CN221103408U - Video display board card - Google Patents
Video display board card Download PDFInfo
- Publication number
- CN221103408U CN221103408U CN202323103389.6U CN202323103389U CN221103408U CN 221103408 U CN221103408 U CN 221103408U CN 202323103389 U CN202323103389 U CN 202323103389U CN 221103408 U CN221103408 U CN 221103408U
- Authority
- CN
- China
- Prior art keywords
- video
- interface
- signal converter
- input interface
- signals
- Prior art date
- 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.)
- Active
Links
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 101000860173 Myxococcus xanthus C-factor Proteins 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Controls And Circuits For Display Device (AREA)
Abstract
The utility model provides a video display board card, which belongs to the technical field of computers and is provided with a first video input interface, a second video input interface, a third video input interface and a fourth video input interface, wherein the first video input interface outputs two paths HDMIA of signals through a one-to-one distributor chip, the second video input interface outputs two paths HDMIB of signals through another one-to-one distributor chip, one path HDMIA of signals and one path HDMIB of signals are connected with a first display screen and a second display screen through two different signal converters, the other path HDMIA of signals, the other path HDMIB of signals, the third video input interface and the fourth video input interface are connected with the third display screen through an interface signal converter, and the interface signal converter is connected with a display switching key through a controller, and the display switching key can control the third display screen to switch the output of the four paths of video signals. The utility model can realize multi-channel video display.
Description
Technical Field
The utility model relates to the technical field of computers, in particular to a video display board.
Background
Video displays are an integral part of computer products. Video display refers to the process of presenting a video signal to a user for viewing through a display device (e.g., a display screen, television, projector, etc.). Video display technology is widely applied to various devices such as televisions, computers, mobile phones, tablets and the like.
A video display card is an indispensable part of video display, and is a hardware device mainly used for converting a video signal into a visualized image and outputting it onto a display device. It typically includes a video input interface (e.g., HDMI, VGA, DVI, etc.) and a video output interface, which may be connected to a video source such as a computer, video camera, DVD player, etc., and the video display board card processes the video signal to convert it to a format suitable for the display device.
Currently, single-pass video display cards are mostly used in computer products. However, due to the rapid development of computer technology, in some specific locations, single-path display in computer products has not been able to meet the use requirements.
Disclosure of utility model
In order to overcome the problem that the single-path display in the computer product cannot meet the use requirement, the utility model provides a video display board card, which comprises: the first video input interface, the first split-split distributor chip, the first signal converter and the first display screen interface;
The first video input interface is connected with a first split-split chip, and the first split-split chip is used for outputting two paths of HDMI signals, namely HDMIA-1 signals and HDMIA-2 signals; HDMIA-1 signals are connected with the input end of a first signal converter, and the output end of the first signal converter is connected with a first display screen interface;
The video display board also comprises a fourth video input interface, a second one-to-one distributor chip, a second signal converter and a second display screen interface;
The fourth video input interface is connected with a second one-to-one distributor chip, and the second one-to-one distributor chip is used for outputting two paths of HDMI signals, namely HDMIB-1 signals and HDMIB-2 signals; HDMIB-1 signals are connected with the input end of a second signal converter, and the output end of the second signal converter is connected with a second display screen interface;
The video display board also comprises a second video input interface, a third video input interface, an interface signal converter, a third display screen interface and a display switching key;
HDMIA-2 signals, a second video input interface, a third video input interface and HDMIB-2 signals are connected with a third display screen interface through an interface signal converter;
The display switching key is connected with an input control switching signal pin of the interface signal converter through a controller so as to control the four-way video display switching of the interface signal converter.
Further, the first and second split-divider chips each employ an LT86102 chip.
Further, the first signal converter and the second signal converter each employ an LT9721 chip.
Further, the interface signal converter employs an LT8641 chip.
Further, the controller is a singlechip.
Further, the video display panel card further includes: a power supply circuit;
the power supply circuit provides power supply for the video display board.
Further, the power supply circuit comprises a power input interface and a power chip;
the power input interface is used for accessing an external power supply;
The power input interface is connected with the power chip, and the power chip is electrically connected with the first one-to-one distributor chip, the first signal converter, the second one-to-one distributor chip, the second signal converter, the interface signal converter and the controller respectively.
