CN210295047U - Optical fiber KVM system with double backup functions - Google Patents
Optical fiber KVM system with double backup functions Download PDFInfo
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Abstract
The utility model discloses an optic fibre KVM system with two backup functions, optic fibre KVM system comprises input unit, switching unit and output unit, and wherein the input unit includes FPGA module and optical module, and the switching unit comprises main processing module and processing module spare, main processing module or be used for sending the audio video signal after handling for output unit through output optic fibre for processing module spare, work as when main processing module breaks down, be equipped with processing module can be automatic with output unit connects the communication. The system realizes high-speed transmission of the signal source, simultaneously the main processing module and the standby processing module have different port numbers, positions and connection modes, the main processing module and the standby processing module with different scales can be used for backing up and only backing up important signal sources, when the main processing module breaks down, the main processing module and the standby processing module can be seamlessly and automatically switched to the standby processing module, interruption of a KVM system is avoided, and normal and reliable operation of the system is ensured.
Description
Technical Field
The utility model relates to an electronic information field especially relates to an optic fibre KVM system with two backup functions.
Background
A kvm (keyboard Video mouse) switch allows a user to access and control a computer by directly connecting keyboard, Video, and mouse ports. The KVM technology does not require the target server to modify the software, which means that the target computer can be accessed at any time in the BIOS environment of Windows.
KVM technology has evolved from the first basic SOHO office type to enterprise IT infrastructure management systems. However, in the case of a conventional KVM system without a backup function, there is a risk of interruption of signal transmission when the KVM system is performing a critical task, and there is a potential danger or threat; in extreme cases, even national security and the like are threatened. Users cannot tolerate service interruption, so that a long-time interruption is avoided through double backup, and the long-term and reliable operation of the KVM system is ensured.
The double backup refers to artificially and repeatedly configuring some key components or functions in terms of system safety, reliability and the like, and when a system fails, for example, a certain device is damaged, the components of the double backup configuration can be used as a backup to timely intervene and undertake the work of the failed component, thereby reducing the failure time of the system.
Disclosure of Invention
In order to overcome prior art's not enough, the utility model aims to provide an optic fibre KVM system with two backup functions, this system has realized the high-speed transmission of signal source, main processing module has different port quantity with being equipped with processing module simultaneously, position and connected mode, realize two different scales main processing module and be equipped with processing module and do the backup and only do the backup to important signal source, can seamless automatic switch-over be equipped with processing module when main processing module breaks down, avoid the interruption of KVM system, guarantee that the system is normal, reliable operation.
The purpose of the utility model is realized by adopting the following technical scheme.
The utility model provides an optic fibre KVM system with two backup functions, optic fibre KVM system comprises input unit, switching unit and output unit, and wherein the input unit includes FPGA module and optical module, the switching unit comprises main processing module and processing module spare, main processing module or processing module spare is used for sending the audio video signal after handling for through output optical fiber output unit works as when main processing module breaks down, be equipped with processing module can be automatic with the communication is connected to the output unit.
Further, the standby processing module sends response data to the main processing module to monitor the online condition of the main processing module at any time, and when no response data is sent back to the standby processing module by the main processing module, the main processing module is judged to have a fault, and at this time, the standby processing module can be automatically connected with the output unit for communication.
Further, the optical module has more than one group of optical fiber interfaces.
Furthermore, each group of optical fiber interfaces comprises a main optical fiber interface and a standby optical fiber interface.
Further, the optical module respectively and synchronously sends the audio and video signals received from the FPGA module to the primary optical fiber interface and the standby optical fiber interface.
Further, the primary optical fiber interface sends the received audio/video signal to the primary processing module through an optical fiber channel, and the standby optical fiber interface sends the received audio/video signal to the standby processing module through an optical fiber channel.
Furthermore, the main processing module and the standby processing module are respectively connected with the main optical fiber interface, the standby optical fiber interface and the output unit through only one optical fiber, audio and video signals, USB signals and switching control signal data are integrated in the optical fiber, and the main processing module and the standby processing module separate the switching control signal data at any time to obtain a switching control instruction.
Further, the main processing module executes the switching control instruction and sends an execution result to the standby processing module, and the standby processing module prepares for executing the switching control instruction consistent with the main processing module and is connected with the output unit at any time for communication.
