CN217655523U - Seat and host integrated distributed KVM device - Google Patents
Seat and host integrated distributed KVM device Download PDFInfo
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- CN217655523U CN217655523U CN202221868876.4U CN202221868876U CN217655523U CN 217655523 U CN217655523 U CN 217655523U CN 202221868876 U CN202221868876 U CN 202221868876U CN 217655523 U CN217655523 U CN 217655523U
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Abstract
The utility model discloses a distributing type KVM device of seat, host computer integration. The mouse key video coding and decoding device comprises a video input interface module, a video coding module, a network data exchange module, a network interface module, a video decoding module, a video splicing module, a video output interface module, a mouse key access module, a mouse key instruction analysis module, a mouse key data coding module, a mouse key data decoding module and a host USB interface module. The utility model supports a device as a KVM seat end to control a remote host through a mouse and a keyboard, and simultaneously as a KVM host end to access a local host to receive the control of the remote seat; the utility model discloses a swift operation of mouse key can switch the video of local host computer to local display, also can send local host computer with mouse key data, realizes the fast switch-over control between local, distal end host computer. The utility model has the advantages of the two-way bandwidth of high-efficient utilization network, save network cost, high-efficient utilization seat space, operating efficiency height.
Description
Technical Field
The utility model relates to a distributed KVM device technical field, in particular to distributing type KVM device of seat, host computer integration.
Background
KVM stands for Keyboard (Keyboard), display (Video) and Mouse (Mouse), i.e. a group of Keyboard, display or Mouse is used to control multiple devices, playing an important role in remote scheduling and monitoring.
In a distributed KVM system developed in recent years, a network is used to transmit video, audio, mouse and USB data, so as to implement control of a remote host. A typical distributed KVM node has a host side and a seat side, and this approach has several disadvantages:
a) The input nodes can only utilize the bandwidth of the incoming switch, the output nodes can only utilize the bandwidth of the outgoing switch, the bandwidth utilization rate is not high, and when the number of nodes is large, the cost of the switch is high;
b) The method comprises the following steps of occupying space, wherein if a local host exists on one seat, an encoding device, a decoding device and a switcher are needed;
c) The efficiency of the operation is low, and the operation efficiency is low, the experience is not good; if a local host is arranged on one seat, a mouse key and a display need to be additionally arranged, and an operator needs to continuously switch between the mouse key and the display.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a distributed KVM device integrating a seat and a host. The utility model discloses have the high efficiency and utilize the two-way bandwidth of network, save the network cost, the high efficiency utilizes the seat space, improves advantages such as operator experience and operating efficiency. And the adopted protocol and the switching equipment are standard Ethernet protocols, so that the development cost and the raw material model selection cost are reduced. The technical scheme of the utility model specifically introduces as follows.
The utility model provides a distributed KVM device of seat, host computer integration, it includes video input interface mould
The device comprises a block, a video coding module, a network data exchange module, a network interface module, a video decoding module, a video splicing module, a video output interface module, a mouse key access module, a mouse key instruction analysis module, a mouse key data coding module, a mouse key data decoding module and a host USB interface module; the network data exchange module is connected with the network interface module a network switch connection; wherein:
the input end of the video input interface module is connected with a video signal source, the output end of the video input interface module is connected with the input end of the video coding module, the output end of the video coding module is connected with the input end of the video decoding module through a network data exchange module, the output end of the video decoding module is connected with the input end of the video splicing module, and the output end of the video splicing module is connected with the video output interface module;
the input end of the mouse key access module is connected with a mouse and a keyboard, the output end of the mouse key access module is connected with the input end of the mouse key instruction analysis module, the output end of the mouse key instruction analysis module is divided into two paths, one path of the output end of the mouse key instruction analysis module is connected with the input end of the video splicing module, the other path of the output end of the mouse key instruction analysis module is connected with the input end of the mouse key data coding module, the output end of the mouse key data coding module is connected with the input end of the mouse key data decoding module through network data exchange equipment, and the output end of the mouse key data decoding module is connected with the USB interface module of the host.
The utility model discloses in, contain at least one video coding module and at least one video decoding module.
The utility model discloses in, the video coding format that the video coding module supported contains H.264, H.265, JPEG, PEG2000, VC2 and MJPEG.
The utility model discloses in, the connection medium of network interface module and network switch is net twine or optic fibre.
The utility model discloses in, the network switch that network interface module connects is the ethernet switch.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model provides a seat and host integrated distributed KVM device which is suitable for occasions needing remote host control; the system supports a piece of equipment as a KVM seat end to control a remote host through a mouse and a keyboard, and simultaneously as the KVM host end to access a local host to receive the control of the remote seat; meanwhile, through the rapid operation of the mouse key, the video of the local host can be switched to the local display, and the mouse key data can also be sent to the local host, so that the rapid switching control between the local host and the remote host is realized. The utility model has the advantages of the two-way bandwidth of high-efficient utilization network, save the network cost, high-efficient the utilization seat space, improve operator experience and operating efficiency. And the adopted protocol and the switching equipment are standard Ethernet protocols, so that the development cost and the raw material model selection cost are reduced.
