CN201984390U

CN201984390U - Personal computer supervision device

Info

Publication number: CN201984390U
Application number: CN2011200691389U
Authority: CN
Inventors: 任蓓瑜
Original assignee: Individual
Current assignee: Individual
Priority date: 2011-03-16
Filing date: 2011-03-16
Publication date: 2011-09-21
Anticipated expiration: 2021-03-16

Abstract

The utility model discloses a personal computer supervision device, which comprises a master controller, computer connection equipment and front end controllers on the periphery, wherein the master controller is a multi-port device; each port is connected to one front end controller; the master controller comprises a video decoder, a control codec, a video multiplexer, a control multiplexer, a control unit, a storage unit, a network interface unit and a cascade stage unit; and each front end controller comprises the control unit, a video encoder, the control codec and a video switching unit. Through utilizing the control unit and the storage unit, the device overcomes the defects that the conventional device cannot respectively and simultaneously supervise and manage a personal computer at a controlled end, cannot instruct and communicate with all the personal computers or the specific personal computer at the controlled end through superposed video signals at a control terminal, and cannot record or store related information.

Description

Personal computer monitoring device

Technical Field

The utility model relates to a computer hardware equipment technical field especially relates to a device for monitoring management personal computer.

Background

Currently, there is a KVM switch in the market, also called KVM switch, for short. KVM is an abbreviation of three-word initials such as Keyboard (Keyboard), display (Video), and Mouse (Mouse) in english. A KVM switch is a computer hardware device that allows a user to control multiple computers through a set of keyboard, display, and mouse.

The user connects a keyboard, monitor, and mouse to the KVM switch, and then connects the KVM switch to the rest of the computer hosts using a special cable (usually USB or VGA). Then, the switch of the KVM switch or the key on the keyboard is used to switch and control different computers, so as to switch the currently used computer signal to another selected computer signal.

The KVM switcher has the advantages that: unnecessary equipment investment is saved; the space is saved, and the narrow machine room space can be effectively utilized; engineers can work in the same place without fatigue in rooms, and work efficiency is improved.

However, the KVM switch merely switches signals of the keyboard, the display, and the mouse to control different computer hosts, and does not have a function of monitoring and managing the user terminals of the computer hosts, a function of indicating and communicating a video signal superimposed on a specific computer host, and a function of recording and storing information (such as a picture, time, and keys) of the user terminals of the computer hosts.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a personal computer monitoring device for monitoring and managing a plurality of computer users and recording and storing information of the plurality of computer users.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a personal computer monitoring device comprises a main controller and a front-end controller which is connected with computer equipment and the periphery.

The main controller device comprises a coder-decoder, a video multiplexer, a control multiplexer and a control unit; the coder-decoder is connected with the video multiplexer and the control multiplexer and is used for coding and decoding video, sound, keyboard and mouse signals; the video multiplexer is externally connected with a CATX or an optical fiber interface and is used for switching and controlling video signals; the control multiplexer is externally connected with a CATX or optical fiber interface and is used for switching and controlling signals and instructions of a sound, a keyboard and a mouse; the control unit is connected with the coder-decoder, the video multiplexer and the control multiplexer, is externally connected with a display screen, a keyboard and a mouse, and is used for receiving the setting and the instruction of a manager, controlling the coder-decoder, the video multiplexer and the control multiplexer and respectively and simultaneously managing the personal computer at the controlled end.

As a preferred technical solution, the main controller of the personal computer monitoring device further comprises a storage unit connected to the control unit, the video multiplexer, and the control multiplexer, and configured to store the control information of the controlled-end personal computer according to the setting of the control selection unit. The storage unit can be built-in or provide a plug-in interface.

As the preferred technical scheme, the main controller of the personal computer supervision device also comprises

The network interface unit is used for remote control.

The cascade unit connects multiple main controllers in series to expand the number of ports

As a preferred technical solution, the front-end controller of the personal computer supervision device further comprises a video switching unit, connected with the control selection unit and the codec, for performing signal switching, and for feeding the superimposed video signal to a specific controlled-end personal computer for general use as an indication channel.

The utility model provides a personal computer supervision device has following advantage:

the control unit can manage the personal computers at the controlled ends, such as blocking videos or giving notice by overlapping videos, and can be set in all the personal computers at the controlled ends and a specific number end or one end; the control information (display resolution parameter, system time, keys, terminal numbers and the like) of the personal computer at the controlled end can be stored through the storage unit, and the video signal is compressed and stored; the defects that the prior art can not monitor and manage the personal computer at the controlled end, superpose video signals and record and store related information are overcome.

Drawings

FIG. 1 is a functional diagram of a conventional KVM switch;

FIG. 2 is a functional diagram of the PC supervision device of the present invention;

FIG. 3 is a block diagram of a front-end controller according to an embodiment of the monitoring device of the present invention;

fig. 4 is a block diagram of a main controller according to an embodiment of the monitoring device of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and embodiments of the present invention.

As shown in fig. 1, the conventional KVM switch is used to operate a Server (Server), which can operate multiple servers by using one or more groups of keyboard, display, and mouse; the system can be controlled locally in a server and is called a local operation end; it can also link the signal driving/coding to the far end with cable or optical fiber, to carry on the remote operation to the server, called remote operation end; the most common cable is CAT-5 cable (i.e. Category5 twisted pair cable 5 cable) with a distance of 100-500 m, or CAT-6 cable and CAT-7 cable (which may be collectively referred to as CAT-x cable), and if the cable is an optical fiber, the transmission distance is longer.

