CN201388238Y - Dual-network total-exchange wireless communication system - Google Patents
Dual-network total-exchange wireless communication system Download PDFInfo
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- CN201388238Y CN201388238Y CN200920012163U CN200920012163U CN201388238Y CN 201388238 Y CN201388238 Y CN 201388238Y CN 200920012163 U CN200920012163 U CN 200920012163U CN 200920012163 U CN200920012163 U CN 200920012163U CN 201388238 Y CN201388238 Y CN 201388238Y
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Abstract
The utility model relates to a dual-network total-exchange wireless communication system which is characterized by comprising at least two communication hosts, and every two communication hosts are connected by two parallel exchange networks to form a communication device; each communication host comprises at least a dual-network exchange unit which is connected with the exchange network; the dual-network exchange unit essentially comprises a wireless board, an outer wire board, a seat board and two exchange boards; the wireless board and the outer wire board are connected with the two parallel exchange boards by two parallel communication network data lines, and the two exchange boards are connected with the seat board together; and the two exchange boards are connected with the two parallel exchange networks at the same time. The dual-network total-exchange wireless communication system has simple and reasonable equipment and strong practicality, and is quite suitable to be applied to the field of civil aviation.
Description
Technical field:
The utility model provides a kind of wireless telecommunication system that is applied to Civil Aviation System, relates in particular to the full exchange of a kind of two nets wireless telecommunication system.
Background technology:
Wireless telecommunication system is a most important link in civil aviaton's production run, for a long time, China master has not only spent national a large amount of foreign exchange with ground-air communication equipment dependence on import all, and inlet system in use also exposes problems such as capacity is little, poor compatibility, function singleness; And traditional wireless telecommunication system, for sky conversation aspect, ground, can't realize this locality a bit to multiple spot, and local and some conversation to multiple spot of other places, for example: radio station in the past directly is connected with remote-control box, carry out radio communication, remote-control box is formed the control seat, like this, if desired with carrying out controlled in wireless in many ways, then just need be at a seat end configuration multi-section remote-control box, so the seat arrangement abnormalities is numerous and diverse, has all brought great inconvenience for operation and maintenance.Communication system in the past is that single line connects in addition, interrupts in case connect, and will cause the paralysis of whole system, and communication system poor compatibility in the past, function singleness; And have only a central processing unit in the communication system main frame in the past, like this,, also can cause the whole systemic breakdown in back in case the central processing unit of main frame quits work; And the air communications system maintains the indispensable system of flight safety.
Summary of the invention:
Goal of the invention: the utility model provides the full exchange of a kind of two nets wireless telecommunication system, its objective is that solution communication system capacity in the past is little, the seat configuration is complicated, since single line connect cause fragile and safeguard the problem of inconvenience.
Technical scheme: the utility model is achieved through the following technical solutions:
The full exchange of a kind of two nets wireless telecommunication system, it is characterized in that: described communication system comprises at least two host computer communications, is joined together to form communication device by two parallel switching networks between per two host computer communications; Each host computer communication comprises at least one dual network crosspoint that is connected to switching network; The dual network crosspoint mainly comprises wireless plate, outside line plate, seat plate and two power boards; Wireless plate, outside line plate all are connected to two power boards arranged side by side by two parallel communication network data wires, and two power boards are connected to the seat plate jointly; Two power boards are connected with two parallel switching networks simultaneously.
Described dual network crosspoint also includes monitor board, GPS plate, voice plate and recording plate; Monitor board, GPS plate, voice plate and recording plate are connected with two power boards by two parallel communication network data wires.
On described wireless plate, outside line plate, seat plate, be provided with audio frequency isolated converter, digital isolator, two network-driven modules and independent CPUs and FPGA; Two network drives are connected with CPU by circuit, and CPU is connected with FPGA by circuit, and FPGA is connected with the audio frequency isolated converter by digital to analog converter on the one hand, directly is connected with digital isolator on the other hand; Audio frequency isolated converter digital isolator is connected to port for peripheral equipment, and two network-driven modules then are connected to two power boards by the communication network data wire.
