CN112328101A - KVM multi-system joint control method and device based on OSD - Google Patents
KVM multi-system joint control method and device based on OSD Download PDFInfo
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- CN112328101A CN112328101A CN202011073054.2A CN202011073054A CN112328101A CN 112328101 A CN112328101 A CN 112328101A CN 202011073054 A CN202011073054 A CN 202011073054A CN 112328101 A CN112328101 A CN 112328101A
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000001514 detection method Methods 0.000 claims description 9
- 239000011159 matrix material Substances 0.000 claims description 3
- 210000001503 joint Anatomy 0.000 claims description 2
- 238000011161 development Methods 0.000 description 5
- 230000018109 developmental process Effects 0.000 description 5
- 238000002955 isolation Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
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- 238000013459 approach Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03543—Mice or pucks
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
- G06F13/38—Information transfer, e.g. on bus
- G06F13/40—Bus structure
- G06F13/4063—Device-to-bus coupling
- G06F13/4068—Electrical coupling
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/14—Digital output to display device ; Cooperation and interconnection of the display device with other functional units
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
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Abstract
The invention discloses a KVM multi-system joint control method and device based on OSD. The device comprises a cooperative mouse key access module, a cooperative mouse key output module, a mouse key shunt selection module, a multi-system control interface access module, a multi-system control interface combination module and a multi-system OSD control interface output module. The KVM system is suitable for the KVM system based on OSD control, realizes the function of controlling any other system through the same set of KVM OSD system by adding the collaborative mouse access module and the multi-system control interface combination module outside the original KVM system, and has the advantages of not changing the smooth upgrade of the original KVM system, quickly switching a set of mouse keys in a multi-service system, isolating the network of each system and the like.
Description
Technical Field
The invention relates to the technical field of KVM (keyboard video mouse) seat control, in particular to a KVM multi-system joint control method and device based on OSD (on screen display).
Background
In a KVM (keyboard Video mouse) seat use environment, there are often a plurality of sets of third party systems to be controlled in addition to a service system to which a KVM is connected, and a mode of configuring a plurality of sets of operating computers on a seat or a customized development of corresponding KVM devices is currently adopted to integrate a required control function. This approach has several drawbacks:
a) the development period is long, and the development is needed one by one according to actual needs, so that the cost is increased, and the lead period is delayed;
b) an operator needs to frequently switch among multiple systems and multiple sets of mouse and keyboard, the switching speed is low, and errors are easy to occur.
Disclosure of Invention
In order to overcome the defects of the prior art, the present invention aims to provide a KVM multi-system joint control method and apparatus based on OSD (on-screen display). The method is suitable for occasions where a set of mouse and keyboard is rapidly switched among a plurality of systems comprising KVM, detects mouse key input in real time, switches the mouse key to a corresponding system according to a detected preset keyboard shortcut key or mouse gesture or OSD menu option, and simultaneously controls the video combining module to switch a system interface to be controlled to the uppermost layer so as to be convenient for control. The invention has the advantages of smooth upgrade without changing the original KVM system, quick switching of a set of mouse keys in a multi-service system, network isolation of each system and the like.
The technical scheme of the invention is specifically introduced as follows.
The invention provides a KVM multi-system joint control device based on OSD, which comprises a cooperative mouse key access module
The system comprises a module, a cooperative mouse key output module, a mouse key shunt selection module, a multi-system control interface access module, a multi-system control interface combination module and a multi-system OSD control interface output module; wherein:
cooperating with the mouse key to access the module, converting the interface signal of the mouse and the keyboard into a subsequent recognizable digital signal, and sending the digital signal to the mouse key shunt selection module;
the mouse key shunt selection module is used for detecting mouse key information, detecting shortcut keys or mouse gestures according to mouse key signals sent by the cooperative mouse key access module, and sending a video combiner plan switching instruction to the multi-system control interface combination module according to a detection result;
the cooperative mouse key output module is used for being butted with an external control system, simulating standard mouse keyboard equipment, converting a digital signal with mouse key information sent by the mouse key shunt selection module into a standard mouse key signal and sending the standard mouse key signal to the external control system;
the multi-system control interface access module is used for accessing a third-party system control interface video signal and sending the third-party system control interface video signal to the multi-system control interface combination module;
the multi-system control interface combination module switches OSD (on screen display) of the KVM system and other control interface video combination plans according to a video combination plan switching instruction sent by the mouse key shunt selection module so as to meet the current control requirement; sending the combined video signal to a multi-system OSD control interface output module;
and the multi-system OSD control interface output module converts the combined video signal sent by the multi-system control interface combination module into a standard video interface signal and sends the standard video interface signal to display equipment for displaying.
In the invention, the KVM multi-system is selected from one or more of distributed KVM, integrated KVM or matrix KVM
The KVM multi-system is selected from one or more of distributed KVM, integrated KVM or matrix KVM, and the KVM multi-system support form comprises a PC and an embedded device.
In the present invention, the original KVM system at least comprises a mouse input interface and a video output interface.
In the invention, the mouse key interface supported by the cooperative mouse key access module and the cooperative mouse key output module comprises USB and PS/2.
In the invention, the external control system comprises equipment such as a mouse, a keyboard, a touch screen, a drawing board and the like.
In the invention, a method for switching among multiple systems adopted by the multi-system control interface combination module comprises the switching of keyboard shortcut keys, mouse gestures and OSD menus.
In the invention, the multi-channel video combining mode adopted by the multi-system control interface combination module comprises time-sharing switching and splicing
And picture-in-picture.
In the invention, the multi-channel video combiner realization mode supported by the multi-system control interface combination module comprises a back plate exchange module,
Network distributed and single chip.
In the invention, the video interface supported by the multi-system control interface access module and the multi-system OSD control interface output module
Ports include HDMI, DVI, and VGA.
The invention also provides a method of the KVM multi-system joint control device based on the OSD, which comprises the following working procedures:
the cooperative mouse key access module converts the mouse keyboard interface signal into a subsequent recognizable digital signal and sends the digital signal to the mouse key shunt selection module;
the mouse key shunt selection module detects mouse key information, performs shortcut key or mouse gesture detection according to a mouse key signal sent by the cooperative mouse key access module, and sends a video combiner plan switching instruction to the multi-system control interface combination module according to a detection result;
the cooperative mouse key output module is used for being in butt joint with an external control system, simulating standard mouse keyboard equipment, converting a digital signal with mouse key information sent by the mouse key shunt selection module into a standard mouse key signal and sending the standard mouse key signal to the external control system; the external control system refers to a mouse, a keyboard, a touch screen, a drawing board and the like.
The multi-system control interface access module accesses a third-party system control interface video signal and sends the third-party system control interface video signal to the multi-system control interface combination module;
the multisystem control interface combination module switches the OSD of the KVM system and other control interface video combination plans according to a video combination plan switching instruction sent by the mouse key shunt selection module so as to meet the current control requirement; sending the combined video signal to a multi-system OSD control interface output module;
and the multi-system OSD control interface output module converts the combined video signal sent by the multi-system control interface combination module into a standard video interface signal and sends the standard video interface signal to display equipment for displaying.
Compared with the prior art, the invention has the beneficial effects that:
the method is suitable for occasions where a set of mouse and keyboard is rapidly switched among a plurality of systems comprising KVM, mouse key input is detected in real time, the mouse key is switched to a corresponding system according to a detected preset keyboard shortcut key or mouse gesture or OSD menu option, and meanwhile, the video combining module is controlled to switch a system interface to be controlled to the uppermost layer so as to be convenient for control.
The invention realizes smooth upgrade without changing the original KVM system, improves the system development efficiency, shortens the period and reduces the development cost. The method has the advantages that a set of mouse keys can be rapidly switched in a multi-service system, each system network is isolated, the information safety is guaranteed, and the like.
The invention innovatively realizes the integration of a plurality of system control interfaces by using the multi-system control interface combination module, thereby controlling a plurality of systems by adopting one set of mouse and keyboard. The operation convenience and the development efficiency of the original system function upgrading are improved.
Drawings
Fig. 1 is a block diagram of a KVM multi-system joint control method and apparatus based on OSD in an embodiment.
Reference numbers in the figures: 1-original KVM system, 21-cooperative mouse key access module, 22-cooperative mouse key output module, 23-mouse key shunt selection module, 24-multisystem control interface access module, 25-multisystem control interface combination module and 26-multisystem OSD control interface output 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 KVM multi-system joint control method and apparatus based on OSD in an embodiment, including a cooperative mouse key access module 21, a cooperative mouse key output module 22, a mouse key shunt selection module 23, a multi-system control interface access module 24, a multi-system control interface combination module 25, and a multi-system OSD control interface output module 26.
