CN209120364U - A kind of splice displaying system - Google Patents
A kind of splice displaying system Download PDFInfo
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- CN209120364U CN209120364U CN201822006567.6U CN201822006567U CN209120364U CN 209120364 U CN209120364 U CN 209120364U CN 201822006567 U CN201822006567 U CN 201822006567U CN 209120364 U CN209120364 U CN 209120364U
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Abstract
The utility model relates to a kind of splice displaying systems, comprising: video source, transmission unit and splicing display device；Wherein, video source connects transmission unit by data line；Transmission unit is wirelessly connected display device by extremely high frequency；Splicing display device includes multiple display units；The fixed splicing of multiple display units, and be wirelessly connected between multiple display units by extremely high frequency.The utility model provides display unit and utilizes wireless transmission method, receives or sends video data by the first wireless transport module and the second wireless transport module, it is innumerable and disordered to avoid route caused by wire transmission；Transmission unit and receiving unit use POE power supply technique, only need cable that the power supply and signal transmission of entrance and exit wireless transmission can be realized.Meanwhile between display unit by the way of extremely high frequency wireless transmission, while reducing transmission loss and interference, also there is preferable waterproof effect.
Description
Technical Field
The utility model belongs to the display field, concretely relates to tiled display system.
Background
The spliced large screen is formed by splicing the spliced screens, wherein the spliced screen is a complete spliced display unit which can be used as a display independently and can be spliced into the spliced large screen for use. In the next work or life, people can realize the changeable big screen splicing function which can be changed into big and small through a plurality of spliced screens according to different use requirements, such as single-screen split display, single-screen independent display, arbitrary combined display, vertical screen display and the like. The installation of the spliced large screen is as simple as building blocks, and the use and installation of single or spliced screens are very simple. The system has the characteristics of super long service life, large visual angle, high resolution, low failure rate and the like, and is widely applied to the fields of traffic, finance, military, education, advertisement and the like.
At present, a traditional large spliced screen is mainly formed by splicing a plurality of display units, and the whole large spliced screen is formed by connecting the display units in series through network cables. The video data are sent to the large spliced screen through the video sending card, and after each display unit in the large spliced screen receives the video data of the display unit through the network cable, the rest video data are transmitted to the next display unit through the network cable, so that the display of the whole spliced screen is completed.
However, since video data needs to be transmitted between the display units of the traditional spliced large screen through network cables, the circuits are more and complicated when the large screen is spliced, and the circuits are mixed and inserted when the large screen is installed; moreover, because the loss during network cable transmission and the loss of the interface are large, the transmission is easy to be interfered, the waterproof performance is poor, and the like, and the display quality is also seriously influenced.
SUMMERY OF THE UTILITY MODEL
In order to solve the above-mentioned problem that exists among the prior art, the utility model provides a tiled display system. The to-be-solved technical problem of the utility model is realized through following technical scheme:
an embodiment of the utility model provides a tiled display system, include: the system comprises a video source, a sending unit and a splicing display device; wherein,
the video source is connected with the sending unit through a data line;
the transmitting unit is wirelessly connected with the display device through an extremely high frequency;
the tiled display device comprises a plurality of display units;
the display units are fixedly spliced and are in wireless connection through extremely high frequency.
Further, the transmission unit includes: the system comprises a transmitting card, a wireless transmitting module and a wireless receiving module; wherein,
the transmitting card is respectively connected with the video source, the wireless transmitting module and the wireless receiving module through data lines;
the wireless transmitting module and the wireless receiving module are wirelessly connected with the display device through extremely high frequency.
Further, the sending card supplies power to the wireless sending module and the wireless receiving module in a POE power supply mode.
Further, the display unit includes: the device comprises a first wireless transmission module, a receiving card, a display screen and a second wireless transmission module; wherein,
the first wireless transmission module is connected with the receiving card and is wirelessly connected with a second wireless transmission module or the sending module of the upper-stage display unit through a very high frequency;
the display screen is connected with the receiving card and is used for displaying videos;
the second wireless transmission module is connected with the receiving card and is wirelessly connected with the first wireless transmission module or the receiving module of the next-stage display unit through extremely high frequency.
Further, the distance between the first wireless transmission module of the current display unit and the second transmission module of the previous display unit is: the vertical distance is 0-4 cm or the horizontal distance is 0-0.5 cm;
the distance between the second wireless transmission module of the current display unit and the first transmission module of the next-level display unit is as follows: the vertical distance is 0-4 cm or the horizontal distance is 0-0.5 cm.
Further, the receiving card includes: the interface comprises a power interface, an interface, an HDMI interface and an Ethernet interface.
Furthermore, the number of the HDMI interfaces and the number of the Ethernet interfaces are at least 2.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model provides a display unit utilizes the wireless transmission mode, receives or sends video data through a first wireless transmission module and a second wireless transmission module, and avoids the multiple and messy lines caused by wired transmission; the transmitting unit and the receiving unit adopt a POE power supply technology, and power supply and signal transmission of wireless transmission of the inlet and the outlet can be realized only by network cables. Meanwhile, a very high frequency wireless transmission mode is adopted between the display units, so that transmission loss and interference are reduced, and meanwhile, a better waterproof effect is achieved.
Drawings
Fig. 1 is a schematic structural diagram of a tiled display system provided by the present invention;
fig. 2 is a schematic structural diagram of a display unit provided by the present invention;
fig. 3 is a schematic structural diagram of the tiled display device provided by the present invention;
reference numerals:
power supply-001; a power line-0001; mesh-0002; video source-100; a transmitting card-210; a first wireless transmission module-310; a second wireless transmission module-320; receiving a card-330.
Detailed Description
The present invention will be described in further detail with reference to specific examples, but the present invention is not limited thereto.
Example one
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic structural diagram of a tiled display system according to the present invention; fig. 2 is a schematic structural diagram of a display unit provided by the present invention; fig. 3 is the structure schematic diagram of the tiled display device provided by the utility model. An embodiment of the present invention provides a tiled display system, as shown in fig. 1, specifically including: a video source 100, a sending unit and a tiled display device; wherein,
the video source 100 is connected to the sending unit through a data line;
the transmitting unit is wirelessly connected with the display device through an extremely high frequency;
the tiled display device comprises a plurality of display units;
the display units are fixedly spliced and are in wireless connection through extremely high frequency.
Further, the transmission unit includes: a transmitting card 210, a wireless transmitting module, a wireless receiving module; wherein,
the transmitting card 210 is respectively connected to the video source 100, the wireless transmitting module and the wireless receiving module through data lines;
the wireless transmitting module and the wireless receiving module are wirelessly connected with the display device through extremely high frequency.
Specifically, the video source 100 transmits a video signal to the transmitting unit through the data line or the network line 0002; information on the ID numbers of all the display units in the tiled display apparatus and the like is recorded on the transmission card 210 of the transmission unit. After receiving the video signal, the transmitting card 210 processes the video signal according to the ID numbers of all the display units, analyzes and processes the video signal blocks corresponding to the display units, loads ID information to each video signal block, and then transmits the processed video signal to the first display unit of the tiled display device through the wireless transmitting module in the manner of very high frequency wireless transmission.
Further, the transmitting card 210 supplies power to the wireless transmitting module and the wireless receiving module in a POE power supply manner.
Specifically, the transmitting card 210 is connected to the power supply 001 and connected to the wireless transmitting module and the wireless receiving module through the network cable 0002, the transmitting card 210 transmits video signals or other data between the network cable 0002 and the wireless receiving module and the wireless transmitting module, and the transmitting card 210 supplies power to the wireless transmitting module and the wireless receiving module in a POE power supply mode through the network cable 0002.
Specifically, the mode of POE power supply through the gigabit network supplies power for wireless sending module and wireless receiving module, on the basis of stable signal quality and strong interference killing feature, makes implementation, installation, concatenation and the problem of cost of whole tiled display device engineering all bring very big facility and benefit.
Further, as shown in fig. 2, the display unit includes: a first wireless transmission module 310, a receiving card 330, a display screen and a second wireless transmission module 320; wherein,
the first wireless transmission module 310 is connected with the receiving card 330, and is wirelessly connected with the second wireless transmission module 320 or the sending module of the upper-level display unit through a very high frequency;
the display screen is connected with the receiving card 330 and used for displaying videos;
the second wireless transmission module 320 is connected to the receiving card 330, and is wirelessly connected to the first wireless transmission module 310 or the receiving module of the next display unit through an ultra-high frequency.
Specifically, the first wireless transmission module 310 of the first display unit of the tiled display device receives the video signal of the wireless transmission module, and the second wireless transmission module 320 of the last display unit of the tiled display device sends a feedback signal to the wireless reception module, so as to monitor the working condition of the tiled display device.
Specifically, in the remaining display units, the first transmission module is configured to receive first video data; the receiving card 330 is connected to the first wireless transmission module 310, and is configured to obtain display video data and second video data according to the first video data, and is further configured to provide a power supply 001 to the first wireless transmission module 310, the second wireless transmission module 320, and the display screen;
the display screen is connected with the receiving card 330 and is used for displaying video according to the display video data;
the second wireless transmission module 320 is connected to the receiving card 330 for receiving and transmitting the second video data.
Specifically, the receiving card 330 supplies power to the first wireless transmission module 310, the receiving card 330, the display screen, and the second wireless transmission module 320 of the display unit by connecting to the power supply 001, so as to ensure that the display unit works normally.
Specifically, after receiving the first video data, the first transmission module transmits the first video data to the receiving card 330. The ID number of the present display unit is recorded on the receiving card 330, and the receiving card 330 parses the first video data into the display video data and the second video data according to the ID number of the present receiving card 330. The receiving card 330 sends the display video data to the display screen, and the display screen performs video playing after analyzing the display video data; meanwhile, the receiving card 330 sends the second video data to the second wireless transmission module 320, and the second wireless transmission module sends the second video data out of the display unit, and preferably, the second wireless transmission module sends the second video data to the next-stage display unit.
Preferably, the first wireless transmission module 310 and the second transmission module are located on two non-adjacent sides of the display screen.
Specifically, the front of the display screen is used for playing video, and the back of the display screen is provided with a first wireless transmission module 310, a receiving card 330 and a second wireless transmission module 320, preferably, the first wireless transmission module 310 is located on one edge of the back of the display screen, and the receiving surface of the first wireless transmission module 310 is flush with the edge of the display screen where the first wireless transmission module is located. The second wireless transmission module 320 is located on any one of the other three sides of the display screen, and the transmitting surface of the second wireless transmission module 320 is flush with the side of the display screen where the second wireless transmission module is located, and the display card is located at the center of the back surface.
Preferably, the display screen is a liquid crystal display screen.
Further, the receiving card 330 includes: the interface comprises a power interface, an interface, an HDMI interface and an Ethernet interface.
Furthermore, the number of the HDMI interfaces and the number of the Ethernet interfaces are at least 2.
Further, the distance between the first wireless transmission module 310 of the current display unit and the second transmission module of the previous display unit is: the vertical distance is 0-4 cm or the horizontal distance is 0-0.5 cm;
the distance between the second wireless transmission module 320 of the current display unit and the first transmission module of the next display unit is: the vertical distance is 0-4 cm or the horizontal distance is 0-0.5 cm.
Specifically, the tiled display device includes a plurality of the above display units, and the display unit is connected to the second wireless transmission module 320 of the upper display unit through the first wireless transmission module 310, wherein the distance between the first wireless transmission module 310 of the display unit and the second transmission module of the upper display unit is: the horizontal position distance is 0-4 cm under the condition that the horizontal position deviation is 0 or 0-0.5 cm under the condition that the vertical position deviation is 0. Within the above distance, the first wireless transmission module 310 of the display unit and the second transmission module of the previous display unit adopt wireless transmission modes, so that lossless transmission can be achieved, the highest speed can reach 12Gb/s, and the display unit has short transmission distance and high speed, so that the display unit has strong anti-interference capability and small radiation.
The display unit is connected with the first transmission module of the next-level display unit through the second wireless transmission module 320; the distance between the second wireless transmission module 320 of the display unit and the first transmission module of the next-stage display unit is: the horizontal position distance is 0-4 cm under the condition that the horizontal position deviation is 0 or 0-0.5 cm under the condition that the vertical position deviation is 0. Within the above distance, the second wireless transmission module 320 of the display unit and the first transmission module of the next-stage display unit adopt wireless transmission mode, so that lossless transmission can be achieved, the speed can reach 12Gb/s at most, and the anti-interference capability is strong and the radiation is small because the transmission distance is short and the speed is high.
Specifically, the receiving card 330 of the display unit is connected to the receiving card 330 of the upper-level display unit through a power line 0001 for supplying power to the display unit; meanwhile, the receiving card 330 of the display unit is connected to the receiving card 330 of the next-stage display unit through a power line 0001 for serving as a power source for the next-stage display unit.
