CN111190371B - Power supply control system, method and storage medium of reading kiosk - Google Patents
Power supply control system, method and storage medium of reading kiosk Download PDFInfo
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- CN111190371B CN111190371B CN202010025919.1A CN202010025919A CN111190371B CN 111190371 B CN111190371 B CN 111190371B CN 202010025919 A CN202010025919 A CN 202010025919A CN 111190371 B CN111190371 B CN 111190371B
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0423—Input/output
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/25—Pc structure of the system
- G05B2219/25257—Microcontroller
Abstract
The embodiment of the application discloses a power supply control method and device of a reading kiosk, electronic equipment and a storage medium. According to the technical scheme, the central processing board is respectively in signal connection with the android system board, the power supply control board and the timer, and the power supply control board is informed of disconnecting the power supply of the peripheral equipment of the reading kiosk at the set time point according to the power-off informing signal of the android system board. And after the timer finishes the timing of the power-off period, sending a starting-up notice to the central processing board, so that the central processing board sends a starting-up signal to the power control board according to the starting-up notice to provide power for the external equipment of the reading kiosk. By adopting the technical means, the power supply control of the related equipment of the reading kiosk can be realized, and further the timing on-off of the reading kiosk can be realized, so that human random errors and complicated manual operation are avoided, and the operation time of the reading kiosk is effectively controlled.
Description
Technical Field
The embodiment of the application relates to the technical field of power control, in particular to a power control system, a power control method and a storage medium of a reading kiosk.
Background
At present, as society develops, the mental needs of people are increasing. In order to improve the life quality of urban residents and enrich the mental demands of people, reading kiosks are arranged in all areas of a city. The reading pavilion generally has the functions of reading, practicing, speech training and the like, and can guide people to participate in reading, so that people can feel calm and feel relieved, return to the heart and freely express the heart sound.
In general, when the reading stand is used, external devices such as a lighting system, an air conditioning system, a display system and a disinfection system in the reading stand are normally opened for the convenience of users to use at any time. Therefore, the user can use the related external equipment immediately after entering the reading kiosk without self-starting or waiting for the system to start, and the use experience of the user is improved. However, when the reading kiosk is used, the worker needs to manually turn on or off the reading kiosk every day, the work is complicated, electric energy is wasted due to forgetting to turn off the reading kiosk due to negligence, the operation cost of the reading kiosk is increased, and unnecessary energy waste is caused.
Disclosure of Invention
The embodiment of the application provides a power control system, a power control method and a storage medium for a reading kiosk, which can control power of relevant external equipment of the reading kiosk, avoid artificial random errors and complicated manual operation, and effectively control the operation time of the reading kiosk.
In a first aspect, an embodiment of the present application provides a power control system for a reading kiosk, including: an android system board, a central processing board, a timer and a power control board,
the android system board is in signal connection with the central processing board and is used for sending a first power-off notification signal to the central processing board according to a preset time parameter, wherein the time parameter comprises the starting time and the shutdown time of the reading kiosk;
the central processing board is used for accessing commercial power and providing power for the android system board and the power control board;
the central processing board is in signal connection with the timer and is used for starting the timer according to the first power-off notification signal, and the time of the timer is synchronous with the time parameter; the central processing board is also in signal connection with the power supply control board and is used for sending a second power-off notification signal to the power supply control board according to the first power-off notification signal and disconnecting the power supplies of the android system board and the power supply control board after the delay time is set;
the power supply control board is used for accessing commercial power to provide power for the external equipment of the reading kiosk and disconnecting the power of the external equipment of the reading kiosk according to the second power-off notification signal;
the timer is used for timing a power-off period and informing the central processing board to conduct the power supplies of the android system board and the power supply control board according to the time parameter at the set starting time, so that the power supply control board conducts the power supply of peripheral equipment of the reading kiosk.
Further, the device also comprises a time setting unit;
the time setting unit is in signal connection with the android system board and is used for setting the time parameters and sending the time parameters to the android system board.
Further, the device also comprises a data storage unit:
the data storage unit is in signal connection with the android system board and comprises a register and a hard disk, the register is used for storing the time parameter, receiving the first power-off notification signal sent by the android system board and storing running data of the android system board according to the first power-off notification signal; the hard disk is used for performing data reading and writing operations, receiving the first power-off notification signal sent by the android system board in real time, and stopping the data reading and writing operations in response to the first power-off notification signal.
