CN104317447A - Touch screen USB (Universal Serial Bus) and VGA (Video Graphic Array) switcher - Google Patents
Touch screen USB (Universal Serial Bus) and VGA (Video Graphic Array) switcher Download PDFInfo
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- CN104317447A CN104317447A CN201410549954.8A CN201410549954A CN104317447A CN 104317447 A CN104317447 A CN 104317447A CN 201410549954 A CN201410549954 A CN 201410549954A CN 104317447 A CN104317447 A CN 104317447A
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- usb
- vga
- interface
- handover module
- input
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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
- G06F3/1454—Digital output to display device ; Cooperation and interconnection of the display device with other functional units involving copying of the display data of a local workstation or window to a remote workstation or window so that an actual copy of the data is displayed simultaneously on two or more displays, e.g. teledisplay
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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
- G06F13/382—Information transfer, e.g. on bus using universal interface adapter
- G06F13/385—Information transfer, e.g. on bus using universal interface adapter for adaptation of a particular data processing system to different peripheral devices
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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
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Information Transfer Systems (AREA)
Abstract
The invention discloses a touch screen USB (Universal Serial Bus) and VGA (Video Graphic Array) switcher which comprises multiple VGA input interfaces, multiple USB input interfaces, a VGA switching module, a USB switching module, a USB interface module, a VGA output interface and a USB output interface, wherein the inputs of the multiple VGA input interfaces are respectively connected with the VGA output ports of multiple lower computer, and video information of each lower computer is transmitted to the VGA switching module; the VGA switching module selects and outputs video information of one lower computer according to a control signal and outputs the video information to an upper computer through the VGA output interface; the inputs of the multiple USB input interfaces are respectively connected with the USB output ports of the multiple lower computers; the multiple USB input interfaces are used for respectively providing power for the VGA switching module and the USB switching module through the USB interface module; the USB switching module is selectively communicated with the USB interface of one lower computer according to the control signal; the USB switching module is communicated with the USB interface of the upper computer through the USB output interface.
Description
Technical field
The present invention relates to KVM switcher field, particularly relate to a kind of touch-screen USB and VGA switch.
Background technology
Existing USB and VGA switching device is generally called KVM switcher, KVM switcher also claims " KVM multi-computer switch ", " KVM ", " computer switch " etc., management equipment in network, it is Keyboard(keyboard), Video(display) and Mouse(mouse) first letter of three words.Namely can realize controlling multiple devices with a set of keyboard, display, mouse.Briefly, be exactly one group of keyboard, display and mouse, control 2,4,8,16 even to the main frame of more than 4096.
The KVM switcher of current industrial use, its defect is mainly manifested in following 3 aspects:
1, cannot realize reliably working in industrial settings, under the low temperature of-40 degree, KVM switcher cannot work completely;
2, the switching that KVM switcher provides is manual operation, and the control command sent by other controllers cannot be provided automatically to switch;
3, the power dissipation ratio of equipment is comparatively large, needs independent power-supply unit to power to switch.
Summary of the invention
The object of the invention is to overcome the deficiencies in the prior art, provide a kind of touch-screen USB and VGA switch, the mode adopting low power dissipation design multi-USB interface to power, provides switching control interface, switch is connected into various automatic remote acquisition control system.
The object of the invention is to be achieved through the following technical solutions: a kind of touch-screen USB and VGA switch, it comprises multiple VGA input interface, multiple USB input interface, VGA handover module, USB handover module, USB interface electricity-fetching module, VGA output interface and USB output interface.
The output of described multiple VGA input interfaces is connected with multiple input ends of VGA handover module respectively, the signal end of multiple USB input interface is connected with multiple input ends of USB handover module respectively, multiple USB input interface power end is connected with the power input of USB interface electricity-fetching module, the power output end of USB interface electricity-fetching module is connected with the power input of VGA handover module and USB handover module respectively, the signal of VGA handover module exports and is connected with VGA output interface, and the signal of USB handover module exports and is connected with USB output interface.
The input of described multiple VGA input interfaces is connected with the VGA output port of multiple slave computer respectively, and the video information of each slave computer is sent to VGA handover module, VGA handover module selects the video information of an output slave computer according to control signal, and by VGA output interface, this video information is outputted to host computer, and show the video information of this slave computer by host computer; The input of described multiple USB input interfaces is connected with the USB output port of multiple slave computer respectively, multiple USB input interface respectively by USB interface electricity-fetching module for VGA handover module and USB handover module provide power supply, USB handover module is selected to be communicated with the USB interface of a slave computer according to control signal, USB handover module is communicated with the USB interface of host computer by USB output interface, manipulates this slave computer by host computer by USB interface.
It also comprises switching control interface, the control of described switching control interface exports and is connected with the control inputs of VGA handover module and USB handover module respectively, the switching control inputs of control interface exports with the control of host computer and is connected, upper host computer sends control signal respectively to VGA handover module and USB handover module, the selection input state of control VGA handover module and USB handover module by switching control interface.
The invention has the beneficial effects as follows: the present invention adopts extremely low power dissipation to design, power by means of only USB interface and just can meet all power consumption demand of switch, the present invention adopts the mode of two or more USB power taking, simultaneously from the power taking of two or more USB input interface, any one USB interface power-off all can not the normal work of influential system.Switch of the present invention, without the need to externally fed, to adopt from the mode of USB input port power taking to power itself, just can normally work.
The present invention adopts the switching chip of technical grade, meets the industrial environment requirement of subzero 45 degree ~ 75 degree, and normally can carry out switching manipulation in industrial settings.
The present invention sets up switching control interface, switching control port is externally provided, PLC or other remote control terminals can be used to control switch of the present invention, control the VGA handover module of switch of the present invention and the input connection status of USB handover module, switch of the present invention is connected into various automatic remote acquisition control system.
Accompanying drawing explanation
Fig. 1 is switch theory diagram of the present invention;
Fig. 2 is embodiment of the present invention theory diagram.
Embodiment
Below in conjunction with accompanying drawing, technical scheme of the present invention is described in further detail, but protection scope of the present invention is not limited to the following stated.
As shown in Figure 1, a kind of touch-screen USB and VGA switch, it comprises multiple VGA input interface, multiple USB input interface, VGA handover module, USB handover module, USB interface electricity-fetching module, VGA output interface and USB output interface.
The output of described multiple VGA input interfaces is connected with multiple input ends of VGA handover module respectively, the signal end of multiple USB input interface is connected with multiple input ends of USB handover module respectively, multiple USB input interface power end is connected with the power input of USB interface electricity-fetching module, the power output end of USB interface electricity-fetching module is connected with the power input of VGA handover module and USB handover module respectively, the signal of VGA handover module exports and is connected with VGA output interface, and the signal of USB handover module exports and is connected with USB output interface.
The input of described multiple VGA input interfaces is connected with the VGA output port of multiple slave computer respectively, and the video information of each slave computer is sent to VGA handover module, VGA handover module selects the video information of an output slave computer according to control signal, and by VGA output interface, this video information is outputted to host computer, and show the video information of this slave computer by host computer; The input of described multiple USB input interfaces is connected with the USB output port of multiple slave computer respectively, multiple USB input interface respectively by USB interface electricity-fetching module for VGA handover module and USB handover module provide power supply, USB handover module is selected to be communicated with the USB interface of a slave computer according to control signal, USB handover module is communicated with the USB interface of host computer by USB output interface, manipulates this slave computer by host computer by USB interface.
It also comprises switching control interface, the control of described switching control interface exports and is connected with the control inputs of VGA handover module and USB handover module respectively, the switching control inputs of control interface exports with the control of host computer and is connected, host computer sends control signal respectively to VGA handover module and USB handover module, the selection input state of control VGA handover module and USB handover module by switching control interface.
As shown in Figure 2, a concrete case study on implementation of the present invention, it comprises two VGA input interfaces, two USB input interfaces, VGA alternative handover module, USB alternative handover module, USB interface electricity-fetching module, VGA output interface, USB output interfaces and switches control interface.
VGA input interface 1 is connected with two input ends of VGA alternative handover module respectively with the output of VGA input interface 2, USB input interface 1 is connected with two input ends of USB alternative handover module respectively with the signal output part of USB input interface 2, USB input interface 1 is connected with the power input of USB interface electricity-fetching module with the power end of USB input interface 2, the power output end of USB interface electricity-fetching module is connected with the power input of VGA alternative handover module and USB alternative handover module respectively, the signal of VGA alternative handover module exports and is connected with VGA output interface, the signal of USB alternative handover module exports and is connected with USB output interface.
Described VGA input interface 1 is connected with the VGA output port of two slave computers respectively with the input end of VGA input interface 2, and the video information of each slave computer is sent to VGA alternative handover module, VGA alternative handover module selects connection VGA input interface according to the control signal switching control interface, and the video information of the slave computer be connected with this VGA input interface is outputted to host computer by VGA output interface, and show the video information of this slave computer by host computer.
Described USB input interface 1 is connected with the USB output port of two slave computers respectively with the input end of USB input interface 2, USB input interface 1 and USB input interface 2 respectively by USB interface electricity-fetching module for VGA alternative handover module and USB alternative handover module provide power supply, USB alternative handover module selects connection USB input interface according to the control signal switching control interface, USB alternative handover module is connected with the USB interface of host computer by USB output interface again, the slave computer that now host computer is connected with this USB input interface by USB interface is communicated with, and manipulate this slave computer by host computer by USB interface.
The present invention adopts extremely low power dissipation to design, power by means of only USB interface and just can meet all power consumption demand of switch, the present invention adopts the mode of two or more USB power taking, simultaneously from the power taking of two or more USB input interface, any one USB interface power-off all can not the normal work of influential system.Switch of the present invention, without the need to externally fed, to adopt from the mode of USB input port power taking to power itself, just can normally work.
The present invention adopts the switching chip of technical grade, meets the industrial environment requirement of subzero 45 degree ~ 75 degree, and normally can carry out switching manipulation in industrial settings.
The present invention sets up switching control interface, switching control port is externally provided, PLC or other remote control terminals can be used to control switch of the present invention, control the VGA handover module of switch of the present invention and the input connection status of USB handover module, switch of the present invention is connected into various automatic remote acquisition control system.
Claims (2)
1. touch-screen USB and a VGA switch, is characterized in that: it comprises multiple VGA input interface, multiple USB input interface, VGA handover module, USB handover module, USB interface electricity-fetching module, VGA output interface and USB output interface;
The output of described multiple VGA input interfaces is connected with multiple input ends of VGA handover module respectively, the signal end of multiple USB input interface is connected with multiple input ends of USB handover module respectively, multiple USB input interface power end is connected with the power input of USB interface electricity-fetching module, the power output end of USB interface electricity-fetching module is connected with the power input of VGA handover module and USB handover module respectively, the signal of VGA handover module exports and is connected with VGA output interface, and the signal of USB handover module exports and is connected with USB output interface;
The input of described multiple VGA input interfaces is connected with the VGA output port of multiple slave computer respectively, and the video information of each slave computer is sent to VGA handover module, VGA handover module selects the video information of an output slave computer according to control signal, and by VGA output interface, this video information is outputted to host computer, and show the video information of this slave computer by host computer; The input of described multiple USB input interfaces is connected with the USB output port of multiple slave computer respectively, multiple USB input interface respectively by USB interface electricity-fetching module for VGA handover module and USB handover module provide power supply, USB handover module is selected to be communicated with the USB interface of a slave computer according to control signal, USB handover module is communicated with the USB interface of host computer by USB output interface, manipulates this slave computer by host computer by USB interface.
2. a kind of touch-screen USB according to claim 1 and VGA switch, it is characterized in that: it also comprises switching control interface, the control of described switching control interface exports and is connected with the control inputs of VGA handover module and USB handover module respectively, the switching control inputs of control interface exports with the control of host computer and is connected, host computer sends control signal respectively to VGA handover module and USB handover module, the selection input state of control VGA handover module and USB handover module by switching control interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410549954.8A CN104317447A (en) | 2014-10-17 | 2014-10-17 | Touch screen USB (Universal Serial Bus) and VGA (Video Graphic Array) switcher |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410549954.8A CN104317447A (en) | 2014-10-17 | 2014-10-17 | Touch screen USB (Universal Serial Bus) and VGA (Video Graphic Array) switcher |
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| Publication Number | Publication Date |
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| CN104317447A true CN104317447A (en) | 2015-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410549954.8A Pending CN104317447A (en) | 2014-10-17 | 2014-10-17 | Touch screen USB (Universal Serial Bus) and VGA (Video Graphic Array) switcher |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991652A (en) * | 2015-06-24 | 2015-10-21 | 山东超越数控电子有限公司 | Realization method for notebook computer supporting KVM function |
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| CN1842948A (en) * | 2003-08-27 | 2006-10-04 | 埃皮森特公司 | Rack architecture and management system |
| CN101615080A (en) * | 2008-06-23 | 2009-12-30 | 宏正自动科技股份有限公司 | Keyboard-video-mouse switcher with line control machine |
| US20110040921A1 (en) * | 2009-08-17 | 2011-02-17 | Cheng-Sheng Chou | Kvm switch having universal input and programmable usb hub |
| US20120260018A1 (en) * | 2011-04-06 | 2012-10-11 | Oct Technology Co.,Ltd. | Kvm switcher with ability to extend universal serial bus (usb) host interface via serial peripherial interface (spi) |
-
2014
- 2014-10-17 CN CN201410549954.8A patent/CN104317447A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1842948A (en) * | 2003-08-27 | 2006-10-04 | 埃皮森特公司 | Rack architecture and management system |
| CN101615080A (en) * | 2008-06-23 | 2009-12-30 | 宏正自动科技股份有限公司 | Keyboard-video-mouse switcher with line control machine |
| US20110040921A1 (en) * | 2009-08-17 | 2011-02-17 | Cheng-Sheng Chou | Kvm switch having universal input and programmable usb hub |
| US20120260018A1 (en) * | 2011-04-06 | 2012-10-11 | Oct Technology Co.,Ltd. | Kvm switcher with ability to extend universal serial bus (usb) host interface via serial peripherial interface (spi) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104991652A (en) * | 2015-06-24 | 2015-10-21 | 山东超越数控电子有限公司 | Realization method for notebook computer supporting KVM function |
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Application publication date: 20150128 |