CN208488713U - The synchronous devices of keyboard lights of attending a banquet in a kind of distribution kvm system more - Google Patents
The synchronous devices of keyboard lights of attending a banquet in a kind of distribution kvm system more Download PDFInfo
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- CN208488713U CN208488713U CN201820591210.6U CN201820591210U CN208488713U CN 208488713 U CN208488713 U CN 208488713U CN 201820591210 U CN201820591210 U CN 201820591210U CN 208488713 U CN208488713 U CN 208488713U
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- keyboard
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- keyboard light
- status request
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Abstract
The utility model discloses the synchronous devices of keyboard light of attending a banquet in a kind of distributed kvm system more.The device of the utility model includes that the keyboard and mouse interface agency of end node, mouse are attended a banquet positioned at KVM across screen decision mechanism, keyboard light status request generating mechanism, keyboard light status request transmitting mechanism and keyboard light state receiving mechanism, and keyboard light status request receiving mechanism, host keyboard interface and keyboard light state transmitting mechanism positioned at KVM host end node.The utility model configuration is simple, when can synchronize the keyboard light for remotely accessing all keyboards of same host, mouse across screen can synchronized update keyboard light state, switching access host when can immediate updating keyboard light state, realize the synchronization of keyboard lights of attending a banquet in distributed kvm system more.
Description
Technical field
The utility model relates to remote keyboard transmission technique fields, sit more particularly in a kind of distributed kvm system more
The synchronous device of seat keyboard light.
Background technique
In distributed kvm system, as soon as all connect is needed at this time there are multiple the case where attending a banquet while accessing host
The keyboard light state consistency entered, not so will affect the usage experience of user.Therefore it is synchronous between such system needs one kind to attend a banquet more
The mechanism of keyboard light.
Utility model content
For overcome the deficiencies in the prior art, the purpose of this utility model is to provide more in a kind of distributed kvm system
The synchronous device of keyboard light of attending a banquet.All keyboard light network of relation packets are all existing by distributed kvm system in the utility model
Some network connections and interchanger transmission, do not need additionally to increase route and the network equipment, save cost, easy to operate.
The technical solution of the utility model is specifically described as follows.
The synchronous devices of keyboard lights of attending a banquet in a kind of distribution kvm system comprising several groups KVM attends a banquet end node more
With several groups host end node；KVM end node of attending a banquet is connected with keyboard；KVM host end node is connected with host；
KVM attend a banquet end node include keyboard and mouse interface, mouse across screen decision mechanism, keyboard light status request generating mechanism, keyboard light
Status request transmitting mechanism and keyboard light state receiving mechanism；KVM host end node include keyboard light status request receiving mechanism,
Host keyboard interface and keyboard light state transmitting mechanism；Keyboard is directly connected to keyboard light state by keyboard and mouse interface all the way asks
Generating mechanism is sought, another way is sequentially connected mouse across screen decision mechanism and keyboard light status request generating mechanism, keyboard light state
Request generating mechanism is connected with keyboard light status request transmitting mechanism；Keyboard light status request transmitting mechanism passes through the network switch
It is successively connected with keyboard light status request receiving mechanism with host keyboard interface, host keyboard interface is connected with host all the way, separately
Connected all the way with keyboard light state transmitting mechanism, keyboard light state transmitting mechanism by the network switch successively with keyboard light state
Receiving mechanism, keyboard and mouse interface and keyboard are connected.
In the utility model, keyboard is including but not limited to USB, PS2 keyboard.
In the utility model, KVM host end node is connected including but not limited to USB with PS2 with the connection type of host.
In the utility model, KVM attends a banquet end node access keyboard, detect need synchronous keyboard light state when, generate
Keyboard light status request is simultaneously sent to the host side KVM node being currently accessed by network；Host side KVM node receives keyboard
After lamp status request network packet, it is sent to corresponding host interface, and the keyboard light state of receiving host feedback, is passed through later
Network is sent to all KVM for accessing the hosts and attends a banquet end node；KVM end node of attending a banquet receives the network comprising keyboard light state
Bao Hou sends it to keyboard, so that keyboard light state is consistent with the Host Status of its access, realizes a keyboards of attending a banquet more
Lamp state is synchronous with host.Compared to the prior art, it the utility model has the beneficial effects that: configuration is simple, can synchronize remote
Journey accesses the keyboard light of all keyboards of same host, when mouse is across screen can synchronized update keyboard light state, switching access master
When machine can immediate updating keyboard light state, the keyboard quantity that can be synchronized is unlimited.
Detailed description of the invention
Fig. 1 is the structural block diagram of the synchronous devices of keyboard light of attending a banquet in the distributed kvm system of one of embodiment more.