Furthermore, the central processing board is in signal connection with the android system board through an RS232 serial port, and the central processing board is in signal connection with the power control board through an IO interface.
Further, the central processing board comprises a power supply circuit, and the power supply circuit is used for switching on or switching off the direct current power supplies of the android system board and the power supply control board according to the control level of the central processing board;
the power supply circuit comprises a first triode and a first MOS (metal oxide semiconductor) tube, the base of the first triode is in butt joint with the input end of a control level, the collector of the first triode is in butt joint with the output end of a direct-current power supply, the emitter of the first triode is grounded, the gate pole of the first MOS tube is in butt joint with the output end of the direct-current power supply, the source of the first MOS tube is in butt joint with the output end of the direct-current power supply, and the drain of the first MOS tube is in butt joint with the android system board and the power input end of the power control board.
Further, the central processing board further includes an IO logic control circuit, and the IO logic control circuit is configured to output the second power-off notification signal to the power control board;
IO logic control circuit includes second triode, second MOS pipe and resistance, the base of second triode docks logic control signal's input, the collecting electrode butt joint DC power supply's of second triode output, the projecting pole ground connection of second triode, the gate pole butt joint DC power supply's of second MOS pipe output, the source butt joint DC power supply's of second MOS pipe output, the drain electrode butt joint of second MOS pipe the first end of resistance, the second end butt joint of resistance the second outage notice signal input part of power control board, resistance is used for providing circuit output impedance.
In a second aspect, an embodiment of the present application provides a power control method for a reading kiosk, applied to a power control system of the reading kiosk according to the first aspect of the present application, including:
the android system board sends a first power-off notification signal to the central processing board according to a preset time parameter, wherein the time parameter comprises the starting time and the shutdown time of the reading kiosk;
the central processing board starts a timer according to the first power-off notification signal to perform power-off period timing, sends a second power-off notification signal to a power control board according to the first power-off notification signal, disconnects the power of the android system board and the power control board after setting delay time, and synchronizes the time of the timer with the time parameter;
and the power supply control board disconnects the power supply of the external equipment of the reading-alowing kiosk according to the second power-off notification signal.
Further, after the power control board turns off the power of the external device of the reading stand according to the second power-off notification signal, the method further includes:
the timer sends a first starting-up signal to the central processing board at the set starting-up time according to the time parameter;
the central processing board conducts the power supplies of the android system board and the power supply control board according to the first starting signal;
the android system board verifies whether the boot time is accurate or not according to the time parameter, and sends confirmation information to the central processing board based on the result of the verification accuracy;
the central processing board sends a second starting signal to the power control board according to the confirmation information;
and the power control board switches on the power supply of the peripheral equipment of the reading kiosk according to the second starting signal.
Further, the android system board checks whether the boot time is accurate according to the time parameter, including:
and the android system board is connected with the network to obtain the current time, the current time is compared with the starting time in the time parameter, and whether the starting time is accurate or not is determined according to the comparison result.
In a third aspect, embodiments of the present application provide a storage medium containing computer-executable instructions that, when executed by a computer processor, perform a power control method for a speakerphone as described in the second aspect.
The embodiment of the application respectively with tall and erect system board, power control board and timer signal connection through central processing board to according to the outage notice signal of tall and erect system board inform the power control board to break off the power of reading pavilion peripheral equipment at the point of time of setting for power. And after the timer finishes the timing of the power-off period, sending a starting-up notice to the central processing board, so that the central processing board sends a starting-up signal to the power control board according to the starting-up notice to provide power for the external equipment of the reading kiosk. By adopting the technical means, the power supply control of the related equipment of the reading kiosk can be realized, and further the timing on-off of the reading kiosk can be realized, so that the human random errors and complicated manual operation can be avoided, and the operation time of the reading kiosk can be effectively controlled.
