CN217509042U

CN217509042U - Wireless transmission system

Info

Publication number: CN217509042U
Application number: CN202220207061.5U
Authority: CN
Inventors: 罗子龙; 严振航; 吴振志; 吴涵渠
Original assignee: Shenzhen Aoto Electronics Co Ltd
Current assignee: Shenzhen Aoto Electronics Co Ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-09-27
Anticipated expiration: 2032-01-25

Abstract

The utility model relates to a data transmission technical field discloses a wireless transmission system. 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, the first wireless short-distance chip and the second wireless short-distance chip are connected, and based on the VBO interfaces, the systems are enabled to be in full wireless connection through the conversion units, so that the cost can be reduced, and meanwhile, the bandwidth can be improved.

Description

Wireless transmission system

Technical Field

The utility model relates to a data transmission technical field, in particular to wireless transmission system.

Background

In electronic devices there are usually a plurality of modules, a plurality of boards and a plurality of different systems, the transfer of information between modules, boards or systems being generally effected by means of electronic connectors, which are based on contact-based electrical connections.

In short-range wireless communication, the electronics industry introduced millimeter-wave based short-range wireless chips, such as ST600 by ST, KSS104M by keysas, and the like. However, such chip is a high-speed serial interface, i.e. SERDES interface, and the high-speed interface of the short-distance wireless chip causes high cost of the docking system.

In the conventional technology, an interface generally adopting a short-range wireless technology is an ethernet SGMII interface, and the overall cost of a system adopting the interface is high and the rate is limited.

SUMMERY OF THE UTILITY MODEL

In view of the above, it is desirable to provide a wireless transmission system that can achieve both cost and bandwidth.

In a first aspect, an embodiment of the present invention provides a wireless transmission system for a 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 is connected with the second wireless short-distance chip.

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 is a VBO interface conversion chip.

In some embodiments, the second conversion unit is a VBO interface conversion chip.

In some embodiments, the first signal pin is an HPD signal pin.

In some embodiments, the second signal pin is a LOCK signal pin.

Compared with the prior art, the beneficial effects of the utility model are that: different from the prior art, the embodiment of the present invention provides a wireless transmission system, including a first converting unit, a second converting 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, through being connected first VBO interface with first converting unit and first wireless short-distance chip respectively, be connected second VBO interface with second converting unit and second wireless short-distance chip respectively, be connected first wireless short-distance chip and second short-distance wireless chip, therefore, based on the VBO interface, make and realize full wireless connection through the converting unit between the system, therefore can improve the bandwidth in the time of reduce cost.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

Fig. 1 is a schematic structural diagram of a wireless transmission system according to an embodiment of the present invention.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described in more detail with reference to the accompanying drawings and embodiments. It will be understood that when an element is referred to as being "on" another element, it can be directly on the other element or intervening elements may be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Referring to fig. 1, an embodiment of the present invention provides a wireless transmission system, which is applied to an LED display device, and can be specifically used for an LED box for converting dual LANE LVDS to VBO chips, and also can be used for an LED box for converting single LANE LVDS to VBO chips. 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 is connected to the second wireless short-range chip 60. 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 transmit LVDS signals or other signals transmitted by the other system 1 (the first system) to the second conversion unit 20 or the other system 2 (the second system), and the second conversion unit 20 is configured to receive and transmit LVDS signals or other signals transmitted by the other system 2 (the second system) to the first conversion unit and the other system 1 (the first system).

It should be noted that, the first conversion unit, the multiple VBO interfaces, the first wireless short-distance chip, the second conversion unit, the second VBO interface, and the second wireless short-distance chip in the embodiment of the present invention are just convenient for description, and the definition of the present invention is relative concept, and is not limited to the present invention, and there is no need to be limited by the present embodiment.

In some embodiments, the first and second wireless short-range chips may be, for example, ST 60. 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, RX1, is connected to the first transmitting module 12, 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, for example, LOCK signal pins. Specifically, the first control unit 70 is respectively 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 is connected to the second signal pin 122 of the first transmitting module 11.

In other embodiments, the second conversion unit 20 may be a VBO interface conversion chip, for example. 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, RX2, is connected with the second transmitting module 22, TX2, through the 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, for example, LOCK signal pins. Specifically, the second control unit 80 is respectively 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.

The embodiment of the utility model provides an in, through being connected first VBO interface with first converting unit and first wireless short distance chip respectively, be connected second VBO interface with second converting unit and the wireless short distance chip of second respectively, be connected first wireless short distance chip and the wireless short distance chip of second, from this, based on the VBO interface for realize full wireless connection through the converting unit between the system, can improve the bandwidth when reduce cost from this.

The embodiment of the utility model provides an in, when first VBO interface conversion chip has not received status signal, status signal can be LINK signal or other signals for example, and first VBO interface conversion chip is in out-of-LOCK state, and the level of second signal foot is the high level, and the level of LOCK signal foot is the high level promptly, and first control unit is based on the state of second signal foot at this moment with first signal foot, and HPD signal foot is pulled high to the high level promptly. At this moment, the second VBO interface conversion chip is in a standby state, the second VBO interface conversion chip is in an out-of-LOCK state, the level of the LOCK signal pin of the second VBO interface conversion chip is at a high level, at this moment, the second control unit pulls the HPD signal pin to a high level based on the state of the LOCK signal pin, when the preset time is reached, the first control unit pulls the level of the first signal pin to a low level, which indicates that the RX is ready, then, the communication state is carried out, TRAIN PATTER signals are sent to the second VBO interface conversion chip, and meanwhile, TRAIN PATTER signals sent by the second VBO interface conversion chip are received.

When the first VBO interface conversion chip and the second VBO interface conversion chip receive a status signal, for example, an TRAIN PATTER signal, the first VBO interface conversion chip locks, the level of the second signal pin is at a low level, and the first control unit pulls down the level of the first signal pin to a low level based on the state of the second signal pin, that is, the state of the LCOK signal pin, thereby entering a communication state. It should be noted that the first control unit and the second control unit are responsible for controlling the HPD signal, and controlling the HPD state according to the state of the LOCK signal pin.

It should be noted that the preferred embodiments of the present invention are described in the specification and the drawings, but the present invention can be realized in many different forms, and is not limited to the embodiments described in the specification, and these embodiments are not provided as additional limitations to the present invention, and are provided for the purpose of making the understanding of the disclosure of the present invention more thorough and complete. Moreover, the above features are combined with each other to form various embodiments not listed above, and all of them are considered as the scope of the present invention described in the specification; further, modifications and variations may be suggested to those skilled in the art in light of the above teachings, and it is intended to cover all such modifications and variations as fall within the scope of the appended claims.

Claims

1. A wireless transmission system is applied to an LED display device and is characterized by 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,

2. The system of claim 1, wherein the first conversion unit is provided with a first receiving module and a first transmitting module,

3. The system of claim 1, wherein the second conversion unit is provided with a second receiving module and a second transmitting module,

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,

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,

6. The system of any of claims 1-5, wherein the first conversion unit is a VBO interface conversion chip.

7. The system of any of claims 1-5, wherein the second conversion unit is a VBO interface conversion chip.

8. The system of claim 4 or 5, wherein the first signal pin is an HPD signal pin.

9. The system of claim 4 or 5, wherein the second signal pin is a LOCK signal pin.