Figure label: 1- keyboard, 2- host, the 3- network switch, 4- keyboard and mouse interface, 5- mouse is across screen judgement machine
Structure, 6- keyboard light status request generating mechanism, 7- keyboard light status request transmitting mechanism, 8- keyboard light state receiving mechanism, 9-
Keyboard light status request receiving mechanism, 10- host keyboard interface, 11- keyboard light state transmitting mechanism.
Specific embodiment
It describes in detail with reference to the accompanying drawings and examples to the technical solution of the utility model.
Embodiment 1
Fig. 1 is the structural block diagram of the synchronous devices of keyboard light of attending a banquet in distributed kvm system more comprising several groups KVM
Attend a banquet end node U0, U1 ... Un and several groups host end node V0, V1 ... Vm；KVM attends a banquet end node and key
Disk 1 connects；KVM host end node and host 2 connect；KVM attend a banquet end node include keyboard and mouse interface 4, mouse across screen judge
Mechanism 5, keyboard light status request generating mechanism 6, keyboard light status request transmitting mechanism 7 and keyboard light state receiving mechanism 8；
KVM host end node includes keyboard light status request receiving mechanism 9, host keyboard interface 10 and keyboard light state transmitting mechanism
11；Keyboard 1 is directly connected to keyboard light status request generating mechanism 6 by 4 one tunnel of keyboard and mouse interface, and another way is sequentially connected mouse
Mark is across screen decision mechanism 5 and keyboard light status request generating mechanism 6, keyboard light status request generating mechanism 6 and keyboard light state
Transmitting mechanism 7 is requested to connect；Keyboard light status request transmitting mechanism 7 by the network switch 3 successively with keyboard light status request
Receiving mechanism 9 and host keyboard interface 10 connect, and 10 1 tunnel of host keyboard interface is connected with host 2, another way and keyboard light shape
State transmitting mechanism 11 connect, keyboard light state transmitting mechanism 11 by the network switch 3 successively with keyboard light state receiving mechanism
8, keyboard and mouse interface 4 and keyboard 1 are connected.
The structure and function of device in embodiment, each component is as described below:
A, keyboard and mouse interface 4: it uses USB2.0 interface chip, is connected by USB interface with keyboard, receives keyboard
The key assignments of transmission receives mouse action, the insertion of detection keyboard and sends keyboard light state to keyboard, by UART interface and
Keyboard light status request generating mechanism 6 connects；
B, mouse is across screen decision mechanism 5: being used for according to mouse coordinates to determine whether across screen, to judge the access of attending a banquet
Host whether change；
C, keyboard light status request generating mechanism 6: it uses fpga chip, is asked by RGMII interface and keyboard light state
Transmitting mechanism 7 is asked to connect；Its function is that keyboard value is converted to network packet to be sent to keyboard light status request transmitting mechanism 7；Root
According to keyboard key assignments, insertion operation and whether across screen come determine whether send keyboard light status request；
D, keyboard light status request transmitting mechanism 7: keyboard light status request is converted into network packet, and is sent to and currently connects
The host end node entered；
E, keyboard light state receiving mechanism 8: it uses network interface chip, is connected by twisted pair and the network switch 3；
Keyboard light state is extracted from the keyboard light state packet that keyboard light state transmitting mechanism 11 sends over, and is sent to keyboard mouse
Tag splice mouth 4；
F, keyboard light status request receiving mechanism 9: it uses network interface chip, passes through twisted pair and the network switch
3 connections, are connected by RGMII interface and host keyboard interface 10；It receives keyboard light status request transmitting mechanism 7 and passes through network
The keyboard light status request packet of transmission, and send the requests to host keyboard interface 10；
G, host keyboard interface 10: it uses USB2.0 interface chip, is connected by USB interface with host 2, by keyboard
The packet that the keyboard light status request that lamp status request receiving mechanism 9 is sent is converted into USB2.0 is transmitted to host 2, while receiving master
The USB packet for the keyboard light status information that machine 2 is sent；
H, keyboard light state transmitting mechanism 11: it is connected by UART interface and host keyboard interface 10；Its function is will
Key assignments is extracted from network packet, is sent to host keyboard interface 10；The keyboard light that host keyboard interface 10 is sent simultaneously
Information is converted to network packet and is sent to keyboard light state receiving mechanism 8, is sent to all access hosts by the network switch 3
