CN206993272U - A kind of multimedia video converter - Google Patents
A kind of multimedia video converter Download PDFInfo
- Publication number
- CN206993272U CN206993272U CN201721013376.1U CN201721013376U CN206993272U CN 206993272 U CN206993272 U CN 206993272U CN 201721013376 U CN201721013376 U CN 201721013376U CN 206993272 U CN206993272 U CN 206993272U
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- CN
- China
- Prior art keywords
- video
- signals
- chips
- video converter
- frequency processing
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of multimedia video converter,Video source can be exported to AV signals or S Video signals are converted to VGA signals or HDMI signals that display end can receive,MS1850 chips realize that AV and S Video signals turn high definition VGA signals and AV and S Video signals turn high definition HDMI signals,VGA and HDMI is supported to show simultaneously,The regulation of picture position is realized by six function button S1 S6,Image integrally reduces,Switching between a quarter picture and full-scale picture,Realize that AV and S Video input standard and switched between NTSC and PAL by toggle switch,With high integration,Hi-vision image quality,The characteristic of highly compatible and low cost,Greatly meet the demand of existing market.
Description
Technical field
The utility model belongs to Video Quality Metric technical field, is related to a kind of video converter, specifically a kind of multimedia video
Frequency converter.
Background technology
The present electronic equipment transmission converter different according to the coffret needs of different hardware, such as USB interface,
DVI interface, HDMI and USB interface etc., it is now relatively conventional coffret above, realizes different transmission interfaces
Between signal transmission just need a variety of different converters.It is single, compatible function to be generally present in existing video converter
Difference, control the problems such as complicated, display picture is of poor quality.
Utility model content
The purpose of this utility model is to provide a kind of multimedia video converter, realized using single video process chip
AV/S-Video signals revolving die intends rgb signal, and integrated level is high, and image quality is high, and compatibility is strong and cost is low.
The purpose of this utility model can be achieved through the following technical solutions：
A kind of multimedia video converter, including box body, the box body middle part are provided with the MCU connected by I2C buses and controlled
Coremaking piece and video frequency processing chip, the input of the video frequency processing chip are connected to CVBS input interfaces and S-Video
Input interface；
The output end of the video frequency processing chip connects the input of Schmidt trigger chip and RGB driving chips respectively
End, the output end of the Schmidt trigger chip and RGB driving chips are all connected with VGA output interfaces；
The output end of the video frequency processing chip is also associated with HDMI output interface；
The MCU control chips are connected with a toggle switch and six function button S1-S6, described toggle switch control
Switching between AV or S-Video input standard processed, six function buttons are used for the parameter for controlling display image.
Further, the video frequency processing chip uses MS1850 chips.
Further, the button S1 is used to control the switching of display image size and display image Parameter reconstruction is dispatched from the factory
Set；The button S2, which is used to control, beats opening/closing OSD；The button S3-S6 is used to be shown under OSD closed modes
The regulation of picture position, OSD menu is operated under OSD open modes.
Further, the MCU control chips also have a program burn writing mouth.
Further, the MCU control chips are also associated with infrared receiving/transmission chip, and the infrared receiving/transmission chip is used to connect
IR remote controller.
Further, two relative slots are provided with the box body, the L-type being slidably connected with it is provided with the slot
Installing plate, the riser top of the installing plate are provided with postive stop baffle, screw are provided with the transverse slat of the installing plate.
Further, described video converter also includes 5V power supply interfaces and 5V power supply indicators.
The beneficial effects of the utility model：The utility model provides a kind of multimedia video converter, can be by video
Source exports AV signals or S-Video signals are converted to VGA signals or HDMI signals that display end can receive, and MS1850 chips are real
Showed that AV and S-Video signals turn high definition VGA signals and AV and S-Video signals turn high definition HDMI signals, support VGA and
HDM I are shown simultaneously, and the regulation of picture position is realized by six function button S1-S6, and image is integrally reduced, a quarter is drawn
Switching between face and full-scale picture, realize that AV and S-Video inputs standard and cut between NTSC and PAL by toggle switch
Change, there is high integration, hi-vision image quality, highly compatible and inexpensive characteristic, greatly meet the need of existing market
Ask.
Brief description of the drawings
The utility model is described in further detail with specific embodiment below in conjunction with the accompanying drawings.
