CN209313939U - The multi-computer switching device and electronic equipment of more remote channels - Google Patents

Abstract

The embodiment of the present application provides the multi-computer switching device and electronic equipment of a kind of more remote channels, belongs to field of communication technology.The device includes processor, integrated display interface device, integrated input equipment interface, multiple remote access channels, multiple remote video signal ports and network interface；Integrated input equipment is for external integrated input equipment, to pass through the multi-computer switching device of the more remote channels of integrated input device controls；Each remote access channel is connect with each remote video signal port respectively, multiple remote video signal ports are used to receive the server video signal of accessed server transport, and server video signal is converted to output digit signals by multiple remote access channels；Network interface is used to output digit signals being sent to access end.Which incorporates the multichannel access function of digital KVM and property easy to use, the local operation functions of KVM, save cabinet space, reduce equipment cost.

Description

The multi-computer switching device and electronic equipment of more remote channels

Technical field

This application involves fields of communication technology, a kind of multi-computer switching device in particular to remote channel and Electronic equipment.

Background technique

Traditional integrated multi-computer switching device (english abbreviation: KVM) belongs to analog form, inserts i.e. though having With, without the characteristic that facilitates of software-driven, but at work will be by the switchings switch ability for stirring some mechanical or electronics Realize multimachine switching.Since analog KVM only carries out physics switching to keyboard, mouse, the control of display and display signal And analogue transmission, without being subject to digital conversion, by each signal, itself electrical characteristic is limited, and cannot achieve the biography of relatively long distance It is defeated.KVM controller just must necessarily be placed near each host in this way, increase the trouble of user.And the service life of switch is also Limited, for the user that those need frequent switching system, traditional KVM just seems very inconvenient.And tradition KVM is real A remote I P module can only be added in mainframe box when existing remote server access, and a remote access can only be supported logical Road.

KVM function can be extended to the digital KVM that network gets on as a result, to come into being.Digital KVM be have both it is high whole Conjunction property and the digital server centered of the enterprise-level of high security control management equipment, combine simulation switching and industry efficiency Highest OverIP (remote access) technology.Either local still in long-range any place in rack, digital KVM is ok The control and management of BIOS grade are provided to multiple servers and other information technoloy equipments by the network of TCP/IP.

But existing digital KVM need in addition one tradition KVM of configuration with realize it is local operate with, there are machines Cabinet space hold is big, mating problem at high cost.

Utility model content

In view of this, the multi-computer switching device and electricity for being designed to provide a kind of remote channel of the embodiment of the present application Sub- equipment, with improve in the prior art by digital KVM carry out multichannel remote access needs cabinet space it is big, it is mating at This high problem.

The embodiment of the present application provides a kind of multi-computer switching device of more remote channels, described device processor, one Body display interface device, integrated input equipment interface, multiple remote access channels, multiple remote video signal ports and net Network interface；The integration display interface device is connected to the processor by local bus, is used for external integrated display, The integration display is used for display device set interface or accessed server interface；The integration input equipment interface It is connected to the processor, for the external integrated input equipment, by described in the integrated input device controls The multi-computer switching device of more remote channels；The multiple remote access channel passes through the local bus and the processor Connection, each remote access channel connect with each remote video signal port in the multiple remote video signal port respectively It connects, the multiple remote video signal port is used to receive the server video signal of accessed server transport, and passes through The server video signal is converted to output digit signals by the multiple remote access channel；The network interface is for leading to It crosses gateway and access end communicates to connect, for the output digit signals to be sent to the access end.

During above-mentioned realization, multiple remote video signal ports are integrated in traditional machine posture KVM device, by every A remote access channel is connect with multiple remote video signal ports respectively, to receive the service of accessed server transport Device vision signal realizes the multichannel remote access function of digital KVM, avoids needing to carry out multi-pass by digital KVM Road will also configure a corresponding traditional machine posture KVM and carry out local operation when remotely accessing, to alleviate existing digital The cabinet space of KVM occupies big, mating problem at high cost.

