CN213367954U - Sending card and display control system - Google Patents
Sending card and display control system Download PDFInfo
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- CN213367954U CN213367954U CN202022115714.0U CN202022115714U CN213367954U CN 213367954 U CN213367954 U CN 213367954U CN 202022115714 U CN202022115714 U CN 202022115714U CN 213367954 U CN213367954 U CN 213367954U
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Abstract
The utility model is suitable for a display screen technical field provides a sender card and display control system, wherein the sender card includes first treater, the display memory, multimedia data input interface, at least one shows drive signal output interface, through independently coming out from display control system with the sender card, in order to realize becoming an independent device with the general sender card part integration that nevertheless the research and development degree of difficulty is big among the display control system, can realize that a sender card integrates and utilizes in the display control system of multiple difference, the compatibility between the display control system of sender card and non-correspondence has been promoted.
Description
Technical Field
The utility model belongs to the technical field of the display screen, especially, relate to a send card and display control system.
Background
The display control system is used for driving the display screen, the sending cards included by the display control system are used for connecting and transmitting display driving signals to the display screen, the display control system on the market is basically independently completed by research and development teams of companies, and each display control system is provided with one corresponding sending card, so that the compatibility between the sending cards and non-corresponding display control systems is poor.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a send card and display control system to solve each kind of display control system and all possess a send card that corresponds, lead to the poor problem of compatibility between send card and the non-corresponding display control system.
A first aspect of the embodiments of the present invention provides a transmitting card, including a first processor, a video memory, a multimedia data input interface, and at least one display driving signal output interface, where at least one of the display driving signal output interfaces includes an RS485 interface and an IO interface board;
the first processor is respectively connected with the display memory, the multimedia data input interface and at least one display driving signal output interface;
the first processor is used for processing the multimedia data acquired by the multimedia data input interface into a display driving signal and storing the display driving signal in the video memory.
In one embodiment, the first processor comprises a control interface;
the control interface is used for controlling the display driving signal to be output through the display driving signal output interface.
In one embodiment, the transmitting card includes at least two of the display driving signal output interfaces.
In one embodiment, the at least two display driving signal output interfaces comprise a first gigabit port;
the first gigabit network port is connected with the first processor;
the first gigabit network port is used for directly outputting the display driving signal.
In one embodiment, the at least two display driving signal output interfaces comprise a second gigabit port;
the second gigabit network port is connected with the first processor;
and the second gigabit network port is used for outputting the display driving signal when the first gigabit network port fails.
In one embodiment, the transmitter card further comprises a first transformer;
the first transformer is connected with the first gigabit network port;
the first transformer is used for amplifying the display driving signal when the first gigabit network port outputs the display driving signal so as to perform anti-interference protection on the display driving signal and increase the transmission distance.
In one embodiment, the transmitter card further comprises a second transformer;
the second transformer is connected with the second gigabit network port;
and the second transformer is used for amplifying the display driving signal when the second gigabit network port outputs the display driving signal so as to perform anti-interference protection on the display driving signal and increase the transmission distance.
In one embodiment, the transmitting card comprises at least one video memory.
A second aspect of embodiments of the present invention provides a display control system, comprising a display control device and a transmitting card as described in the first aspect of embodiments of the present invention;
the display control device is connected with the multimedia data input interface of the sending card;
the display control device is used for outputting the multimedia data to the sending card.
The utility model discloses the first aspect of embodiment provides a send card, through with first treater, the video memory, multimedia data input interface, at least one shows that drive signal output interface independently comes out from showing control system, but the realization is with showing that the general send card part integration that the research and development degree of difficulty is big among the control system becomes an independent device, can realize that a send card integrates and utilizes in the display control system of multiple difference, has promoted the compatibility between send card and the non-corresponding display control system.
The utility model discloses the display control system that the second aspect of embodiment provided, including sending card and display control device, the sending card is through reading the multimedia data that display control device sent and handling for showing drive signal, can utilize the display drive signal output interface of difference to export the display screen of different models, has promoted the flexibility that display control system dealt with different application scenes.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a first schematic structural diagram of a transmitting card according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of a transmitting card according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a third exemplary embodiment of a transmitting card;
fig. 4 is a schematic diagram of a fourth structure of a transmitting card according to an embodiment of the present invention;
fig. 5 is a schematic diagram of a fifth structure of a transmitting card according to an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a display control system according to an embodiment of the present invention;
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth, such as particular system structures, techniques, etc. in order to provide a thorough understanding of the embodiments of the invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present invention with unnecessary detail.