Fig. 1 is the structural representation of the utility model box body.
Fig. 2 is the sectional view of the utility model box body.
Fig. 3 is internal component connection diagram of the present utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The all other embodiment obtained, belong to the scope of the utility model protection.
As shown in Figure 1-2, the utility model provides a kind of multimedia video converter, including box body 1, is set in box body 1
There are two relative slots 2, the L-type installing plate 3 being slidably connected with it is provided with slot 2, limit is provided with the top of the riser of installing plate 3
Position baffle plate 4, the riser of limitation installing plate 3 are stuck in slot 2 all the time, and two screws 5 are provided with the transverse slat of installing plate 3.During installation,
Installing plate 3 is pulled out, specified location is arranged on by bolt, then installing plate 3 is turned back to, easy for installation, fixation, is saved
Installing space.
As shown in figure 3, the middle part of box body 1 is provided with the MCU control chips and video frequency processing chip connected by I2C buses, I2C
Bus forms universal serial bus by data wire SDA and clock cable SCL, can be transmitted and receives data, in MCU control chips and regard
Carry out bi-directionally transmitted between frequency process chip, highest transfer rate is up to 100kbps.
Video frequency processing chip uses MS1850 chips, supports the input of NTSC and PLA standards, the AV signals that video source is exported
The VGA signals that display end can receive are converted to S-Vi deo signals, or the AV signals of video source output and S-Video are believed
Number be converted to the HDM I signals that display end can receive.It is defeated that the input of video frequency processing chip is connected to offer AV signals
The CVBS input interfaces and the S-Video input interfaces of offer S-Video signal inputs entered.
The output end of video frequency processing chip connects the input of Schmidt trigger chip and RGB driving chips respectively, applies
Schmitt trigger chip uses I C74F14 chips, for the H/V rows in the VGA signals that are exported after being changed to video frequency processing chip
Field sync signal is handled；RGB driving chips are for the R/G/B in the VGA signals to being exported after video frequency processing chip conversion
Tristimulus signals are handled.The output end of Schmidt trigger chip and RGB driving chips is all connected with VGA output interfaces, will
Treated VGA signal outputs.
The output end of video frequency processing chip is also associated with HDMI output interface, the HDMI letters after video frequency processing chip is changed
Number output.
MCU control chips use STM8S003F3 chips, for controlling the mode of operation of video frequency processing chip.MCU is controlled
Chip is also associated with a toggle switch and six function button S1-S6, and toggle switch is used to control AV or S-Video to input system
Switching between formula, when toggle switch is pressed, input standard is NTSC, and when toggle switch lifts, input standard is PAL.
Six function buttons are used for the parameters for controlling display image on display end, and short-press button S1 can realize that image is whole
Switching between body diminution, a quarter picture and full-scale picture, long-press button S1 can dispatch from the factory display image Parameter reconstruction
Set, push button that S2 is controllable to beat opening/closing OSD, under OSD closed modes, button S3-S6 is shown for carrying out display end
The regulation of picture position, 4 pixels can up be moved by image by pushing button S3, and image can be moved down 4 by pushing button S4
Individual pixel, pushing button S5 can be by image toward moving right 4 pixels, and pushing button S6 can be by image toward moving left 4 pixels；
Under OSD open modes, button S3-S6 is used to operate OSD menu, and pushing button S3 can be by the item selected by OSD menu
Move up, the item selected by OSD menu can be moved down by pushing button S4, and pushing button S5 can be by the item's that OSD menu is chosen
Value plus 1, pushing button S6 can subtract 1 by OSD menu by the value for the item that OSD menu is chosen.
MCU control chips also have a program burn writing mouth, and programming program is carried out for connecting computer.
Video converter provided by the utility model also includes 5V power supply interfaces and 5V power supply indicators, and 5V power supply interfaces are used
In connection power supply, it is powered to video converter, when the circuit is energized, 5V power supply indicators light, and play suggesting effect.