As shown in fig. 3, the tiled display device includes m rows and n columns of display units, where m and n are integers greater than or equal to 1. The display units of the spliced display device are fixedly spliced, and the display units are in wireless connection through extremely high frequency; the sending surface of the second wireless transmission module 320 of the previous-stage display unit and the receiving surface of the first wireless transmission module 310 of the current-stage display unit are in close-range non-contact, and the sending surface transmits the second video data to the current-stage display unit in a non-protocol manner in an extremely high frequency wireless transmission mode, and so on until the second video data is transmitted to the mn-th display unit. Preferably, the mn-th display unit sends a feedback message to the wireless receiving module through the second transmission module, wherein the feedback message is used for monitoring the working condition of the tiled display device.
Specifically, the first display unit inputs first video data through the network cable 0002 by using the Ethernet interface of the receiving card 330, and the display card analyzes and processes the video data to obtain display video data and second video data, wherein the display video data is played through the display unit, the second video data is transmitted to the second wireless transmission module 320, the second wireless transmission module 320 transmits the second video data to the second display unit, and the second video data is used as the first video data of the second display unit.
The utility model provides a display unit utilizes wireless transmission mode, receives or sends video data through first wireless transmission module 310 and second wireless transmission module 320, avoids the circuit that wire transmission caused many and mixed and disorderly; the transmitting unit and the receiving unit adopt a POE power supply technology, and power supply and signal transmission of inlet and outlet wireless transmission can be realized only by a network cable 0002. Meanwhile, a very high frequency wireless transmission mode is adopted between the display units, so that transmission loss and interference are reduced, and meanwhile, a better waterproof effect is achieved.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (7)
1. A tiled display system, comprising: the system comprises a video source, a sending unit and a splicing display device; wherein,
the video source is connected with the sending unit through a data line;
the transmitting unit is wirelessly connected with the display device through an extremely high frequency;
the tiled display device comprises a plurality of display units;
the display units are fixedly spliced and are in wireless connection through extremely high frequency.
2. The tiled display system of claim 1 wherein the sending unit comprises: the system comprises a transmitting card, a wireless transmitting module and a wireless receiving module; wherein,
the transmitting card is respectively connected with the video source, the wireless transmitting module and the wireless receiving module through data lines;
the wireless transmitting module and the wireless receiving module are wirelessly connected with the display device through extremely high frequency.
3. The tiled display system of claim 2, wherein the transmitting card powers the wireless transmitting module and the wireless receiving module by POE power.
4. The tiled display system of claim 2, wherein the display unit comprises: the device comprises a first wireless transmission module, a receiving card, a display screen and a second wireless transmission module; wherein,
the first wireless transmission module is connected with the receiving card and is wirelessly connected with a second wireless transmission module or the sending module of the upper-stage display unit through a very high frequency;
the display screen is connected with the receiving card and is used for displaying videos;
the second wireless transmission module is connected with the receiving card and is wirelessly connected with the first wireless transmission module or the receiving module of the next-stage display unit through extremely high frequency.
5. The tiled display system according to claim 4, wherein the distance between the first wireless transmission module of the current display unit and the second transmission module of the previous display unit is: the vertical distance is 0-4 cm or the horizontal distance is 0-0.5 cm;
the distance between the second wireless transmission module of the current display unit and the first transmission module of the next-level display unit is as follows: the vertical distance is 0-4 cm or the horizontal distance is 0-0.5 cm.
6. The tiled display system of claim 4 wherein the receiving card comprises: the interface comprises a power interface, an interface, an HDMI interface and an Ethernet interface.
7. The tiled display system of claim 6 wherein the HDMI interface and the Ethernet interface are each at least 2.
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| CN201822006567.6U CN209120364U (en) | 2018-11-30 | 2018-11-30 | A kind of splice displaying system |
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| CN201822006567.6U CN209120364U (en) | 2018-11-30 | 2018-11-30 | A kind of splice displaying system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112396974A (en) * | 2019-07-31 | 2021-02-23 | 西安诺瓦星云科技股份有限公司 | LED display screen, LED display system and display box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112396974A (en) * | 2019-07-31 | 2021-02-23 | 西安诺瓦星云科技股份有限公司 | LED display screen, LED display system and display box |
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