It should be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It should also be understood that the term "and/or" as used in the specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
As used in the specification and the appended claims, the term "if" may be interpreted contextually as "when", "upon" or "in response to a determination" or "in response to a detection". Similarly, the phrase "if it is determined" or "if a [ described condition or event ] is detected" may be interpreted contextually to mean "upon determining" or "in response to determining" or "upon detecting [ described condition or event ]" or "in response to detecting [ described condition or event ]".
Furthermore, in the description of the present invention and the appended claims, the terms "first," "second," "third," and the like are used for distinguishing between descriptions and not necessarily for describing or implying relative importance.
Reference throughout this specification to "one embodiment" or "some embodiments," or the like, means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the present invention. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," or the like, in various places throughout this specification are not necessarily all referring to the same embodiment, but rather "one or more but not all embodiments" unless specifically stated otherwise. The terms "comprising," "including," "having," and variations thereof mean "including, but not limited to," unless expressly specified otherwise.
An embodiment of the utility model provides a send card and display control system is applied to LED (Light Emitting Diode) display screen, can drive and control the LED display screen.
As shown in fig. 1, a transmitting card 10 provided in the embodiment of the present invention includes a first processor 11, a video memory 12, a multimedia data input interface 13, and at least one display driving signal output interface 14;
the first processor 11 is respectively connected with the video memory 12, the multimedia data input interface 13 and at least one display driving signal output interface 14;
the first processor 11 is configured to process the multimedia data acquired by the multimedia data input interface 13 into a display driving signal and store the display driving signal in the video memory 12.
In application, the first processor receives multimedia data through the multimedia data input interface, compresses the multimedia data into display driving signals, and sends the display driving signals to one or more display screens through at least one display driving signal interface. Specifically, a display screen can be connected through a display driving signal interface; the display driving signal interface can be connected with a display screen, and the display screen transmits the display driving signal in series through a receiving card; the display driving signal transmission mode can be realized through a plurality of display driving signal interfaces.
In an application, the multimedia data is specifically data for playing on a display screen, for example, audio data, video data, image data, text data, and the like. When the display screen is a traffic display screen, the multimedia data is specifically data for traffic indication; when the display screen is an advertisement screen, the multimedia data may specifically be data for performing advertisement. The traffic display screen includes, but is not limited to, a display screen for indicating traffic of vehicles such as automobiles, subways, airplanes and ships, and can also be an advertisement screen or a route indication screen positioned inside the vehicles. Advertising screens include, but are not limited to, display screens located in vehicles, outdoor venues (e.g., roads, squares, stadiums), indoors, etc.
In an application, the first processor may be an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, or the like. For example, EP4CE10F17C8N chip, and the embodiment of the present invention does not limit the specific type of the first processor.
In using, first treater can external video memory chip, the embodiment of the utility model provides a do not do any restriction to the concrete type of video memory chip.
As shown in fig. 2, in one embodiment, the first processor 11 in the transmitting card 10 includes a control interface 15;
the control interface 15 is used for controlling the display driving signal to be output through the display driving signal output interface.
In application, the control interface may be further configured to set a compression code rate when the first processor performs compression processing on the multimedia data; the utility model discloses can also be used for the inquiry to show the operating condition of drive signal output interface, wherein, the operating condition who shows drive signal output interface can include normal work, signal transmission interrupt, interface trouble etc. the embodiment of the utility model provides a do not do any restriction to the concrete application of control interface.
As shown in fig. 3, in one embodiment, the transmitting card 10 includes at least two display driving signal output interfaces 14, which include a first gigabit port 141 and a second gigabit port 142;
the first gigabit port 141 and the second gigabit port 142 are connected to the first processor 11, respectively;
the first gigabit network port 141 is used for directly outputting display driving signal multimedia data;
the second gigabit port 142 is used to output a display drive signal when the first gigabit port 141 fails.
In application, the first gigabit network port is used for connecting a display screen suitable for the gigabit network port to transmit and transmitting a display driving signal, and the second gigabit network port is used as a standby interface of the first gigabit network port; specifically, when a plurality of display screens are connected, the first gigabit network port and the second gigabit network port can be respectively connected with the first display screen and the last display screen in the series display screen sequence, and if the plurality of connected display screens work normally, the first gigabit network port sends a display driving signal; if one or more display screen faults occur in the series display screen sequence, the first kilomega network port and the second kilomega network port both send display driving signals so as to ensure that the display driving signals can be controlled to flow through the display screen without faults when the transmission of the display driving signals is not interrupted by the display screen with faults.
As shown in fig. 4, according to the embodiment corresponding to fig. 3, the transmitting card further includes a first transformer 151 and a second transformer 152;
the first transformer 151 is connected to the first gigabit network port 141, and the second transformer 152 is connected to the second gigabit network port 142.
In application, the first transformer is used for amplifying the display driving signal when the display driving signal is output by the first gigabit network port so as to perform anti-interference protection on the display driving signal and increase the transmission distance; the second transformer is used for amplifying the display driving signal when the display driving signal is output by the second gigabit network port so as to perform anti-interference protection on the display driving signal and increase the transmission distance.
As shown in fig. 5, in one embodiment, the display driving signal output interface 14 in the transmitting card 10 may include at least one LCD interface such as a gigabit interface, an RS485 interface, an IO interface, and the like. Specifically, the combination may be a first gigabit port 141, a second gigabit port 142, an RS485 interface 143, and an IO interface board 144.
In application, the first display driving signal output interface 141 is used for connecting a display screen suitable for the display driving signal output interface to transmit and transmitting a display driving signal, and the second display driving signal output interface 142 is used as a standby interface of the first display driving signal output interface 141; the RS485 interface 143 is used for connecting a display screen suitable for transmission of the RS485 interface and transmitting a display driving signal; the IO interface board 144 is used to connect different types of video connection lines, specifically, video connection lines such as an LCD interface, to connect a display screen and transmit display driving signals.
The embodiment of the utility model provides a send card, through with first treater, the display is saved, multimedia data input interface, at least one show that drive signal output interface independently comes out from showing control system to the realization is with showing that general but the big send card part integration of research and development degree of difficulty becomes an independent device among the control system, can realize that a send card integrates and utilizes in the display control system of multiple difference, has promoted the compatibility between send card and the non-corresponding display control system.
As shown in fig. 6, the embodiment of the present invention further provides a display control system 100, which includes the above-mentioned one transmitting card 10 and the above-mentioned one display control apparatus 20;
the display control device 20 is connected with the multimedia data input interface of the sending card 10;
in application, the display control device is used for outputting multimedia data to the sending card.
The embodiment of the utility model provides a display control system, including sending card and display control device, the sending card is through reading the multimedia data that display control device sent and handling for showing drive signal, can utilize the display screen of different display drive signal output interface exports different models, has promoted the flexibility that display control system dealt with different application scenes.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the spirit and scope of the embodiments of the present invention, and are intended to be included within the scope of the present invention.
Claims (9)
1. A transmitting card is characterized by comprising a first processor, a display memory, a multimedia data input interface and at least one display driving signal output interface, wherein the at least one display driving signal output interface comprises an RS485 interface and an IO interface board;
the first processor is respectively connected with the display memory, the multimedia data input interface and at least one display driving signal output interface;
the first processor is used for processing the multimedia data acquired by the multimedia data input interface into a display driving signal and storing the display driving signal in the video memory.
2. The transmitter card of claim 1 wherein the first processor comprises a control interface;
the control interface is used for controlling the display driving signal to be output through the display driving signal output interface.
3. A transmitter card as recited in claim 1, wherein the transmitter card includes at least two of the display driving signal output interfaces.
4. The transmitter card of claim 3 wherein the at least two display drive signal output interfaces comprise a first gigabit port;
the first gigabit network port is connected with the first processor;
the first gigabit network port is used for directly outputting the display driving signal.
5. The transmitter card of claim 4 wherein the at least two display drive signal output interfaces comprise a second gigabit port;
the second gigabit network port is connected with the first processor;
and the second gigabit network port is used for outputting the display driving signal when the first gigabit network port fails.
6. The transmitter card of claim 4, wherein the transmitter card further comprises a first transformer;
the first transformer is connected with the first gigabit network port;
the first transformer is used for amplifying the display driving signal when the first gigabit network port outputs the display driving signal so as to perform anti-interference protection on the display driving signal and increase the transmission distance.
7. The transmitter card of claim 5, wherein the transmitter card further comprises a second transformer;
the second transformer is connected with the second gigabit network port;
and the second transformer is used for amplifying the display driving signal when the second gigabit network port outputs the display driving signal so as to perform anti-interference protection on the display driving signal and increase the transmission distance.
8. A transmitter card as recited in claim 1, wherein the transmitter card includes at least one of the video memories.
9. A display control system comprising a display control device and a transmitter card according to any one of claims 1 to 8;
the display control device is connected with the multimedia data input interface of the sending card;
the display control device is used for outputting the multimedia data to the sending card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022115714.0U CN213367954U (en) | 2020-09-23 | 2020-09-23 | Sending card and display control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022115714.0U CN213367954U (en) | 2020-09-23 | 2020-09-23 | Sending card and display control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213367954U true CN213367954U (en) | 2021-06-04 |
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| CN202022115714.0U Active CN213367954U (en) | 2020-09-23 | 2020-09-23 | Sending card and display control system |
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| CN (1) | CN213367954U (en) |
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