CN105141905A - Spliced screen system and implementation method thereof - Google Patents
Spliced screen system and implementation method thereof Download PDFInfo
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- CN105141905A CN105141905A CN201510499089.5A CN201510499089A CN105141905A CN 105141905 A CN105141905 A CN 105141905A CN 201510499089 A CN201510499089 A CN 201510499089A CN 105141905 A CN105141905 A CN 105141905A
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Abstract
The invention provides a spliced screen system and an implementation method thereof. An inner-loop signal processing chip for converting a specified local audio/video signal received by a local video signal interface into a DP signal is arranged in each splicing unit. On one hand, the DP signal output by the inner-loop signal processing chip is converted into an LVDS signal, and on the other hand, the DP signal is output to a core processing chip of a next splicing unit which is connected with a DP output interface through the DP output interface, so that an internal matrix function of a spliced screen and an echo function of playing back a whole spliced screen display image onto a monitor of a remote control end in real time are realized. Additional separate configuration of a matrix module and a signal distributor module for the spliced screen is not required; convenience is brought to remote control of the spliced screen; the installation cost is lowered; and the defects of frame loss and delay of transmitted signals are overcome.
Description
Technical field
The present invention relates to public service device field, in particular a kind of joined screen system and its implementation.
Background technology
Existing traditional combination device, combination display end self only plays a part display, and it needs in periphery independent configuring matrix module and signal distributor module, and each display terminal multiple signals could being rendered to combination shows; And at combination display video, image and when roaming interface, conventional splicing apparatus cannot show picture and the content of current combination in real time at the monitoring client of far-end, have impact on the Interactive control of remote control terminal and the convenience of monitoring; And adopt the device of network encoding and decoding to there is expensive, compressed image, frame losing, time delay, shortcoming that bandwidth is low.
Therefore, prior art awaits further improvement.
Summary of the invention
In view of above-mentioned weak point of the prior art, the object of the invention is to for user provides a kind of combination device and its implementation, overcome combination display end self in prior art and not there is matrix functions and echo function, cause when carrying out video-splicing display, necessary configuring matrix module and signal distributor module separately, thus cause awkward defect.
The technical scheme that technical solution problem of the present invention adopts is as follows:
A kind of joined screen system, wherein, comprise: at least two concatenation units that are connected, the monitoring arrangement connected with the described concatenation unit rear and front end that is connected, and be connected with the described concatenation unit that is connected, the signaling control unit being integrated in monitoring arrangement inside or independently arranging with monitoring arrangement; Described concatenation unit comprises: inner ring signal processing chip, kernel processor chip, for the display unit of display video signal and the signal end daughter board for receiving and outputing signal;
Described signal end daughter board is provided with the DP input interface for receiving DP signal, for exporting DP output interface and the local video signal interface of DP signal;
Inner ring signal processing chip, for by local video signal interface to local audio-video signal convert DP signal to;
Kernel processor chip, the DP signal conversion processes exported by inner ring signal processing chip is on the one hand LVDS signal, shown on described LVDS Signal transmissions to display unit by LVDS interface, on the other hand described DP signal is outputted to next coupled concatenation unit by described DP output interface;
Described signaling control unit, any local video signal being used to specify any concatenation unit input converts DP signal to as information source;
Described monitoring arrangement, for will from be arranged in last concatenation unit DP output interface export DP Signal aspects out.
Described joined screen system, wherein, described local video signal interface comprises: one or several in DVI signaling interface, HDMI signaling interface, VGA signaling interface.
Described joined screen system, wherein, after the DP input interface of concatenation unit receives DP signal, then the DP Signal transmissions that directly received of inner ring signal processing chip is to kernel processor chip.
Described joined screen system, wherein, is provided with the first signal conversion unit in described inner ring signal processing chip, for by local video signal interface to local audio-video signal convert DP signal to.