Article two, the transmission medium of parallel switching network is optical fiber, coaxial cable, twisted-pair feeder, VLAN, VPN, protocol conversion ATS-QSIG, NO.7 and wireless bridge.
Described power board is provided with a plurality of interfaces that are connected with each feature board and the interface that is connected with full switching network, total interface all is connected with crosspoint with digital isolator by the audio frequency isolated converter, and crosspoint is connected with control and Routing Protocol judge module.
Digital isolator adopts photoelectrical coupler or relay.
Being arranged in the housing of a plurality of pairs of net crosspoint arrays in the described host computer communication; And wireless plate, outside line plate, seat plate, monitor board, GPS plate, voice plate, recording plate and power board in each two net crosspoint all are plugged in the interior integrated circuit board slot of housing, and power board is plugged on the two ends of integrated circuit board slot.
Wireless plate is connected with the VHF VHF radio in use; The outside line plate is connected with local telephone network or stored-program control exchange in use; The seat plate is connected with user seat by the seat end plaste in use.
Advantage and effect: the utility model provides the full exchange of a kind of two nets wireless telecommunication system, and this system utilizes two parallel full switching networks to link together a plurality of host computer communications, forms whole communication structure; Each host computer communication then comprises a plurality of pairs of net crosspoints, it is unit that information between the whole system transforms with exchanging with each two net crosspoint, to organically link together by two parallel full switching networks between a plurality of pairs of net crosspoints then, form system host; Then system host is distributed in different control points and just can realizes information communication between the main frame; Article two, parallel full switching network can be selected a lot of carriers interconnect (as: netting twine, twisted-pair feeder, optical fiber, coaxial cable etc.), and there are a lot of mature and stable networking and routing plans can select (as: local area network (LAN) VLAN networking, wide area network VPN, the DDN special line, wireless bridge etc.), it can provide the exchange rate of 100M, 1000M, in the information translation speed that improves whole system, improved the capacity of system greatly like this; And the structure of each the two net crosspoint in the system host is with wireless plate, outside line plate, seat plate, monitor board, GPS plate, voice plate, recording plate, link together by two parallel communication network data wires and two power boards, the seat plate is connected with the seat end plaste, the communication device that the seat end plaste then is connected to form with user seat, and this unit in use, wireless plate 3 is connected with outside VHF VHF radio, make between external wireless communication system and the seat and realize being communicated with, make the seat carry out wireless communication and control outside communication system; And wireless plate can be connected with a plurality of outside VHF VHF radios, just can realize multiple spot is carried out the purpose of wireless communication control like this by the conversion between the seat, makes the seat arrangement abnormalities succinctly reasonable; Simultaneously because each corresponding seat of two net crosspoints, like this, in each host computer communication, just include a plurality of seats, can freely exchange between seat and the seat in the host computer communication like this, and a plurality of seats between host computer communication and the host computer communication also are free to exchange.
Also dispose other feature board in addition in two net crosspoints, for example: the outside line plate is connected being communicated with of realization system and outside telephone with local telephone network or stored-program control exchange; Monitor board is used for being connected with monitoring configurating terminal machine, is used for supervisory control system safety and sends alarm signal; The GPS plate is connected with external clock reference, realizes clock synchronization; The voice plate then is used to store the voice messaging to each corresponding function plate transmission of dual network crosspoint; 12 of plates of recording are used for this locality recording at long-range seat.In addition, on each feature board of two net crosspoints of system, all be integrated with two full switching network redundancy runnings of isolating each other, system adopts the decentralized control structure, do not have CPU in the whole host computer communication, all functions are controlled by separate CPU on each feature board and FPGA, and the decentralized control structure can be limited in fault in the minimum scope, the fault of any feature board can not influence the normal operation of whole system, and reliability is significantly improved.
The utility model also has the advantage of following several respects in addition:
Because adopted the working method of decentralized control structure and dual network parallel redundancy, exchanges data is unblocked, system is stable, through repeatedly experiment, none routine systemic breakdown phenomenon takes place, and reliability is significantly improved, for ensureing that flight safety provides strong support;
After the analog-to-digital conversion of external voice information via function corresponding plate, the form auspicious with data exchanges by these two networks, design broadband (10M) uses broadband (128K) than reaching 10: 0.128 with reality, effectively raises the exchanges data reliability, really accomplishes clog-free communication.
