CN207560024U - Double net total exchange communication system hosts of ladder are pedaled with maintenance - Google Patents

Abstract

A kind of double net total exchange communication system hosts that ladder is pedaled with maintenance, the host include multiple dual network crosspoints, and multiple dual network crosspoints form communication device together by two parallel total exchange series networks；Separated between double net crosspoints by partition board, be provided with drawing and pulling type in the slideway of partition board pedals ladder temporarily, which connects together multiple double net crosspoints and form communication platform；The drawing and pulling type of the utility model pedals ladder temporarily, it can release when in use, operation of ascending a height is can be carried out after frame is good, after operation, which is pedaled into ladder temporarily and is retracted in partition board, easy to use and flexible, not additional occupied space, equipment is succinctly reasonable, highly practical, compares and is suitably applied in civil aviaton field.

Description

Double net total exchange communication system hosts of ladder are pedaled with maintenance

Technical field

The utility model provides a kind of communication system and its relevant apparatus applied to Civil Aviation System more particularly to a kind of band There are double net total exchange communication system hosts that ladder is pedaled in maintenance.

Background technology

Communication system is most important link in civil aviaton's production run, and for a long time, the primary ground-air communication equipment in China is complete Portion all since import, not only take a large amount of foreign exchanges of country, but also also to expose capacity in use small, compatible for inlet system Difference, the problems such as function is single；And traditional communication system, for ground and in terms of air-ground call, it can not realize local one The conversion and control of point-to-multipoint, such as：Previous radio station is directly to be connected with remote-control box, is carried out wireless communication, phone Between be connected carry out wire communication correspondingly, remote-control box and phone then form control seat, in this case, if necessary to same In many ways wired and wireless control is carried out, then just needs that multi-section remote-control box and phone is configured at seat end, so seat Arrangement abnormalities are numerous and diverse, and great inconvenience is all brought to operation and maintenance.In addition previous communication is single line connection, once connection It interrupts, will result in the paralysis of whole system, and previous communication system is wired and wireless system is separately controlled and capacity It is small；Entire communication system, in this way, once the central processing unit of host is stopped, will also result in only there are one central processing unit Whole systemic breakdown afterwards.

And the host for integrating, often set pinnacled cell board very inconvenient in maintenance and replacement, It is generally necessary to which bringing ladder carries out ascend a height maintenance or replacement, and so not only need separately to prepare to pedal ladder, but also operate It is very cumbersome, and pedal ladder and also occupy additional space.

Invention content

Purpose of utility model：The utility model provides a kind of double net total exchange communication system hosts that ladder is pedaled with maintenance, The purpose is to solve previous communication system seat configuration is complicated, capacity is small, connected due to single line caused by it is fragile and safeguard The problem of inconvenient and pedal the problem of inconvenient during high maintenance.

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

A kind of double net total exchange communication system hosts that ladder is pedaled with maintenance, it is characterised in that：The host includes multiple Dual network crosspoint, multiple dual network crosspoints form communication dress by two parallel total exchange series networks together It puts；The dual network crosspoint mainly includes wireless plate, interior lines plate, outside line plate, seat plate and two pieces of power boards；Wireless plate, Interior lines plate, outside line plate access two pieces of power boards arranged side by side by communication network data line, and two pieces of power boards then pass through communication network Network data line is connected to seat plate；Two pieces of power boards and two parallel total exchange network connections；

Multiple double net crosspoint arrays in the host computer communication are arranged in housing；And each double net crosspoints In wireless plate, interior lines plate, outside line plate, seat plate, monitor board, GPS plates, voice plate, recording plate, magnet plate and power board insert It is connected in the board slot of housing, power board is plugged on the both ends of board slot；

Separated between double net crosspoints by partition board, be provided with drawing and pulling type in the slideway of partition board pedals ladder temporarily, the pumping Pull-type interim ladder of pedaling includes back stay, front arm and wale piece；Back stay and front arm are flexibly connected the activity of being formed by shaft Arm configuration, the lever arm are the structure that can take in and pull out slideway, which is left and right two, before wale piece is arranged on two Between support arm, wale piece is the structure that can be taken in together with lever arm in slideway, and the front end of wale piece passes through shaft and front arm Forepart is flexibly connected, and the scissor construction of opening backwards, the rear end retractable two of wale piece can be formed between wale piece and front arm Between a front arm, the rotating dog in the interim location hole of housing is put in when the rear end of wale piece is provided with use, works as rotation When pin is inserted into interim location hole, wale piece is horizontal platy structure；Rotating dog is rotary structure, before rotating dog is rotated into When in the side slideway of support arm, between wale piece takes in two front arms, and it can be taken in slideway together with two front arms.

