CN102270421A - 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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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 for the treatment of 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 significantly along with the increase of required size, 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, and 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 needs to connect a lot of signal wires, required cost is very high, 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 as 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, need provide a kind of splicing system that treating apparatus can be realized the display unit of multiple format signal splicing that need not to splice.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, 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 according to the order of central processing unit local video signal being converted to the digital video signal of specific format, 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, described control device is PC.
Described display unit, wherein, described DVI input interface and DVI output interface can be for a plurality of.
Described display unit, wherein, described 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, described control device is used to receive user's operation, sends control instruction corresponding; Described display unit further comprises:
A plurality of image processing apparatus, it comprises a plurality of local video signal input ports, is used for according to the order of central processing unit local video signal being converted to the digital video signal of specific format, 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 by described DVI input interface and DVI output interface, and carries out the reception and the transmission of steering order by steering order input interface and steering order input interface.
The splicing system of described display unit, wherein, described 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, described 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 described 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 by the DVI output interface;
S4, display unit is communicated to next display unit by the steering order output interface with steering order;
S5, described 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 by 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; Described 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 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 purpose of the present invention, technical scheme and effect clearer, clear and definite, below with reference to accompanying drawing and give an actual example that the present invention is described in more detail.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, described 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, the DVI input interface, the DVI output interface, the steering order input interface, steering order output interface and display panel 40, described image processing apparatus connects central processing unit 10 and digital signal processing device 20, the steering order input interface, the steering order output interface is connected with central processing unit, the DVI input interface, the DVI output interface is connected with digital signal processing device 20, central processing unit 10, digital signal processing device 20, logic card 30 is connected successively with display panel 40.
Specifically, described image processing apparatus comprises a plurality of local video signal input ports (described local video signal can comprise TV, AV, VGA, HDMI or SDI vision signal), be used for local video signal being converted to 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 described image processing apparatus can be set according to actual needs.Described 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.Described steering order input interface is used to receive steering order, and described steering order output interface is used for steering order is sent to next display unit.Described 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; Described 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 are cut apart shown or different digital video signals carries out demonstration of different proportion or same ratio or the like, and then sending to logic card 30 or/and the DVI output interface, described logic card 30 is used for the needs video signal displayed is sent to display panel 40; Described display panel 40 shows vision signal.Specifically, described display panel 40 can be display panels, DLP or LED or the like.
See also Fig. 3, 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 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, finish 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 wish a certain vision signal of a certain display unit is carried out tiled display, so only need determine the address of this display unit by control device, by RS232 IN and RS232 OUT the instruction of tiled display is sent to each display unit again, after having received instruction, by 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 display video signal which part after, carry out the vision signal cutting again, vision signal after the cutting is carried out the full screen display of unit, all select the display unit of ring intervisibility frequency signal all can carry out Video signal processing in this manner, so just a complete tiled display of vision signal can be come out; 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 vision signals: unit 7 is AV, and unit 8 is VGA, unit 9 is SDI, and other 1-6 concatenation unit amplifies the sdi signal (tiled display) in the display unit 9.Then carry out following operation: 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 determines 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 selecting the information source of ring intervisibility frequency signal by control device is the sdi signal of unit 9, and the display unit that need splice is 1-6, after setting is finished.User's the order that is provided with steering order is sent to unit 1, and each display unit is connected successively with the steering order output interface by the steering order input interface, so all can be received in the 1-9 unit again.Concrete implementation is as follows: 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 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, described 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 described 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 by the DVI output interface;
S4, display unit is communicated to next display unit by the steering order output interface with steering order;
S5, described display panel shows the vision signal that logic card sends.
Further, among the described 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 by 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; Described 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.
Be understandable that, for 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 (10)
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 according to the order of central processing unit local video signal being converted to the digital video signal of specific format, 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.
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: described control device is PC.
4. display unit according to claim 1 is characterized in that: described DVI input interface and DVI output interface are a plurality of.
5. display unit according to claim 1 is characterized in that: described display panel is a kind of among display panels, DLP or the LED.
6. the splicing system of a display unit comprises it is characterized in that two or more display unit and control device: described control device, be used to receive user's operation, and send control instruction corresponding; Described display unit further comprises:
A plurality of image processing apparatus, it comprises a plurality of local video signal input ports, is used for according to the order of central processing unit local video signal being converted to the digital video signal of specific format, 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 by described DVI input interface and DVI output interface, and carries out the reception and the transmission of steering order by steering order input interface and steering order input interface.
7. the splicing system of display unit according to claim 6, it is characterized in that: described control device is PC.
8. the splicing system of display unit according to claim 6, 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.
9. the implementation method of the splicing system of the described display unit of claim 6 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, described 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 described 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 by the DVI output interface;
S4, display unit is sent to next display unit by the steering order output interface with steering order;
S5, described display panel shows the vision signal that logic card sends.
10. the implementation method of the splicing system of display unit according to claim 9, it is characterized in that: described 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 (2)
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103543978B (en) * | 2013-11-07 | 2017-02-08 | 中安消技术有限公司 | Video scaling method and system |
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| CN102270421B (en) | 2012-09-19 |
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Owner name: SHENZHEN BAOQIANLI SECURITY AND PROTECTION CO., LT Free format text: FORMER OWNER: ELECTRONICS CO., LTD. SHENZHEN BAO MILES Effective date: 20150706 |
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Effective date of registration: 20150706 Address after: 518109 Guangdong province Shenzhen city Longhua District Office sea wave mouth community Hua Chang Lu Fu Industrial Park eighth building a layer of Patentee after: Shenzhen Trinidad security protection Co.,Ltd. Address before: 518109 Guangdong city of Shenzhen province Baoan District Longhua Dalang Street Huarong Ludetai Technology Industrial Park 1 Patentee before: SHENZHEN PROTRULY ELECTRONICS Co.,Ltd. |
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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 |