A plurality of pairs of net crosspoints (maximum 255 extend to 1023 as required) are formed the host computer communication of system by two parallel full switching networks.Then by two parallel full switching networks, a plurality of host computer communications of local and remote are linked together, form the full exchange of complete two nets wireless telecommunication systems, make between the strange land more reasonable, the interregional contact of the utilization of resources more closely, the control scheduling is more safe and reliable.
The utility model adopts two redundant parallel full switching network frameworks, two net concurrent workings, can carry out dilatation easily, and make the utilization of resources more reasonable, interregional contact in ground tightr, really accomplish clog-free communication, at present, the native system capacity surpasses international similar system heap(ed) capacity more than 2 times.
Full redundancy network parallel work that each feature board of the present utility model is all integrated, between any two feature boards, provide the data exchange capability that is not less than 10Mpbs, between multicomputer, exchange, be accompanied by rapid development of network technology now, the host computer communication of native system will have very powerful dilatation ability.Under such exchange capacity, attend a banquet, the quantity of various interfaces such as analog subscriber, digital subscriber almost is can unconfined dilatation, it can adopt abundant networking scheme, can realize interregional multi-platform global function networking, accomplishes resource-sharing.
In addition, a lot of imported products are not that data transaction agreement and technology are provided, and therefore have very big difficulty when multisystem interconnects.And the utility model adopts different communications protocol, uses the communication protocol of independent development, and the communication protocol between the different host computer communications is changed mutually, and and different product between have very strong compatibility.
The utility model can be external domestic employed various VHF, HF, transposer station, wireless talkback equipment at present, and the normal operation of these equipment is directly connected to safety of civil aviation production.In case owing to native system internal fault reason causes damage to access device, its loss is beyond measure.Therefore, each feature board of native system has carried out whole isolation to all input/output ports when design.By the audio frequency isolated converter all audio frequency input/output signals (RX, TX and telephone signal) are isolated; By photoelectrical coupler and relay digital signal (PTT, SQL, ALM) is isolated.Adopt the full access way of isolating,, also can not produce any influence, but improve the global reliability and the fail safe of beechnut effectively the equipment such as very high frequency(VHF) that insert even can guarantee when catastrophe failure appears in native system.
The utility model also adopts the interface of self-adapting type.When external equipment inserted, the polarity and the level of CPU on each feature board and the automatic judgment signal of FPGA meeting were handled by standard control signal of output after inner polarity and the level conversion.To the output signal of system, each feature board carries out intelligentized processing equally, makes output signal satisfy the needs of access device.This processing mode, can satisfy the ground connection/dry contact of digital signal /+5V/+12V/-48V etc., greatly facilitate the connection of different agreement very high frequency(VHF) equipment, improved the adaptive capacity of system.
The utility model adopts the separate CPU decentralized control, and high performance 32 intelligent processors (CPU) NIOSII is all arranged on the every feature board, is used for handling the function such as synthetic of the collection of redundant communications protocol, audio frequency and audio frequency.In whole application and maintenance process, the scattered control system structure can be limited in fault in the minimum scope, and the fault of any feature board can not influence the normal operation of whole system.System reliability is compared and adopted the system of traditional core host computer control mode that further raising has been arranged, and is stable, provides powerful support for for ensureing that flight safety provides.
The utility model adopts full switching network technology, compares the advantage that has clearly with traditional PCM switching technology.The contrast of two kinds of technology is as follows:
The PCM switching technology is a kind of digital signal exchanged form before network technology is improved, and is similar to the exchanged form of analog switch matrix conversion, and there is limitation in exchange capacity; The whole network switching technology then is a new Digital handshaking technology, be born out along with rapid development of network technology, characteristics such as exchange capacity is big, transmission broadband is big, control is flexible are arranged, especially adopt the full switch network architecture of fault-tolerant encoding technology, in data exchange process, have transfer of data accurately, characteristics timely, more meet of the specific (special) requirements of civil aviaton's industry to communication system security and reliability.
