CN210129132U

CN210129132U - Interactive intelligent tablet

Info

Publication number: CN210129132U
Application number: CN201921398574.3U
Authority: CN
Inventors: 杨学涯; 苏章岳
Original assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Current assignee: Guangzhou Shiyuan Electronics Thecnology Co Ltd; Guangzhou Shirui Electronics Co Ltd
Priority date: 2019-08-26
Filing date: 2019-08-26
Publication date: 2020-03-06
Anticipated expiration: 2029-08-26

Abstract

The present specification provides an interactive smart tablet, including a touch unit, a main chip carrying a first operating system, a processing unit carrying a second operating system, and a switching unit; the touch unit is connected with the main chip, the touch unit generates touch data and sends the touch data to the main chip, the main chip is connected with the processing unit through a serial interface, and the main chip receives and processes the touch data and then sends the touch data to the processing unit, so that the second operating system performs touch response; the main chip is further connected with the switching unit, the switching unit is connected with at least one external device, and the main chip sends a control signal to control the switching unit to switch on and off of a channel of the external device, so that the conducted external device can receive touch data to perform touch response. The processing unit is connected with the main chip to keep communication without reconnection, and can quickly perform touch response, thereby effectively reducing touch delay and avoiding the phenomenon of no response to touch in a short time.

Description

Interactive intelligent tablet

Technical Field

The specification relates to the technical field of electronic equipment, in particular to an interactive intelligent tablet.

Background

An interactive intelligent tablet, also called an all-in-one machine, is an integrated device for controlling contents displayed on a display tablet and realizing human-computer interaction operation through a touch technology. The interactive intelligent tablet can usually support multi-channel access to a plurality of operation signal sources (such as a built-in computer, external equipment and the like), so that the interactive intelligent tablet can be interconnected with the external equipment besides the built-in computer, touch data sent by the main chip can be transmitted to the built-in computer or the external equipment, and the built-in computer or the external equipment can execute touch operation according to the touch data.

In the existing interactive intelligent panel, a USB switch is arranged between a main chip and each channel for switching on and off of a physical link between the main chip and each operating signal source, the channel of one operating signal source is kept connected by switching selection, the channels of other operating signal sources are disconnected, and the main chip transmits touch data to the operating signal source through the corresponding channel. In practical applications, frequent switching between the internal computer and the external device is often involved, however, when switching to the internal computer, it is necessary to wait for the reconnection of the physical link between the main chip and the internal computer, and a touch delay or a phenomenon of no response to touch in a short time may occur.

SUMMERY OF THE UTILITY MODEL

To overcome the problems in the related art, the present specification provides an interactive smart tablet.

According to an embodiment of the present specification, there is provided an interactive smart tablet including: the system comprises a touch unit, a main chip bearing a first operating system, a processing unit bearing a second operating system and a switching unit; the touch unit is connected with the main chip and used for generating touch data and sending the touch data to the main chip; the main chip is connected with the processing unit through a serial interface, and is used for receiving touch data of the touch unit and sending the processed touch data to the processing unit; the main chip is further connected with the switching unit, the switching unit is connected with at least one external device, the main chip is further used for sending a control signal to control the switching unit to switch on and off of a channel of the external device, processed touch data are sent to the external device, and the switching unit is used for switching on and off of the channel between the main chip and the external device according to the control signal.

The technical scheme provided by the embodiment of the specification can have the following beneficial effects:

the interactive intelligent panel comprises a touch unit, a main chip, a processing unit and a switching unit, wherein the touch unit is connected with the main chip, the processing unit is connected with the main chip through a serial interface, the switching unit is connected with the main chip, and the switching unit is further connected with at least one external device. The touch unit is used for generating touch data and sending the touch data to the main chip; the main chip is used for receiving and processing touch data output by the touch unit, sending the touch data to a processing unit carrying a second operating system or sending the touch data to external equipment through judgment, if the touch data is judged to be sent to the processing unit, the main chip encapsulates the processed touch data into serial port data and sends the serial port data to the processing unit through a serial interface, the processing unit analyzes the serial port data firstly and then converts the serial port data into the processed touch data, and therefore the second operating system carried by the processing unit can perform touch response according to the touch data; if the touch data are judged to be sent to the external equipment, the main chip sends a control signal to the switching unit, the switching unit switches a channel between the main chip and the external equipment from original disconnection to connection according to the control signal, and the main chip sends the processed touch data to the external equipment with the channel connected, so that the external equipment can perform touch response according to the touch data.

