CN102469299A - Signal annular communication system and method of monitoring unit - Google Patents
Signal annular communication system and method of monitoring unit Download PDFInfo
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- CN102469299A CN102469299A CN2010105513570A CN201010551357A CN102469299A CN 102469299 A CN102469299 A CN 102469299A CN 2010105513570 A CN2010105513570 A CN 2010105513570A CN 201010551357 A CN201010551357 A CN 201010551357A CN 102469299 A CN102469299 A CN 102469299A
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Abstract
The invention aims to provide a signal annular communication system and method of a monitoring unit. In the invention, an annular communication technology is multiplexed through a plurality of paths of signals so that external matrix equipment is saved and an input difference of a picture is reduced; meanwhile, the installation is simple and the operation is convenient, so that the whole cost of splicing walls of the monitoring unit is greatly reduced.
Description
Technical field
The present invention relates to the signal input and output control technology of display device, particularly the logical technology of a kind of hoop of monitor unit.
Background technology
In conventional monitors, each monitor unit needs external a plurality of controllers to carry out the transmission of AV vision signal, S-VIDEO signal, VGA signal.For instance, as shown in Figure 1, in the combination system that 9 monitor units constitute, need 3 controllers to carry out the transmission of AV vision signal, S-VIDEO signal, VGA signal, each controller all needs 9 incoming lines.Therefore, needing increases a lot of external devices, takies very large space, and these external equipments installations are complicated, and simultaneously, also there is inconsistency in various signals.
Therefore, need a kind of technology in monitor joined screen, not use external device, can realize that the multiple signals ring is logical, reduce input picture otherness simultaneously.This is present problem demanding prompt solution.
Summary of the invention
Weak point in view of above-mentioned prior art; The object of the present invention is to provide a kind of monitor unit hoop way system and method, it can save external matrix equipment through the logical technology of multi-way signal multiplexing ring; Reduce picture input otherness; Install simultaneously simply, operation is also convenient, greatly reduces the whole cost of monitor unit combination.
In order to achieve the above object, the present invention has taked following technical scheme:
A kind of monitor unit hoop way system wherein, comprises hoop circuit passband and signal switching circuit; Said hoop circuit passband realizes that through the VGA interface ring of rgb signal, S-VIDEO signal and two kinds of AV vision signals is logical, and said signal switching circuit is input to corresponding ring messenger in the monitor unit through RJ45 interface and automatic switching signal control switch.
Described monitor unit hoop way system, wherein, said Signal-controlled switch is PI5V330Q.
Described monitor unit hoop way system, wherein, said Signal-controlled switch is 74HCX4052.
Described monitor unit hoop way system, wherein, said Signal-controlled switch is GPIO.
Described monitor unit hoop way system, wherein, said monitor unit has picture processing chip.
Described monitor unit hoop way system, wherein, said signal switching circuit transmits through the RJ45 interface with the RS232 agreement.
A kind of monitor unit hoop circulation method wherein, may further comprise the steps:
S1, monitor unit receives signal from main frame, and analyzes;
S2 judges whether if then carry out step S3, not to be then to carry out S1 again into the corresponding monitor unit of said signal;
S3, monitor unit judge whether to be AV vision signal 1, if then carry out step S7, are not then to carry out step S4;
S4, monitor unit judge whether to be AV vision signal 2, if then carry out step S8, are not then to carry out step S5;
S5, monitor unit judge whether the vision signal into S-VIDEO, if then carry out step S9, are not then to carry out step S6;
S6, monitor unit judge whether to be rgb video signal, if then carry out step S10, are not then to carry out step S1;
S7, vision signal switches to AV vision signal 1 and encircles logically, carries out step S11;
S8, vision signal switches to AV vision signal 2 and encircles logically, carries out step S11;
S9, vision signal switches to the S-VIDEO vision signal and encircles logically, carries out step S11;
S10, vision signal switches to rgb video signal and encircles logically, carries out step S11;
S11, display unit encircle messenger and show.
Monitor unit hoop way system provided by the invention and method; Through on circuit, increasing by two common VGA interfaces; An interface is as the logical input of hoop, and another interface passes through relay again as the logical output of hoop; Signal shift switch couples together the picture processing chip on the logical input of ring, the logical output of ring and the display unit, realizes with software that signal is held high office in each unit inner loop through control bus at last and shows.
Description of drawings
Fig. 1 is a monitor unit signal transmission sketch map in the prior art;
Fig. 2 is the sketch map of the monitor unit hoop way system of the embodiment of the invention;
Fig. 3 is a signal controlling interface sketch map in the logical technology of the monitor unit hoop of the embodiment of the invention;
Fig. 4 is rgb signal switching switch circuit figure in the logical technology of the monitor unit hoop of the embodiment of the invention;
Fig. 5 is a S-VIDEO signal shift switch circuit diagram in the logical technology of the monitor unit hoop of the embodiment of the invention;
Fig. 6 is AV vision signal 1 switching switch circuit figure in the logical technology of the monitor unit hoop of the embodiment of the invention;
Fig. 7 is AV vision signal 2 switching switch circuit figure in the logical technology of the monitor unit hoop of the embodiment of the invention;
Fig. 8 is the logical flow chart of hoop in the logical technology of the monitor unit hoop of the embodiment of the invention.
Embodiment
The present invention provides a kind of monitor unit hoop way system and method, and is clearer, clear and definite for making the object of the invention, technical scheme and effect, 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, it is the sketch map of the monitor unit hoop way system of the embodiment of the invention.As shown in the figure, the vision signal of sending through main frame 100 121 and control signal 122 form ring in first monitor unit 111, second monitor unit 112, the 3rd monitor unit 113, the 4th monitor unit 114 logical.
Further; The logical realization of said vision signal 121 rings is through input and the output interface of two VGA interfaces as the ring messenger, the total 15PIN of the logical input interface of ring, but transmission of one line rgb signal; One road S-VIDEO signal, two-way AV vision signal: AV vision signal 1 and AV vision signal 2; The logical output interface of ring is corresponding with input interface respectively, and the logical output interface of ring couples together with the inner picture processing chip of monitor unit, leads at physically ring to realize multiple signals.
Said control signal 122 is to utilize the RS232 agreement through two RJ45 interface transmission, and an interface is the control input, and an interface is control output; Simple, compatible good because of the wiring of RS232 agreement, so having, the RJ45 interface transmits conveniently; Effects such as transmission range increases, and shared property is good.Secondly come the control signal ring to lead to the demonstration on each monitor unit with software: after monitor unit receives control command; Through analysis, the automatic switching signal control switch, wherein; Signal-controlled switch comprises PI5V330Q, 74HCX4052, GPIO mouth etc.; Be input to corresponding ring messenger on the inner image processing master chip of monitor unit again, simultaneously logical next monitor unit, the identical picture signal of each unit demonstration of realization monitor of outputing to of ring.
Because of working as be, the monitor unit of indication not only comprises 4 monitor units shown in the figure among the present invention with understanding, and should be specific to pairing monitor unit quantity in the corresponding combination system.
Fig. 3～Fig. 7 is respectively signal controlling interface sketch map, rgb signal switching switch circuit figure, S-VIDEO signal shift switch circuit diagram, AV vision signal 1 switching switch circuit figure, AV vision signal 2 switching switch circuit figure.
Please continue to consult Fig. 8, in detail clear more for making among the present invention monitor unit hoop way system, combine Fig. 8 to describe its realization flow in detail at present.
Specifically, comprise following step:
S1, monitor unit receives signal from main frame, and analyzes;
S2 judges whether if then carry out step S3, not to be then to carry out S1 again into the corresponding monitor unit of said signal;
S3, monitor unit judge whether to be AV vision signal 1, if then carry out step S7, are not then to carry out step S4;
S4, monitor unit judge whether to be AV vision signal 2, if then carry out step S8, are not then to carry out step S5;
S5, monitor unit judge whether the vision signal into S-VIDEO, if then carry out step S9, are not then to carry out step S6;
S6, monitor unit judge whether to be rgb video signal, if then carry out step S10, are not then to carry out step S1;
S7, vision signal switches to AV vision signal 1 and encircles logically, carries out step S11;
S8, vision signal switches to AV vision signal 2 and encircles logically, carries out step S11;
S9, vision signal switches to the S-VIDEO vision signal and encircles logically, carries out step S11;
S10, vision signal switches to rgb video signal and encircles logically, carries out step S11;
S11, display unit encircle messenger and show.
Generally speaking; Monitor unit hoop way system provided by the invention and method, through on circuit, increasing by two common VGA interfaces, an interface is as the logical input of hoop; Another interface is as the logical output of hoop; Through relay, signal shift switch couples together the picture processing chip on the logical input of ring, the logical output of ring and the display unit again, realizes with software that signal is held high office in each unit inner loop through control bus at last and shows.
Therefore; Through a kind of monitor unit hoop way system provided by the invention and method, it utilizes the multi-way signal multiplexing ring to lead to control technology, has saved external matrix equipment; Reduced picture input otherness; Install simultaneously simply, operation is also convenient, greatly reduces the whole cost of monitor unit combination.
