CN108616650B - Dust removal method and mobile terminal - Google Patents
Dust removal method and mobile terminal Download PDFInfo
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- CN108616650B CN108616650B CN201810252899.4A CN201810252899A CN108616650B CN 108616650 B CN108616650 B CN 108616650B CN 201810252899 A CN201810252899 A CN 201810252899A CN 108616650 B CN108616650 B CN 108616650B
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- preset time
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72484—User interfaces specially adapted for cordless or mobile telephones wherein functions are triggered by incoming communication events
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B6/00—Cleaning by electrostatic means
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/72—Mobile telephones; Cordless telephones, i.e. devices for establishing wireless links to base stations without route selection
- H04M1/724—User interfaces specially adapted for cordless or mobile telephones
- H04M1/72448—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions
- H04M1/72454—User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to context-related or environment-related conditions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/12—Details of telephonic subscriber devices including a sensor for measuring a physical value, e.g. temperature or motion
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M2250/00—Details of telephonic subscriber devices
- H04M2250/22—Details of telephonic subscriber devices including a touch pad, a touch sensor or a touch detector
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- Engineering & Computer Science (AREA)
- Human Computer Interaction (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Environmental & Geological Engineering (AREA)
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Abstract
The embodiment of the invention provides a dust removal method and a mobile terminal, wherein the method comprises the following steps: when the dust removal control operation is received, the dust screen is controlled to release charges for a first preset time, after the preset time, the dust screen is charged, wherein the dust screen is both subjected to dust removal in the charge release and charging processes of the dust screen. The dust removal scheme provided by the embodiment of the invention can automatically clean dust in the dust screen without disassembling the whole machine, and is convenient for a user to use.
Description
Technical Field
The invention relates to the technical field of mobile terminals, in particular to a dust removal method and a mobile terminal.
Background
With the development of science and technology, mobile terminals become more and more popular tools for people. Dust and other tiny particles exist in the using environment of the mobile terminal more or less, after the mobile terminal is used for a long time, a large amount of dust enters the mobile terminal through the sound outlet or the sound inlet of the mobile terminal and is attached to or blocked in the dust screen of the sound outlet or the sound inlet, and the normal work of a microphone, a receiver and a loudspeaker of the mobile terminal is influenced finally.
At present, the cleaning of the dust screens of the microphone, the receiver and the loudspeaker is generally completed after the mobile terminal is dismounted, and the cleaning mode has complex program and high cost.
Disclosure of Invention
The embodiment of the invention provides a dust removal method and a mobile terminal, and aims to solve the problems that in the prior art, a dust cleaning procedure for a dust screen is complex and the cost is high.
In order to solve the technical problem, the invention is realized as follows:
in a first aspect, an embodiment of the present invention provides a dust removal method, including: when a dust removal control operation is received, controlling a dust screen to release charges for a first preset time, wherein the dust screen is a conductive dust screen and is arranged in the mobile terminal; after the first preset time, charging the dust screen, wherein the dust screen is dedusted in the charge releasing and charging processes of the dust screen
In a second aspect, an embodiment of the present invention further provides a mobile terminal, where the mobile terminal includes: the mobile terminal comprises a receiving module, a control module and a control module, wherein the receiving module is used for controlling a dust screen to release charges with a first preset duration when a dust removal control operation is received, the dust screen is a conductive dust screen and is arranged in the mobile terminal; and the control module is used for charging the dust screen after the first preset time, wherein the dust screen is subjected to dust removal in the charge releasing and charging processes.
In a third aspect, an embodiment of the present invention further provides a mobile terminal, including a processor, a memory, and a computer program stored on the memory and executable on the processor, where the computer program, when executed by the processor, implements the steps of the dust removal method according to any one of claims 1 to 5.
In the embodiment of the invention, when the dust removal control operation is received, the dust screen is controlled to release the charges for the first preset time, after the preset time, the dust screen is charged, the dust screen is dedusted in the charge release and charging processes of the dust screen, and the dust is adsorbed to the dust screen mainly because the dust is attached to the dust screen due to static electricity after being frictionally charged in the air, the dust screen is controlled to release the charges firstly, so that the electrical property of part of the dust can be eliminated, and therefore, part of the dust is removed, and secondly, the dust screen is charged, so that the dust and the electric impurities in the dust screen are removed, and finally, the dust removal operation of the dust screen is completed.
Drawings
FIG. 1 is a flow chart of the steps of a dedusting method according to a first embodiment of the present invention;
FIG. 2 is a flow chart showing the steps of a dedusting method according to a second embodiment of the present invention;
FIG. 3 is a schematic diagram of a dedusting circuit according to an embodiment of the present invention;
fig. 4 is a block diagram of a mobile terminal according to a third embodiment of the present invention;
fig. 5 is a block diagram of a mobile terminal according to a fourth embodiment of the present invention;
fig. 6 is a schematic diagram of a hardware structure of a mobile terminal according to a fifth embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
Referring to FIG. 1, a flow chart of the steps of a dust removal method of the present invention is shown.
The dust removal method provided by the embodiment of the invention comprises the following steps:
step 101: and when the dust removal control operation is received, controlling the dust screen to release the charges for a first preset time.
The dustproof net is a conductive dustproof net, and the dustproof net is arranged inside the mobile terminal.
In this embodiment, the mobile terminal may be a mobile phone, a tablet computer, or another mobile terminal that has an audio diaphragm and a dust screen covering the audio diaphragm and is capable of outputting audio.
In this embodiment, there are many methods for receiving the dust removal control operation, for example: the mobile terminal is provided with a physical key, and when the physical key is detected to be pressed, the dust removal control operation is received, or when a user presses a certain physical key for more than a preset time, the dust removal control operation is determined to be received, it needs to be noted that the preset time can be 1s, 2s, 3s and the like, and the preset time is not specifically limited in the embodiment of the invention.
Since one of the main reasons that dust and impurities are adsorbed on the dust screen is that the dust is attached to the dust screen due to static electricity after being triboelectrically charged in air, when a dust removal control operation is received, the dust screen is controlled to release charges for a first preset time period, where the first preset time period may be 1s, 2s, 3s, and the like, and the first preset time period is not particularly limited in the embodiment of the present invention. The method for releasing the charges of the dust screen may be to ground the dust screen so that the charged dust and impurities on the dust screen release the charges, thereby allowing the dust and impurities on the dust screen to be partially removed.
Step 102: and after the first preset time, charging the dustproof net.
Wherein, all remove dust to the dust screen in releasing electric charge and the charging process to the dust screen.
After first predetermined duration, partial dust and impurity on the dust screen are clear away, only rely on the release electric charge to cause to remove dust thoroughly incompletely, still persist electrified impurity or dust on the dust screen, then need charge to the dust screen, through the principle that like charges repel each other, when the electric charge to dust screen input positive polarity, clear away impurity and the dust of positive polarity on the dust screen, when the electric charge to dust screen input negative polarity, clear away impurity and the dust of negative polarity on the dust screen.
In the embodiment of the invention, when the dust removal control operation is received, the dust screen is controlled to release the charges for the first preset time, after the preset time, the dust screen is charged, the dust screen is dedusted in the charge release and charging processes of the dust screen, and the dust is adsorbed to the dust screen mainly because the dust is attached to the dust screen due to static electricity after being frictionally charged in the air, the dust screen is controlled to release the charges firstly, so that the electrical property of part of the dust can be eliminated, and therefore, part of the dust is removed, and secondly, the dust screen is charged, so that the dust and the electric impurities in the dust screen are removed, and finally, the dust removal operation of the dust screen is completed.
Example two
Referring to fig. 2, a flow chart of the steps of a dust removing method according to the second embodiment of the present invention is shown.
The dust removal method provided by the embodiment of the invention comprises the following steps:
step 201: and when the dust removal control operation is received, controlling the first switch to be closed for a first preset time.
And when the first switch is closed, the dust screen releases charges.
As shown in fig. 3, a schematic diagram of a dust removal circuit, a mobile terminal includes a ground terminal 01, a first switch 02, a dust screen 03, a second switch 04, and a power module 05, which are connected in series in sequence.
It should be noted that, when the mobile terminal is in the non-dust removal mode, the dust screen is in the non-charging mode, that is, the first switch and the first switch are both in the off state, or the first switch is closed and the second switch is opened.
In this embodiment, there are many methods for receiving the dust removal control operation, for example: the mobile terminal is provided with a physical key, when the physical key is detected to be pressed, the first switch is closed when the dust removal control operation is received, or when a user presses a certain physical key for more than a preset time, the first switch is determined to be closed when the dust removal control operation is received, it needs to be noted that the preset time can be 1s, 2s, 3s and the like, and the preset time is not specifically limited in the embodiment of the invention.
When the first switch is closed, the dust screen is connected with the grounding end, and the electric property of the charged dust and the electric property of the impurities on the dust screen can be neutralized, so that the electrically neutralized dust and the electrically neutralized impurities fall off from the dust screen, and part of the dust and the impurities on the dust screen can be removed.
Step 202: and after the first preset time, the first switch is opened, and the second switch is closed.
And controlling the dust screen to release the charges with a first preset time length, wherein the first preset time length can be 1s, 2s, 3s and the like.
Step 203: and controlling the power supply module to input the positive polarity charges with the second preset time length to the dust screen so as to remove the positive polarity impurities of the dust screen.
Step 204: and controlling the power supply module to input negative polarity charges with a third preset time length to the dust screen so as to remove negative polarity impurities of the dust screen.
After the first preset time, part of impurities on the dust screen are removed, only the dust removal is incomplete due to the fact that charges are released, charged impurities and dust are still reserved on the dust screen, the dust screen needs to be charged, through the principle that like charges repel each other, when charges with positive polarity of the second preset time are input to the dust screen, impurities and dust with positive polarity on the dust screen are removed, when charges with negative polarity of the third preset time are input to the dust screen, impurities and dust with negative polarity on the dust screen are removed, wherein specific setting of the second preset time and the third preset time can be 1s, 2s, 3s and the like.
Step 205: and controlling the power supply module to input the positive polarity sharp pulse and the negative polarity sharp pulse with the fourth preset time length to the dust screen so as to remove residual impurities of the dust screen.
Through steps 203 to 204, the charged dust and impurities on the dust screen are removed, in order to further completely remove the dust and impurities of the dust screen, the power module is controlled to input a positive polarity spike and a negative polarity spike of a fourth preset time duration to the dust screen, the positive polarity spike and the negative polarity spike are transient sudden changes of voltage or current, the dust and impurities with stronger adsorption force can be completely removed, and the purpose of completely removing the dust and impurities of the dust screen is achieved.
Step 206: and opening the second switch and closing the first switch to release the electric charge carried by the dust screen.
Because after charging the dust screen, the dust screen is in the charged state, and the termination is to charging of dust screen, breaks off the second switch promptly, releases the electric charge of dust screen, then closes first switch for the dust screen is in the uncharged state, in order to realize reducing the absorption of dust and impurity, and certainly also when can breaking off first switch and second switch, the dust screen also is in the uncharged state.
In the embodiment of the invention, when the dust removal control operation is received, the dust screen is controlled to release the charge with the first preset time length, after the preset time length is received, the positive polarity charge or the negative polarity charge is charged to the dust screen so as to remove the positive polarity impurities and the negative polarity impurities of the dust screen, because the main reason that the dust is adsorbed to the dust screen is that the dust is attached to the dust screen due to static electricity in the air after frictional electrification, firstly, the dust screen is controlled to release the charge so as to eliminate part of the dust, secondly, the charging operation is carried out to the dust screen so as to remove the positive polarity dust and the negative polarity dust and impurities in the dust screen, further, in order to more thoroughly remove the dust and the impurities of the dust screen, the positive polarity and the negative polarity sharp pulses are input to the dust screen, and finally, the dust removal operation of the dust screen is completely finished, and the whole machine does not need to be disassembled, the dust and impurities of the dust screen can be automatically cleaned, and the dust screen is convenient for users to use.
EXAMPLE III
Referring to fig. 4, a block diagram of a mobile terminal according to a third embodiment of the present invention is shown.
The mobile terminal provided by the embodiment of the invention comprises: the receiving module 301 is configured to control a dust screen to release charges for a first preset time period when a dust removal control operation is received, where the dust screen is a conductive dust screen and is disposed inside the mobile terminal; the control module 302 is configured to charge the dust screen after the first preset time period, where the dust screen is dedusted in both the charge releasing and charging processes of the dust screen.
In the embodiment of the invention, when the dust removal control operation is received, the dust screen is controlled to release the charges for the first preset time, after the preset time, the dust screen is charged, the dust screen is dedusted in the charge release and charging processes of the dust screen, and the dust is adsorbed to the dust screen mainly because the dust is attached to the dust screen due to static electricity after being frictionally charged in the air, the dust screen is controlled to release the charges firstly, so that the electrical property of part of the dust can be eliminated, and therefore, part of the dust is removed, and secondly, the dust screen is charged, so that the dust and the electric impurities in the dust screen are removed, and finally, the dust removal operation of the dust screen is completed.
Example four
Referring to fig. 5, a block diagram of a mobile terminal according to a fourth embodiment of the present invention is shown.
The mobile terminal provided by the embodiment of the invention comprises: the mobile terminal comprises a receiving module 401, a control module and a control module, wherein the receiving module is used for controlling a dust screen to release charges with a first preset duration when a dust removal control operation is received, the dust screen is a conductive dust screen, and the dust screen is arranged in the mobile terminal; the control module 402 is configured to charge the dust screen after the first preset time period, where the dust screen is dedusted in both the charge releasing and charging processes of the dust screen.
Preferably, the mobile terminal includes a ground terminal, a first switch, a dust screen, a second switch and a power module that are connected in series in sequence, and the receiving module 401 is specifically configured to control the first switch to be closed for a first preset time period when receiving a dust removal control operation, wherein the dust screen releases charges when the first switch is closed.
Preferably, the control module 402 comprises: the first control submodule 4021 is configured to open the first switch and close the second switch after the first preset duration; the second control submodule 4022 is configured to control the power module to input a positive polarity charge for a second preset time period to the dust screen, so as to remove a positive polarity impurity of the dust screen; the third control sub-module 4023 is configured to control the power module to input negative polarity charges for a third preset time period to the dust screen, so as to remove negative polarity impurities of the dust screen.
Preferably, the control module 402 comprises: the fourth control sub-module 4024 is configured to, after the third control sub-module 4023 controls the power module to input a third preset time period of negative polarity charges to the dust screen to remove negative polarity impurities of the dust screen, control the power module to input a fourth preset time period of positive polarity spike and negative polarity spike to the dust screen to remove residual impurities of the dust screen.
Preferably, the mobile terminal further includes: and an opening module 403, configured to open the second switch and close the first switch to release the electric charge carried by the dust screen after the fourth control submodule controls the power supply module to input a positive voltage spike and a negative voltage spike of a fourth preset duration to the dust screen to remove the residual impurities in the dust screen.
The mobile terminal provided in the embodiment of the present invention can implement each process implemented by the mobile terminal in the method embodiments of fig. 1 to fig. 2, and is not described herein again to avoid repetition.
In the embodiment of the invention, when the dust removal control operation is received, the dust screen is controlled to release the charge with the first preset time length, after the preset time length is received, the positive polarity charge or the negative polarity charge is charged to the dust screen so as to remove the positive polarity impurities and the negative polarity impurities of the dust screen, because the main reason that the dust is adsorbed to the dust screen is that the dust is attached to the dust screen due to static electricity in the air after frictional electrification, firstly, the dust screen is controlled to release the charge so as to eliminate part of the dust, secondly, the charging operation is carried out to the dust screen so as to remove the positive polarity dust and the negative polarity dust and impurities in the dust screen, further, in order to more thoroughly remove the dust and the impurities of the dust screen, the positive polarity and the negative polarity sharp pulses are input to the dust screen, and finally, the dust removal operation of the dust screen is completely finished, and the whole machine does not need to be disassembled, the dust and impurities of the dust screen can be automatically cleaned, and the dust screen is convenient for users to use.
Figure 6 is a schematic diagram of a hardware configuration of a mobile terminal implementing various embodiments of the present invention,
referring to fig. 6, a hardware structure diagram of a mobile terminal for implementing various embodiments of the present invention is shown.
The mobile terminal 500 includes, but is not limited to: a radio frequency unit 501, a network module 502, an audio output unit 503, an input unit 504, a sensor 505, a display unit 506, a user input unit 507, an interface unit 508, a memory 509, a processor 510, and a power supply 511. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 6 is not intended to be limiting of mobile terminals, and that a mobile terminal may include more or fewer components than shown, or some components may be combined, or a different arrangement of components. In the embodiment of the present invention, the mobile terminal includes, but is not limited to, a mobile phone, a tablet computer, a notebook computer, a palm computer, a vehicle-mounted terminal, a wearable device, a pedometer, and the like.
A processor 510 for
When a dust removal control operation is received, controlling a dust screen to release charges for a first preset time, wherein the dust screen is a conductive dust screen and is arranged in the mobile terminal; and after the first preset time, charging the dust screen, wherein the dust screen is dedusted in the charge releasing and charging processes of the dust screen.
In the embodiment of the invention, when the dust removal control operation is received, the dust screen is controlled to release the charges for the first preset time, after the preset time, the dust screen is charged, the dust screen is dedusted in the charge release and charging processes of the dust screen, and the dust is adsorbed to the dust screen mainly because the dust is attached to the dust screen due to static electricity after being frictionally charged in the air, the dust screen is controlled to release the charges firstly, so that the electrical property of part of the dust can be eliminated, and therefore, part of the dust is removed, and secondly, the dust screen is charged, so that the dust and the electric impurities in the dust screen are removed, and finally, the dust removal operation of the dust screen is completed.
It should be understood that, in the embodiment of the present invention, the radio frequency unit 501 may be used for receiving and sending signals during a message sending and receiving process or a call process, and specifically, receives downlink data from a base station and then processes the received downlink data to the processor 510; in addition, the uplink data is transmitted to the base station. In general, radio frequency unit 501 includes, but is not limited to, an antenna, at least one amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, and the like. In addition, the radio frequency unit 501 can also communicate with a network and other devices through a wireless communication system.
The mobile terminal provides the user with wireless broadband internet access through the network module 502, such as helping the user send and receive e-mails, browse webpages, access streaming media, and the like.
The audio output unit 503 may convert audio data received by the radio frequency unit 501 or the network module 502 or stored in the memory 509 into an audio signal and output as sound. Also, the audio output unit 503 may also provide audio output related to a specific function performed by the mobile terminal 500 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 503 includes a speaker, a buzzer, a receiver, and the like.
The input unit 504 is used to receive an audio or video signal. The input Unit 504 may include a Graphics Processing Unit (GPU) 5041 and a microphone 5042, and the Graphics processor 5041 processes image data of a still picture or video obtained by an image capturing device (e.g., a camera) in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 506. The image frames processed by the graphic processor 5041 may be stored in the memory 509 (or other storage medium) or transmitted via the radio frequency unit 501 or the network module 502. The microphone 5042 may receive sounds and may be capable of processing such sounds into audio data. The processed audio data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 501 in case of the phone call mode.
The mobile terminal 500 also includes at least one sensor 505, such as a light sensor, motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that adjusts the brightness of the display panel 5061 according to the brightness of ambient light, and a proximity sensor that turns off the display panel 5061 and/or a backlight when the mobile terminal 500 is moved to the ear. As one of the motion sensors, the accelerometer sensor can detect the magnitude of acceleration in each direction (generally three axes), detect the magnitude and direction of gravity when stationary, and can be used to identify the posture of the mobile terminal (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), and vibration identification related functions (such as pedometer, tapping); the sensors 505 may also include fingerprint sensors, pressure sensors, iris sensors, molecular sensors, gyroscopes, barometers, hygrometers, thermometers, infrared sensors, etc., which are not described in detail herein.
The display unit 506 is used to display information input by the user or information provided to the user. The Display unit 506 may include a Display panel 5061, and the Display panel 5061 may be configured in the form of a Liquid Crystal Display (LCD), an Organic Light-Emitting Diode (OLED), or the like.
The user input unit 507 may be used to receive input numeric or character information and generate key signal inputs related to user settings and function control of the mobile terminal. Specifically, the user input unit 507 includes a touch panel 5071 and other input devices 5072. Touch panel 5071, also referred to as a touch screen, may collect touch operations by a user on or near it (e.g., operations by a user on or near touch panel 5071 using a finger, stylus, or any suitable object or attachment). The touch panel 5071 may include two parts of a touch detection device and a touch controller. The touch detection device detects the touch direction of a user, detects a signal brought by touch operation and transmits the signal to the touch controller; the touch controller receives touch information from the touch sensing device, converts the touch information into touch point coordinates, sends the touch point coordinates to the processor 510, and receives and executes commands sent by the processor 510. In addition, the touch panel 5071 may be implemented in various types such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. In addition to the touch panel 5071, the user input unit 507 may include other input devices 5072. In particular, other input devices 5072 may include, but are not limited to, a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, and a joystick, which are not described in detail herein.
Further, the touch panel 5071 may be overlaid on the display panel 5061, and when the touch panel 5071 detects a touch operation thereon or nearby, the touch operation is transmitted to the processor 510 to determine the type of the touch event, and then the processor 510 provides a corresponding visual output on the display panel 5061 according to the type of the touch event. Although in fig. 6, the touch panel 5071 and the display panel 5061 are two independent components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 5071 and the display panel 5061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.
The interface unit 508 is an interface through which an external device is connected to the mobile terminal 500. For example, the external device may include a wired or wireless headset port, an external power supply (or battery charger) port, a wired or wireless data port, a memory card port, a port for connecting a device having an identification module, an audio input/output (I/O) port, a video I/O port, an earphone port, and the like. The interface unit 508 may be used to receive input (e.g., data information, power, etc.) from external devices and transmit the received input to one or more elements within the mobile terminal 500 or may be used to transmit data between the mobile terminal 500 and external devices.
The memory 509 may be used to store software programs as well as various data. The memory 509 may mainly include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 509 may include high-speed random access memory, and may also include non-volatile memory, such as at least one magnetic disk storage device, flash memory device, or other volatile solid-state storage device.
The processor 510 is a control center of the mobile terminal, connects various parts of the entire mobile terminal using various interfaces and lines, and performs various functions of the mobile terminal and processes data by operating or executing software programs and/or modules stored in the memory 509 and calling data stored in the memory 509, thereby performing overall monitoring of the mobile terminal. Processor 510 may include one or more processing units; preferably, the processor 510 may integrate an application processor, which mainly handles operating systems, user interfaces, application programs, etc., and a modem processor, which mainly handles wireless communications. It will be appreciated that the modem processor described above may not be integrated into processor 510.
The mobile terminal 500 may further include a power supply 511 (e.g., a battery) for supplying power to various components, and preferably, the power supply 511 may be logically connected to the processor 510 via a power management system, so that functions of managing charging, discharging, and power consumption are performed via the power management system.
In addition, the mobile terminal 500 includes some functional modules that are not shown, and thus, are not described in detail herein.
Preferably, an embodiment of the present invention further provides a mobile terminal, which includes a processor 510, a memory 509, and a computer program that is stored in the memory 509 and can be run on the processor 510, and when the computer program is executed by the processor 510, the processes of the foregoing dust removal method embodiment are implemented, and the same technical effects can be achieved, and in order to avoid repetition, details are not described here again.
The embodiment of the present invention further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the computer program implements each process of the foregoing dust removal method embodiment, and can achieve the same technical effect, and in order to avoid repetition, details are not repeated here. The computer-readable storage medium may be a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
Through the above description of the embodiments, those skilled in the art will clearly understand that the method of the above embodiments can be implemented by software plus a necessary general hardware platform, and certainly can also be implemented by hardware, but in many cases, the former is a better implementation manner. Based on such understanding, the technical solutions of the present invention may be embodied in the form of a software product, which is stored in a storage medium (such as ROM/RAM, magnetic disk, optical disk) and includes instructions for enabling a terminal (such as a mobile phone, a computer, a server, an air conditioner, or a network device) to execute the method according to the embodiments of the present invention.
While the present invention has been described with reference to the embodiments shown in the drawings, the present invention is not limited to the embodiments, which are illustrative and not restrictive, and it will be apparent to those skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (5)
1. A dust removal method is applied to a mobile terminal, and is characterized by comprising the following steps:
when a dust removal control operation is received, controlling a dust screen to release charges for a first preset time, wherein the dust screen is a conductive dust screen and is arranged in the mobile terminal;
after the first preset time, charging the dust screen, wherein the dust screen is subjected to dust removal in the processes of releasing charges of the dust screen and charging;
the mobile terminal comprises a grounding end, a first switch, a dust screen, a second switch and a power module which are sequentially connected in series;
after the first preset time, the step of charging the dust screen includes:
after the first preset time, opening the first switch and closing the second switch;
controlling the power supply module to input positive polarity charges with a second preset time length to the dust screen so as to remove positive polarity impurities of the dust screen;
controlling the power supply module to input negative polarity charges with a third preset time length to the dust screen so as to remove negative polarity impurities of the dust screen;
after the step of controlling the power module to input the negative polarity charges of a third preset time length to the dust screen so as to remove the negative polarity impurities of the dust screen, the method further includes:
controlling the power supply module to input a positive polarity sharp pulse and a negative polarity sharp pulse of a fourth preset time length to the dust screen so as to remove residual impurities of the dust screen;
after the step of controlling the power module to input the positive voltage spike and the negative voltage spike of a fourth preset duration to the dust screen to remove the residual impurities of the dust screen, the method further includes:
and opening the second switch and closing the first switch to release the charges carried by the dust screen.
2. The method of claim 1, wherein the step of controlling the dust screen to discharge the electric charge for the first preset time period when the dust removal control operation is received comprises:
when the dust removal control operation is received, the first switch is controlled to be closed for a first preset time, wherein the dust screen releases charges when the first switch is closed.
3. A mobile terminal, characterized in that the mobile terminal comprises:
the mobile terminal comprises a receiving module, a control module and a control module, wherein the receiving module is used for controlling a dust screen to release charges with a first preset duration when a dust removal control operation is received, the dust screen is a conductive dust screen and is arranged in the mobile terminal;
the control module is used for charging the dust screen after the first preset time, wherein the dust screen is dedusted in the charge releasing and charging processes of the dust screen;
the mobile terminal comprises a grounding end, a first switch, a dust screen, a second switch and a power module which are sequentially connected in series;
the control module includes:
the first control submodule is used for switching off the first switch and switching on the second switch after the first preset time length;
the second control submodule is used for controlling the power supply module to input positive polarity charges with a second preset time length to the dust screen so as to remove positive polarity impurities of the dust screen;
the third control sub-module is used for controlling the power supply module to input negative polarity charges with a third preset time length to the dust screen so as to remove negative polarity impurities of the dust screen;
the control module includes:
the fourth control submodule is used for controlling the power supply module to input a positive polarity sharp pulse and a negative polarity sharp pulse of a fourth preset time length to the dust screen to remove residual impurities of the dust screen after the third control submodule controls the power supply module to input negative polarity charges of a third preset time length to the dust screen to remove negative polarity impurities of the dust screen;
the mobile terminal further includes:
and the disconnection module is used for disconnecting the second switch and closing the first switch to release the electric charge carried by the dust screen after the fourth control submodule controls the power supply module to input a positive voltage spike pulse and a negative voltage spike pulse of a fourth preset time length to the dust screen so as to remove residual impurities of the dust screen.
4. The mobile terminal according to claim 3, wherein the mobile terminal includes a ground terminal, a first switch, a dust screen, a second switch, and a power module, which are sequentially connected in series, and the receiving module is specifically configured to control the first switch to be closed for a first preset time period when a dust removal control operation is received, where the dust screen releases charges when the first switch is closed.
5. A mobile terminal, characterized in that it comprises a processor, a memory and a computer program stored on the memory and executable on the processor, which computer program, when executed by the processor, implements the steps of the dusting method according to any of claims 1 to 2.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810252899.4A CN108616650B (en) | 2018-03-26 | 2018-03-26 | Dust removal method and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810252899.4A CN108616650B (en) | 2018-03-26 | 2018-03-26 | Dust removal method and mobile terminal |
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| CN108616650B true CN108616650B (en) | 2021-01-08 |
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| CN109714670A (en) * | 2018-12-28 | 2019-05-03 | 努比亚技术有限公司 | Dust-proof network detecting method, mobile terminal and computer readable storage medium |
| CN109739324A (en) * | 2018-12-29 | 2019-05-10 | 努比亚技术有限公司 | Cooling control method, mobile terminal and computer readable storage medium |
| CN109683690A (en) * | 2018-12-29 | 2019-04-26 | 努比亚技术有限公司 | Cooling control method, mobile terminal and computer readable storage medium |
| CN109739130B (en) * | 2018-12-29 | 2022-07-12 | 努比亚技术有限公司 | Dust screen cleaning method, mobile terminal and computer readable storage medium |
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