CN201388240Y - Dual-network wireless communication system host - Google Patents

Abstract

The utility model relates to a dual-network wireless communication system host which belongs to the filed of communication systems, and is characterized by comprising a plurality of dual-network exchange units, and the dual-network exchange units are serially connected by two parallel total-exchange networks to form a communication device; each 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 switched in the two exchange boards by two parallel communication network data lines, and the two exchange boards are connected with the seat board by the parallel communication data lines; and the two exchange boards are switched in the two parallel total-exchange networks by the communication network data lines.

Description

Two net wireless telecommunication system main frames

Technical field:

The utility model provides a kind of wireless telecommunication system that is applied to Civil Aviation System, relates in particular to the main frame of a kind of pair of net 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 with ground-air communication equipment all since import, not only spent national a large amount of foreign exchange, and inlet system in use also exposes problems such as capacity is little, poor compatibility, function singleness; And the communication system of conventional wireless, for empty conversation aspect, ground, can't realize local a bit to multiple spot, for example: radio station in the past directly is connected with remote-control box, carries out radio communication, remote-control box is then 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.All be that single line is connected between seat and the radio station in addition in the communication in the past between seat and the seat,, interrupt in case connect, will cause the paralysis of whole system, and this switching system capacity is little, and whole communication system has only a central processing unit, like this, in case the central processing unit of main frame quits work, will cause between a plurality of seats can't normal communication, also can cause the whole systemic breakdown in back.

Summary of the invention:

Goal of the invention: the utility model provides a kind of pair of net wireless telecommunication system main frame, its objective is that solution communication system seat configuration in the past is complicated, capacity is little, since single line connect cause fragile and safeguard inconvenient problem.

Technical scheme: the utility model is achieved through the following technical solutions:

A kind of pair of net wireless telecommunication system main frame is characterized in that: described main frame comprises a plurality of dual network crosspoints, and a plurality of dual network crosspoints are by two parallel full switching networks formation communication device that is cascaded; Described dual network crosspoint mainly comprises wireless plate, outside line plate, seat plate and two power boards; Wireless plate and outside line plate all insert two power boards by two parallel communication network data wires, and two power boards then are connected to the seat plate by parallel communication network data wire; Two power boards insert two parallel full switching networks by the communication network data wire.

Article two, parallel full switching network can adopt local area network (LAN) VLAN networking, wide area network VPN, DDN special line, wireless bridge, netting twine, twisted-pair feeder, optical fiber, coaxial cable.

Described dual network crosspoint also includes monitor board, GPS plate, voice plate, recording plate and magnetite plate; Monitor board, GPS plate, voice plate, recording plate are connected with two power boards by two inner parallel communication network data wires with the magnetite plate.

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.

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 that has a plurality of integrated circuit board slots of a plurality of pairs of net crosspoint arrays in the described host computer communication; And the wireless plate in each two net crosspoint, outside line plate, seat plate, monitor board, GPS plate, voice plate, recording plate, magnetite plate and power board all are plugged in the 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 invention provides a kind of pair of net wireless telecommunication system main frame, this system host is with a plurality of pairs of net crosspoints composition wireless communication platform that connects together; And each two net crosspoint comprises wireless plate, outside line plate, seat plate, seat end plaste, monitor board, GPS plate, voice plate, recording plate and magnetite plate, they link together by two parallel communication network data wires and two power boards, this pair net crosspoint 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 like this, a seat just can realize one or more wireless communications are realized control, and wireless plate 3 can be connected with a plurality of outside VHF VHF radios, just can realize the purpose of multiple spot conversation like this by the conversion between the seat, makes the seat arrangement abnormalities succinctly reasonable; 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 unified CPU in this pair net wireless telecommunication system 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 full switching network communication system main frame of this pair net is to be unit with each two net crosspoint in use, a corresponding seat and a plurality of wireless device in each two net crosspoint, each seat not only can be carried out wireless in this unit and controls other functions like this, can also realize realizing being communicated with the seat of other unit, carry out the information interchange between regional many seats, improved the flexibility and the range of application of information exchange so greatly.

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, dropped into since the experiment, none routine systemic breakdown phenomenon takes place, and reliability is significantly improved, for ensureing that flight safety provides strong support;

This utility model is after when work external voice information via analog-to-digital conversion, the form auspicious with data exchanges by these two networks, design broadband (10M) uses broadband (128K) than reaching 10:0.128 with reality, effectively raise the exchanges data reliability, really accomplish clog-free communication.

A plurality of pairs of net exchange functional unit (maximum 255 extend to 1023 as required) are formed two net wireless telecommunication system main frames by two parallel full switching systems.By two parallel full switching networks, not only can link together a plurality of pairs of net exchange functional unit, also can link together a plurality of pairs of net wireless telecommunication system main frames of local and remote, form a full switching network communication system of complete two nets, 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 import equipment 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 system 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 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 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 the utility model.

