CN110825445A - Timing startup and shutdown system of interactive intelligent panel - Google Patents

Timing startup and shutdown system of interactive intelligent panel Download PDF

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Publication number
CN110825445A
CN110825445A CN201910932491.6A CN201910932491A CN110825445A CN 110825445 A CN110825445 A CN 110825445A CN 201910932491 A CN201910932491 A CN 201910932491A CN 110825445 A CN110825445 A CN 110825445A
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module
control
signal
power
timing
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CN201910932491.6A
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CN110825445B (en
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杨起源
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Guangzhou Shiyuan Electronics Thecnology Co Ltd
Guangzhou Shirui Electronics Co Ltd
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Guangzhou Shiyuan Electronics Thecnology Co Ltd
Guangzhou Shirui Electronics Co Ltd
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44Arrangements for executing specific programs
    • G06F9/4401Bootstrapping
    • G06F9/4406Loading of operating system
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26Power supply means, e.g. regulation thereof
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44Arrangements for executing specific programs
    • G06F9/4401Bootstrapping
    • G06F9/442Shutdown

Abstract

The embodiment of the application provides a dull and stereotyped timing switch machine system of mutual intelligence, includes: a display module and a PC module; the display module comprises a control chip and a power supply module; the PC module comprises a PC control module, an RTC module and a battery module; an operating system program operated by the PC control module receives the timing on-off time set by a user and sends a timing on-off time signal to the RTC module; the RTC module sends a timing on-off signal to the PC control module after reaching the timing on-off time; the PC control module controls the PC module to be powered on and powered off according to the timing power on and power off signal; the PC control module controls and changes the port state according to the running state of the PC module; the control chip detects the port state and controls the display module to be turned on or off according to the port state. According to the embodiment of the application, the related timing switch circuit and the startup and shutdown interface do not need to be additionally configured, so that the cost is saved, the logic program design complexity is reduced, and the development difficulty and the maintenance complexity are reduced.

Description

Timing startup and shutdown system of interactive intelligent panel
Technical Field
The embodiment of the application relates to the field of interactive intelligent panels, in particular to a timing startup and shutdown system of an interactive intelligent panel.
Background
The interactive intelligent panel integrates a television technology, a computer technology, a touch technology and a sound technology, realizes man-machine interaction, has the display function of the traditional liquid crystal television, can also enable the interactive intelligent panel to have the calculation capacity through a built-in or external PC module, realizes interactive operation through the touch technology, and obtains convenient man-machine interaction experience.
In the process of implementing the invention, the inventor finds that the following problems exist in the prior art: in the traditional scheme for realizing the timing on-off of the interactive intelligent panel, a related timing on-off circuit needs to be additionally configured, a complex timing on-off logic program needs to be designed, the development period is long, and the design cost is high.
Disclosure of Invention
In order to overcome the problems in the related art, the application provides a timing startup and shutdown system of an interactive intelligent panel, which has the advantages of no need of additionally configuring related startup and shutdown circuits, simple logic program design, short development period and low maintenance cost.
According to the embodiment of the application, a timing startup and shutdown system of an interactive intelligent tablet is provided, which comprises: a display module and a PC module; the display module comprises a control chip and a power supply module; the PC module comprises a PC control module, an RTC module and a battery module which is connected with the RTC module and supplies power to the RTC module;
the PC control module is provided with a first signal end; the PC control module is used for being connected with the power supply module through the first signal end so as to obtain electric energy provided by the power supply module;
the PC control module is also provided with a second signal end; the operating system program operated by the PC control module is used for receiving the timing on-off time set by a user and sending a timing on-off time signal to the RTC module through the second signal terminal;
the PC control module is also provided with a third signal end; the RTC module of the PC module is used for sending a timing startup and shutdown signal to the PC control module through the third signal terminal after the timing startup and shutdown time is reached; the PC control module is used for controlling the timing on-off of the PC module according to the timing on-off signal received by the third signal terminal;
the PC control module is also provided with a fourth signal end for identifying the running state of the PC module; the PC control module is used for controlling and changing the port state of the fourth signal end according to the running state of the PC module;
the control chip is used for detecting the port state of the fourth signal end and controlling the display module to be turned on and turned off according to the port state of the fourth signal end so as to realize the timing on and off of the interactive intelligent panel.
In an exemplary embodiment, the running state of the PC module includes a power-on state and a power-off state; when the control chip detects that the port state identifier of the fourth signal port is in a shutdown state, the display module is controlled to be shut down; and when the control chip detects that the port state identifier of the fourth signal port is in a starting state, the display module is controlled to start.
In one exemplary embodiment, the fourth signal terminal is composed of three input-output ports; and the control chip polls the port states of the three input and output ports and obtains the running state of the PC module according to the mapping relation between the port states of the three input and output ports and the running state of the PC module.
In an exemplary embodiment, the PC control module is further provided with a fifth signal terminal; after an operating system program operated by the PC control module receives the timing startup time set by a user, a notification signal of timing startup is sent to the control chip through the fifth signal terminal; the control chip receives and stores the notification signal, and when the PC module is in a power-off state, the control chip sends a power supply starting control signal to the power supply module so as to control the power supply module to supply power to the PC control module. When the control chip does not receive the notification signal and the PC module is in a power-off state, the control chip sends a power supply closing control signal to the power supply module so as to control the power supply module to cut off power supply to the PC control module.
According to the embodiment of the application, the timing on-off time is set on the operating system of the PC module, the timing on-off signal is sent to the PC control module after the on-off time is reached through the RTC module of the PC module, so that the timing on-off of the PC module is realized, the on-off of the display module is controlled by the control chip of the display module through detecting the state of the PC module, and further the timing on-off of the interactive intelligent panel is realized, so that a related timing on-off circuit is not required to be additionally configured, an on-off interface is not required to be additionally configured, the timing setting can be completed on the operating system by using the clock module of the PC module, and the cost is saved; and the intelligent state is changed by detecting the state of the operating system, so that the design complexity of a logic program is reduced, and the development difficulty and the maintenance complexity are reduced. Furthermore, the control chip detects the three input/output ports of the fourth signal port through polling to conveniently monitor the state of the PC module in real time. When the PC control module is in a power-off state when the timing power-on is set, the control chip controls the power supply module to supply power to the PC control module, and when the PC module is not in the power-off state when the timing power-on is set, the control chip controls the power supply module to stop supplying power to the PC control module, so that power consumption can be saved.
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 practice, the 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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic block diagram of a system for turning on and off an interactive smart tablet according to an embodiment of the present application;
fig. 2 is a schematic block diagram of an interactive smart tablet timing power on/off system according to 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.
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 application. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the application, as detailed in the appended claims.
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 appropriate. 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 "when … …" 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.
The interactive intelligent tablet of the embodiment of the application can be an intelligent tablet, an all-in-one machine, an interactive tablet, a tablet computer, a display or an intelligent television and other equipment comprising a plurality of modules. The hardware part of the interactive intelligent tablet consists of a display module, a PC module and the like, and is supported by a special software system. The display module is used for controlling and displaying audio and video data, receiving display control operation of a user and sending the display control operation to the PC module for processing, and the PC module generates corresponding operation response according to the display control operation and sends the operation response to the display module for displaying.
The display module can comprise a display screen, a control chip, a power supply module, a memory and the like; the power supply module supplies power to the PC module and the display module. The display screen refers to a touch screen, a touch screen and a touch panel, and is an induction type liquid crystal display device, and can be in the forms of an infrared screen, a capacitive screen, an electromagnetic screen and/or the like. The control chip is used for receiving touch operation of a user on the display screen, generating touch information and transmitting the touch information to the PC module for calculation processing. The memory may include a program storage area and a data storage area, wherein the program storage area may store instructions for implementing a control chip, instructions for at least one function (such as a touch function, a sound playing function, an image playing function, etc.), instructions for implementing a system for turning on and off the display module, and the like.
The PC module can comprise a PC control module, an RTC module, a battery module and the like. And the PC control module processes the touch information transmitted by the display module to generate a corresponding touch response, and sends the touch response to the display screen for display through the display module. The PC module can run Linnux operating systems or windows operating systems and other operating systems. The RTC module is a clock module carried by the PC module and used for providing reliable time for an operating system operated by the PC control module. The battery module provides power for the RTC module. The PC module can also comprise a mainboard, a memory bank, a hard disk and a memory controller, wherein the mainboard is mainly used for bearing electronic components of the PC module and is used for plugging control cards of peripheral equipment of the PC module; the memory bank is used for assisting the work of the PC control module; the hard disk is mainly used for storing data of the intelligent tablet device, the storage controller is electrically connected with the hard disk, when the PC module receives a shutdown signal, the storage controller controls the hard disk to perform shutdown operation after data storage, damage to the PC module caused by power failure of the interactive intelligent tablet device is prevented, and the power failure protection function of the intelligent tablet device is achieved. The PC module can be externally connected with the interactive intelligent panel in a pluggable mode, can be internally arranged on the interactive intelligent panel and is integrated with the display module to form an interactive intelligent panel complete machine device.
The interactive intelligent panel has a timing switch function, and can be particularly applied to scenes such as teaching and meetings, for example, the interactive intelligent panel in a classroom is set to be started at 7 am, stopped at 7 pm and started at 7 am, so that a teacher can use the interactive intelligent panel to carry out class rapidly once going to class; and at 7 o' clock in the evening, the interactive intelligent tablet can be powered off at regular time, so that the situation that the classroom forgets manual power-off is prevented. Similarly, the interactive intelligent tablet computer of the conference room is started in the morning, the conference participants can be in a meeting once, and the interactive intelligent tablet computer is automatically and regularly turned off at night, so that the energy consumption is saved.
When a developer sets a timing power on/off function on an interactive intelligent panel, an independent clock circuit and a battery circuit for supplying power to the clock circuit when the clock circuit is powered off are usually additionally designed in a display module, a timing power on/off program is developed on the display module, and a timing power on/off software program is developed and displayed on a display screen of the interactive intelligent panel, so that a user sets timing power on/off time on a power on/off software program interface, and the clock circuit triggers the display module and the PC module to be turned on/off at regular time after the set time is reached. In this way, a clock circuit, a battery circuit and other related on-off circuits need to be additionally configured in the display module, a complex timing on-off program needs to be developed on the display module, and an on-off software interface program for setting on-off time needs to be developed on the display screen, so that the development period is long, and the design cost is high.
Based on the technical problem, the embodiment of the application discloses a timing startup and shutdown system of an interactive intelligent tablet. The following describes in detail a timing startup and shutdown system of an interactive smart tablet according to an embodiment of the present application with reference to fig. 1.
Referring to fig. 1, the timing power on/off system of the interactive smart tablet includes a display module 100 and a PC module 200; the display module 100 comprises a control chip 101 and a power supply module 102; the PC module 200 includes a PC control module 201, an RTC module 202, and a battery module 203.
The PC control module 201 is provided with a first signal end; the PC control module 201 is configured to be connected to the power supply module through the first signal terminal, so as to obtain the electric energy provided by the power supply module 102. The PC control module 201 is also provided with a second signal end; the operating system program run by the PC control module 201 is configured to receive the timing on/off time set by the user, and send a timing on/off time signal to the RTC module 202 through the second signal terminal. The PC control module 201 is further provided with a third signal end for controlling the PC module to be turned on or turned off; the RTC module 202 of the PC module 200 is configured to send a timing power on/off signal to the PC control module 201 through the third signal terminal after the timing power on/off time is reached; the PC control module 201 is configured to control the PC module 200 to be turned on and turned off at regular time according to the timing on/off signal received by the third signal terminal. The PC control module 201 is further provided with a fourth signal end for identifying the running state of the PC module; the PC control module 201 is configured to control and change the port state of the fourth signal terminal according to the running state of the PC module 200. The control chip 101 is configured to detect a port state of the fourth signal terminal, and control the display module 100 to turn on or off according to the port state of the fourth signal terminal, so as to implement a timing on/off operation of the interactive smart tablet.
