CN208401862U - Double net total exchange line communication systems - Google Patents

Abstract

A kind of double net total exchange line communication systems, the communication system contain at least two host computer communication, are joined together to form communication device by two parallel exchange networks between every two host computer communication；Multiple host computer communications are connected to the network together by the system using two parallel total exchanges, form whole communication structure；Arrangement between existing in disorder unit is clamped together to form an interim entirety by the utility model using temporary fixture, so it avoids the problems of previous, when needing repairing or replacing, only needing to rotate the stubborn cap of fine jade can be completed clamping and loosens, and use is very convenient.

Description

Double net total exchange line communication systems

Technical field

The utility model provides a kind of line communication system applied to Civil Aviation System more particularly to a kind of double net total exchanges Line communication system.

Background technique

Line communication system is most important link in civil aviaton's production run, and for a long time, the primary wire communication in China is set Standby majority is dependent on import, not only takes a large amount of foreign exchanges of country, but also also to expose capacity in use small, simultaneous for inlet system The problems such as capacitive is poor, has a single function；And traditional line communication system, aspect of for ground conversing, it cannot achieve local Point to multi--point, and the local call with nonlocal point to multi--point, such as: previous wired call is a pair between phone The connected carry out wire communication answered, phone then form control seat, in this case, have carried out line traffic control in many ways if necessary to same, It then just needs to configure multi-section phone at seat end, so seat arrangement abnormalities are many and diverse, all bring to operation and maintenance Great inconvenience.In addition previous communication system is single line connection, once disconnecting, will result in the paralysis of whole system Paralysis, and previous communication system poor compatibility；And only one central processing unit in previous communication host computer communication, this Sample will also result in rear whole systemic breakdown once the central processing unit of host stops working；And air communications system be maintain it is winged The indispensable system of row safety.

Existing equipment is mostly scattered to be put together, and is not only taken up a large amount of spaces, is also had the security risk of wiring, It is all unfavorable simultaneously for maintenance, repair and maintenance.

Summary of the invention

Goal of the invention: the utility model provides a kind of double net total exchange line communication systems, previous the purpose is to solve The problem that communication system capacity is small, seat configuration is complicated, easy to damage as caused by single line connection and maintenance is inconvenient.

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

A kind of double net total exchange line communication systems, it is characterised in that: the communication system contains at least two communication master Machine is joined together to form communication device by two parallel exchange networks between every two host computer communication；Each communication master Machine includes the dual network crosspoint that at least one connect with exchange network；Dual network crosspoint mainly includes interior lines plate, outer Line plate, seat plate and two pieces of power boards；Interior lines plate, outside line plate pass through communication network data line and are respectively connected to two pieces of friendships side by side Plate is changed, two pieces of power boards are commonly connected to seat plate；Two pieces of power boards are connect with two parallel exchange networks simultaneously.

The dual network crosspoint that wireless plate, interior lines plate, outside line plate, seat plate and two pieces of power boards are formed, it is wireless plate, interior Line plate, outside line plate, seat plate and two pieces of power boards are respectively disposed in a shell, between multiple shells array be arranged to be formed it is double Network exchange unit, two adjacent dual network crosspoints are fixedly clamped by three-dimensional temporary fixture；

Three-dimensional temporary fixture includes main clamp and sub-folder tool, and main clamp includes positioning disk, clamping plate and pull rod；Clamping plate includes fixed Position plate and flexible fixture, the fixture that stretches be two and be symmetrical arranged, one end of flexible fixture be provided with extend downwardly and with it is flexible The other end of the rectangular vertical plate of fixture, flexible fixture puts in positioning plate and can do telescopic moving relative to the positioning plate；

Pull rod is two groups, and every group of pull rod includes front tension bar and back stay, and one end of front tension bar, which is provided with, catches on the vertical of vertical plate Gear, the other end are flexibly connected with back stay by shaft, and one end of back stay is flexibly connected with front tension bar, the other end of back stay It is movably arranged on the side wall of positioning disk；Front tension bar and back stay form V-arrangement and are flexibly connected arm configuration；Two groups of pull rods are divided into positioning The opening direction that the two sides of disk and V-arrangement are flexibly connected arm configuration is opposite；

The upper end of positioning disk is provided with fine jade and twists cap, the stubborn cap of fine jade is coaxial with positioning disk and can be relative to positioning disc spins, fine jade The bottom end of cap is twisted by column connection activity tie rod, one end of movable tie rod is flexibly connected with column, and the other end passes through drawing Tight shaft is connected to the middle part of back stay, and movable tie rod can be rotated as axis using tensing shaft and can also be revolved by axis of the axis of column Turn；

It is hollow groove in the middle part of cap that fine jade, which is twisted, and the top of positioning disk puts in fine jade and twists in the hollow groove of cap, twists the hollow groove of cap in fine jade Side wall be provided with multiple location holes, be also equipped on positioning disk it is multiple for fixing bolt insertion band internal threads fix Hole, when fine jade twist cap fine jade be screwed onto clamp positioning position after at least one location hole it is corresponding with the fixation hole on positioning disk；

Sub-folder tool includes pilum, has externally threaded adjustment screw, strap and two dynamic clamping plates；Pilum pass through across Fine jade twists fixed between positioning disk, the hollow barreled structure of pilum after cap, and internal screw thread is provided in cavity, adjustment screw Lower end puts in pilum and is threadedly engaged with pilum, and the upper end of adjustment screw is provided with connector, and adjustment screw can be relative to connection Relatively fixed between head rotation and axial direction, (being exactly that axial distance is constant) strap is T-shaped to be made of transverse slat and vertical plate Structure, transverse slat are fixedly connected on connector, and dynamic clamping plate is the L-shaped structure being made of transverse slat and vertical plate, move the transverse slat one of clamping plate End is provided with position limiting slide block, and the position limiting slide block of two dynamic clamping plates is put in respectively in the sliding slot of the left and right on the transverse slat of strap two Enable dynamic clamping plate mobile relative to strap；The transverse slat bottom of dynamic clamping plate connects linkage by connecting rod and vertical gear.

