CN112684877A - Intelligent screen, low-power-consumption system thereof and low-power-consumption control method - Google Patents
Intelligent screen, low-power-consumption system thereof and low-power-consumption control method Download PDFInfo
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- CN112684877A CN112684877A CN202110030494.8A CN202110030494A CN112684877A CN 112684877 A CN112684877 A CN 112684877A CN 202110030494 A CN202110030494 A CN 202110030494A CN 112684877 A CN112684877 A CN 112684877A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses an intelligent screen, a low-power-consumption system thereof and a low-power-consumption control method, wherein the low-power-consumption system comprises a distance detection module, a main control module, a power management module and a display screen, the main control module is respectively in information interaction with the distance detection module, the power management module and the display screen, the power management module is respectively connected with the distance detection module, the main control module and the display screen to respectively carry out power supply management on the distance detection module, the main control module and the display screen, wherein, the distance detection module is used for detecting whether a person approaches the intelligent screen or not to output a detection signal to the main control module, the main control module controls the display screen to be lightened when determining that the person approaches the intelligent screen according to the detection signal, and controls the distance detection module to be powered off through the power management module after the display screen is lightened, and controlling the distance detection module to be powered on through the power management module at a first preset time before the display screen is turned off. Therefore, the power consumption of the intelligent screen can be effectively reduced, and the user experience is improved.
Description
Technical Field
The invention relates to the technical field of electronic equipment, in particular to an intelligent screen, a low-power-consumption system thereof and a low-power-consumption control method.
Background
With the rapid development of artificial intelligence and the Internet of things, the intelligent screen becomes a standard product in the fields of real estate and the like due to the advantage of strong functions. In order to expand the functions, the smart screen is internally provided with various sensors and various functional modules, however, the more the sensors and the functional modules are, the larger the power consumption is generally. In the related technology, no effective energy consumption management scheme aiming at the intelligent screen exists, so that the product power consumption is too large and the energy-saving and consumption-reducing targets are not reached.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. Therefore, the invention aims to provide a low-power-consumption system of an intelligent screen, which can effectively reduce the power consumption of the intelligent screen and improve the user experience.
The second purpose of the invention is to provide a smart screen.
The third purpose of the invention is to provide a low-power consumption control method of the intelligent screen.
In order to achieve the above object, a first aspect of the present invention provides a smart panel low power consumption system, which includes a distance detection module, a main control module, a power management module and a display panel, wherein the main control module performs information interaction with the distance detection module, the power management module and the display panel, respectively, and the power management module is connected to the distance detection module, the main control module and the display panel, respectively, to perform power supply management on the distance detection module, the main control module and the display panel, respectively, wherein the distance detection module is used to detect whether a person approaches the smart panel to output a detection signal to the main control module, the main control module controls the display panel to be turned on when determining that the person approaches the smart panel according to the detection signal, and controls the distance detection module to be powered off through the power management module after the display panel is turned on, and controls the distance detection module to be powered on through the power management module at a first preset time before the display, so that the distance detection module can carry out detection work.
According to the low-power-consumption system of the intelligent screen, whether a person approaches the intelligent screen is detected through the distance detection module so as to output a detection signal to the main control module, the main control module controls the display screen to be lightened when the person approaches the intelligent screen according to the detection signal, the distance detection module is controlled to be powered off through the power management module after the display screen is lightened, and the distance detection module is controlled to be powered on through the power management module at a first preset time before the display screen is powered off so that the distance detection module can conduct detection work. Therefore, the power consumption of the intelligent screen can be effectively reduced, and the user experience is improved.
According to an embodiment of the present invention, the smart screen low power consumption system further includes a touch control module, a key module and a power amplifier module, wherein the power management module is respectively connected to the key module, the touch control module and the power amplifier module to respectively perform power supply management on the key module, the touch control module is respectively connected to the main control module, the display screen and the key module, the touch control module receives a user instruction through the display screen and/or the key module, generates a touch control signal according to the user instruction, and transmits the touch control signal to the main control module, so that the main control module controls the smart screen, the main control module is connected to the power amplifier module, the main control module is configured to control the power amplifier module to transmit audio information, and the main control module is further configured to control the display screen through the power management module when it is determined that no one approaches the smart screen according to the detection signal, The touch module, the key module and the power amplifier module are powered off.