It is cased with retracting back stay and front arm into the reset tension spring in slideway on back stay.

Rotating dog is arranged on the rear end of wale piece by torsional spring, and rotating dog is kept the torsion of rotating dog fine jade twisting both sides； The spanner that manual fine jade twists rotating dog is connected in the rear end of rotating dog.

Two parallel total exchange networks are using LAN VLAN networkings, wide area network VPN, DDN special line, wireless bridge, net Line, twisted-pair feeder, optical fiber or coaxial cable.

The dual network crosspoint has further included monitor board, GPS plates, voice plate, recording plate and magnet plate；Monitoring Plate, GPS plates, voice plate, recording plate and magnet plate pass through internal two parallel communication network data lines and two pieces of power boards Connection.

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

Be both provided on the wireless plate, interior lines plate, outside line plate, seat plate audio isolated converter, digital isolator, Two panels network driver block and independent CPU and FPGA；Two pieces of network drives are connect by circuit with CPU, and CPU passes through circuit Connect with FPGA, FPGA on the one hand connect by digital analog converter with audio isolated converter, another aspect directly with number every It is connected from device；Audio isolated converter digital isolator is connected to port for peripheral equipment, and two panels network driver block then passes through Communication network data line is connected to two pieces of power boards.

Digital isolator uses photoelectrical coupler and relay.

Wireless plate is connect when in use with VHF VHF radios；Interior lines plate is connect when in use with direct connection telephone machine；Outside line Plate is connect when in use with local telephone network or programme-controlled exchange；Seat plate is connect when in use by seat end plaste with user seat.

Advantage and effect：The utility model provides a kind of double net total exchange communication system hosts that ladder is pedaled with maintenance, should Multiple double net crosspoints are connected together and form communication platform by system host；And each double net crosspoints are included wirelessly Plate, interior lines plate, outside line plate, seat plate, seat end plaste, monitor board, GPS plates, voice plate, recording plate and magnet plate, pass through two The parallel communication network data line of item links together with two pieces of power boards, double net crosspoints when in use, wireless plate with External VHF VHF radios connection, connects realization between external wireless communication system and seat, allows seat logical to outside News system carries out wireless communication and control；Interior lines plate is connect with direct connection telephone machine, make direct connection telephone machine can also by seat into Row call and control；And in this case, a seat can be realized to wired and wireless control, and wirelessly plate can with it is more A external VHF VHF radios connection, interior lines plate can also be connect with multi-section direct connection telephone machine, in this way by between a seat Conversion can realize multiple spot call purpose, make seat arrangement abnormalities succinctly reasonable；In addition in double net crosspoints also Other feature boards are configured with, such as：Outside line plate connect realization system and external telephone with local telephone network or programme-controlled exchange Connection；Monitor board is used to connect with monitoring configurating terminal machine, for monitoring system safety and sends out alarm signal；GPS plates with it is outer Portion's clock source connection, realizes that clock synchronizes；And voice plate is then used to store each corresponding function plate to dual network crosspoint The voice messaging of transmission；Plate record then 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 with two total exchange network redundancies being isolated each other Operation, system uses distributed control structure, by taking radio function plate as an example, does not have central processing unit in host, institute is functional It is controlled by the separate CPU on each feature board and FPGA, distributed control structure can be limited in failure minimum model In enclosing, the failure of any feature board does not all interfere with the normal operation of whole system, and reliability is made to be significantly improved.Double nets Total exchange network communication system host is as unit of each double net crosspoints when in use, and each double net crosspoints are single A corresponding seat and multiple wired and wireless device in position, seat each in this way can not only be carried out in this unit it is wired, Wireless and other functions controls can also be realized and be connected with the realization of the seat of other units, carry out information interchange, so significantly Improve the flexibility of information exchange.

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

As a result of distributed control structure and the working method of dual network parallel redundancy, data exchange is unblocked, System run all right, since input experiment, no an example systemic breakdown phenomenon occurs, and reliability is significantly improved, to protect Barrier flight safety provides strong support；

External voice information after analog-to-digital conversion, passes through the two to the utility model with the form that data are auspicious at work Network swaps, and designs broadband（10M）With actually using broadband（128K）Than reaching 10：0.128, effectively raise data Reliability is exchanged, is truly realized clog-free communication.

