CN102270421B - System for joining display units and realizing method thereof - Google Patents
System for joining display units and realizing method thereof Download PDFInfo
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- CN102270421B CN102270421B CN201110009328A CN201110009328A CN102270421B CN 102270421 B CN102270421 B CN 102270421B CN 201110009328 A CN201110009328 A CN 201110009328A CN 201110009328 A CN201110009328 A CN 201110009328A CN 102270421 B CN102270421 B CN 102270421B
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Abstract
The invention discloses a system for joining display units and a realizing method thereof. The joining system is formed by connecting a plurality of displays through a DVI (Digital Video Interactive) input interface and a DVI output interface. Each display unit is used for receiving a control command sent by a control device and taking a local video signal or a ring communication video signal as a signal source. The signal source comprises a plurality of formats. Furthermore, the joining system disclosed by the invention can perform joining and ring communication display of video signals according to requirements of users without an external joining processing device.
Description
Technical field
The present invention relates to the monitor technical field, particularly a kind of splicing system and its implementation that need not to splice the display unit of treating apparatus.
Background technology
Nowadays; Many occasions all need the display device of giant-screen to show; And the manufacturing cost of display device and production difficulty all can rise along with the increase of required size significantly; Therefore, in order to reduce cost, generally all adopt plural display device spliced as display unit to show larger sized image.
In the prior art; Realize that these means all need an external splicing treating apparatus 110; As shown in Figure 1; The instruction that splicing treating apparatus 110 receives self-controller 100 to send, the corresponding display unit 120 of control is realized multi-unit assembled, this splicing treating apparatus is generally matrix switcher (the signal splicing that need carry out what form just needs to use corresponding matrix switcher).This way; Each link all need connect a lot of signal wires, and required cost is very high, and even more serious is; This way can't satisfy the needs of multiple format signal splicing at all: carry out the splicing of 5 kinds of different-format signals like needs; Just must be equipped with 5 kinds of corresponding matrix switchers, also need display device with the corresponding splicing card of matrix switcher on be equipped with 5 kinds of interfaces, and on the market splicing card can't satisfy this requirement at all at present.
In view of this, a kind of splicing system that treating apparatus can be realized the display unit of multiple format signal splicing that need not to splice need be provided.
Summary of the invention
In view of the weak point of above-mentioned prior art, the object of the present invention is to provide splicing system and its implementation of a kind of display unit, solve the problem that needs external splicing treating apparatus in the prior art and can not carry out multiple format signal splicing simultaneously.
In order to achieve the above object, the present invention has taked following technical scheme:
A kind of display unit wherein, comprising:
A plurality of image processing apparatus, it comprises a plurality of local video signal input ports, is used for converting local video signal the digital video signal of specific format into according to the order of central processing unit, and sends to digital signal processing device;
Central processing unit is used for the steering order of receiving control device, and sends to control chart as treating apparatus and digital signal processing device;
Digital signal processing device is used for according to steering order the digital video signal or the ring intervisibility frequency signal of specific format being handled accordingly, sends to logic card or/and the DVI output interface;
Logic card is used for the needs video signal displayed is sent to display panel;
Display panel is used for display video signal;
The DVI input interface connects digital signal processing device, is used for input ring intervisibility signal frequently;
The DVI output interface connects digital signal processing device, is used for output ring intervisibility signal frequently;
The steering order input interface connects central processing unit, is used to receive steering order;
The steering order output interface connects central processing unit, is used for steering order is sent to next display unit.
Described display unit, wherein, the local video signal input port comprises one or more in TV, AV, VGA, HDMI and the SDI video signal interface.
Described display unit, wherein, said control device is PC.
Described display unit, wherein, said DVI input interface and DVI output interface can be for a plurality of.
Described display unit, wherein, said display panel is a kind of among display panels, DLP or the LED.