As shown in fig. 2, the object of the monitoring device of the personal computer of the present invention is the controlled end of the personal computer (or the workstation), which is not different from the general computer in operation, the operation interface has a Keyboard (Keyboard), a display (for example, LCD), a Mouse (Mouse), a Speaker (Speaker) and a Microphone (MIC), and the above operation interfaces can be monitored and controlled by the monitoring device. The monitoring device can lock the display, superpose videos, control the keyboard, the display, the mouse, the loudspeaker and the microphone.

As shown in fig. 3 and 4, an embodiment of the personal computer monitoring device of the present invention specifically includes the following structure: a main controller (device) and a front-end controller connecting the computer equipment and the periphery.

The main controller comprises a video decoder, a control coder-decoder, a video multiplexer, a control unit, a storage unit, a network interface unit and a cascade unit. Wherein:

the video multiplexer is used for receiving computer signals transmitted by each port and different front-end controllers, and the control unit controls and selects the appointed port to feed back to the decoder for output.

The control multiplexer is used for receiving computer signals transmitted by each port and different front-end controllers, and the control unit controls and selects the appointed port to feed back to the decoder for output, so that the signals are converted into signals of a keyboard, a display, a mouse and a loudspeaker; and receives the signal from the control unit, and transmits the signal to different front-end controllers through the codec, wherein the signal can be a microphone, a keyboard, a mouse or an instruction signal.

Video decoders, control codecs, are used to convert video and control signals into signals suitable for long distance transmission, all of which are typically encoded by the codec as differential signals transmitted over CAT-x lines or optical fiber.

And the storage unit is used for receiving the signals from the coder-decoder, is controlled by the control unit, detects the horizontal and vertical signals and the resolution of the video, performs video compression storage of each port, and stores time and port data together. The storage unit can be built-in or provide a plug-in interface.

And the network interface unit is used for remote control.

The cascade unit connects multiple main controllers in series to expand the number of ports, can receive the signal of the current stage and the signal of the previous stage, and is controlled by the control unit to make selection.

The control unit is responsible for the overall control of the main controller, and the receiving manager makes settings through a local operation port or a network interface unit, such as selecting a certain port, enabling/disabling a certain computer keyboard and the like.

The front-end controller comprises a control unit, a video encoder, a control coder-decoder and a video switching unit. Wherein:

video encoders, control codecs, are used to convert video and control signals into signals suitable for long distance transmission, all of which are typically encoded by the codec as differential signals transmitted over CAT-x lines or optical fiber.

The video switching unit receives the video input of the computer, is controlled to feed back to the display interface for display, is connected to the main controller through CAT-x lines or optical fibers with the video encoder, and can superpose videos for communication indication.

The control unit receives input of a mouse and a keyboard and transfers the input to a mouse and a keyboard interface of a computer or disables signals of the mouse and the keyboard according to instructions from the main controller; receiving microphone signals, guiding the signals to a computer microphone input interface or connecting the signals to a main controller through a coding and decoding device and CAT-x lines or optical fibers; receiving the computer loudspeaker signal, guiding the loudspeaker box interface or connecting the loudspeaker box interface or the coding of the coder-decoder to the main controller through CAT-x lines or optical fibers; and receiving the instruction of the main controller, and controlling the enabling/disabling of the keyboard, the mouse, the loudspeaker, the microphone, the display video signal and the like.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. A personal computer monitoring device is characterized in that the device comprises a main controller and a front-end controller connected with computer equipment and the periphery; the main controller mainly comprises a coder-decoder, a video multiplexer, a control multiplexer and a control unit; wherein,

the coder-decoder is connected with the video multiplexer and the control multiplexer and is used for coding and decoding video, sound, keyboard and mouse signals;

the video multiplexer is externally connected with a CATX or an optical fiber interface and is used for switching and controlling video signals;

the control multiplexer is externally connected with a CATX or optical fiber interface and is used for switching and controlling signals and instructions of a sound, a keyboard and a mouse;

the control unit is connected with the codec, the video multiplexer and the control multiplexer, is externally connected with a display screen, a keyboard and a mouse, is used for receiving the setting and the instruction of a manager, controls the codec, the video multiplexer and the control multiplexer, and is connected to the front-end controller through a CATx or an optical fiber interface to respectively and simultaneously manage the personal computer at the controlled end.

2. The device as claimed in claim 1, further comprising a storage unit connected to the control unit, the video multiplexer, and the control multiplexer for storing the control information of the controlled-end pc according to the setting of the control selection unit.

3. The personal computer supervising device according to claim 2, wherein the storage unit is built-in or provides a plug-in interface.

4. The personal computer supervision apparatus according to claim 1, wherein the front-end controller comprises a control unit, a video encoder, a control codec, a video switching unit; wherein,

the video switching unit receives the video input of the computer, is controlled to feed back to the display and the video encoder and can superpose videos for communication indication;

the video encoder and the control coder-decoder are used for signal encoding and buffering;

the control unit is connected with the main controller through a CATX or optical fiber interface, receives instructions and transmits signals, and simultaneously, the control unit is also connected with a device for switching the interfaces of a keyboard, a mouse, a loudspeaker, a microphone and a display of a computer to a real peripheral keyboard, a mouse, a display, a loudspeaker and a microphone through the inside; an embedded overlay video generation function is used to generate the overlay video.