The PCM switching technology is to adopt control chip to control being switched on or switched off of exchange chip passage.The data of full switching network technology are transmitted with auspicious form, and the auspicious head of each data all has definite destination address, and exchange chip carries out the auspicious exchange of data according to destination address.The information of PCM exchange makes the speed of disposal ability dependence processor, and full switching network is all signaling process to be distributed to each port get on, and is not fixed against the speed of processor.
The PCM exchange needs synchronised clock, if lose synchronised clock, the PCM exchange will be paralysed, and full switching network does not then need synchronised clock.Full switching network technology is compared with the PCM switching technology more networking mode can be provided.
Aspect the operation and maintenance mode.Adopt after the utility model, the radio station links to each other with wireless plate, and the seat in the host computer communication directly links to each other with wireless plate by power board, and all than simple, convenient, fail safe also improves thereupon greatly, has effectively ensured flight safety in operation and maintenance.
Integrated circuit board of the present utility model in addition can hot plug.Any integrated circuit board (comprising power board), all hot-swappable under the energising running status, make things convenient for the user under the situation that does not influence use, to safeguard.
The utility model has comprehensive in-service surveillance controlling platform.The information of any one data in can detection system, the failure judgement of intelligence also has sound and light alarm.
Remote maintenance.System provides the maintenance function of remote dial, and the attendant of producer can be connected into system by dial mode under the situation of user's permission, help the user to carry out fault judgement and information configuration.
The full redundancy design of switching system.Make and to close or to pull up any one power board in the custom system use and exchange, and do not influence the normal use of system.
The utility model can make seamless switching between the active and standby VHF radio of radio, that is to say when on same seat, having disposed active and standby two radio station of same frequency, if the master is broken down (ALARM alarm) with the radio station, system can automatically switch to stand by station and receive and dispatch.Even just in communication process, hostdown also can unremittingly switch to standby host to the user, this action almost is imperceptible concerning the recipient, and the user can also come active and standby machine is distinguished by the size of regulating volume.
Full switching network technology of the present utility model can also adopt the communications protocol of independent research, by the interior words devices interconnect of conversion unit of protocol with the communications protocol that adopts other.
The utility model, equipment are succinctly reasonable, and be practical, relatively is fit to be applied in the civil aviaton field.
Description of drawings:
Fig. 1 represents the utility model overall structure schematic diagram;
Fig. 2 represents the structural representation of the utility model host computer communication;
Fig. 3 represents the schematic diagram of of the present utility model pair of net crosspoint;
Fig. 4 represents the schematic diagram of the utility model exchange media;
Fig. 5 represents the structured flowchart of the wireless plate of the utility model;
Fig. 6 represents the circuit board figure of the wireless plate of the utility model;
Fig. 7 represents the circuit diagram that has the audio frequency isolated converter of the wireless plate of the utility model;
Fig. 8 represents the overall structure schematic diagram of the utility model host computer communication;
Fig. 9 represents the structural principle block diagram of the utility model power board.
Embodiment:
Below in conjunction with accompanying drawing the utility model is described further:
As shown in Figure 1, the utility model provides the full exchange of a kind of two nets wireless telecommunication system, described communication system comprises at least two host computer communications 1, connects by outside two parallel full switching networks 111 between per two host computer communications 1, forms complete communication device; Like this, just can realize by two full switching network 111 free communications between per two host computer communications 1; Each host computer communication 1 comprises at least one dual network crosspoint 2; If comprise a plurality of dual network crosspoints 2 then also link together between a plurality of dual network crosspoint 2 by two full switching networks 111; Dual network crosspoint 2 mainly comprises wireless plate 3, outside line plate 5, seat plate 6, seat end plaste 7 and two power boards 8; Shown in Fig. 2 and 3, wireless plate 3 and outside line plate 5 by two parallel communication network data wires be connected to 8, two power boards 8 of two power boards and be connected to seat plate 6; Seat plate 6 connects seat end plaste 7; Two power boards 8 are connected with two full switching networks 111 of outside simultaneously; Wireless in use plate 3 is connected by port for peripheral equipment and the outside VHF VHF radio 17 of multi-section, makes the seat realize controlling with the connected sum of outside VHF VHF radio 17; The outside line plate also is connected with local telephone network or stored-program control exchange by port for peripheral equipment, seat end plaste 7 is connected with user seat 15, like this, will realize that in each two net crosspoint a seat both can reach the control to other a plurality of functions to one or more controlled in wireless; And in host computer communication 1 because a plurality of pairs of net crosspoints 2 are arranged, so just make, between the interior a plurality of user seats 15 of same host computer communication 1, with line equipment that the interior lines plate is connected between can realize information interchange freely.