Multiple double net exchange functional units（It is 255 maximum, 1023 are extended to as needed）It is parallel by two The double net total exchange communication system hosts of total exchange system composition.It, not only can be multiple by two parallel total exchange networks Double net exchange functional units link together, and multiple double net total exchange communication system hosts of local and remote can also be connected Together, a complete double net total exchange network communication systems are formed, make the utilization of resources between strange land more reasonable, interregional It is more safe and reliable to contact even closer, control scheduling.

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 contact for making the ground utilization of resources more reasonable, interregional is even closer, is truly realized clog-free communication, at present, 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, is carried 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 System will possess very powerful dilatation ability.It attends a banquet under such exchange capacity, the various interfaces such as analog subscriber, digital subscriber Quantity almost can abundant networking solutions may be used with unconfined dilatation, can realize interregional multi-platform complete Function networks, and accomplishes resource-sharing.

In addition, many import equipment products are not to provide Data Conversion Protocol and technology, therefore when multisystem interconnects In the presence of very big difficulty.And the utility model, using the communication protocol of independent development, can be made not using different communications protocol Communication protocol between homologous ray is mutually converted, and has very strong compatibility between different product.

The utility model 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 whole isolation to all input/output ports.It is defeated to all audio inputs by audio isolated converter Go out signal（RX, TX and telephone signal）It is isolated；By photoelectrical coupler and relay to digital signal（PTT、SQL、ALM） It is isolated.Using full isolation access way, it is ensured that even if when catastrophe failure occurs in the utility model, will not dock The equipment such as the very high frequency(VHF) entered generate any influence, effectively improve can beechnut global reliability and safety.

The utility model also uses the interface of self-adapting type.When external equipment accesses, 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 meet 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 handling the functions such as the synthesis of the acquisition of the communications protocol of redundancy, audio and audio.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 can influence the normal operation of whole system.System reliability compare using traditional core host computer 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 technologies. The comparison of two kinds of technologies is as follows：

PCM switching technologies are a kind of digital signal exchanged forms before network technology is improved, similar to analog switch The exchanged form of matrix conversion, there are limitations for exchange capacity；Whole network switching technology is then that novel digital signal exchanges skill Art is to be born out with the rapid development of network technology, 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, there is data transmission standard in data exchange process Really, the characteristics of timely, more meets particular/special requirement of civil aviaton's industry to communication system security and reliability.

PCM switching technologies are 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 that PCM is exchanged enables speed of the processing capacity by processor, and total exchange network is institute Some signaling processing are distributed to each port up, disobey the speed for being against processor.

PCM exchanges need synchronised clock, if losing synchronised clock, PCM exchanges 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 technologies.

In terms of operation and maintenance mode.After the utility model, radio station is connected with wireless plate, in host computer communication Seat is directly connected with wireless plate and wired plate, and same seat, which can carry out wireless communication, can also carry out wire communication, uses With safeguard that safety also greatly improves therewith, has effectively ensured flight safety all compared with simple, conveniently.

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, user is facilitated to be safeguarded in the case where not influencing use.

The utility model possesses comprehensive in-service surveillance control platform.It can be with the letter of the data of any one in detecting system Breath, intelligent failure judgement and acousto-optic alarm.

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

The full redundancy design of exchange system.Make to close or pull up any one power board during custom system use 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 same seat On when being configured with active and standby two radio station of same frequency, if primary radio station is broken down（ALARM is alerted）, system can be automatic 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 action 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 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, multigroup can also be carried out at the same time meeting, and every group of conference member makes a speech number up to 4 sides simultaneously.

It has the function of " push to talk ", i.e., by conference call functions, can preset multiple call service groups, pass through a key Operation can call whole phones in the group simultaneously, this function has notice to navigator, notification information publication etc. very much Practicability.

The total exchange network technology of the utility model can be interconnected by many carriers（Such as：Cable, twisted-pair feeder, light Fibre, coaxial cable etc.）, and have many mature and stable networkings and routing plan that can select（Such as：LAN VLAN networkings, Wide area network VPN, DDN special line, wireless bridge etc.）, can also use independent research communications protocol, by conversion unit of protocol with It is interconnected using the interior words equipment of other communications protocol.

The drawing and pulling type of the utility model pedals ladder temporarily, can release when in use, can be carried out ascending a height after frame is good Operation, after operation, pedals ladder by the drawing and pulling type and is retracted in partition board, easy to use and flexible does not account for additionally temporarily With space, equipment is succinctly reasonable, highly practical, compares and is suitably applied in civil aviaton field.