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, seat in the host computer communication directly links to each other with wireless plate, the radio communication that same seat can be carried out in this unit also can be carried out radio communication with seat and the wireless system in other unit, operation and maintenance is all comparatively simple, convenient, fail safe also improves thereupon greatly, has effectively ensured flight safety.

Each feature 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 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.

Description of drawings:

Fig. 1 represents the utility model overall structure schematic diagram;

Fig. 2 represents the schematic block diagram of the two net crosspoints of the utility model;

Fig. 3 also represents the schematic diagram of of the present utility model pair of net crosspoint;

Fig. 4 represents the schematic diagram of the exchange media of the utility model when user mode;

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 external overall structural representation 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 a kind of pair of net wireless telecommunication system main frame, described communication system main frame comprises a plurality of dual network crosspoints 2, a plurality of dual network crosspoints 2 connect again together by two parallel full switching networks 111, full switching network 111 can adopt local area network (LAN) VLAN networking, wide area network VPN, the DDN special line, transmission mediums such as wireless bridge; 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; As shown in Figure 2, wireless plate 3 is connected with two power boards 8 by two parallel communication network data wires with outside line plate 5, and two power boards 8 are connected with seat plate 6 by the communication network data wire; Seat plate 6 connects seat end plaste 7; Two power boards 8 are connected with two full switching networks 111 of outside respectively simultaneously; Like this, just link together between a plurality of dual network crosspoint 2 by power board 8 and full switching network 111.And in each dual network crosspoint 2, just formed the circuit that wireless plate 3 and outside line plate 5 all are connected with seat plate 6 by two power boards 8.

Wireless in use plate 3 is connected with one one of outside or multi-section VHF VHF radio by port for peripheral equipment, makes outside VHF VHF radio to control by the user seat 15 of dual network crosspoint 2; And 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, will on each two net crosspoint 2, form the construction unit that 15 pairs one one of user seat or multi-section wireless device are freely controlled like this, also make and freely to be communicated with mutually between the user seat 15 on a plurality of pairs of net crosspoints 2 and be communicated with the full switching network communication system main frame of of the present utility model two nets that the back forms between a plurality of pairs of net crosspoints 2, like this user seat 15 not only can carry out in the two net crosspoints 2 of itself wireless and controls other functions, can also carry out information communication with the user seat 15 on other pairs net crosspoint 2, or link up with wireless or other functions on other pairs net crosspoint 2, such design just makes that the configuration of user seat 15 is succinctly efficient, and need not be as in the past, on each user seat 15, all dispose a plurality of remote-control boxs, and in whole main frame, just have more remote-control box, use and inconvenience; And this pair net line communication system main frame just with user seat 15 and wireless between, be organically combined togather between user seat and the user seat.

And as shown in Figure 2, described dual network crosspoint 2 also includes monitor board 9, GPS plate 10, voice plate 11, recording plate 12 and magnetite plate 13; Monitor board 9, GPS plate 10, voice plate 11, recording plate 12 are connected with two power boards 8 by two inner communication networks 222 with magnetite plate 13; 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; Magnetite plate 13 is used for being connected with magnetite or power supply phone;

Shown in Fig. 5,6 and 7, 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, monitor board 9, voice plate 11, FPGA is exactly a field programmable gate array; As illustrated in Figures 5 and 6, with wireless plate 3 is example, audio frequency isolated converter 21, digital isolator 23, two network-driven modules 20 and independent CPUs 18 and FPGA 19 all are arranged on the printed circuit board (PCB), network-driven module 20 is connected with inner two parallel communication network data wires, and then is 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 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; Voice data transfers data to CPU after passing through audio frequency isolated converter and digital isolator, FPGA handles; And digital isolator can adopt photoelectrical coupler or relay.

10 of GPS plates include CPU and two network-driven modules, and the network-driven module is connected to CPU by circuit, and CPU then is connected with serial ports.

As shown in Figure 8, a plurality of pairs of net crosspoint 2 arrays in the described main frame 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, 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, VHF VHF radio 17 etc. directly are connected on each pair net crosspoint 2 pairing feature boards in the housing 14 by circuit.

As shown in Figure 9, be the structural principle simple block diagram of power board 8, on power board 8, then be provided with a plurality of ports and be used for and each feature board and the 111 corresponding connections of full switching network.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.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, are delivered to each feature board again.

Shown in Fig. 5,6 and 7, be the aufbauprinciple of wireless plate 3 in addition.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.

In addition because the utility model 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 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 digital isolator, just photoelectrical coupler and 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.

The interface of this pair of net wireless telecommunication system main frame 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 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 the information exchange between each pair net crosspoint 2 in two net wireless telecommunication system main frames, thereby realize to realize interregional multi-platform global function networking, accomplish the resource-sharing between two net crosspoint 2 platforms.