Further, each remote access channel includes video encoder and analog-digital converter, the analog-to-digital conversion The input terminal of device is connect with the remote video signal port, and the output end of the analog-digital converter and the video encoder connect It connects, the video encoder is connected to the processor by the local bus；The analog-digital converter is used for will be described remote The server video signal of journey video signal port input is converted to digital signal, and the video encoder is for acquiring The digital signal is compressed after to the digital signal and is encapsulated as being suitble to the output digit signals of network transmission, it is described Processor is used to read the code stream of the output digit signals.

During above-mentioned realization, believed by the server video that video encoder and analog-digital converter transmit server Number be converted to the output digit signals of suitable network transmission, thus by the response screen of server be converted to can rapidly, it is accurate Ground is transferred to the code stream of access end, and then completes the remote pictures transmission of server.

Further, the multiple remote access channel further includes at least one video frequency analog switch, each video simulation The quantity of the outlet line of switch is identical as the multiple remote access number of channels in channel, each video frequency analog switch difference Pass through often connecting all the way with each video encoder in the outlet line.

During above-mentioned realization, server view is carried out by the video frequency analog switch connecting with remote video signal port The selection of frequency signal, so that access end can receive the server video signal of given server accurately and rapidly to right Server is remotely accessed.

Further, described device further includes being connected between the local bus and the integrated display interface device Video distributor, in the outlet line of each video frequency analog switch per being connect all the way with the video distributor.

During above-mentioned realization, is chosen using video distributor and the video of integrated display interface device output is needed to believe Number, so that operator gets correct picture, streamline operation when locally operating.

Further, described device further includes the local video signal port connecting with the video distributor, and described Ground video signal port is for exporting described device set interface or the accessed server interface.

During above-mentioned realization, accessed server circle is exported to external display by local video signal port Face or device set interface can also be by the remote video signal of the local video signal port of the same level KVM and next stage KVM Port is attached to provide cascade function.

Further, described device further includes local input equipment interface matched with the local video signal port, The local input equipment interface is connected to the processor.

During above-mentioned realization, local input equipment interface matched with local video signal port is provided, convenient for behaviour Make personnel and local operation is quickly and easily carried out to the device by input equipments such as external keyboard, mouses.

Further, described device further includes PS/2 controller, the local input equipment interface with it is described integrated defeated Enter equipment interface and pass through the PS/2 controller to be connected to the processor.

Further, described device further includes integrated preposition USB interface, local matched with local video signal port USB interface and usb hub, the integrated preposition USB interface, the local USB interface pass through the usb hub It is connected to the processor.

During above-mentioned realization, during above-mentioned realization, while the input of use PS/2 type and USB Type/defeated Equipment interface out, increases the access range of choice of input-output apparatus, to improve the applicability of the KVM.

The embodiment of the present application also provides a kind of electronic equipment, the electronic equipment includes display, input equipment and institute The multi-computer switching device stated, the display are connected with the integrated display interface device, the input equipment with it is described Integrated input equipment interface connection.

Detailed description of the invention

Technical solution in ord to more clearly illustrate embodiments of the present application will make below to required in the embodiment of the present application Attached drawing is briefly described, it should be understood that the following drawings illustrates only some embodiments of the application, therefore should not be seen Work is the restriction to range, for those of ordinary skill in the art, without creative efforts, can be with Other relevant attached drawings are obtained according to these attached drawings.

Fig. 1 is the appearance diagram of a kind of electronic equipment provided by the embodiments of the present application；

Fig. 2 is a kind of structural block diagram of the multi-computer switching device of more remote channels provided by the embodiments of the present application；

Fig. 3 is a kind of structural block diagram for remotely accessing channel provided by the embodiments of the present application；

Fig. 4 is the structural block diagram of another multi-computer switching device provided by the embodiments of the present application.

Icon: 10- electronic equipment；11- integration display；12- integration input equipment；13- unified frame；20- Multi-computer switching device；21- processor；22- integration display interface device；23- integration input equipment interface；24- is long-range Access path；242- analog-digital converter；244- video encoder；246- video frequency analog switch；25- remote video signal port； 26- network interface；27-PS/2 controller；28- graphic display hardware；30- multi-computer switching device；31- local video signal Port；32- local input equipment interface；33- video distributor；34- integrated preposition USB interface；The local 35- USB interface； 36-USB hub.

Specific embodiment

Below in conjunction with attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application is described.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.Meanwhile the application's In description, term " first ", " second " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.

First embodiment

Multi-computer switching device (KVM) is the management equipment in network, its English name KVM is Keyboard (key Disk), the first letter of three words of Video (display) and Mouse (mouse) composition.It can be realized with a set of keyboard, Display, mouse control multiple devices, formal entitled multi-computer switching device.Briefly, KVM is exactly to use one Group keyboard, display and mouse, control 2,4,8,16 or even the main frame to 4096 or more.The neck of KVM Domain also has spread over serial equipment, such as hub, router, storage facilities.Accurate KVM solution can allow more Position user accesses thousands of server and the network equipment in any place, any time.Moreover, such as logout, remote The functions such as journey power management, multi-level user's legal power safety management, environment warning system help IT manager to wish from them Any place safely manage daily running.

But through the applicant the study found that mostly using digital KVM when needing to carry out multichannel remote access, still Local operation carried out to digital KVM and need to be reconfigured a traditional machine posture KVM, pass through the machine connecting with digital KVM Posture KVM carries out the related setting and operation of multichannel remote access.Configuring digital KVM and traditional machine posture KVM simultaneously needs A large amount of cabinet space is occupied, thus the problem of bringing space hold and weak heat-dissipating, and increase whole KVM device and purchase into This.

To solve the above-mentioned problems, the embodiment of the present application provides a kind of multi-computer switching device 20 of more remote channels And a kind of electronic equipment 10 of the multi-computer switching device 20 including more remote channels.

Referring to FIG. 1, Fig. 1 is the appearance diagram of a kind of electronic equipment provided by the embodiments of the present application.

The basic internal structure of multi-computer switching device 20 provided in this embodiment and traditional machine posture KVM substantially phase Together, the globality, local operation when multi-computer switching device 20 and electronic equipment 10 configure with traditional machine posture KVM are easy The characteristics such as property.

Electronic equipment 10 may include multi-computer switching device 20, integrated display 11, integrated input equipment 12 And for accommodate multi-computer switching device 20, integrated display 11, integrated input equipment 12 unified frame 13. Integrated display 11, integrated input equipment 12 are connect with multi-computer switching device 20 respectively, and operator can pass through one Body display 11, integrated input equipment 12 carry out local operation to multi-computer switching device 20, so that multiple access ends Multichannel remote access is realized by the multi-computer switching device 20.

Referring to FIG. 2, Fig. 2 is a kind of knot of the multi-computer switching device of more remote channels provided by the embodiments of the present application Structure block diagram.

The multi-computer switching device 20 of more remote channels in the present embodiment connects including processor 21, integrated display Mouth 22, integrated input equipment interface 23, remote access channel 24, remote video signal port 25 and network interface 26.

In the present embodiment, processor 21 can be a kind of IC chip, the processing capacity with signal.Above-mentioned place Reason device 21 can be general processor, including central processing unit (Central Processing Unit, CPU), network processing unit (Network Processor, NP) etc.；Can also be digital signal processor (Digital Signal Processing, DSP), specific integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate Array (Field Programmable Gate Array, FPGA) either other programmable logic device, discrete gate or crystal Pipe logical device, discrete hardware components.The general processor can be microprocessor or any conventional processor, should have The moulds such as standby USB, video encoder, VGA (full name in English: Video Graphics Array, Chinese name: Video Graphics Array) Block driving function and interface layer encapsulation function, it is alternatively possible to realize that data encryption, virtual media, keyboard data and data are same The kvm systems common functions such as step.Optionally, the processor 21 can be MPC8308VMADDA or its alloytype in this present embodiment Number processor, the processor of the MPC8308VMADDA model has 2 ethernet controllers, further include USB controller and Local Bus bus (frequently referred to cpu bus) and I2C bus, UART (full name in English: Universal Asynchronous Receiver/Transmitter, Chinese name: universal asynchronous receiving-transmitting transmitter) etc. Peripheral Interfaces, meet the present embodiment provides Multi-computer switching device 20 demand.

Processor 21 is communicated to connect with integrated display interface device 22 and network interface 26 respectively, specifically, processor 21 can be connected with integrated display interface device 22 by high-speed local bus.Wherein, high-speed local bus are in ISA (English Full name: Industry Standard Architecture, Chinese name: industry standard architecture) bus and cpu bus it Between increased level-one bus or management level, for by some high-speed peripherals (such as graphics card, hard disk controller) from isa bus It unloads and is directly articulated on cpu bus by local bus, be allowed to match with cpu bus.

Further, the external integrated display 11 of integrated display interface device 22 can be with traditional machine posture KVM (LCD/LED KVM) included display screen is similar, can be 12 cun, 15 cun, 17 cun, 19 cun or the LCD/LED screen of other sizes Curtain.

Integrated input equipment interface 23 is used for and integrated input equipment 12 connects, which can be with It is integrated input equipment identical mouse, keyboard and/or the touch screen included with traditional machine posture KVM (LCD/LED KVM).

Further, integrated input equipment interface 23 can be USB Type, PS/2 type or other kinds of interface. Optionally, the integrated input equipment interface 23 in the present embodiment is PS/2 interface, then the multicomputer switching in the present embodiment Device 20 further includes PS/2 controller 27, and integrated input equipment interface 23 needs to connect by PS/2 controller 27 and processor 21 It connects.

Optionally, the PS/2 controller 27 in the present embodiment can by micro-control unit (full name in English: The I/O port simulation PS/2 agreement timing of (Microcontroller Unit, english abbreviation: MCU) is realized.In the present embodiment, mould Quasi- PS/2 agreement timing is divided into two-way, is respectively connected to integrated input equipment interface 23 and carries out integrated input equipment The signal of Trackpad and keyboard in equipment 12 transmits.It should be understood that needing to increase additional input-output apparatus When, the PS/2 agreement timing of the simulation is divided into the simulation PS/2 agreement timing on 4 tunnels, 8 tunnels or any other quantity.

Referring to FIG. 3, Fig. 3 is a kind of structural block diagram for remotely accessing channel provided by the embodiments of the present application.

Remote access channel 24 is connect with processor 21 by high-speed local bus, also with all remote video signals Port 25 connects, and the server video signal access multicomputer of accessed server feedback is cut in remote video signal port 25 Changing device 20.

Remote access channel 24 may include analog-digital converter 242 and video encoder 244, analog-digital converter 242 it is defeated Enter end to connect with remote video signal port 25, the output end of analog-digital converter 242 is connect with video encoder 244, and video is compiled Code device 244 is connect by high-speed local bus with processor 21.

Analog-digital converter 242 is used to the server video signal that remote video signal port 25 inputs being converted to digital letter Number, video encoder 244 is used to compress the digital signal that the transmission of analog-digital converter 242 comes and is encapsulated as being suitble to network transmission Output digit signals, device 21 for processing read the output digit signals code stream and send it to access end.

Optionally, analog-digital converter 242 can use the video A/D converter of AD9984A model, with 170MHz Bandwidth, support highest resolution is 1600*1200@60Hz, and rgb signal can be converted to each component 10bit's Digital signal.Video encoder 244 can be support SDI, and (full name in English: Serial Digital Interface, Chinese are complete Claim: digital component serial line interface), HDMI (full name in English: High Definition Multimedia Interface, Chinese Full name: high-definition media interface), VGA, CVBS (full name in English: Composite Video Broadcast Signal, Chinese Full name: composite video synchronization broadcast singal) etc. a variety of input sources, realize VGA signal high-resolution, the view of the coding transmission of low code stream Frequency encoder.Optionally, 244 function of video encoder can also (Chinese name: scene can compile by FPGA in the present embodiment Journey gate array, full name in English: Field-Programmable Gate Array) device realization, mould is acquired by FPGA device The digital signal that the transmission of number converter 242 is come in, then compresses it using H.264 digital video compression standard, thus Improve parallel processing speeds, the compatible flexibility of resolution ratio in remote access channel 24.

It, can be in multiple accessed server interfaces when carrying out multichannel remote access by multi-computer switching device 20 The interface needed is chosen, therefore remotely accessing channel 24 can also include video frequency analog switch 246.It should be understood that video Analog switch 246 can be multiple, the quantity of the outlet line of each video frequency analog switch 246 and leading to for remote access channel 24 Road quantity is identical, and each video frequency analog switch 246 is connect by each outlet line with each video encoder 244 respectively.

Optionally, the video frequency analog switch 246 in the present embodiment can use EL4544IGZ model, and chip has 32 The input of road RGB analog difference signal and 5 road single-ended signals output (for the quantity to remotely access channel 24 is 5), pass through Internal register is configured, any 1 routing in 32 RGB analog difference signal inputs can be output to 5 road single-ended signals In output.Wherein, 32 RGB analog difference signal inputs are connect with remote video signal port 25 respectively, and 5 road single-ended signals are defeated Often being connect respectively with each video encoder 244 all the way in out.

Optionally, the remote video signal port 25 in the present embodiment can be USB interface, digital visual interface (English Full name: Digital Visual Interface, english abbreviation: DVI), HDMI interface or other kinds of video signal interface.

In the output digit signals for the accessed server interface for obtaining accessed server by remote access channel 24 Afterwards, in addition to transmitting it to access end, interface display can also be carried out in the local of multi-computer switching device 20, to facilitate behaviour Make personnel and carries out local operation.Then the multi-computer switching device 20 in the present embodiment can also include graphic display hardware 28, Graphic display hardware 28 is connect by high-speed local bus with processor 21, and integrated display interface device 22 and the graphical display are hard Part 28 connects.Graphic display hardware 28 is responsible for device set interface or accessed server interface under the control of processor 21 The refreshing of corresponding frame buffer is shown.

Optionally, the graphic display hardware 28 in the present embodiment can be but be not limited to the profession of model S1D13305 Figure display card chip.

Network interface 26 is communicated to connect by gateway and access end.Wherein, gateway can be router, exchange Machine etc..Optionally, network interface 26 can be RJ-11 interface, SC optical fiber interface, fddi interface (full name in English: (Fiber Distributed Data Interface) etc. Ethernet interfaces or other kinds of network interface.

It should be understood that when being remotely accessed in addition to be accessed server interface video data transmission and processing, It also needs that other business datums such as control data are transmitted and handled.Optionally, the multicomputer of the present embodiment switches dress Setting 20 further includes the communication control module for being transmitted to other business datums except video data.

Communication control module is connected to processor 21 and communication interface module (full name in English: Communication Interface Module, english abbreviation: CIM) between, for carrying out the link selection of the data such as keyboard, mouse, virtual media And forwarding.The data may include upstream data and downlink data.Corresponding downlink data includes: the HID (English of access end crawl Full name: Human Interface Device, Chinese name: human interface device) data are transmitted to processor 21, processor 21 HID data are sent to communication control module by high-speed local bus, communication control module is according to the port of access end by HID Data distributing is to the corresponding communication interface module in the port.Corresponding upstream data include: communication interface module by keyboard light report, The data such as audio, virtual media are uploaded to communication control module, and communication control module forwards it to processor 21, then passes through net Network is sent to access end.Communication interface module in the present embodiment can be multiple 485 ports, wherein multiple to can be 32 Or other quantity.

Referring to FIG. 4, Fig. 4 is the structural block diagram of another multi-computer switching device provided by the embodiments of the present application.

Multi-computer switching device 30 includes the corresponding component of multi-computer switching device 20, with multi-computer switching device Unlike 20, multi-computer switching device 30 further includes local video signal port 31, local input equipment interface 32.

Local video signal port 31 is connect by graphic display hardware 28 with processor 21, is used to device boundary is arranged Face or accessed server interface are exported to external local display.

Local input equipment interface 32 is connect by PS/2 controller 27 with processor 21, be used for by with local display The control information of matched local input equipment is transmitted to processor 21.

It is filled it should be understood that operator can switch multicomputer by local display, local input equipment 30 carry out independent operations are set, it can also be by integrated display 11, integrated input equipment 12 to multi-computer switching device 30 carry out independent operation.

Optionally, operator can also access the remote video signal port 25 of other multi-computer switching devices 30 Increase the logical of remote access to the local video signal port 31 of this multi-computer switching device 30 to carry out cascade operation Road quantity.

Further, in order to enable accessed server interface or device set interface simultaneously by local display or Integrated display 11 is shown that multi-computer switching device 30 further includes video distributor 33, and video distributor 33 is distinguished With local video signal port 31, integrated display interface device 22, each video frequency analog switch 246 each outlet line and Graphic display hardware 28 connects.

Above-mentioned video distributor 33 is used to the amplification of vision signal 1 road output digit signals are zoomed into 2 road signals, So that local display or integrated display 11 are shown.Optionally, the model of the video distributor 33 in the present embodiment It can be but be not limited to ISL59833IAZ.

It should be understood that present input-output equipment is in addition to PS/2 type, it is also possible to be usb type.Cause This multi-computer switching device 30 can also include integrated preposition USB interface 34, local USB interface 35 and usb hub 36, Integrated preposition USB interface 34, local USB interface 35 are connect by usb hub 36 with processor 21.

Operator can pass through the equipment such as 34 external connection keyboard of integrated preposition USB interface, mouse, local USB interface 35 It can be for external the input-output equipment such as with the matching used mouse of local display, keyboard, USB interface quantity can be with It is multiple.

Optionally, usb hub 36 can be but be not limited to the usb hub of model GL850G in the present embodiment.

In conclusion the embodiment of the present application provides a kind of multi-computer switching device of more remote channels and electronics is set It is standby, described device processor, integrated display interface device, integrated input equipment interface, multiple remote access channels, Duo Geyuan Journey video signal port and network interface；The integration display interface device is connected to the processor by local bus, For external integrated display, the integration display is used for display device set interface or accessed server interface； The integration input equipment interface is connected to the processor, for the external integrated input equipment, by described The multi-computer switching device of more remote channels described in integrated input device controls；The multiple remote access channel passes through institute It states local bus to be connected to the processor, each remote access channel is respectively and in the multiple remote video signal port Each remote video signal port connection, the multiple remote video signal port is for receiving accessed server transport Server video signal, and the server video signal is converted to by output number letter by the multiple remote access channel Number；The network interface is used to communicate to connect by gateway and access end, for being sent to the output digit signals The access end.

During above-mentioned realization, multiple remote video signal ports are integrated in traditional machine posture KVM device, by every A remote access channel is connect with multiple remote video signal ports respectively, to receive the service of accessed server transport Device vision signal realizes the multichannel remote access function of digital KVM, avoids needing to carry out multi-pass by digital KVM Road will also configure a corresponding traditional machine posture KVM and carry out local operation when remotely accessing, to alleviate existing digital The cabinet space of KVM occupies big, mating problem at high cost.

In several embodiments provided herein, it should be understood that disclosed device and method can also pass through Other modes are realized.The apparatus embodiments described above are merely exemplary, for example, flow chart and block diagram in attached drawing Show the device of multiple embodiments according to the application, the architectural framework in the cards of method and computer program product, Function and operation.In this regard, each box in flowchart or block diagram can represent the one of a module, section or code Part, a part of the module, section or code, which includes that one or more is for implementing the specified logical function, to be held Row instruction.It should also be noted that function marked in the box can also be to be different from some implementations as replacement The sequence marked in attached drawing occurs.For example, two continuous boxes can actually be basically executed in parallel, they are sometimes It can execute in the opposite order, this depends on the function involved.It is also noted that every in block diagram and or flow chart The combination of box in a box and block diagram and or flow chart can use the dedicated base for executing defined function or movement It realizes, or can realize using a combination of dedicated hardware and computer instructions in the system of hardware.

In addition, each functional module in each embodiment of the application can integrate one independent portion of formation together Point, it is also possible to modules individualism, an independent part can also be integrated to form with two or more modules.

It, can be with if the function is realized and when sold or used as an independent product in the form of software function module It is stored in a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially in other words The part of the part that contributes to existing technology or the technical solution can be embodied in the form of software products, the meter Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be a People's computer, server or network equipment etc.) execute each embodiment the method for the application all or part of the steps. And storage medium above-mentioned includes: that USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), arbitrary access are deposited The various media that can store program code such as reservoir (RAM, Random Access Memory), magnetic or disk.

The above description is only an example of the present application, the protection scope being not intended to limit this application, for ability For the technical staff in domain, various changes and changes are possible in this application.Within the spirit and principles of this application, made Any modification, equivalent substitution, improvement and etc. should be included within the scope of protection of this application.It should also be noted that similar label and Letter indicates similar terms in following attached drawing, therefore, once it is defined in a certain Xiang Yi attached drawing, then in subsequent attached drawing In do not need that it is further defined and explained.

The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any Those familiar with the art within the technical scope of the present application, can easily think of the change or the replacement, and should all contain Lid is within the scope of protection of this application.Therefore, the protection scope of the application shall be subject to the protection scope of the claim.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that There is also other identical elements in process, method, article or equipment including the element.

Claims (9)

1. a kind of multi-computer switching device of more remote channels, which is characterized in that described device includes that processor, integration are aobvious Show that device interface, integrated input equipment interface, multiple remote access channels, multiple remote video signal ports and network connect Mouthful；

The integration display interface device is connected to the processor by local bus, for external integrated display, institute Integrated display is stated for display device set interface or accessed server interface；

The integration input equipment interface is connected to the processor, for the external integrated input equipment, to pass through The multi-computer switching device of more remote channels described in the integration input device controls；

The multiple remote access channel is connected to the processor by the local bus, each remote access channel difference It is connect with each remote video signal port in the multiple remote video signal port, the multiple remote video signal end Mouth is for receiving the server video signal of accessed server transport, and passing through the multiple remote access channel will be described Server video signal is converted to output digit signals；

The network interface is used to communicate to connect by gateway and access end, for being sent to the output digit signals The access end.

2. the multi-computer switching device of more remote channels according to claim 1, which is characterized in that described each long-range Access path includes video encoder and analog-digital converter, the input terminal of the analog-digital converter and the remote video signal end Mouth connection, the output end of the analog-digital converter are connect with the video encoder, and the video encoder passes through the part Bus is connected to the processor；

The analog-digital converter is used to the server video signal that the remote video signal port inputs being converted to number Word signal, the video encoder is for being compressed and being encapsulated as to the digital signal after collecting the digital signal It is suitble to the output digit signals of network transmission, the processor is used to read the code stream of the output digit signals.

3. the multi-computer switching device of more remote channels according to claim 2, which is characterized in that the multiple long-range Access path further includes at least one video frequency analog switch, the quantity of the outlet line of each video frequency analog switch with it is the multiple The number of channels for remotely accessing channel is identical, each video frequency analog switch pass through respectively in the outlet line per all the way and often A video encoder connection.

4. the multi-computer switching device of more remote channels according to claim 3, which is characterized in that described device is also wrapped The video distributor being connected between the local bus and the integrated display interface device is included, each video frequency analog switch Often being connect all the way with the video distributor in the outlet line.

5. the multi-computer switching device of more remote channels according to claim 4, which is characterized in that described device is also wrapped The local video signal port connecting with the video distributor is included, the local video signal port is for exporting described device Set interface or the accessed server interface.

6. the multi-computer switching device of more remote channels according to claim 5, which is characterized in that described device is also wrapped Include local input equipment interface matched with the local video signal port, the local input equipment interface and the processing Device connection.

7. the multi-computer switching device of more remote channels according to claim 6, which is characterized in that described device is also wrapped PS/2 controller is included, the local input equipment interface passes through the PS/2 controller with the integrated input equipment interface It is connected to the processor.

8. the multi-computer switching device of more remote channels according to claim 1, which is characterized in that described device is also wrapped Include integrated preposition USB interface, local USB interface matched with local video signal port and usb hub, the one Change preposition USB interface, the local USB interface passes through the usb hub and is connected to the processor.

9. a kind of electronic equipment, which is characterized in that the electronic equipment includes display, input equipment and such as claim 1-8 Multi-computer switching device described in middle any claim, the display are connected with the integrated display interface device, institute Input equipment is stated to connect with the integrated input equipment interface.