CN106654424A - Charging method and terminal - Google Patents
Charging method and terminal Download PDFInfo
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- CN106654424A CN106654424A CN201611082758.XA CN201611082758A CN106654424A CN 106654424 A CN106654424 A CN 106654424A CN 201611082758 A CN201611082758 A CN 201611082758A CN 106654424 A CN106654424 A CN 106654424A
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- 238000004891 communication Methods 0.000 description 26
- 230000006870 function Effects 0.000 description 8
- 238000010295 mobile communication Methods 0.000 description 7
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
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- H02J7/0091—
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a charging method and terminal. The charging method comprises the steps of detecting a battery temperature in a charging process; when the battery temperature achieves a preset upper limit threshold value, controlling a charging mode to be switched to a slow charging mode; and when the battery temperature is less than a preset lower limit threshold value, controlling the charging mode to be switched to a quick charging mode. By virtue of the charging method, safety accidents caused by heating of a battery in the charging process can be effectively prevented; and meanwhile, charging efficiency is also taken into consideration, charging time consumption is reduced, and user experience is improved.
Description
Technical Field
The present application relates to the field of terminal technologies, and in particular, to a charging method and a terminal.
Background
Nowadays, mobile terminals are widely used in various aspects of people's life.
In the related art, there are two modes for charging a mobile terminal: fast charging and slow charging. The fast charging mode has large current, so that the temperature of the equipment can be rapidly increased; the slow charging mode has small current, the equipment is relatively stable in the slow charging mode, the heating is relatively slow, but the charging time is relatively long. At present, the charging mode of the mobile terminal can only adopt one of the modes for charging, and the mobile terminal does not have the function of automatically switching the charging mode. Even if the mobile terminal supports the switching of the charging mode, the user often adopts the quick charging mode when using the mobile terminal, and the situation that the temperature of the corresponding mobile terminal is too high and even explosion occurs due to charging is difficult to avoid.
For the problem of how to prevent the mobile terminal from causing the too high temperature of the device and even causing the safety accident due to charging in the related art, no effective solution is proposed at present.
Disclosure of Invention
In order to solve the above technical problem, embodiments of the present invention provide a charging method and a terminal.
The embodiment of the invention provides the following steps:
a method of charging, comprising:
detecting the temperature of the battery in the charging process;
when the temperature of the battery reaches a preset upper limit threshold value, controlling a charging mode to be switched to a slow charging mode;
and when the temperature of the battery is lower than a preset lower limit threshold, controlling the charging mode to be switched to a quick charging mode.
Wherein, when the battery temperature reaches the predetermined upper limit threshold value, control the mode of charging and switch to the mode of slowly charging, include:
generating a first switching signal when the battery temperature reaches the upper threshold;
and controlling the charging mode to be switched to a slow charging mode based on the first switching signal.
Wherein, based on the first switching signal, controlling the charging mode to be switched to the slow charging mode comprises:
converting the first switching signal into a first instruction indicative of a buck or a down flow;
and adjusting the current charging voltage to be reduced to a voltage level specified by the slow charging mode or adjusting the current charging current to be reduced to a current level specified by the slow charging mode according to the first instruction indicating voltage reduction or current reduction.
When the battery temperature is lower than a preset lower limit threshold, controlling the charging mode to be switched to a quick charging mode, including:
generating a second switching signal when the battery temperature is lower than the lower threshold;
and controlling the charging mode to be switched to the quick charging mode based on the second switching signal.
Wherein, based on the second switching signal, controlling the charging mode to be switched to the fast charging mode, including:
converting the second switching signal to a second command indicative of boosting or up-flow;
and adjusting the current charging voltage to rise to a voltage level specified by the fast charging mode or adjusting the current charging current to rise to a current level specified by the fast charging mode according to the second instruction indicating boosting or current rising.
A terminal, comprising: the device comprises a temperature detection module and a switching module; wherein,
the temperature detection module is used for detecting the temperature of the battery in the charging process, indicating the switching module when the temperature of the battery reaches a preset upper limit threshold value, and indicating the switching module when the temperature of the battery is lower than a preset lower limit threshold value;
the switching module is used for controlling the charging mode to be switched to the slow charging mode when the temperature of the battery reaches a preset upper limit threshold value; and the control module is used for controlling the charging mode to be switched to the quick charging mode when the battery temperature is lower than a preset lower limit threshold value.
The temperature detection module is specifically configured to generate a first switching signal when the battery temperature reaches a preset upper threshold;
the switching module is specifically configured to control a charging mode to be switched to a slow charging mode based on the first switching signal.
The switching module is specifically configured to convert the first switching signal into a first instruction indicating step-down or step-down; and adjusting the current charging voltage to be reduced to a voltage level specified by the slow charging mode or adjusting the current charging current to be reduced to a current level specified by the slow charging mode according to the first instruction for indicating voltage reduction or current reduction.