The platform architecture of this pair of full switching network communication system main frame of net 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 this pair net wireless telecommunication system main frame, user seat 15 directly links to each other with wireless plate 3 in the main frame by power board 8, one one or multi-section radio station 17 then link to each other with wireless plate 3, and like this, same user seat 15 just can carry out radio communication with one one or multi-section radio station; And simultaneously, also can carry out information interchange between the seat of per two dual network crosspoints 2, improve the range of application of communication system greatly, and its operation and maintenance is all than simple, convenient, fail safe also improves thereupon greatly, has effectively ensured flight safety.

In this pair net wireless telecommunication system main frame on the feature board of each two net crosspoint 2, all be integrated with two full switching network redundancy runnings of isolating each other, as shown in Figure 3, this figure is the composition of two net crosspoints, and it is made up of basic two networks and a plurality of feature board.

This pair net wireless telecommunication system main frame is when using, after the feature board of external voice information via correspondence wherein carries out analog-to-digital conversion, the form auspicious with data exchanges by these two networks, design broadband (10M) uses broadband (128K) than reaching 10: 0.128 with reality, effectively raise the exchanges data reliability, really accomplish clog-free communication.

This pair of net wireless telecommunication system main frame adopts redundant full switching network framework, two net concurrent workings, can carry out dilatation easily, for example can increase a plurality of pairs of net crosspoints 2, so also just increase more user seat, and made that more reasonable, the interregional contact of the utilization of resources is tightr, really accomplished clog-free communication, at present, the capacity of native system main frame surpasses international similar system heap(ed) capacity more than 2 times.

Full redundancy network parallel work that the feature board of this pair of net wireless telecommunication system main frame is all integrated provides the data exchange capability that is not less than 10Mpbs between any two feature boards; And if desired a plurality of of the present utility model pair of net wireless telecommunication system main frames are coupled together, then also can utilize parallel two full switching networks 111 that information is exchanged between multicomputer, the exchange rate of 100M, 1000M can be provided, like this, when two same two net wireless telecommunication system main frames are arranged on the different location, and the same information exchange that also just can realize the strange land after coupling together by two full switching networks 111; And being accompanied by rapid development of network technology now, this pair net wireless telecommunication system main frame 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 this pair of net wireless telecommunication system main frame have successfully solved this difficult problem, adopt abundant networking scheme; And the user seat 15 in the remote double net wireless telecommunication system main frame 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 two net wireless telecommunication system main frames adopt different communications protocol, and much imported product is not that data transaction agreement and technology are provided, therefore when interconnecting, multisystem has very big difficulty.The communication protocol of this pair of net full switching network communication system main frame independent development can make the communication protocols between the full switching network communication system main frame of different two nets change mutually, and and different product between have very strong compatibility.

This pair of net wireless telecommunication system main frame adopts the separate CPU decentralized control, high performance 32 intelligent processors (CPU) NIOSII is all arranged on the every feature board of two net crosspoints 2, be 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.

This utility model also has maintainability, be in particular 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.

In addition, two net crosspoints 2 in this pair net wireless telecommunication system main frame can be realized active and standby VHF radio seamless switching, when on same user 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.

The utility model, equipment are succinctly reasonable, and be practical, relatively is fit to be applied in the civil aviaton field.

Claims (8)

1, a kind of pair of net wireless telecommunication system main frame, it is characterized in that: described main frame comprises a plurality of dual network crosspoints (2), a plurality of dual network crosspoints (2) are by two parallel full switching networks (111) formation communication device that is cascaded; Described dual network crosspoint (2) mainly comprises wireless plate (3), outside line plate (5), seat plate (6) and two power boards (8); Wireless plate (3) and outside line plate (5) all insert two power boards (8) by two parallel communication network data wires, and two power boards (8) then are connected to seat plate (6) by parallel communication network data wire; Two power boards (8) insert two parallel full switching networks (111) by the communication network data wire.

2, according to claim 1 pair of net wireless telecommunication system main frame, it is characterized in that: two parallel full switching networks (111) can adopt local area network (LAN) VLAN networking, wide area network VPN, the DDN special line, wireless bridge, netting twine, twisted-pair feeder, optical fiber, coaxial cable.

3, according to claim 1 pair of net wireless telecommunication system main frame is characterized in that: described dual network crosspoint (2) also includes monitor board (9), GPS plate (10), voice plate (11), recording plate (12) and magnetite plate (13); Monitor board (9), GPS plate (10), voice plate (11), recording plate (12) and magnetite plate (13) are connected with two power boards (8) by two inner parallel communication network data wires.

4, according to claim 1 pair of net wireless telecommunication system main frame 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.

5, according to claim 3 pair of net wireless telecommunication system main frame, 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 4 or 5 described pairs of net wireless telecommunication system main frames, it is characterized in that: digital isolator adopts photoelectrical coupler or relay.

7, according to claim 1 pair of net wireless telecommunication system main frame is characterized in that: being arranged in the housing (14) that has a plurality of integrated circuit board slots (15) of a plurality of pairs of net crosspoints (2) array in the described host computer communication (1); 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), recording plate (12), magnetite plate (13) and power board (8) all are plugged in the 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, according to claim 1 pair of net wireless telecommunication system main frame, 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.

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