CN107222690A - A kind of multichannel input and the device of output HDMI2.0 matrix form switchings - Google Patents
A kind of multichannel input and the device of output HDMI2.0 matrix form switchings Download PDFInfo
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- CN107222690A CN107222690A CN201710519120.6A CN201710519120A CN107222690A CN 107222690 A CN107222690 A CN 107222690A CN 201710519120 A CN201710519120 A CN 201710519120A CN 107222690 A CN107222690 A CN 107222690A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/222—Studio circuitry; Studio devices; Studio equipment
- H04N5/262—Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the electronic generation of special effects
- H04N5/268—Signal distribution or switching
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/015—High-definition television systems
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Electronic Switches (AREA)
Abstract
The present invention relates to the device of a kind of input of multichannel and output HDMI2.0 matrix form switchings, the device includes matrix box, and multiple signal sources, multiple audiovisual terminals and the external control terminal being connected respectively with matrix box；Surface-mounted integrated circuit is provided with matrix box, matrix switch system and control system are integrated with the circuit board, the back side of matrix box is provided with matrix box signal output port, multiple one stage signal input ports, a multidigit EDID controlling switch, a control port of RS 232 and power port.The present invention is based on HDMI2.0 standards, is 3840*2160@60HzYCbCr4 supporting highest resolution:4:4 road signal inputs and the switching of 4 tunnel signal outputs are carried out on 48bit 18Gpbs chip matrixs, and matrix on the market only supports 3840*2160 30HzYCbCr4 at present:4:48bit、3840*2160@60HzYCbCr4:2:08bit resolution ratio, the highest resolution that the present invention is supported is on the market 2 times, greatly improves Consumer's Experience, and each module smart design so that small product size is small, tailored appearance, easy to operate.
Description
【Technical field】
The present invention relates to signal transmission technology field, more particularly to a kind of multichannel input and output HDMI2.0 matrix forms
The device of switching.
【Background technology】
High-definition multimedia excuse (High Definition Multimedia Interface, HDMI) be it is a kind of not
The digital consumption electronic product interface standard of compression, by high definition video and multichannel audio frequency and video fusion connection to single number
Synthesis processing is carried out on word interface, is sent out by single line cable, is widely used in high-density digital video CD
(Digital Video Disc, DVD) player, cable television/satellite TV set-top boxes, high-definition television (High
Definition Television, HDTV) and other digital audiovisual equipments on, the quality of digital picture can be effectively improved,
No longer need to carry out analog-to-digital conversion.
Nowadays HDMI has become the main connected mode of electronic product audio video transmission.Due to chip technology
High speed development, HDMI standard has also been upgraded to HDMI2.0 from HDMI1.0, signal transmission bandwidth also more and more higher.With source
End signal equipment (such as blue-ray DVD, game machine, computer etc.), audio processing equipment (such as digital audio-power amplifier, analogue audio frequency power amplifier
Deng) and display end equipment (television set, display etc.) continuous upgrading, cause the compatibility that there is connection between the old and new's equipment to ask
Topic.
【The content of the invention】
On high definition audio-visual equipment, resolution ratio height influence tonequality and visual effect also influence Consumer's Experience, purport of the present invention
HDMI video/audio terminal device connectivity problems are being solved, and the dress of a kind of multichannel input and output HDMI2.0 matrix form switchings is provided
Put, both can compatible a variety of digital devices, it is easy to operate, can also reduce loss in signals transmission and improve Consumer's Experience
Degree.
