CN112015289A - Computer integrated with KVM (keyboard video mouse) - Google Patents
Computer integrated with KVM (keyboard video mouse) Download PDFInfo
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- CN112015289A CN112015289A CN202010885183.5A CN202010885183A CN112015289A CN 112015289 A CN112015289 A CN 112015289A CN 202010885183 A CN202010885183 A CN 202010885183A CN 112015289 A CN112015289 A CN 112015289A
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- kvm
- local
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- function
- control
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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
- G06F3/038—Control and interface arrangements therefor, e.g. drivers or device-embedded control circuitry
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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
- G06F3/01—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
- 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
Abstract
The invention provides a computer integrated with a KVM (keyboard video mouse), comprising the following components: a CPU system; the display system is connected with the CPU system; a KVM switch system connected to the CPU system and the display system, respectively, the KVM switch system configured to obtain a local control input to control an external device in response to switching to the KVM function and obtain a video input of the external device to display a control interface of the external device in the local display system; the CPU system and the display system are connected with each other and are respectively connected with the KVM switching system. The invention integrates the KVM switching function in the computer, so that the local computer can be used as a PC terminal and can also be used as a local KVM control device to control other servers or hosts through the local computer; and when other hosts or servers are controlled by the local computer, the local computer automatically acquires video signals of the other hosts or servers so as to display corresponding control interfaces in the local display system.
Description
Technical Field
The invention relates to the field of computer control, in particular to a computer integrated with a KVM (keyboard, video and mouse), which is used for facilitating mutual management among computers.
Background
Nowadays, the functions of PCs are very powerful, but most PCs are still used as independent terminal devices, so that management of multiple PCs is inconvenient;
although there is a scheme for managing multiple PCs by one PC using the KVM function, there is still a drawback that when other PCs are controlled by the PC integrated with the KVM function, the operation of the control interface still needs to be displayed by the display system of the other PCs, which makes the operation more inconvenient.
Among them, KVM, i.e. a KVM switch, is an abbreviation of the first letter of three words of Keyboard Video Mouse. The KVM keyboard and mouse can realize that a set of keyboard, display and mouse are used for controlling a plurality of devices by directly connecting the keyboard, the display and the mouse (KVM) port.
Disclosure of Invention
To solve the technical problems in the background art, the present invention provides a KVM-integrated computer, comprising: a CPU system; the display system is connected with the CPU system; a KVM switch system connected to the CPU system and the display system, respectively, the KVM switch system configured to obtain a local control input to control an external device in response to switching to a KVM function and to obtain a video input of the external device to display a control interface of the external device in the local display system; the CPU system and the display system are connected with each other and are respectively connected with the KVM switching system.
In one or more embodiments, the KVM switch system is further configured to, in response to switching to PC functionality, obtain local control inputs to control the local devices and display the local control interfaces in the display systems of the local devices.
In one or more embodiments, the KVM switch system includes: the device comprises a control unit, a VGA switching module and a USB switching module; the VGA switching module is configured for responding to a corresponding control signal to acquire video input of external equipment and sending the video input to a local display system; the USB switching module is configured to respond to a corresponding control signal to acquire a local control input and send the local control input to the external device; the VGA switching module and the USB switching module are respectively connected with the control unit.
In one or more embodiments, the VGA switching module is further configured to retrieve the locally generated video signals in response to the corresponding control signals and transmit to an external device.
In one or more embodiments, the VGA switching module is further configured to acquire the locally generated video signals in response to the corresponding control signals and transmit to the local display system.
In one or more embodiments, the USB switching module is further configured to obtain a control input of the external device in response to the corresponding control signal and send the control input to the local CPU system.
In one or more embodiments, the USB switching module is further configured to obtain a local control input in response to the corresponding control signal and send the local control input to the native CPU system.
In one or more embodiments, the KVM switch system further comprises: PC function keys and KVM function keys; the PC function key is configured to trigger generation of a signal for switching to a PC function; the KVM function key is configured to trigger generation of a signal for switching to a KVM function; wherein the PC function key and the KVM function key are respectively connected with the control unit.
In one or more embodiments, the VGA switching module further comprises: and the signal conversion module is used for converting the VGA signal and other signals.
