre, navigation airport, safety regulator, navigation company etc.), for different user provides the Data distributing of otherness.
Summary of the invention
The purpose of this utility model is to overcome above-mentioned deficiency existing in prior art, the utility model embodiment provides a kind of surface-monitoring equipment and system, realize the process to different link data, aircraft position information stability is exported and aircraft states information is exported in real time.
The further object of the utility model is to provide a kind of surface-monitoring equipment and system, realizes the different rights according to different user and customized demand, for different user provides the Data distributing of otherness.
In order to realize goal of the invention, the concrete technical scheme that the utility model adopts is:
A kind of surface-monitoring equipment, comprising:
Multilink data receiving circuit, for all purpose aircraft information receiving ADS-B land station, Big Dipper ground receiving equipment, ground moving base station send, wherein said ADS-B land station, Big Dipper ground receiving equipment, ground moving base station are respectively and form ADS-B communication link, Beidou communication link and mobile communication link between airborne equipment;
Multilink data commutation circuit, for the priority orders according to described ADS-B communication link, mobile communication link and Beidou communication link, switches and selects the highest communication link of current priority to export described all purpose aircraft information;
Data transmit circuit, sends to user for the described all purpose aircraft information described multilink data commutation circuit exported.
Preferably, described priority orders is followed successively by from high to low: ADS-B communication link, mobile communication link, Beidou communication link.
Preferably, described multilink data commutation circuit is according to specifically comprising:
Associated circuit, for receive described multilink data receiving circuit export all purpose aircraft information after, utilize all purpose aircraft exclusive identification code, carry out operation associated with all purpose aircraft prestored;
Data processing circuit, for this all purpose aircraft information received directly being stored when associating unsuccessfully, judges the communications status of this all purpose aircraft three communication link when being successfully associated:
If ADS-B communication link state is effectively, then not handoff links, keeps the process and the renewal that ADS-B communication link are issued to the positional information in all purpose aircraft information;
If ADS-B communication link state was for losing efficacy, but mobile communication link communication state be effective, then by link switching to mobile communication link, perform the process and the renewal that mobile communication link are issued to the positional information in all purpose aircraft information;
If ADS-B communication link and mobile communication Link State are all lost efficacy, but Beidou communication link communication state be effective, then by link switching to Big Dipper link, perform the process and the renewal that Big Dipper link are issued to the positional information in all purpose aircraft information.
Preferably, data processing circuit in described multilink data commutation circuit is also current for no matter, and which kind of communication link what be switched to be, the identification information in all purpose aircraft information all received three kinds of links, status information, short message merge and export.
Preferably, described surface-monitoring equipment also comprises:
Data Analysis checking circuit, be connected between described multilink data receiving circuit and multilink data commutation circuit, for the ADS-B message, the mobile communication message that export described multilink data receiving circuit with Big Dipper message data is resolved and integrity verification, if find in resolving that message content exists necessary information disappearance, then by packet loss, and the transmission source of record disappearance message, the described communication link sending source and comprise aircraft address code and send data.
Preferably, described surface-monitoring equipment also comprises:
Aircraft collision alert circuit, be connected between described multilink data commutation circuit and data transmit circuit, state analysis and the collision detection of aircraft is completed for the aircraft position information that exports according to described multilink data commutation circuit process and status information, if judge there is conflict early warning in aircraft, then collision alert information is sent to described data transmit circuit; Described data transmit circuit also for sending to user by collision alert information together with aircraft position information, identification information, status information.
Preferably, described surface-monitoring equipment also comprises:
Ground control command treatment circuit, receives ground control command for real-time listening, carries out dissection process to described ground control command, and/or, local backup is carried out to described ground control command;
Walking circuit is uploaded in order, be connected with described ground control command treatment circuit, for according to the Link State of described ADS-B communication link, Beidou communication link and mobile communication link and described ground control command type, best communication link is selected the ground control command after the control command processing circuit processes of described ground to be sent to the airborne equipment of all purpose aircraft.
Preferably, described data transmit circuit comprises:
Data query extracts circuit, is connected with described multilink data commutation circuit output terminal, for according to the authority of different user prestored and demand information, filters the different information datas of all purpose aircraft after the process of extraction described multilink data commutation circuit;
Data dissemination circuit, extracts circuit output end with described data query and is connected, and the different information datas of filtering all purpose aircraft extracted for described data query being extracted circuit are distributed to different users.
Further, described data transmit circuit also comprises: memory circuit, extracts circuit be connected with described data query, for storing authority and the demand information of described different user.
The utility model embodiment also provides a kind of ground monitoring system, comprise airborne equipment, communication linkage is distinguished in described airborne equipment and ADS-B land station, Big Dipper ground receiving equipment, ground moving base station, it is characterized in that, also comprise the surface-monitoring equipment as above-described embodiment, described surface-monitoring equipment and described ADS-B land station, Big Dipper ground receiving equipment and ground moving base station communication linkage respectively.
The utility model compared with prior art, it has following technological merit: surface-monitoring equipment described in the utility model receives simultaneously and processes ADS-B link, Beidou communication link and mobile communication link data, by to three kinds of link information types, usable range, transmission delay, the analysis of the aspect such as turnover rate and interference free performance, determine a kind of communication link automatic switchover priority orders, utilize this priority orders to switch and select the highest communication link of current priority to export described all purpose aircraft information, again the described all purpose aircraft locating information that described multilink data commutation circuit exports is sent to user, can ensure that the communication of surface-monitoring equipment and all purpose aircraft is in best communication link all the time like this, thus ensure to export stable for aircraft locating information, thus realize the reliable and stable acquisition of air control necessary for monitoring data.Further, the present invention is while carrying out multilink switching, the aircraft identification information also issued by three kinds of communication links, status information, short message merge, thus ensure that all purpose aircraft status information exports in real time, thus realize the real-time monitoring of air control monitoring to all purpose aircraft.Further, after surface-monitoring equipment of the present utility model completes aircraft information processing, be accomplished to the Data dissemination of each user terminal according to the different rights of user and customized demand, to realize differentiation information sharing service.
Accompanying drawing illustrates:
Fig. 1 is the surface-monitoring equipment circuit block diagram shown in the utility model embodiment 1;
Fig. 2 is the surface-monitoring equipment circuit block diagram shown in the utility model embodiment 2;
Fig. 3 is the surface-monitoring equipment circuit block diagram shown in the utility model embodiment 3;
Fig. 4 is the data transmit circuit block diagram in the utility model embodiment 4;
Fig. 5 is the ground monitoring system schematic diagram shown in the utility model embodiment 5.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail.But this should be interpreted as that the scope of the above-mentioned theme of the utility model is only limitted to following embodiment, all technology realized based on the utility model content all belong to scope of the present utility model.
The General Aviation surface-monitoring equipment that the utility model proposes is as one of multilink navigation communication monitoring system important composition, three kinds of communication links are utilized with airborne equipment, comprise ADS-B communication link, Beidou communication link, mobile communication link, carry out all purpose aircraft navigation information and ground control command is mutual.
Embodiment 1
Be illustrated in figure 1 a kind of surface-monitoring equipment that the utility model embodiment 1 provides, comprise multilink data receiving circuit 101, multilink data commutation circuit 102 and data transmit circuit 103 that signal successively connects.
Described multilink data receiving circuit 101 is realized by Arduino ENC28J60 ethernet module, for receiving all purpose aircraft information obtained by ADS-B land station, Big Dipper ground receiving equipment, ground moving base station, wherein said ADS-B land station, Big Dipper ground receiving equipment, ground moving base station are respectively and form ADS-B communication link, Beidou communication link and mobile communication link between airborne equipment; Described ADS-B land station, Big Dipper ground receiving equipment, ground moving base station are communicated by dedicated communications network respectively with between described multilink data receiving circuit 101.
Described multilink data commutation circuit 102 comprises associated circuit and data processing circuit (not shown), for the priority orders according to described ADS-B communication link, mobile communication link and Beidou communication link, switch and select the highest communication link of current priority to export described all purpose aircraft information.Associated circuit receives the navigation information that multilink data receiving circuit 101 exports, and completes navigation historical information and extracts, navigation historical information and up-to-date information are input to data processing circuit by relating module.Associated circuit is realized by 32 8-digit microcontrollers based on ARM Cortex-M3 kernel, and data processing circuit is realized by the OMAPL138 102 of TI 6000 serial band DSP and ARM double-core.
