CN216719410U - Display system - Google Patents
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- CN216719410U CN216719410U CN202220194412.3U CN202220194412U CN216719410U CN 216719410 U CN216719410 U CN 216719410U CN 202220194412 U CN202220194412 U CN 202220194412U CN 216719410 U CN216719410 U CN 216719410U
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Abstract
The utility model discloses a display system, and belongs to the technical field of display. The display system comprises a splicer, a main sending card, a standby sending card, a first box body and a second box body, wherein the main sending card is connected with the standby sending card through a switch; the splicer respectively sends signal sources to the main sending card and the standby sending card, and the first box body and the second box body are spliced into a display screen box body. This application passes through the splicer is respectively to main sending card and reserve sending card transmission signal source, first box is connected to main sending card, the second box that reserve sending card was connected, and carry out signal connection interaction through the switch between main sending card and the reserve sending card, so main, reserve sending card is respectively with the two net gape connected channel that display screen box output connection formed, can effectively ensure the high reliability that the cable is connected, thereby can effectively guarantee the high stability that the display screen shows, avoid the display screen to show unstability, the condition of black screen appears.
Description
Technical Field
The utility model relates to the technical field of display, in particular to a display system.
Background
With the gradual maturity of the small-spacing LED technology, the application of the LED display screen is more and more extensive, and by virtue of the excellent display effect of the LED, the LED display screen with higher resolution and higher specification is widely applied to important places such as heavy conference centers, monitoring centers, airport halls, commercial square centers and sports meetings, and the application of the important places promotes the continuous development and upgrading of the LED display screen control system. The launching of new LED products, the use of high precision control devices, and the pursuit of excellent and concomitant display effects are all requirements for high stability of the display effect of LED display screens, because under these important occasions, once the main LED screen appears black, it will cause political events or significant international impact in some domestic occasions. Therefore, the overall display stability of the LED display screen is a key index for the primary assessment of a user, and the LED display screen cannot be randomly blacked.
In order to solve the problem that the LED display screen cannot be blacked out at will, a redundant design of a sending card and a receiving card of a control system, a dual-computer backup of the sending card and the receiving card, and a dual-network-port backup application are also well-developed. However, in the existing dual-transmitting card backup design, when the main device fails or has signal interruption, the redundant digital signal source cannot be automatically switched to, and all the devices need to be manually switched or when no main device is switched due to a network cable failure, abnormal conditions such as black screen and the like are still caused, and the normal use of the LED display screen is seriously affected.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a display system, and aims to solve the problems that the existing LED display screen has poor display stability and cannot automatically switch redundant digital signal sources when a fault or signal interruption occurs.
In order to achieve the purpose, the utility model provides a display system, which comprises a splicer, a main sending card and a standby sending card, a first box body and a second box body, wherein the main sending card and the standby sending card are respectively connected with the splicer; the splicer sends signal sources to the main sending card and the standby sending card respectively, and the first box body and the second box body are spliced into a display screen box body.
Optionally, the main transmitting card is provided with a first output network port, the first box body is provided with a first wire inlet, and the first output network port is connected with the first wire inlet through a network cable.
Optionally, the standby transmitting card has a second output network port, the second box has a second line inlet, and the second output network port is connected to the second line inlet through a network cable.
Optionally, the main transmitting card has a first LAN port, the standby transmitting card has a second LAN port, and the first LAN port and the second LAN port are respectively connected to an interface of the switch.
Optionally, the display screen box body includes a receiving card, and the receiving card is connected to the first wire inlet and the second wire inlet respectively.
Optionally, the signal source includes a first input signal source and a second input signal source.
Optionally, the first input signal source is an HDMI signal source, and the second input signal source is a DVI signal source.
Optionally, the display system further includes a control card and software for controlling the display system, the control card is disposed on the display screen box, and the software is disposed on the user terminal and controls the data attribute setting and the network setting of the display system through the software.
Optionally, the data attribute setting of the display system includes: signal source input setting, network port output and priority setting, color setting and HDR setting; the network settings include IP address settings.
Optionally, the Master sending card issues Master side input signal data through the MQTT component, and the Backup sending card issues Backup side input signal data through the MQTT component.
According to the display system provided by the embodiment of the utility model, the signal source is respectively sent to the main sending card and the standby sending card through the splicer, the first box body connected with the main sending card is connected with the second box body connected with the standby sending card, and the main sending card and the standby sending card are in signal connection and interaction through the switchboard, so that the main sending card and the standby sending card are respectively connected with the output of the display screen box body to form the double-network-port connecting channel, the high reliability of cable connection can be effectively guaranteed, the high stability of display of the display screen can be effectively guaranteed, and the situations that the display of the display screen is unstable and the display of the display screen is dark are avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic diagram of a display system according to an embodiment of the present invention;
fig. 2 is a schematic diagram of the operation of the display system shown in fig. 1.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
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.
As shown in fig. 1 to 2, fig. 1 is a schematic structural diagram of an embodiment of a display system of the present invention; fig. 2 is a schematic diagram of the operation of the display system shown in fig. 1. Only the portions related to the present embodiment are shown for convenience of explanation.
Referring to fig. 1 and fig. 2, an embodiment of the present application provides a display system, in this embodiment, the display system includes a splicer 10, a Master transmission card (Master)20 and a Backup transmission card (Backup)30 respectively connected to the splicer 10, a first box 41 connected to the Master transmission card, and a second box 42 connected to the Backup transmission card, where the Master transmission card 20 and the Backup transmission card 30 are connected through a switch 50; the splicer 10 respectively sends signal sources to the main sending card 20 and the standby sending card 30, and the first box 41 and the second box 42 are spliced into a display screen box 40.
This application embodiment the display system, through splicer 10 respectively to main sending card 20 and reserve sending card 30 send the signal source, the first box 41 that main sending card 20 is connected, the second box 42 that reserve sending card 30 is connected, just main sending card 20 with carry out the signal connection interaction through switch 50 between the reserve sending card 30, so main, reserve sending card respectively with the two net gape connected passageways that display screen box 40 output connection formed, can effectively ensure the high reliability of cable connection to can effectively guarantee the high stability that the display screen shows, avoid the display screen to show unstably, the condition of black screen appears.
In an embodiment, specifically, the main transmitting card 20 has a first output network port, and the first box 41 has a first wire inlet, and the first output network port is connected to the first wire inlet through a network cable.
In an embodiment, specifically, the standby card 30 has a second output network port, and the second box 42 has a second wire inlet, and the second output network port is connected to the second wire inlet through a network cable.
In one embodiment, the primary transmission card 20 has a first LAN port, the backup transmission card 30 has a second LAN port, and the first LAN port and the second LAN port are connected to an interface of the switch 50. Thus, the main transmitting card 20 and the standby transmitting card 30 are connected to the switch 50 through the first LAN port and the second LAN port, respectively, after the main transmitting card 20 is configured, the main transmitting card Master20 and the standby transmitting card Backup30 sides can use MQTT components to respectively subscribe Topic (Topic) of the other side, and after the standby transmitting card Backup30 side periodically synchronizes the database of Redis of the main transmitting card Master20 side, the standby transmitting card Backup side generates network port Backup output.
Therefore, when the main sending card and the standby sending card are paired and set, the configuration of the main sending card is only required to be set, and the standby sending card can be synchronized through the MQTT component, so that the configuration operation of the main sending card and the standby sending card can be completed, the configuration operation of the standby sending card does not need to be additionally and independently set, and the problems of complexity and inconsistency of setting can be effectively avoided.
In an embodiment, the display screen box 40 includes a receiving card, and the receiving card is connected to the first wire inlet and the second wire inlet respectively to receive the signal source input by the first wire inlet and the second wire inlet.
In an embodiment, the signal source comprises a first input signal source and a second input signal source. In this embodiment, the first input signal source is an HDMI signal source, and the second input signal source is a DVI signal source.
The splicer 10 respectively outputs the HDMI signal source or DVI signal source to the main transmitting card 20 and the standby transmitting card 30, and the main transmitting card 20 and the standby transmitting card 30 receive the HDMI signal source or DVI signal source and then output the HDMI signal source or DVI signal source to the display screen box 40 through the output network port.
In an embodiment, the LED display screen system further includes a control card and software for controlling the display system, the control card is disposed on the display screen box, the software is disposed on a user terminal, and a user controls data attribute setting and network setting of the display system through the software.
Specifically, the data attribute setting of the display system includes: signal source input setting, network port output and priority setting, color setting and HDR setting; the network settings include IP address settings.
Specifically, the HDMI signal source or the DVI signal source can be selected to be input through the signal source input setting; the signal source output by the first incoming line is set to be prior to the signal source output by the second incoming line through the network port output priority, when the display system is in a normal working state without faults, the receiving card is used for preferentially receiving the signal source output by the first incoming line, and only when a certain path of output network port of the main transmitting card 20 is disconnected, the receiving card is used for receiving the signal source output by the second incoming line.
When the display system provided by the embodiment of the application is used, when no fault occurs in the system, the output network ports of the first and second network ports of the double-network port formed by the respective output connection of the main and standby sending cards and the display screen box respectively contain effective video data, the receiving card can preferentially select the first network port to be effective, only when one path of output network port of the main sending card 20 is disconnected, the receiving card selects the second network port to be effective, and when a fault link is recovered, the normal and fault-free state is switched to receive the output video data of the first network port. Therefore, through the priority setting of the output network ports, when the network ports on the sides of the main transmitting card 20 and the standby transmitting card 30 have disconnection faults, the normal display of the display screen is not influenced.
In an embodiment, the method further comprises the step of setting the priority of the signal source, according to the priority of the digital signal source, when the working signal source is interrupted and other digital signal loops have video signals, the signal in the sending card is selected to be rapidly switched to other homologous digital signal inputs, and the other sending cards which are mutually active and standby are informed.
In this embodiment, for example, the HDMI signal source may be preferentially set as a first input signal source, the DVI signal source may be set as a second input signal source, and when the first input signal source is unstable and fails, the signal in the sending card is automatically switched to the second input signal source, and the sending card is notified to another sending card which is a master and a slave. In this embodiment of the application, it may be set that whether the input condition of the signal source is normal is detected once at an interval of 10S.
When all digital signal sources of a single transmitting card are lost, the control stops all network port outputs of the transmitting card.
Furthermore, the user can adjust the display color and the display brightness effect of the display screen through the color and HDR setting, so that the display screen has a better picture image display effect.
In one embodiment, the display system may be an LED display system.
In the embodiment of the application, a main transmitting card is configured conventionally, and local Redis data is generated on one side of the main transmitting card according to information such as signal input setting, network card output and priority setting, color setting, HDR setting and the like. After the Master of the main sending card is configured, the Master of the main sending card and the Backup side of the standby sending card respectively subscribe to Topic of the other side by adopting MQTT, and the Backup side of the standby sending card generates Backup output of a network port of the Backup side of the standby sending card after periodically synchronizing a database of Redis of the Master of the main sending card.
Referring to fig. 2, which is a schematic diagram of an operation of the display system according to the embodiment of the present application, a detailed operation process of the display system according to the present application will be described with reference to the drawings.
Firstly, setting data information attribute of a main sending card and setting an IP address of a standby machine, and synchronizing the data information attribute of the main sending card and setting the IP address of the main machine by the standby sending card.
And performing conventional configuration setting on a main transmitting card, and generating local Redis data by a Master side of the main transmitting card according to signal input source setting, screen configuration port output setting, color setting, HDR setting and the like. Then, different work control processing is carried out according to the running state of the main sending card, and the running state of the main sending card specifically comprises the following steps: the method comprises the steps of obtaining the network port output state of a main transmitting card, obtaining the input signal source state of the main transmitting card and detecting the online state of the main transmitting card, and carrying out the following working processing by a system according to different states of the main transmitting card.
When the main sending card and the standby sending card are both in a normal working mode:
after the Master of the main sending card is configured, the Master of the main sending card and the Backup side of the Backup sending card respectively subscribe to Topic of the other side by adopting MQTT, and the Backup side of the Backup sending card periodically and synchronously sends a database of Redis of the Master of the main sending card, namely a network port of the Backup side of the Backup sending card generates Backup output.
When the main transmitting card is in an abnormal working mode:
assume that the first input signal source of the transmitting card is HDMI (high definition multimedia interface), and the second input signal source is DVI (digital visual interface).
(1) When the input signal source is normal: when only the network port output of the Master side of the main transmitting card is disconnected, the corresponding network port output of the Backup side of the standby transmitting card is normal, and the display of the LED display screen is not influenced; the system sends out fault information about the disconnection of the Master side network port output of the main sending card to the user.
(2) When the Master side HDMI signal of the main transmitting card is lost: the Master side of the main transmitting card issues Master side input signal data through an MQTT component, and controls to close the output of a Master side network port of the main transmitting card, and the Backup transmitting card outputs normally corresponding to the network port without influencing the display of the display screen, so that the black screen of the display screen can be avoided, and the display stability of the display screen can be ensured; the system sends out fault information about loss of HDMI signals on the Master side of the main sending card.
(3) When the HDMI signals of the Master side and the Backup side of the main transmitting card are lost: the Master side of the main transmitting card and the Backup side of the standby transmitting card issue respective input signal data through the MQTT component, if the setting can be switched to a DVI signal source, and when DVI signals are normal, the transmitting card is automatically switched to DVI signal processing. The system sends fault information about HDMI signal loss of the Master side and the Backup side of the main transmitting card to a user.
(4) When the Master side of the main transmitting card is in an off-line state: and the Master side of the main transmitting card receives the advice information of the Master side of the main transmitting card through the MQTT component, and the Backup side of the standby transmitting card keeps the current setting state. The system sends a fault message to the user about the loss of the Master side contact signal of the primary sending card.
According to the display system, the input signals of the main sending card and the standby sending card and the operation condition of the output network port are monitored, the backup function can be intelligently realized when a fault occurs, the fault event message can be timely prompted to a user or operation and maintenance personnel, a basis is provided for rapidly repairing the existing fault, and the operation of the display system is reliably guaranteed.
This application embodiment display system, through the splicer respectively to main hairpin and reserve hairpin sending signal source, the first box that main hairpin connects, the second box that reserve hairpin connects, just main hairpin with carry out the signal connection interaction through the switch between the reserve hairpin, so main, reserve hairpin are connected with the double-network mouth that display screen box output connection formed respectively, can effectively ensure the high reliability of cable connection, and main hairpin Master side and reserve hairpin side issue separately input signal data through the MQTT subassembly and can set up the automatic switch-over data signal according to the signal source priority to can effectively guarantee the high stability that the display screen shows, avoid the display screen to show unstability, the condition of black screen appears.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A display system is characterized by comprising a splicer, a main sending card and a standby sending card which are respectively connected with the splicer, a first box body connected with the main sending card and a second box body connected with the standby sending card, wherein the main sending card is connected with the standby sending card through a switch; the splicer sends signal sources to the main sending card and the standby sending card respectively, and the first box body and the second box body are spliced into a display screen box body.
2. The display system of claim 1, wherein the main transmitting card has a first output network port, the first box has a first wire inlet, and the first output network port is connected to the first wire inlet through a network cable.
3. The display system of claim 2, wherein the standby card has a second output port, the second housing has a second input port, and the second output port is connected to the second input port via a cable.
4. The display system according to claim 3, wherein the main transmission card has a first LAN port, the auxiliary transmission card has a second LAN port, and the first LAN port and the second LAN port are connected to an interface of the switch, respectively.
5. The display system of claim 3, wherein the display screen box comprises a receiving card, and the receiving card is connected with the first wire inlet and the second wire inlet respectively.
6. The display system of any one of claims 1-5, wherein the signal source comprises a first input signal source and a second input signal source.
7. The display system of claim 6, wherein the first input signal source is an HDMI signal source and the second input signal source is a DVI signal source.
8. The display system of claim 7, further comprising a control card and software for controlling the display system, wherein the control card is disposed on the display screen box, and the software is disposed on the user terminal, and controls data attribute setting and network setting of the display system through the software.
9. The display system of claim 8, wherein the data attribute settings of the display system comprise: signal source input setting, network port output and priority setting, color setting and HDR setting; the network settings include IP address settings.
10. The display system of claim 9, wherein the main transmitting card issues Master-side input signal data through the MQTT component, and the standby transmitting card issues Backup-side input signal data through the MQTT component.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220194412.3U CN216719410U (en) | 2022-01-21 | 2022-01-21 | Display system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220194412.3U CN216719410U (en) | 2022-01-21 | 2022-01-21 | Display system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216719410U true CN216719410U (en) | 2022-06-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220194412.3U Active CN216719410U (en) | 2022-01-21 | 2022-01-21 | Display system |
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| CN (1) | CN216719410U (en) |
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2022
- 2022-01-21 CN CN202220194412.3U patent/CN216719410U/en active Active
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