Compared with the prior art, the utility model has the advantages that:
the video display board provided by the utility model is provided with a first video input interface, a second video input interface, a third video input interface and a fourth video input interface, and supports four paths of video signal access, wherein the first video input interface outputs two paths HDMIA of signals through one of the two divider chips, the second video input interface outputs two paths HDMIB of signals through the other one of the two divider chips, one path HDMIA of signals and one path HDMIB of signals are connected with the first display screen interface and the second display screen interface through two different signal converters, and when the video display board is used, the first display screen is connected with the first display screen interface, the video accessed by the first video input interface can be displayed through the first display screen, the second display screen is connected with the second display screen interface, and the video accessed by the fourth video input interface can be displayed through the second display screen. In addition, the other path HDMIA signal, the other path HDMIB signal, the third video input interface and the fourth video input interface are connected with the third display screen interface through an interface signal converter, and the interface signal converter is connected with a display switching key through a controller. Therefore, the utility model is beneficial to realizing multi-path video display, thereby being beneficial to overcoming the problem that the single-path display in the existing computer products can not meet the use requirement.
It is seen that the present utility model provides substantial features and improvements over the prior art, as well as significant advantages in its practice.
Drawings
Fig. 1 is a schematic circuit diagram of a video display board card according to the present utility model.
Fig. 2 is a schematic structural distribution diagram of a video display board according to the present utility model.
1, A first split-split distributor chip; 2. a second split-split chip; 3. a first signal converter; 4. a second signal converter; 5. an interface signal converter; 6. a first display screen interface; 7. a second display screen interface; 8. a third display screen interface; 9. a controller; 10. displaying a switching key; 11. a power supply circuit; 12. a first video input interface; 13. a fourth video input interface; 14. a second video input interface; 15. a third video input interface; 16. video display cards.
Detailed Description
In order to make the technical scheme and advantages of the present utility model more clear, the technical scheme of the present utility model will be clearly and completely described below with reference to the accompanying drawings. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the application, its application, or uses. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, but the present application may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present application is not limited to the specific embodiments disclosed below.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. Furthermore, it will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, devices, components, and/or groups thereof.
In addition, the terms "first", "second", etc. are used to define the components, and are only for convenience of distinguishing the corresponding components, and the terms have no special meaning unless otherwise stated, and therefore should not be construed as limiting the scope of the present application.
The utility model provides a video display board, as shown in fig. 1-2, which aims to realize multi-channel video display so as to solve the problem that single-channel display in the existing computer products cannot meet the use requirement.
Referring to fig. 1 and 2, the video display board card includes: a first video input interface 12, a first split-chip 1, a first signal converter 3, a first display interface 6.
The first video input interface 12 is connected with the first split-type distributor chip 1, and the first split-type distributor chip 1 is used for outputting two paths of HDMI signals, namely HDMIA-1 signals and HDMIA-2 signals; the HDMIA-1 signal is connected to the input of the first signal converter 3, and the output of the first signal converter 3 is connected to the first display interface 6.
Referring to fig. 1 and 2, the video display board 16 further includes a fourth video input interface 13, a second half-divider chip 2, a second signal converter 4, and a second display screen interface 7.
The fourth video input interface 13 is connected with the second one-to-one distributor chip 2, and the second one-to-one distributor chip 2 is used for outputting two paths of HDMI signals, namely HDMIB-1 signals and HDMIB-2 signals; the HDMIB-1 signal is connected to the input of the second signal converter 4, and the output of the second signal converter 4 is connected to the second display interface 7.
Referring to fig. 1 and 2, the video display board 16 further includes a second video input interface 14, a third video input interface 15, an interface signal converter 5, a third display screen interface 8, and a display switch button 10.
HDMIA-2 signals, the second video input interface 14, the third video input interface 15, and HDMIB-2 signals are coupled to the third display interface 8 through the interface signal converter 5.
The display switching key 10 is connected with an input control switching signal pin of the interface signal converter 5 through a controller 9 to control four-way video display switching of the interface signal converter 5.
In this embodiment, the first display screen interface, the second display screen interface, and the third display screen interface are all used for connecting with a display screen.
Before the board is used, the board can be accessed to a first display screen through a first display screen interface, accessed to a second display screen through a second display screen interface, accessed to a third display screen through a third display screen interface, and accessed to four paths of video signals on a first video input interface 12, a second video input interface 14, a third video input interface 15 and a fourth video input interface 13.
Note that the video signal input by the first video input interface 12 is an a signal, the video signal input by the fourth video input interface 13 is a B signal, the video signal input by the second video input interface 14 is a C signal, and the video signal input by the third video input interface 15 is a D signal.