Because the processing unit carrying the second operating system in the interactive intelligent tablet is connected with the main chip to keep communication, whether touch data are sent to the processing unit is judged through the main chip, if yes, the processed touch data are packaged into serial data which are directly sent to the processing unit through the serial interface, the serial data are converted into recognizable data after being received by the processing unit, the second operating system can make touch response according to the touch data, reconnection of a physical link between the main chip and the processing unit is not needed in the process, and therefore the second operating system carried by the processing unit can quickly make touch response after receiving the touch data, touch delay can be effectively reduced, and the phenomenon that touch does not react in a short time can be avoided.

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 specification.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present specification and together with the description, serve to explain the principles of the specification.

Fig. 1 is a schematic diagram illustrating a hardware structure of an interactive smart tablet according to an exemplary embodiment of the present specification.

Fig. 2 is a schematic diagram of a hardware structure of an interactive smart tablet according to another exemplary embodiment of the present specification.

Fig. 3 is a schematic diagram of a hardware structure of an interactive smart tablet according to still another exemplary embodiment of the present specification.

Fig. 4 is a schematic diagram of a hardware structure of an interactive smart tablet according to still another exemplary embodiment of the present specification.

Fig. 5 is a schematic diagram of a hardware structure of a television-computer all-in-one machine according to an exemplary embodiment of the present disclosure.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present specification. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the specification, as detailed in the appended claims.

The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the description. As used in this specification 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. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It should be understood that although the terms first, second, third, etc. may be used herein to describe various information, these information should not be limited to these terms. These terms are only used to distinguish one type of information from another. For example, the first information may also be referred to as second information, and similarly, the second information may also be referred to as first information, without departing from the scope of the present specification. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.

Referring to fig. 1, fig. 1 is a schematic diagram illustrating a hardware structure of an interactive smart tablet 10 according to an exemplary embodiment of the present disclosure, where the interactive smart tablet 10 includes: the touch device comprises a touch unit 110, a main chip 120 carrying a first operating system, a processing unit 130 carrying a second operating system, and a switching unit 140. The touch unit 110 is connected to the main chip 120, and the touch unit 110 is configured to generate touch data and send the touch data to the main chip 120; the main chip 120 is connected to the processing unit 130 through a serial interface, and the main chip 120 is configured to receive touch data of the touch unit 110 and send the processed touch data to the processing unit 130; the main chip 120 is further connected to the switching unit 140, the switching unit 140 is connected to at least one external device 150, the main chip 120 is further configured to send a control signal to control the switching unit 140 to switch on and off of a channel with the external device 150, and send the processed touch data to the external device 150, and the switching unit 140 is configured to switch on and off of the channel between the main chip 120 and the external device 150 according to the control signal, so that the main chip 120 sends the processed touch data to the external device 150 with the channel turned on.

In this embodiment, the interactive smart tablet includes a touch unit, a main chip, a processing unit and a switching unit, wherein the touch unit is connected to the main chip, the processing unit is connected to the main chip through a serial interface, the switching unit is connected to the main chip, and the switching unit is further connected to at least one external device. The touch unit is used for generating touch data and sending the touch data to the main chip; the main chip is used for receiving and processing touch data output by the touch unit, sending the touch data to a processing unit carrying a second operating system or sending the touch data to external equipment through judgment, if the touch data is judged to be sent to the processing unit, the main chip encapsulates the processed touch data into serial port data and sends the serial port data to the processing unit through a serial interface, the processing unit analyzes the serial port data firstly and then converts the serial port data into recognizable processed touch data, and therefore the second operating system carried by the processing unit can perform touch response according to the touch data; if the touch data are judged to be sent to the external equipment, the main chip sends a control signal to the switching unit, the switching unit switches a channel between the main chip and the external equipment from original disconnection to connection according to the control signal, and the main chip sends the processed touch data to the external equipment with the channel connected, so that the external equipment can perform touch response according to the touch data.