Description of the drawings：

Fig. 1 shows the utility model overall structure schematic block diagrams；

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

Fig. 3 also illustrates that the schematic diagram of double net crosspoints of the utility model；

Fig. 4 represents the schematic diagram of exchange media of the utility model in use state；

Fig. 5 represents the structure diagram of the wireless plate of the utility model；

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

Fig. 7 represents the circuit diagram 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 represents the structural principle block diagram of the utility model power board；

Figure 10 is the side view cutaway drawing that drawing and pulling type pedals ladder temporarily；

Figure 11 pedals terraced usage state diagram temporarily for drawing and pulling type；

Figure 12 is the vertical view of Figure 11；

Figure 13 is the A positions enlarged drawing of Figure 12.

Specific embodiment：The utility model is described further below in conjunction with the accompanying drawings：

As shown in Figure 1, the utility model provides a kind of double net total exchange network communication system hosts, the communication system master Machine includes multiple dual network crosspoints 2, and multiple dual network crosspoints 2 are connected by two parallel total exchange networks 111 Together, LAN VLAN networkings may be used in total exchange network 111, the transmission such as wide area network VPN, DDN special line, wireless bridge are situated between Matter；Dual network crosspoint 2 mainly includes wireless plate 3, interior lines plate 4, outside line plate 5, seat plate 6, seat end plaste 7 and two pieces of friendships Change plate 8；As shown in Fig. 2, wireless plate 3, interior lines plate 4, outside line plate 5 are exchanged by two parallel communication network data lines with two pieces Plate 8 is connected in parallel, and is connect after two pieces of 8 parallel connections of power board with seat plate 6；Seat plate 6 connects seat end plaste 7；Two pieces of power boards 8 It is connect respectively with two external total exchange networks 111 simultaneously；In this way, just pass through exchange between multiple dual network crosspoints 2 Plate 8 and total exchange network 111 link together.Wireless plate 3 passes through external apparatus interface and outside VHF very high frequency(VHF)s electricity when in use Platform connects so that external VHF VHF radios can be controlled by the seat of dual network crosspoint 2；And interior lines plate 4 also leads to It crosses external apparatus interface to connect with direct connection telephone machine, outside line plate is connect with local telephone network or programme-controlled exchange, seat end plaste 7 and user Seat connect, can thus be formed on each double net crosspoints 2 one user seat 15 it is corresponding with it is wired and wirelessly oneself By the structural unit controlled, and the double net total exchange nets of the utility model formed after being connected between multiple double net crosspoints 2 Network communication system host between user seat 15 on multiple double net crosspoints 2 but also mutually can freely connect, in this way If user seat 15 control to wired, wireless and other functions can be not only carried out in the double net crosspoints 2 of itself, Information communication can also be carried out with the user seat 15 on other double net crosspoints 2 or on other double net crosspoints 2 Wired, wireless or other functions are linked up, it is such design allow for user seat 15 configuration it is succinctly efficient, and without as Previous that multiple remote-control boxs are configured and multi-section leads directly to phone like that, in this case, double net total exchange network communication system hosts are just By user seat and it is wireless and wired between, be organically combined togather between user seat and user seat；

And as shown in Fig. 2, the dual network crosspoint 2 has further included monitor board 9, GPS plates 10, voice plate 11, record Soundboard 12 and magnet plate 13；Monitor board 9, GPS plates 10, voice plate 11, recording plate 12 and magnet plate 13 are logical by internal two News network 222 is connect with two pieces of power boards 8；When in use, monitor board 9 is used to connect with monitoring configurating terminal machine；GPS plates 10 with External clock reference connects；And the language that voice plate 11 then sends for each corresponding function plate stored to dual network crosspoint 2 Message ceases；Plate 12 record then for the local recording at long-range seat；Magnet plate 13 is used for and magnetite or power supply telephone connection；

It is all provided on the wireless plate 3, interior lines plate 4, outside line plate 5, seat plate 6, monitor board 9, voice plate 11, recording plate 12 It is exactly existing to be equipped with audio isolated converter, digital isolator, two panels network driver block and independent CPU and FPGA, FPGA Field programmable gate array；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 independent CPU and FPGA are respectively provided on a printed circuit, and network driver block and inside two are parallel The connection of communication network data line, and then be connected to power board 8；Two pieces of network drives 14 are connect by circuit with CPU, CPU 18 are connect by circuit with FPGA 19, and CPU and FPGA forms control unit；FPGA is on the one hand opposite by two conversion directions Digital analog converter 22 connect with audio isolated converter, and on the other hand connect with digital isolator, audio isolated converter 21 and digital isolator 23 connect with port；Audio data is after audio isolated converter and digital isolator by data transmission Give CPU, FPGA processing；And photoelectrical coupler or relay may be used in digital isolator.

