CN217113234U

CN217113234U - KVM multi-host switching system

Info

Publication number: CN217113234U
Application number: CN202220432368.5U
Authority: CN
Inventors: 林檎
Original assignee: Shenzhen Beinghd Electronics Co ltd
Current assignee: Shenzhen Beinghd Electronics Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-02
Anticipated expiration: 2032-02-28

Abstract

The utility model discloses a many host computers of KVM switched systems, follow KVM switch, giga switch, distributed controller including main KVM switch, a plurality of, wherein: the main KVM switch and the follow KVM switch are provided with the main control board respectively and are connected with the main control board first optic fibre input port, first optic fibre delivery outlet, the HDMI input port, the HDMI output port, first serial port interface, the USB interface, the microphone module, the POE module, the audio interface, POE module and first optic fibre input port are connected, the giga switch is provided with the second optic fibre input port, the second optic fibre delivery outlet, distributed controller is provided with a plurality of second serial port interface, the third optic fibre delivery outlet. The utility model is used for the centralized management of realization system and network improves system administrator's work efficiency with providing its manageability, practices thrift the area of computer lab, reduces network engineering and server system's the total cost of ownership, avoids using the radiation that many displays produced, builds the computer lab of healthy environmental protection.

Description

KVM multi-host switching system

Technical Field

The utility model relates to a switch technical field especially relates to a many host computers switched systems of KVM.

Background

KVM, an abbreviation for Keyboard Video Mouse, allows a user to alternately switch and control multiple computer hosts through a set of Keyboard and Mouse displays connected to KVM for centralized control of multiple computers. Therefore, the KVM needs to parse keyboard and mouse data accessed by the user and retransmit the keyboard and mouse data to the host connected to the current channel.

The existing KVM system has less functions and cannot be widely applied to places such as command centers, conference rooms, mines, smart campuses, intelligent parks and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a KVM switch system that many host computers.

In order to realize the purpose, the following technical scheme is adopted:

a KVM multi-host switching system comprises a master KVM switcher, a plurality of slave KVM switchers, a gigabit switcher and a distributed controller, wherein:

main KVM switch with from the KVM switch be provided with the main control board respectively and respectively with first fiber input port, first fiber output mouth, HDMI input port, HDMI delivery outlet, first serial port interface, USB interface, microphone module, POE module, audio interface that the main control board is connected, POE module with first fiber input port connection, the gigabit switch is provided with second fiber input port, second fiber output mouth, distributed controller is provided with a plurality of second serial port interface, third fiber output mouth:

a plurality of from the KVM switch the HDMI input port, one or more in USB interface, the first serial port interface is connected with computer, server, video conferencing terminal, STB and camera, from the KVM switch first optic fibre delivery outlet with the second optic fibre input port of giga switch is connected, distributed controller passes through the second serial port interface is connected with projector, air conditioner, lighting system, and its third optic fibre delivery outlet with the second optic fibre input port of giga switch is connected, the giga switch is used for passing through second optic fibre delivery outlet and the transmission of first optic fibre input port with the video signal of follow KVM switch transmission, audio signal to one or more the main control board of main KVM switch, so that the main control board will the video signal with the audio signal is cut apart, After splicing processing, the signals are respectively output to display equipment and sound equipment through the HDMI output port and the audio interface, and the USB interface of the main KVM switcher is connected with a mouse and a keyboard;

the microphone module of the master KVM switch is configured to receive a voice command and transmit the voice command to the master control board, so that the master control board sends corresponding control information to the slave KVM switch according to the voice command.

Further, the master control board of the master KVM switch and the slave KVM switch are integrated with H.264/265 codec.

Furthermore, the gigabit switch is further provided with a wireless module, the gigabit switch is connected with the wireless terminal device through the wireless module, and the gigabit switch receives the control signal from the wireless terminal device and then transmits the control signal to the master KVM switch through the second optical fiber output port and the first optical fiber input port, so that the master KVM switch controls the slave KVM switch to work according to the control signal.

Furthermore, the master KVM switch and the slave KVM switch are respectively provided with an infrared transceiver module, and the infrared transceiver module is configured to send an infrared signal to the set-top box under the control of the slave main control board, so that the set-top box is turned on or turned off, or/and under the control of an infrared remote controller, the master KVM switch and the slave KVM switch are controlled to be turned on or turned off.

Adopt above-mentioned scheme, the beneficial effects of the utility model are that:

the centralized management of the system and the network is realized, the manageability of the system and the network is provided, the working efficiency of a system administrator is improved, the area of a machine room is saved, the total cost of ownership of network engineering and a server system is reduced, radiation generated by a plurality of displays is avoided, a healthy and environment-friendly machine room is built, and meanwhile, the system has an infrared wireless function, a voice control function and a wireless terminal device remote control function, so that the application range is very wide.

Drawings

Fig. 1 is a block diagram of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1, a KVM multi-host switching system is provided, which includes a master KVM switch 1, a plurality of slave KVM switches 2, a gigabit switch 3, and a distributed controller 4, wherein:

main KVM switch 1 and from KVM switch 2 are provided with main control board 111 respectively and the first fiber input port 11 of being connected with main control board 111 respectively, first fiber output port 12, HDMI input port 13, HDMI output port 14, first serial port interface 15, USB interface 16, microphone module 17, POE module 18, audio interface 19, POE module 18 is connected with first fiber input port 11, gigabit switch 3 is provided with second fiber input port 31, second fiber output port 32, distributed controller 4 is provided with a plurality of second serial port interface 41, third fiber output port 42:

one or more of the plurality of slave KVM switches 2 are connected to a computer, a server, a video conference terminal, a set-top box and a video camera via the HDMI input port 13, the USB interface 16 and the first serial port interface 15, the slave KVM switches 2 are connected to the first fiber output port 12 and the second fiber input port 31 of the gigabit switch 3 via the second serial port interface 41, the distributed controller 4 is connected to a projector, an air conditioner and a lighting system via the second serial port interface 41, and the third fiber output port 42 is connected to the second fiber input port 31 of the gigabit switch 3, the gigabit switch 3 is configured to transmit the video signals and the audio signals transmitted from the KVM switches 2 to one or more master control boards 111 of the master KVM switches 1 via the second fiber output port 32 and the first fiber input port 11, so that the master control boards 111 divide and split the video signals and the audio signals, and output the video signals to the display device 5 and the audio device 6 via the HDMI output port 14 and the audio interface 19, the USB interface 16 of the main KVM switch 1 is connected with the mouse and the keyboard;

the microphone module 17 of the master KVM switch 1 is configured to receive the voice command and transmit the voice command to the master board 111, so that the master board 111 sends corresponding control information to the slave KVM switch 2 according to the voice command.

The master board 111 of the master KVM switch 1 and the slave KVM switch 2 are integrated with H.264/265 codec.

The gigabit switch 3 further includes a wireless module 33, the gigabit switch 3 is connected to the wireless terminal device 7 through the wireless module 33, and the gigabit switch 3 receives the control signal from the wireless terminal device 7 and transmits the control signal to the master KVM switch 1 through the second fiber output port 32 and the first fiber input port 11, so that the master KVM switch 1 controls the slave KVM switch 2 to operate according to the control signal.

The master KVM switch 1 and the slave KVM switch 2 are respectively provided with an infrared transceiver module 110, and the infrared transceiver module 110 is configured to send an infrared signal to the set-top box under the control of the slave main control board 111, so as to enable the set-top box to be powered on or powered off, or/and control the master KVM switch 1 and the slave KVM switch 2 to be powered on or powered off under the control of the infrared remote controller.

The working principle is as follows: one or more master KVM switches 1 and one or more slave KVM switches 2 are disposed in a machine room, a mine, etc., the HDMI input port 13 and the first serial port interface 15 of the slave KVM switches 2 are connected to the video interface and the serial port of different computers, servers, cameras, set-top boxes, respectively, where the slave KVM switches 2 are used for transmitting video signals and audio signals, and simultaneously, the operation signals of the mouse and keyboard of the computers, servers are transmitted through the first serial port interface 15, then, the corresponding signals are transmitted to the gigabit switch 3 from the first fiber output port 12 of the KVM switches 2, the gigabit switch 3 transmits the signals to the first fiber input port 11 of the master KVM switch 1, the master KVM switch 1 processes the signals, divides, splices and displays the video signals on the display device 5, and transmits the corresponding audio signals to the audio device 6 for playing, the USB interface of the main KVM switch 1 is connected to the keyboard and the mouse, and the keyboard and the mouse can be switched to operate different hosts through switching on software or an infrared remote controller.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. A KVM switch system comprises a master KVM switch, a plurality of slave KVM switches, a gigabit switch, and a distributed controller, wherein:

the master KVM switch and the slave KVM switches are respectively provided with a master control board, a first optical fiber input port, a first optical fiber output port, an HDMI input port, an HDMI output port, a first serial port interface, a USB interface, a microphone module, a POE module and an audio interface, the first optical fiber input port, the first optical fiber output port, the HDMI input port, the HDMI output port, the first serial port interface, the USB interface, the microphone module, the POE module and the audio interface are respectively connected with the master control board, the gigabit switch is provided with a second optical fiber input port and a second optical fiber output port, and the distributed controller is provided with a plurality of second serial port interfaces and third optical fiber output ports;

2. The KVM multi-host switching system according to claim 1, wherein said master control board of said master KVM switch and said slave KVM switch is integrated with H.264/265 codec.

3. The KVM switch system of claim 1, wherein the gigabit switch further comprises a wireless module, the gigabit switch is connected to a wireless terminal device through the wireless module, and the gigabit switch receives the control signal from the wireless terminal device and transmits the control signal to the master KVM switch through the second fiber output port and the first fiber input port, so that the master KVM switch controls the slave KVM switch to operate according to the control signal.

4. The KVM switch system of claim 1, wherein said master KVM switch and said slave KVM switch are respectively provided with an infrared transceiver module, said infrared transceiver module is configured to send an infrared signal to a set top box under the control of said master control board, so as to turn on or off the set top box, or/and control said master KVM switch and said slave KVM switch to turn on or off under the control of an infrared remote controller.