Drawings
Fig. 1 is a schematic structural diagram of a power control system of a reading kiosk according to an embodiment of the present disclosure;
fig. 2 is a power-off control flow diagram of a power control method of a reading kiosk according to an embodiment of the present application;
fig. 3 is a power-on control flow diagram of a power control method of a reading kiosk according to an embodiment of the present application;
fig. 4 is a schematic view of a partial structure of a cpu board in the first embodiment of the present application;
FIG. 5 is a schematic diagram of a 12V power supply circuit according to a first embodiment of the present application;
fig. 6 is a schematic diagram of an IO logic control circuit in the first embodiment of the present application.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, specific embodiments of the present application will be described in detail with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be further noted that, for the convenience of description, only some but not all of the relevant portions of the present application are shown in the drawings. Before discussing exemplary embodiments in more detail, it should be noted that some exemplary embodiments are described as processes or methods depicted as flowcharts. Although a flowchart may describe the operations (or steps) as a sequential process, many of the operations can be performed in parallel, concurrently or simultaneously. In addition, the order of the operations may be re-arranged. The process may be terminated when its operations are completed, but may have additional steps not included in the figure. The processes may correspond to methods, functions, procedures, subroutines, and the like.
The power control system and the power control method for the reading kiosk aim at controlling the on-off of a timing power supply of the relevant external equipment of the reading kiosk so as to achieve the on-off of the reading kiosk at regular time, avoid artificial random errors and complicated manual operation, and effectively control the operation time of the reading kiosk. Compared with the existing reading kiosk, the reading kiosk is not provided with a better power control system in the operation process, and related equipment inside the reading kiosk is arranged in a normally open state for the user to use in order to facilitate the user to use the reading kiosk at any time. The power supply control system and the power supply control method of the reading kiosk in the embodiment of the application are provided on the basis of the fact that the reading kiosk needs to be turned on and turned off every day by workers, the work is monotonous and complicated, and one or more reading kiosks are often forgotten carelessly, so that unnecessary electric energy waste is caused.
The first embodiment is as follows:
fig. 1 shows a power control system of a reading kiosk according to a first embodiment of the present application, and referring to fig. 1, the power control system includes: the android system board is in signal connection with the central processing board and used for sending a first power-off notification signal to the central processing board according to preset time parameters, and the time parameters comprise the starting time and the shutdown time of the reading kiosk; the central processing board is used for accessing commercial power and providing power for the android system board and the power control board; the central processing board is in signal connection with the timer and is used for starting the timer according to the first power-off notification signal, and the time of the timer is synchronous with the time parameter; the central processing board is also in signal connection with the power supply control board and is used for sending a second power-off notification signal to the power supply control board according to the first power-off notification signal and disconnecting the power supplies of the android system board and the power supply control board after the delay time is set; the power supply control board is used for accessing commercial power to provide power for the external equipment of the reading kiosk and disconnecting the power of the external equipment of the reading kiosk according to the second power-off notification signal; the timer is used for timing a power-off period and informing the central processing board to conduct the power supplies of the android system board and the power supply control board according to the time parameter at the set starting time, so that the power supply control board conducts the power supply of peripheral equipment of the reading kiosk.
The android system board is used as a control board for data interaction with a user, and is used for collecting time parameters (namely starting time and shutdown time of the reading kiosk) set by the user and carrying out startup and shutdown setting on the reading kiosk according to the time parameters. When the time parameter is set, the user can operate the power on/off setting interface in a wired or wireless mode through the B/S or C/S architecture mode to set the time parameter. The off period of the time parameter may be set to 24: 00-7: 00, namely setting the reading pavilion in a position of 24% in the morning: 00 automatic shutdown, and automatic startup at 7:00 in the morning. Since no user generally uses the reading kiosk in this time period, the power consumption of the reading kiosk-related devices in this time period can be saved by setting this time parameter to control the turning on and off of the reading kiosk. The user can set time parameters through an operation interface of the remote management platform, and further send the time parameters to one end of the reading kiosk, so that the timing startup and shutdown setting of the reading kiosk is realized.
Optionally, the power control system of the embodiment of the application further includes a time setting unit, the time setting unit is in signal connection with the android system board, and is used for setting the time parameter and sending the time parameter to the android system board. The user can set time parameters through the time setting unit, set starting and shutdown time of the reading kiosk, send the time parameters to the android system board, and the android system board extracts the time parameters to further perform startup and shutdown setting of the power system of the reading kiosk.