GPS plates 10 then include CPU and two piece of network driver block, and network driver block is connected to CPU by circuit, CPU is then connect with serial ports.

As shown in figure 8, multiple double 2 arrays of net crosspoint in the host computer communication 1 are arranged in housing 14；It is and every Wireless plate 3, interior lines plate 4, outside line plate 5, seat plate 6, monitor board 9, GPS plates 10, voice plate 11 in a double net crosspoints 2, Recording plate 12, magnet plate 13 and power board 8 are plugged in the board slot of housing 14, and power board 8 is plugged on board slot Both ends；Various external equipments include user seat 15, straight-through phone 16, VHF VHF radios 17 etc. and pass through connection to shell On the feature board corresponding to each double net crosspoints 2 in body 14.

As shown in figure 9, the structural principle simple block diagram for power board 8, on power board 8 being then provided with multiple ports is used for It is correspondingly connected with each feature board and total exchange network 111.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 by being handled, then transfer out in agreement judgment module after number and audio isolation.It hands over It changes in plate 8 information and enters crosspoint and control and land after number and audio isolation by being handled in agreement judgment module, then It is delivered to each feature board.

In addition it is the aufbauprinciple of wireless plate 3 as shown in Fig. 5,6 and 7.It is illustrated in figure 3 the utility model type of attachment Simple block diagram, the connection of the connection of each feature board and power supply, each feature board and power supply is shown in figure It is identical compared with well known circuit board, it repeats no more herein.

In addition, because this system can with it is external it is current the country used in various VHF, HF, transposer station, wireless talkback and Various landline communication equipments, and the normal operation of these equipment is directly related to safety of civil aviation production.Once since this is System internal fault reason causes the damage to access device, and loss is beyond measure.Therefore, each feature board of this system In design, whole isolation have been carried out to all input/output ports.It is defeated to all audios by audio isolated converter Enter output signal（RX, TX and telephone signal）It is isolated；Pass through digital isolator, that is, photoelectrical coupler and relay pair Digital signal（PTT、SQL、ALM）It is isolated.Using full isolation access way, it is ensured that even if occurring in this system serious During failure, will not to the equipment such as the very high frequency(VHF) of access generate any influence, effectively improve can beechnut entirety Reliability and safety.

As shown in figures 10-13, separated between double net crosspoints 2 by partition board 25, set in the slideway 29 of partition board 25 There is drawing and pulling type to pedal ladder temporarily, which pedals ladder and include back stay 26, front arm 27 and wale piece 28 temporarily；Back stay 26 is with before Support arm 27 is flexibly connected to form movable arm configuration by shaft, which is the structure that can take in and pull out slideway 29, the work Swing arm is left and right two, and wale piece 28 is arranged between two front arms 27, and wale piece 28 is can take in cunning together with lever arm Structure in road 29, the front end of wale piece 28 are flexibly connected by shaft with 27 forepart of front arm, wale piece 28 and front arm 27 Between can form opening scissor construction backwards, between two front arms 27 of rear end retractable of wale piece 28, in wale piece 28 Rear end be provided with the rotating dog 32 put in during use in the interim location hole 31 of housing 14, when rotating dog 32 is inserted into interim positioning When in hole 31, wale piece 28 is horizontal platy structure；Rotating dog 32 is rotary structure, when rotating dog 32 is rotated into front arm 27 Side slideway 30 in when, between wale piece 28 takes in two front arms 27, and slideway 29 can be taken in together with two front arms 27 It is interior.

It is cased with retracting back stay 26 and front arm 27 into the reset tension spring 33 in slideway 29 on back stay 26.

Rotating dog 32 is arranged on the rear end of wale piece 28 by torsional spring, and rotating dog 32 is kept 32 fine jade twisting both sides of rotating dog Torsion；The spanner 34 that manual fine jade twists rotating dog 32 is connected in the rear end of rotating dog 32.

In use, pulling out front arm 27, when front arm 27 is all exposed to outer, front arm 27 is pressed downward, it then will rotation 32 fine jades of shipping and reselling on another market back-out side slideway 30, push wale piece 28 so that the rear end of wale piece 28 is detached from front arm 27, with 27 shape of front arm Into angle, rotating dog 32 is made to be inserted into interim location hole 31 later so that wale piece 28 is horizontal to complete positioning, at this point, rotating dog 32 because the twisting force of torsional spring tightly withstands interim 31 side wall of location hole, along with the pulling force effect of reset tension spring 33, stull Plate 28 is firmly fixed temporarily, and then construction personnel can step down in and construction of ascending a height is carried out on wale piece 28, and this pumping It is pull-type that quantity and height can be arranged as required to by pedaling ladder temporarily.