Because the processing unit carrying the second operating system in the interactive intelligent tablet is connected with the main chip to keep communication, whether the touch data is sent to the processing unit is judged through the main chip, if yes, the processed touch data is packaged into serial port data and is directly sent to the processing unit through the serial port, the serial port data is converted into recognizable data after being received by the processing unit, the second operating system can make touch response according to the touch data, the physical link between the main chip and the processing unit is not required to be reconnected in the process, the disconnection and connection between the main chip and the processing unit are not required to be controlled through the switching unit, therefore, the second operating system carried by the processing unit can quickly perform touch response after receiving the touch data, the touch delay can be effectively reduced, the phenomenon that the touch is not reacted in a period of time can be avoided, and the user experience is improved.

It should be understood that the touch unit generates touch data through the detected touch signal, the touch data is non-standard touch data, and the main chip receives the non-standard touch data and processes the non-standard touch data to convert the non-standard touch data into standard touch data, and specifically, the main chip converts the touch data without coordinates into touch data with coordinates by running a touch algorithm, so that the main chip, the processing unit or the external device can perform a touch response according to the touch data with coordinates. The touch unit can be a touch frame or a capacitive screen. It should be noted that, the interactive smart tablet further includes a display unit, the display unit is connected to the main chip, and the main chip determines which signal source the touch data is sent to by judging whether the current display content of the display unit is from which signal source, from a first operating system carried by the main chip, from a second operating system carried by the processing unit, or from an external device. When the signal source is a first operating system, touch data does not need to be forwarded, and the first operating system carried by the main chip carries out touch response; when the signal source is a second operating system, the processed touch data is sent to the processing unit, and the second operating system carried by the processing unit carries out touch response; when the signal source is an operating system carried by one of the external devices, the main chip controls the switching unit to be switched to the external device, so that a channel between the main chip and the external device is conducted, the processed touch data is sent to the external device, and the operating system carried by the external device carries out touch response. The external device may be a computer or other device equipped with an operating system, and this specification is not particularly limited.

The Serial Interface in this embodiment may be an SPI (Serial Peripheral Interface), a UART (Universal Asynchronous Receiver/Transmitter ) Interface, an I2C (Inter-Integrated Circuit, two-wire synchronous Serial bus) Interface, or other types of Serial interfaces. Serial interfaces such as SPI interface, UART interface, and I2C interface can be substituted for each other. Compared with a UART interface and an I2C interface, the SPI interface has a high transmission speed and can transmit touch data from a main chip to a microprocessor quickly. The serial interfaces in other embodiments of the present disclosure may include, but are not limited to, the above-mentioned serial interfaces.

In addition to the connection between the main chip and the processing unit through the serial interface, other hardware such as the connection between the touch unit, the main chip and the switching unit, in one example, the touch unit, the main chip and the switching unit are all connected through USB interfaces, and communication transmission is performed through a USB protocol. That is to say, the touch data generated by the touch unit is sent to the main chip through the USB interface, the main chip sends the control signal to the switching unit, the switching unit switches to the external device currently displaying the signal source, so that the channel between the main chip and the external device is conducted, and the main chip sends the processed touch data to the external device through the USB interface. The USB interface has the advantages of high transmission speed and good compatibility, and can effectively improve the transmission speed and reliability of the touch data.

The processing unit may be an independent hardware module, or may include a plurality of hardware modules. In the case that the processing unit is an independent hardware module, the functions of analyzing and converting serial port data, performing touch response according to touch data and the like of the processing unit are realized by the hardware module; in the case that the processing unit is an independent hardware module, the functions of analyzing and converting serial port data, performing touch response according to touch data and the like of the processing unit can be realized by a plurality of hardware modules in a time division manner.

In one embodiment, the processing unit includes a microprocessor and a computer unit carrying the second operating system, the main chip is connected to the microprocessor through a serial interface, the microprocessor is connected to the computer unit, and the microprocessor is configured to convert the received processed touch data into data that can be recognized by the computer unit and send the data to the computer unit. Based on this, the hardware structure of the interactive smart tablet of the present embodiment is shown by fig. 2.

Referring to fig. 2, fig. 2 is a schematic diagram illustrating a hardware structure of another interactive smart tablet 20 according to an exemplary embodiment of the present disclosure, where the interactive smart tablet 20 includes: the touch device comprises a touch unit 210, a main chip 220 carrying a first operating system, a microprocessor 231, a computer unit 232 carrying a second operating system, and a switching unit 240. The touch unit 210 is connected to the main chip 220, and the touch unit 210 is configured to generate touch data and send the touch data to the main chip 220; the main chip 220 is connected to the microprocessor 231 through a serial interface (for example, the serial interface includes but is not limited to an SPI interface, a UART interface, an I2C interface, etc.), the microprocessor 231 is connected to the computer unit 232, the main chip 220 is configured to receive touch data of the touch unit 220 and send the processed touch data to the microprocessor 231, and the microprocessor 232 is configured to convert the received processed touch data into data recognizable by the computer unit 232 and send the data recognizable by the computer unit 232 to the computer unit 232; the main chip 220 is further connected to the switching unit 240, the switching unit 240 is connected to at least one external device 250, the main chip 220 is further configured to send a control signal to control the switching unit 240 to switch on and off of a channel with the external device, and send processed touch data to the external device 250, and the switching unit 240 is configured to switch on and off of the channel between the main chip 220 and the external device 250 according to the control signal, so that the main chip 220 sends the processed touch data to the external device 250 with the channel turned on.

In this embodiment, the microprocessor is used as one of the hardware modules of the processing unit and is configured to implement functions of parsing and converting serial data, the microprocessor receives the serial data sent by the main chip, parses the serial data, converts the serial data into data recognizable to the computer unit, and sends the data to the computer unit, and a second operating system mounted on the computer unit performs touch response according to the touch data. The touch unit, the main chip and the switching unit can be connected through a USB interface and carry out communication transmission through a USB protocol; the microprocessor and the computer unit can also be connected through a USB interface, the microprocessor converts serial port data into USB data, the USB data is data which can be identified by the computer unit, and the computer unit receives the USB data and carries out touch response according to touch data in a USB format.

In one embodiment, the microprocessor includes an OTG USB interface for transmitting touch data. The OTG (On-The-Go) technology is to realize data transfer between devices without a Host. In this embodiment, the microprocessor is connected to a computer unit (for example, an OPS module) through the OTG USB interface, and when the microprocessor receives the processed touch data transmitted by the main chip, the microprocessor simulates itself into a standard touch device by using the OTG USB interface, and sends the standard touch data to the computer unit, and the computer unit performs a touch response. The features of this embodiment may be combined with the features of other embodiments in any combination, as long as there is no conflict or contradiction between the combinations of the features, but the combination is not described one by one at the time. For example, in one combined embodiment, the touch unit and the main chip, the main chip and the switching unit, and the switching unit and the external device are connected through USB interfaces, and the microprocessor and the computer unit are connected through an OTG USB interface. For another example, the main chip is connected to the microprocessor through an SPI interface, and the microprocessor is connected to the computer unit through an OTG USB interface. For another example, the touch unit is connected to the main chip, the main chip is connected to the switching unit, and the switching unit is connected to the external device through USB interfaces, the main chip is connected to the microprocessor through an I2C interface, and the microprocessor is connected to the computer unit through an OTG USB interface. In one embodiment, the touch device is a USB device. For example, the microprocessor simulates itself as a USB device recognizable by the computer unit using the OTG USB interface, so that the computer unit can perform a touch response according to touch data of the USB device.

Regarding the computer unit, it can be a computer unit built in the mutual intelligent tablet, and inlay on a main circuit board with the android chip, also can be pluggable computer module. In an embodiment, the computer unit is an OPS (Open plug capable Specification) module, specifically, an OPS module loaded with a second operating system, and the OPS module is connected to the microprocessor. The OPS module is used as a computer unit of a second operating system of the interactive intelligent tablet, so that power consumption can be reduced, and the heat dissipation effect is improved. The features of this embodiment may be combined with the features of other embodiments in any combination, as long as there is no conflict or contradiction between the combinations of the features, but the combination is not described one by one at the time. For example, in one combined embodiment, the main chip and the microprocessor are connected through an SPI interface, and the OPS module and the microprocessor are connected through an OTG USB interface. For another example, the touch frame is connected with the main chip, the main chip is connected with the microprocessor through an SPI interface, and the OPS module is connected with the microprocessor through an OTG USB interface.

In one embodiment, the main chip includes an OTG USB interface, and the main chip is connected to the switching unit through the OTG USB interface, so that the main chip can simulate itself into a standard touch device by using the OTG USB interface, send standard touch data to the external device, and enable the external device to perform touch response according to the standard touch data. The features of this embodiment may be combined with the features of other embodiments in any combination, as long as there is no conflict or contradiction between the combinations of the features, but the combination is not described one by one at the time. For example, in one combined embodiment, the touch unit and the main chip, the switching unit and the external device are connected through USB interfaces, and the main chip and the switching unit are connected through an OTG USB interface. For another example, the capacitive screen is connected with the main chip, the main chip is connected with the microprocessor through a serial interface, and the main chip is connected with the switching unit through an OTG USB interface. For another example, the touch unit is connected to the main chip and the switching unit is connected to the external device through USB interfaces, the main chip is connected to the microprocessor through a UART interface, and the microprocessor is connected to the computer unit and the main chip is connected to the switching unit through OTG USB interfaces. In one embodiment, the main chip includes a control interface, and the main chip is further connected to the switching unit through the control interface, and is configured to transmit a signal for controlling the switching unit to switch on/off a channel of an external device. In this embodiment, the main chip is connected to the switching unit through a control interface, so that two communication channels are provided between the main chip and the switching unit, one communication channel is used for transmitting touch data, the other communication channel is used for transmitting a control signal, the switching unit can switch which channel is switched on after receiving the control signal, and the main chip sends the touch data to the external device switched on by the channel. Therefore, the switching of the channels between the main chip and the external equipment by the switching unit can be effectively controlled, and the switching to the corresponding external equipment is ensured. The features of this embodiment may be combined with the features of other embodiments in any combination, as long as there is no conflict or contradiction between the combinations of the features, but the combination is not described one by one at the time. For example, in one combined embodiment, the touch unit, the main chip, the switching unit, and the external device are all connected through USB interfaces for transmitting touch data, and the control interface of the main chip is further connected to the switching unit for transmitting a signal for controlling the switching unit to switch on/off of a channel of the external device. For another example, the main chip is connected to the processing unit through an SPI interface, the main chip is connected to the switching unit through an OTG USB interface, and the control interface of the main chip is connected to the switching unit and is configured to transmit a signal for controlling the switching unit to switch on/off a channel of the external device. In one embodiment, the control interface is a GPIO (general purpose input/output) interface. And the GPIO interface is adopted to send the control signal, so that the power consumption can be effectively reduced. The control interface in any other embodiment of this specification may be a GPIO interface.

In one embodiment, the switching unit is a USB switch, and one end of the USB switch is connected to the main chip, and the other end of the USB switch is connected to at least one external device. Specifically, one end of the USB switch may be connected to the main chip through a USB interface, and the other end of the USB switch may be connected to at least one external device through a USB interface; one end of the USB change-over switch is respectively connected with the main chip through a USB interface and a GPIO interface, and the other end of the USB change-over switch is connected with at least one external device through a USB interface; one end of the USB change-over switch is respectively connected with the main chip through an OTGUSB interface and a GPIO interface, and the other end of the USB change-over switch is connected with at least one external device through a USB interface. The main chip sends a control signal through the GPIO interface, the USB transfer switch receives the control signal, a channel between the external device and the main chip is switched and selected to be conducted, the main chip can send processed touch data to the external device, and the external device can perform touch response.

Besides transmitting touch data, the main chip of the interactive smart tablet can also transmit audio data to a corresponding operating signal source, for example, the audio data acquired in real time is transmitted to the corresponding operating signal source. The main chip can transmit the collected audio data to the current operating signal source by adopting the link of any embodiment, and if the current operating signal source is the first operating system, forwarding is not needed; if the current operating signal source is a second operating system, transmitting the audio data to the processing unit through the serial interface or transmitting the audio data to the microprocessor, and forwarding the audio data to the computer unit by the microprocessor; and if the current operating signal source is the operating system of the external equipment, sending the operating signal source to the external equipment with the communicated channel. Due to the limited transmission bandwidth of the serial interface, when touch data and audio data need to be transmitted simultaneously, the amount of transmitted data is large, data transmission errors are easily caused, and the transmission speed is affected.

Based on this, please refer to fig. 3, fig. 3 is a schematic diagram illustrating a hardware structure of another interactive smart tablet 30 according to an exemplary embodiment of the present specification, where the interactive smart tablet 30 includes: the touch device comprises a touch unit 310, a main chip 320 carrying a first operating system, a processing unit 330 carrying a second operating system, and a switching unit 340. The touch unit 310 is connected to the main chip 320 (for example, connected through a USB interface), and the touch unit 310 is configured to generate touch data and send the touch data to the main chip 320; the main chip 320 is connected to the processing unit 330 through a serial interface (for example, the serial interface includes but is not limited to an SPI interface, a UART interface, an I2C interface, etc.), and the main chip 320 is configured to receive the touch data of the touch unit 310 and send the processed touch data to the processing unit 330; the main chip 320 is further connected to the switching unit 340 (for example, connected through a USB interface or an OTG USB interface), the switching unit 340 is connected to at least one external device 350 (for example, connected through a USB interface), the main chip 320 is further configured to send a control signal to control the switching unit 340 to switch on/off of a channel with the external device 350, and send the processed touch data to the external device 350, the switching unit 340 is configured to switch on/off of a channel between the main chip 320 and the external device 350 according to the control signal, so that the main chip 320 sends the processed touch data to the external device 350 with a conductive channel; the switching unit 340 is further connected to the processing unit 330 (for example, connected through a USB interface), and the main chip 320 is further configured to control the switching unit 340 to switch a channel communication with the processing unit 330, and send audio data to the processing unit 330.

In this embodiment, the switching unit is further connected to the processing unit, specifically, the switching unit is connected to the processing unit through a USB interface, the main chip is further configured to control the switching unit to switch the channel of the main chip to communicate with the processing unit, a second channel is further established between the main chip and the processing unit, and the main chip sends the audio data to the processing unit through the second channel. Therefore, the main chip is used for transmitting the touch data through the channel connected with the processing unit through the serial interface, and the audio data are transmitted by conducting the channel between the main chip and the processing unit through the main chip control switching unit.

It should be understood that, in an application scenario where the processing unit includes a microprocessor and a computer unit, in terms of an original hardware structure, the switching unit is further connected to the computer unit (for example, connected through a USB interface), and the main chip controls the switching unit to switch to a channel connected to the computer unit for conducting, so as to transmit audio data.

Regarding the operating system of the interactive smart tablet, in one embodiment, the first operating system is an android (android) system, and the main chip is an android main chip. In one embodiment, the second operating system is a Windows system, that is, a processing unit or a computer unit (for example, an OPS module) is equipped with the Windows system, so that the interactive smart tablet is equipped with two different operating systems and can be accessed to an external device, a user can switch to use the interactive smart tablet according to a requirement, and the android main chip transmits touch data to a corresponding signal source according to which signal source the current display content of the display unit originates from, thereby implementing touch control. For example, if the current display unit displays a display interface of the android system, the android system performs touch response according to the processed touch data; if the current display unit displays a Windows system, the android main chip sends the processed touch data to the processing unit, or the microprocessor sends the processed touch data to a computer unit (such as an OPS module) through the microprocessor, and the Windows system performs touch response; and if the current display unit displays a display interface of a system carried by the external equipment, the android main chip sends the processed touch data to the external equipment, and the external equipment performs touch response. The second operating system may be any other operating system such as Linux, Mac, or the like.

Referring to fig. 4, fig. 4 is a schematic diagram of a hardware structure of an interactive smart tablet 40 shown on the basis of the above embodiment, where the interactive smart tablet 40 includes: the touch screen 410, an android main chip 420 carrying an android system, a microprocessor 431, an OPS module 432 carrying a second operating system, and a USB transfer switch 440. The touch frame 410 is connected with the android main chip 420 through a USB interface, and the touch frame 410 is used for generating touch data and sending the touch data to the android main chip 420; the android main chip 420 is connected with the microprocessor 431 through an SPI interface, and the microprocessor 431 is connected with the OPS module 432 through an OTG USB interface; android main chip 420 still is connected with USB change over switch 440 through OTG USB interface and GPIO interface respectively, and USB change over switch 440 is connected with external device 450, external device 460 and external device 470 respectively through the USB interface, and USB change over switch 440 still is connected with OPS module 432 through the USB interface.

In this embodiment, the interactive smart tablet 40 may transmit touch data and audio data. In the process of touch data transmission, the touch frame 410 detects a touch signal and generates non-standard touch data without coordinates, the touch data is sent to the android main chip 420 through the USB interface, the android main chip 420 receives the touch data, a touch algorithm can be operated to process the standard touch data with coordinates, and according to a display content source of the current display screen, the processed touch data is sent to the android system carried by the touch frame or is output to the microprocessor 431 through the SPI interface, the microprocessor 431 outputs to the OPS module 432 through the OTG USB interface for touch response, or the OTG USB interface outputs to an external device for touch response: when the display content is from the android system, the android main chip 420 performs touch response according to the processed touch data; when the display content comes from the OPS module 432, the android main chip 420 encapsulates the processed touch data into serial data and sends the serial data to the microprocessor 431 through the SPI interface, the microprocessor 431 analyzes the serial data, converts the serial data into USB data, simulates the serial data into a standard touch device by using the OTG USB interface, sends the touch data to the OPS module 432, and the OPS module 432 performs touch response according to the touch data to realize touch control on the OPS module 432; when the display content comes from the external device 450, the android main chip 420 sends a control signal through the GPIO interface to control the USB switch 440 to switch to the external device 450, so that a channel between the android main chip 420 and the external device 450 is turned on, and other channels are turned off, the android main chip 420 simulates itself into a standard touch device by using an OTG USB interface, and sends touch data to the external device 450, and the external device 450 performs touch response according to the touch data to realize touch control on the external device 450; when the display content is from the external device 460 or the external device 470, the same operation as the external device 450 is omitted here for brevity.

On the other hand, in the transmission process of the audio data, the android main chip 420 collects the audio data, and transmits the audio data to the corresponding operation signal source by judging which current operation signal source is. If the current operating signal source is the first operating system, forwarding is not needed; if the current operating signal source is the second operating system, the android main chip 420 sends a control signal through the GPIO interface, and controls the USB switch 440 to switch to the OPS module 432, so that a channel between the android main chip 420 and the OPS module 432 is turned on, other channels are turned off, and the android main chip 420 transmits audio data to the OPS module 432; if the current operating signal source is an operating system carried by the external device 450, the android main chip 420 sends a control signal through the GPIO interface to control the USB switch 440 to switch to the external device 450, so that a channel between the android main chip 420 and the external device 450 is turned on, other channels are turned off, and the android main chip 420 transmits audio data to the external device 450; when the display content is from the external device 460 or the external device 470, the same operation as the external device 450 is omitted here for brevity. It can be understood that, under the condition of simultaneously transmitting touch data and audio data, if the current operating signal source is the second operating system, the touch data and the audio data are respectively transmitted to the OPS module carrying the second operating system through two channels; if the current operating signal source is an external device, the touch data and the audio data are transmitted through a channel of an android main chip, a USB (universal serial bus) selector switch and the external device.

It should be noted that the number of external devices connected by the switching unit may be less than three, equal to three, or more than three.

It is worth mentioning that the television and computer all-in-one machine is a device integrating a computer host, a display screen, a television and a sound box into a whole, is similar to an interactive intelligent panel, can use the television function and the computer function by switching, can be connected with other external devices, is provided with a touch unit, and can operate the television, the computer or the external devices by touch control. The existing television and computer integrated machine also realizes the switching between the television function and the computer function by arranging a switching unit. Then, for solving the problem of touch delay or no response to touch in a short time, the all-in-one television and computer can also adopt the hardware architecture of the interactive smart tablet in the above exemplary embodiment.

Referring to fig. 5, fig. 5 is a schematic diagram of a hardware structure of a television and computer all-in-one machine 50 according to an exemplary embodiment of the present disclosure. The television-pc all-in-one machine 50 includes: touch unit 510, television main board 520 equipped with a first operating system, processing unit 530 equipped with a second operating system, and switching unit 540. The touch unit 510 is connected to the television main board 520, and the touch unit 510 is configured to generate touch data and send the touch data to the television main board 520; the television main board 520 is connected with the processing unit 530 through a serial interface, the television main board 520 is configured to receive touch data of the touch unit 510, package the processed touch data into serial data, and send the serial data to the processing unit 530, the processing unit 530 analyzes the serial data and converts the serial data into recognizable processed touch data, so that a second operating system carried by the processing unit 530 performs touch response, the television main board 520 is further connected with the switching unit 540, the switching unit 540 is connected with at least one external device 550, and the television main board 520 is further configured to send a control signal to control the switching unit 540 to switch on and off of a channel of the external device, and send the processed touch data to the external device 550 with the switched-on channel.

In this embodiment, the television and computer all-in-one machine includes a touch unit, a television main board, a processing unit and a switching unit, wherein the touch unit is connected with the television main board, the processing unit is connected with the television main board through a serial interface, the switching unit is connected with the main chip, and the switching unit is further connected with at least one external device. The touch unit is used for generating touch data and sending the touch data to the television mainboard; the television mainboard is used for receiving and processing touch data output by the touch unit, sending the touch data to a processing unit carrying a second operating system or sending the touch data to external equipment through judgment, if the touch data is judged to be sent to the processing unit, the television mainboard encapsulates the processed touch data into serial port data and sends the serial port data to the processing unit through a serial interface, the processing unit analyzes the serial port data firstly and then converts the serial port data into recognizable processed touch data, and therefore the second operating system carried by the processing unit can perform touch response according to the touch data; if the touch data are judged to be sent to the external equipment, the television mainboard sends a control signal to the switching unit, the switching unit switches the channel between the television mainboard and the external equipment from the original disconnection to the connection according to the control signal, and the television mainboard sends the processed touch data to the external equipment with the connected channel, so that the external equipment can perform touch response according to the touch data. Because the processing unit loaded with the second operating system in the television and computer all-in-one machine is connected with the television main board to keep communication, whether touch data are sent to the processing unit is judged through the television main board, if yes, the processed touch data are packaged into serial port data to be directly sent to the processing unit through the serial port, the serial port data are converted into recognizable data after being received by the processing unit, the second operating system can make touch response according to the touch data, in the process, the physical link between the television main board and the processing unit is not required to be reconnected, and the disconnection and connection between the television main board and the processing unit are not required to be controlled through the switching unit, so that the second operating system loaded by the processing unit can quickly make touch response after receiving the touch data, the touch delay can be effectively reduced, and the phenomenon that touch does not react in a short time can be avoided, thereby improving the user experience.

It should be understood that the function of the television main board in the television-computer all-in-one machine of the present embodiment is equivalent to the function of the main chip in the interactive smart tablet of the above embodiment. The further description of the hardware in the above embodiment can also be applied to the hardware of the television-computer integrated machine in this embodiment. For a specific working principle of the television-computer all-in-one machine of this embodiment, reference may be made to the description of the working principle of the interactive intelligent tablet of the above embodiment, which is not described herein again.

Other embodiments of the present disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This specification is intended to cover any variations, uses, or adaptations of the specification following, in general, the principles of the specification and including such departures from the present disclosure as come within known or customary practice within the art to which the specification pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the specification being indicated by the following claims.

It will be understood that the present description is not limited to the precise arrangements described above and shown in the drawings, and that various modifications and changes may be made without departing from the scope thereof. The scope of the present description is limited only by the appended claims.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above description is only a preferred embodiment of the present disclosure, and should not be taken as limiting the present disclosure, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present disclosure should be included in the scope of the present disclosure.

Claims

1. An interactive smart tablet, comprising: the system comprises a touch unit, a main chip bearing a first operating system, a processing unit bearing a second operating system and a switching unit;

the touch unit is connected with the main chip and used for generating touch data and sending the touch data to the main chip;

the main chip is connected with the processing unit through a serial interface, and is used for receiving touch data of the touch unit and sending the processed touch data to the processing unit;

the main chip is further connected with the switching unit, the switching unit is connected with at least one external device, the main chip is further used for sending a control signal to control the switching unit to switch on and off of a channel of the external device, processed touch data are sent to the external device, and the switching unit is used for switching on and off of the channel between the main chip and the external device according to the control signal.

2. The interactive smart tablet of claim 1, wherein the switching unit is further connected to the processing unit, and the main chip is configured to control the switching unit to switch to communicate with a channel of the processing unit, and send audio data to the processing unit.

3. The interactive smart tablet of claim 1, wherein the processing unit comprises a microprocessor and a computer unit carrying the second operating system, the main chip is connected with the microprocessor through a serial interface, the microprocessor is connected with the computer unit, and the microprocessor is configured to convert the received processed touch data into data recognizable by the computer unit and send the data to the computer unit.

4. The interactive smart tablet of claim 3, wherein the computer unit is an OPS module.

5. The interactive smart tablet of claim 3, wherein the microprocessor comprises an OTG USB interface for transmitting touch data.

6. The interactive smart tablet of claim 1, wherein the master chip comprises a control interface for connecting with the switching unit.

7. The interactive smart tablet of claim 6, wherein the control interface is a GPIO interface.

8. The interactive smart tablet of claim 1, wherein the serial interface is an SPI interface.

9. The interactive smart tablet of claim 1, wherein the switching unit is a USB switch.

10. The interactive smart tablet of any one of claims 1 to 9, wherein the first operating system is an android system.