CN206557728U

CN206557728U - KVM signal extenders

Info

Publication number: CN206557728U
Application number: CN201720273421.0U
Authority: CN
Inventors: 李茂林
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-03-21
Filing date: 2017-03-21
Publication date: 2017-10-13
Anticipated expiration: 2027-03-21

Abstract

A kind of KVM signals extender, mainly includes：Main box, core docking pcb board, hot-swappable power supply, LED Unit, signal receiving end module, signal sending end module, AC ends input port, hangers.The uncompressed transmission technology that the utility model is used, realizes the function of not losing primary signal integrality completely in collection target device signal, transmission signal process.The modular design of main box simultaneously can carry out flexibly quickly maintenance.

Description

KVM signal extenders

Technical field

This reality is new to be related to specifically related to a kind of KVM signals extender, particularly belongs to the technical field of information transmission.

Background technology

KVM signal extenders are compressed after Computer signal is acquired, and then pass through optical fiber or common net Line carries out signal extension, so as to reach the purpose of long-distance transmissions and control targe computer or camera signals.Traditional KVM signal extenders are although with low cost, but simultaneous problem is also obvious.

Traditional KVM signal extenders use signal compression algorithm, artificially reduced by software video pictures definition and The integrality of loss transmission signal, to realize the purpose for saving broadband resource.Simultaneously in actual signal transmit process, not Using special high Wideband signal transmission chip.These can all cause occur picture hangover, keyboard and mouse in actual work The shortcomings of target poor compatibility, the stability that works long hours are poor.Existing KVM signals extender once goes wrong all only simultaneously It can shut down and be handled.Specifically, faulty equipment is removed to buy again and changed into new equipment.This can influence customer service Normal development, in some instances it may even be possible to the benefit to client causes larger loss.

Utility model content：

The purpose of this utility model is to provide a kind of KVM signals extender.Described KVM signal extenders include：It is main Casing, core docking pcb board, hot-swappable power supply, LED Unit, signal receiving end module, signal sending end module, the input of AC ends Mouth, hangers.Its core docking pcb board is fixed on the middle position of main box, and hot-swappable power supply, LED Unit are by inserting master The oblong openings that case body front surface is set are connected with core docking pcb board, AC input mouth, signal receiving end module, signal hair Sending end module is to be connected by inserting the opening that surface is set after main box with core docking pcb board.The left and right sides of main box Front end be provided with hangers, upper surface is provided with a dismountable upper cover plate.Described KVM signal extenders are by being fixed on Enterprising exercise of the rack of computer room is used.

Described main box is the internal cuboid for hollow-core construction, and main box is internally provided with four module carriers.It is main Be provided with two oblong openings and eight circular holes on the preceding surface of casing, rear surface be provided with two oblong openings and Two circular holes.It is provided with the aperture of dense arrangement on the side of left and right two, there is a dismountable cover plate upper surface.Module branch Frame is used for constraining the position of hot-swappable power supply, LED Unit, signal receiving end module, signal sending end module in main box. The aperture for the dense arrangement that the left and right sides is set is used for radiating.

Described core docking pcb board is one block of fpga chip plate, uses complete signal and gathers uncompressed transmission skill Art scheme.It distributes resource special signal using the high speed signal resources handling capability and programmable characteristic of fpga chip Acquisition chip.By the way that the signal for externally saying access is carried out into primitive character collection, then chip fast allocable resource is transmitted to signal It is transmitted.The integrality of primary signal is not lost completely during collection target device and transmission signal.

It is that KVM signal extender transmitting terminals and KVM signal extender receiving terminals are powered that described hot-swappable power supply, which is, by AC DC is converted into, Anti-surging (+/- 2KV) is equally supported, protection is provided for rear end equipment.Its quantity of hot-swappable power supply is two, Screwed hole is provided with its preceding surface.Module carrier in the preceding surface oblong openings and main body case of main box constrains its position Put, and hot-swappable power supply and main box are fixed together by screw thread, and be connected on core docking pcb board.Hot drawing plug-in Source can be upgraded by standardized module electric power incoming line, and then reach power backup capability.If at the scene in use, there is electricity all the way Source failure, client, which can quickly carry out changing, uses the hot-swappable power supply in another road.

Described LED Unit is provided in the preceding surface of main box, and is connected with core docking pcb board.It includes：Depending on Frequency indicator lamp, optical fiber indicator, power supply indicator, display indicator lamp.The number of the LED Unit is two, and its effect is The diagnostic function of signal circuit is provided the user, facilitates user to get information about the operation feelings of equipment under equipment use state Condition.

Described signal receiving end module is located at after the right-hand member on surface after main box, signal receiving end module to be set on surface There is signal receiving interface, include respectively from left to right：PS/2 mouse interfaces, PS/2 keyboard interfaces, display interface device, optical fiber connect Mouth, reserved port, speaker interface, USB mouse interface, USB keyboard interface.Surface is provided with screw thread after signal receiving end module Hole, its position is constrained by the module carrier in the oblong openings and main body case of main box front-back, and will by screw thread Signal receiving end module is fixed together with main box.Synchronous signal reception end module is docked pcb board with core and linked together.

Described PS/2 mouse interfaces are used for accessing PS/2 mouses.

Described PS/2 keyboard interfaces are used for accessing PS/2 keyboards.

Described display interface device is DIV-D display prots, for accessing the display for possessing DVI interface.

Described optical patchcord interface is used for incoming fiber optic wire jumper.

Idle state is in when described spare interface is normal, it is only extra the need for when used.

Described audio output interface is used to access loudspeaker, the output for audio.The sound equipment of its interface is 3.5mm.

Described USB mouse interface is used for the mouse for accessing USB2.0 interfaces.

Described USB keyboard interface is used for the keyboard for accessing USB2.0 interfaces.

Described signal sending end module is located on the left of signal receiving end module, is set after signal sending end module on surface There is signal transmission interface, include successively from left to right：Output interface, PS/2 mouse interfaces, PS/2 keyboard interfaces, optical fiber interface, COBBAIF, audio input interface, main frame access port.Surface is provided with screwed hole after synchronous signal initiator block, passes through master Module carrier in the oblong openings and main body case of casing front-back constrains its position, and by screw thread by signal receiving end Module is fixed together with main box.Synchronous signal initiator block is docked pcb board with core and linked together.

Described output interface is a DVI-D port, and it is used for the main frame video card for connecting signal input device.

Described PS/2 mouse interfaces are used for access host PS/2 mouses.

Described PS/2 keyboard interfaces are used for access host PS/2 keyboards.

Described optical fiber interface is used for connecting the telecommunication optical fiber of long range.

Described COBBAIF is used for connecting local audio.

Described audio input interface is used for connecting the port of host audio output end.

Described HPI is used for connecting the USB port of main frame.

Described AC ends input port is arranged on the left side of the rear surface signal initiator block of main box, AC ends input port Number is two.Its effect is to provide 220V alternating voltages for signal extender.

Described hangers is L shapes, and its number is two, is symmetricly set on the front end of the main box left and right sides；The two of hangers Individual face is both provided with screwed hole.The effect of screwed hole is that main box is fixed with rack by screw thread.

The uncompressed transmission technology that the utility model is used, is realized in collection target device signal, transmission signal process In do not lose the function of primary signal integrality completely.The modular design of main box simultaneously can carry out flexibly quickly dimension Repair.When user runs into failure in use at the scene, maintenance and the updating operation of equipment can be carried out at any time, former without removing Operated in the case of having circuit, it is greatly convenient for users to use.

Brief description of the drawings

Fig. 1 is the schematic diagram of the utility model explosive view.

Fig. 2 is schematic surface before the utility model main box.

Fig. 3 is schematic surface after the utility model main box.

Wherein：

1 --- main box 101 --- module carrier 102 --- upper cover plate

2 --- docking pcb board 3 --- hot-swappable power supply 4 --- LED Units

401 --- video indicator lamp 402 --- optical fiber indicator 403 --- power supply indicators

404 --- display indicator lamp 5 --- signal receiving end module 501 --- PS/2 mouse interfaces

502 --- PS/2 keyboard interfaces 503 --- display interface device 504 --- optical fiber interfaces

505 --- reserved port 506 --- speaker interface 507 --- USB mouse interfaces

508 --- USB keyboard interface 6 --- signal sending end module 601 --- output interfaces

602 --- PS/2 mouse interfaces 603 --- PS/2 keyboard interfaces 604 --- optical fiber interfaces

605 --- COBBAIF 606 --- audio input interface 607 --- HPIs

7 --- AC ends input port 8 --- hangers

Embodiment：

As shown in Fig. 1-3, in order that the purpose of this utility model, technical scheme and advantage are of greater clarity.With reference to tool The embodiment of body, the utility model is described in detail.During this, the description to known features and technology is eliminated, To avoid to unnecessarily obscuring concept of the present utility model.It is simply exemplary for these descriptions.It is not to limit this The scope of utility model.

KVM signals extender described in the utility model includes：Main box 1, core docking pcb board 2, hot-swappable power supply 3, LED Unit 4, signal receiving end module 5, signal sending end module 6, AC ends input port 7, hangers 8.Core docking pcb board 2 is consolidated The middle position of main box 1 is scheduled on, hot-swappable power supply 3, LED Unit 4 are by inserting the rectangular of the preceding surface of main box 1 setting Shape opening is connected with core docking pcb board 2, and signal receiving end module 5, signal sending end module 6 and AC input mouth 7 are to pass through The opening that surface is set after insertion main box 1 is connected with core docking pcb board 2.The front end of the left and right sides of main box 1 is provided with Hangers 8, upper surface is provided with a dismountable upper cover plate 102.Described KVM signals extender is by being fixed on the machine of computer room Enterprising exercise of cabinet is used.

Specifically, the hot-swappable quantity of power supply 3 is two, and screwed hole is provided with its front surface, passes through table before main box 1 Module carrier 101 in the oblong openings and main body case 1 in face constrains its position, by screw thread by hot-swappable power supply 3 with leading Casing 1 is fixed together, and is connected on core docking pcb board 2.

LED Unit 4 is provided in the preceding surface of main box 1, and is connected with core docking pcb board 2.It includes：Video refers to Show lamp 401, optical fiber indicator 402, power supply indicator 403, display indicator lamp 404.The number of the LED Unit is two.

Signal receiving end module 5 is located at after the right-hand member on surface after main box 1, signal receiving end module 5 to be provided with surface Signal receiving interface, includes respectively from left to right：PS/2 mouse interfaces 501, PS/2 keyboard interfaces 502, display interface device 503, Optical fiber interface 504, reserved port 505, speaker interface 506, USB mouse interface 507, USB keyboard interface 508.Signal is received Surface is provided with screwed hole after end module 5, passes through the module carrier in the oblong openings and main body case of the front-back of main box 1 101 constrain its position, and signal receiving end module 5 is fixed together with main box 1 by screw thread.Synchronous signal receiving terminal mould Block docks pcb board 2 with core and linked together.

Signal sending end module 6 is located at after the left side of signal receiving end module 5, signal sending end module 6 to be provided with surface Signal transmission interface, includes successively from left to right：Output interface 601, PS/2 mouse interfaces 602, PS/2 keyboard interfaces 603, light Fine interface 604, COBBAIF 605, audio input interface 606, HPI 607.Surface is set after synchronous signal initiator block 6 Screwed hole is equipped with, its position is constrained by the module carrier 101 in the oblong openings and main body case 1 of the front-back of main box 1, And signal receiving end module 6 is fixed together with main box 1 by screw thread.Synchronous signal initiator block is docked with core Pcb board 2 links together.

AC ends input port 7 is arranged on the left side of the rear surface signal initiator block 7 of main box 1, of AC ends input port 7 Number is two.Its effect is to provide 220V alternating voltages for signal extender.

Hangers 8 is L shapes, and its number is two, is symmetricly set on the front end of the main box left and right sides；Two faces of hangers 8 It is both provided with screwed hole.The effect of screwed hole is that main box is fixed with rack by screw thread.

In real work, the core docking pcb board 2 of KVM signal extenders is provided with the high speed signal of fpga chip Source disposal ability and programmable characteristic, distribute resource special signal acquisition chip.By will externally say that the signal of access enters Row primitive character is gathered, then signal transmission chip fast allocable resource is transmitted.In collection target device and transmission signal During do not lose the integrality of primary signal completely.

Under working condition, main box 1 is fixed in the rack of computer room and is operated by KVM signals extender by hangers 8, AC ends input port 7 inputs 220V alternating voltages.Signal receiving end module is to select its institute according to the mouse of equipment, the model of keyboard The interface to be connected.When the interface of mouse, keyboard when apparatus for transmitting signal is PS/2 interfaces, PS/2 mouse interfaces are used in selection 501 connect PS/2 mouses；PS/2 keyboard interfaces 502 connect PS/2 keyboards.When mouse, keyboard interface are USB interface, USB mouse are selected Tag splice mouthful 507 connects the mouse of USB2.0 interfaces.USB keyboard interface 508 connects the keyboard of USB2.0 interfaces.While display interface device 503 accesses possess DVI-D mouthfuls of display, and optical fiber interface 504 is used for incoming fiber optic wire jumper, and speaker interface 506 is used to access Loudspeaker.When required, spare interface 505 is used.

After the signal for sending equipment is received, core docking pcb board 2 is handled.Core docking pcb board 2 can guarantee that letter Number integrality, while by signal extension be sent to signal receiver.Signal receiver is connected by output interface 601 and led Machine video card；The telecommunication optical fiber of long range is connected by optical fiber interface 604；Local audio is connected by COBBAIF 605；Pass through sound Frequency input interface 606 connects the port of host audio output end；It is used for connecting the USB port of main frame by HPI 607.Letter Number receiving device passes through the access host PS/2 of PS/2 keyboard interfaces 603 by the access host PS/2 mouses of PS/2 mouse interfaces 602 Keyboard.

After KVM signals extender receives Computer signal collection, in the case where not losing signal integrity, pass through light Fibre carries out signal extension, from reaching long-distance transmissions and control targe computer or image first-class signal.

Claims

1. a kind of KVM signals extender, it mainly includes：Main box, hot-swappable power supply, LED Unit, signal receiving end module, Signal sending end module, AC ends input port, hangers；Docked characterized in that, described KVM signals extender also includes core Pcb board.

2. KVM signals extender according to claim 1, it is characterised in that described core docking pcb board is one piece Fpga chip plate, employs complete signal and gathers uncompressed transmission technology.

3. KVM signals extender according to claim 1, it is characterised in that described main box is the length of hollow-core construction Four module carriers are provided with cube, main box；The company's of being provided with oblong openings and eight on the preceding surface of main box Circular hole, the side of left and right two is provided with the aperture of dense arrangement, and top face is demountable cover plate.

4. KVM signals extender according to claim 1, it is characterised in that described hot-swappable power supply is two, preceding table Screwed hole is provided with face；Module carrier constraint in preceding surface oblong openings and main box that position passes through main box, Its front end is fixed on the preceding surface of main box by screw thread.

5. KVM signals extender according to claim 4, it is characterised in that described LED Unit is two, is arranged on The preceding surface of main box；Video indicator lamp, optical fiber indicator, power supply indicator, display are respectively arranged with its LED Unit Indicator lamp.

6. KVM signals extender according to claim 1, it is characterised in that described signal receiving end module is located at master After the right-hand member on surface after casing, signal receiving end module signal receiving interface is provided with surface；

The signal receiving port is followed successively by from left to right：PS/2 mouse interfaces, PS/2 keyboard interfaces, display interface device, optical fiber connect Mouth, reserved port, speaker interface, USB mouse interface, USB keyboard interface.

7. KVM signals extender according to claim 1, it is characterised in that described signal sending end module is located at letter Number receive on the left of end module, surface is provided with signal transmission interface after signal sending end module；

The signal transmission interface is followed successively by from left to right：Output interface, PS/2 mouse interfaces, PS/2 keyboard interfaces, optical fiber connect Mouth, COBBAIF, audio input interface, main frame access port.

8. KVM signals extender according to claim 1, it is characterised in that described AC ends input port is arranged on main tank The left side of the rear surface signal initiator block of body, the number of AC ends input port is two.

9. KVM signals extender according to claim 1, it is characterised in that described hangers is L shapes, its number is two It is individual, it is symmetricly set on the front end of the main box left and right sides；Two faces of hangers are both provided with screwed hole.