In one or more embodiments, the signal conversion module includes: and the VGA-to-EDP module is used for converting the VGA signal and the EDP signal.
The beneficial effects of the invention include: the invention integrates the KVM switching function in the computer, so that the local computer can be used as a PC terminal and can also be used as a local KVM control device to control other servers or hosts through the local computer; and when other hosts or servers are controlled by the local computer, the local computer can automatically acquire video signals of the other hosts or servers so as to display corresponding control interfaces in the local display system.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other embodiments can be obtained by using the drawings without creative efforts.
FIG. 1 is a schematic diagram of a KVM integrated computer according to the present invention;
FIG. 2 is a schematic diagram of a KVM switch system according to the present invention;
FIG. 3 is a schematic diagram of an embodiment of the present invention in which a KVM integrated computer communicates with external devices;
FIG. 4 is a schematic diagram of the CPU system of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following embodiments of the present invention are described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, and they are not described in any more detail in the following embodiments.
FIG. 1 is a schematic diagram of a KVM integrated computer according to the present invention. In the embodiment shown in FIG. 1, the KVM switch system comprises a CPU system, a display system and a KVM switch system. The KVM switch system is configured to obtain a local control input to control the external device and obtain a video input of the external device to display a control interface of the external device in the local display system in response to switching to the KVM function. The CPU system is connected with the display system, and the CPU system and the display system are respectively connected with the KVM switching system.
Specifically, the KVM switch system is implemented based on a KVM control method. The KVM switch system is responsible for managing various interfaces of the computer (hereinafter, referred to as a local computer) of the present invention, so as to control the source of the switch acquisition signal and the direction of signal transmission, and further, is responsible for managing the interaction between the external device and the local computer. Various interfaces, such as a USB interface and an HDMI interface; the system comprises a local interaction device, a USB interface, a local communication device and a local communication device, wherein the local interaction device is communicated with external devices such as a keyboard, a mouse and the like of the local communication device through the USB interface; and external equipment such as a liquid crystal display, a touch screen and the like which is communicated with the local machine through an HDMI interface.
The computer integrated with the KVM automatically acquires the video signal of the external equipment to display in the display system of the computer while controlling the external equipment through the local keyboard or mouse, thereby facilitating the management work of the external equipment by utilizing the KVM function.
Further, the KVM switch system of the present invention is further configured to obtain local control inputs to control the local devices and display the local control interfaces in the display system of the local devices in response to switching to the PC function. Local control inputs include: and inputting signals by controlling the keyboard and the mouse.
The more specific structure of the KVM switch system of the present invention is as follows:
FIG. 2 is a schematic diagram of a KVM switch system according to the present invention. In the embodiment shown in FIG. 2, the KVM switch system of the present invention comprises: the device comprises a control unit, a VGA switching module and a USB switching module; the VGA switching module is used for responding to a corresponding control signal to acquire video input of external equipment and sending the video input to a display system of the local machine; the USB switching module is used for responding to the corresponding control signal to acquire local control input and sending the local control input to the external equipment; the VGA switching module and the USB switching module are respectively connected with the control unit.
Specifically, the control unit may be an MCU, an FPGA, or the like. The VGA switching module is connected with one or more HDMI interfaces so as to manage the HDMI interfaces connected with the VGA switching module; correspondingly, the USB switching module is connected with one or more USB interfaces, so that the USB interfaces connected with the USB switching module are managed. In an optional embodiment, the VGA switching scheme is not limited to VGA signals, and a VGA two-switch-one + VGA to eDP (high definition video interface) scheme may be selected according to actual requirements to realize the conversion function of video signals. And one path of the two paths of USB signals is switched into the touch screen or the mouse after the PC function is switched, and the other path of the two paths of USB signals is switched into the keyboard. The management of each interface by the KVM switching system further comprises:
further, the VGA switch module is configured to acquire the locally generated video signal and send it to the external device in response to switching to the KVM function.
Further, the VGA switching module is also configured to respond to the switching to the PC function to acquire the video signal generated by the local computer and send the video signal to the display system of the local computer.