Further, the main processing module and the standby processing module may have different port positions and numbers.
Further, the output unit is a display device and/or an external device connected with the switching unit through an output optical fiber.
Compared with the prior art, the beneficial effects of the utility model reside in that: the high-speed transmission of the signal source is realized, meanwhile, the main processing module and the standby processing module have different port numbers, positions and connection modes, the main processing module and the standby processing module with different scales are used for backing up and only backing up important signal sources, when the main processing module breaks down, the main processing module and the standby processing module can be automatically switched to the standby processing module in a seamless mode, the interruption of a KVM system is avoided, and the normal and reliable operation of the system is guaranteed.
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Fig. 1 is a schematic structural diagram of an optical fiber KVM system with dual backup functions according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is the structural schematic diagram of the optical fiber KVM system with dual backup functions of the present invention, the optical fiber KVM system is composed of an input unit, a switching unit and an output unit, wherein the input unit is composed of a signal acquisition module, an MCU module, a DDR module, an FPGA module and an optical module, and the switching unit is composed of a main processing module and a backup processing module. The signal acquisition module, the MCU module and the DDR module are respectively and electrically connected with the FPGA module. The signal acquisition module is responsible for acquiring images; the MCU module is a configuration processor and is used for transmitting configuration data to the FPGA module; the DDR module is used for storing relevant data processed by the FPGA module; the FPGA module is a logic programmable chip and is responsible for image display, image storage, data cache and logic control of the whole module; the optical module and the optical fiber interface module are mainly used for high-speed transmission of data; the main processing module and the standby processing module are mainly used for processing signals and sending the signals to display equipment or external equipment.
The main processing module or the standby processing module is used for sending the processed audio and video signals to the output unit through an output optical fiber, and when the main processing module breaks down, the standby processing module can be automatically connected with the output unit for communication. In this embodiment, in the same time period, one of the main processing module and the standby processing module may only be connected and communicated with the output unit, and the main processing module is defaulted to be connected and communicated with the output unit, and only when the main processing module fails, the standby processing module may automatically be connected and communicated with the output unit.
The standby processing module sends response data to the main processing module to monitor the online condition of the main processing module at any time, when no response data is sent back to the standby processing module by the main processing module, the main processing module is judged to have a fault, and at the moment, the standby processing module can be automatically connected with the output unit for communication. In the optical fiber KVM system, when the main processing module fails, the standby processing module can be seamlessly and automatically switched, thereby avoiding interruption of the KVM system, ensuring normal and reliable operation of the system and ensuring that the current service is not influenced.
The signal acquisition module acquires audio and video signals of a signal source and sends the audio and video signals to the FPGA module. As shown in fig. 1, in this embodiment, there are two signal sources, which are a signal source 1 and a signal source 2, and in practical application, multiple signal sources can be accessed according to specific situations.
The optical module is provided with more than one group of optical fiber interfaces. In this embodiment, the signal source 1 and the signal source 2 respectively correspond to a group of optical fiber interfaces after passing through the signal acquisition module 1 and the signal acquisition module 2, and then passing through the MCU module, the DDR module, the FPGA module, and the optical module. Due to the use of the optical module, high-speed transmission of the signal source can be ensured.
Each group of optical fiber interfaces comprises a main optical fiber interface and a standby optical fiber interface. In this embodiment, a group of optical fiber interfaces of the signal source 1 are a primary optical fiber interface 1 and a backup optical fiber interface 1, respectively, and a group of optical fiber interfaces of the signal source 2 are a primary optical fiber interface 2 and a backup optical fiber interface 2, respectively. Therefore, each signal source is corresponding to the main channel and the standby channel to form backup.
The optical module respectively and synchronously sends the audio and video signals of the signal source 1 received from the FPGA module to the primary optical fiber interface 1 and the standby optical fiber interface 1; and the optical module respectively and synchronously sends the audio and video signals of the signal source 2 received from the FPGA module to the primary optical fiber interface 2 and the standby optical fiber interface 2.
The main optical fiber interface 1 and the main optical fiber interface 2 respectively send the received audio and video signals of the signal source 1 and the signal source 2 to the main processing module through optical fiber channels; the standby optical fiber interface 1 and the standby optical fiber interface 2 respectively send the received audio and video signals of the signal source 1 and the signal source 2 to the standby processing module through optical fiber channels. Therefore, when the main processing module breaks down, the data packet of the standby processing module can be uploaded without delay, so that interruption of data transmission is avoided, and uninterrupted transmission and display of the audio and video signal data of the signal source 1 and the signal source 2 are ensured.
