CN201388241Y - Dual-network total-exchange cable communication system - Google Patents
Dual-network total-exchange cable communication system Download PDFInfo
- Publication number
- CN201388241Y CN201388241Y CN200920012170U CN200920012170U CN201388241Y CN 201388241 Y CN201388241 Y CN 201388241Y CN 200920012170 U CN200920012170 U CN 200920012170U CN 200920012170 U CN200920012170 U CN 200920012170U CN 201388241 Y CN201388241 Y CN 201388241Y
- Authority
- CN
- China
- Prior art keywords
- plate
- network
- exchange
- communication system
- board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The utility model relates to a dual-network total-exchange cable communication system which is characterized by comprising at least two communication hosts; 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 an inner wire board, an outer wire board, a seat board and two exchange boards; the inner wire board and the outer wire board are respectively connected with two parallel exchange boards by 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 cable 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 line communication system that is applied to Civil Aviation System, relates in particular to the full exchange of a kind of two nets line communication system.
Background technology:
Line communication 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 wire communication facility majority dependence on import, and inlet system in use also exposes problems such as capacity is little, poor compatibility, function singleness; And traditional line communication system, for conversation aspect, ground, ground, can't realize locally a bit to multiple spot, and local and other places are a bit to conversation of multiple spot, for example: wired conversation in the past is continuously one to one between the phone to carry out wire communication, phone is then formed the control seat, like this, if desired with line traffic control is arranged in many ways, then just need be at a seat end configuration multi-section phone, so the seat arrangement abnormalities is numerous and diverse, has all brought great inconvenience for operation and maintenance.The communication decorum 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; And have only a central processing unit in the communication host computer communication 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 line communication 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 line communication 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 with switching network; The dual network crosspoint mainly comprises interior lines plate, outside line plate, seat plate and two power boards; Interior lines plate, outside line plate all are connected to two power boards arranged side by side respectively by the communication network data wire, 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, voice plate, recording plate and magnetite plate; Monitor board, voice plate, recording plate are connected with two power boards by two parallel communication network data wires with the magnetite plate.
On described interior lines 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.
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 is photoelectrical coupler and relay.
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.
Being arranged in the housing of a plurality of pairs of net crosspoint arrays in the described host computer communication; And that the wireless plate in each two net crosspoint, interior lines plate, outside line plate, seat plate, monitor board, GPS plate, voice plate, recording plate, magnetite plate and power board all are plugged on the integrated circuit board slot in the housing is temporary fixed, and power board is plugged on the two ends of integrated circuit board slot.
The interior lines plate is connected with the direct connection telephone machine 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 line communication 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 host computer communication, and each host computer communication is distributed in different zones, thereby realizes interregional conversation; Just can realize the information communication between the main frame then; 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 host computer communication is with interior lines plate, outside line plate, seat plate, monitor board, voice plate, recording plate and magnetite 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, the interior lines plate is connected with the direct connection telephone machine, makes the direct connection telephone machine also can converse and control by the seat; And the interior lines plate can be connected with multi-section direct connection telephone machine, just can realize making the seat arrangement abnormalities succinctly reasonable to the purpose of multiple spot control by the conversion between the seat like this; 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, like this, just can realize the information interchange in the host computer communication, also can realize the information interchange between the host computer communication.
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; The recording plate then is used for this locality recording at long-range seat; The magnetite plate is used for being connected with magnetite or power supply phone.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, with the radio function plate is example, there is not CPU in the main frame, all functions are controlled by separate CPU on each feature board and FPGA, 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.And 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 line communication 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, exchange between multicomputer, 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 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 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 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 seat in the host computer communication directly links to each other with wired 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 functions, system provide 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 also be stored nearly 256 videoconferences, can hold 64 members in the group and carry out meeting.System is gradable to carry out meeting, also can organize more and carry out meeting simultaneously, and every group of conference member number of making a speech simultaneously can reach 4 sides; That is to say and to form videoconference between a plurality of seats in host computer communication, also can between host computer communication, form the videoconference at many seats.It has " PTT " function, promptly by conference call functions, can preestablish a plurality of call service groups, can call out whole phones in this group simultaneously by a key operation, and this function is very practical for notice to navigator, announcement information issue etc.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 utility model interior lines plate;
Fig. 6 represents the circuit board figure of the utility model interior lines plate;
Fig. 7 represents the circuit diagram that has the audio frequency isolated converter of the utility model interior lines plate;
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 line communication 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 two host computer communications 1; As shown in Figure 4, described full switching network 111 can adopt transmission mediums such as optical fiber, coaxial cable, twisted-pair feeder, VLAN, VPN, protocol conversion ATS-QSIG, NO.7 and wireless bridge.