To achieve the above object, the present invention provides the device of a kind of multichannel input and output HDMI2.0 matrix form switchings, its
Be characterised by, the device include matrix box, and be connected respectively with matrix box multiple signal sources, multiple audiovisual terminals and one
Individual external control terminal；
It is provided with the matrix box on surface-mounted integrated circuit, the circuit board and is integrated with matrix switch system and control system, institute
Opened provided with matrix box signal output port, multiple one stage signal input ports, a multidigit EDID controls at the back side for stating matrix box
Close, a RS-232 control port and power port, the one stage signal input port and signal output port respectively with matrix
Switching system is connected, and the power port is connected with surface-mounted integrated circuit；
One end of the RS-232 control ports is connected with external control terminal, and the other end is connected with control system；
The multidigit EDID controlling switches are connected with control system, when the multidigit EDID controlling switches are opened/closed,
Its corresponding multiple one stage signal input port is in signal circulation/cut-off state；
The front of the matrix box is provided with power key, numeral method device and passes through control system and numeral method device
The multiple second signal run-out keies being connected, the numeral method device includes corresponding with multiple second signal run-out keies many
Individual figure case, the numerical value for once triggering correspondence figure case of the second signal run-out key, which is rolled, Jia 1；
The matrix switch system includes chip matrix, receives chip, transmitting chip, the chip matrix and control system
It is connected；Described one end for receiving chip is connected with one stage signal input port, and the other end is connected with chip matrix, described
Chip is received also with control system to be connected；One end of the transmitting chip is connected with signal output port, the other end and square
Battle array chip is connected, and the transmitting chip is also connected with control system；
The control system includes one stage signal input control module, second signal output control module, transmitting chip control
Molding block, reception chip control module and RS-232 control modules, the one stage signal input control module are controlled with EDID
Switch is connected, and the second signal output control module is connected with second signal run-out key and digital tube display, described
Transmitting chip control module is connected with transmitting chip, and the reception chip control module is connected with receiving chip, the RS-
232 control modules are connected by RS-232 control ports with external control terminal；
The individual signals source includes multiple second signal output ports, and the second signal output port passes through one one
There are multiple interfaces at end, and the one of other end only one interface drags many data wires and an one stage signal input port phase on matrix box
Connection；Multiple one stage signal input ports on the multiple signal source homography box；
The multiple audiovisual terminals are connected with the matrix box signal output port on matrix box；
The external control terminal is the computer with control panel, control flat board, the external control terminal and RS-
232 control modules are connected, order of the external control terminal provided with control one stage signal input control module, control two
The order of level signal output control module, the order for controlling transmitting chip control module, the life of control reception chip control module
Order.
The chip matrix is support highest resolution 3840*2160@60Hz, YCbCr4:4:48bit 18Gbps matrixes
Chip, signal output port and the one stage signal input port is the high-definition audio and video interface based on HDMI2.0 standards.
The matrix box signal output port and multiple one stage signal input ports are separately positioned on matrix box back side one end
Two rows, wherein a row be matrix box signal output port, another row be multiple one stage signal input ports, the matrix
The box back side other end is provided with multidigit EDID controlling switches, RS-232 control ports and power port side by side.
Buzzer is additionally provided with the matrix box, one end of the buzzer is connected with second signal run-out key, another
End is connected with control system,
The control system also includes buzzer control module, and the buzzer control module is connected with buzzer.
The external control terminal also includes the order of control buzzer control module.
The multiple second signal output port, multiple one stage signal input ports, matrix box signal output port, it has
Body is 4 second signal output ports, 4 one stage signal input ports, 4 matrix box signal output ports, accordingly, described
Multiple figure cases, the higher limit of figure case, multidigit EDID controlling switches, multiple second signal run-out keies, it is specially 4 numbers
Position, the higher limit of figure case are 4,4 EDID controlling switches, 4 second signal run-out keies.
The positive effect of the present invention is：The present invention supports highest resolution to support 3840*2160@60Hz YCbCr4:4:
48bit, matrix only supports 3840*2160@30Hz YCbCr4 on the market at present:4:48bit、3840*2160@60Hz
YCbCr4:2:08bit, it is 2 times on the market to support resolution ratio；Using double-deck HDMI input and output seat, reduce matrix box body product；
Using EDID intelligent switch and numeral method device, man-machine interaction during matrix manipulation so that signal transition state is directly perceived is improved eventually
Hold the efficiency of desired signal switching；Using RS-232 control modules, it is easy to transfer control instructions in the network equipment, more just
Just, intuitively, and the RS-232 modules that use of the present invention DB9 serial port module volume more general than on the market is smaller, cost is relatively low.
The present invention improves the accuracy of signal switching and delivery efficiency by using above-mentioned module, and signals transmission loss is small, and
And in the like product of market, it is economical and practical.
【Brief description of the drawings】
Fig. 1 is application state reference view of the present invention
Fig. 2 is the schematic perspective view of matrix box
Fig. 3 is the front schematic view of matrix box
Fig. 4 is the schematic rear view of matrix box
Fig. 5 is the internal structure schematic diagram of matrix box
Fig. 6 is the annexation schematic diagram of each system of the invention
Fig. 7 is control system operating diagram
Fig. 8 is signal input and output and change in process schematic diagram
【Embodiment】
The following example is further explanation of the present invention, and the present invention is not limited in any way.
As shown in figure 1, the device of a kind of multichannel input and output HDMI2.0 matrix form switchings is present embodiments provided, its
Be characterised by, the implementation method include matrix box 10, and be connected respectively with matrix box multiple signal sources 20, multiple audio-visual ends
End 30 and an external control terminal 40.
As shown in Fig. 2 the matrix box 10 of the present embodiment is a cuboid metal shell, the both sides of housing dissipate provided with multiple
The airing hole of heat, enclosure interior is used for fixing electronic component, and the front of housing is provided with display apparatus and control device, shell
The body back side is provided with various ports, and the edge of housing sets the chamfering of rounding off, and the bottom of housing is provided with for carrying for supporting
The leg of flexible gasket.
In the present embodiment, the inside of the matrix box 10, which is provided with one piece of surface-mounted integrated circuit 11, the circuit board 11, to be integrated with
Matrix switch system 111, control system 112 and power-supply system 113.As shown in figure 4, the back side of matrix box 10 is provided with 4 signals
The port of output port 12 (position is labeled as A B C D), (port position is labeled as A B C to 4 one stage signal input ports 13
D), 4 EDID controlling switches 14 and power port 16.One stage signal input port 13 and matrix the box signal output part
Mouth 12 is connected with the matrix switch system 111 on circuit board 11 respectively, and the one stage signal input port 13 is used for and outside
Signal source 20 is connected, and the present embodiment includes multiple signal sources 20, and each signal source 20 has multiple second signal output ports
201, one second signal of each signal output port 201 correspondence in signal source 20, therefore the signal output in signal source 20
Port is referred to as second signal port, and there are multiple interfaces the multiple second signal port 201 by an one end, and the other end is only
The one of one interface drags many data wires 21 to be connected with an one stage signal input port 13 on matrix box 10.The power end
Mouth 16 is connected with circuit board 11, is powered for all electric elements；
In the present embodiment, the multidigit EDID intelligent switch 14 is connected with control system 112, specifically has 4 dial-ups to open
Close, per dialling or set aside a kind of status input signal of correspondence on bit switch, when 4 bit switches all it is upper dial when, the now intelligent switch work(
RS-232 terminal devices control 40 can be transferred to, when 4 bit switches are all set aside, the input of certain signal is set to by product is self-defined
State；The matrix box signal output port 12 and multiple one stage signal input ports 13 are separately positioned on the front one of matrix box 10
The two rows at end, wherein a row is matrix box signal output port 12, another row is multiple one stage signal input ports 13, institute
State the positive other end of matrix box 10 and be respectively equipped with multidigit EDID intelligent control switch 14 and power port 16 side by side.
In the present embodiment, as shown in figure 3, the front of matrix box 10 provided with power standby key 17, numeral method device 18 and
The multiple second signal run-out keies 19 being connected by control system 112 with numeral method device 18, numeral method device 18 contains 4
Individual display location, second signal run-out key 19 is containing 4 buttons, and it is A, B, C, D, second signal run-out key that both positions, which are corresponded,
19 often trigger once, and the position digital of correspondence numeral method device 18 adds 1, numeral represent the second signal run-out key 19 it is corresponding certain
The individual position of one stage signal input port 13, such as, when numeral method device 18A position digitals are 2, representing matrix box output A
The signal of port is inputted by one-level input signal B ports.It should be noted that the numerically limit value of each viewing area position is
4, when certain display position reaches digital 4, run-out key is triggered again, charactron is in the automatic rebound numeral 1 in the position display position.
In the present embodiment, positive 17 long-press of power standby key of matrix box 10 can enter resting state in 3 seconds, enter again
Working condition, only need to be quickly by once.
In the present embodiment, as shown in fig. 6, matrix switch system 111 includes chip matrix 1111, receives chip 1112, hair
Core shooting piece 1113, described one end for receiving chip 1112 is connected with one stage signal input port 13, the other end and chip matrix
1111 are connected, and the reception chip 1112 is also connected with control system 112 and power-supply system 113；The transmitting chip
1113 one end is connected with matrix box signal output port 12, and the other end is connected with chip matrix 1111, the transmitting core
Piece 1113 is also connected with control system 112 and power-supply system 113；The chip matrix 1111 and control system 112 and power supply
System 113 is connected；The chip matrix 1111 is support highest resolution 3840*2160@60Hz, YCbCr4:4:48bit's
18Gbps chip matrixs, signal output port and the one stage signal input port is the high-definition audio and video based on HDMI2.0 standards
Interface.
In the present embodiment, buzzer 50, one end and the phase of second signal run-out key 19 of buzzer 50 are additionally provided with matrix box
Connection, second signal run-out key 19 is often triggered once, and buzzer 50 sends a sound；The other end of buzzer 50 and control system
112 are connected with power-supply system 113.
In the present embodiment, as shown in fig. 7, control system 112 includes one stage signal input control module 1121, second signal
Output control module 1122, transmitting chip control module 1123, reception chip control module 1124 and RS-232 control modules
1125, the one stage signal input control module 1121 is connected with EDID controlling switches 14, the second signal output control
Module 1122 is connected with second signal run-out key 18 and digital tube display 18, the transmitting chip control module 1123 and hair
Core shooting piece 1113 is connected, and the reception chip control module 1124 is connected with receiving chip 1112, the RS-232 controls
Module 1125 is connected by RS-232 control ports 15 with external control terminal 40；
The signal source 20 includes multiple second signal output ports 201, and the second signal output port 201 passes through one
Bar one drags many data wires 21 to be connected with an one stage signal input port 13 on matrix box 10；
The audiovisual terminals 30 are connected with the matrix box signal output port 12 on matrix box 10.
In the present embodiment, the external control terminal 40 is the computer with control panel, control flat board, the chain of command
Plate is connected with RS-232 control modules 1125, and external control terminal 40 can control all modules instead of matrix box 10；It is described
One end of RS-232 control ports 15 is connected with external control terminal 40, and the other end is connected with control system 112.
In the present embodiment, one end of the transmitting chip 1113 is connected with matrix box signal output port 13, another
End is connected with chip matrix 1111, and the transmitting chip 1113 is also connected with control system 112 and power-supply system 113, institute
The one end for stating reception chip 1112 is connected with one stage signal input port 13, and the other end is connected with chip matrix 1111, institute
Reception chip 1112 is stated also with control system 112 and power-supply system 113 to be connected.As shown in figure 8, the reception chip 1112 will
One stage signal input control system, control system identification signal message is simultaneously decoded to chip matrix 1111, and chip matrix 1111 is again
By information conveyance to transmitting chip 1113；Oppositely, matrix box signal output port 12 is connected and acquisition terminal with terminal device
Equipment desired signal, transmitting chip 1113 is imported by this information, and control system 112 can receive this information and order reception chip
1112 access to induction signal from one stage signal input port 13.
Take this, the present invention is by being 3840*2160@60Hz supporting highest resolution based on HDMI2.0 standards
YCbCr4:4:4 road signal inputs and the switching of 4 tunnel signal outputs are carried out on 48bit 18Gpbs chip matrixs 1111, with reference to
EDID intelligent switch 14, numeral method device 18, buzzer 50 and RS-232 control ports 15, artificial, multimode selection are optimal
Signal is to terminal device.
Matrix on the market only supports 3840*2160@30Hz YCbCr4 at present:4:4 8bit、3840*2160@
60HzYCbCr4:2:08bit resolving power, and the highest resolution that the present invention is supported is on the market 2 times, greatly improves use
Experience at family；The various module smart designs of the present invention so that small product size is small, tailored appearance, easy to operate.
Although being disclosed by above example to the present invention, the scope of the present invention is not limited thereto,
Under conditions of present inventive concept, each component of the above can with art personnel understand similar or equivalent element come
Replace.
Claims (8)
1. a kind of multichannel input and the device of output HDMI2.0 matrix form switchings, it is characterised in that the device includes matrix box
(10) multiple signal sources (20), multiple audiovisual terminals (30) and the outside control, and being respectively connected with matrix box (10)
Terminal (40) processed；
It is provided with the matrix box (10) on surface-mounted integrated circuit (11), the circuit board and is integrated with matrix switch system (111), control
System (112) and power-supply system (113), the back side of the matrix box are provided with matrix box signal output port (12), multiple one-levels
Signal input port (13), a multidigit EDID controlling switch (14), a RS-232 control port (15) and power port
(16), the one stage signal input port (13) and matrix box signal output port (12) respectively with matrix switch system (111)
It is connected, the power port (16) is connected with surface-mounted integrated circuit (11)；
One end of the RS-232 control ports (15) is connected with external control terminal (40), the other end and control system
(112) it is connected；
The multidigit EDID controlling switches (14) are connected with control system (112), and the multidigit EDID controlling switches (14) are opened
When opening/closing, its corresponding multiple one stage signal input port (13) is in signal circulation/cut-off state；
The front of the matrix box (10) is provided with power standby key (17), numeral method device (18) and passes through control system
(112) the multiple second signal run-out keies (19) being connected with numeral method device (18), numeral method device (18) bag
Include the multiple figure cases (191) corresponding with multiple second signal run-out keies (19), the one of the second signal run-out key (19)
The numerical value of secondary triggering correspondence figure case (191), which is rolled, Jia 1；
The matrix switch system (111) includes chip matrix (1111), multiple reception chips (1112), multiple transmitting chips
(1113), the chip matrix (1111) is connected with control system (112), power-supply system (113)；The single reception chip
(1112) one end is connected with single one stage signal input port (13), and the other end is connected with chip matrix (1111), institute
Reception chip (1112) is stated also with control system (13), power-supply system (113) to be connected；The single transmitting chip (1113)
One end is connected with individual signals output port (12), and the other end is connected with chip matrix (1111), the transmitting chip
(1113) also it is connected with control system (112), power-supply system (113)；
The control system (112) includes one stage signal input control module (1121), second signal output control module
(1122), transmitting chip control module (1123), reception chip control module (1124) and RS-232 control modules (1125),
The one stage signal input control module (1121) is connected with intelligence EDID controlling switches (14), the second signal output control
Molding block (1122) is connected with second signal run-out key (19) and digital tube display (18), the transmitting chip control module
(1123) it is connected with transmitting chip (1113), the reception chip control module (1124) is connected with receiving chip (1112)
Connect, described RS232 control modules (1125) one end is controlled with the one stage signal input control module (1121), second signal output
Molding block (1122), transmitting chip control module (1123), reception chip control module (1124) are connected, and the other end passes through
RS-232 control ports (15) are connected with external control terminal (40)；
The individual signals source (20) includes multiple second signal output ports (201), the second signal output port (201)
There are multiple interfaces by an one end, the one of other end only one interface drags many data wires (21) and one on matrix box (10)
One stage signal input port (13) is connected；Multiple one stage signal inputs on the multiple signal source (20) homography box (10)
Port (13)；
The multiple audiovisual terminals (40) are connected with the matrix box signal output port (12) of (10) on matrix box；
The external control terminal (40) be the computer with control panel, control flat board, the external control terminal (40) with
RS-232 control modules (1125) are connected, and the external control terminal (40) is provided with control one stage signal input control module
(1121) order, the order of control second signal output control module (1122), control transmitting chip control module (1123)
Order, control receive chip control module (1124) order.
2. multichannel input as claimed in claim 1 and the device of output HDMI2.0 matrix form switchings, it is characterised in that described
Chip matrix is support highest resolution 3840*2160@60Hz, YCbCr4:4:48bit 18Gbps chip matrixs, the letter
Number output port and one stage signal input port are the high-definition audio and video interface based on HDMI2.0 standards.
3. multichannel input as claimed in claim 1 and the device of output HDMI2.0 matrix form switchings, it is characterised in that described
Matrix box signal output port (12) and multiple one stage signal input ports (13) are separately positioned on matrix box (10) back side one end
Two rows, wherein a row be matrix box signal output port (12), another row be multiple one stage signal input ports (13),
Matrix box (10) back side other end is provided with multidigit EDID controlling switches (14), RS-232 control ports (15) and power supply side by side
Port (16).
4. multichannel input as claimed in claim 1 and the device of output HDMI2.0 matrix form switchings, it is characterised in that described
Buzzer (50) is additionally provided with matrix box (10), one end of the buzzer (50) is connected with second signal run-out key (19),
The other end is connected with control system (112).
5. multichannel input as claimed in claim 4 and the device of output HDMI2.0 matrix form switchings, it is characterised in that described
Control system also includes buzzer control module (51), and described buzzer control module (51) one end is connected with buzzer (50)
Connect, the other end is connected with RS232 control modules (1125).
6. multichannel input as claimed in claim 4 and the device of output HDMI2.0 matrix form switchings, it is characterised in that described
External control terminal (40) also includes the order of control buzzer control module (51).
7. multichannel input as claimed in claim 1 and the device of output HDMI2.0 matrix form switchings, it is characterised in that described
Multiple second signal output ports (201), multiple one stage signal input ports (13), multiple matrix box signal output ports
(12), it is specially that 4 second signal output ports (201), 4 one stage signal input ports (13), 4 matrix box signals are defeated
Exit port (12), accordingly, the multiple figure case (191), the higher limit of figure case (191), multidigit EDID controlling switches
(14), multiple second signal run-out keies (19), multiple reception chips (1112), multiple transmitting chips (1113), it is specially 4
Figure case (191), the higher limit of figure case are 4,4 EDID controlling switches (14), 4 second signal run-out keies (19), 4 connect
Receive chip (1112), 4 transmitting chips (1113).
8. multichannel input as claimed in claim 1 and the device of output HDMI2.0 matrix form switchings, it is characterised in that described
Transmitting chip (1112) and reception chip (1113) are SiI9396 chips.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710519120.6A CN107222690A (en) | 2017-06-30 | 2017-06-30 | A kind of multichannel input and the device of output HDMI2.0 matrix form switchings |
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| CN201710519120.6A CN107222690A (en) | 2017-06-30 | 2017-06-30 | A kind of multichannel input and the device of output HDMI2.0 matrix form switchings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108683864A (en) * | 2018-06-14 | 2018-10-19 | 深圳市东明炬创电子有限公司 | A kind of matrix switcher of integrated 4K high definitions HDMI Inverse problem technologies |
-
2017
- 2017-06-30 CN CN201710519120.6A patent/CN107222690A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108683864A (en) * | 2018-06-14 | 2018-10-19 | 深圳市东明炬创电子有限公司 | A kind of matrix switcher of integrated 4K high definitions HDMI Inverse problem technologies |
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