CN112947140A - Low-power-consumption digital photo frame system - Google Patents
Low-power-consumption digital photo frame system Download PDFInfo
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- 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
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- 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
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- G—PHYSICS
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- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
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Abstract
The invention discloses a low-power consumption digital photo frame system, which relates to the technical field of power consumption management of digital photo frames and consumer electronics products; the power consumption problem of the device in the shutdown state is solved; specifically include user input module, human response module, clock module, electronic switch module, main chip system module and microcontroller, user input module includes board-mounted button and remote controller, and main button definition has upwards, downwards, left, right, confirms, returns commonly used button such as power key, and the power key effect is the switch on and off, and other buttons are the use of operation digital photo frame, and board-mounted button installs convenient closely operation on the machine. When the system is shut down, the microcontroller shuts down the main power supply, and the microcontroller enters the deep sleep state, so that the power consumption of the microcontroller in the deep sleep state can reach microampere level or even lower energy consumption, the shutdown power consumption of a digital photo frame product is greatly reduced, and unnecessary energy waste is reduced.
Description
Technical Field
The invention relates to the technical field of power consumption management of digital photo frames and consumer electronics products, in particular to a low-power-consumption digital photo frame system.
Background
Along with the development of technology, more and more electronic digital products enter thousands of households, and provide colorful life for people, some countries have strict requirements on power consumption of the digital products in a shutdown state at present, the international universal power consumption test standard in the present stage is IEC62301:2011, the requirements of the standard on standby power consumption and shutdown power consumption are below 0.5W, the shutdown power consumption of a main control chip of some digital products is generally higher due to process and architecture reasons, and the power consumption requirements of IEC62301:2011 cannot be met, in addition, in an actual use scene, a digital photo frame can be turned on and turned off through on-board keys, a remote controller, a touch screen and the like, but how to simultaneously support various ways of turning on and off the machine, the mode which is more convenient and has good experience is an important factor for user development, and the turning on of the present digital products can be basically awakened only by setting keys, the functional requirements of a user for timing starting, alarm clock starting and the like cannot be met.
Through search, the Chinese patent with the application number of CN105390153B discloses a low-power consumption digital recorder, which comprises a power supply unit for supplying power; a microphone electrically connected to the power supply unit through a first channel, converting an inputted sound into an audio signal and outputting the audio signal; an amplifier electrically connected to the power supply unit through a first channel, and amplifying and outputting an audio signal output from the microphone; a microcomputer for converting the audio signal amplified by the amplifier into a digital signal and outputting the digital signal; a memory storing the digital signal converted in the microcomputer; and the switch unit is electrically connected with the power supply unit through a first channel and is electrically connected with the microcomputer and the memory. The multimedia device management system in the above patent has the following disadvantages: when the power-on is awakened, the intelligent power-on switch is operated intelligently, various modes and power-on and power-off can not be supported, and a mode which is more convenient and has good experience can not be provided for a user.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a low-power-consumption digital photo frame system.
In order to achieve the purpose, the invention adopts the following technical scheme:
a low-power-consumption digital photo frame system comprises a user input module, a human body induction module, a clock module, an electronic switch module, a main chip system module and a microcontroller, wherein the user input module comprises onboard keys and a remote controller, the main keys are defined to have common keys such as upward keys, downward keys, leftward keys, rightward keys, confirmation keys, return keys and power keys, the power keys are used for turning on and off, and other keys are used for operating a digital photo frame.
Preferably: the onboard keys are mounted on the machine to facilitate close-range operation, and the remote controller is used for remotely operating the digital photo frame and is independent of the digital photo frame.
Preferably: the human body induction module can detect whether a human body moves nearby, the use scene is that the digital photo frame can play some specific contents when detecting that a person approaches, the digital photo frame can automatically enter a standby state or a power-off state after the person leaves for a period of time, and the digital photo frame can be automatically started when the power adapter is switched off in a state of keeping insertion or a person approaches in the standby state.
Preferably: the clock module provides accurate time for the digital photo frame and functions of a timer and an alarm clock, and the clock chip and the main chip are connected through the IIC interface to enable the main chip to read time and set time; the clock chip is connected with the microcontroller, the set timer and the clock chip can output low level signals after the alarm clock reaches the time, and the level signals can be captured by the microcontroller and then the main power supply digital photo frame is started.
Preferably: the electronic switch part of the electronic switch module consists of an MOSFET and a plurality of resistance-capacitance devices, is used as the switch function of a main power supply, is controlled to be turned on or turned off by a microcontroller, and the main chip system module is used as a functional main body of the digital photo frame.
Preferably: the microcontroller is responsible for power management, acquisition of user key information, human body movement information and clock chip interrupt signals and communication with the main chip.
Preferably: the onboard keys are connected to ADC pins of the microcontroller, each key adopts different resistor voltage division, and the voltage division resistor of the power key is particularly required to be 0 ohm to ensure that the microcontroller can be awakened by the power key when in a sleep state; the microcontroller samples different voltages on the ADC pin to judge which key is pressed, and then sends key input information to the main chip for processing through the UART port.
Preferably: the remote controller is connected to an external interrupt pin of the microcontroller, the microcontroller decodes the remote controller and sends the key information of the remote controller to the main chip for processing through the UART port; the human body induction module and the RTC interrupt signal output pin are respectively connected to two GPIO ports with interrupt trigger wake-up functions of the microcontroller and used for checking human body movement signals and RTC interrupt signals, and the two GPIO ports need to have the interrupt trigger wake-up functions mainly for realizing the operations of waking up the microcontroller and turning on a main power supply in a shutdown state.
Preferably: the microcontroller and the main control chip are communicated through a UART interface, and the microcontroller is mainly used for sending key information, remote control operation information and human body movement information of a user side to the main control chip for response processing.
Preferably: the microcontroller informs the main control chip to execute the own shutdown process when detecting the shutdown operation of the user, after the shutdown process is executed, the main control chip needs to reply that the shutdown process of the main system at one end of the microcontroller is executed, and the microcontroller can disconnect the main power supply after receiving the reply.
The invention has the beneficial effects that:
1. when the system is shut down, the microcontroller shuts down a main power supply, and the microcontroller enters a deep sleep state, the power consumption of the microcontroller in the deep sleep state can reach microampere level or even lower energy consumption, the shutdown power consumption of a digital photo frame product is greatly reduced, and unnecessary energy waste is reduced;
2. the types of microcontrollers which can be purchased in the market at present are very many, the cost is very low, and the energy-saving effect is achieved by adding the microcontrollers, and meanwhile, the hardware cost is not increased greatly;
3. moreover, the invention can realize that the machine in the shutdown state is opened in various modes such as onboard keys, a remote controller, human body induction, an alarm clock and the like, thereby facilitating the use of users and improving the user experience; the product has greater market advantage.
Drawings
FIG. 1 is a schematic diagram of a total system frame structure of a low power consumption digital photo frame system according to the present invention;
FIG. 2 is a schematic diagram of the power-on and power-off processes of a low-power digital photo frame system according to the present invention.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.
In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.
In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.
Example 1:
a low-power-consumption digital photo frame system is shown in figures 1-2 and comprises a user input module, a human body induction module, a clock module, an electronic switch module, a main chip system module and a microcontroller, wherein the user input module comprises onboard keys and a remote controller, the main keys are defined with common keys such as an upward key, a downward key, a leftward key, a rightward key, a confirmation key, a return key, a power key and the like, the power key is used for powering on and powering off, and other keys are used for operating a digital photo frame.
Specifically, the onboard keys are installed on the machine to facilitate close-range operation, and the remote controller is used for remotely operating the digital photo frame and is independent of the digital photo frame.
Specifically, the electronic switch part of the electronic switch module is composed of an MOSFET and a plurality of resistance-capacitance devices, the electronic switch part is used as a switch of a main power supply and is controlled to be turned on or turned off by a microcontroller, and the main chip system module is used as a digital photo frame function main body.
Specifically, the microcontroller is responsible for power management, acquisition of user key information, human body movement information and clock chip interrupt signals, and communication with the main chip.
Specifically, the onboard keys are connected to ADC pins of the microcontroller, each key adopts different resistor voltage division, and the voltage division resistor of the power key is specially required to be 0 ohm to ensure that the microcontroller can be awakened by the power key when in a sleep state; the microcontroller samples different voltages on the ADC pin to judge which key is pressed, and then sends key input information to the main chip for processing through the UART port.
Specifically, the remote controller is connected to an external interrupt pin of the microcontroller, the microcontroller decodes the remote controller and sends the key information of the remote controller to the main chip for processing through the UART port; the human body induction module and the RTC interrupt signal output pin are respectively connected to two GPIO ports with interrupt trigger wake-up functions of the microcontroller and used for checking human body movement signals and RTC interrupt signals, and the two GPIO ports need to have the interrupt trigger wake-up functions mainly for realizing the operations of waking up the microcontroller and turning on a main power supply in a shutdown state.
Specifically, the microcontroller and the main control chip communicate through a UART interface, and the microcontroller mainly sends key information, remote control operation information and human body movement information of a user side to the main control chip for response processing.
Specifically, the microcontroller notifies the main control chip to execute its own shutdown process when detecting a shutdown operation of a user, after the shutdown process is completed, the main control chip needs to reply that the main system shutdown process at one end of the microcontroller is completed, and the microcontroller can disconnect the main power supply after receiving the reply.
When the digital photo frame is used, the power adapter is firstly inserted, the power circuit of the digital photo frame is mainly divided into two parts, the main power supply is responsible for supplying power to the main chip system and controlling the switch, the branch power supply is responsible for supplying power to the microcontroller and peripheral devices, the branch power supply is kept in a normally open state, when the digital photo frame is required to be started, the power switch on the onboard key is pressed, the microcontroller is in a power-on state, the power supply of the main digital photo frame is controlled to be powered on through the electronic switch part to start the digital photo frame, when the digital photo frame is required to be stopped, the power key on the onboard key is pressed, the microcontroller sends a shutdown command to the main digital photo frame system to execute shutdown operation, the microcontroller stops the main power supply to enter a deep sleep state after the microcontroller is completely executed by replying the microcontroller shutdown command, a user waits for pressing the power key again to start, thereby reducing power consumption under the shutdown condition.
Example 2:
a low-power-consumption digital photo frame system is shown in figures 1-2 and comprises a user input module, a human body induction module, a clock module, an electronic switch module, a main chip system module and a microcontroller, wherein the user input module comprises onboard keys and a remote controller, the main keys are defined with common keys such as an upward key, a downward key, a leftward key, a rightward key, a confirmation key, a return key, a power key and the like, the power key is used for powering on and powering off, and other keys are used for operating a digital photo frame.
Specifically, the onboard keys are installed on the machine to facilitate close-range operation, and the remote controller is used for remotely operating the digital photo frame and is independent of the digital photo frame.
Specifically, the human body sensing module can detect whether a human body moves nearby, the usage scenario is that the digital photo frame can play some specific contents when detecting that a person approaches, or the digital photo frame automatically enters a standby state or a power-off state after the person leaves for a period of time, and the digital photo frame is automatically powered on when the power adapter is powered off in a state of keeping the power adapter inserted or a person approaches in the standby state.
Specifically, the clock module provides accurate time for the digital photo frame and provides functions of a timer and an alarm clock, and the clock chip is connected with the main chip through an IIC interface so that the main chip can read and set time; the clock chip is connected with the microcontroller, the set timer and the clock chip can output low level signals after the alarm clock reaches the time, and the level signals can be captured by the microcontroller and then the main power supply digital photo frame is started.
Specifically, the electronic switch part of the electronic switch module is composed of an MOSFET and a plurality of resistance-capacitance devices, the electronic switch part is used as a switch of a main power supply and is controlled to be turned on or turned off by a microcontroller, and the main chip system module is used as a digital photo frame function main body.
Specifically, the microcontroller is responsible for power management, acquisition of user key information, human body movement information and clock chip interrupt signals, and communication with the main chip.
Specifically, the onboard keys are connected to ADC pins of the microcontroller, each key adopts different resistor voltage division, and the voltage division resistor of the power key is specially required to be 0 ohm to ensure that the microcontroller can be awakened by the power key when in a sleep state; the microcontroller samples different voltages on the ADC pin to judge which key is pressed, and then sends key input information to the main chip for processing through the UART port.
Specifically, the remote controller is connected to an external interrupt pin of the microcontroller, the microcontroller decodes the remote controller and sends the key information of the remote controller to the main chip for processing through the UART port; the human body induction module and the RTC interrupt signal output pin are respectively connected to two GPIO ports with interrupt trigger wake-up functions of the microcontroller and used for checking human body movement signals and RTC interrupt signals, and the two GPIO ports need to have the interrupt trigger wake-up functions mainly for realizing the operations of waking up the microcontroller and turning on a main power supply in a shutdown state.
Specifically, the microcontroller and the main control chip communicate through a UART interface, and the microcontroller mainly sends key information, remote control operation information and human body movement information of a user side to the main control chip for response processing.
Specifically, the microcontroller notifies the main control chip to execute its own shutdown process when detecting a shutdown operation of a user, after the shutdown process is completed, the main control chip needs to reply that the main system shutdown process at one end of the microcontroller is completed, and the microcontroller can disconnect the main power supply after receiving the reply.
When the embodiment is used, the microcontroller can decode the remote controller and send the key information of the remote controller to the main chip for processing through the UART port, a user can remotely send a starting signal to the microcontroller through the remote controller, the microcontroller decodes the signal and then sends the signal to the main chip, the main chip responds to the starting operation according to the signal, the human body induction module can enable the human body to exist, the digital photo frame automatically enters a standby state or a shutdown state after the human body is away from the digital photo frame for a period of time, the digital photo frame can automatically start up when a power adapter is in the shutdown state or a person approaches the digital photo frame in the standby state, in addition, the user can operate the digital photo frame through the key or the remote controller, the digital photo frame enters a system setting menu alarm clock time submenu to input the time storage setting, and the main chip writes, when the time is equal to the set alarm clock time, the clock chip can output an interrupt signal to the microcontroller, the clock chip can input a low level signal, the microcontroller can control the main power digital photo frame to be turned off according to the signal, if an alarm clock alarm event occurs in the off state, the system is triggered to be turned on, if the system is in the on state, the microcontroller can send the alarm clock event to the main chip through the UART port, the digital photo frame displays an alarm clock alarm interface, and in the off state, the microcontroller is in a deep sleep state, and when the state of a corresponding IO port changes, the microcontroller is awakened and enters a normal working state. Meanwhile, the microcontroller can detect which IO port triggers to wake up, namely, the on-board key, the remote controller, the human body induction and the alarm clock event trigger.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (10)
1. A low-power-consumption digital photo frame system comprises a user input module, a human body induction module, a clock module, an electronic switch module, a main chip system module and a microcontroller, and is characterized in that the user input module comprises onboard keys and a remote controller, wherein the main keys are defined to be commonly used keys such as upward keys, downward keys, leftward keys, rightward keys, confirmation keys, return keys, power keys and the like, the power keys are used for turning on and off the digital photo frame, and other keys are used for operating the digital photo frame.
2. The digital photo frame system with low power consumption of claim 1, wherein the onboard buttons are installed on the machine for convenient close-range operation, and the remote controller is used for remotely operating the digital photo frame, and the two are independent of each other.
3. The digital photo frame system with low power consumption of claim 1, wherein the human body sensing module can detect whether a human body moves nearby, the usage scenario is that the digital photo frame can play some specific contents when detecting that a human body approaches, or the digital photo frame can automatically enter a standby or power-off state after a person leaves for a period of time, and the digital photo frame can be automatically powered on when the digital photo frame is powered off in a state that the power adapter is inserted or when a human body approaches in a standby state.
4. The digital photo frame system with low power consumption of claim 1, wherein the clock module provides precise time for the digital photo frame, provides functions of a timer and an alarm clock, and the clock chip and the main chip are connected through the IIC interface for the main chip to read and set time; the clock chip is connected with the microcontroller, the set timer and the clock chip can output low level signals after the alarm clock reaches the time, and the level signals can be captured by the microcontroller and then the main power supply digital photo frame is started.
5. The digital photo frame system with low power consumption of claim 1, wherein the electronic switch portion of the electronic switch module is composed of MOSFET plus some resistor-capacitor devices, and is used as a switch of a main power source, and is controlled by the microcontroller to be turned on or off, and the main chipset system module is used as a digital photo frame functional main body.
6. The digital photo frame system with low power consumption as claimed in claim 5, wherein the micro-controller is responsible for power management, collection of user key information, human body movement information, clock chip interrupt signal, and communication with the main chip.
7. The low-power consumption digital photo frame system according to claim 2, wherein the onboard keys are connected to an ADC pin of the microcontroller, each key is divided by a different resistor, and the voltage dividing resistor of the power key is particularly required to be 0 ohm to ensure that the microcontroller can be awakened by the power key when in a sleep state; the microcontroller samples different voltages on the ADC pin to judge which key is pressed, and then sends key input information to the main chip for processing through the UART port.
8. The digital photo frame system with low power consumption as claimed in claim 2, wherein the remote controller is connected to an external interrupt pin of the microcontroller, the microcontroller decodes the remote controller and sends the remote controller key information to the main chip for processing through the UART port; the human body induction module and the RTC interrupt signal output pin are respectively connected to two GPIO ports with interrupt trigger wake-up functions of the microcontroller and used for checking human body movement signals and RTC interrupt signals, and the two GPIO ports need to have the interrupt trigger wake-up functions mainly for realizing the operations of waking up the microcontroller and turning on a main power supply in a shutdown state.
9. The digital photo frame system with low power consumption of claim 6, wherein the microcontroller and the main control chip communicate via UART interface, mainly realizing that the microcontroller sends the key information, remote control operation information and human body movement information of the user terminal to the main control chip for response processing.
10. The digital photo frame system with low power consumption of claim 6, wherein the microcontroller notifies the main control chip to execute its own shutdown procedure when detecting a shutdown operation of a user, after the shutdown procedure is completed, the main control chip needs to reply to the microcontroller that the shutdown procedure of the main system is completed, and the microcontroller can disconnect the main power supply after receiving the reply.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114945113A (en) * | 2022-04-29 | 2022-08-26 | 国网江苏省电力有限公司电力科学研究院 | SF6 gas insulation equipment monitoring method, system and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114945113A (en) * | 2022-04-29 | 2022-08-26 | 国网江苏省电力有限公司电力科学研究院 | SF6 gas insulation equipment monitoring method, system and device |
| CN114945113B (en) * | 2022-04-29 | 2024-06-11 | 国网江苏省电力有限公司电力科学研究院 | Monitoring method, system and device for SF6 gas insulation equipment |
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