When the board card is used:
The first split-two-way adapter chip 1 converts an A signal input by the first video input interface 12 into two paths of HDMI signals for output, wherein the two paths of HDMI signals correspond to a HDMIA-1 signal and a HDMIA-2 signal in fig. 1, a HDMIA-1 signal is converted into an EDP signal through the first signal converter 3, and the EDP signal corresponds to the EDP-1 in fig. 1, and the EDP-1 signal is connected to a first display screen through the first display screen interface 6 for display;
The second one-to-two distributor chip 2 converts the B signal input by the fourth video input interface 13 into two paths of HDMI signals for output, wherein the two paths of HDMI signals correspond to the HDMIB-1 signal and the HDMIB-2 signal in fig. 1, the HDMIB-1 signal is converted into an EDP signal by the second signal converter 4, and the EDP signal corresponds to the EDP-2 in fig. 1 and is connected to the second display screen for display by the second display screen interface 7;
The display switching key 10 is connected with an input control switching signal pin in the controller 9, the display switching key 10 outputs a control switching signal to the controller 9, the controller outputs a corresponding control switching signal to a relevant pin of the interface signal converter 5 (in this embodiment, the controller 9 sets the control switching signal pin low), and the interface signal converter 5 controls and outputs a video signal accessed by a corresponding video input interface to a third display screen for display; when the video display of the third display screen needs to be switched, the display switching of the four paths of videos accessed by the interface signal converter 5 can be realized through the display switching key 10.
When the third display screen and the first display screen display A and the second display screen display B, the first display screen and the second display screen display A and B are displayed in one path, namely A+A+B; when the third display screen and the second display screen simultaneously display B, the first display screen displays A, namely A+B+B; when the third display screen singly displays C, the first display screen displays A, and the second display screen displays B, the third display screen displays one path, namely A+B+C; when the third display screen singly displays D, the first display screen displays A, and the second display screen displays B, the third display screen displays A+B+D. It can be seen that the present utility model facilitates the realization of multiple video displays.
Illustratively, the first and second half-divided dispenser chips 1 and 2 each employ an LT86102 chip.
In particular, those skilled in the art may select other corresponding prior art to implement the first and second one-to-one dispenser chips 1 and 2 according to the actual situation.
Illustratively, the first signal converter 3 and the second signal converter 4 each employ an LT9721 chip. In particular, the person skilled in the art may choose other corresponding prior art to implement the first signal converter 3 and the second signal converter 4 according to the actual situation.
Illustratively, the interface signal converter 5 employs an LT8641 chip.
Optionally, the controller 9 is a single-chip microcomputer.
In one possible implementation, the video display panel card 16 further includes: a power supply circuit 11.
In the present embodiment, the power supply circuit 11 includes: a power input interface and a power chip;
the power input interface is used for accessing an external power supply;
The power input interface is connected with the power chip, and the power chip is electrically connected with the first split-divider chip 1, the first signal converter 3, the second split-divider chip 2, the second signal converter 4, the interface signal converter 5 and the controller 9 respectively.
The power supply circuit 11 is used for supplying power to the entire video display panel card of the present utility model.
It should be understood that the number of the display switch keys 10 may be specifically set by those skilled in the art according to the actual circumstances.
For example, in a specific implementation, the number of display switching keys 10 may be set to four, namely, a first key, a second key, a third key, and a fourth key. The first key, the second key, the third key and the fourth key sequentially correspond to the switching control of the third display screen to the input signals of the first video input interface 12, the second video input interface 14, the third video input interface 15 and the fourth video input interface 13, for example: pressing the first key and displaying the video signal accessed by the first video input interface 12 on the third display screen; pressing the second key, and displaying a video signal accessed by the second video input interface 14 on the third display screen; pressing a third key, and displaying a video signal accessed by a third video input interface 15 on a third display screen; the fourth key is pressed and the third display screen displays the video signal input by the fourth video input interface 13.
For another example, in a specific implementation, the number of display switching keys 10 may be set to one. When the number of the display switching keys 10 is set to be one, display switching of the third display screen corresponding to four paths of input video signals is realized through one display switching key 10.
The same or similar features as those used in the embodiments of the present description may be used in reference to each other.
The video display board provided by the utility model realizes the display output of multiple paths of videos through the signal converter, the interface signal converter, the display switching key 10, the controller and the like by four paths of mutually independent video input, and is beneficial to solving the problem that the single-path display in the existing computer product cannot meet the use requirement.
The above embodiments are only for illustrating the technical solution of the present utility model, and are not limiting thereof; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present utility model.