The dual network crosspoint further includes having monitor board, voice plate, recording plate and magnet plate；Monitor board, voice Plate, recording plate and magnet plate are connect by two parallel communication network data lines with two pieces of power boards.

Audio isolated converter, digital isolator, two panels net are provided on the interior lines plate, outside line plate, seat plate Network drive module and independent CPU and FPGA；Two pieces of network driver blocks connects by circuit with CPU, CPU pass through circuit and On the one hand FPGA connection, FPGA pass through digital analog converter and connect with audio isolated converter, be on the other hand directly isolated with number Device connection；Audio isolated converter digital isolator is connected to port for peripheral equipment, and two panels network driver block then pass through it is logical News network data line is connected to two pieces of power boards.

Multiple interfaces connecting with each feature board and the interface with total exchange network connection are provided on the power board, Total interface passes through audio isolated converter and digital isolator is connect with crosspoint, and crosspoint and control and routing are assisted Discuss judgment module connection.

Digital isolator is photoelectrical coupler and relay.

The transmission medium of two parallel exchange networks is optical fiber, coaxial cable, twisted pair, VLAN, VPN, protocol conversion ATS-QSIG, NO.7 and wireless bridge.

The setting of multiple double net crosspoint arrays in the host computer communication is in shell；And each double net crosspoints In wireless plate, interior lines plate, outside line plate, seat plate, monitor board, GPS plate, voice plate, recording plate, magnet plate and power board insert It connects and is fixed temporarily on the intracorporal board slot of shell, power board is plugged on the both ends of board slot.

Interior lines plate is connect with direct connection telephone machine when in use；Outside line plate is connect with local telephone network or programme-controlled exchange when in use； Seat plate passes through seat end plaste when in use and connect with user seat.

The top spring for contacting two flexible fixtures is provided in positioning plate；The fine jade for facilitating fine jade stubborn is provided in adjustment screw Twist circle.

Front tension bar passes through shaft and vertical gear connection, the axial direction of the shaft axial direction i.e. with front tension bar identical as vertical gear direction Vertically, front tension bar can be rotated around the shaft.

The bottom of positioning disk is provided with the sucker that positioning plate upper surface is sucked when use.

Advantage and effect: the utility model provides a kind of double net total exchange line communication systems, and the system is by multiple communications Host computer two parallel total exchange network connections together, form whole communication structure；And each host computer communication then wraps Containing multiple double net crosspoints, it is exactly as unit of each double net crosspoints that the information between whole system, which is converted and exchanged, , it is organically connected together then will to pass through two parallel total exchange networks between multiple double net crosspoints, is formed logical Host is interrogated, and each host computer communication is distributed in different regions, to realize interregional call；Then can realize host it Between information communication；Two parallel total exchange networks can choose many carriers and be interconnected (such as: cable, twisted pair, light Fibre, coaxial cable etc.), and have many mature and stable networkings and routing plan can choose (such as: local area network VLAN networking, Wide area network VPN, DDN special line, wireless bridge etc.), it can provide the exchange rate of 100M, 1000M, improving whole system in this way Information conversion rate while, substantially increase the capacity of system；And the knot of the double net crosspoints of each of host computer communication Structure is that interior lines plate, outside line plate, seat plate, monitor board, voice plate, recording plate and magnet plate are passed through two parallel communication networks Network data line links together with two pieces of power boards, and seat plate is connect with seat end plaste, seat end plaste then with user seat The communication device formed is connected, and the unit is when in use, and interior lines plate is connect with direct connection telephone machine, makes direct connection telephone machine can also be with It is conversed and is controlled by seat；And interior lines plate can be connect with multi-section direct connection telephone machine, in this way by between a seat Conversion can realize the purpose to multiparty control, keep seat arrangement abnormalities succinctly reasonable；Simultaneously as each double net exchanges In this case it just includes multiple seats, seat in such host computer communication in each host computer communication that unit, which corresponds to a seat, It can freely be exchanged between seat, and multiple seats between host computer communication and host computer communication also be free to be handed over Stream, in this way since, it will be able to realize the information interchange in host computer communication, the information interchange between host computer communication also may be implemented.

In addition other feature boards are also configured in double net crosspoints, such as: outside line plate and local telephone network or programme-controlled exchange Machine connects the connection of realization system and external telephone；Monitor board is used to connect with monitoring configurating terminal machine, for monitoring system System safety simultaneously issues alarm signal；GPS plate is connect with external clock reference, realizes that clock is synchronous；And voice plate be then used for store to The voice messaging that each corresponding function plate of dual network crosspoint is sent；Recording plate is then used for the local recording at long-range seat； Magnet plate is used for and magnetite or power supply telephone connection.In addition, on each feature board of double net crosspoints of system, it is all integrated There is two total exchange network redundancies being isolated each other operation, system uses distributed control structure, main by taking radio function plate as an example There is no central processing unit in machine, functional separate CPU and FPGA by each feature board controlled, distributed control Structure can be limited in failure in minimum range, and the failure of any feature board all will not influence the normal fortune of whole system Row, makes reliability be significantly improved.

In addition the utility model also has the advantages that following several respects:

Due to using the working method of distributed control structure and dual network parallel redundancy, data exchange is unblocked, System run all right, by many experiments, no an example systemic breakdown phenomenon occurs, and reliability is significantly improved, to protect Barrier flight safety provides strong support.External voice information is auspicious with data after the analog-to-digital conversion of corresponding feature board Format swapped by the two networks, design broadband (10M) and actual use broadband (128K) ratio reach 10:0.128, Data exchange reliability is effectively raised, clog-free communication is truly realized.

Multiple double net crosspoints (255 maximum, to extend to 1023 as needed) pass through two parallel full friendships The host computer communication of switching network composition system.Then again by two parallel total exchange networks, the multiple logical of local and remote News host links together, and forms a complete double net total exchange line communication systems, makes the utilization of resources between strange land more Rationally, interregional connection is even closer, control scheduling is more safe and reliable.

The utility model uses two parallel total exchange network architectures of redundancy, double net concurrent workings, it may be convenient to Dilatation is carried out, and the connection for keeping the ground utilization of resources more reasonable, interregional is even closer, is truly realized clog-free communication, currently, This system capacity is more than international similar system maximum capacity 2 times or more.Each feature board of the utility model is all integrated with complete superfluous Co-net network concurrent working provides the data exchange capability for being not less than 10Mpbs between any two feature board, hands between multicomputer It changes, along with the rapid development of network today technology, this system will possess very powerful dilatation ability.In such exchange energy It attends a banquet under power, the quantity of the various interfaces such as analog subscriber, digital subscriber can almost be used rich with unconfined dilatation Rich networking solutions can be realized interregional multi-platform global function networking, accomplish resource-sharing.

In addition, many imported products are not to provide Data Conversion Protocol and technology, therefore exist in multisystem interconnection Very big difficulty.And the utility model uses different communications protocol, using the communication protocol of independent development, can make different logical Communication protocol between news host is mutually converted, and has very strong compatibility between different product.

The utility model can be with various landline communication equipments used in the external current country, and these equipment are just Often operation is directly related to safety of civil aviation production.Once the damage to access device is caused due to this system internal fault, Its loss is beyond measure.Therefore, each feature board of this system carries out all input/output ports in design All isolation.All audio input output signals (RX, TX and telephone signal) are isolated by audio isolated converter； Digital signal (PTT, SQL, ALM) is isolated by photoelectrical coupler and relay.It, can be with using full isolation access way Even if guaranteeing when catastrophe failure occurs in this system, any influence will not be generated to equipment such as the very high frequency(VHF)s of access, effectively Improve can beechnut global reliability and safety.

The utility model also uses the interface of self-adapting type.When external equipment access, CPU on each feature board and FPGA can automatic discrimination signal polarity and level, by after internal polar and level conversion export a standard control signal into Row processing.To the output signal of system, each feature board equally carries out intelligentized processing, and output signal is made to meet access device It needs.This processing mode can satisfy ground connection/dry contact /+5V/+12V/-48V of digital signal etc., greatly facilitate The connection of different agreement very high frequency(VHF) equipment, improves the adaptability of system.

The utility model uses separate CPU decentralised control, has high performance 32 intelligent processors on every piece of feature board (CPU) NIOSII, for handle redundancy communications protocol, audio acquisition and audio the functions such as synthesis.In entire application and In maintenance process, scattered control system structure can be limited in failure in minimum range, and the failure of any feature board is not It will affect the normal operation of whole system.System reliability compare using traditional core host control mode system have into One step improves, stable, to ensure that flight safety provides strong support.

The utility model uses total exchange network technology, has apparent advantage compared with traditional PCM switching technology. The comparison of two kinds of technologies is as follows:

PCM switching technology is a kind of digital signal exchanged form before network technology is improved, and is similar to analog switch The exchanged form of matrix conversion, there are limitations for exchange capacity；Whole network switching technology is then novel digital signal exchange skill Art is the rapid development with network technology and is born out, there is that exchange capacity is big, transmission broadband is larger, control is flexible The features such as, in particular by the total exchange network structure of fault-tolerant encoding technology, have data transmission quasi- in data exchange process Really, feature in time more meets civil aviaton's industry to the particular/special requirement of communication system security and reliability.

PCM switching technology is to control being switched on or switched off for exchange chip channel using control chip.Total exchange network skill The data of art are with auspicious format transmission, and there is determining destination address on the auspicious head of each data, and exchange chip is according to purpose Address carries out the auspicious exchange of data.The information of PCM exchange enables processing capacity by the speed of processor, and total exchange network is institute Some signaling processing are distributed to each port up, disobey the speed for being against processor.

PCM exchange needs synchronised clock, if losing synchronised clock, PCM exchange will paralyse, and total exchange network is then not Need synchronised clock.Total exchange network technology can provide more networking modes compared with PCM switching technology.

In terms of operation and maintenance mode.After the utility model, the seat in host computer communication directly passes through exchange Plate is connected with wired plate, and all compared with simple, conveniently, safety also greatly improves therewith, has effectively ensured and has flown for operation and maintenance Row safety.

In addition the board of the utility model can be with hot plug.Any board (including power board), under energization operating status It is hot-swappable, facilitate user to safeguard in the case where not influencing use.

The utility model possesses comprehensive in-service surveillance control platform.It can detecte the letter of any one data in system Breath, intelligent judgement failure and acousto-optic alarm；Remote maintenance functions, system provide the maintenance function of remote dial, producer's dimension Shield personnel can be connected into system by dial mode, user is helped to carry out breakdown judge and information in the case where user permits Configuration；The full redundancy of exchange system designs.Make can to close or pull up in custom system use process any one power board into Row exchange, the normal use without influencing system.

The utility model can also store up to 256 videoconferences, and 64 members can be accommodated in group and carry out meeting.System Gradable carry out meeting, can also carry out simultaneously meeting with multiple groups, and every group of conference member makes a speech number up to 4 sides simultaneously；Namely Videoconference can be formed between multiple seats in host computer communication by saying, more seats can also be formed between host computer communication Videoconference.It has the function of " push to talk ", i.e., by conference call functions, can preset multiple call service groups, pass through one Key operation can call whole phones in the group simultaneously, this function it is non-for notice to navigator, notification information publication etc. often with There is practicability.The total exchange network technology of the utility model can also use the communications protocol of independent research, pass through protocol conversion Unit and the interior words equipment interconnection for using other communications protocol.

It particularly to be noted that the utility model is by the arrangement between existing in disorder unit using interim folder Tool is clamped together to form an interim entirety, so avoids the problems of previous, needs repairing or more When changing, it is only necessary to which rotating the stubborn cap of fine jade can be completed clamping and loosen, and use is very convenient.

The utility model, equipment is succinctly reasonable, practical, compares and is suitably applied in civil aviaton field.

Detailed description of the invention:

Fig. 1 shows the utility model overall structure diagrams；

Fig. 2 indicates the structural schematic diagram of the utility model host computer communication；

Fig. 3 indicates the schematic diagram of double net crosspoints of the utility model；

Fig. 4 indicates the schematic diagram of the utility model exchange media；

Fig. 5 indicates the structural block diagram of the utility model interior lines plate；

Fig. 6 indicates the circuit board figure of the utility model interior lines plate；

Fig. 7 indicates the circuit diagram with audio isolated converter of the utility model interior lines plate；

Fig. 8 shows the overall structure diagrams of the utility model host computer communication；

Fig. 9 indicates the structural principle block diagram of the utility model power board；

Figure 10 is three-dimensional temporary fixture schematic diagram；

Figure 11 is main clamp top view；

Figure 12 is the position the A enlarged drawing of Figure 10.

Specific embodiment: the utility model is described further with reference to the accompanying drawing:

As shown in Figure 1, the utility model provides a kind of double net total exchange line communication systems, the communication system includes extremely Lack two host computer communications 1, is connected, formed by external two parallel total exchange networks 111 between every two host computer communication 1 Whole communication device；It is freely communicated in this way, can be realized between two host computer communications 1 by two total exchange networks 111；Such as Shown in Fig. 4, the total exchange network 111 can use optical fiber, coaxial cable, twisted pair, VLAN, VPN, protocol conversion ATS- The transmission mediums such as QSIG, NO.7 and wireless bridge.

Each host computer communication 1 includes at least three dual network crosspoints 2；It is also between multiple dual network crosspoints 2 It is linked together by two total exchange networks 111；Dual network crosspoint 2 mainly includes interior lines plate 4, outside line plate 5, seat Plate 6, seat end plaste 7 and two pieces of power boards 8；As shown in Figures 2 and 3, interior lines plate 4 and outside line plate 5 pass through two parallel communications Network data line is connected to two pieces of power boards 8, and two pieces of power boards 8 are then connected to seat plate 6；Seat plate 6 connects seat end plaste 7；That is interior lines plate 4 and outside line plate 5 are connect by two pieces of power boards 8 with seat plate 6 respectively；Make the realization pair of seat plate 6 The control of interior lines plate 4 and outside line plate 5.Two pieces of power boards 8 are connect with two external total exchange networks 111 simultaneously；When in use Interior lines plate 4 is connect by port for peripheral equipment with multi-section direct connection telephone machine 16, realizes that a user seat 15 wired is set to all Standby is uniformly controlled；Outside line plate is connect by port for peripheral equipment with local telephone network or programme-controlled exchange, seat end plaste 7 and user's seat Position 15 connects, in this way, will realize that a seat can be carried out to one or the straight-through electricity of multi-section in each double net crosspoints The control for having line traffic control and other multiple functions of phone 16；And due to there is multiple double net crosspoints 2 in host computer communication 1, Allow in this way, between multiple user seats 15 in same host computer communication 1, it is wired and wired between may be implemented freely to believe Breath exchange.

The dual network crosspoint 2 that wireless plate 3, interior lines plate 4, outside line plate 5, seat plate 6 and two pieces of power boards 8 are formed, nothing Line plate 3, interior lines plate 4, outside line plate 5, seat plate 6 and two pieces of power boards 8 are respectively disposed in a shell, battle array between multiple shells Column setting forms dual network crosspoint 2, and two adjacent dual network crosspoints 2 are fixedly clamped by three-dimensional temporary fixture；

Three-dimensional temporary fixture includes main clamp and sub-folder tool, and main clamp includes positioning disk 25, clamping plate and pull rod；Clamping plate includes Positioning plate 26 and flexible fixture 27, the fixture 27 that stretches are two and are symmetrical arranged that one end of flexible fixture 27 is provided with to downward It stretches and the vertical plate 30 rectangular with flexible fixture 27, the other end of flexible fixture 27 puts in positioning plate 26 and can determine relative to this Position plate 26 does telescopic moving；

Pull rod is two groups, and every group of pull rod includes front tension bar 28 and back stay 29, one end of front tension bar 28 be provided with catch on it is vertical The vertical gear 31 of plate 30, the other end are flexibly connected with back stay 29 by shaft, and one end of back stay 29 and 28 activity of front tension bar are even It connects, the other end of back stay 29 is movably arranged on the side wall of positioning disk 25；Front tension bar 28 and back stay 29 form V-arrangement and are flexibly connected Arm configuration；Two groups of pull rods are divided into the two sides of positioning disk 25 and the opening direction of V-arrangement flexible connection arm configuration is opposite；

The upper end of positioning disk 25 is provided with fine jade and twists cap 32, the stubborn cap 32 of fine jade is coaxial with positioning disk 25 and can be relative to positioning disk 25 rotations, fine jade twist the bottom end of cap 32 by 33 connection activity tie rod 34 of column, and one end of movable tie rod 34 and column 33 are living Dynamic connection, the middle part that the other end is connected to back stay 29 by tensing shaft, movable tie rod 34 can be revolved using tensing shaft as axis Turn and can also be rotated by axis of the axis of column 33；