The temperature detection module is specifically configured to generate a second switching signal when the battery temperature is lower than a preset lower threshold; the switching module is specifically configured to control the charging mode to be switched to the fast charging mode based on the second switching signal.
The switching module is specifically configured to convert the second switching signal into a second instruction indicating boosting or current rising; and adjusting the current charging voltage to rise to a voltage level specified by the fast charging mode or adjusting the current charging current to rise to a current level specified by the fast charging mode according to the second instruction indicating boosting or current rising.
The embodiment of the invention provides a charging method and a charging terminal, which can be used for detecting the temperature of a battery in the charging process of a mobile terminal in real time and switching a charging mode in real time based on the temperature of the battery so as to avoid equipment abnormality caused by using a quick charging mode when the temperature is too high, thereby effectively preventing safety accidents caused by heating of the battery; in addition, can transfer to the mode of filling soon when the battery temperature is lower to improve charge efficiency, effectively reduce to charge consuming time, promote user experience. In summary, the charging method of the embodiment can effectively prevent safety accidents caused by battery heating in the charging process, can also take charging efficiency into consideration, reduces the time consumed by charging, and improves user experience.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the example serve to explain the principles of the invention and not to limit the invention.
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 diagram of a wireless communication system for the mobile terminal shown in FIG. 1;
FIG. 3 is a flowchart illustrating a charging method according to an embodiment of the invention;
fig. 4 is a schematic flow chart of a specific implementation of the charging method according to the embodiment of the present invention;
fig. 5 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A mobile terminal implementing various embodiments of the present invention will now be described with reference to the accompanying drawings. 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 themselves. Thus, "module" and "component" may be used in a mixture.
The mobile 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 smart phone, a notebook computer, a digital broadcast receiver, a PDA (personal digital assistant), a PAD (tablet computer), a PMP (portable multimedia player), a navigation device, and the like, and a stationary terminal such as a digital TV, a desktop computer, and the like. In the following, it is assumed that the terminal is a mobile terminal. However, 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 moving purposes.
Fig. 1 is a schematic hardware configuration of a mobile terminal implementing various embodiments of the present invention.
The mobile terminal 100 may include a wireless communication unit 110, an a/V (audio/video) input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, an interface unit 170, a controller 180, and a power supply unit 190, etc. Fig. 1 illustrates a mobile terminal having various components, but it is to be understood that not all illustrated components are required to be implemented. More or fewer components may alternatively be implemented. Elements of the mobile terminal will be described in detail below.
Fig. 1 illustrates the mobile terminal 100 having various components, but it is to be understood that not all illustrated components are required to be implemented. More or fewer components may alternatively be implemented. The elements of the mobile terminal 100 will be described in detail below.
The wireless communication unit 110 may generally include one or more components that allow radio communication between the mobile terminal 100 and a wireless communication system or network. For example, the wireless communication unit 110 may include at least one of a broadcast receiving module 111, a mobile communication module 112, a wireless internet module 113, a short-range communication module 114, and a location information module 115.
The broadcast receiving module 111 receives a broadcast signal and/or broadcast associated information from an external broadcast management server via a broadcast channel. The broadcast channel may include a satellite channel and/or a terrestrial channel. The broadcast management server may be a server that generates and transmits a broadcast signal and/or broadcast associated information or a server that receives a previously generated broadcast signal and/or broadcast associated information and transmits it to a terminal. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and the like. Also, the broadcast signal may further include a broadcast signal combined with a TV or radio broadcast signal. The broadcast associated information may also be provided via a mobile communication network, and in this case, the broadcast associated information may be received by the mobile communication module 112. The broadcast signal may exist in various forms, for example, it may exist in the form of an Electronic Program Guide (EPG) of Digital Multimedia Broadcasting (DMB), an Electronic Service Guide (ESG) of digital video broadcasting-handheld (DVB-H), and the like. The broadcast receiving module 111 may receive a signal broadcast by using various types of broadcasting systems. In particular, the broadcast receiving module 111 may receive digital broadcasting by using a digital broadcasting system such as a data broadcasting system of multimedia broadcasting-terrestrial (DMB-T), digital multimedia broadcasting-satellite (DMB-S), digital video broadcasting-handheld (DVB-H), forward link media (MediaFLO @), terrestrial digital broadcasting integrated service (ISDB-T), and the like. The broadcast receiving module 111 may be constructed to be suitable for various broadcasting systems that provide broadcast signals as well as the above-mentioned digital broadcasting systems. The broadcast signal and/or broadcast associated information received via the broadcast receiving module 111 may be stored in the memory 160 (or other type of storage medium).
The mobile communication module 112 transmits and/or receives radio signals to and/or from at least one of a base station (e.g., access point, node B, etc.), an external terminal, and a server. Such radio signals may include voice call signals, video call signals, or various types of data transmitted and/or received according to text and/or multimedia messages.
The wireless internet module 113 supports wireless internet access of the mobile terminal. The module may be internally or externally coupled to the terminal. The wireless internet access technology to which the module relates may include WLAN (wireless LAN) (Wi-Fi), Wibro (wireless broadband), Wimax (worldwide interoperability for microwave access), HSDPA (high speed downlink packet access), and the like.
The short-range communication module 114 is a module for supporting short-range communication. Some examples of short-range communication technologies include bluetooth (TM), Radio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), zigbee (TM), and the like.
The location information module 115 is a module for checking or acquiring location information of the mobile terminal. A typical example of the location information module 115 is a GPS (global positioning system). According to the current technology, the GPS calculates distance information and accurate time information from three or more satellites and applies triangulation to the calculated information, thereby accurately calculating three-dimensional current location information according to longitude, latitude, and altitude. Currently, a method for calculating position and time information uses three satellites and corrects an error of the calculated position and time information by using another satellite. In addition, the GPS can calculate speed information by continuously calculating current position information in real time.
The a/V input unit 120 is used to receive an audio or video signal. The a/V input unit 120 may include a camera 121 and a microphone 122, and the camera 121 processes image data of still pictures or video obtained by an image capturing apparatus in a video capturing mode or an image capturing mode. The processed image frames may be displayed on the display unit 151. The image frames processed by the cameras 121 may be stored in the memory 160 (or other storage medium) or transmitted via the wireless communication unit 110, and two or more cameras 121 may be provided according to the construction of the mobile terminal 100. The microphone 122 may receive sounds (audio data) via the microphone 122 in a phone call mode, a recording mode, a voice recognition mode, or the like, and is 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 mobile communication module 112 in case of a phone call mode. The microphone 122 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 user input unit 130 may generate key input data to control various operations of the mobile terminal 100 according to a command input by a user. The user input unit 130 allows a user to input various types of information, and may include a keyboard, dome sheet, touch pad (e.g., a touch-sensitive member that detects changes in resistance, pressure, capacitance, and the like due to being touched), scroll wheel, joystick, and the like. In particular, when the touch pad is superimposed on the display unit 151 in the form of a layer, a touch screen may be formed.
The sensing unit 140 detects a current state of the mobile terminal 100 (e.g., an open or closed state of the mobile terminal 100), a position of the mobile terminal 100, presence or absence of contact (i.e., touch input) by a user with the mobile terminal 100, an orientation of the mobile terminal 100, acceleration or deceleration movement and direction of the mobile terminal 100, and the like, and generates a command or signal for controlling an operation of the mobile terminal 100. For example, when the mobile terminal 100 is implemented as a slide-type mobile phone, the sensing unit 140 may sense whether the slide-type phone is opened or closed. In addition, the sensing unit 140 can detect whether the power supply unit 190 supplies power or whether the interface unit 170 is coupled with an external device. The sensing unit 140 may include a proximity sensor 141.
The interface unit 170 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 identification module may store various information for authenticating a user using the mobile terminal 100 and may include a User Identity Module (UIM), a Subscriber Identity Module (SIM), a Universal Subscriber Identity Module (USIM), and the like. In addition, a device having an identification module (hereinafter, referred to as an "identification device") may take the form of a smart card, and thus, the identification device may be connected with the mobile terminal 100 via a port or other connection means. The interface unit 170 may be used to receive input (e.g., data information, power, etc.) from an external device 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 the external device.
In addition, when the mobile terminal 100 is connected with an external cradle, the interface unit 170 may serve as a path through which power is supplied from the cradle to the mobile terminal 100 or may serve as a path through which various command signals input from the cradle are transmitted to the mobile terminal 100. Various command signals or power input from the cradle may be used as a signal for identifying whether the mobile terminal 100 is accurately mounted on the cradle. The output unit 150 is configured to provide output signals (e.g., audio signals, video signals, alarm signals, vibration signals, etc.) in a visual, audio, and/or tactile manner. The output unit 150 may include a display unit 151, an audio output module 152, an alarm unit 153, and the like.
The display unit 151 may display information processed in the mobile terminal 100. For example, when the mobile terminal 100 is in a phone call mode, the display unit 151 may display a User Interface (UI) or a Graphical User Interface (GUI) related to a call or other communication (e.g., text messaging, multimedia file downloading, etc.). When the mobile terminal 100 is in a video call mode or an image capturing mode, the display unit 151 may display a captured image and/or a received image, a UI or GUI showing a video or an image and related functions, and the like.
Meanwhile, when the display unit 151 and the touch pad are overlapped with each other in the form of a layer to form a touch screen, the display unit 151 may serve as an input device and an output device. The display unit 151 may include at least one of a Liquid Crystal Display (LCD), a thin film transistor LCD (TFT-LCD), an Organic Light Emitting Diode (OLED) display, a flexible display, a three-dimensional (3D) display, and the like. Some of these displays may be configured to be transparent to allow a user to view from the outside, which may be referred to as transparent displays, and a typical transparent display may be, for example, a TOLED (transparent organic light emitting diode) display or the like. Depending on the particular desired implementation, mobile terminal 100 may include two or more display units (or other display devices), for example, mobile terminal 100 may include an external display unit (not shown) and an internal display unit (not shown). The touch screen may be used to detect a touch input pressure as well as a touch input position and a touch input area.
The audio output module 152 may convert audio data received by the wireless communication unit 110 or stored in the memory 160 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 module 152 may 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 module 152 may include a speaker, a buzzer, and the like.
The alarm unit 153 may provide an output to notify the mobile terminal 100 of the occurrence of an event. Typical events may include call reception, message reception, key signal input, touch input, and the like. In addition to audio or video output, the alarm unit 153 may provide output in different ways to notify the occurrence of an event. For example, the alarm unit 153 may provide an output in the form of vibration, and when a call, a message, or some other incoming communication (communicating communication) is received, the alarm unit 153 may provide a tactile output (i.e., vibration) to inform the user thereof. By providing such a tactile output, the user can recognize the occurrence of various events even when the user's mobile phone is in the user's pocket. The alarm unit 153 may also provide an output notifying the occurrence of an event via the display unit 151 or the audio output module 152.
The memory 160 may store software programs and the like for processing and controlling operations performed by the controller 180, or may temporarily store data (e.g., a phonebook, messages, still images, videos, and the like) that has been or will be output. Also, the memory 160 may store data regarding various ways of vibration and audio signals output when a touch is applied to the touch screen.
The memory 160 may include at least one type of storage medium including a flash memory, a hard disk, a multimedia card, a card-type memory (e.g., SD or DX memory, etc.), a Random Access Memory (RAM), a Static Random Access Memory (SRAM), a read-only memory (ROM), an electrically erasable programmable read-only memory (EEPROM), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, an optical disk, and the like. Also, the mobile terminal 100 may cooperate with a network storage device that performs a storage function of the memory 160 through a network connection.
The controller 180 generally controls the overall operation of the mobile terminal. For example, the controller 180 performs control and processing related to voice calls, data communications, video calls, and the like. In addition, the controller 180 may include a multimedia module 181 for reproducing (or playing back) multimedia data, and the multimedia module 181 may be constructed within the controller 180 or may be constructed separately from the controller 180. The controller 180 may perform a pattern recognition process to recognize a handwriting input or a picture drawing input performed on the touch screen as a character or an image.
The power supply unit 190 receives external power or internal power and provides appropriate power required to operate various elements and components under the control of the controller 180.
The various embodiments described herein may be implemented in a computer-readable medium using, for example, computer software, hardware, or any combination thereof. For a hardware implementation, the embodiments described herein may be implemented using at least one of an Application Specific Integrated Circuit (ASIC), a Digital Signal Processor (DSP), a Digital Signal Processing Device (DSPD), a Programmable Logic Device (PLD), a Field Programmable Gate Array (FPGA), a processor, a controller, a microcontroller, a microprocessor, an electronic unit designed to perform the functions described herein, and in some cases, such embodiments may be implemented in the controller 180. For a software implementation, the implementation such as a process or a function may be implemented with a separate software module that allows performing at least one function or operation. The software codes may be implemented by software applications (or programs) written in any suitable programming language, which may be stored in the memory 160 and executed by the controller 180.
Up to this point, the mobile terminal 100 has been described in terms of its functionality. In addition, the mobile terminal 100 in the embodiment of the present invention may be a mobile terminal such as a folder type, a bar type, a swing type, a slide type, and other various types, and is not limited herein.
The mobile terminal 100 as shown in fig. 1 may be configured to operate with communication systems such as wired and wireless communication systems and satellite-based communication systems that transmit data via frames or packets.
A communication system in which a mobile terminal according to the present invention is operable will now be described with reference to fig. 2.
Such communication systems may use different air interfaces and/or physical layers. For example, the air interface used by the communication system includes, for example, Frequency Division Multiple Access (FDMA), Time Division Multiple Access (TDMA), Code Division Multiple Access (CDMA), and Universal Mobile Telecommunications System (UMTS) (in particular, Long Term Evolution (LTE)), global system for mobile communications (GSM), and the like. By way of non-limiting example, the following description relates to a CDMA communication system, but such teachings are equally applicable to other types of systems.
Referring to fig. 2, a CDMA wireless communication system may include a plurality of intelligent terminals 100, a plurality of Base Stations (BSs) 270, Base Station Controllers (BSCs) 275, and a Mobile Switching Center (MSC) 280. The MSC280 is configured to interface with a Public Switched Telephone Network (PSTN) 290. The MSC280 is also configured to interface with a BSC275, which may be coupled to the base station 270 via a backhaul. The backhaul line may be constructed according to any of several known interfaces, which may include, for example, european/american standard high capacity digital lines (E1/T1), Asynchronous Transfer Mode (ATM), network protocol (IP), point-to-point protocol (PPP), frame relay, high-rate digital subscriber line (HDSL), Asymmetric Digital Subscriber Line (ADSL), or various types of digital subscriber lines (xDSL). It will be understood that a system as shown in fig. 2 may include multiple BSCs 275.
Each BS 270 may serve one or more sectors (or regions), each sector covered by a multi-directional antenna or an antenna pointing in a particular direction being radially distant from the BS 270. Alternatively, each partition may be covered by two or more antennas for diversity reception. Each BS 270 may be configured to support multiple frequency allocations, with each frequency allocation having a particular frequency spectrum (e.g., 1.25MHz, 5MHz, etc.).
The intersection of partitions with frequency allocations may be referred to as a CDMA channel. The BS 270 may also be referred to as a Base Transceiver Subsystem (BTS) or other equivalent terminology. In such a case, the term "base station" may be used to generically refer to a single BSC275 and at least one BS 270. The base stations may also be referred to as "cells". Alternatively, each partition of a particular BS 270 may be referred to as a plurality of cell sites.
As shown in fig. 2, a Broadcast Transmitter (BT)295 transmits a broadcast signal to the mobile terminal 100 operating within the system. A broadcast receiving module 111 as shown in fig. 1 is provided at the mobile terminal 100 to receive a broadcast signal transmitted by the BT 295. In fig. 2, several Global Positioning System (GPS) satellites 300 are shown. The satellite 300 assists in locating at least one of the plurality of mobile terminals 100.
In fig. 2, a plurality of satellites 300 are depicted, but it is understood that useful positioning information may be obtained with any number of satellites. The location information module 115 (e.g., GPS) as shown in fig. 1 is generally configured to cooperate with the satellites 300 to obtain desired positioning information. Other techniques that can track the location of the mobile terminal may be used instead of or in addition to GPS tracking techniques. In addition, at least one GPS satellite 300 may selectively or additionally process satellite DMB transmission.
As a typical operation of the wireless communication system, the BS 270 receives reverse link signals from various mobile terminals 100. The mobile terminal 100 is generally engaged in conversations, messaging, and other types of communications. Each reverse link signal received by a particular base station is processed within a particular BS 270. The obtained data is forwarded to the associated BSC 275. The BSC provides call resource allocation and mobility management functions including coordination of soft handoff procedures between BSs 270. The BSCs 275 also route the received data to the MSC280, which provides additional routing services for interfacing with the PSTN 290. Similarly, the PSTN290 interfaces with the MSC280, the MSC280 interfaces with the BSCs 275, and the BSCs 275 accordingly control the BS 270 to transmit forward link signals to the mobile terminal 100.
Example one
As shown in fig. 3, the present embodiment provides a charging method applied to a mobile terminal, including:
step 301, detecting the temperature of a battery in the charging process;
step 302, when the temperature of the battery reaches a preset upper limit threshold, controlling a charging mode to be switched to a slow charging mode; and when the temperature of the battery is lower than a preset lower limit threshold, controlling the charging mode to be switched to a quick charging mode.
In the embodiment, the battery temperature in the charging process of the mobile terminal is detected in real time, and the charging mode is switched in real time based on the battery temperature, so that the abnormal condition of equipment caused by the use of a quick charging mode when the temperature is too high is avoided, and the safety accident caused by the heating of the battery is effectively prevented; in addition, can transfer to the mode of filling soon when the battery temperature is lower to improve charge efficiency, effectively reduce to charge consuming time, promote user experience. In summary, the charging method of the embodiment can effectively prevent safety accidents caused by battery heating in the charging process, can also take charging efficiency into consideration, reduces the time consumed by charging, and improves user experience.
In some implementations, when the battery temperature reaches a preset upper threshold, controlling the charging mode to switch to the slow charging mode may include: generating a first switching signal when the battery temperature reaches the upper threshold; and controlling the charging mode to be switched to a slow charging mode based on the first switching signal.
In practical applications, the controlling the charging mode to be switched to the slow charging mode based on the first switching signal may include: converting the first switching signal into a first instruction indicative of a buck or a down flow; and adjusting the current charging voltage to be reduced to a voltage level specified by the slow charging mode or adjusting the current charging current to be reduced to a current level specified by the slow charging mode according to the first instruction indicating voltage reduction or current reduction.
In some implementations, when the battery temperature is lower than a preset lower threshold, controlling the charging mode to switch to the fast charging mode may include: generating a second switching signal when the battery temperature is lower than the lower threshold; and controlling the charging mode to be switched to the quick charging mode based on the second switching signal.
In practical applications, the controlling the charging mode to be switched to the fast charging mode based on the second switching signal may include: converting the second switching signal to a second command indicative of boosting or up-flow; and adjusting the current charging voltage to rise to a voltage level specified by the fast charging mode or adjusting the current charging current to rise to a current level specified by the fast charging mode according to the second instruction indicating boosting or current rising.
In some implementations, the above method of the present embodiment can be implemented as follows:
the mobile terminal comprises a charging circuit and a battery, the charging circuit comprises a charging control circuit and a temperature sensor device, and the temperature sensor device is electrically connected with the charging control circuit and is in inductive connection with the battery of the mobile terminal (the inductive connection depends on how the adopted temperature sensor device senses the temperature, and can be in contact connection, electrical connection, non-contact connection and the like).
In the charging process, the temperature of the battery is sensed in real time through the temperature sensing device, the sensed temperature of the battery is compared with a preset upper limit threshold and a preset lower limit threshold in real time through the temperature sensing device, if the temperature of the battery is higher than the upper limit threshold, a first switching signal is sent to the charging control circuit, and if the temperature of the battery is lower than the lower limit threshold, a second switching signal is sent to the charging control circuit.
The charging control circuit receives a first switching signal from the temperature sensing device, judges whether the current charging mode is a fast charging mode or not by detecting the current charging current or charging voltage, if the current charging mode is judged to be the fast charging mode, the charging control circuit generates a first instruction for indicating voltage reduction or current reduction, the first instruction comprises current level or voltage level information appointed by a slow charging mode, the first instruction is output to external charging equipment, the external charging equipment adjusts the charging current or charging voltage input to the mobile terminal to a corresponding current level or voltage level based on the current level or voltage level information contained in the first instruction, and therefore the charging control circuit achieves the effect that the charging mode is adjusted to the slow charging mode based on the first switching signal; if the current charging mode is not the quick charging mode, the charging control circuit controls the charging current or the charging voltage input to the mobile terminal by the external charging equipment to be reduced to the minimum (such as zero) so as to suspend charging and avoid explosion.
The charging control circuit receives a second switching signal from the temperature sensing device, judges whether the current charging mode is slow charging or not by detecting the current charging current or charging voltage, if the current charging mode is judged to be slow charging mode, the charging control circuit generates a second instruction for indicating boosting or current rising, the second instruction comprises current level or voltage level information specified by the fast charging mode, and outputs the second instruction to external charging equipment, and the external charging equipment adjusts the charging current or charging voltage input to the mobile terminal to a corresponding current level or voltage level based on the current level or voltage level information contained in the second instruction, so that the charging control circuit realizes the adjustment of the charging mode to the fast charging mode based on the second switching signal; if the current charging mode is not the slow charging mode, the charging control circuit can not execute any operation and keep the current mode.
In practical applications, the charging current, the charging voltage, and the like of the mobile terminal in the fast charging mode and the slow charging mode are related to a specific device model, an adopted operating system, and the like, and therefore, specific values of the voltage level or the current level specified in the fast charging mode and the voltage level or the current level specified in the slow charging mode are not limited herein. For example, the fast charge mode of the mobile terminal may be two cases: 1) high current charging, keeping 5V voltage, charging with high current from 4A to 5A; 2) high voltage charging, charging with high voltage of 9V to 12V, the charging current can be kept between 1A and 1.8A. The fast charging mode of the mobile terminal can be as follows: 1) a constant current mode: 1A; 2) constant voltage mode: 4V; 3) trickle mode: 100 mA.
The external charging device herein may be a charger suitable for a mobile terminal, unlike the terminal hereinafter. The terminal provided herein is actually a charging unit inside the mobile terminal, and the charging unit may be a charging circuit including the charging control circuit and the temperature sensing device. For example, it may be a charging circuit in the voltage unit 190 of the mobile terminal as shown in fig. 1.
In practical applications, the upper threshold and the lower threshold described herein may be preset and configured in the corresponding device (e.g., a temperature sensing device) of the mobile terminal according to actual situations. The specific values of the upper threshold and the lower threshold are related to the device model, the operating system, the battery performance, and the like of the mobile terminal, and the specific values of the upper threshold and the lower threshold are not limited herein.
As shown in fig. 4, a specific implementation flow of the charging method of the mobile terminal in this embodiment may include the following steps:
step 401, a mobile terminal is electrically connected with an external charging device to start charging;
step 402, a charging control circuit of the mobile terminal adjusts the charging control circuit to a quick charging mode to charge a battery in the mobile terminal by controlling the power supply voltage or the power supply current of external charging equipment;
step 403, in the charging process, detecting the temperature of the battery in the mobile terminal in real time by a temperature sensing device in the mobile terminal, and continuing to step 404 and step 407;
step 404, judging whether the current battery temperature reaches a preset upper limit threshold, if so, continuing to step 405, otherwise, returning to step 403;
step 405, the temperature sensing device sends a first switching signal to the charging control circuit;
step 406, if the charging control circuit determines that the current charging mode is the fast charging mode, generating a first instruction for instructing voltage reduction or current reduction, switching the charging mode to the slow charging mode, and continuing to charge the battery in the slow charging mode;
specifically, the charging control circuit controls the supply voltage of the external charging device to drop to a voltage level specified by a slow charging mode or controls the supply current of the external charging device to drop to a current level specified by the slow charging mode through the first instruction, so that the charging current or the charging voltage of the mobile terminal is adjusted to the current level or the voltage level specified by the slow charging mode, and the charging mode is switched to the slow charging mode.
Step 407, judging whether the current battery temperature is lower than a preset lower limit threshold, if so, continuing to step 408, otherwise, returning to step 403;
step 408, the temperature sensing device sends a second switching signal to the charging control circuit;
step 409, the charging control circuit judges that the current charging mode is a slow charging mode, generates a second instruction for indicating boosting or current rising, switches the charging mode to a fast charging mode, and continues to charge the battery in the fast charging mode;
specifically, the charging control circuit controls the supply voltage of the external charging device to rise to a voltage level specified by the fast charging mode or controls the supply current of the external charging device to rise to a current level specified by the fast charging mode through the second instruction, so that the charging current or the charging voltage of the mobile terminal is adjusted to the current level or the voltage level specified by the fast charging mode, and the charging mode is switched to the fast charging mode.
And step 410, detecting whether the battery is fully charged in real time, if so, ending the current flow, otherwise, returning to step 403.
In the above flow, step 404, step 407, and step 410 are performed simultaneously during the charging process.
In this embodiment, detect the charging temperature in fast charge (charge soon, it is many to generate heat) and slow charge (charge slowly, it is few to generate heat) stage respectively, temperature reaches certain upper limit threshold value when detecting out fast charge then changes to slowly charging, temperature has reduced the lower limit threshold value when detecting slowly charging, then will charge and change to the fast charge stage to mobile terminal carries out the adjustment of charging mode in real time at the charging process, can accelerate on the one hand to charge, reduce charge for a long time, promote charge efficiency, on the other hand avoids the battery to generate heat too big and arouse equipment trouble or incident.
Example two
In this embodiment, a terminal is provided, as shown in fig. 5, and may include: a temperature detection module 51 and a switching module 52; wherein,
the temperature detection module 51 is used for detecting the battery temperature in the charging process, indicating the switching module when the battery temperature reaches a preset upper threshold value, and indicating the switching module when the battery temperature is lower than a preset lower threshold value;
the switching module 52 is configured to control the charging mode to be switched to the slow charging mode when the battery temperature reaches a preset upper threshold; and the control module is used for controlling the charging mode to be switched to the quick charging mode when the battery temperature is lower than a preset lower limit threshold value.
The terminal in the embodiment can detect the temperature of the battery in the charging process of the mobile terminal in real time and switch the charging mode in real time based on the temperature of the battery so as to avoid the abnormal equipment caused by the use of the quick charging mode when the temperature is too high, thereby effectively preventing safety accidents caused by the heating of the battery; in addition, can transfer to the mode of filling soon when the battery temperature is lower to improve charge efficiency, effectively reduce to charge consuming time, promote user experience. In summary, the terminal of this embodiment can effectively prevent the incident that the charging process arouses because of the battery generates heat, still can compromise charge efficiency, and it is consuming time to reduce to charge, promotes user experience.
In some implementations, the temperature detection module 51 is specifically configured to generate a first switching signal when the battery temperature reaches a preset upper threshold; the switching module 52 is specifically configured to control the charging mode to be switched to the slow charging mode based on the first switching signal. In practical applications, the switching module 52 may be specifically configured to convert the first switching signal into a first instruction indicating step-down or step-down; and adjusting the current charging voltage to be reduced to a voltage level specified by the slow charging mode or adjusting the current charging current to be reduced to a current level specified by the slow charging mode according to the first instruction for indicating voltage reduction or current reduction.
In some implementations, the temperature detection module 51 is specifically configured to generate a second switching signal when the battery temperature is lower than a preset lower threshold; the switching module 52 is specifically configured to control the charging mode to be switched to the fast charging mode based on the second switching signal. In practical applications, the switching module 52 may be specifically configured to convert the second switching signal into a second instruction indicating boosting or current rising; and adjusting the current charging voltage to rise to a voltage level specified by the fast charging mode or adjusting the current charging current to rise to a current level specified by the fast charging mode according to the second instruction indicating boosting or current rising.
The terminal in this embodiment can implement the method described in the first embodiment, and details of the implementation are the same and will not be described again. In practical applications, the temperature detecting module 51 may be implemented by the temperature sensing device described in the first embodiment, and the switching module 52 may be implemented by the charging control circuit described in the first embodiment.
The terminal in this embodiment may be in a mobile terminal, and may be applied to charging of the mobile terminal, and detect the charging temperatures in the fast charging (fast charging, much heating) and slow charging (slow charging, less heating) stages respectively, when detecting that the temperature reaches a certain upper threshold value when fast charging, the temperature is converted into slow charging, when detecting that the temperature is reduced to a lower threshold value when slow charging, the charging is converted into the fast charging stage, so that the mobile terminal performs adjustment of a charging mode in a charging process in real time, on the one hand, charging may be accelerated, charging duration is reduced, charging efficiency is improved, and on the other hand, it is avoided that a battery generates heat too much to cause equipment failure or safety accidents. In some implementations, the terminal of the present embodiment may be a mobile terminal shown in fig. 1. It should be noted that the temperature detecting module 51 and the switching module 52 in the above terminal provided in the present application may be disposed in the power supply unit 190 in fig. 1.
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 device (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.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. A method of charging, comprising:
detecting the temperature of the battery in the charging process;
when the temperature of the battery reaches a preset upper limit threshold value, controlling a charging mode to be switched to a slow charging mode;
and when the temperature of the battery is lower than a preset lower limit threshold, controlling the charging mode to be switched to a quick charging mode.
2. The method of claim 1, wherein controlling the charging mode to switch to the slow charging mode when the battery temperature reaches a preset upper threshold value comprises:
generating a first switching signal when the battery temperature reaches the upper threshold;
and controlling the charging mode to be switched to a slow charging mode based on the first switching signal.
3. The method of claim 2, wherein controlling the charging mode to switch to the slow charging mode based on the first switching signal comprises:
converting the first switching signal into a first instruction indicative of a buck or a down flow;
and adjusting the current charging voltage to be reduced to a voltage level specified by the slow charging mode or adjusting the current charging current to be reduced to a current level specified by the slow charging mode according to the first instruction indicating voltage reduction or current reduction.
4. The method of claim 1, wherein controlling the charging mode to switch to the fast charging mode when the battery temperature is lower than a preset lower threshold comprises:
generating a second switching signal when the battery temperature is lower than the lower threshold;
and controlling the charging mode to be switched to the quick charging mode based on the second switching signal.
5. The method of claim 4, wherein controlling the charging mode to switch to the fast charging mode based on the second switching signal comprises:
converting the second switching signal to a second command indicative of boosting or up-flow;
and adjusting the current charging voltage to rise to a voltage level specified by the fast charging mode or adjusting the current charging current to rise to a current level specified by the fast charging mode according to the second instruction indicating boosting or current rising.
6. A terminal, comprising: the device comprises a temperature detection module and a switching module; wherein,
the temperature detection module is used for detecting the temperature of the battery in the charging process, indicating the switching module when the temperature of the battery reaches a preset upper limit threshold value, and indicating the switching module when the temperature of the battery is lower than a preset lower limit threshold value;
the switching module is used for controlling the charging mode to be switched to the slow charging mode when the temperature of the battery reaches a preset upper limit threshold value; and the control module is used for controlling the charging mode to be switched to the quick charging mode when the battery temperature is lower than a preset lower limit threshold value.
7. The terminal of claim 6,
the temperature detection module is specifically used for generating a first switching signal when the battery temperature reaches a preset upper limit threshold;
the switching module is specifically configured to control a charging mode to be switched to a slow charging mode based on the first switching signal.
8. The terminal of claim 7,
the switching module is specifically configured to convert the first switching signal into a first instruction indicating step-down or step-down; and adjusting the current charging voltage to be reduced to a voltage level specified by the slow charging mode or adjusting the current charging current to be reduced to a current level specified by the slow charging mode according to the first instruction for indicating voltage reduction or current reduction.
9. The terminal of claim 6,
the temperature detection module is specifically configured to generate a second switching signal when the battery temperature is lower than a preset lower threshold;
the switching module is specifically configured to control the charging mode to be switched to the fast charging mode based on the second switching signal.
10. The terminal of claim 9,
the switching module is specifically configured to convert the second switching signal into a second instruction indicating boosting or current rising; and adjusting the current charging voltage to rise to a voltage level specified by the fast charging mode or adjusting the current charging current to rise to a current level specified by the fast charging mode according to the second instruction indicating boosting or current rising.
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Application publication date: 20170510 |