And as shown in Figure 2, described dual network crosspoint 2 also includes monitor board 9, GPS plate 10, voice plate 11 and recording plate 12; Monitor board 9, GPS plate 10, voice plate 11 and recording plate 12 are connected with two power boards 8 by two inner communication networks 222; In use, monitor board 9 is used for being connected with monitoring configurating terminal machine; GPS plate 10 is connected with external clock reference; Voice plate 11 then is used to store the voice messaging to each corresponding function plate transmission of dual network crosspoint 2; 12 of plates of recording are used for this locality recording at long-range seat; On power board 8, then be provided with a plurality of ports and be used for corresponding connection with each feature board.
Figure 9 shows that the structural principle simple block diagram of power board 8, power board 8 internal informations enter crosspoint and control and land by handling in the agreement judge module after isolating through digital and audio frequency, transfer out again.That is to say that power board 8 is made up of the agreement judge module a plurality of ports that are connected with each feature board and crosspoint and control and land, each port all is connected with crosspoint with digital isolator by the audio frequency isolated converter, and crosspoint is connected by the agreement judge module with control and land.
On described wireless plate 3, interior lines plate 4, outside line plate 5, seat plate 6, monitor board 9, voice plate 11, recording plate 12 and magnetite plate 13, be provided with audio frequency isolated converter, digital isolator, two network-driven modules and independent CPUs 18 and FPGA 19; As illustrated in Figures 5 and 6, with wireless plate 3 is example, audio frequency isolated converter, digital isolator, two network-driven modules and independent CPUs 18 and FPGA 19 all are arranged on the printed circuit board (PCB), the network-driven module is connected with inner two parallel communication network data wires, and then is connected to power board 8; Two network drives 20 are connected with CPU by circuit, and CPU is connected with FPGA by circuit, and CPU and FPGA form control unit; FPGA is connected with the audio frequency isolated converter by two opposite digital to analog converters 22 of conversion direction on the one hand, and is connected with digital isolator on the other hand, and the audio frequency isolated converter is connected with port for peripheral equipment with digital isolator; And digital isolator can adopt photoelectrical coupler or relay.FPGA is exactly a field programmable gate array.
As shown in Figure 8, a plurality of pairs of net crosspoint 2 arrays in the described host computer communication 1 is arranged in the housing 14; And the wireless plate 3 in each two net crosspoint 2, outside line plate 5, seat plate 6, monitor board 9, GPS plate 10, voice plate 11, power board 8 and recording plate 12 all are plugged in the integrated circuit board slot 24 of housing 14, and power board 8 is plugged on the two ends of integrated circuit board slot 24.Various external equipments comprise that user seat 15, VHF VHF radio 17 etc. directly are connected on each pair net crosspoint 2 pairing feature boards in the housing 14 by circuit.
Be illustrated in figure 3 as the simple block diagram of the utility model type of attachment, demonstrated the be connected situation of each feature board with power supply among the figure, each feature board is identical with existing known circuit board with the connection situation of power supply, here repeats no more.