It is hollow groove in the middle part of cap 32 that fine jade, which is twisted, and the top of positioning disk 25 puts in fine jade and twists in the hollow groove of cap 32, twists cap 32 in fine jade The side wall of hollow groove be provided with multiple location holes 35, multiple having for fixing bolt insertion are also equipped on positioning disk 25 The fixation hole of internal screw thread, when fine jade is twisted after 32 fine jade of cap is screwed onto the position for clamping positioning at least one location hole 35 and positioning disk 25 Fixation hole it is corresponding；

Sub-folder tool includes pilum 38, has externally threaded adjustment screw 39, strap 40 and two dynamic clamping plates 41；Pilum 38 across across fine jade twist cap 32 after positioning disk 25 fixed, the hollow barreled structure of pilum 38, and be provided in cavity Internal screw thread, the lower end of adjustment screw 39 put in pilum 38 and are threadedly engaged with pilum 38, and the upper end of adjustment screw 39 is provided with company Connector 42, adjustment screw 39 can rotate and relatively fixed between axial direction relative to connector 42, and (being exactly that axial distance is constant) is solid Clamp plate 40 is the T-shaped structure being made of transverse slat and vertical plate, and transverse slat is fixedly connected on connector 42, and moving clamping plate 41 is by cross Transverse slat one end of the L-shaped structure that plate and vertical plate are constituted, dynamic clamping plate 41 is provided with position limiting slide block 43, the position limiting slide block of two dynamic clamping plates Enable dynamic clamping plate 41 relative to strap 40 in 43 sliding slots 44 of the left and right put on the transverse slat of strap 40 respectively two It is mobile；The transverse slat bottom of dynamic clamping plate 41 connect linkage with vertical gear 31 by connecting rod 45.

The top spring 36 for contacting two flexible fixtures 27 is provided in positioning plate 26；It is provided in adjustment screw 39 conveniently The stubborn fine jade of fine jade twists circle 46.

Front tension bar 28 is connect by shaft with vertical gear 31, the axial direction of the shaft axis i.e. with front tension bar 28 identical as vertical gear direction Vertical to direction, front tension bar 28 can be rotated around the shaft.

The bottom of positioning disk 25 is provided with the sucker 37 that 26 upper surface of positioning plate is sucked when use.

The three-dimensional temporary fixture is in use, by wireless plate 3, interior lines plate 4, outside line plate 5, seat plate 6 and two pieces of power boards 8 etc. Multiple units with shell array as shown in Figure 10 is placed in together, and then presss from both sides the vertical plate 30 of the flexible fixture 27 of main clamp Another two groups of dual network crosspoints 2 are placed in fixing clamp by the firmly multiple two sides with shell of array together as shown in Figure 10 Then cap 32 is twisted along Figure 11 arrow direction rotation fine jade in 47 two sides of vertical plate of plate 40, at this moment, back stay 29 is lever construction, is passed through The movement that fine jade twists 32 drive activity tie rod 34 of cap is rotated, and then pulls back stay 29, so that back stay 29 tenses front tension bar 28 So that vertical gear 31 tightly withstands the vertical plate 30 of two sides, meanwhile, dynamic clamping plate 41 also thinks interior tightening under the drive of vertical gear 31, point Another two groups of dual network crosspoints 2 are not clamped, and then complete being fixedly clamped for entirety, then pass through location hole using fixing bolt It is fixed in the fixation hole being screwed into after 3 on positioning disk 25, when needing to dismantle, takes out fixing bolt, then in top spring Under the action of 36, contact is clamped.It is ideal using very convenient and effect.46 rotation adjustment screw 39 of circle is twisted by rotation fine jade, Change the distance that adjustment screw 39 puts in positioning disk 25, and then adjust the distance between main clamp and sub-folder tool, to adapt to difference Application.

And as shown in Fig. 2, the dual network crosspoint 2 further includes having monitor board 9, voice plate 11, recording 12 and of plate Magnet plate 13；Monitor board 9, voice plate 11, recording plate 12 and magnet plate 13 pass through two internal communication networks 222 and two pieces of friendships Change the connection of plate 8；Each feature board above so is then to be connect by two pieces of power boards 8 with seat plate 6；When in use, it monitors Plate 9 is used to connect with monitoring configurating terminal machine；And voice plate 11 is then for storing each corresponding function to dual network crosspoint 2 The voice messaging that energy plate is sent；Plate 12 of recording then is recorded for the local of long-range seat；Magnet plate 13 is used for and magnetite or power supply Telephone connection；

And multiple ports are then provided on power board 8 for being correspondingly connected with each feature board.Fig. 9 show power board 8 structural principle simple block diagram, in power board 8 information enter after number and audio isolation crosspoint and control and land by Processing in agreement judgment module, then transfer out.

On the interior lines plate 4, outside line plate 5, seat plate 6, monitor board 9, voice plate 11, recording plate 12 and magnet plate 13 It is provided with audio isolated converter, digital isolator, two panels network driver block 20 and independent CPU 18 and FPGA 19；Such as Shown in Figures 5 and 6, by taking interior lines plate 4 as an example, audio isolated converter, digital isolator, two panels network driver block and independent CPU and FPGA is respectively provided on a printed circuit, and network driver block 20 and internal two parallel communication network data lines connect It connects, and then is connected to power board 8；Two pieces of network driver blocks 20 are connect by circuit with CPU, and CPU is connected by circuit and FPGA It connects, CPU and FPGA form control unit；FPGA on the one hand pass through two opposite digital analog converters of conversion direction 22 and audio every Connect from converter 21, and on the other hand connect with digital isolator 23, audio isolated converter 21 and digital isolator 23 and Port for peripheral equipment connection；And digital isolator can use photoelectrical coupler or relay.FPGA is exactly field programmable gate Array.

