CN208401861U - Double net total exchange wireless telecommunication systems - Google Patents

Abstract

A kind of double net total exchange wireless telecommunication 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 wireless telecommunication systems

Technical field

The utility model provides a kind of wireless telecommunication system applied to Civil Aviation System more particularly to a kind of double net total exchanges Wireless telecommunication system.

Background technique

Wireless telecommunication system is most important link in civil aviaton's production run, and for a long time, the primary earth-space communication in China is set It is standby to be all dependent on import, not only take 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 wireless telecommunication system cannot achieve local for air-ground call aspect Point to multi--point, and the local call with nonlocal point to multi--point, such as: previous radio station be directly with remote-control box phase Connection, carries out wireless communication, and remote-control box forms control seat, in this case, if necessary to carry out wireless control with multi-party, then just It needs to configure multi-section remote-control box at seat end, so seat arrangement abnormalities are many and diverse, all bring to operation and maintenance It is greatly inconvenient.In addition previous communication system is single line connection, once disconnecting, will result in the paralysis of whole system, And previous communication system poor compatibility, it has a single function；And only one central processing unit in previous communication system host, Once will also result in rear whole systemic breakdown in this way, the central processing unit of host stops working；And air communications system is to maintain The indispensable system of flight 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 wireless telecommunication 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 wireless telecommunication 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 that at least one is connected to the dual network crosspoint of exchange network；Dual network crosspoint mainly includes wireless plate, outer Line plate, seat plate and two pieces of power boards；Wireless plate, outside line plate pass through two parallel communication network data lines and are connected to two pieces Power board arranged side by side, two pieces of power boards are commonly connected to seat plate；Two pieces of power boards connect with two parallel exchange networks simultaneously It connects.

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 two-way temporary fixture；

Two-way temporary fixture includes a main clamp and a sub-folder tool, and main clamp includes positioning disk, clamping plate and pull rod；Folder Plate includes positioning plate and flexible fixture, and the fixture that stretches is two and is symmetrical arranged, and one end of flexible fixture, which is provided with, to be extended downwardly And the rectangular vertical plate with flexible fixture, the other end of flexible fixture put in positioning plate and can do relative to the positioning plate flexible It is mobile；

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 dynamic clamping plate；Pilum is passed through twists across fine jade It is fixed between positioning disk after cap, the hollow barreled structure of pilum, and internal screw thread is provided in cavity, the lower end of adjustment screw It puts in pilum and is threadedly engaged with pilum, the upper end of adjustment screw is provided with connector, and adjustment screw can turn relative to connector Relatively fixed between dynamic and axial direction, strap is the L-shaped structure being made of transverse slat and vertical plate, and transverse slat is fixedly connected on connector On, dynamic clamping plate is also the L-shaped structure being made of transverse slat and vertical plate, and transverse slat one end of dynamic clamping plate is provided with position limiting slide block, and limit is slided Block, which is put in the sliding slot on the transverse slat of strap, enables dynamic clamping plate mobile relative to strap；The vertical plate of dynamic clamping plate passes through Connecting rod and vertical gear connect linkage.

The dual network crosspoint further includes having monitor board, GPS plate, voice plate and recording plate；Monitor board, GPS plate, Voice plate and recording 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 wireless 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.

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.

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 uses photoelectrical coupler or relay.

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

Wireless plate is connect with VHF VHF radio when in use；Outside line plate connects with local telephone network or programme-controlled exchange when in use It connects；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 wireless telecommunication 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, forms system System host；Then information communication between host can be realized by system host being distributed in different control points；Two parallel Total exchange network can choose many carriers and be interconnected (such as: cable, twisted pair, optical fiber, coaxial cable), and have very Mostly mature and stable networking and routing plan can choose (such as: local area network VLAN networking, wide area network VPN, DDN special line, wireless network Bridge etc.), it can provide the exchange rate of 100M, 1000M, in this way while improving the information conversion rate of whole system, greatly The capacity of system is improved greatly；And the structure of the double net crosspoints of each of system host is by wireless plate, outside line plate, seat Plate, monitor board, GPS plate, voice plate, recording plate, are connected to by two parallel communication network data lines with two pieces of power boards Together, seat plate is connect with seat end plaste, and seat end plaste then connect the communication device to be formed with user seat, and the unit When in use, wireless plate 3 is connect with outside VHF VHF radio, is connected to realization between external wireless communication system and seat, Seat is set to carry out wireless communication and control to external communication system；And wireless plate can be with multiple external VHF very high frequency(VHF) electricity Platform connection can realize the purpose for carrying out wireless communication control to multiple spot by the conversion between a seat in this way, make seat Position arrangement abnormalities are succinctly reasonable；Simultaneously as in this case each corresponding seat of double net crosspoints is led in each communication Just include multiple seats in machine, can freely be exchanged between seat and seat in such host computer communication, and host computer communication and logical Multiple seats between news host also be free to be exchanged.