Described joined screen system, wherein, secondary signal converting unit is provided with in described kernel processor chip, DP signal for being received converts LVDS signal to, also be provided with transmission unit in described kernel processor chip, the DP signal for being received outputs to next coupled concatenation unit.
Described joined screen system, wherein, described monitoring arrangement comprises at least two display units corresponding with described concatenation unit, and each display unit shows the content of corresponding concatenation unit display.
An implementation method for described joined screen system, wherein, comprising:
A, inner ring signal processing chip by local video signal interface to local audio-video signal convert DP signal to;
The DP signal conversion processes that inner ring signal processing chip exports is LVDS signal by B, kernel processor chip, shown on described LVDS Signal transmissions to display unit by LVDS interface, described DP signal is outputted to next coupled concatenation unit by described DP output interface simultaneously;
C, monitoring arrangement by from be arranged in last concatenation unit DP output interface export DP Signal aspects out.
The implementation method of described joined screen system, wherein, comprises before described steps A:
A0, signaling control unit specify any local video signal of any concatenation unit input as information source.
The implementation method of described joined screen system, wherein, described step B, also comprises:
If after the DP input interface of B1 concatenation unit receives DP signal, then the DP Signal transmissions that directly received of inner ring signal processing chip is to kernel processor chip.
The implementation method of described joined screen system, wherein, described step C comprises:
Monitoring arrangement comprises at least two display units corresponding with described concatenation unit, and each display unit shows the content of corresponding concatenation unit display.
Beneficial effect, the invention provides a kind of joined screen system and its implementation, by arrange in each concatenation unit be used for by local video signal interface to the local audio-video signal of specifying convert the inner ring signal processing chip of DP signal to, and the DP signal conversion processes exported by inner ring signal processing chip is on the one hand LVDS signal, by described DP output interface, described DP signal is outputted to the kernel processor chip of next coupled concatenation unit on the other hand, thus achieve combination internal matrix function and whole combination is shown image real-time playback to the echo function on the monitor of remote control terminal, therefore combination of the present invention does not need independent configuring matrix module and signal distributor module in addition again, Long-distance Control for combination is provided convenience and is reduced its cost installed, overcome the defect of signal transmission frame losing and time delay.
Accompanying drawing explanation
Fig. 1 is the theory structure schematic diagram of a kind of joined screen system of the present invention.
Fig. 2 is the theory structure schematic diagram of inner ring exchange device in the present invention.
Fig. 3 is the implementation method flow chart of steps of a kind of joined screen system of the present invention.
Embodiment
For making object of the present invention, technical scheme and advantage clearly, clearly, developing simultaneously referring to accompanying drawing, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein only for explaining the present invention, being not intended to limit the present invention.
The invention provides a kind of joined screen system, as shown in Figure 1, described joined screen system comprises: at least two be connected concatenation unit and the monitoring arrangements that connect with the described concatenation unit rear and front end that is connected, and be connected with the described concatenation unit that is connected, the signaling control unit being integrated in monitoring arrangement inside or independently arranging with monitoring arrangement; For 2x2 combination in Fig. 1, wherein containing 4 concatenation units, if the number of concatenation unit is multiple, then adopts and be connected closed to multiple concatenation unit, signaling control unit and supervising device with method of attachment as shown in Figure 1.
Described concatenation unit comprises: for the display unit of display video signal, for receiving the signal end daughter board of input signal, inner ring signal processing chip and kernel processor chip; Described signal end daughter board is provided with the DP input interface for receiving DP signal, for exporting DP output interface and the local video signal interface of DP signal;
Inner ring signal processing chip, for by local video signal interface to local audio-video signal convert DP signal to;
Kernel processor chip, the DP signal conversion processes exported by inner ring signal processing chip is on the one hand LVDS signal, shown on described LVDS Signal transmissions to display unit by LVDS interface, on the other hand described DP signal is outputted to next coupled concatenation unit by described DP output interface.