A kind of splicing system of display unit comprises two or more display unit and control device, and wherein, said control device is used to receive user's operation, sends control instruction corresponding; Said display unit further comprises:
A plurality of image processing apparatus, it comprises a plurality of local video signal input ports, is used for converting local video signal the digital video signal of specific format into according to the order of central processing unit, and sends to digital signal processing device;
Central processing unit is used for the steering order of receiving control device, and sends to control chart as treating apparatus and digital signal processing device;
Digital signal processing device is used for according to steering order the digital video signal or the ring intervisibility frequency signal of specific format being handled accordingly, sends to logic card or/and the DVI output interface;
Logic card is used for the needs video signal displayed is sent to display panel;
Display panel is used for display video signal;
The DVI input interface connects digital signal processing device, is used for input ring intervisibility signal frequently;
The DVI output interface connects digital signal processing device, is used for output ring intervisibility signal frequently;
The steering order input interface connects central processing unit, is used to receive steering order;
The steering order output interface connects central processing unit, is used for steering order is sent to next display unit;
Wherein, each display unit is contacted through said DVI input interface and DVI output interface, and carries out the reception and the transmission of steering order through steering order input interface and steering order input interface.
The splicing system of described display unit, wherein, said control device is PC.
The splicing system of described display unit, wherein, the local video signal input port comprises one or more in TV, AV, VGA, HDMI and the SDI video signal interface.
A kind of implementation method of splicing system of display unit wherein, may further comprise the steps:
S1, the steering order of display unit receiving control device sends to central processing unit;
S2, said central processing unit connect corresponding local video input port or DVI input interface according to steering order, obtain input signal;
S3 according to steering order, sends to said input signal after digital signal processing device handles, and sends logic card to and/or is sent to the DVI input interface of next display unit through the DVI output interface;
S4, display unit is communicated to next display unit through the steering order output interface with steering order;
S5, said display panel shows the vision signal that logic card sends.
The implementation method of the splicing system of described display unit, wherein, institute's local video signal input port comprises one or more in TV, AV, VGA, HDMI and the SDI video signal interface.
The splicing system of a kind of display unit provided by the invention and its implementation; With the connect to form splicing system of a plurality of demonstrations through DVI input interface and DVI output interface; The steering order that each display unit receiving control device sends, with local video signal or ring intervisibility frequently signal as information source; Said information source comprises multiple form.In addition, splicing system provided by the invention need not external splicing treating apparatus and can hold high office and show according to splicing, ring that user's needs carry out vision signal.
Description of drawings
Fig. 1 is the synoptic diagram of splicing system in the prior art.
Fig. 2 is the synoptic diagram of the display unit of the embodiment of the invention.
Fig. 3 is the synoptic diagram of splicing system of the display unit of the embodiment of the invention.
Fig. 4 is the process flow diagram of embodiment of the splicing system of the embodiment of the invention.
Embodiment
The present invention provides splicing system and its implementation of a kind of display unit, need not to splice the splicing that treating apparatus can be realized multiple format signal.
For making the object of the invention, technical scheme and effect clearer, clear and definite, below with reference to accompanying drawing and give an actual example to further explain of the present invention.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
See also Fig. 2, Fig. 2 is the synoptic diagram of the display unit of the embodiment of the invention.As shown in the figure; Said demonstration comprises a plurality of image processing apparatus (image processing apparatus 1, image processing apparatus 2 ... .. image processing apparatus N), central processing unit 10, digital signal processing device 20, logic card 30, DVI input interface, DVI output interface, steering order input interface, steering order output interface and display panel 40; Said image processing apparatus connects central processing unit 10 and digital signal processing device 20; Steering order input interface, steering order output interface are connected with central processing unit; DVI input interface, DVI output interface are connected with digital signal processing device 20, and central processing unit 10, digital signal processing device 20, logic card 30 and display panel 40 are connected successively.
