CN116546473A - Wireless transmission system and method and LED display device - Google Patents

Wireless transmission system and method and LED display device Download PDF

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Publication number
CN116546473A
CN116546473A CN202210089679.0A CN202210089679A CN116546473A CN 116546473 A CN116546473 A CN 116546473A CN 202210089679 A CN202210089679 A CN 202210089679A CN 116546473 A CN116546473 A CN 116546473A
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CN
China
Prior art keywords
signal pin
conversion unit
receiving module
chip
transmitting module
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Pending
Application number
CN202210089679.0A
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Chinese (zh)
Inventor
罗子龙
严振航
吴振志
吴涵渠
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Shenzhen Aoto Electronics Co Ltd
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Shenzhen Aoto Electronics Co Ltd
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Publication date
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Priority to CN202210089679.0A priority Critical patent/CN116546473A/en
Publication of CN116546473A publication Critical patent/CN116546473A/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/80Services using short range communication, e.g. near-field communication [NFC], radio-frequency identification [RFID] or low energy communication
    • GPHYSICS
    • G09EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09GARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/20Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
    • G09G3/22Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
    • G09G3/30Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
    • G09G3/32Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)

Abstract

The application relates to the technical field of data transmission, and discloses a wireless transmission system, a wireless transmission method and LED display equipment. The system comprises a first conversion unit, a second conversion unit, at least one first VBO interface, at least one second VBO interface, at least one first wireless short-distance chip and at least one second wireless short-distance chip, wherein the first VBO interface is respectively connected with the first conversion unit and the first wireless short-distance chip, the second VBO interface is respectively connected with the second conversion unit and the second wireless short-distance chip, and the first wireless short-distance chip and the second wireless short-distance chip are connected, and based on the VBO interface, the systems are connected in a full wireless mode through the conversion unit, so that the bandwidth can be improved while the cost is reduced.