Because native system can be external domestic employed various VHF, HF, transposer station, wireless talkback and various ground wire communication facility at present, and the normal operation of these equipment is directly connected to safety of civil aviation production.In case owing to native system internal fault reason causes damage to access device, its loss is beyond measure.Therefore, each feature board of native system has carried out portion's isolation to all input/output ports when design.By the audio frequency isolated converter all audio frequency input/output signals (RX, TX and telephone signal) are isolated; By digital isolator, just photoelectrical coupler or relay are isolated digital signal (PTT, SQL, ALM).Adopt the full access way of isolating,, also can not produce any influence, but improve the global reliability and the fail safe of beechnut effectively the equipment such as very high frequency(VHF) that insert even can guarantee when catastrophe failure appears in native system.Native system can be arranged on host computer communication in different places in use, and the information of carrying out passes mutually.
Shown in Fig. 5,6 and 7, be the aufbauprinciple of interior lines plate 4 in addition.
Interface of the present utility model adopts self-adapting type.When external equipment inserted, the polarity and the level of CPU on each feature board and the automatic judgment signal of FPGA meeting were handled by standard control signal of output after inner polarity and the level conversion.To the output signal of system, each feature board carries out intelligentized processing by AD converter equally, makes output signal satisfy the needs of access device.This processing mode, can satisfy the ground connection/dry contact of digital signal /+5V/+12V/-48V etc., greatly facilitate the connection of different agreement very high frequency(VHF) equipment, improved the adaptive capacity of system.
The utility model in use, by each feature board Information Monitoring, then by power board 8 and two parallel full switching networks 111, realize between two net crosspoints 2 and local host computer communication 1 and strange land host computer communication 1 between information exchange, thereby can realize interregional multi-platform global function networking, accomplish resource-sharing.
Platform architecture of the present utility model adopts full switching network technology, compares the advantage that has clearly with traditional PCM switching technology.PCM circuit switching hardware designs and full switching network hardware designs are as shown in the figure.
The contrast of two kinds of technology is as follows:
The PCM switching technology is a kind of digital signal exchanged form before network technology is improved, and is similar to the exchanged form of analog switch matrix conversion, and there is limitation in exchange capacity; The whole network switching technology then is a new Digital handshaking technology, be born out along with rapid development of network technology, characteristics such as exchange capacity is big, transmission broadband is big, control is flexible are arranged, especially adopt the full switch network architecture of fault-tolerant encoding technology, in data exchange process, have transfer of data accurately, characteristics timely, more meet of the specific (special) requirements of civil aviaton's industry to communication system security and reliability.
The PCM switching technology is to adopt control chip to control being switched on or switched off of exchange chip passage.The data of full switching network technology are transmitted with auspicious form, and the auspicious head of each data all has definite destination address, and exchange chip carries out the auspicious exchange of data according to destination address.The information of PCM exchange makes the speed of disposal ability dependence processor, and full switching network is all signaling process to be distributed to each port get on, and is not fixed against the speed of processor.The PCM exchange needs synchronised clock, if lose synchronised clock, the PCM exchange will be paralysed, and full switching network does not then need synchronised clock.Full switching network technology is compared with the PCM switching technology more networking mode can be provided.
Adopt after the utility model, user seat 15 also directly links to each other with wireless plate 3 in the host computer communication 1 by power board 8, and radio station 17 directly is connected with user seat 15; Its operation and maintenance is all comparatively simple, convenient, and fail safe also improves thereupon greatly, has effectively ensured flight safety.
On each feature board, all be integrated with two full switching network redundancy runnings of isolating each other.
The utility model in use, after the function corresponding plate of each dual network crosspoint 2 all can be with external voice information via analog-to-digital conversion, the form auspicious with data exchanges by two communication network data wires, design broadband (10M) uses broadband (128K) than reaching 10: 0.128 with reality, effectively raise the exchanges data reliability, really accomplish clog-free communication.
The utility model adopts redundant full switching network framework, and two net concurrent workings can be carried out dilatation easily, and make that more reasonable, the interregional contact of the utilization of resources is tightr, really accomplish clog-free communication, at present, the native system capacity surpasses international similar system heap(ed) capacity more than 2 times.