Specifically; Said image processing apparatus comprises a plurality of local video signal input ports (said local video signal can comprise TV, AV, VGA, HDMI or SDI vision signal); Be used for local video signal being converted into the digital video signal of specific format according to the order of central processing unit 10; And sending to digital signal processing device 20, the number of said image processing apparatus can be set according to actual needs.Said DVI input interface is used for input ring intervisibility signal frequently; The DVI output interface is used for output ring intervisibility signal frequently; The number of DVI input interface and DVI output interface can be 1, also can be for more a plurality of, such as 4 DVI input interfaces and DVI output interface are arranged; Each interface mean allocation ring intervisibility is signal frequently; Be that the ring intervisibility frequency signal that each interface transmits is 1/4th of a whole signal, like this, make the transmission speed of signal accelerate greatly.Said steering order input interface is used to receive steering order, and said steering order output interface is used for steering order is sent to next display unit.Said central processing unit 10 is used for the steering order of receiving control device (being generally PC), and sends to control chart as treating apparatus and digital signal processing device 20; Said digital signal processing device 20 is used for according to steering order the digital video signal or the ring intervisibility frequency signal of specific format being handled accordingly; Comprise: vision signal full screen display, vision signal division display or different digital video signals are carried out demonstration of different proportion or same ratio or the like; And then sending to logic card 30 or/and the DVI output interface, said logic card 30 is used for the needs video signal displayed is sent to display panel 40; Said display panel 40 shows vision signal.Specifically, said display panel 40 can be display panels, DLP or LED or the like.
Please consult Fig. 3 in the lump, Fig. 3 is the synoptic diagram of splicing system of the display unit of the embodiment of the invention.Draw for convenient; DVI input interface, DVI output interface are represented with DVI IN and DVI OUT respectively; Steering order input interface, steering order output interface represent with RS232 IN and RS232 OUT respectively, and display unit 9 is represented to the unit with unit 1, unit 2 respectively.As shown in the figure, the embodiment of the invention provides a kind of splicing system that is made up of 9 display units, wherein; The RS232 IN of unit 1 is connected (in the present embodiment, control device is PC) with control device, be used for the steering order of receiving control device; The RS232 OUT of unit 1 is connected with the RS232 IN of unit 2, is used for to unit 2 transfer control instructions, and the RS232 OUT of unit 2 is connected with the RS232 IN of unit 3; And the like, accomplish the reception and the transmission of 9 concatenation unit steering orders; The DVI IN of unit 1 is connected with the DVI OUT of unit 9, and the DVI OUT of unit 1 is connected with the DVI IN of unit 2, and the DVI OUT of unit 2 is connected with the DVI IN of unit 3, and the like, realize the logical and splicing of ring of vision signal.If hope a certain vision signal of a certain display unit is spliced demonstration; So only need confirm the address of this display unit through control device; To splice the instruction that shows through RS232 IN and RS232 OUT again and send to each display unit, received instruction after, through being connected of DVI IN and DVI OUT; This vision signal is sent on each display panel, shows.
For selecting the ring intervisibility display unit of signal frequently; If display mode is splicing; Central processing unit will be according to the instruction of sending of control device, obtain the position of own splicing system of living in, calculate should which part of display video signal after; Carry out the vision signal cutting again; Vision signal after the cutting is carried out the full screen display of unit, and all select the display unit of ring intervisibility frequency signal all can carry out Video signal processing in this manner, so just can a complete splicing of vision signal be shown; If display mode is logical for ring; Then receive ring intervisibility signal frequently, the ring intervisibility frequency signal that receives is carried out sending display panel to show after the display process, like this from its DVI input interface; All selection ring intervisibilities display unit of signal are frequently all handled like this, separately complete picture of independent displaying.
Give an example; Please continue to consult Fig. 3, if display unit 7, display unit 8 and display unit 9 are shown three tunnel different video signals: unit 7 is AV, and unit 8 is VGA; Unit 9 is SDI, the sdi signal in other the 1-6 concatenation unit enlarged and displayed unit 9 (splicing shows).Then operate as follows: the AV interface of AV signal from the local video signal port of unit 7 is input in the splicing system; The VGA interface of VGA signal from the local video signal port of unit 8 is input in the splicing system; The DVI interface of sdi signal from the local video signal port of unit 9 is input in the splicing system; The logical DVI of ring that remaining 1-6 unit input information source switches to this machine respectively is input in the splicing system.
The RS232 of control device output control interface is linked to each other with the RS232 IN of unit 1, and the RS232 OUT of unit 1 links to each other with the RS232 IN of unit 2, and the like, up to the RS232 OUT of unit 8 with till the RS232 IN of unit 9 links to each other.
Then, control device will be encoded to display unit, promptly confirms the address of each display unit, content to display or the like.For instance, the rule of setting is pressed from left to right, and order from top to bottom is promptly by 1,2,3; 4,5,6; 7,8,9 are provided with respectively.Then through control device select the ring intervisibility frequently the information source of signal be the sdi signal of unit 9, the display unit that need splice is 1-6, completion is set after.User's the order that is provided with again steering order is sent to unit 1, and each display unit is connected successively with the steering order output interface through the steering order input interface, so all can be received in the 1-9 unit.Concrete implementation is following: the AV signal that display unit 7 receives in the local video input interface does not respond the splicing instruction, the AV vision signal in the independent displaying local video signal; The VGA signal that concatenation unit 8 receives in the local video input interface does not respond the splicing instruction, the VGA pcs signal in the independent displaying local video signal; The sdi signal that concatenation unit 9 receives in the local video input interface does not respond the splicing instruction, the SDI digital signal in the independent displaying local video signal.
The present invention also provides a kind of implementation method of above-mentioned splicing system, and the process flow diagram of its embodiment is as shown in Figure 4.Specifically may further comprise the steps:
S1, the steering order of display unit receiving control device sends to central processing unit;
S2, said central processing unit connect corresponding local video input port or DVI input interface according to steering order, obtain input signal;
S3 according to steering order, sends to said input signal after digital signal processing device handles, and sends logic card to and/or is sent to the DVI input interface of next display unit through the DVI output interface;
S4, display unit is communicated to next display unit through the steering order output interface with steering order;
S5, said display panel shows the vision signal that logic card sends.
Further, among the said step S2, the local video signal input port comprises one or more in TV, AV, VGA, HDMI and the SDI video signal interface.
The splicing system of a kind of display unit provided by the invention and its implementation; With the connect to form splicing system of a plurality of demonstrations through DVI input interface and DVI output interface; The steering order that each display unit receiving control device sends, with local video signal or ring intervisibility frequently signal as information source; Said information source comprises multiple form.In addition, splicing system provided by the invention need not external splicing treating apparatus and can hold high office and show according to splicing, ring that user's needs carry out vision signal.
It is understandable that, concerning those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection domain of the appended claim of the present invention.
Claims (9)
1. a display unit is characterized in that, comprising:
A plurality of image processing apparatus, it comprises a plurality of local video signal input ports, is used for converting local video signal the digital video signal of specific format into according to the order of central processing unit, and sends to digital signal processing device;
Central processing unit is used for the steering order of receiving control device, and sends to control chart as treating apparatus and digital signal processing device;
Digital signal processing device; Be used for the digital video signal or the ring intervisibility frequency signal of specific format being handled accordingly according to steering order; Comprise: vision signal full screen display, vision signal division display or different digital video signals are carried out the demonstration of different proportion or same ratio, send to logic card and DVI output interface;
Logic card is used for the needs video signal displayed is sent to display panel;
Display panel is used for display video signal;
The DVI input interface connects digital signal processing device, is used for input ring intervisibility signal frequently;
The DVI output interface connects digital signal processing device, is used for output ring intervisibility signal frequently;
The steering order input interface connects central processing unit, is used to receive steering order;
The steering order output interface connects central processing unit, is used for steering order is sent to next display unit;
Wherein, the number of said DVI input interface and DVI output interface is a plurality of, and each interface mean allocation ring intervisibility is signal frequently.
2. display unit according to claim 1 is characterized in that: the local video signal input port comprises one or more in TV, AV, VGA, HDMI and the SDI video signal interface.
3. display unit according to claim 1 is characterized in that: said control device is PC.
4. display unit according to claim 1 is characterized in that: said display panel is a kind of among display panels, DLP or the LED.