Description

Wireless transmission system and method and LED display device
Technical Field
The present disclosure relates to the field of data transmission technologies, and in particular, to a wireless transmission system, a wireless transmission method, and an LED display device.
Background
In electronic devices, there are often a plurality of modules, a plurality of boards and a plurality of different systems, and the transfer of information between modules, boards or systems is generally achieved by means of electronic connectors, which are based on contact-type electrical connections.
On short-range wireless communication, the electronics industry has introduced millimeter wave-based short-range wireless chips, such as ST600 for ST, KSS104M for Keyssa, and the like. But such chips are high-speed serial interfaces, i.e., SERDES interfaces, the high-speed interfaces of short-range wireless chips can result in high cost docking systems.
The interface which adopts the short-distance wireless technology in the traditional technology is an Ethernet SGMII interface, and the whole system adopting the interface has high cost and limited speed.
Disclosure of Invention
In view of the foregoing, it is desirable to provide a wireless transmission system, a wireless transmission method, and an LED display device, which can achieve both cost and bandwidth.
In a first aspect, an embodiment of the present application provides a wireless transmission system applied to an LED display device, including:
a first conversion unit, a second conversion unit, at least one first VBO interface, at least one second VBO interface, at least one first wireless short range chip, and at least one second wireless short range chip,
the first VBO interface is respectively connected with the first conversion unit and the first wireless short-distance chip, the second VBO interface is respectively connected with the second conversion unit and the second wireless short-distance chip, and the first wireless short-distance chip and the second wireless short-distance chip are connected.
In some embodiments, the first conversion unit is provided with a first receiving module and a first transmitting module,
the first receiving module and the first transmitting module are connected through a first control unit.
In some embodiments, the second conversion unit is provided with a second receiving module and a second transmitting module,
the second receiving module and the second transmitting module are connected through a second control unit.
In some embodiments, the first receiving module and the first transmitting module are each provided with a first signal pin and a second signal pin,
the first control unit is respectively connected with the first signal pin of the first transmitting module and the second signal pin of the first receiving module, and the second signal pin of the first receiving module is connected with the second signal pin of the first transmitting module.
In some embodiments, the second receiving module and the second transmitting module are each provided with a first signal pin and a second signal pin,
the second control unit is respectively connected with the first signal pin of the second transmitting module and the second signal pin of the second receiving module, and the second signal pin of the second receiving module is connected with the second signal pin of the second transmitting module.
In some embodiments, the first conversion unit and the second conversion unit are VBO interface conversion chips.
In some embodiments, the first signal pin is an HPD signal pin and the second signal pin is a LOCK signal pin.
In a second aspect, an embodiment of the present application further provides a wireless transmission method, applied to an LED display device, where the method includes:
when the state signal is not received, the level of the first signal pin is pulled up to be high level;
when the preset time is reached, the level of the first signal pin is pulled down to be low level, and the communication state is entered;
when the state signal is received, the level of the first signal pin is pulled down to be low level, and the communication state is entered.
In a third aspect, embodiments of the present application further provide an LED display device, including:
at least one processor; the method comprises the steps of,
a memory communicatively coupled to the at least one processor; wherein, the liquid crystal display device comprises a liquid crystal display device,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the wireless transmission method described above.
In a fourth aspect, embodiments of the present application also provide a non-transitory computer-readable storage medium storing computer-executable instructions that, when executed by a processor, cause the processor to perform the above-described wireless transmission method.
Compared with the prior art, the beneficial effects of this application are: different from the situation of the prior art, the wireless transmission system in the embodiment of the application comprises a first conversion unit, a second conversion unit, at least one first VBO interface, at least one second VBO interface, at least one first wireless short-distance chip and at least one second wireless short-distance chip, wherein the first VBO interface is respectively connected with the first conversion unit and the first wireless short-distance chip, the second VBO interface is respectively connected with the second conversion unit and the second wireless short-distance chip, and the first wireless short-distance chip and the second short-distance wireless chip are connected, so that all wireless connection is realized between the systems through the conversion unit based on the VBO interfaces, and therefore, the bandwidth can be improved while the cost is reduced.
Drawings
One or more embodiments are illustrated by way of example and not limitation in the figures of the accompanying drawings, in which like references indicate similar elements, and in which the figures of the drawings are not to be taken in a limiting sense, unless otherwise indicated.
Fig. 1 is a schematic structural diagram of a wireless transmission system according to an embodiment of the present application;
fig. 2 is a flow chart of a wireless transmission method according to an embodiment of the present application;
FIG. 3 is a schematic diagram of a first conversion module and a second conversion module in communication according to one embodiment of the present application;
FIG. 4 is a timing diagram of the LCOK signal pin and the HPD signal pin in one embodiment of the present application;
fig. 5 is a schematic diagram of a hardware structure of an LED display device according to an embodiment of the present application.
Detailed Description
For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.
It should be noted that, if not conflicting, the various features in the embodiments of the present application may be combined with each other, which is within the protection scope of the present application. In addition, while functional block division is performed in a device diagram and logical order is shown in a flowchart, in some cases, the steps shown or described may be performed in a different order than the block division in the device, or in the flowchart. Moreover, the words "first," "second," "third," and the like as used herein do not limit the data and order of execution, but merely distinguish between identical or similar items that have substantially the same function and effect.
Referring to fig. 1, an embodiment of the present application provides a wireless transmission system, which is applied to an LED display device, and may be used for an LED box with a dual LANE LVDS-to-VBO chip, or for an LED box with a single LANE LVDS-to-VBO chip. The wireless transmission system 100 comprises a first conversion unit 10, a second conversion unit 20, at least one first VBO interface 30, at least one second VBO interface 40, at least one first wireless short range chip 50 and at least one second wireless short range chip 60. Specifically, the first VBO interface 30 is connected to the first conversion unit 10 and the first wireless short-range chip 50, the second VBO interface 40 is connected to the second conversion unit 20 and the second wireless short-range chip 60, and the first wireless short-range chip 50 and the second wireless short-range chip 60 are connected. The other system 1 (first system) is connected to the first conversion unit 10, and the other system 2 (second system) is connected to the second conversion unit 20. The first conversion unit 10 is configured to receive and send LVDS signals or other signals transmitted by other systems 1 (first systems) to the second conversion unit 20 or other systems 2 (second systems), and the second conversion unit 20 is configured to receive and send LVDS signals or other signals transmitted by other systems 2 (second systems) to the first conversion unit and other systems 1 (first systems).
It should be noted that, the first conversion unit, the multi-VBO interface, the first wireless short-range chip, the second conversion unit, the second VBO interface, and the second wireless short-range chip in the embodiments of the present application are defined only for convenience of description of the present application, are relative concepts, and are not limiting of the present application, and are not limited by the present embodiment.