Drawings
Fig. 1 is a block diagram illustrating a configuration of a distributed KVM apparatus integrated with an agent and a host in embodiment 1.
Fig. 2 is an application block diagram of a distributed KVM apparatus integrated with an agent and a host in embodiment 1.
Reference numbers in the figures: the system comprises a 1-video input interface module, a 2-video coding module, a 3-network data exchange module, a 4-network interface module, a 5-video decoding module, a 6-video splicing module, a 7-video output interface module, an 8-mouse key access module, a 9-mouse key instruction analysis module, a 10-mouse key data coding module, an 11-mouse key data decoding module and a 12-host USB interface module.
Detailed Description
The technical solution of the present invention will be described in detail with reference to the accompanying drawings and embodiments.
Example 1
Fig. 1 is a block diagram of a distributed KVM apparatus integrated with an agent and a host in embodiment 1;
the seat in example 1 an application block diagram of a host-integrated distributed KVM device.
In the embodiment, the agent and host integrated distributed KVM device includes a video input interface module 1, a video encoding module 2, a network data exchange module 3, a network interface module 4, a video decoding module 5, a video splicing module 6, a video output interface module 7, a mouse key access module 8, a mouse key instruction parsing module 9, a mouse key data encoding module 10, a mouse key data decoding module 11, and a host USB interface module 12.
The video input interface module 1 is connected with a video signal source and the video coding module 2; the video coding module 2 is connected with the video input interface module 1 and the network data exchange module 3; the network data exchange module 3 is connected with the video coding module 2, the video decoding module 5, the network interface module 4, the mouse key data coding module 10 and the mouse key data decoding module 11; the network interface module 4 is connected with the network data exchange module 3 and the network switch; the video decoding module 5 is connected with the video splicing module 6 and the network data exchange module 3; the video splicing module 6 is connected with the video decoding module 5, the video output interface module 7 and the mouse key instruction analysis module 9; the video output interface module 7 is connected with the video splicing module 6;
the mouse key is connected with the mouse, the keyboard and the mouse key instruction analysis module 9; the mouse key instruction analysis module 9 is connected with the mouse key access module 8, the mouse key data coding module 10 and the video splicing module 6; the mouse key data coding module 10 is connected with the mouse key instruction analysis module 9 and the network data exchange module 3; the mouse key data decoding module 11 is connected with the host USB interface module 12 and the network data exchange module 3; the host USB interface module 12 is connected with the USB port of the local host and the mouse key data decoding module 11.
The structure and function of the components of the device in the embodiments are as follows:
the video input interface module 1 is used for receiving a video signal sent by a video source; SIL9013 HDMI decoding chip available from Silicon Image corporation may be used.
The video coding module 2 is used for coding the video signal into a network data packet; the video encoding formats supported by video encoding module 5 include: h.264\ H.265\ JPEG \ JPEG2000\ VC2\ MJPEG and the like; the module can select HI3536 chip of Haesi semiconductor to realize video stream media coding; the destination address of the network data packet is generated according to the following rules:
i) When the current is switched to the local host, the destination address is the network address of the node;
ii) when currently switched to the remote host, the destination address is the network address of the KVM device to which the remote host is connected.
The network data exchange module 3 is used for exchanging and sending the network messages of each module according to the requirement; the network data exchange module 3 exchanges according to the standard Ethernet exchanger two-layer or three-layer exchanger rule; the module can realize the regular forwarding of the network message by a 56504 Ethernet switching chip of Broadcom company.
The network interface module 4 is used for receiving and transmitting network data; the code stream and the decoding code stream of the code share the same network wire or optical fiber; the module can adopt RTL8211E of Realtek Ruyi corporation to realize the transceiving of network packets.
The video decoding module 5 is used for decoding the video network code stream and then sending the decoded video network code stream to the video splicing module 6; the module can select HI3536 chip of Haesi semiconductor to realize the decoding of video streaming media.
The video splicing module 6 splices the signals decoded by the video decoding module 5 according to the splicing instruction; video splicing die
Modes supported by block 6 include single screen, 4 split screen, picture-in-picture, etc.; the module may use AL362B of Averlogic, a technology of rabbity to implement a stitched combination of multiple video pictures.
The video output interface module 7 is used for sending the spliced video signals to local display equipment; the module can select the core
The HDMI transmission chip TX CV8788 is realized by video and audio technology.
The mouse key is connected into the module 8 and used for receiving the HID signal of the mouse key; the module can adopt an AX68002 2 port USB KVM multi-computer switcher single chip of the Yaxin electronics to convert mouse key signals into UART interfaces for transmission.
A mouse key instruction analysis module 9 for analyzing the finger for switching the local host, the remote host and the display mode in the mouse key
The command is transmitted and converted into a control command of the video splicing module, and meanwhile, a non-command mouse key HID signal is transmitted to the mouse key data coding module 10; the acquisition mode of the command of the mouse key command analysis module 9 comprises a mouse key special combination and OSD visual operation; the module can adopt an AX68002 2 port USB KVM multi-computer switcher single chip of sub-signal electronics to realize the analysis of the signaling.