After use, spanner 34 is gently pulled so that rotating dog 32 releases the top power to interim 31 side wall of location hole, so After pull out wale piece 28 and rotating dog 32, when rotating dog 32 completely disengages interim location hole 31, after wale piece 28 It pulls upwards at end so that rotating dog 32 is directed at side slideway 30, then unclamps spanner 34, rotating dog 32 is under the twisting force of torsional spring It is automatic to be rotated into the positioning completed in side slideway 30 between front arm 27, front arm 27 is raised then up, makes itself and post-tensioning Then bar 26 buttresses front arm 27 into a horizontal position, under the action of reset tension spring 33,27 quilt of back stay 26 and front arm It retracts together and storage is completed in slideway 29.

The interface of this double net total exchange communication system host uses self-adapting type.When external equipment accesses, each function The polarity and level of CPU and FPGA meeting automatic discrimination signals on plate, pass through and a mark are exported after internal polar and level conversion Quasi- control signal is handled.To the output signal of system, each feature board equally carries out intelligentized processing, expires output signal The needs of sufficient access device.This processing mode can meet ground connection/dry contact /+5V/+12V/-48V of digital signal etc., The connection of different agreement very high frequency(VHF) equipment is greatly facilitated, improves 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 exchange between each double net crosspoints 2 in double net total exchange communication system hosts, from And interregional multi-platform global function networking can be realized by realizing, accomplish the resource-sharing between double 2 platforms of net crosspoint.

The platform architecture of this double net total exchange network communication system host uses total exchange network technology, with traditional PCM Switching technology, which is compared, has 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 technologies are a kind of digital signal exchanged forms before network technology is improved, similar to analog switch The exchanged form of matrix conversion, there are limitations for exchange capacity；Whole network switching technology is then that novel digital signal exchanges skill Art is to be born out with the rapid development of network technology, 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, there is data transmission standard in data exchange process Really, the characteristics of timely, more meets particular/special requirement of civil aviaton's industry to communication system security and reliability.

PCM switching technologies are 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 that PCM is exchanged enables speed of the processing capacity by processor, and total exchange network is institute Some signaling processing are distributed to each port up, disobey the speed for being against processor.

PCM exchanges need synchronised clock, if losing synchronised clock, PCM exchanges 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 technologies.

After this double net total exchange communication system host, user seat 15 is directly by power board 8 and host Wireless plate 3 is connected with interior lines plate 4, and radio station 17 and direct connection telephone machine 16 are then connected with wireless plate 3 and interior lines plate 4 respectively, in this way, Same user seat, which can carry out wireless communication, can also carry out wire communication, and operation and maintenance is all compared with simple, conveniently, safety Property also greatly improves therewith, has effectively ensured flight safety.

In double net total exchange communication system hosts on the feature board of each double net crosspoints 2, be all integrated with each other every From the operation of two total exchange network redundancies, as shown in figure 3, the figure be the composition of a pair net crosspoints, it is by basic Two networks and multiple feature boards composition.

Double net total exchange communication system hosts in use, external voice information corresponding feature board therethrough into It after row analog-to-digital conversion, is swapped with the auspicious form of data by the two networks, designs broadband（10M）With actually using broadband （128K）Than reaching 10：0.128, data exchange reliability is effectively raised, is truly realized clog-free communication.

This double net total exchange communication system host uses the total exchange network architecture of redundancy, double net concurrent workings, Ke Yifang Just carry out dilatation, such as multiple double net crosspoints 2 can be increased, more user seats are also increased in this way, and are made It is even closer to obtain more reasonable, the interregional contact of the utilization of resources, is truly realized clog-free communication, at present, this system host Capacity is more than international similar system maximum capacity 2 times or more.

The feature board of this double net total exchange communication system host is all integrated with full redundancy network concurrent working, in any two Data exchange capability not less than 10Mpbs is provided between feature board；And if necessary by double net total exchanges of multiple the utility model Communication system host connects, then two parallel total exchange networks 111 can also be utilized to exchange information between multicomputer, The exchange rate of 100M, 1000M can be provided, in this case, set when by two same double net total exchange communication system hosts The information exchange in strange land can be also realized in different location, and after being connected again by two total exchange networks 111；And Along with the rapid development of network today technology, this double net total exchange communication system host will possess very powerful dilatation energy Power.Attend a banquet under such exchange capacity, the quantity of the various interfaces such as analog subscriber, digital subscriber almost can be unconfined Dilatation.