In some embodiments, the first wireless short-range chip and the second wireless short-range chip may be ST60, for example. The first conversion unit 10 may be, for example, a VBO interface conversion chip. The first conversion unit 10, i.e. the VBO interface conversion chip, is provided with a first receiving module 11 and a first transmitting module 12. The first receiving module 11 may be denoted as RX1, for example, and the first transmitting module 12 may be denoted as TX1, for example. The first receiving module 11, i.e. RX1, is connected to the first transmitting module 12, i.e. TX1, via a first control unit 70. The first control unit 70 may be, for example, a 51-chip microcomputer.
Further, in some embodiments, the first receiving module 11 is provided with a first signal pin 111 and a second signal pin 112, and the first transmitting module 12 is provided with a first signal pin 121 and a second signal pin 122. The first signal pin 111 and the first signal pin 121 may be, for example, HPD signal pins. The second signal pin 112 and the second signal pin 122 may be LOCK signal pins, for example. Specifically, the first control unit 70 is connected to the first signal pin 121 of the first transmitting module 12 and the second signal pin 112 of the first receiving module 11, and the second signal pin 112 of the first receiving module 11 and the second signal pin 122 of the first transmitting module 11, respectively.
In other embodiments, the second conversion unit 20 may be, for example, a VBO interface conversion chip. The second conversion unit 20, i.e. the VBO interface conversion chip, is provided with a second receiving module 21 and a second transmitting module 22. The second receiving module 21 may be denoted as RX2, for example, and the second transmitting module 22 may be denoted as TX2, for example. The second receiving module 21, i.e. RX2, is connected to the second transmitting module 22, i.e. TX2, via a second control unit 80. The second control unit 80 may be, for example, a 51-chip microcomputer.
Further, in some embodiments, the second receiving module 21 is provided with a first signal pin 211 and a second signal pin 212, and the second transmitting module 22 is provided with a first signal pin 221 and a second signal pin 222. The first signal pin 211 and the first signal pin 221 may be, for example, HPD signal pins. The second signal pin 212 and the second signal pin 222 may be LOCK signal pins, for example. Specifically, the second control unit 80 is connected to the first signal pin 221 of the second transmitting module 22 and the second signal pin 212 of the second receiving module 21, and the second signal pin 212 of the second receiving module 21 and the second signal pin 222 of the second transmitting module 21, respectively.
In the embodiment of the application, the first VBO interface is respectively connected with the first conversion unit and the first wireless short-distance chip, the second VBO interface is respectively connected with the second conversion unit and the second wireless short-distance chip, and the first wireless short-distance chip and the second short-distance wireless chip are connected, so that all wireless connection is realized between systems through the conversion unit based on the VBO interface, and therefore the cost is reduced and the bandwidth is improved.
As shown in fig. 2, an embodiment of the present application further provides a wireless transmission method, where the method is applied to an LED display device, and the method includes:
step 201, when the status signal is not received, pulling the level of the first signal pin high to be high level;
step 202, when the preset time is reached, pull the level of the first signal pin low to enter a communication state.
In step 203, when the status signal is received, the level of the first signal pin is pulled down to a low level, and the communication state is entered.
In the embodiment of the present application, as shown in fig. 3 to 4, the first VBO interface conversion chip is 1, and the second VBO interface conversion chip is 2. When the first VBO interface conversion chip does not receive the status signal, the status signal may be, for example, a LINK signal or other signals, the first VBO interface conversion chip is in an unlocked state, the level of the second signal pin is high, that is, the level of the LOCK signal pin is high, and at this time, the first control unit pulls the first signal pin, that is, the HPD signal pin, high to high based on the state of the second signal pin. At this time, the second VBO interface conversion chip is in a standby state, the level of the LOCK signal pin of the second VBO interface conversion chip is high, at this time, the second control unit pulls the HPD signal pin to high level based on the state of the LOCK signal pin, when reaching a preset time, i.e., T2, the first control unit pulls the level of the first signal pin to low level, which indicates that RX is ready, then performs a communication state, sends TRAIN PATTER signals to the second VBO interface conversion chip, and simultaneously receives TRAIN PATTER signals sent by the second VBO interface conversion chip.
When the first VBO interface conversion chip and the second VBO interface conversion chip receive a status signal, for example, a TRAIN PATTER signal, the first VBO interface conversion chip is locked, the level of the second signal pin is a low level, and the first control unit pulls the level of the first signal pin low to a low level based on the status of the second signal pin, that is, the status of the LCOK signal pin, so as to enter a communication state. The first control unit and the second control unit are responsible for controlling the HPD signal, and controlling the output HPD state according to the state of the LOCK signal pin. At the same time, the times T1, T2 and T3 are also determined by the control unit.
Fig. 5 is a schematic hardware structure of an LED display device provided in an embodiment of the present application, and as shown in fig. 5, an LED display device 50 includes:
one or more processors 51, one processor being illustrated in fig. 5, and a memory 61.
The processor 51 and the memory 61 may be connected by a bus or otherwise, for example in fig. 5.
The memory 61 is a non-volatile computer readable storage medium, and may be used to store a non-volatile software program, a non-volatile computer executable program, and modules, such as program instructions/modules corresponding to the wireless transmission method in the embodiment of the present application. The processor 51 performs various functional applications of the LED display device and data processing, that is, implements the wireless transmission method of the above-described method embodiment, by running nonvolatile software programs, instructions, and modules stored in the memory 61.
The memory 61 may include a storage program area that may store an operating system, at least one application program required for functions, and a storage data area; the storage data area may store data created according to the use of the wireless transmission device, or the like. In addition, the memory 61 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other non-volatile solid-state storage device. In some embodiments, memory 61 may optionally include memory remotely located relative to processor 51, which may be connected to the wireless transmission device via a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
Embodiments of the present application also provide a non-volatile computer-readable storage medium storing computer-executable instructions that, when executed by one or more processors, cause the one or more processors to perform the wireless transmission method in the method embodiments described above.
The apparatus embodiments described above are merely illustrative, wherein the elements illustrated as separate elements may or may not be physically separate, and the elements shown as elements may or may not be physical elements, may be located in one place, or may be distributed over a plurality of network elements. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
From the above description of embodiments, it will be apparent to those skilled in the art that the embodiments may be implemented by means of software plus a general purpose hardware platform, or may be implemented by hardware. Those skilled in the art will appreciate that all or part of the processes implementing the methods of the above embodiments may be implemented by a computer program for instructing relevant hardware, where the program may be stored in a computer readable storage medium, and where the program may include processes implementing the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), or the like.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and are not limiting thereof; the technical features of the above embodiments or in the different embodiments may also be combined under the idea of the present application, the steps may be implemented in any order, and there are many other variations of the different aspects of the present application as described above, which are not provided in details for the sake of brevity; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims (10)

