CN217847413U - Low-cost LED display system sends and receives integrative card - Google Patents
Low-cost LED display system sends and receives integrative card Download PDFInfo
- Publication number
- CN217847413U CN217847413U CN202221930837.2U CN202221930837U CN217847413U CN 217847413 U CN217847413 U CN 217847413U CN 202221930837 U CN202221930837 U CN 202221930837U CN 217847413 U CN217847413 U CN 217847413U
- Authority
- CN
- China
- Prior art keywords
- module
- controller
- led display
- output
- display system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
- Control Of El Displays (AREA)
Abstract
The application relates to a low-cost LED display system sends and receives integrative card, it includes PCB board, input module and output module, the input module electricity is connected with decoding module, decoding module electricity is connected with the controller, the controller with the output module electricity is connected, output module is used for being connected with LED display screen electricity, input module decoding module the controller with output module all set up in on the PCB board. The application has the following effects: the input module, the decoding module, the controller and the output module are all arranged on the same PCB, so that the sending and receiving costs of the LED display system can be reduced.
Description
Technical Field
The application relates to the field of LED display technology, in particular to a low-cost LED display system sending and receiving integrated card.
Background
At present, independent sending modules and independent receiving modules are generally adopted for sending and receiving of existing LED display systems, the sending modules include gigabit network sending parts, the receiving modules include gigabit network receiving parts, and the sending modules and the receiving modules transmit signals through the gigabit network sending parts and the gigabit network receiving parts. The sending module and the receiving module both need control chips, so at least two chips are needed, the sending module and the receiving module need respective circuit boards, and the two circuit boards are physically separated, so that the cost is high.
SUMMERY OF THE UTILITY MODEL
In order to reduce the cost of sending and receiving of the LED display system, the application provides a low-cost LED display system sending and receiving integrated card.
The application provides a low-cost LED display system sends and receives integrative card adopts following technical scheme:
a low-cost LED display system sending and receiving integrated card comprises a PCB, an input module and an output module, wherein the input module is electrically connected with a decoding module, the decoding module is electrically connected with a controller, the controller is electrically connected with the output module, the output module is used for being electrically connected with an LED display screen, and the input module, the decoding module, the controller and the output module are all arranged on the PCB;
the input module is used for outputting serial video signals, the decoding module is used for receiving the serial video signals, decoding the serial video signals and outputting parallel video signals, and the controller is used for receiving the parallel video signals and outputting the parallel video signals to the LED display screen through the output module.
By adopting the technical scheme, the input module transmits the serial video signals to the decoding module, the decoding module can decode the serial video signals into parallel video signals, the parallel video signals decoded by the decoding module are output to the LED display screen from the output module through the controller, the LED display screen plays videos, the input module, the decoding module, the controller and the output module are arranged on the same PCB, therefore, the transmission and the reception of the LED display system are not required to be realized through two circuit boards, a gigabit network transmission piece and a gigabit network receiving piece can be omitted, meanwhile, the input module and the output module are arranged on the same PCB, and the transmission and the reception cost of the LED display system can be reduced.
Preferably, the PCB board includes input area, process area and output area, the input area the process area with the output area is followed PCB board length direction distributes, just the input area with the output area is located respectively the both ends of PCB board, input module set up in the input area, output module set up in the output area, decoding module with the controller all set up in the process area.
By adopting the technical scheme, the PCB is divided into a plurality of areas through the functions of the modules, the modules are correspondingly distributed in the areas according to the functions, the maintenance of maintenance personnel on the modules is facilitated, meanwhile, the input module and the output module can avoid the decoding module and the controller as much as possible during wiring, and the influence of wiring on the decoding module and the controller can be avoided as much as possible.
Preferably, the controller is electrically connected with a first prompt module for detecting whether the input module outputs a serial video signal, and the controller is used for receiving a parallel video signal and controlling the first prompt module to send out a prompt.
By adopting the technical scheme, when the input module outputs the serial video signal, the decoding module converts the serial video signal into the parallel video signal and transmits the parallel video signal to the controller, the controller can control the first prompting module to send out a prompt according to whether the parallel video signal is received, and an operator can judge whether the input module outputs the serial video signal through the prompt sent out by the first prompting module, so that whether the input module breaks down can be judged, and the input module can be maintained conveniently and timely.
Preferably, the first prompt module includes a first prompt lamp, and the controller is configured to receive the parallel video signal and control the first prompt lamp to flash.