As shown in figure 8, the setting of multiple double 2 arrays of net crosspoint in the host computer communication 1 is in shell 14；And it is every Interior lines plate 4, outside line plate 5, seat plate 6, monitor board 9, voice plate 11, recording plate 12, magnet plate 13 in a double net crosspoints 2 It is plugged in the board slot 24 of shell 14 with power board 8, power board 8 is plugged on the both ends of board slot 24.It is various external Equipment includes user seat 15, straight-through phone 16 etc. directly by each double net crosspoints 2 in connection to shell 14 On corresponding feature board.

And system host 1 is distributed in different regions when in use, so either in the region where this system host 1 It is interior, or the multi-platform cable information in more seats may be implemented between this system host 1 and other systems host 1 and exchange.

It is illustrated in figure 3 the simple block diagram of the utility model type of attachment, each feature board and power supply are shown in figure Connection, each feature board is identical compared with well known circuit board as the connection of power supply, repeats no more herein.

Because this system can be with various wire communication facilities used in the external current country, and the normal fortune of these equipment Row is directly related to safety of civil aviation production.Once causing the damage to access device due to this system internal fault, damage Mistake is beyond measure.Therefore, each feature board of this system design when, to all input/output ports carried out portion every From.All audio input output signals (RX, TX and telephone signal) are isolated by audio isolated converter；Pass through number Digital signal (PTT, SQL, ALM) is isolated in word isolator, that is, photoelectrical coupler or relay.It is connect using full isolation Enter mode, it is ensured that even if will not generate to equipment such as the very high frequency(VHF)s of access any when catastrophe failure occurs in this system Influence, effectively improve can beechnut global reliability and safety.This system when in use, communication can be led Different places is arranged in machine, carries out information and mutually passes on from one to another.

In addition as it can be seen in figures 5 and 6, being the aufbauprinciple of interior lines plate 4.It is being isolated with audio for interior lines plate 4 shown in Fig. 7 The circuit diagram of converter 21.

And multiple ports are then provided on power board 8 for being correspondingly connected with each feature board and total exchange network 111. Fig. 9 show the structural principle simple block diagram of power board 8, and each port of power board 8 passes through audio isolated converter sum number Word isolator is connected to crosspoint, and crosspoint is connect with control and land by agreement judgment module；Information is by corresponding port Enter crosspoint and control and land after number and audio isolation by handling in agreement judgment module, then transfers out.

The interface of the utility model uses self-adapting type.CPU and FPGA when external equipment access, on each feature board The polarity and level of meeting automatic discrimination signal, by being exported at a standard control signal after internal polar and level conversion Reason.To the output signal of system, each feature board equally passes through AD converter and carries out intelligentized processing, connects output signal satisfaction Enter the needs of equipment.This processing mode can satisfy ground connection/dry contact /+5V/+12V/-48V of digital signal etc., greatly The connection for facilitating different agreement very high frequency(VHF) equipment, improve the adaptability of system.

It is then parallel by power board 8 and two when the utility model is used, acquire information by each feature board Total exchange network 111 realizes the information between double net crosspoints between 2 and local communication host 1 and strange land host computer communication 1 Exchange accomplishes resource-sharing so as to realize interregional multi-platform global function networking.

The platform architecture of the utility model uses total exchange network technology, has very compared with traditional PCM switching technology Apparent advantage.PCM circuit switching hardware design and the design of the total exchange network hardware are as shown in the figure.

The comparison of two kinds of technologies is as follows:

PCM switching technology is a kind of digital signal exchanged form before network technology is improved, and is similar to analog switch The exchanged form of matrix conversion, there are limitations for exchange capacity；Whole network switching technology is then novel digital signal exchange skill Art is the rapid development with network technology and is born out, there is that exchange capacity is big, transmission broadband is larger, control is flexible The features such as, in particular by the total exchange network structure of fault-tolerant encoding technology, have data transmission quasi- in data exchange process Really, feature in time more meets civil aviaton's industry to the particular/special requirement of communication system security and reliability.

PCM switching technology is to control being switched on or switched off for exchange chip channel using control chip.Total exchange network skill The data of art are with auspicious format transmission, and there is determining destination address on the auspicious head of each data, and exchange chip is according to purpose Address carries out the auspicious exchange of data.The information of PCM exchange enables processing capacity by the speed of processor, and total exchange network is institute Some signaling processing are distributed to each port up, disobey the speed for being against processor.PCM exchange needs synchronised clock, if Synchronised clock is lost, PCM exchange will paralyse, and total exchange network does not need synchronised clock then.Total exchange network technology and PCM Switching technology, which is compared, can provide more networking modes.

After the utility model, user seat 15 also directly passes through the interior lines plate 4 in power board 8 and host computer communication 1 It is connected, connect straight-through phone 16 directly with user seat 15；Operation and maintenance is all relatively simple, conveniently, and safety is also therewith It greatly improves, has effectively ensured flight safety.

On each feature board, it is all integrated with the two total exchange network redundancies operation being isolated each other.

When the utility model is used, corresponding feature board can believe external voice on each dual network crosspoint 2 Breath is transmitted to power board by two communication network data lines with the auspicious format of data and is then transmit to use after analog-to-digital conversion Family seat carries out information exchange, and the design broadband (10M) of communication network data line and actual use broadband (128K) ratio reach 10: 0.128, data exchange reliability is effectively raised, clog-free communication is truly realized.