The main processing module and the standby processing module are respectively connected with the main optical fiber interface, the standby optical fiber interface and the output unit through only one optical fiber, audio and video signals, USB signals and switching control signal data are integrated in the optical fiber, and the main processing module and the standby processing module separate the switching control signal data at any time to obtain a switching control instruction.
The main processing module executes the switching control instruction and sends an execution result to the standby processing module, and the standby processing module prepares for executing the switching control instruction consistent with the main processing module and is connected and communicated with the output unit at any time. If the output unit needs to switch the signal source 1, the output unit sends a switching control instruction to the main processing module through the output optical fiber 1, the main processing module executes the switching control instruction and sends an audio/video signal of the signal source 1 to the output unit, meanwhile, the main processing module sends a result of executing the switching control instruction to the standby processing module, the standby processing module is ready for executing the switching control instruction of the switching signal source 1 and is connected with the output unit for communication at any time, and when the main processing module breaks down, the standby processing module can automatically connect and communicate with the output unit.
The main processing module and the standby processing module have different port positions and numbers.
For example, the main processing module has 72 input ports and 72 output ports, and the standby processing module has 36 input ports and 36 output ports, so as to backup only the important 36 signal sources therein. Of course, the main processing module and the standby processing module may have the same number of ports.
For example, when the main processing module executes a switching control instruction for switching a signal source 1, the unique serial number of the signal source 1 is transmitted to the input port 1 of the main processing module through the main optical fiber interface 1, and the output unit transmits the unique serial number of the output unit to the output port 3 of the main processing module through the output optical fiber 1, so that the input port 1 and the output port 3 of the main processing module establish an input-output correspondence relationship of the signal source 1; when the standby processing module is ready to execute a switching control instruction of a switching signal source 1 consistent with the main processing module and is connected with the output unit for communication at any time, the unique serial number of the signal source 1 is transmitted to the input port 2 of the standby processing module through the standby optical fiber interface 1, the output unit transmits the unique serial number of the output unit to the output port 4 of the standby processing module through the output optical fiber 2, and the input port 2 and the output port 4 of the standby processing module establish input and output corresponding relation of the signal source 1. The main processing module and the standby processing module have different port positions and connection modes, and the main processing module and the standby processing module with different scales are backed up.
The output unit is a display device and/or an external device which is connected with the switching unit through an output optical fiber. The main processing module is used for sending the processed audio and video signals of the signal source 1 and the signal source 2 to display equipment and/or external equipment through an output optical fiber; the standby processing module can send the processed audio and video signals of the signal source 1 and the signal source 2 to the display device and/or the external device through the output optical fiber. It should be emphasized here that when the main processing module fails, the standby processing module can be automatically switched to seamlessly and uninterruptedly, so as to avoid long-time interruption of the KVM system, ensure normal and reliable operation of the system, and avoid the influence on the current service.
The external device in this embodiment is one or more of an earphone, a sound box, a usb disk, an SD card, and a mobile hard disk.
The USB HID interface is electrically connected with the FPGA module through the MCU module and is externally connected with devices such as a keyboard and/or a mouse and the like.
The utility model discloses a KVM system has realized the high-speed transmission of signal source, and main processing module has different port quantity, position and connected mode with being equipped with processing module simultaneously, realizes two different scales main processing module and be equipped with processing module and do the backup and only do the backup to important signal source, can seamless automatic switch-over when main processing module breaks down to be equipped with processing module, avoids the interruption of KVM system, guarantees that the system is normal, reliable operation.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. An optical fiber KVM system with double backup functions, the optical fiber KVM system is composed of an input unit, a switching unit and an output unit, wherein the input unit comprises an FPGA module and an optical module, and is characterized in that: the switching unit comprises a main processing module and a standby processing module, wherein the main processing module or the standby processing module is used for sending processed audio and video signals to the output unit through an output optical fiber, and when the main processing module breaks down, the standby processing module can be automatically connected with the output unit for communication.
2. The fiber-optic KVM system with dual backup function of claim 1, wherein: the standby processing module sends response data to the main processing module to monitor the online condition of the main processing module at any time, when no response data is sent back to the standby processing module by the main processing module, the main processing module is judged to have a fault, and at the moment, the standby processing module can be automatically connected with the output unit for communication.
3. The fiber-optic KVM system with dual backup function of claim 1, wherein: the optical module is provided with more than one group of optical fiber interfaces.
4. The fiber-optic KVM system with dual backup function of claim 3, wherein: each group of optical fiber interfaces comprises a main optical fiber interface and a standby optical fiber interface.
5. The fiber-optic KVM system with dual backup function according to claim 4, wherein: and the optical module respectively and synchronously sends the audio and video signals received from the FPGA module to the primary optical fiber interface and the standby optical fiber interface.
6. The fiber-optic KVM system with dual backup function according to claim 5, wherein: the main optical fiber interface sends the received audio and video signals to the main processing module through an optical fiber channel, and the standby optical fiber interface sends the received audio and video signals to the standby processing module through an optical fiber channel.
7. The fiber-optic KVM system with dual backup function according to claim 4, wherein: the main processing module and the standby processing module are respectively connected with the main optical fiber interface, the standby optical fiber interface and the output unit through only one optical fiber, audio and video signals, USB signals and switching control signal data are integrated in the optical fiber, and the main processing module and the standby processing module separate the switching control signal data at any time to obtain a switching control instruction.
8. The fiber-optic KVM system with dual backup function of claim 7, wherein: the main processing module executes the switching control instruction and sends an execution result to the standby processing module, and the standby processing module prepares for executing the switching control instruction consistent with the main processing module and is connected and communicated with the output unit at any time.
9. The fiber-optic KVM system with dual backup function of claim 7, wherein: the main processing module and the standby processing module may have different port locations and numbers.
10. The fiber-optic KVM system with dual backup function of claim 1, wherein: the output unit is a display device and/or an external device which is connected with the switching unit through an output optical fiber.
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| CN201921791132.5U CN210295047U (en) | 2019-10-24 | 2019-10-24 | Optical fiber KVM system with double backup functions |
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| CN201921791132.5U CN210295047U (en) | 2019-10-24 | 2019-10-24 | Optical fiber KVM system with double backup functions |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111930244A (en) * | 2020-07-08 | 2020-11-13 | 华东计算技术研究所（中国电子科技集团公司第三十二研究所） | Multifunctional optical fiber transmission KVM remote control management system |
| CN113365033A (en) * | 2021-06-04 | 2021-09-07 | 深圳市朗强科技有限公司 | Standby optical module selection method and equipment supporting audio and video data transmission |
| CN115344432A (en) * | 2022-10-12 | 2022-11-15 | 宏远智控科技(北京)有限公司 | System and method for transmitting keyboard, display and mouse data |
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2019
- 2019-10-24 CN CN201921791132.5U patent/CN210295047U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111930244A (en) * | 2020-07-08 | 2020-11-13 | 华东计算技术研究所（中国电子科技集团公司第三十二研究所） | Multifunctional optical fiber transmission KVM remote control management system |
| CN111930244B (en) * | 2020-07-08 | 2023-02-17 | 华东计算技术研究所（中国电子科技集团公司第三十二研究所） | Multifunctional optical fiber transmission KVM remote control management system |
| CN113365033A (en) * | 2021-06-04 | 2021-09-07 | 深圳市朗强科技有限公司 | Standby optical module selection method and equipment supporting audio and video data transmission |
| CN115344432A (en) * | 2022-10-12 | 2022-11-15 | 宏远智控科技(北京)有限公司 | System and method for transmitting keyboard, display and mouse data |
| CN115344432B (en) * | 2022-10-12 | 2023-01-10 | 宏远智控科技(北京)有限公司 | System and method for transmitting keyboard, display and mouse data |
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Address after: Room 603, 604, 6 / F, No.2 building, South daganwei South China No.5 Industrial Zone, Haizhu District, Guangzhou, Guangdong 510000 Patentee after: Guangdong Meishi Technology Co.,Ltd. Address before: Room 603, 604, 6 / F, No.2 building, South daganwei South China No.5 Industrial Zone, Haizhu District, Guangzhou, Guangdong 510000 Patentee before: Guangzhou Meishi Electronic Technology Co.,Ltd. |