By adopting the technical scheme, when the controller receives the parallel video signals, the controller controls the first prompting lamp to flicker, so that an operator can conveniently judge whether the input module outputs the serial video signals.
Preferably, the controller is electrically connected with a second prompting module for detecting whether the controller is powered on, and when the controller is powered on, the controller controls the second prompting module to give out a prompt.
By adopting the technical scheme, when the controller is electrified, the controller controls the second prompting module to send out a prompt for an operator to judge whether the controller is electrified or not through the prompt sent by the second prompting module.
Preferably, the second prompting module includes a second prompting lamp, when the controller is powered on, the controller is configured to output a voltage signal, and the second prompting lamp is configured to receive the voltage signal and is normally on.
Through adopting above-mentioned technical scheme, when the controller circular telegram, the controller control second warning light is bright often, and whether the controller circular telegram is judged to the suggestion light that operator's accessible second warning light sent, and when the controller circular telegram but the second warning light is not bright, the operator can in time maintain the PCB board.
Preferably, the controller is electrically connected with a test key, the test key is used for detecting key actions and outputting corresponding test signals, the controller is used for receiving the test signals, cutting off parallel video signals and outputting detection signals for testing the LED display screen, and the output module is used for receiving the detection signals and transmitting the detection signals to the LED display screen.
By adopting the technical scheme, an operator can test whether the LED display screen is damaged through the test key, after the operator presses the test key, the controller cuts off the transmission of parallel video signals and transmits the test signals to the LED display screen through the output module, the LED display screen displays a test picture, and the operator can judge whether the LED display screen has faults through the test picture.
Preferably, the video information processing device further comprises a storage module, the storage module is used for storing video information, the storage module is electrically connected with the controller, and the controller is used for retrieving the video information stored in the storage module and transmitting the video information to the output module.
By adopting the technical scheme, the controller can be used for taking the video information stored in the storage module, the output module can be used for transmitting the video information to the LED display screen, and the LED display screen plays videos, so that the video information stored in the storage module can be transmitted.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the input module transmits a serial video signal to the decoding module, the decoding module can decode the serial video signal into a parallel video signal, the parallel video signal decoded by the decoding module is output to the LED display screen from the output module through the controller, the LED display screen plays a video, and the input module, the decoding module, the controller and the output module are all arranged on the same PCB, so that the LED display system does not need to be sent and received through two circuit boards, a gigabit network sending part and a gigabit network receiving part can be omitted, meanwhile, the input module and the output module are arranged on the same PCB, and the sending and receiving cost of the LED display system can be reduced;
the PCB is divided into a plurality of areas through the functions of the modules, the modules are correspondingly distributed in the areas according to the functions, maintenance personnel can conveniently maintain the modules, meanwhile, when the input module and the output module are connected, the decoding module and the controller can be avoided as much as possible, and the influence of the connection on the decoding module and the controller can be avoided as much as possible;
3. the LED display screen comprises a controller, a test key, an output module and a test picture, wherein the controller is used for transmitting a parallel video signal to the LED display screen, the test key is used for testing whether the LED display screen is damaged or not, when the test key is pressed down by an operator, the controller cuts off the transmission of the parallel video signal and transmits the test signal to the LED display screen through the output module, the LED display screen displays the test picture, and the operator can judge whether the LED display screen has a fault or not through the test picture.
Drawings
Fig. 1 is a schematic view of an overall structure of a low-cost LED display system transmitting and receiving integrated card according to an embodiment of the present application.
Fig. 2 is a schematic diagram illustrating a connection of a part of modules of a low-cost LED display system transmitting and receiving integrated card according to an embodiment of the present disclosure.
Fig. 3 is a schematic diagram illustrating a connection of some modules of a low-cost LED display system transmitting and receiving integrated card according to an embodiment of the present application, which is used to show a first prompt module and a second prompt module.
Description of the reference numerals:
100. a PCB board; 101. an input area; 102. a treatment zone; 103. an output area;
200. an input module;
300. a decoding module;
400. a controller;
500. and an output module.
Detailed Description
The present application is described in further detail below with reference to the accompanying drawings.
The embodiment of the application discloses a low-cost LED display system sending and receiving integrated card. Referring to fig. 1 and 2, the low-cost LED display system transmitting and receiving integrated card includes a PCB 100, the PCB 100 is provided with an input module 200, a decoding module 300, a controller 400 and an output module 500, the input module 200 is electrically connected to the decoding module 300, the decoding module 300 is electrically connected to the controller 400, the controller 400 is electrically connected to the output module 500, the input module 200 is configured to output a serial video signal to the decoding module 300, the decoding module 300 is configured to decode the serial video signal and output a parallel video signal to the controller 400, and the controller 400 is configured to output the parallel video signal to an LED display screen through the output module 500.
The PCB 100 is a rectangular plate, the PCB 100 includes an input area 101, a processing area 102 and an output area 103, the input module 200 is connected to the input area 101, the decoding module 300 and the controller 400 are connected to the processing area 102, and the output module 500 is connected to the output area 103.
The input area 101, the processing area 102 and the output area 103 are distributed along the length direction of the PCB 100, the processing area 102 is located between the input area 101 and the output area 103, and the input area 101 and the output area 103 are respectively located at two ends of the PCB 100.
Referring to fig. 2 and 3, the input module 200 uses an HDMI interface, and in other embodiments, the input module 200 may use a DVI or DP interface. The decoding module 300 employs an IT6802E chip, which is electrically connected to the HDMI interface.
The controller 400 is an FPGA chip, and the controller 400 is electrically connected to the input module 200 and the decoding module 300, respectively. The output module 500 employs a parallel interface. The controller 400 is electrically connected with a storage module, the storage module is a hard disk, the storage module is used for storing video information, the controller 400 is used for calling the video information stored by the storage module to the output module 500, and the output module 500 is used for transmitting the video information to the LED display screen.
The controller 400 is electrically connected to a first prompt module, which is used to prompt the input module 200 whether to output a serial video signal. The first prompting module comprises a first prompting lamp, and the first prompting lamp is used for emitting green light. When the decoding module 300 decodes the received serial video signal into a parallel video signal and transmits the parallel video signal to the controller 400, the controller 400 controls the first indicator light to blink, and an operator can determine whether the input module 200 outputs the serial video signal according to the indicator light of the first indicator light.
The controller 400 is electrically connected with a second prompting module, and the second prompting module is used for prompting whether the controller 400 is electrified or not. The second prompting module comprises a second prompting lamp, and the second prompting lamp is used for emitting red light. When the controller 400 is powered on, the controller 400 outputs a voltage signal, and the second indicator light receives the voltage signal and is normally on. The operator can determine whether the controller 400 is powered on according to the indication light of the second indication lamp.
The controller 400 is electrically connected with a test key, the test key is used for detecting key actions and outputting corresponding test signals, after an operator presses the test key, the test key transmits the test signals to the controller 400, the controller 400 receives the test signals and outputs the test signals and cuts off the transmission of parallel video signals, and the test signals are transmitted to the LED display screen through the output module 500 and used for detecting whether the LED display screen breaks down. In this embodiment, the LED display screen receives the detection signal and displays red, green, blue, and white pictures, which is convenient for an operator to observe the display effect of the LED display screen.
The implementation principle of the sending and receiving integrated card of the low-cost LED display system in the embodiment of the application is as follows: the input module 200 transmits the serial video signal to the decoding module 300, the decoding module 300 decodes the serial video signal to generate and output a parallel video signal, the controller 400 receives the parallel video signal and transmits the parallel video signal to the output module 500, and the output module 500 transmits the parallel video signal to the LED display screen for display. Each module is connected to the same PCB 100, and a gigabit network transmitter and a gigabit network receiver are omitted, which can reduce the cost of transmission and reception of the LED display system.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a low-cost LED display system sends and receives integrative card which characterized in that: the LED display screen comprises a PCB (100), an input module (200) and an output module (500), wherein the input module (200) is electrically connected with a decoding module (300), the decoding module (300) is electrically connected with a controller (400), the controller (400) is electrically connected with the output module (500), the output module (500) is used for being electrically connected with an LED display screen, and the input module (200), the decoding module (300), the controller (400) and the output module (500) are all arranged on the PCB (100);
the input module (200) is used for outputting serial video signals, the decoding module (300) is used for receiving the serial video signals, decoding the serial video signals and outputting parallel video signals, and the controller (400) is used for receiving the parallel video signals and outputting the parallel video signals to the LED display screen through the output module (500).
2. The low-cost LED display system transceiver card of claim 1, wherein: the PCB (100) comprises an input area (101), a processing area (102) and an output area (103), wherein the input area (101), the processing area (102) and the output area (103) are distributed along the length direction of the PCB (100), the input area (101) and the output area (103) are respectively located at two ends of the PCB (100), the input module (200) is arranged in the input area (101), the output module (500) is arranged in the output area (103), and the decoding module (300) and the controller (400) are both arranged in the processing area (102).