1. A wireless transmission system for use with an LED display device, comprising: a first conversion unit, a second conversion unit, at least one first VBO interface, at least one second VBO interface, at least one first wireless short range chip, and at least one second wireless short range chip,
the first VBO interface is respectively connected with the first conversion unit and the first wireless short-distance chip, the second VBO interface is respectively connected with the second conversion unit and the second wireless short-distance chip, and the first wireless short-distance chip and the second wireless short-distance chip are connected.
2. The system according to claim 1, wherein the first conversion unit is provided with a first receiving module and a first transmitting module,
the first receiving module and the first transmitting module are connected through a first control unit.
3. The system according to claim 1, wherein the second conversion unit is provided with a second receiving module and a second transmitting module,
the second receiving module and the second transmitting module are connected through a second control unit.
4. The system of claim 2, wherein the first receiving module and the first transmitting module are each provided with a first signal pin and a second signal pin,
the first control unit is respectively connected with the first signal pin of the first transmitting module and the second signal pin of the first receiving module, and the second signal pin of the first receiving module is connected with the second signal pin of the first transmitting module.
5. The system of claim 3, wherein the second receiving module and the second transmitting module are each provided with a first signal pin and a second signal pin,
the second control unit is respectively connected with the first signal pin of the second transmitting module and the second signal pin of the second receiving module, and the second signal pin of the second receiving module is connected with the second signal pin of the second transmitting module.
6. The system of claim 5, wherein the first conversion unit and the second conversion unit are VBO interface conversion chips.
7. The system of claim 6, wherein the first signal pin is an HPD signal pin and the second signal pin is a LOCK signal pin.
8. A wireless transmission method applied to an LED display device, the method comprising:
when the state signal is not received, the level of the first signal pin is pulled up to be high level;
when the preset time is reached, the level of the first signal pin is pulled down to be low level, and the communication state is entered;
when the state signal is received, the level of the first signal pin is pulled down to be low level, and the communication state is entered.
9. An LED display device, comprising:
at least one processor; the method comprises the steps of,
a memory communicatively coupled to the at least one processor; wherein, the liquid crystal display device comprises a liquid crystal display device,
the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of claim 8.
10. A non-transitory computer-readable storage medium storing computer-executable instructions that, when executed by a processor, cause the processor to perform the method of claim 8.
CN202210089679.0A 2022-01-25 2022-01-25 Wireless transmission system and method and LED display device Pending CN116546473A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210089679.0A CN116546473A (en) 2022-01-25 2022-01-25 Wireless transmission system and method and LED display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210089679.0A CN116546473A (en) 2022-01-25 2022-01-25 Wireless transmission system and method and LED display device

Publications (1)

Publication Number Publication Date
CN116546473A true CN116546473A (en) 2023-08-04

Family

ID=87454739

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210089679.0A Pending CN116546473A (en) 2022-01-25 2022-01-25 Wireless transmission system and method and LED display device

Country Status (1)

Country Link
CN (1) CN116546473A (en)

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