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 interior lines plate 4, outside line plate 5, seat plate 6, seat end plaste 7 and two power boards 8; Shown in Fig. 2 and 3, interior lines plate 4 and outside line plate 5 are connected to 8 of 8, two power boards of two power boards by two parallel communication network data wires and are connected to seat plate 6; Seat plate 6 connects seat end plaste 7; That is to say that interior lines plate 4 is connected with seat plate 6 by two power boards 8 respectively with outside line plate 5; The control that seat plate 6 is realized interior lines plate 4 and outside line plate 5.Two power boards 8 are connected with two full switching networks 111 of outside simultaneously; Interior lines plate 4 is connected with multi-section direct connection telephone machine 16 by port for peripheral equipment in use, realizes the unified control of 15 pairs of all wireline equipments of a user seat; The outside line plate 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 can carry out one one or multi-section direct connection telephone machine 16 had the line traffic control and the control of other a plurality of functions; And in host computer communication 1 because a plurality of pairs of net crosspoints 2 are arranged, so just make, can realize information interchange freely between the interior a plurality of user seats 15 of same host computer communication 1, between wired and wired.
And as shown in Figure 2, described dual network crosspoint 2 also includes monitor board 9, voice plate 11, recording plate 12 and magnetite plate 13; Monitor board 9, voice plate 11, recording plate 12 are connected with two power boards 8 by two inner communication networks 222 with magnetite plate 13; Above like this each feature board then all is to be connected with seat plate 6 by two power boards 8; In use, monitor board 9 is used for being connected with monitoring configurating terminal machine; 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; Magnetite plate 13 is used for being connected with magnetite or power supply phone;
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.
On described 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 20 and independent CPUs 18 and FPGA 19; As illustrated in Figures 5 and 6, with interior lines plate 4 is example, audio frequency isolated converter, digital isolator, two network-driven modules and independent CPUs and FPGA all are arranged on the printed circuit board (PCB), and network-driven module 20 and inner two parallel communication network data wires are connected, and then are connected to power board 8; Two network drives 14 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 audio frequency isolated converter 21 by two opposite digital to analog converters 22 of conversion direction on the one hand, and is connected with digital isolator 23 on the other hand, and audio frequency isolated converter 21 is connected with port for peripheral equipment with digital isolator 23; 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 interior lines plate 4 in each two net crosspoint 2, outside line plate 5, seat plate 6, monitor board 9, voice plate 11, recording plate 12, magnetite plate 13 and power board 8 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, straight-through phone 16 etc. directly are connected on each pair net crosspoint 2 pairing feature boards in the housing 14 by circuit.
And system host 1 is distributed in different zones in use, so no matter to be in the zone at native system main frame 1 place, still all can realize wired information interchange that many seats are multi-platform between native system main frame 1 and other system main frame 1.
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 wire communication facilities 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.
In addition as illustrated in Figures 5 and 6, be the aufbauprinciple of interior lines plate 4.Shown in Figure 7, be the circuit diagram that has audio frequency isolated converter 21 of interior lines plate 4.
Then being provided with a plurality of ports on power board 8 is used for and each feature board and the 111 corresponding connections of full switching network.Figure 9 shows that the structural principle simple block diagram of power board 8, each port of power board 8 all is connected to crosspoint by audio frequency isolated converter and digital isolator, and crosspoint is connected by the agreement judge module with control and land; Information enters crosspoint and control and land by handling in the agreement judge module after being isolated through digital and audio frequency by corresponding ports, transfers out again.
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 interior lines plate 4 in the host computer communication 1 by power board 8, makes to lead directly to phone 16 and directly be connected with user seat 15; 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, the function corresponding plate all can be with after the external voice information via analog-to-digital conversion on each dual network crosspoint 2, transferring to power board with the auspicious form of data by two communication network data wires transfers to user seat then and carries out information exchange, the design broadband (10M) of communication network data wire 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 nearly 256 videoconferences of storage, can hold 64 members in the group and carry out meeting.System is gradable to carry out meeting, also can organize more and carry out meeting simultaneously, and every group of conference member number of making a speech simultaneously can reach 4 sides.The utility model can carry out the videoconference of local in system host 1, also can carry out large-scale videoconference between system host 1; That is to say by a seat and can converse with the straight-through phone 16 of multi-section simultaneously; These all are to be achieved by feature boards such as two of native system parallel full switching networks 111 and power boards.
By conference call functions, can preestablish a plurality of call service groups, can call out whole phones in this group simultaneously by a key operation, this function is very practical for notice to navigator, announcement information issue etc.
Adopt the full exchange of two nets of the present utility model line communication system, between different host computer communications, 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 line communication 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 with switching network (111); Dual network crosspoint (2) mainly comprises interior lines plate (4), outside line plate (5), seat plate (6) and two power boards (8); Interior lines plate (4), outside line plate (5) all are connected to two power boards arranged side by side (8) respectively by the communication network data wire, 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 line communication system, it is characterized in that: described dual network crosspoint (2) also includes monitor board (9), voice plate (11), recording plate (12) and magnetite plate (13); Monitor board (9), voice plate (11), recording plate (12) are connected with two power boards (8) by two parallel communication network data wires with magnetite plate (13).
3, the full exchange of two nets according to claim 1 line communication system is characterized in that: be provided with audio frequency isolated converter, digital isolator, two network-driven modules and independent CPUs (18) and FPGA (19) on described interior lines plates (4), 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 two nets according to claim 2 line communication 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.
5, according to claim 3 or the full exchange of 4 described two nets line communication system, it is characterized in that: digital isolator is photoelectrical coupler and relay.
6, the full exchange of two nets according to claim 1 line communication 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.
7, the full exchange of two nets according to claim 2 line communication 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 the integrated circuit board slot (15) that the wireless plate (3) in each two net crosspoint (2), interior lines plate (4), outside line plate (5), seat plate (6), monitor board (9), GPS plate (10), voice plate (11), recording plate (12), magnetite plate (13) and power board (8) all are plugged in the housing (14) is upward temporary fixed, 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 line communication system, it is characterized in that: interior lines plate (4) is connected with the direct connection telephone machine 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 |
|---|---|---|---|
| CN200920012170U CN201388241Y (en) | 2009-03-20 | 2009-03-20 | Dual-network total-exchange cable communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920012170U CN201388241Y (en) | 2009-03-20 | 2009-03-20 | Dual-network total-exchange cable communication system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201388241Y true CN201388241Y (en) | 2010-01-20 |
Family
ID=41580784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920012170U Expired - Fee Related CN201388241Y (en) | 2009-03-20 | 2009-03-20 | Dual-network total-exchange cable communication system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201388241Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 CN200920012170U patent/CN201388241Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101109951B (en) | Transforming plant intelligent electronic equipment access system | |
| CN103812710B (en) | Power communication communication terminal special | |
| CN207650333U (en) | A kind of novel electric power fault recording and monitoring system | |
| CN201388234Y (en) | Dual-network cable communication system host | |
| CN201388238Y (en) | Dual-network total-exchange wireless communication system | |
| CN103763525A (en) | Unified video monitoring platform system of power grid | |
| CN201388237Y (en) | Dual-network total-exchange communication system host | |
| CN201388241Y (en) | Dual-network total-exchange cable communication system | |
| CN201388239Y (en) | Dual-network total-exchange network communication system | |
| CN201388240Y (en) | Dual-network wireless communication system host | |
| CN202306295U (en) | Local control unit (LCU) using optical fiber double-loop network | |
| CN203119899U (en) | RTU communication device and electric power transmission system | |
| CN209676257U (en) | A kind of intelligent station based on HSR looped network is across interval protection system | |
| CN207810974U (en) | A kind of elevator monitoring system | |
| CN204216918U (en) | multi-service optical access device | |
| CN201388235Y (en) | Dual-network cable exchange communication device | |
| CN201282475Y (en) | Automatism control device for scheduling electric network | |
| CN201388236Y (en) | Dual-network exchange communication device | |
| CN201388283Y (en) | Dual-network wireless exchange communication device | |
| CN203392646U (en) | Field bus-based remote lift monitoring system | |
| CN110677841A (en) | Laboratory data management method and device based on Bluetooth topology network | |
| CN201937333U (en) | Power dispatch network with strong anti-disaster abilities | |
| CN208656775U (en) | A kind of anti-information leakage control device of the idle fibre core of optical signal amplification light splitting | |
| CN207560024U (en) | Double net total exchange communication system hosts of ladder are pedaled with maintenance | |
| CN203788401U (en) | Unified video monitoring platform system of power grid |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100120 Termination date: 20170320 |