CN218273204U - Interactive tablet - Google Patents
Interactive tablet Download PDFInfo
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- CN218273204U CN218273204U CN202221637846.2U CN202221637846U CN218273204U CN 218273204 U CN218273204 U CN 218273204U CN 202221637846 U CN202221637846 U CN 202221637846U CN 218273204 U CN218273204 U CN 218273204U
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- infrared touch
- touch frame
- control board
- control panel
- interface device
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Abstract
The embodiment of the application provides an interactive flat plate which comprises an infrared touch frame control plate and a main control plate; the infrared touch frame control panel includes first transmission end and second transmission end, first transmission end is connected with a plurality of external device, the second transmission end with the main control board is connected, infrared touch frame control panel is used for a plurality of external device's peripheral hardware signal transmission extremely the main control board has simplified the wiring of mutual dull and stereotyped, sparingly assembles the wire rod, has improved the packaging efficiency of product, the after sales maintenance of the product of being convenient for.
Description
Technical Field
The embodiment of the application relates to the technical field of touch screens, in particular to an interactive flat plate.
Background
The interactive panel is an integrated device which controls the content displayed on the display panel and realizes man-machine interaction operation through a touch technology, integrates multiple functions of a projector, an electronic whiteboard, a curtain, a sound box, a television and a video conference terminal, is widely applied to the fields of education and teaching, enterprise meetings, commercial exhibition and the like, and can effectively improve the communication environment and improve the group communication efficiency.
At present, the infrared touch frame of the interactive flat plate and the external equipment are both independently wired and then gathered on the main control board of the interactive flat plate, so that the internal wiring of the interactive flat plate is complex, the failure rate of products during assembly is increased, and the difficulty in product maintenance and debugging is high.
SUMMERY OF THE UTILITY MODEL
To overcome the problems in the related art, the present application provides an interactive tablet that can improve assembly efficiency and facilitate after-market maintenance of products.
The embodiment of the application provides an interactive flat plate which comprises an infrared touch frame control plate and a main control plate; the infrared touch frame control panel comprises a first transmission end and a second transmission end, the first transmission end is connected with a plurality of external equipment, the second transmission end is connected with the main control panel, and the infrared touch frame control panel is used for transmitting a plurality of peripheral signals of the external equipment to the main control panel.
A plurality of external equipment is connected with mutual dull and stereotyped main control board via infrared touch frame control panel in this application embodiment, and the peripheral hardware signal that external equipment received collects and the infrared touch data accessible same circuit that infrared touch frame control panel received collects the main control board, has simplified the wiring in the mutual flat board, sparingly assembles the wire rod, has improved the packaging efficiency of product, the after sales maintenance of the product of being convenient for.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of an interactive tablet according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of an interactive tablet according to another embodiment of the present application;
FIG. 3 is a schematic structural diagram of an interactive tablet according to yet another embodiment of the present application;
FIG. 4 is a schematic structural diagram of an interactive tablet according to yet another embodiment of the present application;
FIG. 5 is a schematic diagram illustrating an interactive tablet according to yet another embodiment of the present application;
fig. 6 is a schematic structural diagram of an interactive tablet according to still another embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more clear, embodiments of the present application will be described in further detail below with reference to the accompanying drawings.
It should be understood that the embodiments described are only a few embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The following description refers to the accompanying drawings in which the same numbers in different drawings represent the same or similar elements unless otherwise indicated.
In the description of the present application, it is to be understood that the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not necessarily used to describe a particular order or sequence, nor are they to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as the case may be. As used in this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The word "if/if" as used herein may be interpreted as "at … …" or "at … …" or "in response to a determination". Further, in the description of the present application, "a plurality" means two or more unless otherwise specified. "and/or" describes the association relationship of the associated objects, meaning that there may be three relationships, e.g., a and/or B, which may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship.
In order to better understand the technical solution of the present application, some interactive panels in the technology are briefly introduced here.
The interactive flat plate comprises a display screen and an infrared touch frame, the display screen displays the electronic whiteboard, the infrared touch frame is arranged around the display screen to form a touch detection area of the interactive flat plate, the infrared touch frame comprises two groups of infrared transmitters and two groups of infrared receivers, each group of infrared receivers is arranged opposite to one group of infrared transmitters respectively, and the infrared receivers and the infrared transmitters are arranged in sequence in a one-to-one correspondence mode. The infrared transmitter is used for transmitting infrared light signals, the infrared receiver is used for receiving the infrared light signals, the infrared light signals densely distributed in different directions are utilized to form transverse and vertical crossed beam grids to complete detection of touch positions, and touch characteristic information of touch operation is obtained. Specifically, when the touch object blocks the infrared light, the light measurement value of the corresponding infrared receiver changes, so that the position of the touch object in the touch detection area can be determined.
Please refer to fig. 1, which is a schematic structural diagram of an interactive tablet according to an embodiment of the present application. The interactive flat panel of the embodiment of the application comprises an infrared touch frame control panel 100 and a main control panel 200; the infrared touch frame control panel 100 includes a first transmission end 101 and a second transmission end 102, the first transmission end 101 is connected with a plurality of external devices 300, the second transmission end 102 is connected with the main control panel 200, and the infrared touch frame control panel 100 is used for transmitting peripheral signals of the plurality of external devices 300 to the main control panel 200.
The infrared touch frame control board 100 is configured to control the infrared touch frame to scan and acquire infrared touch data of the infrared touch frame, where the infrared touch frame generates the infrared touch data according to a touch instruction, and the touch instruction may be generated by a user touching a screen with a hand or a stylus, and is not limited herein.
The main control board 200 is configured to issue a control instruction to the infrared touch frame control board 100, and further control the infrared touch frame to scan and control the external device 300 to be turned on or off through the infrared touch frame control board 100. The main control board 200 is configured to receive the peripheral signals and the infrared touch data sent by the infrared touch frame control board 100, perform signal processing on the peripheral signals, and perform calculation of touch coordinate data according to the infrared touch data. The signal processing comprises signal amplification, signal filtering and signal conversion processing.
The external device 300 is configured to receive a control instruction issued by the main control board 200 and send a peripheral signal to the infrared touch frame control board 100, where the external device 300 includes one or more of a microphone, a keyboard, and a mouse, and the peripheral signal corresponds to an audio signal collected by the microphone, and an input signal of the keyboard and the mouse.
The plurality of external devices 300 are connected to the first transmission end 101 of the infrared touch frame control board 100, the first transmission end 101 includes a plurality of transmission interfaces, and each transmission interface is connected to one external device 300.
In this embodiment, the plurality of external device 300 is connected with the main control board 200 of the interactive flat panel via the infrared touch frame control board 100, and the peripheral signals received by the external device 300 and the infrared touch data received by the infrared touch frame control board 100 can be collected to the main control board 200 through the same line, so that the wiring in the interactive flat panel is simplified, the assembly wires are saved, the assembly efficiency of the product is improved, and the after-sale maintenance of the product is facilitated.
In an embodiment, referring to fig. 2, the main control board 200 includes a touch data processor 201, the touch data processor 201 is connected to the second transmission terminal 102, and the touch data processor 201 is configured to receive infrared touch data sent by the infrared touch frame control board 100.
In this embodiment, the touch data processor 201 in the main control board 200 receives the infrared touch data sent by the infrared touch frame control board 100, and calculates touch coordinate data according to the infrared touch data. The touch data processor 201 is arranged on the main control board 200 of the interactive tablet, instead of arranging the touch data processor 201 on the infrared touch control board 100, so that more space is reserved in the infrared touch frame control board 100 for placing a circuit connected with the external device 300. The touch data processor 201 is of model STM32F407ZGT6.
In one embodiment, referring to fig. 3, the interactive tablet further includes an interface device 400; the interface device 400 includes a plurality of external device connection ports 401 and a signal transmission port 402, each external device connection port 401 is connected to one external device 400, and the signal transmission port 402 is connected to the first transmission port 101.