The control chip 101 is a core module of the display module 100, and can control the on/off of the display module 100, control data transmission and processing of the display module 100, and the like. The control chip may be implemented in at least one hardware form of Digital Signal Processing (DSP), Field-Programmable gate Array (FPGA), and Programmable Logic Array (PLA). The control chip 101 may be connected to the display module 100, the PC control module 201, and the power supply module 102 using various interfaces and lines.
The power module 102 is an electric energy provider of a timing startup and shutdown system of the interactive intelligent tablet, and the whole system and even the whole interactive intelligent tablet depend on the power module 102 to supply power, so that respective work is realized.
The PC control module 201 is a core module of the PC module 200, and can control the power on/off of the PC module 200, receive data sent by the control chip 101, process the data, and feed the data back to the control chip 101, so as to realize interaction with the control chip 101. The PC control module 201 may also be implemented in at least one hardware form of a Digital Signal Processing (DSP), a Field-Programmable Gate Array (FPGA), and a Programmable Logic Array (PLA). The PC control module may run an operating system such as a Linnux operating system or a windows operating system to process data transmitted by the control chip 101.
The RTC module 202(Real-Time Clock) is a Clock module provided by the PC module, and is used for providing a reliable Time for an operating system operated by the PC control module. The battery module 203 is a device dedicated to providing power to the RTC module 202, and particularly, when the PC module is in a power-off state, the battery module continuously provides power to the RTC module to provide a reliable time for an operating system operated by the PC control module.
According to the embodiment of the application, the timing on-off time is set on the operating system of the PC module, the on-off signal is sent to the PC control module after the on-off time is reached through the RTC module of the PC module, the timing on-off of the PC module is realized, the on-off of the display module is controlled by the control chip of the display module through detecting the state of the PC module, and further the timing on-off of the interactive intelligent panel is realized, so that a related timing on-off circuit is not required to be additionally configured, an on-off interface is not required to be additionally configured, the timing setting can be completed on the operating system by using the clock module of the PC module, and the cost is saved; and the intelligent state is changed by detecting the state of the operating system, so that the design complexity of a logic program is reduced, and the development difficulty and the maintenance complexity are reduced.
In an exemplary embodiment of the present application, the RTC module 202 of the PC module 200 is configured to send, to the PC control module 201 through the third signal terminal, a power-on signal in a power-on/off signal, specifically a high-level signal or a low-level signal, after the timing power-on/off time is reached, where the high-level signal is represented by a symbol "1" that can be recognized by a device, and the low-level signal is represented by a symbol "0" that can be recognized by the device.
In an exemplary embodiment of the present application, the operating states of the PC module 200 include a power-on state and a power-off state; when the control chip 101 detects that the port state identifier of the fourth signal port is in a shutdown state, controlling the display module 100 to shut down; when detecting that the port state identifier of the fourth signal port is in a power-on state, the control chip 101 controls the display module 100 to power on. The control chip 101 of the embodiment of the application controls the display module 100 to start up by detecting the port state of the fourth signal port of the PC control module 201, so that a complex functional logic does not need to be designed, and the development difficulty is reduced.
Further, the operation states of the PC module 200 further include a sleep state and a sleep state. The fourth signal end consists of three input and output ports; wherein the operation state of the PC module 200 is identified by a combination of port states of the three input/output ports. The control chip 101 polls the port states of the three input/output ports, and obtains the operating state of the PC module according to the mapping relationship between the port states of the three input/output ports and the operating state of the PC module, thereby implementing real-time monitoring of the operating state of the PC module 200 in real time. Specifically, the three Input/Output ports may be other communication ports/interfaces such as I/O ports or General Purpose Input/Output (GPIO) interfaces. In the embodiment of the present application, the three input/output ports GPIO interfaces are, for example, a first input/output port GPIO _1, a second input/output port GPIO _2, and a third input/output port GPIO _3 in sequence. The mapping relationship between the port states of the three input/output ports and the running state of the PC module is as follows: when the levels of the first input/output port GPIO _1, the second input/output port GPIO _2, and the third input/output port GPIO _3 are sequentially 0, and 0, identifying that the PC module 200 is in an operating state; when the levels of the first input/output port GPIO _1, the second input/output port GPIO _2, and the third input/output port GPIO _3 are 1, and 0 in sequence, identifying that the PC module 200 is in a sleep state; when the levels of the first input/output port GPIO _1, the second input/output port GPIO _2, and the third input/output port GPIO _3 are 1, 0, and 0 in sequence, it is identified that the PC module 200 is in a sleep state; when the levels of the first input/output port GPIO _1, the second input/output port GPIO _2, and the third input/output port GPIO _3 are 1, and 1 in sequence, it is identified that the PC module 200 is in the power-off state, where "0" and "1" respectively represent a high level and a low level.
In an exemplary embodiment of the present application, the first signal terminal, the second signal terminal, and the third signal terminal of the PC control module 201 may be I/O ports or other communication ports/interfaces such as GPIO.
In an exemplary embodiment of the present application, the control chip 101 is further connected to the power module 102 through two ports, one of the two ports is used for obtaining the power provided by the power module 102, and the other port is used for sending a control signal for controlling the power supply state of the PC module 200 to start power supply and a control signal for closing power supply to the power module 102. Specifically, a relay is arranged in the power module 102, the power module 102 is connected with a first signal end of the PC control module 201 through the relay, and after the power module 102 receives a control signal for starting power supply sent by the control chip 101, the power module 102 controls contact attraction of the relay to connect the power module 102 and the PC control module 201 so as to supply power to the PC control module 201; after the power module 102 receives the control signal for turning off the power supply sent by the control chip 101, the power module 102 controls the contact of the relay to be disconnected, and disconnects the power module 102 from the PC control module 201, so as to disconnect the power supply to the PC control module 201. The power supply control signal is a high level signal and a low level signal represented by '0' and '1'; the control chip 101 can conveniently control the power supply condition of the PC module 200, thereby realizing the control of the power supply condition of the whole interactive intelligent tablet.
Referring to fig. 2, in an exemplary embodiment of the present application, the PC control module 201 is further provided with a fifth signal terminal; after the operating system program running in the PC control module 201 receives the timing startup time set by the user, after the operating system program running in the PC control module receives the timing startup time set by the user, a notification signal of timing startup is sent to the control chip through the fifth signal terminal; the control chip 101 receives and stores the notification signal, and when the PC module 200 is in the shutdown state, the control chip 101 sends a power supply start control signal to the power supply module 102 to control the power supply module 102 to supply power to the PC control module 201. When the notification signal is not received by the control chip 101 and the PC module 200 is in the power-off state, the control chip 101 sends a control signal for turning off the power supply to the power module 102, and controls the power module 102 to cut off the power supply to the PC control module 201. The shutdown state in the embodiment of the present application is a state in which the device is in low power consumption after the device is powered off at regular time. When the PC control module 201 is set to be powered on at regular time and the PC module 200 is in the power-off state, the control chip 101 controls the power supply module 102 to supply power to the PC control module 201, and when the PC control module 201 is not set to be powered on at regular time and is in the power-off state, the control chip 101 controls the power supply module 102 to shut off the power supply of the PC control module 201, so that power consumption can be saved.
In another exemplary embodiment of this application, when the PC module 200 is in the shutdown state, the control chip 101 sends the control signal for turning on the power supply to the power module 102, controls the power module 102 to the PC control module 201 normally supplies power, and then no matter whether set up the timing startup signal, the PC control module 201 is all in the normal power state, thereby the PC control module 201 need not to the control chip 101 sends the setting signal of timing startup and shutdown, has reduced the design of processing logic and the transmission of control signal. The shutdown state in the embodiment of the present application is a state in which the device is in low power consumption after the device is powered off at regular time.
In an exemplary embodiment of the present application, the control chip 101 is further connected to the PC control module 201 through the third signal terminal; when the timing on/off is not set, the control chip 101 sends an on/off signal to the PC control module 201 through the third signal terminal; the PC control module 201 is configured to control the PC module 200 to be turned on and off according to the on/off signal of the third signal terminal, so as to conveniently and quickly control the PC module 200 to be turned on and off through the control chip 101.
In an exemplary embodiment of the present application, the PC control module 201 is further provided with a sixth signal end and a seventh signal end, and the PC control module 201 is configured to receive, through the sixth signal end, touch information generated by the control chip 101 according to a touch operation of a user on a display screen, process the touch information to generate a corresponding touch response, send the touch response to the control chip 101 through the seventh signal end, and send the touch response to the display screen for display by the control chip 101.
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 an … …" does not exclude the presence of other identical elements in the 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 (8)

1. The utility model provides a dull and stereotyped timing switching on and shutting down system of mutual intelligence which characterized in that includes: a display module and a PC module; the display module comprises a control chip and a power supply module; the PC module comprises a PC control module, an RTC module and a battery module which is connected with the RTC module and supplies power to the RTC module;
the PC control module is provided with a first signal end; the PC control module is used for being connected with the power supply module through the first signal end so as to obtain electric energy provided by the power supply module;
the PC control module is also provided with a second signal end; the operating system program operated by the PC control module is used for receiving the timing on-off time set by a user and sending a timing on-off time signal to the RTC module through the second signal terminal;
the PC control module is also provided with a third signal end; the RTC module of the PC module is used for sending a timing startup and shutdown signal to the PC control module through the third signal terminal after the timing startup and shutdown time is reached; the PC control module is used for controlling the timing on-off of the PC module according to the timing on-off signal received by the third signal terminal;
the PC control module is also provided with a fourth signal end for identifying the running state of the PC module; the PC control module is used for controlling and changing the port state of the fourth signal end according to the running state of the PC module;
the control chip is used for detecting the port state of the fourth signal end and controlling the display module to be turned on and turned off according to the port state of the fourth signal end so as to realize the timing on and off of the interactive intelligent panel.
2. The system of claim 1, wherein the operating state of the PC module comprises a power-on state and a power-off state; when the control chip detects that the port state identifier of the fourth signal port is in a shutdown state, the display module is controlled to be shut down; and when the control chip detects that the port state identifier of the fourth signal port is in a starting state, the display module is controlled to start.
3. The system of claim 2, wherein the fourth signal terminal is composed of three input/output ports; and the control chip polls the port states of the three input and output ports and obtains the running state of the PC module according to the mapping relation between the port states of the three input and output ports and the running state of the PC module.
4. The system for timing startup and shutdown of an interactive smart tablet according to claim 1, wherein the PC control module is further provided with a fifth signal terminal;
after an operating system program operated by the PC control module receives the timing startup time set by a user, a notification signal of timing startup is sent to the control chip through the fifth signal terminal;
the control chip receives and stores the notification signal, and when the PC module is in a power-off state, the control chip sends a power supply starting control signal to the power supply module so as to control the power supply module to supply power to the PC control module.
5. The system of claim 4, wherein when the control chip does not receive the notification signal and the PC module is in a power-off state, the control chip sends a control signal for turning off power supply to the power module to control the power module to turn off power supply to the PC control module.
6. The system of claim 1, wherein when the PC module is in a power-off state, the control chip sends a power-on control signal to the power module to control the power module to supply power to the PC control module.
7. The system of any one of claims 4 to 6, wherein the control chip is connected to the power module to send a control signal for turning on or off power supply to the power module;
a relay is arranged in the power supply module, and the power supply module is connected with a first signal end of the PC control module through the relay; after the power supply module receives a control signal for starting power supply sent by the control chip, the power supply module controls the contact of the relay to be attracted, and the connection between the power supply module and the PC control module is switched on so as to supply power to the PC control module; after the power supply module receives a control signal for closing power supply sent by the control chip, the power supply module controls the contact of the relay to be disconnected, and the power supply module is disconnected with the PC control module so as to disconnect power supply to the PC control module.
8. The system for timing startup and shutdown of an interactive smart tablet according to claim 1, wherein the control chip is further connected with the PC control module through the third signal terminal; when the timing on-off is not set, the control chip sends an on-off signal to the PC control module through the third signal terminal; and the PC control module is used for controlling the PC module to be turned on and turned off according to the on-off signal received by the third signal terminal.
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