According to an embodiment of the present invention, the low power consumption system of the smart screen further comprises a wired network module, an ethernet chip and a wireless network module, wherein the power management module is respectively connected to the wired network module, the ethernet chip and the wireless network module to respectively perform power supply management on the wired network module, the ethernet chip and the wireless network module, the ethernet chip is connected to the wired network module, the ethernet chip is used for detecting whether the smart screen is connected to the wired network module to output a wired network detection signal, the main control module is respectively connected to the wireless network module and the ethernet chip, when the main control module determines that the smart screen is connected to the wired network module according to the wired network detection signal, the power management module controls the wireless network module to power off, and when the wired network detection signal determines that the smart screen is not connected to the wired network module, the power management module controls the wireless network module to power on, so that the smart screen remains networked.
According to an embodiment of the invention, the smart screen low power consumption system further comprises a relay and a relay driving module, the relay driving module is respectively connected with the main control module and the relay, the relay driving module drives the relay to be switched on or off under the control of the main control module, wherein the power management module is respectively connected with the relay and the relay driving module to respectively supply power to the relay and the relay driving module for management, and the main control module is used for detecting whether the relay is switched on or not through the power management module when the smart screen is started each time, and controlling the relay driving circuit to be powered off through the power management module when the relay is not switched on.
According to an embodiment of the present invention, the smart screen low power consumption system further includes a voice processing module, the voice processing module is connected to the main control module, the voice processing module is configured to process a voice command to output a control command to the main control module, so that the main control module controls the smart screen according to the control command, wherein the power management module is connected to the voice processing module to perform power supply management on the voice processing module, the main control module lengthens a wake-up time frequency of the voice processing module when detecting that the time when the voice processing module is not used reaches a second preset time, and controls the voice processing module to power down through the power management module when the voice processing module is not woken up.
According to an embodiment of the present invention, the main control module is further configured to, after the wake-up time frequency of the voice processing module is increased, if it is detected that the voice processing module is used, restore the wake-up time frequency of the voice processing module to a default setting frequency.
According to an embodiment of the invention, the smart screen low power consumption system further includes a light detection module, the light detection module is connected to the main control module, the light detection module is used for detecting the brightness of ambient light to output an ambient light brightness signal to the main control module, and the power management module is connected to the light detection module to perform power supply management on the light detection module, wherein the main control module controls the light detection module to be powered on through the power management module when the display screen is turned on, and controls the display brightness of the display screen according to the ambient light brightness signal.
According to an embodiment of the invention, the smart screen low power consumption system further comprises a temperature and humidity detection module, the temperature and humidity detection module is connected with the main control module, the temperature and humidity detection module is used for detecting environmental temperature and humidity information to output a temperature and humidity signal to the main control module, the power management module is connected with the temperature and humidity detection module to supply power to the temperature and humidity detection module for management, wherein the main control module controls the temperature and humidity detection module to be powered on through the power management module when the display screen is turned on, and controls the display screen to display the temperature and humidity information according to the temperature and humidity signal.
In order to achieve the above object, a second embodiment of the present invention provides a smart screen, which includes the above low power consumption system for smart screen.
According to the intelligent screen provided by the embodiment of the invention, the intelligent screen low-power-consumption system is adopted, so that the power consumption of the intelligent screen can be effectively reduced, and the user experience is improved.
In order to achieve the above object, an embodiment of a third aspect of the present invention provides a low power consumption control method for a smart screen, including the following steps: detecting whether a person approaches the intelligent screen through a distance detection module to output a detection signal; the method comprises the steps of determining that a person approaches the intelligent screen according to a detection signal, controlling the display screen to be lightened, controlling the distance detection module to be powered off through the power management module after the display screen is lightened, and controlling the distance detection module to be powered on through the power management module at a first preset time before the display screen is turned off, so that the distance detection module can carry out detection work.
According to the low-power-consumption control method of the intelligent screen, whether a person approaches the intelligent screen is detected through the distance detection module to output a detection signal, then the display screen is controlled to be lightened when the person approaches the intelligent screen is determined according to the detection signal, the distance detection module is controlled to be powered off through the power management module after the display screen is lightened, and the distance detection module is controlled to be powered on through the power management module at a first preset time before the display screen is powered off, so that the distance detection module can conduct detection work. Therefore, the power consumption of the intelligent screen can be effectively reduced, and the user experience is improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
Fig. 1 is a schematic structural diagram of a smart screen low power consumption system according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a smart screen low power consumption system according to another embodiment of the present invention;
FIG. 3 is a block diagram of a smart screen according to one embodiment of the present invention;
fig. 4 is a flowchart of a low power consumption control method of a smart screen according to an embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, 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 illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
The following describes a smart screen, a low power consumption system thereof, and a low power consumption control method thereof according to an embodiment of the present invention with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a smart-screen low-power-consumption system according to an embodiment of the present invention, and referring to fig. 1, the smart-screen low-power-consumption system 100 includes a distance detection module 101, a main control module 102, a power management module 103, and a display screen 104. The main control module 102 is respectively in information interaction with the distance detection module 101, the power management module 103 and the display screen 104, the power management module 103 is respectively in information interaction with the distance detection module 101, the main control module 102 is connected with the display screen 104 to respectively carry out power supply management on the distance detection module 101 and the display screen 104, wherein the distance detection module 101 is used for detecting whether a person approaches the smart screen or not so as to output a detection signal to the main control module 102, the main control module 102 controls the display screen 104 to be lightened when determining that the person approaches the smart screen according to the detection signal, controls the distance detection module 101 to be powered off through the power management module 103 after the display screen 104 is lightened, and controls the distance detection module 101 to be powered on through the power management module 103 at a first preset time before the display screen 104 is turned off, so that the distance detection module 101 can carry out detection work.
Specifically, the distance detection module 101 may include a distance sensor, and detect a distance between the display screen 104 and a nearby person through the distance sensor to determine whether the person approaches. The main control module 102 may include a main control chip, and the main control chip controls the display screen 104 to be turned on or off, and sends a power-on control signal or a power-off control signal of the distance detection module 101 to the power management module 103, and controls the distance detection module 101 to be powered on or powered off through the power management module 103. The power management module 103 may include a power management chip, which distributes the power input from the external power source among the relevant modules or devices under the control of the main control module 102. The Display screen 104 includes, but is not limited to, an LCD (Liquid Crystal Display) Display screen, an OLED (Organic Light Emitting Display) Display screen.
In specific implementation, the initial state of the display screen 104 may be a turning-off state, the initial state of the distance detection module 101 may be a detection running state, when the distance detection module 101 detects that a person approaches, the distance detection module 101 sends a detection signal to the main control module 102, and the main control module 102 controls the display screen 104 to be turned on according to the detection signal, so that an energy-saving mode that the display screen is turned on when the person exists and turned off when the person does not exist is realized. When the display screen 104 is lit, the main control module 102 notifies the power management module 103 to cut off the power of the distance detection module 101 to achieve the purpose of saving energy. When the display screen 104 reaches a first preset time (which may be embodied as 2s) before the screen-off time, the main control module 102 notifies the power management module 103 to energize the distance detection module 101, so as to ensure that a normal distance detection function can be realized after the screen is turned off.
In an embodiment, as shown in fig. 2, the smart screen low power consumption system 100 further includes a touch module 105, a key module 106, and a power amplifier module 107, wherein the power management module 103 is respectively connected to the key module 106, the touch module 105, and the power amplifier module 107 to respectively perform power supply management on the key module 106, the touch module 105 is respectively connected to the main control module 102, the display screen 104, and the key module 106, the touch module 105 receives a user instruction through the display screen 104 and/or the key module 106, generates a touch signal according to the user instruction, and sends the touch signal to the main control module 102, so that the main control module 102 controls the smart screen, the main control module 102 is connected to the power amplifier module 107, the main control module 102 is configured to control the power amplifier module 107 to send out audio information, and the main control module 102 is further configured to control the display screen 104 through the power management module 103 when it is determined that no one approaches the smart screen according to the detection signal, The touch module 105, the key module 106 and the power amplifier module 107 are powered down.
That is to say, the smart screen low power consumption system 100 may include the touch module 105, the key module 106, and the power amplifier module 107, on one hand, the user instruction may be received through the touch module 105 and the key module 106, and audio information may be provided to the user through the power amplifier module 107, so as to improve user experience in human-computer interaction; on the other hand, when the distance detection module 101 does not detect that a person approaches, the main control module 102 notifies the power management module 103 to cut off the power of the display screen 104, the touch module 105, the key module 106, and the power amplifier module 107, so as to achieve the purpose of saving energy. Therefore, the user experience is improved by adding the function of the intelligent screen, and meanwhile, energy can be saved to the maximum extent.
In an embodiment, as shown in fig. 2, the smart screen low power consumption system 100 further includes a wired network module 108, an ethernet chip 109, and a wireless network module 110, wherein the power management module 103 is respectively connected to the wired network module 108, the ethernet chip 109, and the wireless network module 110 to respectively perform power supply management on the wired network module 108, the ethernet chip 109 is connected to the wired network module 108, the ethernet chip 109 is used to detect whether the smart screen is accessed to the wired network module 108 to output a wired network detection signal, the main control module 102 is respectively connected to the wireless network module 110 and the ethernet chip 109, the main control module 102 controls the wireless network module 110 to power down through the power management module 103 when determining that the smart screen is accessed to the wired network module 108 according to the wired network detection signal, and controls the wireless network module 103 to control the wireless network module 110 to power down when determining that the smart screen is not accessed to the wired network module 108 according to the wired network detection signal The network module 110 powers up to keep the smart screen networked.
Specifically, the wired network module 108 may include a wired port and a dual port network filter, where the wired network signal is transmitted to the dual port network filter through the wired port, and is processed by the dual port network filter, so that the signal input to the ethernet chip 109 is more stable; the Wireless network module 110 may include a WIFI (Wireless Fidelity) module, a ZIGBEE (ZIGBEE protocol) module, and the like.
In a specific embodiment, when the ethernet chip 109 detects that the smart screen is connected to the wired port (usually, when the smart screen is powered on), the smart screen low power consumption system 100 preferentially uses the network provided by the wired network module 108, and at this time, the main control module 102 notifies the power management module 103 to cut off the power of the wireless network module 110; when the ethernet chip 109 detects that the network cable at the wired network module 108 is disconnected, the power management module 103 is notified to supply power to the wireless network module 110, so that the smart screen remains networked. Therefore, the connection function of the intelligent screen network can be ensured, and the reduction of the system power consumption can be realized.
In one embodiment, as shown in fig. 2, the smart screen low power consumption system 100 further includes a relay 111 and a relay driving module 112, the relay driving module 112 is respectively connected to the main control module 102 and the relay 111, the relay driving module 112 drives the relay 111 to be switched on or off under the control of the main control module 102, wherein the power management module 103 is respectively connected to the relay 111 and the relay driving module 112 to respectively perform power supply management on the relay 111 and the relay driving module 112, the main control module 102 is configured to detect whether the relay 111 is switched on or off through the power management module 103 when the smart screen is powered on each time, and control the relay 111 to drive the circuit to be powered off through the power management module 103 when the relay 111 is not switched on.
That is to say, when the smart screen is turned on each time, if the relay 111 is not connected to the power supply, that is, the relay 111 is in the non-operating state, the main control module 102 notifies the power management module 103 to cut off the power supply of the relay driving module 112, so as to achieve the purpose of saving energy.
In one embodiment, as shown in fig. 2, the smart screen low power consumption system 100 further includes a voice processing module 113, the voice processing module 113 is connected to the main control module 102, the voice processing module 113 is configured to process a voice command to output a control command to the main control module 102, so that the main control module 102 controls the smart screen according to the control command, wherein the power management module 103 is connected to the voice processing module 113 to perform power management on the voice processing module 113, the main control module 102 adjusts the wake-up time frequency of the voice processing module 113 when detecting that the time that the voice processing module 113 is not used reaches a second preset time, and controls the power of the voice processing module 113 through the power management module 103 when the voice processing module 113 is not woken up.
In one embodiment, the main control module 102 is further configured to, after the wake-up time frequency of the voice processing module 113 is increased, if it is detected that the voice processing module 113 is used, restore the wake-up time frequency of the voice processing module 113 to a default setting frequency.
Specifically, since the power consumption of the voice processing module 113 during operation is high, in this embodiment, it is preferable to adjust the wake-up frequency of the voice processing module 113 according to the actual use situation of the user. That is, in the state of not using the voice processing module 113 for a long time (reaching the second preset time), the wake-up time frequency is increased; when the voice processing module 113 is in the state of increasing the wake-up time frequency, if the voice processing module is used, the wake-up time frequency is restored to the default setting frequency. In particular, the voice processing module 113 may include a microphone through which a sound signal is converted into an electrical signal.