It is right with the construction of blank pipe field great Qu pipes, the extension in airline base and the integration of Airport Group company The region networking requirements of voice scheduling management are more and more urgent, and the research and development of this double net total exchange communication system host successfully solve This problem, using abundant networking solutions；And the user seat 15 in remote double net total exchange communication system host can profit Pass through the networking between telephone system in exchange network realization and strange land with transmission medium.As shown in figure 4, transmission medium includes light Fibre, coaxial cable, twisted-pair feeder, VLAN, VPN, protocol conversion ATS-QSIG, NO.7 and wireless bridge.

Since different double net total exchange communication system hosts are using different communications protocol, and many imported products are not It is to provide Data Conversion Protocol and technology, therefore when multisystem is interconnected in the presence of very big difficulty.This double net total exchange network leads to The communication protocol of system host independent development is interrogated, the communication protocols between different double net total exchange network communication system hosts can be made View mutually conversion, and there is very strong compatibility between different product.

This double net total exchange communication system host uses separate CPU decentralised control, every piece of feature board of double net crosspoints 2 On have high performance 32 intelligent processors（CPU）NIOSII, for handling the acquisition of the communications protocol of redundancy, audio and sound The functions such as the synthesis of frequency.In entire application and maintenance process, scattered control system structure can be limited in failure minimum In the range of, the failure of any feature board does not all interfere with the normal operation of whole system.System reliability is compared using traditional The system of core host computer control mode is further improved, stable, to ensure that flight safety provides strong support.

The utility model also has maintainability, is in particular in the following：

1st, 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.

2nd, comprehensive in-service surveillance control platform.Can be with the information of the data of any one in detecting system, intelligent sentences Disconnected failure and acousto-optic alarm.

3rd, 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.

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

5th, there is concealed step ladder, the board of eminence is facilitated to overhaul and ascend a height when replacing operation, is received in shell when not used In vivo, it is easy to operate, not additional occupied space.

In addition, double net crosspoints 2 in double net total exchange communication system hosts can realize active and standby VHF radio Seamless switching, when at active and standby two radio station that same frequency is configured on same user seat, if primary radio station goes out Existing failure（ALARM is alerted）, system can automatically switch to stand by station and be received and dispatched.Even if user is just in communication process, main Machine failure also unremitting can be switched to standby host, this action is almost imperceptible for recipient, and user can be with Standby machine is distinguished by adjusting the size of volume.

Double net total exchange communication system hosts, because containing multiple double net crosspoints, and each double net crosspoints All tool is there are one seat and the multiple direct connection telephone machines being connected with seat, so double net total exchange network communication system hosts are also It can realize the videoconference of 256*64 member's capacity, up to 256 videoconferences can be stored in videoconference, can be accommodated in group 64 members carry out meeting.The gradable carry out meeting of system, multigroup can also be carried out at the same time meeting, and every group of conference member is sent out simultaneously Speech number is up to 4 sides.By conference call functions, multiple call service groups can be preset, can be exhaled simultaneously by a key operation Whole phones in the group are, this function is very practical for notice to navigator, notification information publication etc..

The utility model, equipment is succinctly reasonable, highly practical, and step ladder is easy to operate, and not additional occupied space is also convenient for Transport, compares and is suitably applied in civil aviaton field.

Claims (9)

1. a kind of double net total exchange communication system hosts that ladder is pedaled with maintenance, it is characterised in that：The host includes multiple double Network exchange unit（2）, multiple dual network crosspoints（2）Pass through two parallel total exchange networks（111）It is cascaded Form communication device；The dual network crosspoint（2）Mainly include wireless plate（3）, interior lines plate（4）, outside line plate（5）, seat Plate（6）With two pieces of power boards（8）；Wireless plate（3）, interior lines plate（4）, outside line plate（5）Two are accessed by communication network data line Block power board arranged side by side（8）, two pieces of power boards（8）Seat plate is then connected to by communication network data line（6）；Two pieces of power boards （8）With two parallel total exchange networks（111）Connection；

The host computer communication（1）In multiple double net crosspoints（2）Array is arranged on housing（14）It is interior；And each double nets are handed over Change unit（2）In wireless plate（3）, interior lines plate（4）, outside line plate（5）, seat plate（6）, monitor board（9）, GPS plates（10）, voice Plate（11）, recording plate（12）, magnet plate（13）And power board（8）It is plugged on housing（14）Board slot（15）It is interior, it exchanges Plate（8）It is plugged on board slot（15）Both ends；

