CN102385421A - Structure for integrating KVM (K Virtual Machine) in displayer - Google Patents
Structure for integrating KVM (K Virtual Machine) in displayer Download PDFInfo
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- CN102385421A CN102385421A CN2011103184395A CN201110318439A CN102385421A CN 102385421 A CN102385421 A CN 102385421A CN 2011103184395 A CN2011103184395 A CN 2011103184395A CN 201110318439 A CN201110318439 A CN 201110318439A CN 102385421 A CN102385421 A CN 102385421A
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Abstract
The invention provides a structure for integrating a KVM (K Virtual Machine) in a displayer, comprising a display part and a KVM switching part, wherein the display part comprises an LCD (liquid crystal display), a VGAADC controller and a VGAMUX chip; the VGAADC controller provides a key port; the KVM switching part comprises a switching management microcontroller, namely an MCU (Microprogrammed Control Unit); the MCU is connected with a USBHUB by the connector; the MCU is connected with the VGAADC controller, and is connected with VGAMUX and USBMUX by switch control signals; the MCU provides a PS2 output port; and the USBHUB provides a USB (Universal Serial Bus) output connector. Compared with the prior art, the structure for integrating the KVM in the displayer is characterized by being small in volume, multifunctional, friendly in interface, simple to operate, extensible, and the like, thus being easy to be promote and use.
Description
Technical field
The present invention relates to the KVM application technology in a kind of computer management field, the structure of integrated KVM in specifically a kind of display.
Background technology
Along with the particularly development of server technology of computing machine, it is particularly important that the high-efficiency management of multicomputer seems, the KVM technology is arisen at the historic moment, and the KVM technology need not destination server and revises or software.Extensively adopt KVM equipment in calculator room equipment management and in the mobile unit management, but present method of application is to add display and keyboard and mouse is formed through independent KVM switch, not with the display combination; In fact so-called KVM all-in-one still is the combination of KVM equipment and standard indicator in the prior art in addition, and inreal realization is not integrated.These implementation methods can't effectively reduce cost, reduce volume, expanded function; On display interface, exist a plurality of operation interfaces to be not easy to drawbacks such as user's use.
Summary of the invention
Technical assignment of the present invention is to the deficiency in prior art, and the structure of integrated KVM in a kind of display that is easy to realize is provided.
Technical scheme of the present invention realizes by following mode, the structure of integrated KVM in this a kind of display, and its structure comprises display part and KVM switching part:
Said display part comprises LCD display, VGA ADC controller, VGA MUX chip; At least one road of display interior VGA input signal is connected to the ADC controller through VGA MUX chip; ADC controller output LVTTL signal is to LCD display, and said VGA ADC controller provides keystroke interface;
Said KVM switching part comprises handover management microcontroller MCU, and this MCU is connected to USB HUB through interface, and at least one road USB input signal outputs among the USB HUB through USB MUX; Said MCU is connected with VGA ADC controller, and this MCU also is connected to VGA MUX, USB MUX through switch-over control signal; MCU also provides the PS2 output interface; USB HUB provides USB output interface.
Between described VGA ADC controller and the MCU through carrying out two-way communication in serial ports.
Controller MCU also connects the PS2 keyboard/mouse through the PS2 output interface and realizes the conversion of PS2 agreement to usb protocol, and is delivered to the main frame that connects when prepass through USB HUB.
The source of the instruction that said MCU control is switched is: one, and the passage switching key triggers the serial ports transmission through VGA ADC; Two, MCU decodes to the key assignments of the PS2 keyboard that self connected, and determines the defined switching hot key of PS2 keyboard.
The OSD menu of said LCD display is divided into regular display function menu and KVM function menu is set.
The beneficial effect that the present invention is compared with prior art produced is:
The structure of integrated KVM is used in the integrated KVM function of display in a kind of display of the present invention; The composition of this structure is based on general-purpose chip;, tool also has the KVM function except that can realizing the function of universal display device; Actions menu and display OSD menu with KVM organically combines simultaneously, and supports independent button and QWERTY keyboard compound keys multiple modes of operation.Because inside has the MCU controller, therefore can further expand its function ratio in addition as increasing infrared remote control receiving function etc.Adopt that product of the present invention has that volume is little, multi-functional, friendly interface, easy to operate, characteristics such as can expand, thereby have good value for applications.
Description of drawings
Accompanying drawing 1 is the structured flowchart of a kind of embodiment of the present invention.
Mark in the accompanying drawing is represented respectively:
1, VGA ADC controller, 2, LCD display, 3, VGA MUX chip, 4, handover management microcontroller MCU, 5, USB HUB, 6, USB MUX.
