CN206922930U - A kind of video interface device and system - Google Patents
A kind of video interface device and system Download PDFInfo
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- CN206922930U CN206922930U CN201720573814.3U CN201720573814U CN206922930U CN 206922930 U CN206922930 U CN 206922930U CN 201720573814 U CN201720573814 U CN 201720573814U CN 206922930 U CN206922930 U CN 206922930U
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Abstract
The utility model discloses a kind of video interface device and system, the video source signal for signal source equipment being sent using the first video interface module, display device is sent to by the second video interface module.The control process signal for processing equipment being sent using communication interface modules, display device is sent to by the second video interface module, to be debugged to display device.The status signal of display device transmission is received by the second video interface module using communication interface modules, and is sent to processing equipment, so as to the state of monitoring display device.In the utility model, signal source equipment provides video source signal to display device, and processing equipment carries out parameter reading and writing to display device, can compatible different display device, easy to operate, cost is low.
Description
Technical field
The utility model belongs to technical field of video communication, more particularly to a kind of video interface device and system.
Background technology
In display device production phase, all products will be debugged and detected before dispatching from the factory, to display device
Color parameter and EDID data (Extended Display Identification Data, extending display identification data) etc.
It is configured modification or reads and check, it is therefore desirable to have interface equipment completes the read-write operation to display device.
Prior art uses the special purpose interface equipment of each model display device, it is impossible to compatible different display device, causes
Operation inconvenience, cost are high.
Utility model content
The utility model embodiment provides a kind of video interface device and system, it is intended to solves prior art using various
The special purpose interface equipment of number display device, it is impossible to compatible different display device, cause operation inconvenience, the problem of cost is high.
A kind of video interface device that the utility model embodiment provides, sets with processing equipment, signal source equipment and display
Back-up does not connect, and for being debugged and being monitored to display device, video interface device includes communication interface modules, the first video
Interface module and the second video interface module.
Communication interface modules is connected with processing equipment, the first video interface module and the second video interface module respectively, the
One video interface module is connected with the second video interface module, and the first video interface module is connected with signal source equipment, and second regards
Frequency interface module is connected with display device.
The video source signal that first video interface module sends signal source equipment, sent by the second video interface module
To display device；The control process signal that communication interface modules sends processing equipment, sent by the second video interface module
To display device, to be debugged to display device；Communication interface modules receives display by the second video interface module and set
The status signal that preparation is sent, and processing equipment is sent to, so as to the state of monitoring display device.
In one embodiment, the first video interface module includes the first VGA units, the first DVI units and the first HDMI
Unit.
Second video interface module includes the 2nd VGA units and the first DVI units of connection corresponding with the first VGA units
2nd DVI units of corresponding connection and the 2nd HDMI units of connection corresponding with the first HDMI units.
When the first VGA units connect with communication interface modules and signal source equipment respectively, the 2nd VGA units respectively with communication
When interface module is connected with display device, the first DVI units and the first HDMI units not with communication interface modules and signal source
Equipment is connected, the 2nd DVI units and the 2nd HDMI units are not connected with communication interface modules and display device.
When the first DVI units connect with communication interface modules and signal source equipment respectively, the 2nd DVI units respectively with communication
When interface module is connected with display device, the first VGA units and the first HDMI units not with communication interface modules and signal source
Equipment is connected, the 2nd VGA units and the 2nd HDMI units are not connected with communication interface modules and display device.
When the first HDMI units are respectively with communication interface modules and signal source equipment connection, the 2nd HDMI units respectively with leading to
Letter interface module is with display device when connecting, the first DVI units and the first VGA units not with communication interface modules and signal source
Equipment is connected, the 2nd DVI units and the 2nd VGA units are not connected with communication interface modules and display device.
In one embodiment, communication interface modules is opened including communication interface, the first gating switch unit and the second gating
Close unit.
First gating switch unit includes the first way switch, the second way switch and three-way switch.
Second gating switch unit includes four-way switch, the 5th way switch and the 6th way switch.
The clock signal terminal of communication interface is opened with the first end of the first way switch, the first end of the second way switch and the 3rd tunnel
The first end of pass connects altogether, the second end and the clock signal terminal of the first VGA units and the clock of the 2nd VGA units of the first way switch
Signal end connects altogether, the second end and the clock signal terminal of the first DVI units and the clock signal of the 2nd DVI units of the second way switch
End connects altogether, the second end and the clock signal terminal of the first HDMI units and the clock signal terminal of the 2nd HDMI units of three-way switch
Connect altogether.
The data terminal of the communication interface and first end of four-way switch, the first end of the 5th way switch and the 6th way switch
First end connects altogether, and the second end and the data terminal of the first VGA units and the data terminal of the 2nd VGA units of four-way switch connect altogether,
Second end of the 5th way switch connects altogether with the data terminal of the first DVI units and the data terminal of the 2nd DVI units, the 6th way switch
Second end connects altogether with the data terminal of the first HDMI units and the data terminal of the 2nd HDMI units.
In one embodiment, communication interface modules also includes the first voltage regulation unit and the second voltage regulation unit.
The first end of first voltage regulation unit connects the clock signal terminal of communication interface, and the second end of the first voltage regulation unit is grounded,
The first end of second voltage regulation unit connects the data terminal of communication interface, the second end ground connection of the second voltage regulation unit.
In one embodiment, the first voltage regulation unit includes bi-directional voltage stabilizing pipe, two-way TVS pipe or piezo-resistance.
In one embodiment, the second voltage regulation unit includes bi-directional voltage stabilizing pipe, two-way TVS pipe or piezo-resistance.
In one embodiment, communication interface includes parallel interface, serial line interface, USB interface or network interface.
In one embodiment, the first gating switch unit includes row's pin and jumper cap.
In one embodiment, the second gating switch unit includes row's pin and jumper cap.
A kind of video interface system that the utility model embodiment provides, including processing equipment, signal source equipment and display
Equipment, in addition to the video interface device as described above being connected respectively with processing equipment, signal source equipment and display device.
Existing beneficial effect is the utility model embodiment compared with prior art：Will using the first video interface module
The video source signal that signal source equipment is sent, display device is sent to by the second video interface module, realizes signal source equipment
Video standard signal is sent to display device.The control process signal for being sent processing equipment using communication interface modules, is passed through
Second video interface module is sent to display device, to be debugged to display device, realizes processing equipment to display device
Color parameter and EDID data etc. be configured and change.Received using communication interface modules by the second video interface module
The status signal that display device is sent, and processing equipment is sent to, so as to the state of monitoring display device, realize processing equipment pair
The color parameter of display device and EDID data etc. are read out and checked.In the utility model embodiment, signal source equipment to
Display device provides video source signal, and processing equipment carries out parameter reading and writing to display device, can compatible different display device,
Easy to operate, cost is low.
Brief description of the drawings
, below will be to embodiment or prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The required accompanying drawing used is briefly described in description, it should be apparent that, drawings in the following description are only that this practicality is new
Some embodiments of type, for those of ordinary skill in the art, without having to pay creative labor, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the video interface device that one embodiment of the present utility model provides and the function structure chart of system；
Fig. 2 is the structural representation for the video interface device that one embodiment of the present utility model provides.
Embodiment
To enable goal of the invention of the present utility model, feature, advantage more obvious and understandable, below in conjunction with this
Accompanying drawing in utility model embodiment, the technical scheme in the embodiment of the utility model is clearly and completely described, and shows
So, the embodiments described below are only the utility model part of the embodiment, and not all embodiment.Based on this practicality
Embodiment in new, all other reality that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example is applied, belongs to the scope of the utility model protection.
Realization of the present utility model is described in detail below in conjunction with specific accompanying drawing：
Fig. 1 shows the video interface device 100 that the embodiment of the utility model one provided and video interface system 10
Modular structure, for convenience of description, the part related to the utility model embodiment is illustrate only, details are as follows：
As shown in figure 1, the video interface device 100 that the utility model embodiment is provided, with processing equipment 200, signal
Source device 300 and display device 400 connect respectively, for display device 400 to be debugged and monitored, video interface device
100 include communication interface modules 110, the first video interface module 120 and the second video interface module 130.
Communication interface modules 110 respectively with processing equipment 200, the first video interface module 120 and the second video interface mould
Block 130 is connected, and the first video interface module 120 is connected with the second video interface module 130, the first video interface module 120 with
Signal source equipment 300 is connected, and the second video interface module 130 is connected with display device 400.
The video source signal that first video interface module 120 sends signal source equipment 300, pass through the second video interface mould
Block 130 is sent to display device 400；The control process signal that communication interface modules 110 sends processing equipment 200, pass through
The module of two video interface 130 is sent to display device 400, to be debugged to display device 400；Communication interface modules 110
The status signal of the transmission of display device 400 is received by the second video interface module 130, and is sent to processing equipment 200, so as to
The state of monitoring display device 400.
In a particular application, processing equipment 200 includes the control process equipment such as computer or industrial computer.Processing equipment 200
The parameter of display device 400 can be configured and be read, to realize debugging and monitoring to display device 400.
In a particular application, display device 400 includes display, liquid crystal display etc..
In a particular application, signal source equipment 300 includes display signal source dedicated, for being provided to display device 400
Image, video or the voice signal of standard.
In one embodiment, communication interface modules 110 includes parallel cell interface, serial interface unit, USB
(Universal Serial Bus, USB) interface unit or NIU (such as RJ45 connectors), lead to
Letter interface module 110 is used to communicate with processing equipment 200.
In a particular application, the first video interface module 120 and the second video interface module 130 connect including identical video
Mouthful, for example, VGA (Video Graphics Array, video transmission standard) interface, DVI (Digital Visual
Interface, digital visual interface) interface or HDMI (High Definition Multimedia Interface, high definition
Clear degree multimedia interface) interface.Second video interface module 130 can compatible different display device 400.First video interface
The video interface module 130 of module 120 and second respectively passes through I2C buses (Inter- with communication interface modules 110
Integrated Circuit) communicated.
The video source that the utility model embodiment is sent signal source equipment 300 using the first video interface module 120 is believed
Number, display device 400 is sent to by the second video interface module 130, realizes that signal source equipment 300 sends video standard signal
To display device 400.The control process signal for being sent processing equipment 200 using communication interface modules 110, passes through the second video
The module of interface 130 is sent to display device 400, to be debugged to display device 400, realizes processing equipment 200 to display
The color parameter of equipment 400 and EDID data etc. are configured and changed.Connect using communication interface modules 110 by the second video
Mouth mold block 130 receives the status signal that display device 400 is sent, and is sent to processing equipment 200, so as to monitoring display device
400 state, realize that processing equipment 200 is read out and checked to the color parameter of display device 400 and EDID data etc..This
In utility model embodiment, signal source equipment 300 provides video source signal to display device 400, and processing equipment 200 is set to display
Standby 400 carry out parameter reading and writings, can compatible different display device 400, easy to operate, cost is low.
Fig. 2 shows the structural representation for the video interface device 100 that the embodiment of the utility model one is provided, in order to just
In explanation, the part related to the utility model embodiment is illustrate only, details are as follows：
As shown in Fig. 2 in one embodiment of the present utility model, the first video interface module 120 in Fig. 1 includes the
One VGA units 121, the first DVI units 122 and the first HDMI units 123.
Second video interface module 130 includes and the 2nd VGA units 131 of 121 corresponding connection of the first VGA units and the
2nd DVI units 132 of the corresponding connection of one DVI units 122 and mono- with the 2nd HDMI of 123 corresponding connection of the first HDMI units
Member 133.
When the first VGA units 121 connect with communication interface modules 110 and signal source equipment 300 respectively, the 2nd VGA units
131 with communication interface modules 110 and display device 400 when connecting respectively, and the first DVI units 122 and the first HDMI units 123 are equal
Do not connected with communication interface modules 110 and signal source equipment 300, the 2nd DVI units 132 and the 2nd HDMI units 133 not with
Communication interface modules 110 is connected with display device 400.
When the first DVI units 122 connect with communication interface modules 110 and signal source equipment 300 respectively, the 2nd DVI units
132 with communication interface modules 110 and display device 400 when connecting respectively, and the first VGA units 121 and the first HDMI units 123 are equal
Do not connected with communication interface modules 110 and signal source equipment 300, the 2nd VGA units 131 and the 2nd HDMI units 133 not with
Communication interface modules 110 is connected with display device 400.
When the first HDMI units 123 connect with communication interface modules 110 and signal source equipment 300 respectively, the 2nd HDMI is mono-
When member 133 is connected with communication interface modules 110 and display device 400 respectively, the first DVI units 122 and the first VGA units 121
Do not connected with communication interface modules 110 and signal source equipment 300, the 2nd DVI units 132 and the 2nd VGA units 131 not with
Communication interface modules 110 is connected with display device 400.
In a particular application, the video data end of the first VGA units 121 and the video data end of the 2nd VGA units 131 connect
Connect, the video data end of the first DVI units 122 is connected with the video data end of the 2nd DVI units 132, the first HDMI units 123
Video data end be connected with the video data end of the 2nd HDMI units 133.
In a particular application, the first VGA units 121 and the 2nd VGA units 131 respectively include USB interface, the first DVI
The DVI units 132 of unit 122 and the 2nd respectively include DVI interface, and the first HDMI units 123 and the 2nd HDMI units 133 are divided equally
Bao Kuo not HDMI.
In the present embodiment, the first VGA units 121, the and of the first DVI units 122 that the first video interface module 120 includes
The signal source equipment 300 that first HDMI units 123 were respectively used to and be provided with USB interface, DVI interface or HDMI connects.
The 2nd VGA units 131, the 2nd DVI units 132 and the 2nd HDMI units 133 that second video interface module 130 includes are distinguished
It is connected for the display device 400 with being provided with USB interface, DVI interface or HDMI.
As shown in Fig. 2 in one embodiment of the present utility model, the communication interface modules 110 in Fig. 1 connects including communication
The 111, first gating switch unit 112 of mouth and the second gating switch unit 113.
First gating switch unit 112 includes the first way switch, the second way switch and three-way switch.
Second gating switch unit 113 includes four-way switch, the 5th way switch and the 6th way switch.
The first end and the 3rd of the first end of the clock signal terminal of communication interface 111 and the first way switch, the second way switch
The first end of way switch connects altogether, and the second end of the first way switch and the clock signal terminal of the first VGA units 121 and the 2nd VGA are mono-
The clock signal terminal of member 131 connects altogether, the second end of the second way switch and the clock signal terminal and the 2nd DVI of the first DVI units 122
The clock signal terminal of unit 132 connects altogether, the second end of three-way switch and the clock signal terminal and second of the first HDMI units 123
The clock signal terminal of HDMI units 133 connects altogether.
The data terminal of communication interface 111 is opened with the first end of four-way switch, the first end of the 5th way switch and the 6th tunnel
The first end of pass connects altogether, the second end and the data terminal of the first VGA units 121 and the number of the 2nd VGA units 131 of four-way switch
Connect altogether according to end, the second end and the data terminal of the first DVI units 122 and the data terminal of the 2nd DVI units 132 of the 5th way switch are total to
Connect, the second end and the data terminal of the first HDMI units 123 and the data terminal of the 2nd HDMI units 133 of the 6th way switch connect altogether.
In the present embodiment, the first gating switch unit 112 includes the first way switch, the second way switch and three-way switch,
For being connected respectively with the first VGA units 121, the first DVI units 122 and the first HDMI units 123, so as to realize communication interface
111 transmission clock signals are to one in the first VGA units 121, the first DVI units 122 and the first HDMI units 123.Second
Gating switch unit 113 includes four-way switch, the 5th way switch and the 6th way switch, for the 2nd VGA units 131,
Two DVI units 132 and the 2nd HDMI units 133 connect respectively, so as to realize that communication interface 111 transmits data-signal to second
One in VGA units 131, the 2nd DVI units 132 and the 2nd HDMI units 133.
In one embodiment, communication interface 111 includes parallel interface, serial line interface, USB interface or network interface.
In a particular application, parallel interface is the parallel port socket of 25 pin D-shapeds.
In one embodiment, communication interface 111 passes through I2C buses and the first video interface module 120 and the second video
Interface module 130 is communicated.I2C buses are by SDA (serial data, serial data) data wires and SCL (serial
Communication loop, serial communication loop) clock cable composition universal serial bus, it can be transmitted and receive data.Communication
The SDA data wires of the data termination I2C buses of interface 111, the SCL clock of the clock signal termination I2C buses of communication interface 111
Signal wire.
In one embodiment, the first gating switch unit 112 includes row's pin and jumper cap, provided with three groups of row's pins and one
Jumper cap.Every group of row's pin is a way switch, as the first way switch, the second way switch and three-way switch.Jumper cap connects not
Same row's pin, realizes the connection of each way switch.One jumper cap can only connect a way switch.So as to realize the first gating switch list
112, member and one in the first VGA units 121, the first DVI units 122 and the first HDMI units 123 connection, at the same with it is right
The 2nd VGA units 131, the 2nd DVI units 132 answered are connected with one in the 2nd HDMI units 133.
In one embodiment, the second gating switch unit 113 includes row's pin and jumper cap, specific implementation with it is above-mentioned
The first gating switch unit 112 it is identical, repeat no more.
In a particular application, communication interface modules 110 only with the first VGA units 121, the first DVI units 122 and first
A connection in HDMI units 123, at the same it is mono- with corresponding 2nd VGA units 131, the 2nd DVI units 132 and the 2nd HDMI
A connection in member 133.
In a particular application, processing equipment 200 by communication interface modules 110 only with the first VGA units 121, the first DVI
Unit 122 is connected with one in the first HDMI units 123, at the same with corresponding 2nd VGA units 131, the 2nd DVI units
132 connect with one in the 2nd HDMI units 133.
As shown in Fig. 2 in one embodiment of the present utility model, the communication interface modules 110 in Fig. 1 also includes first
The voltage regulation unit 115 of voltage regulation unit 114 and second.
The first end of first voltage regulation unit 114 connects the clock signal terminal of communication interface 111, and the of the first voltage regulation unit 114
Two ends are grounded, and the first end of the second voltage regulation unit 115 connects the data terminal of communication interface 111, the second end of the second voltage regulation unit 115
Ground connection.
In a particular application, the first voltage regulation unit 114 and the second voltage regulation unit 115 are used for anti-static electricity interference.
In one embodiment, the first voltage regulation unit includes bi-directional voltage stabilizing pipe, two-way TVS pipe (Transient Voltage
Suppressor, transient diode) or piezo-resistance.
In one embodiment, the second voltage regulation unit includes bi-directional voltage stabilizing pipe, two-way TVS pipe or piezo-resistance.
As shown in figure 1, the video interface system 10 that the utility model embodiment is provided, including processing equipment 200, signal
Source device 300 and display device 400, in addition to be connected respectively with processing equipment 200, signal source equipment 300 and display device 400
Video interface device as described above 100.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
All any modification, equivalent and improvement made within the spirit and principle of utility model etc., should be included in the utility model
Protection domain within.
Claims (10)
1. a kind of video interface device, it is connected respectively with processing equipment, signal source equipment and display device, for the display
Equipment is debugged and monitored, it is characterised in that the video interface device includes communication interface modules, the first video interface mould
Block and the second video interface module；
The communication interface modules respectively with the processing equipment, first video interface module and second video interface
Module is connected, and first video interface module is connected with second video interface module, first video interface module
It is connected with the signal source equipment, second video interface module is connected with the display device；
The video source signal that first video interface module sends the signal source equipment, pass through second video interface
Module is sent to the display device；The control process signal that the communication interface modules sends the processing equipment, passes through
Second video interface module is sent to the display device, to be debugged to the display device；The communication connects
Mouth mold block receives the status signal of the display device transmission by second video interface module, and is sent to the processing
Equipment, to monitor the state of the display device.
2. video interface device as claimed in claim 1, it is characterised in that first video interface module includes first
VGA units, the first DVI units and the first HDMI units；
Second video interface module includes the 2nd VGA units and described first of connection corresponding with the first VGA units
2nd DVI units of the corresponding connection of DVI units and the 2nd HDMI units of connection corresponding with the first HDMI units；
When the first VGA units connect with the communication interface modules and the signal source equipment respectively, the 2nd VGA is mono-
When member is connected with the communication interface modules and the display device respectively, the first DVI units and the first HDMI units are equal
Do not connected with the communication interface modules and the signal source equipment, the 2nd DVI units and the 2nd HDMI units not with
The communication interface modules is connected with the display device；
When the first DVI units connect with the communication interface modules and the signal source equipment respectively, the 2nd DVI is mono-
When member is connected with the communication interface modules and the display device respectively, the first VGA units and the first HDMI units are equal
Do not connected with the communication interface modules and the signal source equipment, the 2nd VGA units and the 2nd HDMI units not with
The communication interface modules is connected with the display device；
When the first HDMI units connect with the communication interface modules and the signal source equipment respectively, the 2nd HDMI
When unit is connected with the communication interface modules and the display device respectively, the first DVI units and the first VGA units are equal
Do not connected with the communication interface modules and the signal source equipment, the 2nd DVI units and the 2nd VGA units not with institute
Communication interface modules is stated to connect with the display device.
3. video interface device as claimed in claim 2, it is characterised in that the communication interface modules include communication interface,
First gating switch unit and the second gating switch unit；
The first gating switch unit includes the first way switch, the second way switch and three-way switch；
The second gating switch unit includes four-way switch, the 5th way switch and the 6th way switch；
The first end of the clock signal terminal of the communication interface and first way switch, the first end of second way switch and
The first end of the three-way switch connects altogether, the second end of first way switch and the clock signal of the first VGA units
The clock signal terminal of end and the 2nd VGA units connects altogether, the second end of second way switch and the first DVI units
The clock signal terminal of clock signal terminal and the 2nd DVI units connects altogether, the second end of the three-way switch and described first
The clock signal terminal of the clock signal terminal of HDMI units and the 2nd HDMI units connects altogether；
The data terminal of the communication interface and the first end of the four-way switch, the first end of the 5th way switch and described
The first end of 6th way switch connects altogether, the data terminal of the second end of the four-way switch and the first VGA units and described
The data terminal of 2nd VGA units connects altogether, the second end of the 5th way switch and the data terminal of the first DVI units and described
The data terminal of 2nd DVI units connects altogether, the second end of the 6th way switch and the data terminal of the first HDMI units and institute
The data terminal for stating the 2nd HDMI units connects altogether.
4. video interface device as claimed in claim 3, it is characterised in that the communication interface modules also includes the first voltage stabilizing
Unit and the second voltage regulation unit；
The clock signal terminal of the first termination communication interface of first voltage regulation unit, the second of first voltage regulation unit
End ground connection, the data terminal of the first termination communication interface of second voltage regulation unit, the second of second voltage regulation unit
End ground connection.
5. video interface device as claimed in claim 4, it is characterised in that first voltage regulation unit includes bi-directional voltage stabilizing
Pipe, two-way TVS pipe or piezo-resistance.
6. video interface device as claimed in claim 4, it is characterised in that second voltage regulation unit includes bi-directional voltage stabilizing
Pipe, two-way TVS pipe or piezo-resistance.
7. video interface device as claimed in claim 3, it is characterised in that the communication interface includes parallel interface, serial
Interface, USB interface or network interface.
8. video interface device as claimed in claim 3, it is characterised in that the first gating switch unit include row pin and
Jumper cap.
9. video interface device as claimed in claim 3, it is characterised in that the second gating switch unit include row pin and
Jumper cap.
A kind of 10. video interface system, it is characterised in that including processing equipment, signal source equipment and display device, in addition to
The processing equipment, the signal source equipment and the display device connect respectively as described in claim any one of 1-9
Video interface device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720573814.3U CN206922930U (en) | 2017-05-19 | 2017-05-19 | A kind of video interface device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720573814.3U CN206922930U (en) | 2017-05-19 | 2017-05-19 | A kind of video interface device and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206922930U true CN206922930U (en) | 2018-01-23 |
Family
ID=61308046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720573814.3U Active CN206922930U (en) | 2017-05-19 | 2017-05-19 | A kind of video interface device and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206922930U (en) |
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2017
- 2017-05-19 CN CN201720573814.3U patent/CN206922930U/en active Active
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