Double net crosspoints（2）Between pass through partition board（25）Separate, in partition board（25）Slideway（29）Drawing and pulling type is inside provided with to face When pedal ladder, the drawing and pulling type pedal temporarily ladder include back stay（26）, front arm（27）And wale piece（28）；Back stay（26）With preceding branch Arm（27）It is flexibly connected to form movable arm configuration by shaft, the lever arm is can take in and pull out slideway（29）Structure, should Lever arm is controls two, wale piece（28）It is arranged on two front arms（27）Between, wale piece（28）For can be with lever arm one It rises and takes in slideway（29）Interior structure, wale piece（28）Front end pass through shaft and front arm（27）Forepart is flexibly connected, stull Plate（28）With front arm（27）Between can form opening scissor construction backwards, wale piece（28）Rear end retractable two before prop up Arm（27）Between, in wale piece（28）Rear end put in housing when being provided with use（14）Interim location hole（31）Interior rotation Pin（32）, work as rotating dog（32）It is inserted into interim location hole（31）When interior, wale piece（28）For horizontal platy structure；Rotating dog（32） For rotary structure, work as rotating dog（32）It is rotated into front arm（27）Side slideway（30）When interior, wale piece（28）Take in two Front arm（27）Between, and can be with two front arms（27）Slideway is taken in together（29）It is interior.

2. double net total exchange communication system hosts according to claim 1 that ladder is pedaled with maintenance, it is characterised in that：Post-tensioning Bar（26）On be cased with back stay（26）And front arm（27）Retract slideway（29）Interior reset tension spring（33）.

3. double net total exchange communication system hosts according to claim 2 that ladder is pedaled with maintenance, it is characterised in that：Rotation Pin（32）Wale piece is arranged on by torsional spring（28）Rear end, rotating dog（32）It keeps rotating dog（32）The torsion of fine jade twisting both sides Power；In rotating dog（32）Rear end be connected with manual fine jade and twist rotating dog（32）Spanner（34）.

4. double net total exchange communication system hosts according to claim 1 that ladder is pedaled with maintenance, it is characterised in that：Two Parallel total exchange network（111）Using LAN VLAN networkings, wide area network VPN, DDN special line, wireless bridge, cable, multiple twin Line, optical fiber or coaxial cable.

5. double net total exchange communication system hosts according to claim 1 that ladder is pedaled with maintenance, it is characterised in that：It is described Dual network crosspoint（2）Monitor board is further included（9）, GPS plates（10）, voice plate（11）, recording plate（12）And magnet plate （13）；Monitor board（9）, GPS plates（10）, voice plate（11）, recording plate（12）And magnet plate（13）It is parallel by internal two Communication network data line and two pieces of power boards（8）Connection.

6. double net total exchange communication system hosts according to claim 5 that ladder is pedaled with maintenance, it is characterised in that：It is described Be provided on power board multiple interfaces being connect with each feature board and with total exchange network（111）The interface of connection, Suo Youjie Mouth is connect by audio isolated converter and digital isolator with crosspoint, and crosspoint judges with control and Routing Protocol Module connects.

7. double net total exchange communication system hosts according to claim 1 that ladder is pedaled with maintenance, it is characterised in that：Institute State wireless plate（3）, interior lines plate（4）, outside line plate（5）, seat plate（6）On be both provided with audio isolated converter, digital isolator, Two panels network driver block and independent CPU and FPGA；Two pieces of network drives are connect by circuit with CPU, and CPU passes through circuit Connect with FPGA, FPGA on the one hand connect by digital analog converter with audio isolated converter, another aspect directly with number every It is connected from device；Audio isolated converter digital isolator is connected to port for peripheral equipment, and two panels network driver block then passes through Communication network data line is connected to two pieces of power boards（8）.

8. double net total exchange communication system hosts according to claim 7 that ladder is pedaled with maintenance, it is characterised in that：Number Isolator uses photoelectrical coupler and relay.

9. double net total exchange communication system hosts according to claim 1 that ladder is pedaled with maintenance, it is characterised in that：Wirelessly Plate（3）It is connect when in use with VHF VHF radios；Interior lines plate（4）It is connect when in use with direct connection telephone machine；Outside line plate（5） It is connect when in use with local telephone network or programme-controlled exchange；Seat plate（6）Pass through seat end plaste when in use（7）Connect with user seat It connects.