The mouse key supported by the collaborative mouse key access module 21 includes but is not limited to USB, PS/2, etc., the collaborative mouse key access module 21 is connected with the mouse keyboard of the original KVM system and the mouse key shunt selection module 23, the collaborative mouse key output module 22 functions to simulate keyboard and mouse devices, the supported mouse key interface includes but is not limited to USB, PS/2, etc., the collaborative mouse key output module 22 is connected with the USB interface of the third party system and the mouse key shunt selection module 23, the mouse key shunt selection module 23 is connected with the collaborative mouse key access module 21, the collaborative mouse key output module 22, the multi-system control interface combination module 25 and the original KVM system 1, the original KVM system 1 at least includes a mouse key input interface, a video output interface, etc., the multi-system control interface access module 24 is connected with the output port of the third party system control interface and the multi-system control interface combination module 25, the multi-system control interface combination module 25 is connected with the original KVM system 1, the mouse key shunt selection module 23, the multi-system control interface access module 24 and the multi-system OSD control interface output module 26, and the multi-system OSD control interface output module 26 is connected with the display unit and the multi-system control interface combination module 25. The video interfaces supported by the multi-system OSD control interface output module 26 include, but are not limited to, HDMI, DVI, VGA, etc.
The structure and function of the components of the device in the embodiments are as follows:
a) cooperating with the mouse key to enter the module 21, convert PS/2, USB interface signal of the mouse keyboard into subsequent recognizable digital signal, send to the mouse key and shunt the selection module 23, in order to facilitate the subsequent processing;
b) the cooperative mouse key output module 22 is used for being butted with an external control system, simulating standard mouse keyboard equipment, converting a digital signal with mouse key information sent by the mouse key shunt selection module 23 into a standard mouse key signal and sending the standard mouse key signal to the external control system; the external control system refers to a mouse, a keyboard, a touch screen, a drawing board and the like.
c) The mouse key shunt selection module 23 detects mouse key information, performs shortcut key or mouse gesture detection according to a mouse key signal sent by the cooperative mouse key access module 21, and sends a video combiner plan switching instruction to the multi-system control interface combination module 25 according to a detection result;
d) the multi-system control interface access module 24 is used for accessing a third-party system control interface video signal and sending the video signal to the multi-system control interface combination module 25; the video interfaces supported by the multi-system control interface access module 24 include, but are not limited to, HDMI, DVI, VGA, etc.;
e) the multisystem control interface combination module 25 switches the OSD of the KVM system and other control interface video combination plans according to the video combination plan switching instruction sent by the mouse key shunt selection module 23 to meet the current control requirement; and sends the combined video signal to the multi-system OSD control interface output module 26; methods for switching between multiple systems include, but are not limited to, keyboard shortcuts, mouse gestures, OSD menu switching, and the like; the adopted multi-channel video combining mode includes but is not limited to time-sharing switching, splicing, picture-in-picture and the like; the supported multi-channel video combining implementation modes include but are not limited to backplane exchange, network distribution, single chip and the like;
f) and the multi-system OSD control interface output module 26 converts the combined video signal sent by the multi-system control interface combination module 25 into standard video interface signals such as HDMI, DVI, VGA and the like, and sends the standard video interface signals to the display equipment for displaying.
In the embodiment, the mouse key input is detected in real time, and the keyboard shortcut key or the mouse hand is preset according to the detection
And the gesture or OSD menu option switches the mouse key to the corresponding system, and simultaneously controls the video combining module to switch the system interface to be controlled to the uppermost layer so as to facilitate control. The invention has the advantages of smooth upgrade of the original KVM system 1, quick switching of a set of mouse keys in a multi-service system, network isolation of each system and the like.
In the invention, the smooth upgrade of the original equipment is realized by adding the corresponding functional module outside the original KVM system. The mouse key input is detected in real time, the mouse key is switched to a corresponding system according to the detected preset keyboard shortcut key or mouse gesture or OSD menu option, and meanwhile, the video combining module is controlled to switch a system interface to be controlled to the uppermost layer so as to facilitate control. The invention has the advantages of smooth upgrade without changing the original KVM system, quick switching of a set of mouse keys in a multi-service system, network isolation of each system and the like.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present invention without departing from the spirit or scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (10)
1. The utility model provides a KVM multisystem joint control's device based on OSD which characterized in that: which comprises a cooperating mouse bond insert die
The system comprises a module, a cooperative mouse key output module, a mouse key shunt selection module, a multi-system control interface access module, a multi-system control interface combination module and a multi-system OSD control interface output module; wherein:
cooperating with the mouse key to access the module, converting the interface signal of the mouse and the keyboard into a subsequent recognizable digital signal, and sending the digital signal to the mouse key shunt selection module;
the mouse key shunt selection module is used for detecting mouse key information, detecting shortcut keys or mouse gestures according to mouse key signals sent by the cooperative mouse key access module, and sending a video combiner plan switching instruction to the multi-system control interface combination module according to a detection result;
the cooperative mouse key output module is used for being butted with an external control system, simulating standard mouse keyboard equipment, converting a digital signal with mouse key information sent by the mouse key shunt selection module into a standard mouse key signal and sending the standard mouse key signal to the external control system;
the multi-system control interface access module is used for accessing a third-party system control interface video signal and sending the third-party system control interface video signal to the multi-system control interface combination module;
the multi-system control interface combination module switches OSD (on screen display) of the KVM system and other control interface video combination plans according to a video combination plan switching instruction sent by the mouse key shunt selection module so as to meet the current control requirement; sending the combined video signal to a multi-system OSD control interface output module;
and the multi-system OSD control interface output module converts the combined video signal sent by the multi-system control interface combination module into a standard video interface signal and sends the standard video interface signal to display equipment for displaying.
2. The OSD-based KVM multisystem joint control device of claim 1, wherein the KVM
The multisystem is selected from one or more of distributed KVM, integrated KVM or matrix KVM, and the KVM multisystem support form comprises a PC and an embedded device.
3. The OSD-based KVM multisystem joint control device of claim 1, wherein the KVM
The seat module at least comprises a mouse key input interface and a video output interface.
4. The OSD based KVM multi-system unified control apparatus of claim 1, wherein the coordination is
The mouse key interface supported by the mouse key access module and the cooperative mouse key output module comprises USB and PS/2.
5. The OSD based KVM multi-system unified control apparatus of claim 1, wherein the external device is an external device
The control system comprises a mouse, a keyboard, a touch screen and a drawing board.
6. The OSD based KVM multi-system unified control apparatus of claim 1, wherein multiple systems
The method for switching among the multiple systems adopted by the system control interface combination module comprises keyboard shortcut keys, mouse gestures and OSD menu switching.
7. The OSD based KVM multi-system unified control apparatus of claim 1, wherein multiple systems
The multi-channel video combining mode adopted by the system control interface combination module comprises time-sharing switching, splicing and picture-in-picture.
8. The OSD based KVM multi-system unified control apparatus of claim 1, wherein multiple systems
The multi-channel video combining implementation mode supported by the system control interface combination module comprises backplane exchange, network distribution and a single chip.
9. The OSD based KVM multi-system unified control apparatus of claim 1, wherein multiple systems
The video interfaces supported by the system control interface access module and the multi-system OSD control interface output module comprise HDMI, DVI and VGA.
10. A method based on the OSD based KVM multi-system joint control apparatus according to claim 1, wherein the workflow is as follows:
the cooperative mouse key access module converts the mouse keyboard interface signal into a subsequent recognizable digital signal and sends the digital signal to the mouse key shunt selection module;
the mouse key shunt selection module detects mouse key information, performs shortcut key or mouse gesture detection according to a mouse key signal sent by the cooperative mouse key access module, and sends a video combiner plan switching instruction to the multi-system control interface combination module according to a detection result;
the cooperative mouse key output module is used for being in butt joint with an external control system, simulating standard mouse keyboard equipment, converting a digital signal with mouse key information sent by the mouse key shunt selection module into a standard mouse key signal and sending the standard mouse key signal to the external control system;
the multi-system control interface access module accesses a third-party system control interface video signal and sends the third-party system control interface video signal to the multi-system control interface combination module;
the multisystem control interface combination module switches the OSD of the KVM system and other control interface video combination plans according to a video combination plan switching instruction sent by the mouse key shunt selection module so as to meet the current control requirement; sending the combined video signal to a multi-system OSD control interface output module;
and the multi-system OSD control interface output module converts the combined video signal sent by the multi-system control interface combination module into a standard video interface signal and sends the standard video interface signal to display equipment for displaying.
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| CN113014867A (en) * | 2021-02-08 | 2021-06-22 | 上海核工程研究设计院有限公司 | Method for configuring pixel-level video |
| CN115242574A (en) * | 2022-07-19 | 2022-10-25 | 上海晨驭信息科技有限公司 | Distributed KVM node device capable of automatically switching cascade and direct connection modes |
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