CN110225066A - A kind of network switching control system of LED large-size screen monitors player - Google Patents
A kind of network switching control system of LED large-size screen monitors player Download PDFInfo
- Publication number
- CN110225066A CN110225066A CN201910667071.XA CN201910667071A CN110225066A CN 110225066 A CN110225066 A CN 110225066A CN 201910667071 A CN201910667071 A CN 201910667071A CN 110225066 A CN110225066 A CN 110225066A
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- China
- Prior art keywords
- network
- playback equipment
- chip microcontroller
- server
- interchanger
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- 238000004891 communication Methods 0.000 claims abstract description 13
- 230000009977 dual effect Effects 0.000 claims abstract description 4
- 230000006855 networking Effects 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 4
- 230000000737 periodic effect Effects 0.000 claims description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000009545 invasion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/18—Network architectures or network communication protocols for network security using different networks or channels, e.g. using out of band channels
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer And Data Communications (AREA)
Abstract
The invention discloses a kind of network switching control systems of LED large-size screen monitors player, including LED large screen playback equipment (hereinafter referred to as playback equipment) and network control module, the playback equipment, the equipment of common host computer is selected, the network control module includes network interface card, the network switch, single-chip microcontroller.Beneficial effect: LED large-size screen monitors player uses dual communication link, one link connects external network for playback equipment, an other link is used to control the connection and disconnection of playback equipment network, realizes operator and stays indoors the network of i.e. switchable LED large-size screen monitors playback equipment；Due to during not remote operation, the playback equipment network of LED large-size screen monitors player is thoroughly closed, its safety for broadcasting information greatly improves, since the communication between network control module and server is encryption, even if there is hacker successfully to invade interchanger, single-chip microcontroller can also close the port that interchanger is connect with playback equipment signal immediately, and LED large-size screen monitors player is allowed to be in the network environment of a safety.
Description
Technical field
The present invention relates to the network switching control systems of media information distribution technology more particularly to LED large-size screen monitors player.
Background technique
In the city of modernization, LED large screen player all largely selects the equipment of host computer as playback equipment,
Picture is exported, by playing on LED large screen using the video card of host computer, and the user of this LED large screen player is (following
Abbreviation user) need to remotely operate playback equipment, and playback equipment is opened for a long time, network be easier by
The invasion of hacker is most probably issued some illegal texts, picture, video by hacker and is played on LED large screen, causes severe
It influences.Because playback equipment itself can not determine when to need opening network, when need to close network, playing
Equipment needs a kind of automatic opening network when remotely operating, and network-based control system can be automatically closed.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of network switching control systems of LED large-size screen monitors player, lead to
It crosses using network control module, control enters the open and close of playback equipment network signal, reaches the mesh for broadcasting information security
's.
The technical scheme of the invention to solve the technical problem is: a kind of network switching of LED large-size screen monitors player
Control system, including LED large screen playback equipment (hereinafter referred to as playback equipment) and network control module, the broadcasting are set
It is standby, the equipment of common host computer is selected, the network control module includes network interface card, the network switch, single-chip microcontroller.
The network switch external connection external network internally connects network interface card, single-chip microcontroller and playback equipment.
The network interface card internally connects single-chip microcontroller by network switch external connection server signal.
The single-chip microcontroller receives the data packet that server issues, and is responsible for the encrypted packet that decryption server issues and divides
Analyse its content, judge whether network needs to open or close according to the content of data packet, by interchanger publication order, it is right
It carries out and opens or closes in the port that interchanger is connect with playback equipment signal；The single-chip microcontroller contains timer, and timer is fixed
Phase checks the state that interchanger and playback equipment signal connection end mouth open or close, and discovery interchanger and playback equipment signal connect
It connects and closes interchanger immediately when port is in the open state and server issues the data packet of opening network not in time and set with broadcasting
The port of standby signal connection.
When the booting of LED large-size screen monitors player, network control module is to close interchanger and playback equipment signal connection end mouth
, to guarantee the safety of playback equipment network.The network interface card and server signal is in connection status, and periodic communication, phase
Newest network switching instruction to be obtained.
When user needs to remotely operate, one " playback equipment is needed to network " is sent to server by remote software
Instruction, the networking instruction that server generates an encryption are sent to network interface card, and network interface card sends an instruction to single-chip microcontroller, single-chip microcontroller decryption
Data packet, it is known that user needs to connect equipment, the port open that instruction interchanger is connect with playback equipment signal, and user can lead to
It crosses remote control software and is directly connected to playback equipment, remotely operated.
During user's remote operation, remote software can periodically send the instruction of " playback equipment is needed to network " to service
Device, the networking instruction for making server generate encryption are sent to network interface card, and network interface card sends an instruction to single-chip microcontroller, single-chip microcontroller ciphertext data
Packet, it is known that user needs to keep playback equipment connected state, and the port for connecting interchanger with playback equipment signal is kept it turning on
State, so that user can continue to remotely operate.
When user no longer needs to remotely operate, one is sent to server by remote software and " needs playback equipment disconnected
The instruction of net " simultaneously closes remote software, and the suspension instruction that server generates an encryption is sent to network interface card, and network interface card sends instruction
To single-chip microcontroller, single-chip microcontroller decrypted data packet, it is known that user needs to disconnect network, and instruction interchanger is connect with playback equipment signal
Port shutdown, the signal between playback equipment and interchanger just thoroughly disconnect.
When the remote software of user breaks down, does not continue timing to server and send " playback equipment is needed to network "
It instructing, timer can be detected periodically in the single-chip microcontroller, once discovery user is not further continued for sending networking instruction, then
When timer timing reaches time-out, the port that interchanger is connect with playback equipment signal can be actively closed, to guarantee to broadcast
Put the network security of equipment.
Present invention employs dual communication link, a link connects external network for playback equipment, in addition a link
For controlling the connection and disconnection of playback equipment network, due to using individual network interface card and server communication, network switching
Delay was less than 0.1 second, and the delay of automatic protection playback equipment network is also no more than 10 seconds when user remote software failure.
Beneficial effect: LED large-size screen monitors player uses dual communication link, and a link is external for playback equipment connection
Network, in addition a link is used to control the connection and disconnection of playback equipment network, thoroughly solves outer in playback equipment connection
Portion's network close after, operator must arrive live the problem of could opening external network, realize operator and stay indoors
The network of i.e. switchable LED large-size screen monitors playback equipment, personnel's timeliness greatly improve.
Since during not remote operation, the playback equipment network of LED large-size screen monitors player is thoroughly closed, letter is broadcasted
The safety of breath greatly improves, due to the communication between network control module and server be encryption, hacker be difficult to forge and
It distorts, even if there is hacker successfully to invade interchanger, single-chip microcontroller can also close the end that interchanger is connect with playback equipment signal immediately
Mouthful, allow LED large-size screen monitors player to be in the network environment of a safety.
Detailed description of the invention
Fig. 1 a kind of primary structure and working principle diagram of the network switching control system of LED large-size screen monitors player.
Specific embodiment
Below in conjunction with attached drawing and one embodiment, present invention is further described in detail.
As shown, a kind of network switching control system of LED large-size screen monitors player, selects host computer dress in playback equipment
Network control module is increased on the basis of standby, network control module is the integrated circuit communicated of one piece of independent work, specially
For data communication and switching network, the network control module includes network interface card, the network switch, single-chip microcontroller.
The network switch external connection external network internally connects network interface card, single-chip microcontroller and playback equipment.
The network interface card internally connects single-chip microcontroller by network switch external connection server signal.
The single-chip microcontroller receives the data packet that server issues, and is responsible for the encrypted packet that decryption server issues and divides
Analyse its content, judge whether network needs to open or close according to the content of data packet, by interchanger publication order, it is right
It carries out and opens or closes in the port that interchanger is connect with playback equipment signal；The single-chip microcontroller contains timer, and timer is fixed
Phase checks that the port open or closed state that interchanger is connect with playback equipment signal, discovery interchanger and playback equipment signal connect
It connects and closes interchanger immediately when port is in the open state and server issues the data packet of opening network not in time and set with broadcasting
The port of standby signal connection.
When the booting of LED large-size screen monitors player, network control module is the end closing interchanger and connecting with playback equipment signal
Mouthful, to guarantee the safety of playback equipment network.The network interface card is connect with server signal, and periodic communication, is expected
Obtain newest network switching instruction.
When user needs to remotely operate, one " playback equipment is needed to network " is sent to server by remote software
Instruction, the networking instruction that server generates an encryption are sent to network interface card, and network interface card sends an instruction to single-chip microcontroller, single-chip microcontroller decryption
Data packet, it is known that user needs to connect equipment, and the port that interchanger is connect with playback equipment signal is switched on, and user can pass through
Remote control software is connected to playback equipment, is remotely operated.
During user's remote operation, remote software can periodically send the instruction of " playback equipment is needed to network " to service
Device, the networking instruction that server can generate encryption are sent to network interface card network interface card and send an instruction to single-chip microcontroller, single-chip microcontroller ciphertext data
Packet, it is known that user needs to keep playback equipment connected state, and the port connecting with playback equipment signal of changing planes is kept it turned on,
So that user can continue to remotely operate.
When user no longer needs to remotely operate, one is sent to server by remote software and " needs playback equipment disconnected
The instruction of net " simultaneously closes remote software, and the suspension instruction that server generates an encryption is sent to network interface card, and network interface card sends instruction
To single-chip microcontroller, single-chip microcontroller decrypted data packet, it is known that user needs to disconnect network, the end connecting to interchanger with playback equipment signal
Closing is applied in cause for gossip, and the signal between playback equipment and interchanger just thoroughly disconnects.
When the remote software of user breaks down, does not continue timing to server and send " playback equipment is needed to network "
It instructing, timer can be detected periodically in the single-chip microcontroller, once discovery user is not further continued for sending networking instruction, then
When timer timing reaches time-out, the port that interchanger connect with playback equipment signal can be also actively closed, to guarantee
The network security of playback equipment.
The technology of the present invention due to using individual network interface card and server communication, used less than 0.1 second by the delay of network switching
The delay of automatic protection playback equipment network is also no more than 10 seconds when family remote software failure.
Claims (6)
1. a kind of network switching control system of LED large-size screen monitors player, including LED large screen playback equipment (hereinafter referred to as play
Equipment) and network control module, the playback equipment, select the equipment of common host computer, the network control module
Including network interface card, the network switch, single-chip microcontroller.
2. a kind of network switching control system of LED large-size screen monitors player as described in claim 1, it is characterised in that: described
Network switch external connection external network, internally connect network interface card, single-chip microcontroller and playback equipment.
3. a kind of network switching control system of LED large-size screen monitors player as described in claim 1, it is characterised in that: described
Network interface card by network switch external connection server signal, internally connect single-chip microcontroller.
4. a kind of network switching control system of LED large-size screen monitors player as described in claim 1, it is characterised in that: described
Single-chip microcontroller receive the data packet that issues of server, be responsible for the encrypted packet that decryption server issues and simultaneously analyze its content, root
Judge whether network needs to open or close according to the content of data packet, by interchanger publication order, to interchanger with broadcast
The port for putting device signal connection, which is carried out, to be opened or closed；The single-chip microcontroller contains timer, and timer inspects periodically exchange
The state that machine and playback equipment signal connection end mouth open or close, discovery interchanger are in playback equipment signal connection end mouth
Open state and when server issues the data packet of opening network not in time, close interchanger immediately and connect with playback equipment signal
Port.
5. a kind of network switching control system of LED large-size screen monitors player as described in claim 1, it is characterised in that: when LED is big
When shielding player booting, network control module is to close interchanger and playback equipment signal connection end mouth, is set with guaranteeing to play
The safety of standby network, the network interface card and server signal are in connection status, and periodic communication, expect to obtain newest network
Switch order；When user needs to remotely operate, one " playback equipment is needed to network " is sent to server by remote software
Instruction, server generate one encryption networking instruction is sent to network interface card, network interface card sends an instruction to single-chip microcontroller, single-chip microcontroller solution
Ciphertext data packet, it is known that user needs to connect equipment, the port open that instruction interchanger is connect with playback equipment signal, user
It is directly connected to playback equipment by remote control software, is remotely operated；During user's remote operation, remote software
The instruction of " playback equipment is needed to network " can periodically be sent to server, the networking instruction for making server generate encryption is sent to net
Card, network interface card send an instruction to single-chip microcontroller, single-chip microcontroller decrypted data packet, it is known that and user needs to keep playback equipment connected state,
The port for connecting interchanger with playback equipment signal is kept it turned on, so that user can continue to remotely operate；Work as user
When no longer needing to remotely operate, the instruction and closing of one " needing playback equipment suspension " are sent to server by remote software
Remote software, the suspension instruction that server generates an encryption are sent to network interface card, and network interface card sends an instruction to single-chip microcontroller, single-chip microcontroller
Decrypted data packet, it is known that user needs to disconnect network, the port shutdown that instruction interchanger is connect with playback equipment signal, and broadcasting is set
The standby signal between interchanger just thoroughly disconnects；When the remote software of user breaks down, timing is not continued to server
The instruction of " playback equipment is needed to network " is sent, timer can be detected periodically in the single-chip microcontroller, once discovery user
Be not further continued for sending networking instruction, then when timer timing reaches time-out, interchanger can be actively closed and broadcasting is set
The port of standby signal connection, to guarantee the network security of playback equipment.
6. a kind of network switching control system of LED large-size screen monitors player as described in claim 1, it is characterised in that: this hair
Bright to use dual communication link, a link connects external network for playback equipment, and in addition a link is played for controlling
The connection and disconnection of device network, due to using individual network interface card and server communication, the delay of network switching is less than 0.1
Second, the delay of automatic protection playback equipment network is also no more than 10 seconds when user remote software failure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910667071.XA CN110225066A (en) | 2019-07-23 | 2019-07-23 | A kind of network switching control system of LED large-size screen monitors player |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910667071.XA CN110225066A (en) | 2019-07-23 | 2019-07-23 | A kind of network switching control system of LED large-size screen monitors player |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110225066A true CN110225066A (en) | 2019-09-10 |
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|---|---|---|---|
| CN201910667071.XA Pending CN110225066A (en) | 2019-07-23 | 2019-07-23 | A kind of network switching control system of LED large-size screen monitors player |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111199663A (en) * | 2020-03-11 | 2020-05-26 | 上海尤普科技发展有限公司 | Device and system for remotely controlling intelligent blackboard through mobile terminal |
-
2019
- 2019-07-23 CN CN201910667071.XA patent/CN110225066A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111199663A (en) * | 2020-03-11 | 2020-05-26 | 上海尤普科技发展有限公司 | Device and system for remotely controlling intelligent blackboard through mobile terminal |
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Application publication date: 20190910 |
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