Described data transmit circuit 103 is realized by Arduino ENC28J60 ethernet module, sends to user for the described all purpose aircraft information described multilink data commutation circuit 102 exported by dedicated communications network.
All purpose aircraft navigation information, status information and short message by three kinds of communication links, are comprised ADS-B communication link, mobile communication link, Beidou communication link, are issued to surface-monitoring equipment by current multilink navigation communication monitoring system.Because the agreement between different link has larger difference, data layout, data content, data updating rate and data delay also have larger difference.Surface-monitoring equipment of the present utility model adopts multilink automatic switchover output aircraft track and aircraft states information to guarantee the low complex degree of data processing method, ensures that the stable output of aircraft position information and aircraft states information export in real time simultaneously.
Based on this handover mechanism, the utility model surface-monitoring equipment is monitored and after selecting optimum communications channel, the aircraft navigation information from this optimum communications channel is set to priority the highest, and processes corresponding aircraft position information and export.Meanwhile, when optimum data can not be provided to transmit when the communication link channel deterioration used, surface-monitoring equipment automatically switches to current optimum communications channel, to ensure the stable output of surface-monitoring equipment to aircraft navigation positional information.
The utility model processes different link data, according to ADS-B communication link, the priority orders of mobile communication link and Beidou communication link, switch and select the highest communication link of current priority to export described all purpose aircraft information, again the described all purpose aircraft information that described multilink data commutation circuit exports is sent to user, this surface-monitoring equipment and airborne equipment can be made so to be all the time in best communication link, thus ensure aircraft information (as positional information, status information) stable output, thus realize the reliable and stable acquisition of air control necessary for monitoring data.
Concrete, described predetermined priority order is followed successively by from high to low: ADS-B communication link, mobile communication link, Beidou communication link.Inventor carries out research to the advantage of three kinds of data link and deficiency and finds.It is fast that ADS-B communication link has Data Update, and the feature that communication delay is little is the important link of aircraft navigation information transmitting, but there is the not strong shortcoming of data layout extendability, and this link can not be used to realize issuing of the self-defined note of pilot.In addition, under urban district low-latitude flying environment, stop owing to there is non line of sight, the reliability of mobile communication link will obviously be better than the ADS-B communication link based on line-of-sight propagation and the Beidou communication link based on satellite reception, but for mobile communication link, base station is then the maximum deficiency of this link to spacing wave covering inequality and propagation delay time.In the remote districts that ADS-B equipment and mobile communication signal cannot cover, the effect that Beidou communication link plays is more remarkable, but the data that Beidou communication link is subject to transmit the restriction of turnover rate, and transmission frequency is far below ADS-B communication link and mobile communication link.
Based on the physical characteristics of different link, the consideration of turnover rate, in the utility model by the default priority of three kinds of communication link settings be from high to low: ADS-B communication link, mobile communication link, Beidou communication link.No matter surface-monitoring equipment receives the aircraft data issued from several link simultaneously, optimum communications channel is elected as the highest data link of current priority, ensures that the reliable of data accurately receives and export.
Below described multilink data commutation circuit 102 is made and illustrating.Described multilink data commutation circuit 102 comprises associated circuit and the data processing circuit (not shown) of signal connection.Described associated circuit is realized by 32 8-digit microcontrollers based on ARM Cortex-M3 kernel, for receive described multilink data receiving circuit export all purpose aircraft information after, utilize all purpose aircraft exclusive identification code, carry out operation associated with all purpose aircraft prestored; Described data processing circuit is realized by the OMAPL138 102 of TI 6000 serial band DSP and ARM double-core, for this all purpose aircraft information received directly being stored when associated circuit associates unsuccessfully, judging the communications status of this all purpose aircraft three communication link when being successfully associated, being specially:
If ADS-B communication link state is effectively, then not handoff links, keeps the process and the renewal that ADS-B communication link are issued to the positional information in all purpose aircraft information;
If ADS-B communication link state was for losing efficacy, but mobile communication link communication state be effective, then by link switching to mobile communication link, perform the process and the renewal that mobile communication link are issued to the positional information in all purpose aircraft information;
If ADS-B communication link and mobile communication Link State are all lost efficacy, but Beidou communication link communication state be effective, then by link switching to Big Dipper link, perform the process and the renewal that Big Dipper link are issued to the positional information in all purpose aircraft information.
Concrete, automatically switching and merge flow process in multiple D-chain road: arranges an all purpose aircraft information bank (DB) in surface-monitoring equipment for preserving all purpose aircraft information monitored, as positional information, identification information, status information, pilot's manually input information etc.After surface-monitoring equipment receives a new aircraft message, utilize all purpose aircraft exclusive identification code (24 destination address codes, AA code), all purpose aircraft stored with information bank DB associates, and finds this all purpose aircraft historical information.If associate with DB unsuccessfully, illustrate that surface-monitoring equipment first time receives this aircraft information, then direct stored in DB.If be successfully associated with DB, first judge this aircraft three link communication states.If ADS-B link communication state is effectively, then not handoff links, keeps the process and the renewal that ADS-B link are issued to aircraft position information.If ADS-B link communication state was for losing efficacy, but mobile communication link communication state be effective, then by link switching to mobile communication link, perform the process and the renewal that mobile communication link are issued to aircraft position information.If ADS-B link and mobile communication Link State are all lost efficacy, and Big Dipper link communication state be effective, then by link switching to Big Dipper link, perform the process and the renewal that Big Dipper link are issued to aircraft position information.Wherein, to link communication state judgment basis be: three kinds of link communication turnover rates of real-time statistics aircraft are also stored in DB, if the difference detecting certain link communication turnover rate and theoretical renewal rate is greater than threshold T, then judge that this link communication lost efficacy.
In a preferred embodiment, data processing circuit in described multilink data commutation circuit 102 is also current for no matter, and which kind of communication link what be switched to be, the identification information in all purpose aircraft information all issued the three kinds of links received (i.e. ADS-B communication link, mobile communication link, Beidou communication link), status information, short message merge and export.Communication link automatic switchover mechanism is the stable output in order to ensure aircraft position information, but the aircraft information that different link communication issues is not identical yet, the self-defined note of pilot as airborne equipment input can only be issued by mobile communication link and Big Dipper link, in addition, the identification information of aircraft and status information also can be upgraded by any one of three kinds of links.So while carrying out link switching, the aircraft identification information also needing three communication links to issue, status information, short message merge.Finally, surface-monitoring equipment sends to aircraft collision alert circuit to the aircraft position information after data processing and the status information after merging under handover mechanism, realizes state analysis and the collision detection of all purpose aircraft, ensures flight safety.
Embodiment 2:
Referring to Fig. 2, the difference of the present embodiment and embodiment 1 is that this equipment also comprises Data Analysis checking circuit 104, this circuit is realized by 32 8-digit microcontrollers based on ARM Cortex-M3 kernel, for the ADS-B message, the mobile communication message that export described multilink data receiving circuit with Big Dipper message data is resolved and integrity verification, if find in resolving that message content exists necessary information disappearance, then by packet loss, and the transmission source of record disappearance message, the described communication link sending source and comprise aircraft address code and send data.The integrality receiving data can be ensured like this, ensure the stable output of aircraft information further.If analytic message content intact, message is sent to multilink data commutation circuit 102.
This surface-monitoring equipment also comprises aircraft collision alert circuit 105, this circuit is realized by 32 8-digit microcontrollers based on ARM Cortex-M3 kernel, aircraft position information and status information for processing output according to described multilink data commutation circuit 102 complete state analysis and the collision detection of aircraft, if judge there is conflict early warning in aircraft, then collision alert information is sent to described data transmit circuit 103; Collision alert information is sent to user by described data transmit circuit 103 together with aircraft position information, identification information, status information, thus realizes state analysis and the collision detection of all purpose aircraft, ensures flight safety.In the present embodiment by aircraft collision alert circuit 105 and Data Analysis checking circuit 104 within one device integrated, ensure Data Analysis verification integrality basis on ensure flight safety, can certainly one of them circuit be set separately.
Embodiment 3:
Referring to Fig. 3, in the present embodiment this surface-monitoring equipment also comprise signal connect ground control command treatment circuit 106 and order upload walking circuit 107, described ground control command treatment circuit 106 is realized by 32 8-digit microcontrollers based on ARM Cortex-M3 kernel, ground control command is received for real-time listening, dissection process is carried out to described ground control command, and/or, local backup is carried out to described ground control command; Described order is uploaded walking circuit 107 and is realized by 32 8-digit microcontrollers based on ARM Cortex-M3 kernel, for according to the Link State of described ADS-B communication link, Beidou communication link and mobile communication link and described ground control command type, ground control command after selecting best communication link to be processed by described ground control command treatment circuit 106 sends to the airborne equipment of all purpose aircraft, ensure the effective control command transmission of ground in the face of aerial aircraft, be convenient to carry out monitoring Navigation Control to flight.
Surface-monitoring equipment carries out real-time listening to the ground control command that user terminal sends, the ground control command received is processed, and local backup is carried out to ground control command, according to three communication link states and control command particular type, select best communication link to send to the airborne equipment of aircraft, be convenient to carry out monitoring Navigation Control to flight.
Embodiment 4:
Referring to Fig. 1-4, the difference of the present embodiment and above-described embodiment 1,2 or 3 is only that described data transmit circuit 103 comprises data query and extracts circuit 1031 and Data dissemination circuit 1032.Described data query extracts circuit 1031 and is realized by 32 8-digit microcontrollers based on ARM Cortex-M3 kernel, for according to the authority of different user prestored and demand information, filter extract described multilink data commutation circuit 102 process after the different information datas of all purpose aircraft; Described Data dissemination circuit 1032 is realized by 32 8-digit microcontrollers based on ARM Cortex-M3 kernel, and the different information datas of filtering all purpose aircraft of extraction for data query being extracted circuit 1031 are distributed to different users.
Concrete, this data transmit circuit 103 comprises memory circuit 1033(as EEPROM storage chip), extract circuit 1031 with described data query and be connected, for storing authority and the demand information of described different user.
After surface-monitoring equipment completes aircraft information processing, need the Data dissemination being accomplished to each user terminal according to the different rights of user and customized demand, to realize differentiation information sharing.Surface-monitoring equipment adopts user oriented information filtering extraction and distribution technology, carries out alternately with a kind of unification and general mode and user, finally builds one and can provide the information platform of diversity service for user.
Concrete, in described data transmit circuit, there is storage unit, for storing the information such as user ID, authority and demand.By searching user ID, obtain concrete power limit and the demand of designated user, complete the aircraft information filtering for this user.According to different rights and the customized demand of different user (as Control Centre, navigation airport, safety regulator, navigation company etc.), for different user provides the Data distributing of otherness.
Aircraft integrated supervision information transmitted in parallel is given multiple user by communication network by surface-monitoring equipment, and the concurrent user number of support is greater than 400.Due to the authority of user and customized demand variant, so surface-monitoring equipment is sent to display and control seat based on one user oriented navigation information filtering ways of distribution, finally builds one and can provide the information platform of diversity service for user.
Embodiment 5:
Figure 5 shows that a kind of ground monitoring system that the utility model embodiment 5 provides, comprise airborne equipment, described airborne equipment communicates with mobile communication link respectively by ADS-B communication link, Beidou communication link with ADS-B land station, Big Dipper ground receiving equipment, ground moving base station, also comprise the surface-monitoring equipment as above-described embodiment, communication data transfer is carried out by dedicated communications network in described surface-monitoring equipment and described ADS-B land station, Big Dipper ground receiving equipment and ground moving base station.With reference to the associated description in previous embodiment, no longer can describe in detail about this surface-monitoring equipment herein.
Airborne locating information is sent to all kinds of earth-space communication ground base station by multiple D-chain road by airborne equipment, comprises ADS-B receiving equipment, Big Dipper ground receiving equipment, ground moving base station.Surface-monitoring equipment communicates with station, ground, above three kinds of ground, realizes the real-time reception to ADS-B message, mobile message and Big Dipper message, and is responsible for parsing and the integrity verification of three kinds of data messages.If find in resolving that message content exists necessary information disappearance, then by packet loss, and the transmission source of record disappearance message (comprise aircraft address code and send link).Aircraft information after resolving is analyzed, this aircraft historical information of combined ground watch-dog record, automatically switch according to multilink machine-processed, determine that a best communication link realizes the stable output of aircraft navigation positional information.Meanwhile, aircraft identification information, status information and the short message that three links issue is collected and merged, to ensure the real-time output of aircraft states information.Aircraft position information after utilizing process in addition and status information complete state analysis and the collision detection of aircraft, if judge there is conflict early warning in aircraft, then collision alert is sent to user terminal together with aircraft position information, identification information, status information.