Claims (7)
1. A video display panel card, comprising: the first video input interface (12), the first split-split distributor chip (1), the first signal converter (3) and the first display screen interface (6);
The first video input interface (12) is connected with the first one-to-one distributor chip (1), and the first one-to-one distributor chip (1) is used for outputting two paths of HDMI signals, namely HDMIA-1 signals and HDMIA-2 signals; HDMIA-1 signals are connected with the input end of the first signal converter (3), and the output end of the first signal converter (3) is connected with the first display screen interface (6);
The video display board also comprises a fourth video input interface (13), a second one-to-two distributor chip (2), a second signal converter (4) and a second display screen interface (7);
The fourth video input interface (13) is connected with the second one-to-one distributor chip (2), and the second one-to-one distributor chip (2) is used for outputting two paths of HDMI signals, namely HDMIB-1 signals and HDMIB-2 signals; HDMIB-1 signals are connected with the input end of the second signal converter (4), and the output end of the second signal converter (4) is connected with the second display screen interface (7);
The video display board also comprises a second video input interface (14), a third video input interface (15), an interface signal converter (5), a third display screen interface (8) and a display switching key (10);
HDMIA-2 signals, a second video input interface (14), a third video input interface (15) and HDMIB-2 signals, and are connected with a third display screen interface (8) through an interface signal converter (5);
The display switching key (10) is connected with an input control switching signal pin of the interface signal converter (5) through a controller (9) so as to control four-way video display switching of the interface signal converter (5).
2. The video display panel card of claim 1, wherein the first and second one-to-one dispenser chips (1, 2) each employ LT86102 chips.
3. The video display panel card of claim 1, wherein the first signal converter (3) and the second signal converter (4) each employ an LT9721 chip.
4. The video display panel card of claim 1, wherein the interface signal converter (5) employs an LT8641 chip.
5. The video display panel card according to claim 1, wherein the controller (9) is a single-chip microcomputer.
6. The video display panel card of claim 1, further comprising: a power supply circuit (11);
The power supply circuit (11) provides power supply for the video display board.
7. The video display panel card according to claim 6, wherein the power supply circuit (11) includes a power input interface and a power chip;
the power input interface is used for accessing an external power supply;
The power input interface is connected with the power chip, and the power chip is electrically connected with the first one-to-one distributor chip (1), the first signal converter (3), the second one-to-one distributor chip (2), the second signal converter (4), the interface signal converter (5) and the controller (9) respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323103389.6U CN221103408U (en) | 2023-11-16 | 2023-11-16 | Video display board card |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323103389.6U CN221103408U (en) | 2023-11-16 | 2023-11-16 | Video display board card |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221103408U true CN221103408U (en) | 2024-06-07 |
Family
ID=91307433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323103389.6U Active CN221103408U (en) | 2023-11-16 | 2023-11-16 | Video display board card |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221103408U (en) |
-
2023
- 2023-11-16 CN CN202323103389.6U patent/CN221103408U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101166251B (en) | Display apparatus, display system, and control method thereof | |
| CN110557580A (en) | Image signal switching and converting device and method | |
| CN104679148A (en) | Portable display control terminal equipment based on MHL (mobile high-definition link) technology | |
| CN101989187B (en) | System for controlling a host computer by a portable computer | |
| CN101192338A (en) | Touch panel type multifunctional remote controller and its control method | |
| CN111163277A (en) | Video signal input/output switching device | |
| CN202711234U (en) | Electronic device and computer system | |
| CN221103408U (en) | Video display board card | |
| CN212160647U (en) | Display for controlling multiple hosts | |
| CN203027359U (en) | Plug-in card type multimedia presentation matrix switcher | |
| CN212850764U (en) | Video signal input/output switching device | |
| CN212809197U (en) | Multifunctional docking station supporting multi-USB-C switching | |
| CN212515526U (en) | Signal transmission circuit and interactive intelligent panel | |
| CN212966155U (en) | Display screen system with multiplexed interfaces | |
| CN212163492U (en) | Multi-input single-output signal converter | |
| CN203251363U (en) | Module with display integration, superposition and switching functions | |
| CN204117025U (en) | A kind of intelligent box of touch display system | |
| CN210223511U (en) | Display driving board | |
| TW201349865A (en) | Video channel control system and video channel control method | |
| CN111711775A (en) | Clear demonstration switch of superelevation | |
| CN220964965U (en) | Portable video image generator with multi-type signal interface conversion function | |
| CN206932322U (en) | Signal transmission circuit of display device and display device | |
| CN210428419U (en) | Picture splitter with KVM function | |
| US20180332237A1 (en) | Display apparatus, setting method for display apparatus, and display system | |
| CN218183416U (en) | TYPE-C interface changes multiple video signal interface converter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |