CN212570348U - Multi-screen display detection device - Google Patents
Multi-screen display detection device Download PDFInfo
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- CN212570348U CN212570348U CN202021527007.6U CN202021527007U CN212570348U CN 212570348 U CN212570348 U CN 212570348U CN 202021527007 U CN202021527007 U CN 202021527007U CN 212570348 U CN212570348 U CN 212570348U
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Abstract
The utility model relates to a screen display technical field specifically discloses a many screen display detection device, and this many screen display detection device includes: the system comprises a mainboard and a control module, wherein the mainboard comprises a system control module, a signal processing module, a cache module, a conversion module, an input interface module and an output interface module; the display device is connected with the mainboard and is configured to display the model information prestored in the mainboard; the key input device is connected with the mainboard and is configured to select the model information prestored in the mainboard; the input interface module is used for receiving an external display signal, and the output interface module comprises at least two output ends so as to realize a double-screen or multi-screen application scene. The utility model provides a many screen detection device has realized that static display shows the many screen display that have concurrently with dynamic display, has promoted detection device's compatibility and portability.
Description
Technical Field
The utility model relates to a screen display technical field, concretely relates to multi-screen display detection device.
Background
Along with the wide application of display screens, more and more abundant application scenes are generated, for example, different pictures need to be displayed on a plurality of screens at the same time, such demands gradually rise in the medical display field, the teaching field and the vehicle-mounted display field, and along with the gradual popularization of private vehicles, how to build a double-screen or multi-screen automobile center console on a vehicle-mounted display screen becomes a problem to be solved urgently.
Aiming at the scene of an automobile console, a part of screens of the automobile console need to display static pictures, and the other part of screens need to display a system interface and have a touch function, the prior art solves the problem that each display screen provides signals by using an independent display detection device, and although part of problems can be solved, the whole volume of the automobile console is large, and the automobile console needs a plurality of mainboards, so that the automobile console is high in cost and poor in portability, and cannot meet the requirements of miniaturization and integration at the present stage.
Therefore, it is an urgent need to solve the problem of designing a display detection device capable of realizing dual-screen or multi-screen, both static and dynamic display.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, an object of the utility model is to provide a can realize two screens or many screens, static and dynamic display detection device who has concurrently, handle the signal through setting up system control module and signal processing module, the output of two screens or many screens has been realized, and the developments of each display screen and static display all can carry out corresponding adjustment and control through the button input device who links to each other with the mainboard, need not to dispose solitary detection device for every display screen under two screens or many screens scenes, the cost is saved, detection device's volume has been reduced, the portability thereof is improved.
In order to achieve the above object, the utility model provides a many screen display detection device, include:
the system comprises a mainboard and a control module, wherein the mainboard comprises a system control module, a signal processing module, a cache module, a conversion module, an input interface module and an output interface module;
the display device is connected with the mainboard and is configured to display model information prestored in the mainboard;
the key input device is connected with the mainboard and is configured to select the model information prestored in the mainboard;
the input interface module receives an external display signal, and the output interface module comprises at least two output ends so as to realize a double-screen or multi-screen application scene.
Preferably, the output interface module includes a first output end and a second output end, the first output end is connected to the first display screen, the second output end is connected to the second display screen, either one of the first display screen and the second display screen displays a static image, and the other displays a dynamic image.
Preferably, the key input device is connected to a system control module of the main board, and an operator selects to display a static picture on the first display screen or the second display screen through the key input device.
Preferably, the system control module is connected to the signal processing module and the buffer module, the conversion module is connected to the input interface module, the buffer module and the signal processing module, and the signal processing module is connected to the output interface module.
Preferably, the conversion module is connected with the signal processing module through an I2C bus.
Preferably, the system control module is connected with the signal processing module through an SPI bus.
Preferably, the model information includes extended display identification data of a plurality of display screens and corresponding time sequence information.
Preferably, the system control module comprises a single chip microcomputer, and the signal processing module comprises an FPGA.
Preferably, the cache module comprises a charged erasable programmable read-only memory.
Preferably, the input interface module includes at least one of an HDMI interface, a DP interface, a VGA interface, and a DVI interface.
The utility model provides a detection device, through the cooperation of system control module and signal processing module, make this detection device can provide corresponding signal to a plurality of display screens, realized double screen or many screen and static and dynamic concurrently use the scene, under many screen use the scene, need not to set up corresponding detection device for a plurality of display screens respectively, only need adopt the utility model's scheme can realize simulation and detection to a plurality of display screen's use scene through single detection device, this detection device can realize the function of exporting static image and dynamic image respectively to different display screens, and static and dynamic can be switched adjustment each other according to the demand, realized under the specific scene to the coexistence of static display and system touch-control, and this detection device compares to the equipment that can only be used for single display screen, the utility model discloses a detection device compatibility is stronger, has better portability.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:
fig. 1 is a schematic diagram of an application scenario of an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a multi-screen display detection apparatus according to an embodiment of the present invention;
fig. 3 is a schematic view of a working flow of the detection device according to the embodiment of the present invention;
Detailed Description
Various embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Like elements in the various figures are denoted by the same or similar reference numerals. For purposes of clarity, the various features in the drawings are not necessarily drawn to scale.
The present invention is not limited to these embodiments. In the following detailed description of the present invention, certain specific details are set forth in detail. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details. Well-known methods, procedures, and procedures have not been described in detail so as not to obscure the present invention.
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples.
Fig. 1 shows the schematic diagram of the application scenario of the embodiment of the present invention, the first display screen 100 and the second display screen 200 shown in fig. 1 are, for example, display screens in vehicles, the first display screen 100 is used for displaying the static pictures of the speedometer and the tachometer of the vehicle, the second display screen 200 is a touch screen, as the central control screen of the vehicle, multifunctional operations such as human-computer interaction, video playing and the like can be performed, and the second display screen 200 is used for displaying dynamic pictures. To this group of on-vehicle display screen's test among the prior art, it needs to test two display screens respectively usually, and its test cost is higher, and the shared volume of testing arrangement is great, and aesthetic property and portability all have inadequately.
Fig. 2 is a schematic structural diagram of a multi-screen display detection device according to an embodiment of the present invention, which includes a main board 10, a display device 20 connected to the main board 10, and a key input device 30. The motherboard 10 is provided with a system control module 11, a signal processing module 12, a cache module 13, a conversion module 14, an input interface module 15 and an output interface module. The input interface module 15 is configured to receive an external display signal, and the output interface module includes at least two output ends to implement a dual-screen or multi-screen application scenario. The display device 20 is used for displaying the model information prestored in the main board 10; the key input device 30 is used for selecting the model information pre-stored in the main board 10. It can be understood that, the system control module 11 is pre-stored with information of a plurality of models, and an operator can select the information of the models pre-stored in the main board 10 through the key input device 30, so that the output interface module outputs corresponding signals to a plurality of display screens. The multiple kinds of information include expanded display identification data of multiple display screens and corresponding time sequence information.
Preferably, the output interface module in this embodiment is described by taking two output ends as an example, and in other embodiments, there may be more than two output ends, which is not limited herein. The output interface module in this embodiment includes, for example, a first output terminal 161 and a second output terminal 162, where the first output terminal 161 is connected to an input terminal of the first display screen 100 and is used for providing a display signal to the first display screen 100, and the second output terminal 162 is connected to an input terminal of the second display screen 200 and is used for providing a display signal to the second display screen 200. Either one of the first display 100 and the second display 200 displays a static picture and the other displays a dynamic picture.
Specifically, the key input device 30 and the display device 20 are both connected to the system control module 11. The system control module 11 is, for example, a single chip microcomputer, preferably an ARM chip, and the key input device 30 includes, for example, a keyboard, and according to information displayed by the display device 20, an operator can select or adjust the model information, parameters, and output ports corresponding to the parameters, which are pre-stored in the system control module 11, through the keyboard, so as to set the first display screen 100 or the second display screen 200 to perform static screen display or dynamic screen display. System control module 11 links to each other with cache module 13 and signal processing module 12, system control module 11 extends the display identification data to cache module 13 transmission, system control module 11 links to each other with signal processing module 12 through the SPI bus, system control module 11 provides corresponding time sequence information to signal processing module 12, signal processing module 12 receives this time sequence information and accomplishes static picture display processing output display signal to corresponding output port. The buffer module 13 is connected to the conversion module 14, and transmits the stored extended display identification data to the conversion module 14. Preferably, the buffer module 13 comprises a powered erasable programmable read only memory. The input interface module 15 includes at least one of an HDMI interface, a DP interface, a VGA interface, and a DVI interface, for example, and the detection device is connected to the upper computer 40 through the input interface module 15, and the upper computer 40 is, for example, a computer and is configured to provide a display signal to the input interface module 15. The input interface module 15 is connected to the conversion module 14, and the conversion module 14 is connected to the signal processing module 12 through an I2C bus. The conversion module 14 provides the display information and the time sequence signal matched with the display information to the signal processing module 12 according to the HDMI signal transmitted by the input interface module 15 and the extended display identification data provided by the buffer module 13, and the signal processing module 12 enables the signal processing module to generate a signal which can be received by the display screen and output the signal to a corresponding output port. The signal processing module 12 is respectively connected to the first output terminal 161 and the second output terminal 162 to provide corresponding signals to the first output terminal 161 and the second output terminal 162, the signal processing module 12 is, for example, a Field-Programmable Gate Array (FPGA), and the signal processing module 12 respectively generates a display signal of the first display screen 100 and a display signal of the second display screen 200 according to the transmitted signals to light the first display screen 100 and the second display screen 200 correspondingly connected thereto.
Fig. 3 is the utility model discloses detection device's work flow schematic diagram combines the structure schematic diagram of fig. 2, because there is the information of multiple model in advance in the system control module 11, needs to carry out corresponding selection according to the machine type of the display screen that awaits measuring earlier, specifically, this detection device embodiment's work flow includes:
s10, adjusting parameter information through the display device and the key input device; the system control module 11 is pre-stored with information of a plurality of machine types, the display device 20 displays the information of the machine types pre-stored in the main board 10, and an operator selects or modifies the information from the information through the key input device 30.
S20, confirming the information of the model to be tested; if the model information is confirmed, the steps S21 and S22 are performed, and if the model information is wrong, the step S10 is returned; the operator checks whether the configuration information displayed on the display device 20 matches the demand (including information on the model and the display parameters).
S21, the system control module transmits the time sequence information; the system control module 11 provides the corresponding timing information to the signal processing module 12 through the SPI bus.
S22, the cache module stores the expansion display identification data; the system control module 11 provides the extended display identification data of the display screen to the cache module 13.
The S23 conversion module generates a display signal and a time sequence signal; the conversion module 14 generates display data and a timing signal recognizable by the signal processing module 12 according to the HDMI signal transmitted by the input interface module 15 and the extended display identification data provided by the buffer module 13, and provides the display data and the timing signal to the signal processing module 12 through the I2C bus.
The S24 signal processing module generates a final display signal; the signal processing module 12 generates a display signal of the first display screen 100 and a display signal of the second display screen 200 according to the transmitted signals, respectively.
S30 confirming port order; if the port sequence is confirmed to be correct, performing step S40, and if the port sequence is correct, returning to step S10; the signal processing module 12 associates the extended display identification data with the selected output port, and determines the correspondence and order between the display signal of the first display screen 100 and the display signal of the second display screen 200 and the two output ports.
S40 outputting a signal; the respective display signals are supplied to the corresponding display screens through the first output terminal 161 and the second output terminal 162.
In summary, the multi-screen display detection device provided by the utility model can provide corresponding signals to a plurality of display screens, thereby realizing the application scene of double-screen or multi-screen and both static and dynamic, under the scene that needs a plurality of display screens to display, the simulation and detection of the use scenes of the plurality of display screens can be realized through a single detection device only by adopting the scheme of the utility model without arranging corresponding detection devices for the plurality of display screens respectively, the detection device can realize the function of respectively outputting static images and dynamic images to different display screens, and the static state and the dynamic state can be mutually converted and adjusted according to the requirements, the coexistence of static display and system touch under a specific scene is realized, and this detection device compares in the equipment that only can be used for single display screen, the utility model discloses a detection device compatibility is stronger, has better portability.
It should be noted that, in the description of the present invention, the terms "first" and "second" are only used for convenience in describing different components, and are not to be construed as indicating or implying a sequential relationship, relative importance or implicitly indicating the number of technical features indicated.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (10)
1. A multi-screen display detection device, comprising:
the system comprises a mainboard and a control module, wherein the mainboard comprises a system control module, a signal processing module, a cache module, a conversion module, an input interface module and an output interface module;
the display device is connected with the mainboard and is configured to display model information prestored in the mainboard;
the key input device is connected with the mainboard and is configured to select the model information prestored in the mainboard;
the input interface module receives an external display signal, and the output interface module comprises at least two output ends so as to realize a double-screen or multi-screen application scene.
2. The detecting device according to claim 1, wherein the output interface module includes a first output terminal and a second output terminal, the first output terminal is connected to a first display screen, the second output terminal is connected to a second display screen, either one of the first display screen and the second display screen displays a static image, and the other one displays a dynamic image.
3. The detecting device according to claim 2, wherein the key input device is connected to a system control module of the main board, and an operator selects to display a static image on the first display screen or the second display screen through the key input device.
4. The detecting device for detecting the rotation of a motor rotor according to the claim 1, wherein the system control module is connected with the signal processing module and the buffer module, the converting module is connected with the input interface module, the buffer module and the signal processing module, and the signal processing module is connected with the output interface module.
5. The detection device according to claim 4, wherein the conversion module is connected with the signal processing module through an I2C bus.
6. The detection device according to claim 4, wherein the system control module is connected to the signal processing module through an SPI bus.
7. The detecting device according to claim 1, wherein the model information includes extended display identification data of a plurality of kinds of display screens and corresponding time sequence information thereof.
8. The detection device according to claim 1, wherein the system control module comprises a single chip microcomputer, and the signal processing module comprises an FPGA.
9. The detection device as claimed in claim 1, wherein the buffer module comprises a charged erasable programmable read only memory.
10. The detection device of claim 1, wherein the input interface module comprises at least one of an HDMI interface, a DP interface, a VGA interface, and a DVI interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021527007.6U CN212570348U (en) | 2020-07-29 | 2020-07-29 | Multi-screen display detection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021527007.6U CN212570348U (en) | 2020-07-29 | 2020-07-29 | Multi-screen display detection device |
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| Publication Number | Publication Date |
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| CN212570348U true CN212570348U (en) | 2021-02-19 |
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| CN202021527007.6U Active CN212570348U (en) | 2020-07-29 | 2020-07-29 | Multi-screen display detection device |
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