Further, the USB switch module is configured to obtain a control input of the external device and send the control input to the local CPU system in response to switching to the KVM function. In an alternative embodiment, the USB switching module automatically intercepts the control signal of the external device when switched to the KVM function.
Further, the USB switching module is configured to obtain a local control input for the PC function in response to switching to the PC function and send the local control input to the local CPU system.
In a further embodiment, the VGA switching module further comprises: and the signal conversion module is configured for converting the VGA signal and other signals. Specifically, the signal conversion module includes: and the VGA-to-EDP module is used for converting the VGA signal and the EDP signal.
In addition, the display signal or the video signal of the terminal can be acquired through the HDMI interface and distributed by the VGA two-in-one module, and can also be acquired through the USB interface and distributed by the USB two-in-one module in a memorable manner, and the specific mode is determined according to the type of the specific signal.
In a further embodiment, the KVM switch system further comprises: PC function keys and KVM function keys; the PC function key is configured to trigger generation of a signal for switching to the PC function; the KVM function key is configured to trigger generation of a signal for switching to a KVM function; wherein the PC function key and the KVM function key are respectively connected with the control unit.
FIG. 3 is a diagram illustrating an embodiment of the present invention in which a KVM integrated computer communicates with external devices. In the embodiment shown in fig. 3, the external device is connected to the local device through its HDMI interface and USB interface, respectively. The HDMI is used for communication of VGA signals, and the USB is used for communication of USB signals.
When a KVM function key is pressed, a signal for switching to a KVM function is triggered and generated and is sent to the control unit MCU, and at the moment, the USB two-switch-one module acquires local control input (input of a keyboard or a mouse) and sends the local control input to the external equipment to realize control of the external equipment; meanwhile, the VGA two-to-one module acquires a video signal of the external device and transmits the video signal to the display system of the local machine so as to display a control interface of the external device in the display system of the local machine.
When a PC function key is pressed, a signal for switching into a PC function is triggered and generated and sent to the control unit MCU, at the moment, the VGA two-to-one module and the USB two-to-one module control the HDMI or USB interface connected with the VGA two-to-one module to work in a normal state, for example, the USB two-to-one module obtains the input of a local keyboard or mouse and sends the input to a CPU system of the local computer. The term "two-to-one" refers to switching to the PC function or the KVM function.
FIG. 4 is a schematic diagram of the CPU system of the present invention. In the embodiment shown in fig. 4, the CPU system of the present invention includes: CPU (model number FT-2000/4), two DDR4 SODIMM memory banks, SPI FLASH interface, extended 232 interface circuit, 2-way gigabit network PHY interface, JTAG interface and GPIO interface.
The foregoing is an exemplary embodiment of the present disclosure, but it should be noted that various changes and modifications could be made herein without departing from the scope of the present disclosure as defined by the appended claims. The functions, steps and/or actions of the method claims in accordance with the disclosed embodiments described herein need not be performed in any particular order. Furthermore, although elements of the disclosed embodiments of the invention may be described or claimed in the singular, the plural is contemplated unless limitation to the singular is explicitly stated.
It should be understood that, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly supports the exception. It should also be understood that "and/or" as used herein is meant to include any and all possible combinations of one or more of the associated listed items.
The numbers of the embodiments disclosed in the embodiments of the present invention are merely for description, and do not represent the merits of the embodiments.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, of embodiments of the invention is limited to these examples; within the idea of an embodiment of the invention, also technical features in the above embodiment or in different embodiments may be combined and there are many other variations of the different aspects of the embodiments of the invention as described above, which are not provided in detail for the sake of brevity. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of the embodiments of the present invention are intended to be included within the scope of the embodiments of the present invention.
Claims (10)
1. A KVM-integrated computer, comprising:
a CPU system;
the display system is connected with the CPU system;
a KVM switch system, coupled to the CPU system and the display system, respectively, is configured to obtain a local control input to control an external device and obtain a video input of the external device to display a control interface of the external device in the local display system in response to switching to the KVM function.
2. The KVM integrated computer of claim 1, wherein said KVM switch system is further configured to, in response to switching to PC functionality, obtain local control inputs to control the local device and display a local control interface in the local device's display system.