The utility model processes different link data, according to ADS-B communication link, the priority orders of mobile communication link and Beidou communication link, switch and select the highest communication link of current priority to export described all purpose aircraft information, again the described all purpose aircraft information that described multilink data commutation circuit exports is sent to user, this surface-monitoring equipment can be made so to be all the time in best communication link, thus ensure aircraft information (as positional information, status information) stable output, thus realize the reliable and stable acquisition of air control necessary for monitoring data.
After surface-monitoring equipment completes aircraft information processing in addition, be accomplished to the Data dissemination of each user terminal according to the different rights of user and customized demand, to realize differentiation information sharing.Surface-monitoring equipment adopts user oriented information filtering extraction and distribution technology, carries out alternately with a kind of unification and general mode and user, finally builds one and can provide the information platform of diversity service for user.
By reference to the accompanying drawings embodiment of the present utility model is described in detail above, but the utility model is not restricted to above-mentioned embodiment, in the spirit and scope situation of claim not departing from the application, those skilled in the art can make various amendment or remodeling.
Claims (10)
1. a surface-monitoring equipment, is characterized in that, comprising:
Multilink data receiving circuit, for all purpose aircraft information receiving ADS-B land station, Big Dipper ground receiving equipment, ground moving base station send, wherein said ADS-B land station, Big Dipper ground receiving equipment, ground moving base station are respectively and form ADS-B communication link, Beidou communication link and mobile communication link between airborne equipment;
Multilink data commutation circuit, be connected with the output terminal of described multilink data receiving circuit, for the priority orders according to described ADS-B communication link, mobile communication link and Beidou communication link, switch and select the highest communication link of current priority to export described all purpose aircraft information;
Data transmit circuit, is connected with the output terminal of described multilink data commutation circuit, sends to user for the described all purpose aircraft information described multilink data commutation circuit exported.
2. surface-monitoring equipment according to claim 1, is characterized in that, predetermined priority order is followed successively by from high to low: ADS-B communication link, mobile communication link, Beidou communication link.
3. surface-monitoring equipment according to claim 2, is characterized in that, described multilink data commutation circuit is according to specifically comprising:
Associated circuit, be connected with the output terminal of described multilink data receiving circuit, for receive described multilink data receiving circuit export all purpose aircraft information after, utilize all purpose aircraft exclusive identification code, carry out operation associated with all purpose aircraft prestored;
Data processing circuit, is connected with described associated circuit, for this all purpose aircraft information received directly being stored when described associated circuit associates unsuccessfully, judges the communications status of this all purpose aircraft three communication link when being successfully associated:
If ADS-B communication link state is effectively, then not handoff links, keeps the process and the renewal that ADS-B communication link are issued to the positional information in all purpose aircraft information;
If ADS-B communication link state was for losing efficacy, but mobile communication link communication state be effective, then by link switching to mobile communication link, perform the process and the renewal that mobile communication link are issued to the positional information in all purpose aircraft information;
If ADS-B communication link and mobile communication Link State are all lost efficacy, but Beidou communication link communication state be effective, then by link switching to Big Dipper link, perform the process and the renewal that Big Dipper link are issued to the positional information in all purpose aircraft information.
4. surface-monitoring equipment according to claim 3, it is characterized in that, data processing circuit in described multilink data commutation circuit is also current for no matter, and which kind of communication link what be switched to be, all merges the identification information in all purpose aircraft information received from three kinds of links, status information, short message and export.
5. surface-monitoring equipment according to claim 3, is characterized in that, also comprises:
Data Analysis checking circuit, be connected between described multilink data receiving circuit and multilink data commutation circuit, for the ADS-B message, the mobile communication message that export described multilink data receiving circuit with Big Dipper message data is resolved and integrity verification, if find in resolving that message content exists necessary information disappearance, then by packet loss, and the transmission source of record disappearance message, the described communication link sending source and comprise aircraft address code and send data.
6. surface-monitoring equipment according to claim 3, is characterized in that, also comprises:
Aircraft collision alert circuit, be connected between described multilink data commutation circuit and data transmit circuit, state analysis and the collision detection of aircraft is completed for the aircraft position information that exports according to described multilink data commutation circuit process and status information, if judge there is conflict early warning in aircraft, then collision alert information is sent to described data transmit circuit;
Described data transmit circuit also for sending to user by collision alert information together with aircraft position information, identification information, status information.
7. surface-monitoring equipment according to claim 3, is characterized in that, also comprises:
Ground control command treatment circuit, receives ground control command for real-time listening, carries out dissection process to described ground control command, and/or, local backup is carried out to described ground control command;
Walking circuit is uploaded in order, be connected with described ground control command treatment circuit, for according to the Link State of described ADS-B communication link, Beidou communication link and mobile communication link and described ground control command type, best communication link is selected the ground control command after the control command processing circuit processes of described ground to be sent to the airborne equipment of all purpose aircraft.
8. the surface-monitoring equipment according to any one of claim 1-7, is characterized in that, described data transmit circuit comprises:
Data query extracts circuit, is connected with described multilink data commutation circuit output terminal, for according to the authority of different user prestored and demand information, filters the different information datas of all purpose aircraft after the process of extraction described multilink data commutation circuit;
Data dissemination circuit, extracts circuit output end with described data query and is connected, and the different information datas of filtering all purpose aircraft extracted for described data query being extracted circuit are distributed to different users.
9. surface-monitoring equipment according to claim 8, is characterized in that, described data transmit circuit also comprises:
Memory circuit, extracts circuit with described data query and is connected, for storing authority and the demand information of described different user.
10. a ground monitoring system, comprise airborne equipment, communication linkage is carried out respectively by ADS-B communication link, Beidou communication link, mobile communication link in described airborne equipment and ADS-B land station, Big Dipper ground receiving equipment, ground moving base station, it is characterized in that, also comprise the surface-monitoring equipment as described in any one of claim 1-9, communication linkage is carried out respectively by dedicated communications network in described surface-monitoring equipment and described ADS-B land station, Big Dipper ground receiving equipment and ground moving base station.
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| CN201520249647.8U CN204557199U (en) | 2015-04-22 | 2015-04-22 | A kind of surface-monitoring equipment and system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105634584A (en) * | 2015-12-30 | 2016-06-01 | 大连陆海科技股份有限公司 | Transmission link switchable ship data acquisition system and method |
| CN107369339A (en) * | 2017-08-29 | 2017-11-21 | 中国民用航空总局第二研究所 | ADS B downlink datas link analysis checking system based on CPCI frameworks |
| CN107818696A (en) * | 2017-10-20 | 2018-03-20 | 西安戴森电子技术有限公司 | The all purpose aircraft monitoring platform of the Big Dipper, ADS B dual links navigation equipment structure |
| CN109143270A (en) * | 2018-08-27 | 2019-01-04 | 京信通信系统（中国）有限公司 | Positioning device and positioning system |
| CN111049668A (en) * | 2019-10-29 | 2020-04-21 | 深圳市启海仓储有限公司 | Three-network redundant high-availability network system |
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2015
- 2015-04-22 CN CN201520249647.8U patent/CN204557199U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105634584A (en) * | 2015-12-30 | 2016-06-01 | 大连陆海科技股份有限公司 | Transmission link switchable ship data acquisition system and method |
| CN105634584B (en) * | 2015-12-30 | 2019-04-12 | 大连陆海科技股份有限公司 | The ships data acquisition system and method for changeable transmission link |
| CN107369339A (en) * | 2017-08-29 | 2017-11-21 | 中国民用航空总局第二研究所 | ADS B downlink datas link analysis checking system based on CPCI frameworks |
| CN107818696A (en) * | 2017-10-20 | 2018-03-20 | 西安戴森电子技术有限公司 | The all purpose aircraft monitoring platform of the Big Dipper, ADS B dual links navigation equipment structure |
| CN107818696B (en) * | 2017-10-20 | 2020-08-07 | 西安戴森电子技术有限公司 | General aircraft monitoring platform constructed by Beidou and ADS-B double-link navigation equipment |
| CN109143270A (en) * | 2018-08-27 | 2019-01-04 | 京信通信系统（中国）有限公司 | Positioning device and positioning system |
| CN111049668A (en) * | 2019-10-29 | 2020-04-21 | 深圳市启海仓储有限公司 | Three-network redundant high-availability network system |
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