In one embodiment, as shown in fig. 2, the smart-screen low-power consumption system 100 further includes a light detection module 114, the light detection module 114 is connected to the main control module 102, the light detection module 114 is configured to detect an ambient light brightness and output an ambient light brightness signal to the main control module 102, and the power management module 103 is connected to the light detection module 114 to perform power management on the light detection module 114, where the main control module 102 controls the light detection module 114 to be powered on through the power management module 103 when the display screen 104 is lighted up, and controls the display brightness of the display screen 104 according to the ambient light brightness signal.
In an embodiment, as shown in fig. 2, the smart screen low power consumption system 100 further includes a temperature and humidity detection module 115, the temperature and humidity detection module 115 is connected to the main control module 102, the temperature and humidity detection module 115 is configured to detect environmental temperature and humidity information to output a temperature and humidity signal to the main control module 102, the power management module 103 is connected to the temperature and humidity detection module 115 to perform power supply management on the temperature and humidity detection module 115, wherein when the main control module 102 lights the display screen 104, the power management module 103 controls the temperature and humidity detection module 115 to be powered on, and controls the display screen 104 to display the temperature and humidity information according to the temperature and humidity signal.
That is to say, the light detection module 114 and the temperature and humidity detection module 115 are respectively connected with the main control module 102 to output an ambient light brightness signal and a temperature and humidity signal to the main control module 102, so that the function of the smart screen can be increased, and the improvement of user experience is facilitated. Meanwhile, because the two are respectively subjected to power supply management of the power management module 103, a certain energy saving function can be realized, if the ambient light brightness reaches a certain threshold, the brightness of the smart screen can be reduced to reduce power consumption, and if the ambient temperature and humidity reaches a certain threshold, the working mode of the temperature and humidity control module in the smart screen low-power-consumption system 100 can be adjusted to reduce power consumption.
In addition, other modules, such as a word stock storage module and the like, may also be arranged in the smart screen low power consumption system 100, and the connection mode and effect thereof are similar to those of the light detection module 114 and the temperature and humidity detection module 115, and are not specifically described again.
According to the low-power-consumption system of the intelligent screen, whether a person approaches the intelligent screen is detected through the distance detection module so as to output a detection signal to the main control module, the main control module controls the display screen to be lightened when the person approaches the intelligent screen according to the detection signal, the distance detection module is controlled to be powered off through the power management module after the display screen is lightened, and the distance detection module is controlled to be powered on through the power management module at a first preset time before the display screen is powered off so that the distance detection module can conduct detection work. Therefore, the power consumption of the intelligent screen can be effectively reduced, and the user experience is improved.
Fig. 3 is a schematic diagram of a smart screen according to one embodiment of the invention. Referring to fig. 3, the smart screen 1000 includes the smart screen low power consumption system 100 described above.
It should be noted that, for the description of the smart screen in the present application, please refer to the description of the low power consumption system of the smart screen in the present application, which is not repeated herein.
According to the intelligent screen provided by the embodiment of the invention, the intelligent screen low-power-consumption system is adopted, so that the power consumption of the intelligent screen can be effectively reduced, and the user experience is improved.
Fig. 4 is a flowchart of a low power consumption control method of a smart screen according to an embodiment of the present invention, where the smart screen includes the above-mentioned smart screen low power consumption system, and referring to fig. 4, the low power consumption control method of the smart screen includes the following steps:
s201: whether a person approaches the intelligent screen is detected through the distance detection module so as to output a detection signal.
S202: the method comprises the steps of determining that a person approaches the intelligent screen according to a detection signal, controlling the display screen to be lightened, controlling the distance detection module to be powered off through the power management module after the display screen is lightened, and controlling the distance detection module to be powered on through the power management module at a first preset time before the display screen is turned off, so that the distance detection module can carry out detection work.
In an embodiment, the method for controlling low power consumption of a smart screen further includes: and when the fact that no person approaches the intelligent screen is determined according to the detection signal, the power management module controls the display screen, the touch module, the key module and the power amplifier module to be powered off.
In an embodiment, the method for controlling low power consumption of a smart screen further includes: detecting whether the intelligent screen is accessed to a wired network module to output a wired network detection signal; when the intelligent screen is determined to be connected with the wired network module according to the wired network detection signal, the power supply management module controls the wireless network module to be powered off; and when the intelligent screen is determined not to be accessed to the wired network module according to the wired network detection signal, controlling the wireless network module to be powered on through the power management module so that the intelligent screen keeps networking.
In an embodiment, the method for controlling low power consumption of a smart screen further includes: when the intelligent screen is started up each time, whether the relay is connected with a power supply or not is detected through the power supply management module; when the relay is not connected with the power supply, the relay driving circuit is controlled to be powered off through the power supply management module.
In an embodiment, the method for controlling low power consumption of a smart screen further includes: when the time that the voice processing module is not used is detected to reach a second preset time, the awakening time frequency of the voice processing module is prolonged; and when the voice processing module is not awakened, the power supply management module controls the power-off of the voice processing module.
In an embodiment, the method for controlling low power consumption of a smart screen further includes: after the wake-up time frequency of the voice processing module is prolonged, if the voice processing module is detected to be used, the wake-up time frequency of the voice processing module is restored to the default set frequency.
In an embodiment, the method for controlling low power consumption of a smart screen further includes: when the display screen is lightened, the power supply management module controls the light detection module to be powered on, and the display brightness of the display screen is controlled according to the ambient light brightness signal.
In an embodiment, the method for controlling low power consumption of a smart screen further includes: when the display screen is lightened, the temperature and humidity detection module is controlled to be powered on through the power management module, and the display screen is controlled to display temperature and humidity information according to the temperature and humidity signals.
It should be noted that, for the description of the low power consumption control method of the smart screen in the present application, please refer to the description of the low power consumption system of the smart screen in the present application, which is not described herein again specifically.
According to the low-power-consumption control method of the intelligent screen, whether a person approaches the intelligent screen is detected through the distance detection module to output a detection signal, then the display screen is controlled to be lightened when the person approaches the intelligent screen is determined according to the detection signal, the distance detection module is controlled to be powered off through the power management module after the display screen is lightened, and the distance detection module is controlled to be powered on through the power management module at a first preset time before the display screen is powered off, so that the distance detection module can conduct detection work. Therefore, the power consumption of the intelligent screen can be effectively reduced, and the user experience is improved.
It should be noted that the logic and/or steps represented in the flowcharts or otherwise described herein, such as an ordered listing of executable instructions that can be considered to implement logical functions, can be embodied in any computer-readable medium for use by or in connection with an instruction execution system, apparatus, or device, such as a computer-based system, processor-containing system, or other system that can fetch the instructions from the instruction execution system, apparatus, or device and execute the instructions. For the purposes of this description, a "computer-readable medium" can be any means that can contain, store, communicate, propagate, or transport the program for use by or in connection with the instruction execution system, apparatus, or device. More specific examples (a non-exhaustive list) of the computer-readable medium would include the following: an electrical connection (electronic device) having one or more wires, a portable computer diskette (magnetic device), a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber device, and a portable compact disc read-only memory (CDROM). Additionally, the computer-readable medium could even be paper or another suitable medium upon which the program is printed, as the program can be electronically captured, via for instance optical scanning of the paper or other medium, then compiled, interpreted or otherwise processed in a suitable manner if necessary, and then stored in a computer memory.
It should be understood that portions of the present invention may be implemented in hardware, software, firmware, or a combination thereof. In the above embodiments, the various steps or methods may be implemented in software or firmware stored in memory and executed by a suitable instruction execution system. For example, if implemented in hardware, as in another embodiment, any one or combination of the following techniques, which are known in the art, may be used: a discrete logic circuit having a logic gate circuit for implementing a logic function on a data signal, an application specific integrated circuit having an appropriate combinational logic gate circuit, a Programmable Gate Array (PGA), a Field Programmable Gate Array (FPGA), or the like.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. A low-power-consumption system of an intelligent screen is characterized by comprising a distance detection module, a main control module, a power management module and a display screen, wherein the main control module is respectively communicated with the distance detection module, the power management module and the display screen in an information interaction manner, the power management module is respectively connected with the distance detection module, the main control module and the display screen to respectively carry out power supply management on the distance detection module, the main control module and the display screen, wherein,
the distance detection module is used for detecting whether a person is close to the intelligent screen to output a detection signal to the main control module, the main control module determines that the person is close to the intelligent screen according to the detection signal, controls the display screen to be lightened, controls the distance detection module to be powered off through the power management module after the display screen is lightened, controls the distance detection module to be powered on through the power management module at a first preset time before the display screen is turned off, and therefore the distance detection module can carry out detection work.
2. The smart-screen low-power-consumption system according to claim 1, further comprising a touch module, a key module and a power amplifier module, wherein the power management module is respectively connected to the key module, the touch module and the power amplifier module for respectively performing power supply management on the key module, the touch module and the power amplifier module, the touch module is respectively connected to the main control module, the display screen and the key module, the touch module receives a user command through the display screen and/or the key module, generates a touch signal according to the user command, and sends the touch signal to the main control module, so that the main control module can control the smart screen, the main control module is connected to the power amplifier module, and the main control module is used for controlling the power amplifier module to send audio information, and the main control module is also used for controlling the display screen, the touch control module, the key module and the power amplifier module to be powered off through the power management module when the fact that no person approaches the intelligent screen is determined according to the detection signal.
3. The smart screen low power consumption system of claim 1 or 2, further comprising a wired network module, an ethernet chip and a wireless network module, wherein the power management module is respectively connected to the wired network module, the ethernet chip and the wireless network module for respectively performing power supply management on the wired network module, the ethernet chip and the wireless network module, the ethernet chip is connected to the wired network module, the ethernet chip is used for detecting whether the smart screen is connected to the wired network module to output a wired network detection signal, the main control module is respectively connected to the wireless network module and the ethernet chip, and the main control module controls the wireless network module to be powered off by the power management module when determining that the smart screen is connected to the wired network module according to the wired network detection signal, and controlling the wireless network module to be powered on through the power management module when the intelligent screen is determined not to be accessed to the wired network module according to the wired network detection signal, so that the intelligent screen is kept networked.
4. The smart screen low power consumption system of claim 3, further comprising a relay and a relay driving module, wherein the relay driving module is respectively connected to the main control module and the relay, the relay driving module drives the relay to be switched on or off under the control of the main control module, wherein the power management module is respectively connected to the relay and the relay driving module to respectively manage power supply to the relay and the relay driving module, and the main control module is configured to detect whether the relay is switched on or not through the power management module when the smart screen is switched on each time, and control the relay driving circuit to be powered off through the power management module when the relay is not switched on.
5. The smart-screen low-power-consumption system according to claim 3, further comprising a voice processing module, wherein the voice processing module is connected to the main control module, and the voice processing module is configured to process a voice command to output a control command to the main control module, so that the main control module controls the smart screen according to the control command, wherein the power management module is connected to the voice processing module to perform power management on the voice processing module, and the main control module increases the wake-up time frequency of the voice processing module when detecting that the time when the voice processing module is not used reaches a second preset time, and controls the power-down of the voice processing module through the power management module when the voice processing module is not woken up.
6. The smart-screen low power consumption system of claim 5, wherein the main control module is further configured to, after tuning up the wake-up time frequency of the voice processing module, restore the wake-up time frequency of the voice processing module to a default setting frequency if it is detected that the voice processing module is used.
7. The smart screen low power consumption system of claim 3, further comprising a light detection module, wherein the light detection module is connected to the main control module, the light detection module is configured to detect an ambient light brightness and output an ambient light brightness signal to the main control module, and the power management module is connected to the light detection module for performing power management on the light detection module, wherein the main control module controls the light detection module to be powered on through the power management module when the display screen is turned on, and controls the display brightness of the display screen according to the ambient light brightness signal.
8. The smart screen low power consumption system of claim 3, further comprising a temperature and humidity detection module, wherein the temperature and humidity detection module is connected to the main control module, the temperature and humidity detection module is configured to detect environmental temperature and humidity information and output a temperature and humidity signal to the main control module, the power management module is connected to the temperature and humidity detection module to perform power supply management on the temperature and humidity detection module, wherein the main control module controls the temperature and humidity detection module to be powered on through the power management module when the display screen is turned on, and controls the display screen to display the temperature and humidity information according to the temperature and humidity signal.
9. A smart screen characterized by comprising a smart screen low power consumption system according to any one of claims 1 to 8.
10. A low power consumption control method of a smart screen according to claim 9, comprising the steps of:
detecting whether a person approaches the intelligent screen through the distance detection module to output a detection signal;
and controlling the display screen to be lightened when a person is determined to be close to the intelligent screen according to the detection signal, controlling the distance detection module to be powered off through the power management module after the display screen is lightened, and controlling the distance detection module to be powered on through the power management module at a first preset time before the display screen is turned off so as to facilitate the detection work of the distance detection module.
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