Furthermore, the power control system of the embodiment of the application further comprises a data storage unit, the data storage unit is in signal connection with the android system board, the data storage unit comprises a register and a hard disk, the register is used for storing the time parameter, receiving the first power-off notification signal sent by the android system board, and storing the running data of the android system board according to the first power-off notification signal; the hard disk is used for performing data reading and writing operations, receiving the first power-off notification signal sent by the android system board in real time, and stopping the data reading and writing operations in response to the first power-off notification signal. The data storage unit is used for storing the interaction data and the time parameters of the user, so that the android system board can be conveniently extracted and used at any time.
The central processing board is used as a core control board of the power control system of the whole reading kiosk, and the central processing board further performs IO logic control on the power control board through a power on/off notification signal sent by the android system board or the timer based on the time parameter so as to realize the power on/off control of the reading kiosk. The central processing board is in signal connection with the android system board through the RS232 serial port, and receives a power-off notification signal sent by the android system board in real time so as to trigger power-off control of the reading kiosk. The central processing board is further in signal connection with the timer to send the time parameters of the android system board to the timer, so that the time of the timer and the time of the android system board are synchronized, the timer is triggered to conduct power-off period timing according to a power-off notification signal sent to the central processing board by the android system board subsequently, and a starting signal is sent to the central processing board to conduct starting notification when the power-off period is over (namely when the set starting time is reached). In addition, the central processing board also provides a 12V direct-current power supply for the android system board and the power control board by connecting with a mains supply. The android system board also controls the power supply of the android system board and the power supply control board according to the power-off notification signal and the power-on notification signal, so that the electric energy consumption is further saved.
The power control board is mainly used for controlling power switches of external equipment such as a lamplight system, an air conditioning system, a display system and a disinfection system of the reading kiosk, so that the on-off control of the external equipment related to the reading kiosk is realized. The power control board supplies power to the external equipment of the reading stand by being connected with commercial power so as to enable the external equipment to operate. The central processing board is in signal connection with the power supply control board through an IO interface, and after the power on/off signal of the central processing board is received, the power supply control board finally realizes the power on/off control of the reading kiosk through the power supply of the on/off external equipment.
Specifically, the embodiment of the present application further provides a power control method of the reading kiosk, where the power control method of the reading kiosk provided in this embodiment may be executed by the power control system of the reading kiosk, the power control system of the reading kiosk may be implemented in a software and/or hardware manner, and the power control system of the reading kiosk may be formed by two or more physical entities.
The following description will be given taking the power control system of the reading kiosk as an example of a device for executing the power control method of the reading kiosk. When power control is performed on the reading kiosk, the reading kiosk mainly includes two parts, namely power-off control and power-on control, where, referring to fig. 2, the power-off control of the power control method of the reading kiosk specifically includes:
s110, the android system board sends a first power-off notification signal to a central processing board according to preset time parameters, wherein the time parameters comprise the starting time and the shutdown time of the reading kiosk;
s120, the central processing board starts a timer according to the first power-off notification signal to perform power-off period timing, sends a second power-off notification signal to a power control board according to the first power-off notification signal, disconnects power supplies of the android system board and the power control board after a delay time is set, and synchronizes the time of the timer with the time parameter;
and S130, the power supply control board cuts off the power supply of the external equipment of the reading stand according to the second power-off notification signal.
Specifically, according to the time parameter, when the preset power-off time is reached, the android system board sends a notification signal to the central processing board and the data storage unit, and the notification signal is defined as a first power-off notification signal. According to the received first power-off notification signal, the register is notified to do data storage work in time, at the moment, the hard disk stops reading and writing work, and the hard disk is prevented from being lost and damaged due to sudden power failure. On the other hand, after the central processing board receives the first power-off notification signal through the RS232 serial port, the central processing board triggers a timer connected to the central processing board to start timing a power-off period, and since the time in the timer is synchronized with the time of the time setting unit, the timer is the power-on time corresponding to the time parameter when the power-off period is over. And after receiving the first power-off notification signal, the central processing board immediately returns a response to the android system board, and also immediately sends a notification signal to the power control board through the IO interface, and the notification signal is defined as a second power-off notification signal. And after the set time delay, the central processing board controls to disconnect the 12V direct current power supply of the android system board and the power supply control board. And in the time delay, the power supply control board controls to cut off the power supply of the external equipment according to the received second power-off notification signal. Then, other assemblies and modules in the central processing board are also powered off, only the single chip microcomputer is left to be in a dormant state, the required current is less than 1mA, and the whole power control system is subjected to power-off control, so that the power consumption of external equipment is saved, and meanwhile, the power consumption of each control board in the system is also saved.
On the other hand, referring to fig. 3, the power-on control of the power control method of the reading kiosk specifically includes:
s140, the timer sends a first starting signal to the central processing board at the set starting time according to the time parameter;
s150, the central processing board conducts power supplies of the android system board and the power supply control board according to the first starting signal;
s160, the android system board verifies whether the starting-up time is accurate according to the time parameter, and sends confirmation information to the central processing board based on the verification result;
s170, the central processing board sends a second starting signal to the power control board according to the confirmation information;
and S180, the power control board switches on the power supply of the peripheral equipment of the reading kiosk according to the second starting signal.
According to the preset time parameter, when the startup time is reached, firstly, the timer sends out a wakeup trigger signal, the wakeup signal is defined as a first startup signal, and the central processing board is awakened through the first startup signal to recover the work of the central processing board. After the central processing board is awakened, the power supply to the android system board and the power control board can be recovered simultaneously, so that the android system board and the power control board are in working states. In this case, the power control board does not directly turn on the power of the external device, but turns on or off the power of the external device according to the control signal of the central processing board. After the android system board is started, the current time can be acquired through WIFI or wired network networking, and whether the current starting time is correct or not is verified. And after the startup time is determined to be correct, the android system board is normally started and informs the central processing board through the serial port. After the central processing board receives the confirmation information of the android system board, the central processing board sends a starting signal to inform the power control board through the IO interface. The power-on signal is defined as a second power-on signal, and the power control board recovers power supply to the external device according to the received second power-on signal so as to complete the power-on starting of the whole reading kiosk.
Further, referring to fig. 4, a schematic diagram of a partial structure of the single chip microcomputer of the central processing board according to the embodiment of the present application is provided, and the central processing board further includes a power supply circuit, where the power supply circuit is configured to turn on or off the 12V dc power supply of the android system board and the power control board according to the control level of the central processing board.
Specifically, referring to fig. 5, the power supply circuit includes a first triode (Q5002) and a first MOS transistor (U5000), the base of the first triode is connected to the input end of the control level, the collector of the first triode is connected to the output end of the dc power supply, the emitter of the first triode is grounded, the gate of the first MOS transistor is connected to the output end of the dc power supply, the source of the first MOS transistor is connected to the output end of the dc power supply, and the drain of the first MOS transistor is connected to the android system board and the power input end of the power control board. In fig. 5, when the control level MAIN _ ON signal output by the central processing board is at a high level, the emitter and the collector of the first transistor are turned ON, the gate of the first MOS transistor is at a low level, and the first MOS transistor is turned ON by the potential difference generated between the output terminal of the dc power supply and the gate of the first MOS transistor. The communication between the 12_ M network and the 12V network is realized, and the external power supply of the central processing board is completed.
In addition, the central processing board further comprises an IO logic control circuit, and the IO logic control circuit is used for outputting the second power-off notification signal to the power control board. Referring to fig. 6, the IO logic control circuit includes a second transistor (Q5001), a second MOS transistor (Q20) and a resistor (R5002), a base of the second transistor is connected to an input terminal of the logic control signal, a collector of the second transistor is connected to an output terminal of the dc power supply, an emitter of the second transistor is grounded, a gate of the second MOS transistor is connected to an output terminal of the dc power supply, a source of the second MOS transistor is connected to an output terminal of the dc power supply, a drain of the second MOS transistor is connected to a first end of the resistor, a second end of the resistor is connected to a second power-off notification signal input terminal of the power control board, and the resistor is used for providing a circuit output impedance. When the central processing board performs IO logic control, an IO logic signal (high level) of 12V _ OUT _ EN is output, at the moment, an emitter and a collector of the second triode are conducted, a gate pole of the second MOS tube is low level, and the second MOS tube is conducted through potential difference generated by an output end of the direct-current power supply and the gate pole of the second MOS tube. And the communication between the 12_ M network and the 12V network is realized. And because a 10K ohm resistor is arranged between the second MOS tube and the second power-off notification signal input end of the power control panel, 10K ohm output impedance is provided for circuit output, so that only weak current output is provided in the circuit, and a logic state signal is provided, thereby realizing IO logic control of the central processing panel on the power control panel.
And the central processing board is in signal connection with the android system board, the power control board and the timer respectively, and informs the power control board to disconnect the power supply of the peripheral equipment of the reading kiosk at a set time point according to the power-off informing signal of the android system board. And after the timer finishes the timing of the power-off period, sending a starting-up notice to the central processing board, so that the central processing board sends a starting-up signal to the power control board according to the starting-up notice to provide power for the external equipment of the reading kiosk. By adopting the technical means, the power supply control of the related equipment of the reading kiosk can be realized, and further the timing on-off of the reading kiosk can be realized, so that human random errors and complicated manual operation can be avoided, and the operation time of the reading kiosk can be effectively controlled.
Example two:
embodiments of the present application also provide a storage medium containing computer-executable instructions, which when executed by a computer processor, perform a method for power control of a speakerphone, the method for power control of a speakerphone comprising: the android system board sends a first power-off notification signal to the central processing board according to a preset time parameter, wherein the time parameter comprises the starting time and the shutdown time of the reading kiosk; the central processing board starts a timer according to the first power-off notification signal to perform power-off period timing, sends a second power-off notification signal to a power control board according to the first power-off notification signal, disconnects the power of the android system board and the power control board after setting delay time, and synchronizes the time of the timer with the time parameter; and the power supply control board disconnects the power supply of the external equipment of the reading-alowing kiosk according to the second power-off notification signal.
Storage medium-any of various types of memory devices or storage devices. The term "storage medium" is intended to include: mounting media such as CD-ROM, floppy disk, or tape devices; computer system memory or random access memory such as DRAM, DDR RAM, SRAM, EDO RAM, Lanbas (Rambus) RAM, etc.; non-volatile memory such as flash memory, magnetic media (e.g., hard disk or optical storage); registers or other similar types of memory elements, etc. The storage medium may also include other types of memory or combinations thereof. In addition, the storage medium may be located in a first computer system in which the program is executed, or may be located in a different second computer system connected to the first computer system through a network (such as the internet). The second computer system may provide program instructions to the first computer for execution. The term "storage medium" may include two or more storage media residing in different locations, e.g., in different computer systems connected by a network. The storage medium may store program instructions (e.g., embodied as a computer program) that are executable by one or more processors.
Of course, the storage medium provided in the embodiments of the present application contains computer-executable instructions, and the computer-executable instructions are not limited to the power control method of the speakerphone as described above, and may also perform related operations in the power control method of the speakerphone provided in any embodiment of the present application.
The power control system and the storage medium of the speakerphone provided in the above embodiments may execute the power control method of the speakerphone provided in any embodiment of the application, and refer to the power control method of the speakerphone provided in any embodiment of the application without detailed technical details described in the above embodiments.
The foregoing is considered as illustrative of the preferred embodiments of the invention and the technical principles employed. The present application is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present application has been described in more detail with reference to the above embodiments, the present application is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present application, and the scope of the present application is determined by the scope of the claims.
Claims (9)
1. A power control system for a reading kiosk, comprising: an android system board, a central processing board, a timer and a power control board,
the android system board is in signal connection with the central processing board and is used for sending a first power-off notification signal to the central processing board according to a preset time parameter, wherein the time parameter comprises the starting time and the shutdown time of the reading kiosk;
the central processing board is used for accessing commercial power and providing power for the android system board and the power control board;
the central processing board is in signal connection with the timer and is used for starting the timer according to the first power-off notification signal, and the time of the timer is synchronous with the time parameter; the central processing board is also in signal connection with the power supply control board and is used for sending a second power-off notification signal to the power supply control board according to the first power-off notification signal and disconnecting the power supplies of the android system board and the power supply control board after the delay time is set;
the power supply control board is used for accessing commercial power to provide power for the external equipment of the reading kiosk and disconnecting the power of the external equipment of the reading kiosk according to the second power-off notification signal;
the timer is used for timing a power-off period and informing the central processing board to conduct the power supplies of the android system board and the power supply control board according to the time parameter at the set starting time so that the power supply control board can conduct the power supply of peripheral equipment of the reading kiosk;
the data storage unit is in signal connection with the android system board and comprises a register and a hard disk, the register is used for storing the time parameter, receiving the first power-off notification signal sent by the android system board and storing running data of the android system board according to the first power-off notification signal; the hard disk is used for performing data reading and writing operations, receiving the first power-off notification signal sent by the android system board in real time, and stopping the data reading and writing operations in response to the first power-off notification signal.
2. The power control system of a speakerphone of claim 1 further comprising a time setting unit;
the time setting unit is in signal connection with the android system board and is used for setting the time parameters and sending the time parameters to the android system board.
3. The power control system of the speakerphone of claim 1, wherein the central processing board is in signal connection with the android system board through an RS232 serial port, and the central processing board is in signal connection with the power control board through an IO interface.
4. The power control system of the speakerphone of any one of claims 1 to 3, wherein the central processing board comprises a power supply circuit, and the power supply circuit is configured to turn on or off the DC power supplies of the android system board and the power control board according to a control level of the central processing board;
the power supply circuit comprises a first triode and a first MOS (metal oxide semiconductor) tube, the base of the first triode is in butt joint with the input end of a control level, the collector of the first triode is in butt joint with the output end of a direct-current power supply, the emitter of the first triode is grounded, the gate pole of the first MOS tube is in butt joint with the output end of the direct-current power supply, the source of the first MOS tube is in butt joint with the output end of the direct-current power supply, and the drain of the first MOS tube is in butt joint with the android system board and the power input end of the power control board.
5. The power control system of a speakerphone of any one of claims 1 to 3, wherein the central processing board further comprises an IO logic control circuit for outputting the second power-off notification signal to the power control board;
IO logic control circuit includes second triode, second MOS pipe and resistance, the base of second triode docks logic control signal's input, the collecting electrode butt joint DC power supply's of second triode output, the projecting pole ground connection of second triode, the gate pole butt joint DC power supply's of second MOS pipe output, the source butt joint DC power supply's of second MOS pipe output, the drain electrode butt joint of second MOS pipe the first end of resistance, the second end butt joint of resistance the second outage notice signal input part of power control board, resistance is used for providing circuit output impedance.
6. A power control method of a reading kiosk, applied to the power control system of the reading kiosk according to any one of claims 1-5, comprising:
the android system board sends a first power-off notification signal to the central processing board and the data storage unit according to a preset time parameter, wherein the time parameter comprises the starting time and the shutdown time of the reading kiosk, and the data storage unit is used for storing the time parameter;
the central processing board starts a timer according to the first power-off notification signal to perform power-off period timing, sends a second power-off notification signal to a power control board according to the first power-off notification signal, disconnects the power of the android system board and the power control board after setting delay time, and synchronizes the time of the timer with the time parameter; the data storage unit stores the running data of the android system board according to the first power-off notification signal and stops data reading and writing operations;
and the power supply control board disconnects the power supply of the external equipment of the reading-alowing kiosk according to the second power-off notification signal.
7. The power control method of claim 6, further comprising, after the power control board turns off power to devices external to the speakerphone according to the second power-off notification signal:
the timer sends a first starting-up signal to the central processing board at the set starting-up time according to the time parameter;
the central processing board conducts the power supplies of the android system board and the power supply control board according to the first starting signal;
the android system board verifies whether the boot time is accurate or not according to the time parameter, and sends confirmation information to the central processing board based on the result of the verification accuracy;
the central processing board sends a second starting signal to the power control board according to the confirmation information;
and the power control board switches on the power supply of the peripheral equipment of the reading kiosk according to the second starting signal.
8. The power control method according to claim 7, wherein the android system board checks whether the boot time is accurate according to the time parameter, and the checking includes:
and the android system board is connected with the network to obtain the current time, the current time is compared with the starting time in the time parameter, and whether the starting time is accurate or not is determined according to the comparison result.
9. A storage medium containing computer-executable instructions for performing the power control method of a speakerphone of any of claims 6-8 when executed by a computer processor.
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| CN101001339A (en) * | 2006-01-11 | 2007-07-18 | 中华映管股份有限公司 | Control method of on-off and waiting of projection TV set |
| CN101064804A (en) * | 2006-04-29 | 2007-10-31 | 深圳Tcl新技术有限公司 | Television set having auto-switch function |
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Denomination of invention: A power control system, method, and storage medium for a reading booth Effective date of registration: 20230627 Granted publication date: 20210202 Pledgee: Bank of China Limited by Share Ltd. Guangzhou Tianhe branch Pledgor: GUANGZHOU YOUGU INFORMATION TECHNOLOGY Co.,Ltd. Registration number: Y2023980046086 |