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；Plate 12 of recording then is recorded for the local of long-range seat Sound.In addition, it is superfluous to be all integrated with two total exchange networks being isolated each other on each feature board of double net crosspoints of system Remaining operation, system use distributed control structure, do not have central processing unit in entire host computer communication, and institute is functional by each function Separate CPU and FPGA on energy plate are controlled, and distributed control structure can be limited in failure in minimum range, any The failure of feature board all will not influence the normal operation of whole system, and reliability is made to 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 passes through the two networks after the analog-to-digital conversion of corresponding feature board, with the auspicious format of data It swaps, design broadband (10M) and actual use broadband (128K) ratio reach 10:0.128, effectively raise data exchange Reliability is truly realized clog-free communication.

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 by two parallel total exchange networks, multiple communications of local and remote Host links together, and forms a complete double net total exchange wireless telecommunication systems, makes the utilization of resources more adduction between strange land Reason, 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 full redundancy network concurrent working, mentions between any two feature board For being not less than the data exchange capability of 10Mpbs, exchanged between multicomputer, along with the rapid development of network today technology, this is The host computer communication of system will possess very powerful dilatation ability.It attends a banquet under such exchange capacity, analog subscriber, digital subscriber Quantity etc. various interfaces almost can use networking solutions abundant with unconfined dilatation, can be realized region Between 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 with it is external it is current the country used in various VHF, HF, transposer station, wireless intercom equipment, and this The normal operation of a little equipment is directly related to safety of civil aviation production.Once causing to set access due to this system internal fault Standby damage, loss is beyond measure.Therefore, each feature board of this system is in design, to all input and output Port has carried out whole isolation.By audio isolated converter, to all audio input output signals, (RX, TX and phone are believed Number) be isolated；Digital signal (PTT, SQL, ALM) is isolated by photoelectrical coupler and relay.Using full isolation Access way, it is ensured that even if will not generate and appoint to equipment such as the very high frequency(VHF)s of access when catastrophe failure occurs in this system What influence, 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, radio station is connected with wireless plate, in host computer communication Seat directly passes through power board and is connected with wireless plate, and all compared with simple, conveniently, safety also mentions significantly therewith for operation and maintenance Height has effectively ensured flight 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.System provides the maintenance function of remote dial, and producer maintenance personnel can be the case where user permits Under, system is connected by dial mode, user is helped to carry out breakdown judge and information configuration.

The full redundancy of exchange system designs.Make to close or pull up any one power board in custom system use process It swaps, the normal use without influencing system.

The utility model can make seamless switching between the active and standby VHF radio of radio, that is to say, that when at the same seat On when being configured with active and standby two radio station of the same frequency, if primary radio station is broken down (ALARM alarm), system can be automatically Stand by station is switched to be received and dispatched.Even if user is just in communication process, hostdown, unremitting can also be switched to standby Machine, this movement is almost imperceptible for recipient, and user can also be by adjusting the size of volume come to active and standby Machine is distinguished.

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 wireless plate of the utility model；

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

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

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 two-way temporary fixture overall structure diagram；

Figure 11 is main clamp top view.