Full redundancy network parallel work that feature board of the present utility model is all integrated, between any two feature boards, provide the data exchange capability that is not less than 10Mpbs, in 1 exchange of a plurality of host computer communications, the exchange rate of 100M, 1000M can be provided, be accompanied by rapid development of network technology now, native system will have very powerful dilatation ability.Under such exchange capacity, attend a banquet, the quantity of various interface such as analog subscriber, digital subscriber almost is can unconfined dilatation.
Along with the construction of blank pipe field Da Qu pipe, the extension in airline base and the integration of airport group company, zone networking demand to the voice scheduling management is more and more urgent, the research and development of native system have successfully solved this difficult problem, adopt abundant networking scheme, long-range seat can utilize transmission medium to come by the networking between the telephone system in switching network realization and the strange land.As shown in Figure 4, transmission medium comprises optical fiber, coaxial cable, twisted-pair feeder, VLAN, VPN, protocol conversion ATS-QSIG, NO.7 and wireless bridge.
Because different host computer communications adopt different communications protocol, and much imported product is not that data transaction agreement and technology are provided, and therefore has very big difficulty when multisystem interconnects.The communication protocol of native system independent development can make the communication protocol between the different platform change mutually, and and different product between have very strong compatibility.
The utility model adopts the separate CPU decentralized control, and high performance 32 intelligent processors (CPU) NIOSII is all arranged on the every feature board, is used for handling the function such as synthetic of the collection of redundant communications protocol, audio frequency and audio frequency.In whole application and maintenance process, the scattered control system structure can be limited in fault in the minimum scope, and the fault of any feature board can not influence the normal operation of whole system.System reliability is compared and adopted the system of traditional core host computer control mode that further raising has been arranged, and is stable, provides powerful support for for ensureing that flight safety provides.
The utility model also has the efficiently property tieed up, its be mainly reflected in following some:
1, integrated circuit board hot plug.Any integrated circuit board (comprising power board), all hot-swappable under the energising running status, make things convenient for the user under the situation that does not influence use, to safeguard.
2, comprehensive in-service surveillance controlling platform.The information of any one data in can detection system, the failure judgement of intelligence also has sound and light alarm.
3, remote maintenance.System provides the maintenance function of remote dial, and the attendant of producer can be connected into system by dial mode under the situation of user's permission, help the user to carry out fault judgement and information configuration.
4, the full redundancy of switching system design.Make and to close or to pull up any one power board in the custom system use and exchange, and do not influence the normal use of system.
This utility model can also realize active and standby VHF radio seamless switching, for example: when on same user seat 15, having disposed active and standby two radio station of same frequency, if the master is broken down (ALARM alarm) with the radio station, system can automatically switch to stand by station and receive and dispatch.Even just in communication process, hostdown also can unremittingly switch to standby host to the user, this action almost is imperceptible concerning the recipient, and the user can also come active and standby machine is distinguished by the size of regulating volume.
Adopt the full exchange of two nets of the present utility model wireless telecommunication system, between different host computer communications 1, can interconnect by a lot of carriers by (as: netting twine, twisted-pair feeder, optical fiber, coaxial cable etc.), and there are a lot of mature and stable networking and routing plans can select (as: local area network (LAN) VLAN networking, wide area network VPN, the DDN special line, wireless bridge etc.), can also adopt the communications protocol of independent research, by the interior words devices interconnect of conversion unit of protocol with the communications protocol that adopts other.
The utility model, equipment are succinctly reasonable, and be practical, relatively is fit to be applied in the civil aviaton field.
Claims (8)
1, the full exchange of a kind of two nets wireless telecommunication system, it is characterized in that: described communication system comprises at least two host computer communications (1), is joined together to form communication device by two parallel switching networks (111) between per two host computer communications (1); Each host computer communication (1) comprises at least one dual network crosspoint (2) that is connected to switching network (111); Dual network crosspoint (2) mainly comprises wireless plate (3), outside line plate (5), seat plate (6) and two power boards (8); Wireless plate (3), outside line plate (5) all are connected to two power boards arranged side by side (8) by two parallel communication network data wires, and two power boards (8) are connected to seat plate (6) jointly; Two power boards (8) are connected with two parallel switching networks (111) simultaneously.
2, the full exchange of two nets according to claim 1 wireless telecommunication system, it is characterized in that: described dual network crosspoint (2) also includes monitor board (9), GPS plate (10), voice plate (11) and recording plate (12); Monitor board (9), GPS plate (10), voice plate (11) and recording plate (12) are connected with two power boards (8) by two parallel communication network data wires.
3, the full exchange of two nets according to claim 1 wireless telecommunication system is characterized in that: be provided with audio frequency isolated converter, digital isolator, two network-driven modules and independent CPUs and FPGA on described wireless plate (3), outside line plate (5), seat plate (6); Two network drives (14) are connected with CPU by circuit, and CPU is connected with FPGA by circuit, and FPGA is connected with the audio frequency isolated converter by digital to analog converter on the one hand, directly is connected with digital isolator on the other hand; Audio frequency isolated converter digital isolator is connected to port for peripheral equipment, and two network-driven modules then are connected to two power boards (8) by the communication network data wire.
4, the full exchange of a kind of two nets according to claim 1 wireless telecommunication system, it is characterized in that: the transmission medium of two parallel switching networks (111) is optical fiber, coaxial cable, twisted-pair feeder, VLAN, VPN, protocol conversion ATS-QSIG, NO.7 and wireless bridge.
5, the full exchange of two nets according to claim 2 wireless telecommunication system, it is characterized in that: described power board is provided with a plurality of interfaces that are connected with each feature board and the interface that is connected with full switching network (111), total interface all is connected with crosspoint with digital isolator by the audio frequency isolated converter, and crosspoint is connected with control and Routing Protocol judge module.
6, according to claim 3 or the full switching network communication system of 5 described a kind of two nets, it is characterized in that: digital isolator adopts photoelectrical coupler or relay.
7, the full exchange of two nets according to claim 2 wireless telecommunication system is characterized in that: being arranged in the housing (14) of a plurality of pairs of net crosspoints (2) array in the described host computer communication (1); And wireless plate (3), outside line plate (5), seat plate (6), monitor board (9), GPS plate (10), voice plate (11), recording plate (12) and power board (8) in each two net crosspoint (2) all are plugged in the interior integrated circuit board slot (15) of housing (14), and power board (8) is plugged on the two ends of integrated circuit board slot (15).
8, the full exchange of two nets according to claim 1 wireless telecommunication system, it is characterized in that: wireless plate (3) is connected with the VHF VHF radio in use; Outside line plate (5) is connected with local telephone network or stored-program control exchange in use; Seat plate (6) is connected with user seat by seat end plaste (7) in use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920012163U CN201388238Y (en) | 2009-03-20 | 2009-03-20 | Dual-network total-exchange wireless communication system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200920012163U CN201388238Y (en) | 2009-03-20 | 2009-03-20 | Dual-network total-exchange wireless communication system |
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| CN201388238Y true CN201388238Y (en) | 2010-01-20 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401584A (en) * | 2013-08-13 | 2013-11-20 | 江西联创通信有限公司 | Wired signal transmission system and method |
| CN106603523A (en) * | 2016-12-09 | 2017-04-26 | 北京东土军悦科技有限公司 | Message forwarding method and network switching device |
| CN107733723A (en) * | 2017-11-22 | 2018-02-23 | 沈阳空管技术开发有限公司 | Double net cable communication system hosts |
-
2009
- 2009-03-20 CN CN200920012163U patent/CN201388238Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103401584A (en) * | 2013-08-13 | 2013-11-20 | 江西联创通信有限公司 | Wired signal transmission system and method |
| CN103401584B (en) * | 2013-08-13 | 2015-04-22 | 北方联创通信有限公司 | Wired signal transmission system and method |
| CN106603523A (en) * | 2016-12-09 | 2017-04-26 | 北京东土军悦科技有限公司 | Message forwarding method and network switching device |
| CN107733723A (en) * | 2017-11-22 | 2018-02-23 | 沈阳空管技术开发有限公司 | Double net cable communication system hosts |
| CN107733723B (en) * | 2017-11-22 | 2023-10-17 | 沈阳空管技术开发有限公司 | Double-network wire communication system host |
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