The utility model provides a kind of multimedia video converter, video source can be exported into AV signals or S-Video
Signal is converted to the VGA signals or HDM I signals that display end can receive, and MS1850 chips realize AV and S-Video signals
Turn high definition VGA signals and AV and S-Video signals turn high definition HDMI signals, support VGA and HDMI to show simultaneously, pass through six
Function button S1-S6 realizes the regulation of picture position, and image integrally reduces, cutting between a quarter picture and full-scale picture
Change, realize that AV and S-Video inputs standard and switched between NTSC and PAL by toggle switch, there is high integration, hi-vision is drawn
The characteristic of matter, highly compatible and low cost, greatly meet the demand of existing market.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
It is contained in reference to specific features, structure, material or the feature that the embodiment or example describe of the present utility model at least one
In embodiment or example.In this manual, the schematic representation of above-mentioned term is not necessarily referring to identical embodiment or
Example.Moreover, specific features, structure, material or the feature of description can be in any one or more embodiments or example
In combine in an appropriate manner.
Above content is only to the utility model structure example and explanation, the technology people of affiliated the art
Member is made various modifications or supplement to described specific embodiment or substituted using similar mode, without departing from reality
With new structure or surmount scope defined in the claims, the scope of protection of the utility model all should be belonged to.
Claims (7)
1. a kind of multimedia video converter, including box body (1), it is characterised in that：It is provided with the middle part of the box body (1) and passes through I2C
The MCU control chips and video frequency processing chip of bus connection, it is defeated that the input of the video frequency processing chip is connected to CVBS
Incoming interface and S-Video input interfaces；
The output end of the video frequency processing chip connects the input of Schmidt trigger chip and RGB driving chips, institute respectively
The output end for stating Schmidt trigger chip and RGB driving chips is all connected with VGA output interfaces；
The output end of the video frequency processing chip is also associated with HDMI output interface；
The MCU control chips are connected with a toggle switch and six function button S1-S6, described toggle switch control AV
Or the switching between S-Video input standards, six function buttons are used for the parameter for controlling display image.
A kind of 2. multimedia video converter according to claim 1, it is characterised in that：The video frequency processing chip uses
MS1850 chips.
A kind of 3. multimedia video converter according to claim 1, it is characterised in that：The button S1 is aobvious for controlling
Show the switching of picture size and to display image Parameter reconstruction Default Value；The button S2, which is used to control, beats opening/closing OSD；
The button S3-S6 is used for the regulation that display image position is carried out under OSD closed modes, to OSD dishes under OSD open modes
Singly operated.
A kind of 4. multimedia video converter according to claim 1, it is characterised in that：The MCU control chips also have
There is a program burn writing mouth.
A kind of 5. multimedia video converter according to claim 1, it is characterised in that：The MCU control chips also connect
Infrared receiving/transmission chip is connected to, the infrared receiving/transmission chip is used to connect IR remote controller.
A kind of 6. multimedia video converter according to claim 1, it is characterised in that：Two are provided with the box body (1)
Individual relative slot (2), the slot (2) is interior to be provided with the L-type installing plate (3) being slidably connected with it, and the installing plate (3) is erected
Postive stop baffle (4) is provided with the top of plate, screw (5) is provided with the transverse slat of the installing plate (3).
A kind of 7. multimedia video converter according to claim 1, it is characterised in that：Described video converter also wraps
Include 5V power supply interfaces and 5V power supply indicators.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721013376.1U CN206993272U (en) | 2017-08-14 | 2017-08-14 | A kind of multimedia video converter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721013376.1U CN206993272U (en) | 2017-08-14 | 2017-08-14 | A kind of multimedia video converter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206993272U true CN206993272U (en) | 2018-02-09 |
Family
ID=61418836
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721013376.1U Expired - Fee Related CN206993272U (en) | 2017-08-14 | 2017-08-14 | A kind of multimedia video converter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206993272U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109783045A (en) * | 2018-12-27 | 2019-05-21 | 郑州云海信息技术有限公司 | A kind of VGA signaling protection system |
-
2017
- 2017-08-14 CN CN201721013376.1U patent/CN206993272U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109783045A (en) * | 2018-12-27 | 2019-05-21 | 郑州云海信息技术有限公司 | A kind of VGA signaling protection system |
| CN109783045B (en) * | 2018-12-27 | 2021-11-12 | 郑州云海信息技术有限公司 | VGA signal protection system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180209 Termination date: 20180814 |
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| CF01 | Termination of patent right due to non-payment of annual fee |