3. The low-cost LED display system transceiver card of claim 1, wherein: the controller (400) is electrically connected with a first prompting module used for detecting whether the input module (200) outputs serial video signals or not, and the controller (400) is used for receiving parallel video signals and controlling the first prompting module to give out a prompt.
4. The low-cost LED display system transmitting-receiving integrated card as claimed in claim 3, wherein: the first prompting module comprises a first prompting lamp, and the controller (400) is used for receiving the parallel video signals and controlling the first prompting lamp to flash.
5. The low-cost LED display system transceiver card of claim 1, wherein: the controller (400) is electrically connected with a second prompting module for detecting whether the controller (400) is electrified, and when the controller (400) is electrified, the controller (400) controls the second prompting module to give out a prompt.
6. The low-cost LED display system transmitting-receiving integrated card as claimed in claim 5, wherein: the second prompting module comprises a second prompting lamp, when the controller (400) is powered on, the controller (400) is used for outputting a voltage signal, and the second prompting lamp is used for receiving the voltage signal and is normally on.
7. The low-cost LED display system transceiver card of claim 1, wherein: the LED display screen testing device comprises a controller (400), a testing key, a controller (500) and an output module, wherein the controller (400) is electrically connected with the testing key, the testing key is used for detecting key actions and outputting corresponding testing signals, the controller (400) is used for receiving the testing signals, cutting off parallel video signals and outputting the testing signals for testing the LED display screen, and the output module (500) is used for receiving the testing signals and transmitting the testing signals to the LED display screen.
8. The low-cost LED display system transceiver card of claim 1, wherein: the video information processing system further comprises a storage module, wherein the storage module is used for storing video information, the storage module is electrically connected with the controller (400), and the controller (400) is used for calling the video information stored in the storage module and transmitting the video information to the output module (500).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221930837.2U CN217847413U (en) | 2022-07-21 | 2022-07-21 | Low-cost LED display system sends and receives integrative card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221930837.2U CN217847413U (en) | 2022-07-21 | 2022-07-21 | Low-cost LED display system sends and receives integrative card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217847413U true CN217847413U (en) | 2022-11-18 |
Family
ID=84038465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221930837.2U Active CN217847413U (en) | 2022-07-21 | 2022-07-21 | Low-cost LED display system sends and receives integrative card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217847413U (en) |
-
2022
- 2022-07-21 CN CN202221930837.2U patent/CN217847413U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103855539A (en) | Active cable with indicators showing operating modes and linking status | |
| CN217847413U (en) | Low-cost LED display system sends and receives integrative card | |
| CN101835313B (en) | LED control device with current monitoring function | |
| CN201044123Y (en) | Telecontrol general purpose locomotive signal transmission device | |
| CN2912171Y (en) | TV set having integrated fault auto checking and alarming circuit | |
| CN102097053A (en) | LED control system for automatically detecting resolution of units | |
| CN201336664Y (en) | Optical path protecting device | |
| CN201339485Y (en) | Mining integrated alarm device | |
| WO2019180639A4 (en) | Failure detection circuit for hybrid turn signal lamps | |
| US6313751B1 (en) | Battery failure indicator for a single battery | |
| CN212614705U (en) | Coal-winning machine remote controller detection device | |
| CN104297954A (en) | Power-up aging test device for liquid crystal display module | |
| CN102074190A (en) | Light emitting diode (LED) network control system | |
| CN206833683U (en) | Engineering calling system and production line | |
| CN202424940U (en) | Multi-channel television signal monitoring and alarming device | |
| CN102917496B (en) | Semi-automatic control system for ship navigation lights | |
| CN215642747U (en) | Interactive state indicating device of face recognition equipment | |
| CN202998554U (en) | Ship navigation light semi-automatic control system | |
| CN216930200U (en) | Sound detection device of television | |
| CN202120078U (en) | Monitoring circuit | |
| JPH10224299A (en) | Optical signal output monitor circuit for optical transmitter | |
| CN213365679U (en) | Medical equipment and light projection type safety warning circuit thereof | |
| CN216700192U (en) | HDMI signal conversion circuit applied to LED display screen | |
| CN202978991U (en) | Device for displaying receiving and transmitting data traffic of Ethernet port based on light-emitting diodes | |
| CN114291136A (en) | Increase locomotive semaphore of gathering CPU unit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |