CN111538390B - Method for controlling terminal temperature, terminal and computer readable storage medium - Google Patents
Method for controlling terminal temperature, terminal and computer readable storage medium Download PDFInfo
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- CN111538390B CN111538390B CN202010232241.4A CN202010232241A CN111538390B CN 111538390 B CN111538390 B CN 111538390B CN 202010232241 A CN202010232241 A CN 202010232241A CN 111538390 B CN111538390 B CN 111538390B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/206—Cooling means comprising thermal management
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
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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
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Abstract
The invention discloses a method for controlling the temperature of a terminal, the terminal and a computer readable storage medium, wherein the method comprises the steps of detecting the temperature value of the terminal when the terminal is in a charging mode, and starting a fan in the terminal to dissipate heat when the temperature value exceeds a preset temperature threshold value, so that the problem of charging efficiency caused by reducing charging power to control the temperature of the terminal is solved; the invention also discloses equipment and a computer readable storage medium, and by implementing the scheme, the system automatically detects the temperature of the terminal by utilizing the characteristic that the terminal is provided with the fan, and when the temperature of the terminal exceeds a certain threshold value, the fan is automatically started, so that the active heat dissipation characteristic of the fan is added into a charging scene, the temperature rise of the whole terminal is restrained, and the effect of ensuring the charging efficiency is also realized.
Description
Technical Field
The present invention relates to the field of communications technologies, and in particular, to a method for controlling a temperature of a terminal, and a computer-readable storage medium.
Background
At present, the 55W rapid electric charging power is large, and the short-time temperature rise of a charging IC (Integrated Circuit) and a battery cell is rapid. In the early stage of charging, the constant-current quick-charging stage leads to the extremely rapid rise of heat productivity due to the intervention of large current, the charging IC and the battery cell can quickly enter a self-protection state due to the fact that the charging temperature rise exceeds a preset threshold value, the charging current is greatly reduced, the high-power charging duration is short, the whole charging time is prolonged, and the charging efficiency is seriously affected.
In addition, during charging, the temperature rise of the whole machine needs to be controlled within a reasonable temperature range, otherwise complaints of users can be caused.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in the charging process of the terminal in the prior art, the charging efficiency is low due to the fact that the temperature of the whole terminal is controlled. In view of the technical problem, a method for controlling a temperature of a terminal, a terminal and a computer-readable storage medium are provided.
In order to solve the above technical problem, the present invention provides a method for controlling a terminal temperature, where the method for controlling the terminal temperature includes:
when the terminal is in a charging mode, detecting the temperature value of the terminal, and when the temperature value exceeds a preset temperature threshold value, starting a fan in the terminal to dissipate heat.
Optionally, the charging mode is a normal charging mode; when the temperature value exceeds a preset temperature threshold value, starting a fan in the terminal for heat dissipation comprises: and when the temperature value exceeds a first preset temperature threshold value, starting the fan.
Optionally, the method for controlling the terminal temperature includes: and when the temperature value does not exceed a first preset temperature threshold value and the duration time of the temperature value exceeds a first preset duration time threshold value, closing the fan.
Optionally, the charging mode is a fast charging mode; when the temperature value exceeds a preset temperature threshold value, starting a fan in the terminal for heat dissipation comprises: and when the temperature value exceeds a second preset temperature threshold value, starting the fan.
Optionally, the method for controlling the terminal temperature includes: and detecting a charging current value of the terminal, and reducing the charging current value according to a preset heating reduction rule according to the duration time of the temperature value when the temperature value exceeds a second preset temperature threshold value.
Optionally, reducing the charging current value according to a preset heating reduction rule according to the duration of the temperature value includes: when the duration time of the temperature value exceeds a second preset duration time threshold value, reducing the charging current value to a first preset charging current value; or when the duration time of the temperature value exceeds a second preset duration time threshold value, reducing the charging current value by a preset current value.
Optionally, the method for controlling the terminal temperature further includes: and when the temperature value does not exceed a second preset temperature threshold value and the charging current value does not exceed a second charging current value, closing the fan.
Optionally, the method for controlling the terminal temperature further includes: and when the temperature value does not exceed a second preset temperature threshold value and the duration time of the temperature value exceeds a third preset duration time threshold value, the fan is turned off.
Further, the invention also provides a terminal, which comprises a processor, a memory and a communication bus; the communication bus is used for realizing connection communication between the processor and the memory; the processor is configured to execute one or more programs stored in the memory to implement the steps of the method of controlling the temperature of the terminal as described above.
Further, the present invention also provides a computer-readable storage medium storing one or more programs, which are executable by one or more processors to implement the steps of the method of controlling the temperature of a terminal as described above.
Advantageous effects
The invention provides a method for controlling the temperature of a terminal, the terminal and a computer readable storage medium, aiming at the defect that the charging efficiency is low due to the fact that the temperature of the whole terminal is controlled to rise in the charging process of the existing terminal, the temperature value of the terminal is detected when the terminal is in a charging mode, when the temperature value exceeds a preset temperature threshold value, a fan in the terminal is started to dissipate heat, the problem that the charging efficiency is caused by the fact that the temperature of the terminal is controlled by reducing the charging power is solved, the terminal temperature is automatically detected by a system by utilizing the characteristic that the terminal is provided with the fan, when the temperature of the terminal exceeds a certain threshold value, the fan is automatically started, and therefore the active heat dissipation characteristic of the fan is added into a charging scene, the temperature rise of the whole terminal is restrained, and the charging efficiency is guaranteed.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic diagram of a hardware structure of an optional mobile terminal for implementing various embodiments of the present invention.
FIG. 2 is a schematic diagram of a wireless communication system of the mobile terminal shown in FIG. 1;
fig. 3 is a basic flowchart of a method for controlling a terminal temperature according to a first embodiment of the present invention;
fig. 4 is a detailed flowchart of a method for controlling a terminal temperature according to a second embodiment of the present invention;
fig. 5 is a schematic structural diagram of a terminal according to a third embodiment of the present invention.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
In the following description, suffixes such as "module", "component", or "unit" used to denote elements are used only for facilitating the explanation of the present invention, and have no specific meaning in itself. Thus, "module", "component" or "unit" may be used mixedly.
The terminal may be implemented in various forms. For example, the terminal described in the present invention may include a mobile terminal such as a mobile phone, a tablet computer, a notebook computer, a palmtop computer, a Personal Digital Assistant (PDA), a Portable Media Player (PMP), a navigation device, a wearable device, a smart band, a pedometer, and the like, and a fixed terminal such as a Digital TV, a desktop computer, and the like.
The following description will be given by way of example of a mobile terminal, and it will be understood by those skilled in the art that the configuration according to the embodiment of the present invention can be applied to a fixed type terminal, in addition to elements particularly used for mobile purposes.
Referring to fig. 1, which is a schematic diagram of a hardware structure of a mobile terminal for implementing various embodiments of the present invention, the mobile terminal 100 may include: RF (Radio Frequency) unit 101, WiFi module 102, audio output unit 103, a/V (audio/video) input unit 104, sensor 105, display unit 106, user input unit 107, interface unit 108, memory 109, processor 110, and power supply 111. Those skilled in the art will appreciate that the mobile terminal architecture shown in fig. 1 is not intended to be limiting of mobile terminals, which may include more or fewer components than those shown, or some components may be combined, or a different arrangement of components.
The following describes each component of the mobile terminal in detail with reference to fig. 1:
the radio frequency unit 101 may be configured to receive and transmit signals during information transmission and reception or during a call, and specifically, receive downlink information of a base station and then process the downlink information to the processor 110; in addition, the uplink data is transmitted to the base station. Typically, radio frequency unit 101 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 101 can also communicate with a network and other devices through wireless communication. The wireless communication may use any communication standard or protocol, including but not limited to GSM (Global System for Mobile communications), GPRS (General Packet Radio Service), CDMA2000(Code Division Multiple Access 2000), WCDMA (Wideband Code Division Multiple Access), TD-SCDMA (Time Division-Synchronous Code Division Multiple Access), FDD-LTE (Frequency Division duplex Long Term Evolution), and TDD-LTE (Time Division duplex Long Term Evolution).
WiFi belongs to short-distance wireless transmission technology, and the mobile terminal can help a user to receive and send e-mails, browse webpages, access streaming media and the like through the WiFi module 102, and provides wireless broadband internet access for the user. Although fig. 1 shows the WiFi module 102, it is understood that it does not belong to the essential constitution of the mobile terminal, and may be omitted entirely as needed within the scope not changing the essence of the invention.
The audio output unit 103 may convert audio data received by the radio frequency unit 101 or the WiFi module 102 or stored in the memory 109 into an audio signal and output as sound when the mobile terminal 100 is in a call signal reception mode, a call mode, a recording mode, a voice recognition mode, a broadcast reception mode, or the like. Also, the audio output unit 103 may also provide audio output related to a specific function performed by the mobile terminal 100 (e.g., a call signal reception sound, a message reception sound, etc.). The audio output unit 103 may include a speaker, a buzzer, and the like.
The a/V input unit 104 is used to receive audio or video signals. The a/V input Unit 104 may include a Graphics Processing Unit (GPU) 1041 and a microphone 1042, the Graphics processor 1041 Processing image data of still pictures 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 106. The image frames processed by the graphic processor 1041 may be stored in the memory 109 (or other storage medium) or transmitted via the radio frequency unit 101 or the WiFi module 102. The microphone 1042 may receive sounds (audio data) via the microphone 1042 in a phone call mode, a recording mode, a voice recognition mode, or the like, and may be capable of processing such sounds into audio data. The processed audio (voice) data may be converted into a format output transmittable to a mobile communication base station via the radio frequency unit 101 in case of a phone call mode. The microphone 1042 may implement various types of noise cancellation (or suppression) algorithms to cancel (or suppress) noise or interference generated in the course of receiving and transmitting audio signals.
The mobile terminal 100 also includes at least one sensor 105, such as a light sensor, a motion sensor, and other sensors. Specifically, the light sensor includes an ambient light sensor that can adjust the brightness of the display panel 1061 according to the brightness of ambient light, and a proximity sensor that can turn off the display panel 1061 and/or a backlight when the mobile terminal 100 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), can detect the magnitude and direction of gravity when stationary, and can be used for applications of recognizing the posture of a mobile phone (such as horizontal and vertical screen switching, related games, magnetometer posture calibration), vibration recognition related functions (such as pedometer and tapping), and the like; as for other sensors such as a fingerprint sensor, a pressure sensor, an iris sensor, a molecular sensor, a gyroscope, a barometer, a hygrometer, a thermometer, and an infrared sensor, which can be configured on the mobile phone, further description is omitted here.
The display unit 106 is used to display information input by a user or information provided to the user. The Display unit 106 may include a Display panel 1061, and the Display panel 1061 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 107 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 107 may include a touch panel 1071 and other input devices 1072. The touch panel 1071, also referred to as a touch screen, may collect a touch operation performed by a user on or near the touch panel 1071 (e.g., an operation performed by the user on or near the touch panel 1071 using a finger, a stylus, or any other suitable object or accessory), and drive a corresponding connection device according to a predetermined program. The touch panel 1071 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 110, and can receive and execute commands sent by the processor 110. In addition, the touch panel 1071 may be implemented in various types, such as a resistive type, a capacitive type, an infrared ray, and a surface acoustic wave. The user input unit 107 may include other input devices 1072 in addition to the touch panel 1071. In particular, other input devices 1072 may include, but are not limited to, one or more of a physical keyboard, function keys (e.g., volume control keys, switch keys, etc.), a trackball, a mouse, a joystick, and the like, and are not limited to these specific examples.
Further, the touch panel 1071 may cover the display panel 1061, and when the touch panel 1071 detects a touch operation thereon or nearby, the touch panel 1071 transmits the touch operation to the processor 110 to determine the type of the touch event, and then the processor 110 provides a corresponding visual output on the display panel 1061 according to the type of the touch event. Although the touch panel 1071 and the display panel 1061 are shown in fig. 1 as two separate components to implement the input and output functions of the mobile terminal, in some embodiments, the touch panel 1071 and the display panel 1061 may be integrated to implement the input and output functions of the mobile terminal, and is not limited herein.
The interface unit 108 serves as an interface through which at least one external device is connected to the mobile terminal 100. 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 108 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 100 or may be used to transmit data between the mobile terminal 100 and external devices.
The memory 109 may be used to store software programs as well as various data. The memory 109 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 109 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 110 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 109 and calling data stored in the memory 109, thereby performing overall monitoring of the mobile terminal. Processor 110 may include one or more processing units; preferably, the processor 110 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 the processor 110.
The mobile terminal 100 may further include a power supply 111 (e.g., a battery) for supplying power to various components, and preferably, the power supply 111 may be logically connected to the processor 110 via a power management system, so as to manage charging, discharging, and power consumption management functions via the power management system.
Although not shown in fig. 1, the mobile terminal 100 may further include a bluetooth module or the like, which is not described in detail herein.
In order to facilitate understanding of the embodiments of the present invention, a communication network system on which the mobile terminal of the present invention is based is described below.
Referring to fig. 2, fig. 2 is an architecture diagram of a communication Network system according to an embodiment of the present invention, where the communication Network system is an LTE system of a universal mobile telecommunications technology, and the LTE system includes a UE (User Equipment) 201, an E-UTRAN (Evolved UMTS Terrestrial Radio Access Network) 202, an EPC (Evolved Packet Core) 203, and an IP service 204 of an operator, which are in communication connection in sequence.
Specifically, the UE201 may be the terminal 100 described above, and is not described herein again.
The E-UTRAN202 includes eNodeB2021 and other eNodeBs 2022, among others. The eNodeB2021 may be connected with other eNodeB2022 via backhaul (e.g., X2 interface), the eNodeB2021 is connected to the EPC203, and the eNodeB2021 may provide the UE201 access to the EPC 203.
The EPC203 may include an MME (Mobility Management Entity) 2031, an HSS (Home Subscriber Server) 2032, other MMEs 2033, an SGW (Serving gateway) 2034, a PGW (PDN gateway) 2035, and a PCRF (Policy and Charging Rules Function) 2036, and the like. The MME2031 is a control node that handles signaling between the UE201 and the EPC203, and provides bearer and connection management. HSS2032 is used to provide registers to manage functions such as home location register (not shown) and holds subscriber specific information about service characteristics, data rates, etc. All user data may be sent through SGW2034, PGW2035 may provide IP address assignment for UE201 and other functions, and PCRF2036 is a policy and charging control policy decision point for traffic data flow and IP bearer resources, which selects and provides available policy and charging control decisions for a policy and charging enforcement function (not shown).
Although the LTE system is described as an example, it should be understood by those skilled in the art that the present invention is not limited to the LTE system, but may also be applied to other wireless communication systems, such as GSM, CDMA2000, WCDMA, TD-SCDMA, and future new network systems.
Based on the hardware structure of the mobile terminal and the communication network system, the embodiments of the method of the invention are provided.
First embodiment
In order to solve the problem of low charging efficiency caused by controlling the temperature rise of the whole terminal in the charging process of the existing terminal, the present embodiment provides a method for controlling the temperature of the terminal, and fig. 3 is a basic flowchart of the method for controlling the temperature of the terminal provided by the present embodiment, where the method for controlling the temperature of the terminal includes:
s301, when the terminal is in a charging mode;
s302, detecting a temperature value of the terminal;
s303, when the temperature value exceeds a preset temperature threshold value;
and S304, starting a fan in the terminal to dissipate heat.
Through the steps, the problem of charging efficiency caused by the fact that the temperature of the terminal is controlled by reducing charging power is solved, the temperature of the terminal is automatically detected by a system by utilizing the characteristic that the terminal is provided with a fan, and when the temperature of the terminal exceeds a certain threshold value, the fan is automatically started, so that the active heat dissipation characteristic of the fan is added into a charging scene, the temperature rise of the whole terminal is restrained, and the charging efficiency is guaranteed.
In some embodiments, the charging mode includes a normal charging mode and a fast charging mode; in the fast charge mode, the required time is shortened by increasing the charge power, such as increasing the voltage, increasing the current, and simultaneously increasing the voltage and the current. For example, 55W is charged quickly, the electric power is large, and the short-time temperature rise of the charging IC and the battery cell is rapid.
It is understood that, before the steps 301 and 304, it is determined whether the terminal is powered on, for example, the terminal detects that the charging chip is activated, and determines that the terminal is plugged into the power supply. Meanwhile, the method for accessing the terminal into the power supply comprises the following steps: the terminal is connected with the charger, the mobile power supply and the terminal. When the terminal is plugged into the charger, it needs to further determine whether the charger supports PD (Power Delivery, charging protocol) fast charging, and if the charger supports PD fast charging, the terminal enters a fast charging mode, such as a 55W fast charging mode. In some embodiments, when it is determined that the PD fast charge is supported by the charger, it is further detected that the screen of the terminal is in a screen-off state, and the battery voltage is less than a predetermined threshold, and the 55W fast charge mode is used for charging. The terminal is ensured to adopt a quick charging mode under extremely low electric quantity, and the times or time of using the quick charging mode is reduced, so that the battery is protected, and the service life of the battery is prolonged.
In some embodiments, the charging mode is a normal charging mode, and the fan is turned on when the temperature value exceeds a first preset temperature threshold. And when the temperature value does not exceed a first preset temperature threshold value and the duration time of the temperature value exceeds a first preset duration time threshold value, closing the fan.
It can be understood that the terminal system can automatically detect the terminal temperature, and when the overall terminal temperature exceeds a certain threshold value, the fan can be automatically started to actively dissipate heat. The application scenarios include, but are not limited to, during charging, and during program operation, the terminal is placed at a high temperature. The terminal can detect the temperature of the terminal at regular time and control the fan to start when the temperature of the terminal reaches a preset threshold value; the terminal temperature is controlled within a reasonable temperature range all the time, and the phenomenon that a user is overheated and scalded when using the terminal is avoided, so that the user is worried about and unsatisfied.
In some embodiments, the charging mode is a fast charging mode, and the fan is turned on when the temperature value exceeds a second preset temperature threshold.
It can be understood that, in the fast charge mode, because the temperature of the battery rises quickly in a short time, in order to perform heat dissipation optimization, the built-in fan can be controlled to start when the battery is determined to be in the fast charge mode, so that the battery enters the wind-controlled fast charge mode. And when the temperature value exceeds a preset temperature threshold value, the built-in fan is started, so that the heat dissipation and the temperature reduction of the battery and the whole machine are accelerated, the high-power quick charge is ensured to be more durable, and the effect of charging more electric quantity in a shorter time is achieved.
In some embodiments, the method of controlling the terminal temperature includes:
and detecting a charging current value of the terminal, and reducing the charging current value according to a preset heating reduction rule according to the duration time of the temperature value when the temperature value exceeds a second preset temperature threshold value.
It can be understood that after the built-in fan is started, the heat dissipation effect cannot reach an ideal state in a short time, and the heat productivity can be reduced by reducing the charging current, so that the temperature of the terminal is ensured to be in a reasonable range.
It should be noted that, according to the duration of the temperature value, the reducing the charging current value according to the preset heat generation reduction rule includes any one of the following manners:
when the duration time of the temperature value exceeds a second preset duration time threshold value, reducing the charging current value to a first preset charging current value;
when the duration time of the temperature value exceeds a second preset duration time threshold value, reducing the charging current value by a preset current value;
and when the duration time of the temperature value exceeds a second preset duration time threshold value, reducing the charging current value to a first preset charging current value, and if the duration time of the temperature value exceeds a third preset duration time threshold value, reducing the charging current value to a preset current value.
It can be understood that, the second and third preset duration thresholds, the first preset charging current value, and the preset current value may be reasonably set by a user according to actual needs, or may be pre-stored in the terminal.
For example, the second preset temperature threshold is tfeng, and the detected terminal temperature value is T; when T is larger than or equal to Twind and the duration time exceeds a preset duration time threshold value time1, reducing the charging current I to 8A; when T is larger than or equal to Twind and the duration time exceeds a preset duration time threshold value time2, reducing the charging current I to 6A; and when the T is larger than or equal to Twind and the duration exceeds a preset duration threshold time3, reducing the charging current I by 1A. Wherein time1 < time2 < time 3.
In some embodiments, after the fan is started in the fast charging mode, the fan may be automatically turned off when the fast charging is in the temperature rise and current balance phase, including but not limited to any of the following situations:
and when the temperature value does not exceed a second preset temperature threshold value and the charging current value does not exceed a second charging current value, closing the fan.
And when the temperature value does not exceed a second preset temperature threshold value and the duration time of the temperature value exceeds a third preset duration time threshold value, the fan is turned off.
In some embodiments, during the charging process, if it is detected that the terminal is disconnected from the charger, the charging mode is exited.
In some embodiments, the number of fans includes but is not limited to 1, 2, and 3, and the number, shape, and position of the fans in the terminal can be set as appropriate according to the needs of the actual situation. Meanwhile, the wind speed of the fan can be set according to actual requirements.
The method for controlling the temperature of the terminal provided by the embodiment realizes the effect that the temperature of the terminal is automatically detected by a system by utilizing the characteristic that the terminal is provided with the fan, and the fan is automatically started when the temperature of the terminal exceeds a certain threshold value, so that the active heat dissipation characteristic of the fan is added into a charging scene, the temperature rise of the whole terminal is inhibited, and the charging efficiency is ensured.
Second embodiment
For a better understanding of the present invention, the present implementation provides a specific method of controlling the terminal temperature. Fig. 4 is a detailed flowchart of a method for controlling a terminal temperature according to a second embodiment of the present invention, where the method for controlling the terminal temperature includes:
s401, the terminal detects that the terminal is connected with a charger.
S402, judging whether a quick charging condition is met, if the fact that the charger supports PD quick charging is determined, and meanwhile, the terminal screen is in a screen-rest state, the battery voltage is smaller than a preset voltage threshold value of 4.25V, executing S403, entering a 55W quick charging mode, and setting a charging current to be I-10A at the moment; step current is i ═ 2A; otherwise, go to S416 and enter the normal charging mode.
S404, after entering a 55W quick charging mode, maintaining the charging current at 10A; monitoring the terminal temperature (i.e., the battery thermistor temperature T); and if the terminal temperature T is monitored to exceed a preset temperature threshold Twind, S405 is executed, a fan is started, and a wind-control rapid charging mode is entered.
S406, if the terminal temperature T is monitored to exceed a preset temperature threshold Twind, and the duration time of the terminal temperature T exceeds a preset time threshold time 1; s407 is performed to reduce the charging current to 8A.
S408, if the terminal temperature T is monitored to exceed a preset temperature threshold tufeng, and the duration time of the terminal temperature T exceeds a preset time threshold time 2; s409 reduces the charging current to 6A.
S410, if the terminal temperature T is monitored to exceed a preset temperature threshold Twind, and the duration time of the terminal temperature T exceeds a preset time threshold time 3; s411 is executed to decrease the charging current by 1A.
S412, if the terminal temperature T is not more than a preset temperature threshold value tufeng and the charging current is not more than 4A; executing S413, turning off the fan, and exiting from the wind-controlled rapid charging mode;
s414, if the charging voltage is monitored to exceed the preset voltage threshold value by 4.25V; step S415 is executed to enter the trickle charge mode and display the status bar electric quantity to 100%.
S417, after entering a common charging mode, if the terminal temperature T is monitored to exceed a preset temperature threshold T0; and S418, starting the fan, and entering an intelligent heat dissipation mode.
S419, if the terminal temperature T is monitored to exceed a preset temperature threshold T0, and the duration time exceeds a preset time threshold time; and S420, turning off the fan.
S421, the terminal monitors that the terminal is disconnected with the charger; and S422, exiting the charging mode.
The method for controlling the temperature of the terminal provided by the embodiment realizes the effects that the temperature of the terminal is automatically detected by a system by utilizing the characteristic that the terminal is provided with the fan, and the fan is automatically started when the temperature of the terminal exceeds a certain threshold value, so that the active heat dissipation characteristic of the fan is added into a charging scene, the temperature rise of the whole terminal is restrained, and the charging efficiency is ensured. In addition, under the mode of filling soon, after opening the fan, when the terminal temperature still exceeded certain threshold value for a long time, can also reduce calorific capacity through reducing charging current, guarantee that the terminal temperature is in reasonable within range.
Third embodiment
The present embodiment provides a terminal, as shown in fig. 5, which includes a processor 501, a memory 503 and a communication bus 502, wherein:
the communication bus 502 is used for realizing connection communication between the processor 501 and the memory 503; the processor 501 is configured to execute one or more programs stored in the memory 503 to implement the following steps:
s301, when the terminal is in a charging mode;
s302, detecting a temperature value of the terminal;
s303, when the temperature value exceeds a preset temperature threshold value;
and S304, starting a fan in the terminal to dissipate heat.
Through the steps, the problem of charging efficiency caused by the fact that the temperature of the terminal is controlled by reducing the charging power is solved, the temperature of the terminal is automatically detected by a system by utilizing the characteristic that the terminal is provided with the fan, and when the temperature of the terminal exceeds a certain threshold value, the fan is automatically started, so that the active heat dissipation characteristic of the fan is added into a charging scene, the temperature rise of the whole terminal is restrained, and the charging efficiency is guaranteed.
In some embodiments, the charging mode includes a normal charging mode and a fast charging mode; in the fast charge mode, the required time is shortened by increasing the charge power, such as increasing the voltage, increasing the current, and increasing the voltage and current. For example, 55W is charged quickly, the electric power is large, and the short-time temperature rise of the charging IC and the battery cell is rapid.
It is understood that, before the steps 301 and 304, it is determined whether the terminal is powered on, for example, the terminal detects that the charging chip is activated, and determines that the terminal is plugged into the power supply. Meanwhile, the method for accessing the terminal into the power supply comprises the following steps: the terminal is connected with the charger, the mobile power supply and the terminal. When the terminal is plugged into the charger, it needs to further determine whether the charger supports PD (Power Delivery, charging protocol) fast charging, and if the charger supports PD fast charging, the terminal enters a fast charging mode, such as a 55W fast charging mode. In some embodiments, when it is determined that the PD fast charge is supported by the charger, it is further detected that the screen of the terminal is in a screen-off state, and the battery voltage is less than a predetermined threshold, and the 55W fast charge mode is used for charging. The terminal is ensured to adopt a quick charging mode under extremely low electric quantity, and the times or time of using the quick charging mode is reduced, so that the battery is protected, and the service life of the battery is prolonged.
In some embodiments, the charging mode is a normal charging mode, and the fan is turned on when the temperature value exceeds a first preset temperature threshold. And when the temperature value does not exceed a first preset temperature threshold value and the duration time of the temperature value exceeds a first preset duration time threshold value, closing the fan.
It can be understood that the terminal system can automatically detect the terminal temperature, and when the overall terminal temperature exceeds a certain threshold value, the fan can be automatically started to actively dissipate heat. The application scenarios include, but are not limited to, during charging, and during program operation, the terminal is placed at a high temperature. The terminal can detect the temperature of the terminal at regular time and control the fan to start when the temperature of the terminal reaches a preset threshold value; the terminal temperature is controlled within a reasonable temperature range all the time, and the phenomenon that a user is overheated and scalded when using the terminal is avoided, so that the user is worried about and unsatisfied.
In some embodiments, the charging mode is a fast charging mode, and the fan is turned on when the temperature value exceeds a second preset temperature threshold.
It can be understood that, in the fast charge mode, because the temperature of the battery rises quickly in a short time, in order to perform heat dissipation optimization, the built-in fan can be controlled to start when the battery is determined to be in the fast charge mode, so that the battery enters the wind-controlled fast charge mode. And when the temperature value exceeds a preset temperature threshold value, the built-in fan is started, so that the heat dissipation and cooling of the battery and the whole machine are accelerated, the high-power quick charging is ensured to be more durable, and the effect of charging more electric quantity in a shorter time is achieved.
In some embodiments, the method of controlling the terminal temperature includes:
and detecting the charging current value of the terminal, and when the temperature value exceeds a second preset temperature threshold value, reducing the charging current value according to a preset heating reduction rule according to the duration time of the temperature value.
It can be understood that after the built-in fan is started, the heat dissipation effect cannot reach an ideal state in a short time, and the heat productivity can be reduced by reducing the charging current, so that the temperature of the terminal is ensured to be in a reasonable range.
It should be noted that, according to the duration of the temperature value, the reducing the charging current value according to the preset heat generation reduction rule includes any one of the following manners:
when the duration time of the temperature value exceeds a second preset duration time threshold value, reducing the charging current value to a first preset charging current value;
when the duration time of the temperature value exceeds a second preset duration time threshold value, reducing the charging current value by a preset current value;
and when the duration time of the temperature value exceeds a second preset duration time threshold value, reducing the charging current value to a first preset charging current value, and if the duration time of the temperature value exceeds a third preset duration time threshold value, reducing the charging current value to a preset current value.
For example, the second preset temperature threshold is tfeng, and the detected terminal temperature value is T; when T is larger than or equal to Twind and the duration time exceeds a preset duration time threshold value time1, reducing the charging current I to 8A; when T is larger than or equal to Twind and the duration time exceeds a preset duration time threshold value time2, reducing the charging current I to 6A; and when the T is larger than or equal to Twind and the duration exceeds a preset duration threshold time3, reducing the charging current I by 1A. Wherein time1 < time2 < time 3.
In some embodiments, after the fan is started in the fast charging mode, the fan may be automatically turned off when the fast charging is in the temperature rise and current balance phase, including but not limited to any of the following situations:
and when the temperature value does not exceed a second preset temperature threshold value and the charging current value does not exceed a second charging current value, closing the fan.
And when the temperature value does not exceed a second preset temperature threshold value and the duration time of the temperature value exceeds a third preset duration time threshold value, the fan is turned off.
In some embodiments, during the charging process, if it is detected that the terminal is disconnected from the charger, the charging mode is exited.
In some embodiments, the number of fans includes, but is not limited to, 1, 2, and 3, and the number, shape, and location of the fans can be set as appropriate according to the needs of the actual situation. Meanwhile, the wind speed of the fan can be set according to actual requirements.
The terminal that this embodiment provided has realized utilizing the terminal from the characteristics of taking the fan, and system automated inspection terminal temperature when the temperature at terminal surpasss certain threshold value, opens the fan automatically to add the initiative heat dissipation characteristic of fan in the scene of charging, both restrained whole terminal temperature rise, guarantee the effect of charging efficiency again.
Fourth embodiment
The present embodiment provides a computer-readable storage medium, which is characterized by storing one or more programs, which are executable by one or more processors, to implement the steps of the method for controlling the temperature of a terminal as in the above embodiments.
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.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments. 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 (6)
1. A method for controlling a terminal temperature, the method comprising:
when the terminal is in a charging mode, detecting a temperature value of the terminal, and when the temperature value exceeds a preset temperature threshold value, starting a fan in the terminal to dissipate heat;
the method for controlling the terminal temperature comprises the following steps:
detecting a charging current value of the terminal, and when the temperature value exceeds a second preset temperature threshold value, reducing the charging current value according to a preset heating reduction rule according to the duration time of the temperature value, and when the duration time of the temperature value exceeds a second preset duration threshold value, reducing the charging current value to a first preset charging current value, or when the duration time of the temperature value exceeds a second preset duration threshold value, reducing the charging current value to a preset current value;
when the temperature value does not exceed a second preset temperature threshold value and the charging current value does not exceed a second charging current value, the fan is turned off;
when it is determined that the charger supports quick charging, the terminal is charged in a quick charging mode only when the screen of the terminal is detected to be in a screen-off state and the voltage of the battery is smaller than a preset threshold value.
2. The method of controlling a terminal temperature according to claim 1, wherein the charging mode is a normal charging mode;
when the temperature value exceeds a preset temperature threshold value, starting a fan in the terminal for heat dissipation comprises:
and when the temperature value exceeds a first preset temperature threshold value, starting the fan.
3. The method of controlling a terminal temperature according to claim 2, wherein the method of controlling a terminal temperature comprises:
and when the temperature value does not exceed a first preset temperature threshold value and the duration time of the temperature value exceeds a first preset duration time threshold value, closing the fan.
4. The method of controlling a terminal temperature according to claim 3, wherein the method of controlling a terminal temperature further comprises:
and when the temperature value does not exceed a second preset temperature threshold value and the duration time of the temperature value exceeds a third preset duration time threshold value, the fan is turned off.
5. A terminal, comprising a processor, a memory, and a communication bus;
the communication bus is used for realizing connection communication between the processor and the memory;
the processor is configured to execute one or more programs stored in the memory to implement the steps of the method of controlling the temperature of the terminal as claimed in any one of claims 1 to 4.
6. A computer readable storage medium, characterized in that the computer readable storage medium stores one or more programs, which are executable by one or more processors, to implement the steps of the method of controlling the temperature of a terminal according to any one of claims 1 to 4.
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