In the embodiment of the present application, it is considered that a part of the peripheral signals of the external device 300 need to be subjected to signal conversion to be connected with the infrared touch frame control board 100. Therefore, by directly connecting a part of the external device 300 with the interface device 400, the interface device 400 performs signal conversion on the peripheral signals of the part of the external device 300, and then sends the converted signals to the infrared touch frame control board 100. Optionally, part of the external device 300 is a camera, the interface device 400 is an ISP (Image Signal Processing) board, the peripheral Signal output by the camera is an MIPI Signal, the MIPI Signal is converted into a USB Signal by the ISP board, and the USB Signal is sent to the infrared touch frame control board 100.
The signal transmission port 402 is connected to the first transmission terminal 101, the signal transmission port 402 includes a plurality of signal transmission interfaces, each signal transmission interface is configured to output a converted signal, and each signal transmission interface is connected to one transmission interface of the first transmission terminal 101 and transmits the converted signal to the infrared touch frame control panel 100.
In one embodiment, the interface device 400 includes a plurality of signal conversion chips, each for converting peripheral signals of an external device 300.
In this embodiment, the interface device 400 is a PCB board, the PCB board includes a plurality of external device connection ports 401 and corresponding Signal conversion chips, the external device 300 includes a camera interface, a speaker interface, a microphone interface, and the like, and the Signal conversion chips may include an ISP (Image Signal Processing) chip, an audio conversion chip, and the like. A plurality of external devices 300 can be connected through one interface device 400, and the signal conversion efficiency of the external signals is improved.
In one embodiment, referring to fig. 4, the interactive tablet further includes a power supply 500; the power supply 500 is connected to the interface device 400 via the infrared touch frame control board 100, and the power supply 500 is configured to supply power to the plurality of external devices 300 connected to the interface device 400 via the infrared touch frame control board 100 and the interface device 400.
In this embodiment, the external device 300 is connected to the infrared touch frame control board 100 through the interface device 400, so as to share the power supply of the power supply 500 with the infrared touch frame control board 100, and it is not necessary to add a lead to the power supply 500 to supply power to the external device 300, which saves wires.
In one embodiment, referring to fig. 5, the interactive tablet further includes an infrared touch frame 600; the infrared touch frame control board 100 and the interface device 400 are both disposed on the infrared touch frame body 600.
In the embodiment of the present application, the infrared touch frame control board 100 and the interface device 400 are both disposed on the infrared touch frame body 600, and the positions can be selected according to actual needs.
In one embodiment, the interface device 400 is disposed on the top side of the infrared touch frame body 600, the infrared touch frame control board 100 is disposed on the bottom side of the infrared touch frame body 600, and the signal transmission port 402 of the interface device 400 is connected to the first transmission terminal 101 of the infrared touch frame control board 100 through a signal transmission line.
In the embodiment of the present application, the infrared touch frame 600 includes a top edge, a bottom edge, and two side edges, where the top edge is opposite to the bottom edge, and the top edge is connected to the bottom edge through the two side edges. The interface device 400 is disposed on the top side of the infrared touch frame body 600, and the infrared touch frame control board 100 is disposed on the bottom side of the infrared touch frame body 600. Alternatively, the interface device 400 is disposed at the center of the top side of the infrared touch frame body 600, and the infrared touch frame control board 100 is disposed at the center of the bottom side of the infrared touch frame body 600.
In one embodiment, referring to fig. 6, the signal transmission line 401 is led out from the signal transmission port 402 of the interface device 400, routed along the inner side of the infrared touch frame body 600, and then connected to the first transmission terminal 101 of the control board 100 of the infrared touch frame 500.
In the embodiment of the present application, the signal transmission line 601 is led out from the signal transmission port 402 of the interface device 400, routed along the top, side and bottom directions, and connected to the first transmission terminal 101 of the infrared touch frame control board 100, so as to save wires and reduce cost.
In one embodiment, the main control board 200 includes a peripheral signal processor, and the peripheral signal processor is connected to the second transmission terminal 102 for receiving a peripheral signal transmitted by the interface device 400 via the infrared touch control board.
In the embodiment of the present application, the peripheral signal processor in the main control board 200 receives the peripheral signal sent by the interface device 400 via the infrared touch control board, so as to perform signal processing on the peripheral signal, where the signal processing includes signal amplification, signal filtering, and signal conversion processing. The model of the peripheral signal processor is TMS320C6455BCTZA.
In one embodiment, the main control board 200 further includes a microprocessor, and the microprocessor is connected to the second transmission terminal 102 and configured to control the infrared touch frame 500 to control the control board 100 to perform infrared scanning and control the plurality of external devices 300 to obtain peripheral signals.
In this embodiment, a microprocessor is disposed in the main control board 200, and a control instruction is issued to the infrared touch frame 500 control board 100 through the microprocessor, so as to control the infrared touch frame 500 control board 100 to perform infrared scanning and control a plurality of external devices 300 to acquire an external signal. The model of the microprocessor is MC68VZ328.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising a … …" does not exclude the presence of another identical element in a process, method, article, or apparatus that comprises the element.
The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. An interactive tablet, comprising: the infrared touch screen comprises an infrared touch frame control panel and a main control panel; the infrared touch frame control panel comprises a first transmission end and a second transmission end; the first transmission end is connected with a plurality of external equipment, the second transmission end is connected with the main control board, and the infrared touch frame control board is used for transmitting a plurality of peripheral signals of the external equipment to the main control board.
2. The interactive tablet of claim 1, wherein: the main control panel comprises a touch data processor; the touch data processor is connected with the second transmission end and used for receiving the infrared touch data sent by the infrared touch frame control panel.
3. The interactive tablet of claim 1, wherein: also includes an interface device; the interface device comprises a plurality of external device connecting ports and signal transmission ports, each external device connecting port is connected with one external device, and each signal transmission port is connected with the first transmission end.
4. The interactive tablet of claim 3, wherein: the interface device comprises a plurality of signal conversion chips, and each signal conversion chip is used for converting a peripheral signal of the external device.
5. The interactive tablet of claim 3, wherein: the device also comprises a power supply; the power supply is connected with the interface device through the infrared touch frame control panel, and the power supply is used for providing electric energy for a plurality of external devices connected with the interface device through the infrared touch frame control panel and the interface device.
6. The interactive tablet of claim 3, wherein: the infrared touch frame body is also included; the infrared touch frame control panel and the interface device are arranged on the infrared touch frame body.
7. The interactive tablet of claim 6, wherein: the interface device is arranged on the top edge of the infrared touch frame body, the infrared touch frame control panel is arranged on the bottom edge of the infrared touch frame body, and a signal transmission port of the interface device is connected with a first transmission end of the infrared touch frame control panel through a signal transmission line.
8. The interactive tablet of claim 7, wherein: the signal transmission line is led out from a signal transmission port of the interface device, and is connected to a first transmission end of the infrared touch frame control board after being wired along the inner side of the infrared touch frame body.
9. The interactive tablet of any one of claims 3 to 8, wherein: the main control board also comprises a peripheral signal processor; the peripheral signal processor is connected with the second transmission end and used for receiving peripheral signals sent by the infrared touch control panel.
10. The interactive tablet of any one of claims 1 to 8, wherein: the main control board further comprises a microprocessor, the microprocessor is connected with the second transmission end and used for controlling the infrared touch frame control board to perform infrared scanning and control the plurality of external equipment to acquire external signals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221637846.2U CN218273204U (en) | 2022-06-28 | 2022-06-28 | Interactive tablet |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221637846.2U CN218273204U (en) | 2022-06-28 | 2022-06-28 | Interactive tablet |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218273204U true CN218273204U (en) | 2023-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221637846.2U Active CN218273204U (en) | 2022-06-28 | 2022-06-28 | Interactive tablet |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218273204U (en) |
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- 2022-06-28 CN CN202221637846.2U patent/CN218273204U/en active Active
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