3. The computer integrated with KVM of claim 2, wherein said KVM switch system comprises:
the device comprises a control unit, a VGA switching module and a USB switching module;
the VGA switching module is configured for responding to a corresponding control signal to acquire video input of external equipment and sending the video input to a local display system;
the USB switching module is configured to respond to a corresponding control signal to acquire a local control input and send the local control input to the external device;
the VGA switching module and the USB switching module are respectively connected with the control unit.
4. The computer integrated KVM of claim 3, wherein said VGA switch module is further configured to acquire the locally generated video signal and send it to an external device in response to switching to the KVM function.
5. The KVM integrated computer of claim 3, wherein said VGA switch module is further configured to acquire and transmit the locally generated video signal to the local display system in response to switching to the PC function.
6. The KVM integrated computer of claim 3, wherein the USB switch module is further configured to obtain control inputs for the external device and send the control inputs to the local CPU system in response to switching to the KVM function.
7. The KVM integrated computer of claim 3, wherein the USB switch module is further configured to obtain and send local control inputs to the local CPU system in response to switching to the PC function.
8. The computer integrated KVM of claim 3, wherein said KVM switch system further comprises:
PC function keys and KVM function keys;
the PC function key is configured to trigger generation of a signal for switching to a PC function;
the KVM function key is configured to trigger generation of a signal for switching to a KVM function;
wherein the PC function key and the KVM function key are respectively connected with the control unit.
9. The computer integrated with KVM of claim 3, wherein said VGA switch module further comprises:
and the signal conversion module is used for converting the VGA signal and other signals.
10. The computer integrated with KVM of claim 9, wherein said signal conversion module comprises: and the VGA-to-EDP module is used for converting the VGA signal and the EDP signal.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010885183.5A CN112015289A (en) | 2020-08-28 | 2020-08-28 | Computer integrated with KVM (keyboard video mouse) |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010885183.5A CN112015289A (en) | 2020-08-28 | 2020-08-28 | Computer integrated with KVM (keyboard video mouse) |
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| CN112015289A true CN112015289A (en) | 2020-12-01 |
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| CN202010885183.5A Pending CN112015289A (en) | 2020-08-28 | 2020-08-28 | Computer integrated with KVM (keyboard video mouse) |
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Citations (5)
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| US20090189863A1 (en) * | 2008-01-28 | 2009-07-30 | Aten International Co., Ltd. | Combination console module for kvm switch |
| CN105045408A (en) * | 2015-07-13 | 2015-11-11 | 山东超越数控电子有限公司 | Notebook computer with KVM (Keyboard Video Mouse) keyboard and mouse and KVM switching method for notebook computer |
| CN208061071U (en) * | 2018-03-21 | 2018-11-06 | 山东超越数控电子股份有限公司 | A kind of computer with integrated equipment mainboard module for supporting KVM functions |
| CN111221492A (en) * | 2020-01-13 | 2020-06-02 | 山东超越数控电子股份有限公司 | Backboard bus type multi-unit server VGA display design device and design method |
| CN210955057U (en) * | 2020-03-16 | 2020-07-07 | 烟台北方星空自控科技有限公司 | System with video and USB signal switching function |
-
2020
- 2020-08-28 CN CN202010885183.5A patent/CN112015289A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090189863A1 (en) * | 2008-01-28 | 2009-07-30 | Aten International Co., Ltd. | Combination console module for kvm switch |
| CN105045408A (en) * | 2015-07-13 | 2015-11-11 | 山东超越数控电子有限公司 | Notebook computer with KVM (Keyboard Video Mouse) keyboard and mouse and KVM switching method for notebook computer |
| CN208061071U (en) * | 2018-03-21 | 2018-11-06 | 山东超越数控电子股份有限公司 | A kind of computer with integrated equipment mainboard module for supporting KVM functions |
| CN111221492A (en) * | 2020-01-13 | 2020-06-02 | 山东超越数控电子股份有限公司 | Backboard bus type multi-unit server VGA display design device and design method |
| CN210955057U (en) * | 2020-03-16 | 2020-07-07 | 烟台北方星空自控科技有限公司 | System with video and USB signal switching function |
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