Embodiment
Below in conjunction with accompanying drawing the structure of integrated KVM in a kind of display provided by the present invention is done following the detailed description.
Really integrated for realizing, reduce cost of products, reduce small product size, realize expanded function.Shown in accompanying drawing 1, the structure of integrated KVM in a kind of display is provided now, its structure comprises display part and KVM switching part:
Said display part comprises LCD display 2, VGA ADC controller 1, VGA MUX chip 3; Wherein the LCDs of the multiple resolution of LCD display 2 employings, VGA ADC controller 1 employing model are that GM5766 controller, VGA MUX chip 3 adopt the MAX4312 chips; At least one road of display interior VGA input signal is connected to the ADC controller through VGA MUX chip 3; ADC controller output LVTTL signal is to LCD display 2, and said VGA ADC controller 1 provides keystroke interface;
Said KVM switching part comprises handover management microcontroller MCU4, and this MCU4 is connected to USB HUB5 through interface, and at least one road USB input signal outputs among the USB HUB5 through USB MUX6; Said MCU4 is connected with VGA ADC controller 1, and this MCU4 also is connected to VGA MUX chip 3, USB MUX6 through switch-over control signal; MCU4 also provides the PS2 output interface; USB HUB5 provides USB output interface; The model that above-mentioned USB MUX6 adopts is MAX4999, and the model that USB HUB5 adopts is GL850A, and the model that MCU4 adopts is 8051 controllers.
Through carrying out two-way communication in serial ports, but its connected mode is not limited to serial ports between described VGA ADC controller 1 and the MCU4, and transmission, the OSD that is used to realize handover information such as accesses at operation.
Controller MCU4 passes to the OSD demonstration that VGA ADC controller 1 is used for channel information through the switching on each road of switch-over control signal control KVM and with the channel number that switches through serial ports or other interfaces; Controller MCU4 also connects the PS2 keyboard/mouse through the PS2 output interface and realizes the conversion of PS2 agreement to usb protocol, and is delivered to the main frame that connects when prepass through USB HUB5.
The source of the instruction that said MCU4 control is switched is: one, and the passage switching key triggers the serial ports transmission through VGA ADC controller 1; Two; MCU4 decodes to the key assignments of the PS2 keyboard that self connected; Determine the defined switching hot key of PS2 keyboard, when switching, except that accomplishing change action, also will channel information be delivered to VGA ADC controller 1 through interfaces such as serial ports, realize the demonstration of channel information in OSD.
Above-mentioned VGA ADC controller 1 also receives the channel information of self-controller MCU4 to be used for showing that at the OSD menu KVM works as prepass through serial ports except that the AD conversion of the responsible VGA of completion signal to drive the LCD display 2, and definite channel information passes to the switching that controller MCU4 carries out passage through passage switching key selection OSD KVM menu with the user.
The OSD menu of above-mentioned LCD display is divided into two function menus, and regular display is provided with function menu and KVM function menu.The activation of two kinds of menus not only can also activate and operate with operation through dedicated button through user-defined multi-functional composite-key on the PS2 keyboard that is connected by controller MCU4.
In the nonvolatile semiconductor memory members such as EEPROM that the information of passage is kept among the MCU4 to be connected, be used to pass to the preservation that VGA ADC carries out OSD channel information after the demonstration of prepass and power down, in order to restarting the recovery of back state.
Related model is merely one of structure preferred forms of integrated KVM in the display of the present invention in the foregoing description.
In the display of the present invention the structure of integrated KVM have that volume is little, multi-functional, friendly interface, easy to operate, characteristics such as can expand; Can be applicable to fields such as machine room server admin, industrial computer management and military mobile unit management, thereby have good value for applications.
Claims (5)
1. the structure of integrated KVM in the display is characterized in that its structure comprises display part and KVM switching part:
Said display part comprises LCD display, VGA ADC controller, VGA MUX chip; At least one road of display interior VGA input signal is connected to the ADC controller through VGA MUX chip; ADC controller output LVTTL signal is to LCD display, and said VGA ADC controller provides keystroke interface;
Said KVM switching part comprises handover management microcontroller MCU, and this MCU is connected to USB HUB through interface, and at least one road USB input signal outputs among the USB HUB through USB MUX; Said MCU is connected with VGA ADC controller, and this MCU also is connected to VGA MUX, USB MUX through switch-over control signal; MCU also provides the PS2 output interface; USB HUB provides USB output interface.
2. the structure of integrated KVM in a kind of display according to claim 1 is characterized in that between described VGA ADC controller and the MCU through carrying out two-way communication in serial ports.