2 KVM attends a banquet end node.
Mouse judges mouse detailed process is as follows across screen across screen decision mechanism 5:
B1, setting access host screen resolution, (x, y)；
B2, mouse changing coordinates (x0, y0) is obtained；
B3, mouse movement pixel number (dx, dy) is obtained；
If B4, x0+dx<0 or x0+dx>=x or y0+dy<0 or y0+dy>=y, judge mouse across screen；
Keyboard light status request generating mechanism 6 generates keyboard light status request according to following condition:
C1, mouse are across screen；
C2, keyboard insertion；
The key assignments that C3, keyboard are sent is " caps lock " or " scroll lock " or " num lock "；
C4, access host switch；
Keyboard light state receiving mechanism 8, judging the keyboard light state received, effectively whether steps are as follows:
G1, the source network address src_addr for obtaining packet, can be MAC Address or IP address etc.；
G2, the host side network address pc_addr for obtaining the node access of attending a banquet；
G3, compare src_addr and pc_addr, if identical, be judged as effective；Otherwise it abandons
It in the utility model, is attended a banquet end node using distributed KVM, then monitoring keyboard insertion currently connects to the node
The host 2 entered sends keyboard light status request network packet, and KVM host end node is forwarded to host 2 after receiving packet, then receives master
The keyboard light status information that machine 2 is fed back, and attended a banquet end by the KVM that Web broadcast packet sends it to all access hosts 2
Node, KVM end node of attending a banquet receive the packet that host side is sent, filter out invalid packet, and keyboard light status information is sent to
Keyboard 1, to realize that keyboard light is synchronous with access host 2.Additional line synchro is not needed, the distributivity of system is enhanced,
The complexity and cost that reduction system is implemented；The keyboard not limited to that can be synchronized.
Obviously, it is practical without departing from this deliberately to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (3)
1. the synchronous devices of keyboard light of attending a banquet in a kind of distribution kvm system, it is characterised in that: it includes several groups KVM more
It attends a banquet end node and several groups host end node；KVM end node of attending a banquet is connected with keyboard；KVM host end node and host
Connection；KVM attend a banquet end node include keyboard and mouse interface, mouse across screen decision mechanism, keyboard light status request generating mechanism, key
Disk lamp status request transmitting mechanism and keyboard light state receiving mechanism；KVM host end node includes that keyboard light status request receives
Mechanism, host keyboard interface and keyboard light state transmitting mechanism；Keyboard is directly connected to keyboard light by keyboard and mouse interface all the way
Status request generating mechanism, another way are sequentially connected mouse across screen decision mechanism and keyboard light status request generating mechanism, keyboard
Lamp status request generating mechanism is connected with keyboard light status request transmitting mechanism；Keyboard light status request transmitting mechanism passes through network
Interchanger is successively connected with keyboard light status request receiving mechanism with host keyboard interface, host keyboard interface all the way with host phase
Even, another way connect with keyboard light state transmitting mechanism, and keyboard light state transmitting mechanism passes through the network switch successively and keyboard
Lamp state receiving mechanism, keyboard and mouse interface and keyboard are connected.
2. the synchronous devices of keyboard light of attending a banquet in distribution kvm system according to claim 1, which is characterized in that key more
Disk is including but not limited to USB, PS2 keyboard.
3. the synchronous devices of keyboard light of attending a banquet in distribution kvm system according to claim 1, which is characterized in that KVM more
Host end node is connected including but not limited to USB with PS2 with the connection type of host.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820591210.6U CN208488713U (en) | 2018-04-24 | 2018-04-24 | The synchronous devices of keyboard lights of attending a banquet in a kind of distribution kvm system more |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820591210.6U CN208488713U (en) | 2018-04-24 | 2018-04-24 | The synchronous devices of keyboard lights of attending a banquet in a kind of distribution kvm system more |
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| CN208488713U true CN208488713U (en) | 2019-02-12 |
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| CN201820591210.6U Active CN208488713U (en) | 2018-04-24 | 2018-04-24 | The synchronous devices of keyboard lights of attending a banquet in a kind of distribution kvm system more |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112256140A (en) * | 2020-10-21 | 2021-01-22 | 上海晨驭信息科技有限公司 | Multi-keyboard mouse cooperative control system in distributed KVM seat system |
| CN112667484A (en) * | 2020-12-15 | 2021-04-16 | 威创集团股份有限公司 | Keyboard lamp synchronization method and system in optical fiber seat system and storage medium |
-
2018
- 2018-04-24 CN CN201820591210.6U patent/CN208488713U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112256140A (en) * | 2020-10-21 | 2021-01-22 | 上海晨驭信息科技有限公司 | Multi-keyboard mouse cooperative control system in distributed KVM seat system |
| CN112256140B (en) * | 2020-10-21 | 2024-02-06 | 上海晨驭信息科技有限公司 | Multi-key mouse cooperative control system in distributed KVM seat system |
| CN112667484A (en) * | 2020-12-15 | 2021-04-16 | 威创集团股份有限公司 | Keyboard lamp synchronization method and system in optical fiber seat system and storage medium |
| WO2022126789A1 (en) * | 2020-12-15 | 2022-06-23 | 威创集团股份有限公司 | Method and system for synchronizing keyboard lights in optical fiber seat system, and storage medium |
| CN112667484B (en) * | 2020-12-15 | 2023-03-10 | 威创集团股份有限公司 | Keyboard lamp synchronization method and system in optical fiber seat system and storage medium |
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