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 wireless telecommunication 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 every two host computer communications 1 by two total exchange networks 111； Each host computer communication 1 includes at least one dual network crosspoint 2；It is multiple double if comprising multiple dual network crosspoints 2 It is also to be linked together between network exchange unit 2 by two total exchange networks 111；Dual network crosspoint 2 mainly wraps Include wireless plate 3, 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, wireless plate 3 and outside line Plate 5 is by two parallel communication network data lines and is connected to two pieces of power boards 8, and two pieces of power boards 8 are connected to seat plate 6； Seat plate 6 connects seat end plaste 7；Two pieces of power boards 8 are connect with two external total exchange networks 111 simultaneously；When in use Wireless plate 3 is connect by port for peripheral equipment with VHF VHF radio 17 outside multi-section, so that seat is realized with outside VHF very The connection and control of high frequency radio set 17；Outside line plate is connect also by port for peripheral equipment with local telephone network or programme-controlled exchange, and seat is whole End plate 7 is connect with user seat 15, in this way, will be realized in each double net crosspoints a seat both can to any or Multipoint wireless control, and the control to other multiple functions；And due to there is multiple double net crosspoints 2 in host computer communication 1, this Sample allows for, and may be implemented between multiple user seats 15 in same host computer communication 1, between the line equipment that connect with interior lines plate Free information interchange.

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 two-way temporary fixture； As shown in Figure 10.

Two-way temporary fixture includes a main clamp and a 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, and the fixture 27 that stretches is two and is symmetrical arranged, one end setting for the fixture 27 that stretches Have and extend downwardly and the vertical plate 30 rectangular with flexible fixture 27, the other end of flexible fixture 27 puts in positioning plate 26 and can phase Telescopic moving is done for the positioning plate 26；It is exactly the direction of left and right in Fig. 1.

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；Such as Figure 11 institute Show.

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, the bottom end that fine jade twists cap pass through 33 connection activity tie rod 34 of column, 33 activity of one end and column of movable tie rod 34 Connection, the middle part that the other end is connected to back stay 29 by tensing shaft, movable tie rod 34 can be rotated using tensing shaft as axis And it 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 dynamic clamping plate 41；Pilum 38 is worn Cross across fine jade twist cap 32 after positioning disk 25 fixed, the hollow barreled structure of pilum 38, and interior spiral shell is provided in cavity Line, 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 connector 42, adjustment screw 39 can relative to connector 42 rotate and axial direction between it is relatively fixed, that is to say that axial direction does not occur relatively Mobile, strap 40 is the L-shaped structure being made of transverse slat and vertical plate, and transverse slat is fixedly connected on connector 42, moves clamping plate 41 And the L-shaped structure being made of transverse slat and vertical plate, transverse slat one end of dynamic clamping plate 41 are provided with position limiting slide block 43, position limiting slide block 43 is stretched Enable dynamic clamping plate 41 mobile relative to strap 40 in into the sliding slot 44 on the transverse slat of strap 40；Dynamic clamping plate 41 is stood Plate 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 two-way 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 11 is placed in together, and then presss from both sides the vertical plate 30 of the flexible fixture 27 of main clamp Another group of dual network crosspoint 2 is placed in dynamic clamping plate by the firmly multiple two sides with shell of array together as shown in Figure 11 Between 41 and strap 40, then rotation fine jade twists cap 32 in the direction of the arrow, and at this moment, back stay 29 is lever construction, passes through rotation Turn fine jade twist 32 drive activity tie rod 34 of cap movement, and then pull back stay 29 so that back stay 29 tense front tension bar 28 into And to found the vertical plates 30 that gear 31 tightly withstands two sides, meanwhile, dynamic clamping plate 41 is also tightly clamped under the drive of vertical gear 31 another Group dual network crosspoint 2, and then being fixedly clamped for entirety is completed, it is screwed into after then passing through location hole 3 using fixing bolt It is fixed in fixation hole on positioning disk 25, when needing to dismantle, takes out fixing bolt, then in the effect of top spring 36 Under, contact clamps.It is ideal using very convenient and effect.46 rotation adjustment screw 39 of circle, adjustment adjustment are twisted by rotation fine jade Screw rod 39 puts in the distance of positioning disk 25, and then adjusts the distance between main clamp and sub-folder tool, to adapt to different application.