Inner ring signal processing chip and kernel processor chip is provided with in each concatenation unit of splicing system, signal all for receiving it processes, described inner ring signal processing chip is connected with signal end daughter board, the signal that Received signal strength terminal board transmits, if local audio-video signal, then convert thereof into DP signal, if the DP input interface of concatenation unit receives DP signal, then the DP Signal transmissions that directly received of inner ring signal processing chip is to kernel processor chip.The DP signal that kernel processor chip is received on the one hand converts described LVDS signal to, then shown on described LVDS Signal transmissions to display unit by LVDS interface, on the other hand described DP signal is outputted to next coupled concatenation unit by described DP output interface.
Described signaling control unit, any local video signal being used to specify any concatenation unit input converts DP signal to as information source.
Described monitoring arrangement, for will from be arranged in last concatenation unit DP output interface export DP Signal aspects out.
Described monitoring arrangement comprises at least two display units corresponding with described concatenation unit, and each display unit shows the content of corresponding concatenation unit display.
Concrete, described concatenation unit is provided with signal end daughter board, for receiver, video input signal and control command signal, wherein containing DP input interface and local video signal interface for receiving DP signal, local video signal interface is one or several of DVI signaling interface, HDMI signaling interface, VGA signaling interface etc.
Preferably, in described inner ring signal processing chip, be provided with the first signal conversion unit, for by local video signal interface to local audio-video signal convert DP signal to.
Secondary signal converting unit is provided with in described kernel processor chip, DP signal for being received converts LVDS signal to, also be provided with transmission unit in described kernel processor chip, the DP signal for being received outputs to next coupled concatenation unit.
In embody rule embodiment, described first signal conversion unit and secondary signal converting unit can pass through its function of circuit realiration.
Concrete, as shown in Figure 1, access the signal input that more than 2 tunnels are different in each concatenation unit of combination simultaneously, such as: DVI signal, VGA signal, HDMI signal etc., there are 1 road DP signal input interface and 1 road DP signal output interface in addition, connected by DP signal input interface and DP signal output interface between multiple concatenation unit, and the concatenation unit being arranged in first also connects respectively by DP signal input interface and DP signal output interface with the concatenation unit and signaling control unit being arranged in last, described multiple concatenation unit and signaling control unit, monitoring arrangement connects into closed circuit.
As described in Figure 2, loop-through circuit in the built-in terminal indoor design one of each concatenation unit, when after any one local video signal interface to local video input signal in certain concatenation unit, can any 1 road local video input signal DP_IN (as any one in signal 1-2, signal 1-3) by being converted to DP1.1 signal after the process of inner ring signal processing chip; DP1.1 signal accesses kernel processor chip subsequently.The DP1.1 signal of kernel processor chip to input carries out signal transacting, convert DP1.1 signal to described LVDS signal on the one hand, then shown on described LVDS Signal transmissions to display unit by LVDS interface, on the other hand DP1.1 signal is exported as DP_OUT Signal transmissions is to next coupled concatenation unit by described DP output interface.
When the DP signal input interface of next concatenation unit receives the DP_OUT signal that a upper concatenation unit exports, then the interior loop-through circuit of this next concatenation unit it can be used as DP_INPUT signal, signal now owing to receiving has been DP signal, inner ring signal processing chip is not then needed to carry out DP signal conversion processes to this signal, directly can be transferred to kernel processor chip, this DP signal conversion processes is LVDS signal by kernel processor chip one side, shown on display unit by the LVDS Signal transmissions of LVDS interface by conversion, on the other hand this DP signal is outputted to next coupled concatenation unit by described DP output interface.So analogize, one-level one-level is down transported to afterbody concatenation unit.
And if next stage concatenation unit, such as be arranged in deputy concatenation unit, receive signaling control unit control command, the local video signal 2-2 received is as signal source, then now then need to convert local video signal 2-2 to DP signal by the inner ring signal processing chip in the second concatenation unit, then the DP signal of conversion is input to kernel processor chip, after transforms decode being carried out to it by kernel processor chip, shown by display unit, by DP signal output interface, this DP signal is outputted to third level concatenation unit.