3. the structure of integrated KVM in a kind of display according to claim 1; It is characterized in that controller MCU also realizes the conversion of PS2 agreement to usb protocol, and is delivered to the main frame that connects when prepass through USB HUB through PS2 output interface connection PS2 keyboard, mouse.
4. the structure of integrated KVM in a kind of display according to claim 1 is characterized in that the source of the instruction that said MCU control is switched is: one, and the passage switching key triggers the serial ports transmission through VGA ADC; Two, MCU decodes to the key assignments of the PS2 keyboard that self connected, and determines the defined switching hot key of PS2 keyboard.
5. the structure of integrated KVM in a kind of display according to claim 1 is characterized in that the OSD menu of said LCD display comprises that regular display is provided with function menu and KVM function menu.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2011103184395A CN102385421A (en) | 2011-10-19 | 2011-10-19 | Structure for integrating KVM (K Virtual Machine) in displayer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103184395A CN102385421A (en) | 2011-10-19 | 2011-10-19 | Structure for integrating KVM (K Virtual Machine) in displayer |
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| CN102385421A true CN102385421A (en) | 2012-03-21 |
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| CN2011103184395A Pending CN102385421A (en) | 2011-10-19 | 2011-10-19 | Structure for integrating KVM (K Virtual Machine) in displayer |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105045418A (en) * | 2015-07-13 | 2015-11-11 | 浪潮集团有限公司 | System for realizing KVM (keyboard video mouse) based on SOC (System on chip) |
| CN105117031A (en) * | 2015-08-25 | 2015-12-02 | 天津市英贝特航天科技有限公司 | KVM device with integrated matrix keyboard |
| CN107479845A (en) * | 2017-09-08 | 2017-12-15 | 广州视源电子科技股份有限公司 | Display apparatus and control method thereof |
| CN109445622A (en) * | 2018-10-29 | 2019-03-08 | 济南浪潮高新科技投资发展有限公司 | A kind of kvm system based on OSD |
| CN110618949A (en) * | 2019-09-02 | 2019-12-27 | 天津市英贝特航天科技有限公司 | KVM function card based on LPC bus |
| CN112130796A (en) * | 2020-09-22 | 2020-12-25 | 北京计算机技术及应用研究所 | Kvm switching system and method suitable for reinforcing multi-unit server |
| CN112506297A (en) * | 2020-12-08 | 2021-03-16 | 天津津航计算技术研究所 | Multi-computer display control switching method for VPX case |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101960406A (en) * | 2008-03-08 | 2011-01-26 | 惠普开发有限公司 | Computer monitor with integral KVM switch |
| CN102096479A (en) * | 2011-02-28 | 2011-06-15 | 浪潮电子信息产业股份有限公司 | SMBUS-based KVM switch with local and remote functions |
-
2011
- 2011-10-19 CN CN2011103184395A patent/CN102385421A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101960406A (en) * | 2008-03-08 | 2011-01-26 | 惠普开发有限公司 | Computer monitor with integral KVM switch |
| CN102096479A (en) * | 2011-02-28 | 2011-06-15 | 浪潮电子信息产业股份有限公司 | SMBUS-based KVM switch with local and remote functions |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105045418A (en) * | 2015-07-13 | 2015-11-11 | 浪潮集团有限公司 | System for realizing KVM (keyboard video mouse) based on SOC (System on chip) |
| CN105117031A (en) * | 2015-08-25 | 2015-12-02 | 天津市英贝特航天科技有限公司 | KVM device with integrated matrix keyboard |
| CN107479845A (en) * | 2017-09-08 | 2017-12-15 | 广州视源电子科技股份有限公司 | Display apparatus and control method thereof |
| CN109445622A (en) * | 2018-10-29 | 2019-03-08 | 济南浪潮高新科技投资发展有限公司 | A kind of kvm system based on OSD |
| CN110618949A (en) * | 2019-09-02 | 2019-12-27 | 天津市英贝特航天科技有限公司 | KVM function card based on LPC bus |
| CN112130796A (en) * | 2020-09-22 | 2020-12-25 | 北京计算机技术及应用研究所 | Kvm switching system and method suitable for reinforcing multi-unit server |
| CN112130796B (en) * | 2020-09-22 | 2023-12-12 | 北京计算机技术及应用研究所 | Kvm switching system and method suitable for strengthening multi-unit server |
| CN112506297A (en) * | 2020-12-08 | 2021-03-16 | 天津津航计算技术研究所 | Multi-computer display control switching method for VPX case |
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Application publication date: 20120321 |