And as shown in Fig. 2, the dual network crosspoint 2 further includes having monitor board 9, GPS plate 10, voice plate 11 and record Soundboard 12；Monitor board 9, GPS plate 10, voice plate 11 and recording plate 12 are exchanged by two internal communication networks 222 with two pieces Plate 8 connects；When in use, monitor board 9 is used to connect with monitoring configurating terminal machine；GPS plate 10 is connect with external clock reference；And language Soundboard 11 is then for storing the voice messaging sent to each corresponding function plate of dual network crosspoint 2；Recording plate 12 is then used Local recording in long-range seat；And multiple ports are then provided on power board 8 for being correspondingly connected with each feature board.

Fig. 9 show the structural principle simple block diagram of power board 8, and information is after number and audio isolation in power board 8 Into crosspoint and control and land by being handled in agreement judgment module, then transfer out.That is power board 8 by it is multiple with The port of each feature board connection and crosspoint and control and land are made of agreement judgment module, and each port passes through audio Isolated converter and digital isolator are connect with crosspoint, and crosspoint is connect with control and land by agreement judgment module.

In the wireless plate 3, interior lines plate 4, outside line plate 5, seat plate 6, monitor board 9, voice plate 11, recording plate 12 and magnetite Audio isolated converter, digital isolator, two panels network driver block and independent CPU 18 and FPGA are provided on plate 13 19；As it can be seen in figures 5 and 6, by taking wireless plate 3 as an example, audio isolated converter, digital isolator, two panels network driver block and solely Vertical CPU 18 and FPGA 19 is respectively provided on a printed circuit, network driver block and internal two parallel communication networks Data line connection, and then it is connected to power board 8；Two pieces of network driver blocks 20 are connect by circuit with CPU, and CPU passes through circuit It is connect with FPGA, CPU and FPGA form control unit；On the one hand FPGA passes through two opposite digital analog converters of conversion direction 22 Connect with audio isolated converter, and on the other hand connect with digital isolator, audio isolated converter and digital isolator 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 Wireless plate 3, outside line plate 5, seat plate 6, monitor board 9, GPS plate 10, voice plate 11,8 and of power board in a double net crosspoints 2 Recording plate 12 is plugged in the board slot 24 of shell 14, and power board 8 is plugged on the both ends of board slot 24.It is various external to set It is standby directly single by each double net exchanges in connection to shell 14 including user seat 15, VHF VHF radio 17 etc. On feature board corresponding to member 2.

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 VHF, HF, transposer station, wireless talkback and various used in the external current country Landline communication equipment, and the normal operation of these equipment is directly related to safety of civil aviation production.Once due in this system Portion's failure cause causes the damage to access device, and loss is beyond measure.Therefore, each feature board of this system is being set Timing has carried out portion's isolation to all input/output ports.All audio inputs are exported by audio isolated converter Signal (RX, TX and telephone signal) is isolated；Number is believed by digital isolator, that is, photoelectrical coupler or relay Number (PTT, SQL, ALM) is isolated.Using full isolation access way, it is ensured that even if there is catastrophe failure in this system When, any influence will not be generated to equipment such as the very high frequency(VHF)s of access, effectively improve can beechnut it is whole reliable Property and safety.When in use, different places can be arranged in host computer communication by this system, carried out information and mutually passed on from one to another.

It in addition is the aufbauprinciple of interior lines plate 4 as shown in Fig. 5,6 and 7.

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 wireless plate 3 in power board 8 and host computer communication 1 It is connected, connect radio station 17 directly with user seat 15；Its operation and maintenance is all relatively simple, conveniently, and safety is also with big It is big to improve, effectively ensure 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, the corresponding feature board in each dual network crosspoint 2 can be by external voice Information is swapped with the auspicious format of data by two communication network data lines after analog-to-digital conversion, is designed broadband (10M) Reach 10:0.128 with actual use broadband (128K) ratio, effectively raises data exchange reliability, be truly realized clog-free Communication.

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 active and standby VHF radio seamless switching, such as: when in the same user seat 15 On when being configured with active and standby two radio station of the same frequency, if primary radio station is broken down (ALARM alarm), system can be automatically Stand by station is switched to be received and dispatched.Even if user is just in communication process, hostdown, unremitting can also be switched to standby Machine, this movement is almost imperceptible for recipient, and user can also be by adjusting the size of volume come to active and standby Machine is distinguished.

It can be by very between different host computer communications 1 using double net total exchange wireless telecommunication 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 (10)

1. a kind of double net total exchange wireless telecommunication 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 that at least one is connected to the dual network crosspoint (2) of exchange network (111)；Dual network exchange is single First (2) mainly include wireless plate (3), outside line plate (5), seat plate (6) and two pieces of power boards (8)；Wireless plate (3), outside line plate (5) Two pieces of power boards arranged side by side (8) are connected to by two parallel communication network data lines, two pieces of power boards (8) connect jointly 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 Two-way temporary fixture is crossed to be fixedly clamped；

Two-way temporary fixture includes a main clamp and a sub-folder tool, and main clamp includes positioning disk (25), clamping plate and pull rod；Folder Plate includes positioning plate (26) and flexible fixture (27), stretch fixture (27) be two, the one end of flexible fixture (27) be provided with to Lower extension and the vertical plate (30) rectangular with flexible fixture (27), the other end of flexible fixture (27) put in positioning plate (26) and Telescopic moving can be done relative to the positioning plate (26)；

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 dynamic clamping plate (41)；Pilum (38) cap (32) fixed, the hollow barreled structure of pilum (38) positioning disk (25) afterwards is twisted across 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 L-shaped structure being made of transverse slat and vertical plate, and transverse slat is fixedly connected on connector (42), moves clamping plate It (41) is also the L-shaped structure being made of transverse slat and vertical plate, the transverse slat one end of dynamic clamping plate (41) is provided with position limiting slide block (43), is limited Make dynamic clamping plate (41) can be relative to strap in the sliding slot (44) that sliding block (43) is put on the transverse slat of strap (40) (40) mobile；The vertical plate of dynamic clamping plate (41) connect linkage with vertical gear (31) by connecting rod (45).

2. double net total exchange wireless telecommunication systems according to claim 1, it is characterised in that: the dual network exchanges single First (2) further include having monitor board (9), GPS plate (10), voice plate (11) and recording plate (12)；Monitor board (9), GPS plate (10), Voice plate (11) and recording plate (12) are connect by two parallel communication network data lines with two pieces of power boards (8)；Described Wireless plate (3), outside line plate (5) are provided with audio isolated converter, digital isolator, two panels network-driven on seat plate (6) Module and independent CPU and FPGA；Two pieces of network driver blocks (20) are connect by circuit with CPU, and CPU passes through circuit and FPGA On the one hand connection, FPGA pass through digital analog converter and connect with audio isolated converter, on the other hand directly connect with digital isolator It connects；Audio isolated converter digital isolator is connected to port for peripheral equipment, and two panels network driver block then passes through communication network Network data line is connected to two pieces of power boards (8).

3. double net total exchange wireless telecommunication systems according to claim 1, it is characterised in that: two parallel exchange networks (111) transmission medium is optical fiber, coaxial cable, twisted pair, VLAN, VPN, protocol conversion ATS-QSIG, NO.7 and wireless network Bridge.

4. double net total exchange wireless telecommunication 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.

5. double net total exchange wireless telecommunication systems according to claim 3, it is characterised in that: digital isolator uses photoelectricity Coupler or relay.

6. double net total exchange wireless telecommunication 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), outside line plate (5), seat plate (6), monitor board (9), GPS plate (10), voice plate (11), recording plate (12) and power board (8) it is plugged on the board slot (15) in shell (14) Nei, power board (8) is plugged on the both ends of board slot (15).

7. double net total exchange wireless telecommunication systems according to claim 1, it is characterised in that: wireless plate (3) is when in use It is connect with VHF VHF radio；Outside line plate (5) is connect with local telephone network or programme-controlled exchange when in use；Seat plate (6) is when in use It is connect by seat end plaste (7) with user seat.

8. double net total exchange wireless telecommunication systems according to claim 1 or claim 7, it is characterised in that: in positioning plate (26) It is provided with 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).

9. double net total exchange wireless telecommunication systems according to claim 8, 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.

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