After the DP input interface of third level concatenation unit receives DP signal, then direct this DP Signal transmissions to be processed to kernel processor chip.Namely the inner ring signal processing chip of third level concatenation unit is without the need to transforming the DP signal received, because itself oneself is exactly DP signal.DP signal supports the function (daisy chain function) of daisychain.
Afterbody concatenation unit is by DP output interface, and export DP signal on monitoring arrangement, monitoring arrangement intactly shows DP signal, completely can present all display frames on combination, thus realize echo function.
Described monitoring arrangement comprises at least two display units corresponding with described concatenation unit, and each display unit shows the content of corresponding concatenation unit display.The DP signal received in afterbody concatenation unit is input to the DP input interface of first order concatenation unit by signaling control unit by DP output interface after, form outer shroud and lead to closed circuit, thus each display unit realizing monitoring arrangement shows the content of corresponding concatenation unit display, and the signaling control unit in joined screen system of the present invention passes through software controlling technique, any road input signal of any one concatenation unit can be specified as source signal, this input signal is converted to DP signal, be linked into outer shroud and lead to closed circuit, achieve this signal and project whole combination from DP loop, thus realize realization matrix function in combination.
The present invention, under the prerequisite of said system, additionally provides a kind of implementation method of joined screen system, and as shown in Figure 3, described method comprises:
S1, inner ring signal processing chip by local video signal interface to local audio-video signal convert DP signal to;
The DP signal conversion processes that inner ring signal processing chip exports is LVDS signal by S2, kernel processor chip, shown on described LVDS Signal transmissions to display unit by LVDS interface, described DP signal is outputted to next coupled concatenation unit by described DP output interface simultaneously;
S3, monitoring arrangement by from be arranged in last concatenation unit DP output interface export DP Signal aspects out.
Described step S1, comprises before:
S0, signaling control unit specify any local video signal of any concatenation unit input as information source.
Described step S2, also comprises:
If after the DP input interface of S21 concatenation unit receives DP signal, then the DP Signal transmissions that directly received of inner ring signal processing chip is to kernel processor chip.
Described step S3 comprises:
Monitoring arrangement comprises at least two display units corresponding with described concatenation unit, and each display unit shows the content of corresponding concatenation unit display.
The invention provides a kind of joined screen system and its implementation, by arrange in each concatenation unit be used for by local video signal interface to the local audio-video signal of specifying convert the inner ring signal processing chip of DP signal to, and the DP signal conversion processes exported by inner ring signal processing chip is on the one hand LVDS signal, by described DP output interface, described DP signal is outputted to the kernel processor chip of next coupled concatenation unit on the other hand, thus achieve combination internal matrix function and whole combination is shown image real-time playback to the echo function on the monitor of remote control terminal, therefore combination of the present invention does not need independent configuring matrix module and signal distributor module in addition again, Long-distance Control for combination is provided convenience and is reduced its cost installed, overcome the defect of signal transmission frame losing and time delay.
Be understandable that, for those of ordinary skills, can be equal to according to technical scheme of the present invention and inventive concept thereof and replace or change, and all these change or replace the protection range that all should belong to the claim appended by the present invention.
Claims (10)
1. a joined screen system, it is characterized in that, comprise: at least two concatenation units that are connected, the monitoring arrangement connected with the described concatenation unit rear and front end that is connected, and be connected with the described concatenation unit that is connected, the signaling control unit being integrated in monitoring arrangement inside or independently arranging with monitoring arrangement; Described concatenation unit comprises: inner ring signal processing chip, kernel processor chip, for the display unit of display video signal and the signal end daughter board for receiving and outputing signal;
Described signal end daughter board is provided with the DP input interface for receiving DP signal, for exporting DP output interface and the local video signal interface of DP signal;
Inner ring signal processing chip, for by local video signal interface to local audio-video signal convert DP signal to;
Kernel processor chip, the DP signal conversion processes exported by inner ring signal processing chip is on the one hand LVDS signal, shown on described LVDS Signal transmissions to display unit by LVDS interface, on the other hand described DP signal is outputted to next coupled concatenation unit by described DP output interface;
Described signaling control unit, any local video signal being used to specify any concatenation unit input converts DP signal to as information source;
Described monitoring arrangement, for will from be arranged in last concatenation unit DP output interface export DP Signal aspects out.
2. according to joined screen system as claimed in claim 1, it is characterized in that, described local video signal interface comprises: one or several in DVI signaling interface, HDMI signaling interface, VGA signaling interface.
3. joined screen system according to claim 1, is characterized in that, after the DP input interface of concatenation unit receives DP signal, then the DP Signal transmissions that directly received of inner ring signal processing chip is to kernel processor chip.
4. joined screen system according to claim 1, is characterized in that, be provided with the first signal conversion unit in described inner ring signal processing chip, for by local video signal interface to local audio-video signal convert DP signal to.
5. joined screen system according to claim 1, it is characterized in that, secondary signal converting unit is provided with in described kernel processor chip, DP signal for being received converts LVDS signal to, also be provided with transmission unit in described kernel processor chip, the DP signal for being received outputs to next coupled concatenation unit.
6. joined screen system according to claim 1, it is characterized in that, described monitoring arrangement comprises at least two display units corresponding with described concatenation unit, and each display unit shows the content of corresponding concatenation unit display.
7. an implementation method for joined screen system as claimed in claim 1, is characterized in that, comprising:
A, inner ring signal processing chip by local video signal interface to local audio-video signal convert DP signal to;
The DP signal conversion processes that inner ring signal processing chip exports is LVDS signal by B, kernel processor chip, shown on described LVDS Signal transmissions to display unit by LVDS interface, described DP signal is outputted to next coupled concatenation unit by described DP output interface simultaneously;
C, monitoring arrangement by from be arranged in last concatenation unit DP output interface export DP Signal aspects out.
8. the implementation method of joined screen system according to claim 7, is characterized in that, comprise before described steps A:
A0, signaling control unit specify any local video signal of any concatenation unit input as information source.
9. the implementation method of joined screen system according to claim 7, it is characterized in that, described step B, also comprises:
If after the DP input interface of B1 concatenation unit receives DP signal, then the DP Signal transmissions that directly received of inner ring signal processing chip is to kernel processor chip.
10. the implementation method of joined screen system according to claim 7, it is characterized in that, described step C comprises:
Monitoring arrangement comprises at least two display units corresponding with described concatenation unit, and each display unit shows the content of corresponding concatenation unit display.
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| CN105516619A (en) * | 2016-01-26 | 2016-04-20 | 深圳市维冠视界科技股份有限公司 | Four K splicing processor and four K splicing display system |
| CN105867870A (en) * | 2016-05-04 | 2016-08-17 | 广东威创视讯科技股份有限公司 | Back-display method and device of spliced wall windows |
| CN105487834B (en) * | 2015-12-14 | 2018-08-07 | 广东威创视讯科技股份有限公司 | Combination echoes method and system |
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Effective date of registration: 20200929 Address after: 518000 3 building, TCL international E Town, 1001 Zhongshan Garden Road, Nanshan District, Shenzhen, Guangdong, China. 1001 Patentee after: Shenzhen Huasheng Software Technology Co.,Ltd. Patentee after: TCL commercial information technology (Huizhou) Co., Ltd Address before: 516001 Guangdong province Huizhou Zhongkai hi tech Development Zone No. 19 district Patentee before: TCL NEW TECHNOLOGY (HUIZHOU) Co.,Ltd. |