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 range of the appended claim of the present invention.
Claims (7)
1. a monitor unit hoop way system is characterized in that: comprise hoop circuit passband and signal switching circuit; Said hoop circuit passband realizes that through the VGA interface ring of rgb signal, S-VIDEO signal and two kinds of AV vision signals is logical, and said signal switching circuit is input to corresponding ring messenger in the monitor unit through RJ45 interface and automatic switching signal control switch.
2. monitor unit hoop way system according to claim 1 is characterized in that: said Signal-controlled switch is PI5V330Q.
3. monitor unit hoop way system according to claim 1 is characterized in that: said Signal-controlled switch is 74HCX4052.
4. monitor unit hoop way system according to claim 1 is characterized in that: said Signal-controlled switch is GPIO.
5. monitor unit hoop way system according to claim 1, it is characterized in that: said monitor unit has picture processing chip.
6. monitor unit hoop way system according to claim 1 is characterized in that: said signal switching circuit transmits through the RJ45 interface with the RS232 agreement.
7. a monitor unit hoop circulation method is characterized in that, may further comprise the steps:
S1, monitor unit receives signal from main frame, and analyzes;
S2 judges whether if then carry out step S3, not to be then to carry out S1 again into the corresponding monitor unit of said signal;
S3, monitor unit judge whether to be AV vision signal 1, if then carry out step S7, are not then to carry out step S4;
S4, monitor unit judge whether to be AV vision signal 2, if then carry out step S8, are not then to carry out step S5;
S5, monitor unit judge whether the vision signal into S-VIDEO, if then carry out step S9, are not then to carry out step S6;
S6, monitor unit judge whether to be rgb video signal, if then carry out step S10, are not then to carry out step S1;
S7, vision signal switches to AV vision signal 1 and encircles logically, carries out step S11;
S8, vision signal switches to AV vision signal 2 and encircles logically, carries out step S11;
S9, vision signal switches to the S-VIDEO vision signal and encircles logically, carries out step S11;
S10, vision signal switches to rgb video signal and encircles logically, carries out step S11;
S11, display unit encircle messenger and show.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105513570A CN102469299A (en) | 2010-11-19 | 2010-11-19 | Signal annular communication system and method of monitoring unit |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105513570A CN102469299A (en) | 2010-11-19 | 2010-11-19 | Signal annular communication system and method of monitoring unit |
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Citations (6)
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| CN2702560Y (en) * | 2004-06-26 | 2005-05-25 | 海信集团有限公司 | YPbPr signal and RGB signal switching circuit of PDP television |
| CN201039353Y (en) * | 2007-04-10 | 2008-03-19 | 青岛海信电器股份有限公司 | Selection recognition circuit for multi-channel signal source interface |
| CN201048032Y (en) * | 2006-12-29 | 2008-04-16 | 深圳市奥拓电子有限公司 | LED video control system |
| CN201146581Y (en) * | 2008-01-03 | 2008-11-05 | 青岛海信电器股份有限公司 | Signaling channel detection circuit and television containing the same |
| CN201422137Y (en) * | 2009-03-23 | 2010-03-10 | 上海金灿电子科技有限公司 | Matrix switcher |
| CN101819755A (en) * | 2009-02-27 | 2010-09-01 | 深圳Tcl新技术有限公司 | Monitor joined screen with function of displaying multi-channel video signals and realization method thereof |
-
2010
- 2010-11-19 CN CN2010105513570A patent/CN102469299A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2702560Y (en) * | 2004-06-26 | 2005-05-25 | 海信集团有限公司 | YPbPr signal and RGB signal switching circuit of PDP television |
| CN201048032Y (en) * | 2006-12-29 | 2008-04-16 | 深圳市奥拓电子有限公司 | LED video control system |
| CN201039353Y (en) * | 2007-04-10 | 2008-03-19 | 青岛海信电器股份有限公司 | Selection recognition circuit for multi-channel signal source interface |
| CN201146581Y (en) * | 2008-01-03 | 2008-11-05 | 青岛海信电器股份有限公司 | Signaling channel detection circuit and television containing the same |
| CN101819755A (en) * | 2009-02-27 | 2010-09-01 | 深圳Tcl新技术有限公司 | Monitor joined screen with function of displaying multi-channel video signals and realization method thereof |
| CN201422137Y (en) * | 2009-03-23 | 2010-03-10 | 上海金灿电子科技有限公司 | Matrix switcher |
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Application publication date: 20120523 |