CN111158501B - Video monitoring system based on KVM - Google Patents
Video monitoring system based on KVM Download PDFInfo
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- CN111158501B CN111158501B CN201911314074.1A CN201911314074A CN111158501B CN 111158501 B CN111158501 B CN 111158501B CN 201911314074 A CN201911314074 A CN 201911314074A CN 111158501 B CN111158501 B CN 111158501B
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- mouse
- keyboard
- decoding
- encoding
- data
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 18
- 241000699666 Mus <mouse, genus> Species 0.000 abstract description 51
- 241000699670 Mus sp. Species 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
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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
- G06F3/023—Arrangements for converting discrete items of information into a coded form, e.g. arrangements for interpreting keyboard generated codes as alphanumeric codes, operand codes or instruction codes
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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
- G06F13/42—Bus transfer protocol, e.g. handshake; Synchronisation
- G06F13/4282—Bus transfer protocol, e.g. handshake; Synchronisation on a serial bus, e.g. I2C bus, SPI bus
-
- 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
- G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
- G06F3/0481—Interaction techniques based on graphical user interfaces [GUI] based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance
- G06F3/0482—Interaction with lists of selectable items, e.g. menus
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C23/00—Non-electrical signal transmission systems, e.g. optical systems
- G08C23/04—Non-electrical signal transmission systems, e.g. optical systems using light waves, e.g. infrared
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
Abstract
The invention discloses a video monitoring system based on KVM, which aims to realize the functions of remotely controlling a plurality of remote encoder keyboards and mice by a set of keyboards and mice connected to decoding equipment, thereby greatly facilitating the operation of users on the remote encoder keyboards and mice, improving the user experience and reducing the maintenance cost of the equipment to the greatest extent. Because the remote coding device is a device which is virtualized into a keyboard and a mouse of a computer by using the USB slave device, all remote computers can be remotely controlled without a mouse and a keyboard, and thus, the purpose of managing a plurality of remote coder devices by a set of keyboard and mouse is realized.
Description
Technical Field
The invention relates to the field of video monitoring, in particular to a video monitoring system based on KVM.
Background
KVM is an abbreviation for Keyboard (Keyboard), display (Video), mouse (Mouse), the core idea of KVM technology is: through the configuration of a proper keyboard, a proper mouse and proper display, the centralized management of the system and the equipment is achieved, and the maintenance and management efficiency of the equipment is improved. But in the video monitoring industry, the image and sound of the encoder can be remotely checked, and the cradle head connected with the encoder is controlled, but a remote keyboard and a remote mouse cannot be remotely controlled, so that the user experience is unfavorable, and the remote positioning is inconvenient, and the problem of equipment is solved. Some equipment faults which can be remotely located and processed originally have no control of a remote keyboard and a mouse, and some problems are processed by the operation and maintenance colleagues to arrive at the scene, so that the management cost of equipment maintenance of enterprises is increased, the satisfaction of users is reduced, and the image of the enterprises is objectively damaged.
Disclosure of Invention
The invention aims to realize the functions of remotely controlling a plurality of remote encoder keyboards and mice by a set of keyboards and mice connected to decoding equipment, thereby greatly facilitating the operation of users on the remote encoder keyboards and mice, improving the user experience and reducing the maintenance cost of the equipment to the greatest extent. Because the remote coding device is a device which is virtualized into a keyboard and a mouse of a computer by using the USB slave device, all remote computers can be remotely controlled without a mouse and a keyboard, and thus, the purpose of managing a plurality of remote coder devices by a set of keyboard and mouse is realized.
The invention solves the technical problem, the video monitoring system based on KVM that adopts, including a plurality of encoding devices and decoding devices, each encoding device connects a video source host computer separately, thus obtain the video source from the video source host computer and encode, form the encoder picture, the decoding device connects mouse and keyboard and thus carry on KVM control, realize the order of each encoding device, and decode the correspondent encoder picture after order, then broadcast on the local display, characterized by that, each encoding device includes control chip of the encoding end and encoding end arm processor, each decoding device includes control chip of the decoding end and decoding end arm processor;
when the video monitoring system based on the KVM is remotely controlled: firstly, selecting an encoding device needing remote control through a decoding device, and then ordering an encoder image of the encoding device needing remote control; then, obtaining a mouse signal generated by the operation of a user on the mouse and the keyboard, collecting the mouse signal by a decoding end control chip, sending the mouse signal to a decoding end arm processor connected with the mouse signal through a serial port, and analyzing corresponding keyboard data and mouse data by the decoding end arm processor; the arm processor at the decoding end encapsulates the keyboard data and the mouse data and sends the keyboard data and the mouse data to the arm processor on the encoder through the network port of the decoding equipment; the arm processor on the remote encoder receives and analyzes the keyboard data and the mouse data, and then the arm processor at the encoding end sends the analyzed keyboard data and mouse data to the control chip at the encoding end; the coding end control chip realizes the function of a USB slave device and is virtualized into a device of a keyboard and a mouse of a computer, and the coding end control chip realizes the operation of the virtual keyboard and the mouse of the video source host by utilizing the keyboard data and the mouse data obtained by analysis, so that the decoding device can remotely control the coding device through the KVM;
the decoding device is also used for responding to the operation of a user, disconnecting the encoding device which needs remote control in the current order, and selecting another encoding device to realize the control of a remote keyboard and a mouse of the other encoding device.
Further, in the KVM-based video monitoring system of the present invention, the decoding end control chip and the encoding end control chip are single-chip computers.
Further, in the video monitoring system based on the KVM, the coding end control chip is positioned on the coding end singlechip board, and the coding end arm processor is positioned on the coding end arm board; the decoding end control chip is positioned on the decoding end singlechip board, and the decoding end arm processor is positioned on the decoding end arm board.
Further, in the KVM-based video monitoring system of the present invention, the mouse and the keyboard are a USB mouse and a USB keyboard, and the USB mouse and the USB keyboard are connected to the decoding device through a USB interface.
Furthermore, in the KVM-based video monitoring system of the present invention, the encoding device has a USB interface, which is connected to the video source host, and uses the USB interface to transmit signals, so as to implement the virtual keyboard and mouse operations of the video source host.
The video monitoring system based on the KVM has the following beneficial effects: the invention can remotely control the remote coding equipment to perform keyboard and mouse operations through the KVM, thus greatly improving the user experience and reducing the management and maintenance cost of the equipment.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic diagram of an embodiment of a KVM-based video monitoring system.
Detailed Description
For a clearer understanding of technical features, objects and effects of the present invention, a detailed description of embodiments of the present invention will be made with reference to the accompanying drawings.
Referring to fig. 1, the KVM-based video monitoring system of the present embodiment includes a plurality of encoding devices and decoding devices, where each encoding device is connected to a video source host, so as to obtain a video source from the video source host and encode the video source to form an encoder image, and the video source host is used to provide the video source. The decoding device is connected with a mouse and a keyboard to perform KVM control, so that on-demand of each encoding device is realized, corresponding encoder images are decoded after on-demand, and then the images are played on a local display, wherein the mouse and the keyboard are a USB mouse and a USB keyboard, and the USB mouse and the USB keyboard are connected to the decoding device through USB interfaces. Each encoding device includes an encoding-side control chip and an encoding-side arm processor, and each decoding device includes a decoding-side control chip and a decoding-side arm processor.
When the video monitoring system based on the KVM is remotely controlled: firstly, selecting an encoding device needing remote control through a decoding device, and then ordering an encoder image of the encoding device needing remote control; then, obtaining a mouse signal generated by the operation of a user on the mouse and the keyboard, collecting the mouse signal by a decoding end control chip, sending the mouse signal to a decoding end arm processor connected with the mouse signal through a serial port, and analyzing corresponding keyboard data and mouse data by the decoding end arm processor; the arm processor at the decoding end encapsulates the keyboard data and the mouse data and sends the keyboard data and the mouse data to the arm processor on the encoder through the network port of the decoding equipment; the arm processor on the remote encoder receives and analyzes the keyboard data and the mouse data, and then the arm processor at the encoding end sends the analyzed keyboard data and mouse data to the control chip at the encoding end; the coding end control chip realizes the function of a USB slave device and is virtualized into a device of a keyboard and a mouse of a computer, and the coding end control chip realizes the operation of the virtual keyboard and the mouse of the video source host by utilizing the keyboard data and the mouse data obtained by analysis, so that the decoding device can remotely control the coding device through the KVM. The coding equipment is provided with a USB interface which is connected with the video source host and is used for transmitting signals so as to realize the virtual keyboard and mouse operation of the video source host.
The decoding device is also used for responding to the operation of a user, disconnecting the encoding device which needs remote control in the current order, and selecting another encoding device to realize the control of a remote keyboard and a mouse of the other encoding device. In the first implementation mode, a menu of the connectable coding equipment in the decoding equipment is displayed on a display, a user can directly operate on the keyboard and the mouse, and a coding equipment to be requested is reselected from the menu; in the second implementation mode, the decoding device is in communication connection with the infrared remote controller, and a user can directly select a menu on the infrared remote controller to select one item (namely the encoding device) in the menu of the connection device.
In this embodiment, the decoding end control chip and the encoding end control chip are a single-chip microcomputer. The coding end control chip is positioned on the coding end singlechip circuit board, and the coding end arm processor is positioned on the coding end arm board; the decoding end control chip is positioned on the decoding end singlechip board, and the decoding end arm processor is positioned on the decoding end arm board.
The embodiments of the present invention have been described above with reference to the accompanying drawings, but the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the claims, which are to be protected by the present invention.
Claims (1)
1. The video monitoring system based on KVM includes several encoding devices and decoding devices, each of the encoding devices is connected to one video source host to obtain video source from the video source host and encode to form coder image, the decoding device is connected to mouse and keyboard to perform KVM control to realize the on-demand of each encoding device, and to decode the corresponding coder image after on-demand and to play on local display, and features that each encoding device includes one encoding end control chip and one encoding end arm processor and each decoding device includes one decoding end control chip and one decoding end arm processor;
when the video monitoring system based on the KVM is remotely controlled: firstly, selecting an encoding device needing remote control through a decoding device, and then ordering an encoder image of the encoding device needing remote control; then, obtaining a mouse signal generated by the operation of a user on the mouse and the keyboard, collecting the mouse signal by a decoding end control chip, sending the mouse signal to a decoding end arm processor connected with the mouse signal through a serial port, and analyzing corresponding keyboard data and mouse data by the decoding end arm processor; the arm processor at the decoding end encapsulates the keyboard data and the mouse data and sends the keyboard data and the mouse data to the arm processor on the encoder through the network port of the decoding equipment; the arm processor on the remote encoder receives and analyzes the keyboard data and the mouse data, and then the arm processor at the encoding end sends the analyzed keyboard data and mouse data to the control chip at the encoding end; the coding end control chip realizes the function of a USB slave device and is virtualized into a device of a keyboard and a mouse of a computer, and the coding end control chip realizes the operation of the virtual keyboard and the mouse of the video source host by utilizing the keyboard data and the mouse data obtained by analysis, so that the decoding device can remotely control the coding device through the KVM;
the decoding device is also used for responding to the operation of a user, disconnecting the encoding device which needs remote control in the current order, and selecting another encoding device to realize the control of a remote keyboard and a mouse of the other encoding device;
the decoding end control chip and the encoding end control chip are single-chip computers;
the coding end control chip is positioned on the coding end singlechip circuit board, and the coding end arm processor is positioned on the coding end arm board; the decoding end control chip is positioned on the decoding end singlechip board, and the decoding end arm processor is positioned on the decoding end arm board;
the mouse and the keyboard are a USB mouse and a USB keyboard, and the USB mouse and the USB keyboard are connected to the decoding equipment through a USB interface;
the coding equipment is provided with a USB interface which is connected with the video source host and is used for transmitting signals so as to realize the virtual keyboard and mouse operation of the video source host.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911314074.1A CN111158501B (en) | 2019-12-18 | 2019-12-18 | Video monitoring system based on KVM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911314074.1A CN111158501B (en) | 2019-12-18 | 2019-12-18 | Video monitoring system based on KVM |
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| Publication Number | Publication Date |
|---|---|
| CN111158501A CN111158501A (en) | 2020-05-15 |
| CN111158501B true CN111158501B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911314074.1A Active CN111158501B (en) | 2019-12-18 | 2019-12-18 | Video monitoring system based on KVM |
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| CN (1) | CN111158501B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111596772B (en) * | 2020-05-20 | 2022-05-03 | 威创集团股份有限公司 | Distributed system, control method and medium of KVM |
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| CN111158501A (en) | 2020-05-15 |
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