The utility model uses the total exchange network architecture of redundancy, double net concurrent workings, it may be convenient to dilatation is carried out, and So that the utilization of resources it is more reasonable, interregional connection it is even closer, clog-free communication is truly realized, currently, this system capacity More than international similar system maximum capacity 2 times or more.

The feature board of the utility model is all integrated with full redundancy network concurrent working, provides not between any two feature board Data exchange capability less than 10Mpbs exchanges, it is possible to provide the exchange rate of 100M, 1000M, companion between multiple host computer communications 1 With the rapid development of network today technology, this system will possess very powerful dilatation ability.Under such exchange capacity Attend a banquet, the quantity of the various interfaces such as analog subscriber, digital subscriber almost can be with unconfined dilatation.

It is right with the construction of blank pipe field great Qu pipe, the extension in airline base and the integration of Airport Group company The region networking requirements of voice scheduling management are more more and more urgent, and the research and development of this system successfully solve this problem, using abundant Networking solutions, long-range seat can use transmission medium to realize by exchange network and strange land in connection between telephone system Net.As shown in figure 4, transmission medium includes optical fiber, coaxial cable, twisted pair, VLAN, VPN, protocol conversion ATS-QSIG, NO.7 And wireless bridge.

Since different host computer communications use different communications protocol, and many imported products are not to provide data conversion Agreement and technology, therefore in multisystem interconnection in the presence of very big difficulty.The communication protocol of this system independent development can make not It is mutually converted with the communication protocol between platform, and there is very strong compatibility between different product.

The utility model uses separate CPU decentralised control, has high performance 32 intelligent processors on every piece of feature board (CPU) NIOSII, for handle redundancy communications protocol, audio acquisition and audio the functions such as synthesis.In entire application and In maintenance process, scattered control system structure can be limited in failure in minimum range, and the failure of any feature board is not It will affect the normal operation of whole system.System reliability compare using traditional core host control mode system have into One step improves, stable, to ensure that flight safety provides strong support.

The utility model also has the efficiently property tieed up, and is mainly reflected in the following:

1, board hot plug.Any board (including power board), it is hot-swappable under energization operating status, facilitate user It is safeguarded in the case where not influencing use.

2, comprehensive in-service surveillance control platform.It can detecte the information of any one data in system, intelligent sentences Disconnected failure and acousto-optic alarm.

3, remote maintenance.System provides the maintenance function of remote dial, the feelings that producer maintenance personnel can permit in user Under condition, system is connected by dial mode, user is helped to carry out breakdown judge and information configuration.

4, the full redundancy design of exchange system.Make to close or pull up any one exchange in custom system use process Plate swaps, the normal use without influencing system.

The utility model can also realize storage up to 256 videoconferences, can accommodate 64 members in group and carry out meeting. The gradable carry out meeting of system, can also carry out simultaneously meeting with multiple groups, and every group of conference member makes a speech number up to 4 sides simultaneously.This Utility model can carry out the videoconference of local in system host 1, can also carry out between system host 1 on a large scale Videoconference；That is phone 16 can be led directly to multi-section simultaneously by a seat to converse；These are to pass through this The parallel total exchange network 111 of two of system is achieved with feature boards such as power boards.

By conference call functions, multiple call service groups can be preset, which can be called by a key operation simultaneously In whole phones, this function for notice to navigator, notification information publication etc. it is very practical.

It can be by very between different host computer communications using double net total exchange line communication systems of the utility model Multichip carrier is interconnected (such as: cable, twisted pair, optical fiber, coaxial cable), and has many mature and stable networkings and routing Scheme can choose (such as: local area network VLAN networking, wide area network VPN, DDN special line, wireless bridge etc.), can also use and independently grind The communications protocol of hair is interconnected by conversion unit of protocol and using the interior words equipment of other communications protocol.

The utility model, equipment is succinctly reasonable, practical, compares and is suitably applied in civil aviaton field.

Claims (9)

1. a kind of double net total exchange line communication systems, it is characterised in that: the communication system contains at least two host computer communication (1), communication device is joined together to form by two parallel exchange networks (111) between every two host computer communication (1)；Often A host computer communication (1) includes at least three dual network crosspoints (2) connecting with exchange network (111)；Dual network exchange is single First (2) mainly include interior lines plate (4), outside line plate (5), seat plate (6) and two pieces of power boards (8)；Interior lines plate (4), outside line plate (5) Two pieces of power boards (8) arranged side by side are respectively connected to by communication network data line, two pieces of power boards (8) are commonly connected to seat plate (6)；Two pieces of power boards (8) connect with two parallel exchange networks (111) simultaneously；

The dual network that wireless plate (3), interior lines plate (4), outside line plate (5), seat plate (6) and two pieces of power boards (8) are formed exchanges single First (2), wireless plate (3), interior lines plate (4), outside line plate (5), seat plate (6) and two pieces of power boards (8) are respectively disposed at a shell In vivo, array is arranged to be formed dual network crosspoint (2) between multiple shells, and two adjacent dual network crosspoints (2) are logical Three-dimensional temporary fixture is crossed to be fixedly clamped；

Three-dimensional temporary fixture includes main clamp and sub-folder tool, and main clamp includes positioning disk (25), clamping plate and pull rod；Clamping plate includes fixed Position plate (26) and flexible fixture (27), stretch fixture (27) be two, stretch fixture (27) one end be provided with extend downwardly and The vertical plate (30) rectangular with flexible fixture (27), the other end of flexible fixture (27) put in positioning plate (26) and can be relative to The positioning plate (26) does telescopic moving；

Pull rod is two groups, and every group of pull rod includes front tension bar (28) and back stay (29), and one end of front tension bar (28), which is provided with, catches on The vertical gear (31) of vertical plate (30), the other end are flexibly connected with back stay (29) by shaft, one end of back stay (29) and preceding drawing Bar (28) is flexibly connected, and the other end of back stay (29) is movably arranged on the side wall of positioning disk (25)；Front tension bar (28) and post-tensioning Bar (29) forms V-arrangement and is flexibly connected arm configuration；Two groups of pull rods are divided into the two sides of positioning disk (25) and V-arrangement is flexibly connected arm configuration Opening direction it is opposite；

The upper end of positioning disk (25) be provided with fine jade twist cap (32), fine jade twist cap (32) it is coaxial with positioning disk (25) and can relative to calmly Position disk (25) rotates, and the bottom end that fine jade twists cap (32) passes through column (33) connection activity tie rod (34), movable tie rod (34) One end is flexibly connected with column (33), the middle part that the other end is connected to back stay (29) by tensing shaft, movable tie rod (34) it can be rotated using tensing shaft as axis and can also be rotated by axis of the axis of column (33)；

It is hollow groove in the middle part of cap (32) that fine jade, which is twisted, and the top of positioning disk (25) puts in fine jade and twists in the hollow groove of cap (32), twists cap in fine jade (32) side wall of hollow groove is provided with multiple location holes (35), is also equipped on positioning disk (25) multiple slotting for fixing bolt The band internal thread fixation hole entered, when fine jade twists at least one location hole (35) after cap (32) fine jade is screwed onto the position for clamping positioning It is corresponding with the fixation hole on positioning disk (25)；

Sub-folder tool includes pilum (38), with externally threaded adjustment screw (39), strap (40) and two dynamic clamping plates (41)； Pilum (38) twists cap (32) fixed, hollow barreled structure of pilum (38) positioning disk (25) afterwards across fine jade, and in cavity It is inside provided with internal screw thread, the lower end of adjustment screw (39) puts in pilum (38) and is threadedly engaged with pilum (38), adjustment screw (39) upper end is provided with connector (42), and adjustment screw (39) can be relative to relatively solid between connector (42) rotation and axial direction Fixed, strap (40) is the T-shaped structure being made of transverse slat and vertical plate, and transverse slat is fixedly connected on connector (42), moves folder Plate (41) is the L-shaped structure being made of transverse slat and vertical plate, and the transverse slat one end of dynamic clamping plate (41) is provided with position limiting slide block (43), two Make dynamic folder in the sliding slot (44) of left and right two that the position limiting slide block (43) of dynamic clamping plate is put in respectively on the transverse slat of strap (40) Plate (41) can be mobile relative to strap (40)；The transverse slat bottom of dynamic clamping plate (41) is by connecting rod (45) and founds gear (31) even Connect linkage.

2. double net total exchange line communication systems according to claim 1, it is characterised in that: the dual network exchanges single First (2) further include having monitor board (9), voice plate (11), recording plate (12) and magnet plate (13)；Monitor board (9), voice plate (11), it records plate (12) and magnet plate (13) is connect by two parallel communication network data lines with two pieces of power boards (8)；? The interior lines plate (4), outside line plate (5) are provided with audio isolated converter, digital isolator, two panels network on seat plate (6) Drive module and independent CPU(18) and FPGA(19)；Two pieces of network driver blocks (20) are connect by circuit with CPU, and CPU is logical Oversampling circuit is connect with FPGA, on the one hand FPGA passes through digital analog converter and connect with audio isolated converter, another aspect directly with Digital isolator connection；Audio isolated converter digital isolator is connected to port for peripheral equipment, and two panels network driver block Two pieces of power boards (8) are then connected to by communication network data line.

3. double net total exchange line communication systems according to claim 2, it is characterised in that: be provided on the power board Multiple interfaces being connect with each feature board and the interface being connect with total exchange network (111), total interface pass through audio every It is connect from converter and digital isolator with crosspoint, crosspoint is connect with control and Routing Protocol judgment module.

4. double net total exchange line communication systems according to claim 3, it is characterised in that: digital isolator is photoelectricity coupling Clutch and relay；The transmission medium of two parallel exchange networks (111) be optical fiber, coaxial cable, twisted pair, VLAN, VPN, protocol conversion ATS-QSIG, NO.7 and wireless bridge.

5. double net total exchange line communication systems according to claim 2, it is characterised in that: in the host computer communication (1) Multiple dual network crosspoint (2) arrays setting in the shell (14)；And it is wireless in each dual network crosspoint (2) Plate (3), interior lines plate (4), outside line plate (5), seat plate (6), monitor board (9), GPS plate (10), voice plate (11), recording plate (12), it is fixed temporarily on the board slot (15) that magnet plate (13) and power board (8) are plugged in shell (14), power board (8) both ends of board slot (15) are plugged on.

6. double net total exchange line communication systems according to claim 1, it is characterised in that: interior lines plate (4) is when in use It is connect with direct connection telephone machine；Outside line plate (5) is connect with local telephone network or programme-controlled exchange when in use；Seat plate (6) leads to when in use Seat end plaste (7) is crossed to connect with user seat.

7. double net total exchange line communication systems according to claim 1, it is characterised in that: the setting in positioning plate (26) There is the top spring (36) for contacting two flexible fixtures (27)；It is provided with the fine jade for facilitating fine jade stubborn on adjustment screw (39) and twists circle (46).

8. double net total exchange line communication systems according to claim 1, it is characterised in that: front tension bar (28) passes through shaft It is connect with vertical gear (31), the axial direction of shaft i.e., front tension bar vertical with the axial direction of front tension bar (28) identical as vertical gear direction (28) it can be rotated around the shaft.

9. double net total exchange line communication systems according to claim 1, it is characterised in that: the bottom of positioning disk (25) is set It is equipped with the sucker (37) that positioning plate (26) upper surface is sucked when use.