The mouse key data coding module 10 codes the mouse key HID signal into a network data packet according to the requirement and sends the network data packet to the network data exchange module 3; the module can select a W7500 single-chip network unloading processor of WIZNET company to realize the interconversion between the serial port and the network packet. The destination address of the network data packet is generated according to the following rules:
i) When the current is switched to the local host, the destination address is the network address of the node;
ii) the destination address is the network address of the KVM device connected to the remote host when the remote host is currently handed over to.
The mouse key data decoding module 11 is used for receiving the mouse key network data message from the mouse key instruction analyzing module 10, analyzing a mouse key HID signal and sending the mouse key HID signal to the host USB interface module 1; the module can adopt a network unloading processor of an AX68002 2 port USB KVM multi-computer switcher single chip of the WeChat electronics and a W7500 single chip of the WIZNET company to realize the mutual conversion between the mouse key USB port and the network packet.
The host USB interface module 12 is used for sending the mouse key HID signal from the mouse key data decoding module 11 to the USB interface of the local host; the module can be realized by a universal USB connector.
In the above, the utility model provides a seat and host integrated distributed KVM device, which supports a device to be simultaneously used as a KVM seat end to control a remote host through a mouse and a keyboard, and simultaneously used as a KVM host to access a local host to receive the control of the remote seat; meanwhile, through the rapid operation of the mouse key, the video of the local host can be switched to the local display, and the mouse key data can also be sent to the local host, so that the rapid switching control between the local host and the remote host is realized.
The utility model has the advantages of the two-way bandwidth of high-efficient utilization network, save the network cost, high-efficient the utilization seat space, improve operator experience and operating efficiency. And the adopted protocol and the switching equipment are standard Ethernet protocols, so that the development cost and the raw material model selection cost are reduced.
It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (5)
1. A distributed KVM device integrating a seat and a host is characterized by comprising a video input interface module (1),
The system comprises a video coding module (2), a network data exchange module (3), a network interface module (4), a video decoding module (5), a video splicing module (6), a video output interface module (7), a mouse key access module (8), a mouse key instruction analysis module (9), a mouse key data coding module (10), a mouse key data decoding module (11) and a host USB interface module (12); the network data exchange module (3) is connected with the network interface module (4) and the network switch in sequence; wherein:
the input end of the video input interface module (1) is connected with a video signal source, the output end of the video input interface module is connected with the input end of the video coding module (2), the output end of the video coding module (2) is connected with the input end of the video decoding module (5) through the network data exchange module (3), the output end of the video decoding module (5) is connected with the input end of the video splicing module (6), and the output end of the video splicing module (6) is connected with the video output interface module (7);
the input and the mouse of module (8) are connected to the mouse key, the keyboard links to each other, the output is connected with the input of mouse key instruction analysis module (9), the output of mouse key instruction analysis module (9) divide into two the tunnel, wherein the input of one the tunnel and video concatenation module (6) links to each other, the input of the other tunnel and mouse key data coding module (10) links to each other, the output of mouse key data coding module (10) passes through network data exchange module (3) and the input of mouse key data decoding module (11) links to each other, the output and the host computer USB interface module (12) of mouse key data decoding module (11) link to each other.
2. Agent, mainframe integrated distributed KVM appliance according to claim 1, characterized by comprising at least one video coding module (2), and at least one video decoding module (5).
3. The agent, host integrated distributed KVM appliance according to claim 1, wherein the video coding formats supported by the video coding module (2) comprise h.264, h.265, JPEG, PEG2000, VC2 and MJPEG.
4. The agent, host integrated distributed KVM appliance according to claim 1, wherein the connection medium of the network interface module (4) and the network switch is a network cable or an optical fiber.
5. The agent, host integrated distributed KVM appliance according to claim 1, wherein the network switch to which the network interface module (4) is connected is an ethernet switch.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221868876.4U CN217655523U (en) | 2022-07-19 | 2022-07-19 | Seat and host integrated distributed KVM device |
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| CN202221868876.4U CN217655523U (en) | 2022-07-19 | 2022-07-19 | Seat and host integrated distributed KVM device |
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| CN217655523U true CN217655523U (en) | 2022-10-25 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115988246A (en) * | 2023-02-22 | 2023-04-18 | 北京小鸟科技股份有限公司 | Multi-mode USB2.0 seat remote transmission switching system |
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2022
- 2022-07-19 CN CN202221868876.4U patent/CN217655523U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115988246A (en) * | 2023-02-22 | 2023-04-18 | 北京小鸟科技股份有限公司 | Multi-mode USB2.0 seat remote transmission switching system |
| CN115988246B (en) * | 2023-02-22 | 2023-05-16 | 北京小鸟科技股份有限公司 | Multimode USB2.0 seat remote transmission switching system |
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