5. the splicing system of a display unit comprises plural display unit and control device, it is characterized in that: said control device, be used to receive user's operation, and send control instruction corresponding; Said display unit further comprises:
A plurality of image processing apparatus, it comprises a plurality of local video signal input ports, is used for converting local video signal the digital video signal of specific format into according to the order of central processing unit, and sends to digital signal processing device;
Central processing unit is used for the steering order of receiving control device, and sends to control chart as treating apparatus and digital signal processing device;
Digital signal processing device; Be used for the digital video signal or the ring intervisibility frequency signal of specific format being handled accordingly according to steering order; Comprise: vision signal full screen display, vision signal division display or different digital video signals are carried out the demonstration of different proportion or same ratio, send to logic card and DVI output interface;
Logic card is used for the needs video signal displayed is sent to display panel;
Display panel is used for display video signal;
The DVI input interface connects digital signal processing device, is used for input ring intervisibility signal frequently;
The DVI output interface connects digital signal processing device, is used for output ring intervisibility signal frequently;
The steering order input interface connects central processing unit, is used to receive steering order;
The steering order output interface connects central processing unit, is used for steering order is sent to next display unit;
Wherein, The number of said DVI input interface and DVI output interface is a plurality of; Each interface mean allocation ring intervisibility is signal frequently; Each display unit is contacted through said DVI input interface and DVI output interface, and carries out the reception and the transmission of steering order through steering order input interface and steering order output interface.
6. the splicing system of display unit according to claim 5, it is characterized in that: said control device is PC.
7. the splicing system of display unit according to claim 5, it is characterized in that: the local video signal input port comprises one or more in TV, AV, VGA, HDMI and the SDI video signal interface.
8. the implementation method of the splicing system of the described display unit of claim 5 is characterized in that, may further comprise the steps:
S1, the steering order of display unit receiving control device sends to central processing unit;
S2, said central processing unit connect corresponding local video input port or DVI input interface according to steering order, obtain input signal;
S3 according to steering order, sends to said input signal after digital signal processing device handles, and sends logic card to and is sent to the DVI input interface of next display unit through the DVI output interface;
S4, display unit is sent to next display unit through the steering order output interface with steering order;
S5, said display panel shows the vision signal that logic card sends.
9. the implementation method of the splicing system of display unit according to claim 8, it is characterized in that: said local video signal input port comprises one or more in TV, AV, VGA, HDMI and the SDI video signal interface.
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| CN201110009328A CN102270421B (en) | 2011-01-17 | 2011-01-17 | System for joining display units and realizing method thereof |
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| CN201110009328A CN102270421B (en) | 2011-01-17 | 2011-01-17 | System for joining display units and realizing method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103543978A (en) * | 2013-11-07 | 2014-01-29 | 中安消技术有限公司 | Video scaling method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103595927B (en) * | 2013-07-19 | 2017-04-12 | 北京淳中科技股份有限公司 | Image splicing signal processing system |
| CN105430299B (en) * | 2015-11-27 | 2018-05-29 | 广东威创视讯科技股份有限公司 | Splicing wall signal source mask method and system |
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| CN102270421A (en) | 2011-12-07 |
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Address after: 518000 Guangdong Province, Shenzhen New District of Longhua City, Dalang Street Community Lang Kou Fu Hua Chang Lu Industrial Park ninth building (1-3) layer Patentee after: Shenzhen TOYANI Special Equipment Technology Co.,Ltd. Address before: 518109 Guangdong province Shenzhen city Longhua District Office sea wave mouth community Hua Chang Lu Fu Industrial Park eighth building a layer of Patentee before: Shenzhen Trinidad security protection Co.,Ltd. |
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Effective date of registration: 20210512 Address after: 21 / F, building B, Xingzhi science and Technology Park, Xingzhi Road, Nanjing Economic and Technological Development Zone, Nanjing City, Jiangsu Province, 210000 Patentee after: Protruly Vision Technology Group Co.,Ltd. Address before: 518000 floor 1-3, building 9, Huafu Industrial Park, Huachang Road, Langkou community, Dalang street, Longhua New District, Shenzhen City, Guangdong Province Patentee before: Shenzhen TOYANI Special Equipment Technology Co.,Ltd. |
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Granted publication date: 20120919 Termination date: 20220117 |