WO2017197681A1 - 一种移动终端、电池温度的确定方法及装置 - Google Patents

一种移动终端、电池温度的确定方法及装置 Download PDF

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Publication number
WO2017197681A1
WO2017197681A1 PCT/CN2016/085584 CN2016085584W WO2017197681A1 WO 2017197681 A1 WO2017197681 A1 WO 2017197681A1 CN 2016085584 W CN2016085584 W CN 2016085584W WO 2017197681 A1 WO2017197681 A1 WO 2017197681A1
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Prior art keywords
temperature
battery
mobile terminal
determining
data table
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PCT/CN2016/085584
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English (en)
French (fr)
Inventor
张立群
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中兴通讯股份有限公司
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Publication of WO2017197681A1 publication Critical patent/WO2017197681A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
    • G01K7/16—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements
    • G01K7/22—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using resistive elements the element being a non-linear resistance, e.g. thermistor

Definitions

  • the present application relates to the field of temperature detection, and in particular, to a mobile terminal, a method and a device for determining a battery temperature.
  • the operating temperature of the battery there are restrictions on the operating temperature of the battery.
  • the national standard requires that the temperature range of the battery is 0 ° C to 45 ° C, and the allowable temperature range of the battery is -10 ° C to 60 ° C.
  • the battery specification promises to carry out limited charging in the high temperature area.
  • the general battery will add a thermistor NTC on the battery protection board to detect the temperature of the battery and protect the battery. Ensure that the operating temperature of the battery is within the allowable working range. If the detected temperature exceeds the allowable operating temperature range of the battery, force the phone to shut down to stop the battery and protect the battery.
  • the thermistor NTC on the battery protection board will exhibit different resistance values depending on the temperature. This resistance value is fed back to the mobile phone management chip in real time and converted into temperature information through the management chip. The operating temperature of the management battery can be controlled according to the NTC resistance information.
  • the battery is generally composed of two parts, a battery core and a battery protection circuit. It is often a stricter requirement for the operating temperature of the battery core, and the operating temperature of the battery protection board is lower, and the operating temperature range can be appropriately Increase, therefore, pay more attention to the temperature of the cell part when performing battery temperature monitoring.
  • the battery is getting bigger and bigger, and the distribution area is getting bigger and bigger.
  • the temperature of different parts of the battery is also affected by different environments and the heat-emitting devices of the mobile phone motherboard. When the battery protection board itself is hot, the battery protection board is used. The temperature measured by the thermistor NTC is used to characterize the temperature of the cell, which causes a large error.
  • the heat generating device when the heat generating device is just near the thermistor of the battery protection board, the heat emitted by the device when the mobile phone is working It was quickly passed to the NTC on the battery protection board. When the detected temperature exceeded 60 degrees, the phone was quickly turned off. In fact, the temperature of the battery was far below 60 degrees, which caused a false shutdown event.
  • the user's experience is affected; for example, when the main heating device of the mobile phone is closer to the battery core, when the battery temperature reaches or exceeds 60 degrees, the NTC on the protection board does not reach 60 degrees because of the long distance, and feedback is given to Mobile management chip information It will not reach 60 degrees, so that the battery will still be in working condition when it exceeds the temperature range, it will not play the role of temperature protection, and even cause dangerous events such as battery drums.
  • the function is getting stronger and stronger, and the power consumption is getting more and more powerful.
  • the battery has to be discharged with a large current, and the battery continues.
  • the large current discharge will cause the heat of the battery protection board itself, which in turn affects the temperature feedback of the thermistor on the protection board. Since the temperature of the feedback is not the actual temperature of the battery core, the mobile phone may be accidentally shut down, which may affect the user experience.
  • the embodiment of the invention provides a method and a device for determining a temperature of a mobile terminal and a battery, which solves the problem that the thermistor cannot accurately detect the temperature of the battery due to the temperature of the battery.
  • a method for determining a battery temperature comprising: when receiving a temperature detection request, searching for temperature information corresponding to a current working scenario of the mobile terminal from the data table, and determining a battery temperature of the mobile terminal according to the temperature information.
  • the working scenario is one type.
  • searching for the temperature information corresponding to the current working scenario of the mobile terminal from the data table, and determining the battery temperature of the mobile terminal according to the temperature information includes: acquiring the first temperature detected by the temperature detecting component, where The temperature detecting component is disposed on the battery protection board of the mobile terminal; the second temperature corresponding to the first temperature is read from the data table corresponding to the working scene; and the second temperature is used as the battery temperature of the mobile terminal.
  • the working scenario is multiple.
  • searching for the temperature information corresponding to the current working scenario of the mobile terminal from the data table, and determining the battery temperature of the mobile terminal according to the temperature information includes: acquiring the first temperature detected by the temperature detecting component; respectively Read from the data table corresponding to each work scenario Taking a second temperature corresponding to the first temperature; determining a second temperature from the plurality of second temperatures as a battery temperature of the mobile terminal.
  • determining a second temperature from the plurality of the second temperatures as the battery temperature of the mobile terminal comprises: using a maximum value of the plurality of second temperatures as a battery temperature of the mobile terminal.
  • determining a second temperature from the plurality of the second temperatures as the battery temperature of the mobile terminal further includes: acquiring an influence coefficient preset for each working scene; corresponding to each working scene The influence coefficient and the corresponding second temperature determine the battery temperature of the mobile terminal.
  • the method further includes: before searching for the temperature information corresponding to the current working scenario of the mobile terminal from the data table, when the mobile terminal is running in the specified working scenario, acquiring the battery of the mobile terminal at multiple time points The actual temperature and the detected temperature detected by the temperature detecting means; the actual temperature and the detected temperature corresponding to the same time point are saved to the data table.
  • obtaining the actual temperature of the battery of the mobile terminal at multiple time points comprises: acquiring temperature collected by each of the plurality of sensors on the battery at each time point; and placing the multiple sensors at the same time point The maximum value of the collected temperature is taken as the actual temperature of the battery at the same point in time.
  • saving the actual temperature and the detected temperature corresponding to the same time point to the data table includes: fitting a plurality of actual temperatures to obtain a fitting curve; and if the fitting curve matches the preset curve, The actual temperature and the detected temperature are saved to a data table, wherein the preset curve is a curve obtained by fitting the thermal simulation data of the battery.
  • the working scene is a preset charging scene or a preset discharging scene
  • the preset charging scene is a scene in which the charging current is greater than the first preset value
  • the preset discharging scene is a scene in which the discharging current is greater than the second preset value.
  • Finding temperature information corresponding to the current working scenario of the mobile terminal from the data table, and determining the battery temperature of the mobile terminal according to the temperature information includes: acquiring a charging duration or a discharging duration of the battery of the mobile terminal; and data corresponding to the preset charging scenario In the table, the first temperature corresponding to the charging duration is read; or, the first temperature corresponding to the discharge duration is read from the data table corresponding to the preset discharge scene; and the first temperature is used as the battery temperature of the mobile terminal .
  • the method further includes: searching for a current working scenario with the mobile terminal from the data table. Before the corresponding temperature information, in the case that the mobile terminal is in the preset charging scene or the preset discharging scene, acquiring the battery temperature of the mobile terminal at multiple time points; determining that the mobile terminal is in the charging time of the preset charging scene Or determining the duration of the discharge of the mobile terminal in the preset discharge scenario; storing the correspondence between the charging duration or the discharge duration of the mobile terminal and the battery temperature to the data table.
  • a device for determining a battery temperature comprising: a determining unit configured to: when receiving a temperature detection request, search for temperature information corresponding to a current working scenario of the mobile terminal from the data table, and determine the mobile terminal according to the temperature information Battery temperature.
  • the working scenario is one type.
  • the determining unit includes: a first determining module configured to acquire the first temperature detected by the temperature detecting component, wherein the temperature detecting component is disposed on the battery protection board of the mobile terminal; the first reading And a module configured to read a second temperature corresponding to the first temperature from the data table corresponding to the working scene; and the first processing module is configured to set the second temperature as the battery temperature of the mobile terminal.
  • the working scenario is multiple.
  • the determining unit includes: a first acquiring module configured to acquire a first temperature detected by the temperature detecting component; and a second reading module configured to respectively obtain data corresponding to each working scenario In the table, the second temperature corresponding to the first temperature is read; the second determining module is configured to determine a second temperature from the plurality of second temperatures as the battery temperature of the mobile terminal.
  • determining, by the second determining module, the second temperature from the plurality of second temperatures as the battery temperature of the mobile terminal includes:
  • the maximum value among the plurality of second temperatures is taken as the battery temperature of the mobile terminal.
  • determining, by the second determining module, the second temperature from the plurality of second temperatures as the battery temperature of the mobile terminal further includes:
  • the battery temperature of the mobile terminal is determined by the influence coefficient corresponding to each working scene and the corresponding second temperature.
  • the first obtaining module is further configured to: find and move the terminal from the data table in the determining unit Before the temperature information corresponding to the current working scene is forwarded, when the mobile terminal operates in the specified working scenario, the actual temperature of the battery of the mobile terminal at a plurality of time points and the detected temperature detected by the temperature detecting component are acquired.
  • the obtaining, by the first acquiring module, the actual temperature of the battery of the mobile terminal at multiple time points includes:
  • the maximum value of the temperature collected by the multiple sensors at the same time point is taken as the actual temperature of the battery at the same time point.
  • the first obtaining module saves the actual temperature and the detected temperature corresponding to the same time point to the data table, including:
  • the fitting curve matches the preset curve
  • the actual temperature and the detected temperature are saved to the data table, wherein the preset curve is a curve obtained by fitting the thermal simulation data of the battery.
  • the working scene is a preset charging scene or a preset discharging scene
  • the preset charging scene is a scene in which the charging current is greater than the first preset value
  • the preset discharging scene is a scene in which the discharging current is greater than the second preset value.
  • the determining unit includes: a second acquiring module configured to acquire a charging duration or a discharging duration of the battery of the mobile terminal; and a third reading module configured to read from the data table corresponding to the preset charging scenario, corresponding to the charging duration The first temperature; or, the first temperature corresponding to the discharge duration is read from the data table corresponding to the preset discharge scene; and the second processing module is configured to set the first temperature as the battery temperature of the mobile terminal.
  • the second obtaining module is further configured to:
  • the determining unit searches for the temperature information corresponding to the current working scene of the mobile terminal from the data table, if the mobile terminal is in the preset charging scene or the preset discharging scene, the battery temperature of the mobile terminal at multiple time points is obtained.
  • the correspondence relationship between the charging duration or the discharge duration of the mobile terminal and the battery temperature is saved to the data table.
  • a mobile terminal comprising any one of the above-described battery temperature determining means.
  • a computer readable storage medium storing computer executable instructions that, when executed by a processor, implement the method of determining battery temperature.
  • the temperature information corresponding to the current working scenario of the mobile terminal is searched from the data table, and the battery temperature of the mobile terminal is determined according to the temperature information, instead of directly using the thermistor
  • the collected battery temperature solves the problem that the thermistor cannot accurately detect the wrong temperature of the mobile phone caused by the temperature of the battery, and improves the accuracy of detecting the battery temperature.
  • FIG. 1 is a flow chart of a method of determining a battery temperature according to an embodiment of the present invention
  • FIG. 2 is a flow chart of an alternative method of determining battery temperature in accordance with an embodiment of the present invention
  • FIG. 3 is a schematic view of a battery compartment in accordance with an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of the temperature of an optional front and back of a mobile phone according to an embodiment of the present invention.
  • FIG. 5 is a schematic illustration of the temperature of an optional battery compartment in accordance with an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of temperature of another optional front and back of a mobile phone according to an embodiment of the present invention.
  • FIG. 7 is a schematic illustration of the temperature of another alternative battery compartment in accordance with an embodiment of the present invention.
  • FIG. 8 is a schematic illustration of the temperature of the front and back of another alternative handset, in accordance with an embodiment of the present invention.
  • FIG. 9 is a schematic illustration of another alternative battery compartment temperature in accordance with an embodiment of the present invention.
  • Fig. 10 is a block diagram showing the configuration of a battery temperature determining apparatus according to an embodiment of the present invention.
  • FIG. 1 is a flowchart of a method for determining a battery temperature according to an embodiment of the present invention. As shown in FIG. 1, the flow includes step S101:
  • Step S101 When receiving the temperature detection request, look up the temperature information corresponding to the current working scene of the mobile terminal from the data table, and determine the battery temperature of the mobile terminal according to the temperature information.
  • the above working scene is a running mode of the mobile terminal, such as a single working scene such as web browsing, playing games, listening to music, standby, charging, etc., and may also be a composite working scene of "playing games + listening to music".
  • the temperature information corresponding to the current working scene of the mobile terminal is searched from the data table, and the battery temperature of the mobile terminal is determined according to the temperature information, instead of directly using the thermistor.
  • the battery temperature solves the problem that the thermistor cannot accurately detect the wrong shutdown of the mobile phone caused by the temperature of the battery, and improves the accuracy of detecting the battery temperature.
  • the execution body of the foregoing steps may be a mobile terminal, but is not limited thereto.
  • the above mobile terminals include, but are not limited to, mobile phones, tablet computers, PDAs, MIDs, smart watches, MP4s, and the like.
  • the battery management part of the mobile phone can be composed of four parts, including a mobile phone charge and discharge management module, a battery protection board thermistor, a battery position temperature compensation module, and a battery current temperature compensation module.
  • the battery position temperature compensation module provides a temperature change between the main heating device on the mobile phone main board and the temperature change of the battery core.
  • the battery current temperature compensation module mainly includes a battery charge and discharge current detection and timing module, a MOS tube heating and duration relationship data module, according to the duration The temperature of the battery is compensated.
  • the NTC value on the protection board (ie, the temperature value detected by the thermistor) is different from the actual value of the battery core.
  • the battery current temperature compensation module provides a correspondence between the cell temperature and the NTC value when the MOS tube undergoes a large current charge or a large current discharge.
  • the device of the mobile phone motherboard is generally used to be responsible for one or several functions. Therefore, the load condition of the device is associated with the working scene of the mobile phone, and the actual temperature of the battery cell can be determined according to the NTC value in the working scenario.
  • the temperature information corresponding to the current working scenario of the mobile terminal is searched from the data table in the foregoing embodiment, and the mobile terminal is determined according to the temperature information.
  • the battery temperature can be achieved by acquiring a first temperature detected by a temperature detecting component (such as a thermistor on the panel guard), and the temperature detecting component is disposed on the battery protection board of the mobile terminal; In the corresponding data table, the second temperature corresponding to the first temperature is read; and the second temperature is taken as the battery temperature of the mobile terminal.
  • a one-to-one correspondence between the first temperature and the second temperature may be saved, and when searching for the second temperature corresponding to the first temperature, the relationship may be determined according to the corresponding relationship, and if If the same temperature as the first temperature is not found in the data table, the temperature closest to the first temperature may be queried, that is, the temperature with the smallest difference from the first temperature is found, and the second temperature corresponding to the temperature is taken as a second temperature corresponding to the first temperature; or a correspondence between a temperature range of the first temperature and a second temperature, that is, when the first temperature falls within a certain temperature range, the reading corresponds to the temperature range
  • the second temperature is OK.
  • the temperature information corresponding to the current working scenario of the mobile terminal is searched from the data table in the foregoing embodiment, and the battery temperature of the mobile terminal is determined according to the temperature information.
  • the plurality of second temperatures may be determined according to the first temperature, and when the battery temperature of the mobile terminal is determined based on the plurality of second temperatures, the maximum value of the plurality of second temperatures may be used as the mobile terminal. Battery temperature.
  • the load of some devices that need to participate in two or more working scenarios at the same time becomes larger, that is, the heat generation thereof will continue to increase, and the maximum of the plurality of second temperatures will be directly
  • the battery temperature of the mobile terminal is determined based on the plurality of second temperatures, an influence coefficient set for each working scene may be acquired; corresponding to each working scene The influence coefficient and the corresponding second temperature determine the power of the mobile terminal Pool temperature.
  • the influence coefficient mentioned above is the influence of the second temperature corresponding to each working scene on the actual temperature of the battery in the composite working scene, and the influence coefficient may be an amplification factor or a reduction coefficient.
  • the first temperature is first determined by the thermistor, such as 49 ° C, in the data table corresponding to the game mode, the temperature corresponding to 49 ° C is 55 ° C, in the music mode In the corresponding data table, the temperature corresponding to 49 ° C is 48 ° C.
  • the influence coefficient set in advance for the game mode and the music mode can be found, for example, 0.1 and 1.1 respectively, the actual temperature of the mobile phone is 65.3 ° C, It can be seen that when the mobile phone is in a composite working scene, the actual temperature of the battery core tends to be higher than the maximum value of the temperature corresponding to each single working scene in the composite working scene.
  • the above data table before searching for the temperature information corresponding to the current working scenario of the mobile terminal from the data table, it is necessary to test different types of mobile terminals to form the above data table, which can be implemented by: When the mobile terminal is running in the specified working scenario, the actual temperature of the battery of the mobile terminal at multiple time points and the detected temperature detected by the temperature detecting component are obtained; and the actual temperature and the detected temperature corresponding to the same time point are saved to the data. table.
  • obtaining the actual temperature of the battery of the mobile terminal at multiple time points comprises: acquiring temperature collected by each of the plurality of sensors on the battery at each time point; and placing the multiple sensors at the same time point
  • the maximum value of the collected temperature is taken as the actual temperature of the battery at the same point in time.
  • the highest value of the temperature measured at a plurality of points on the cell is taken as the actual temperature of the cell.
  • the mobile phone battery can be thermally simulated in advance on the computer, and the thermal simulation data of the battery can be fitted to obtain a preset curve. After obtaining multiple actual temperatures, multiple actual temperatures are obtained. The fitting is performed to obtain a fitting curve; in the case where the fitting curve matches the preset curve, the actual temperature and the detected temperature are saved to the data table.
  • the abscissa indicates the temperature measured by the thermistor, and the ordinate indicates the actual temperature of the cell
  • the difference between the ordinate and the ordinate of the curve is less than the preset value, it is determined that the two match, indicating that the actual result matches the theoretical result.
  • the problem that the temperature detected by the thermistor caused by the heating of the main heating device on the mobile phone motherboard does not correspond to the actual temperature of the battery core can be solved by the data module in the battery position temperature compensation module, and the temperature of the thermistor is raised and charged.
  • the relationship between the rise in core temperature is stored in the data module.
  • thermocouples are respectively attached to the battery. Different positions of the core, such as a thermocouple resistance at the four corners of the cell and the center of the cell, the actual temperature value of the cell tested at these positions, and the temperature value tested by the NTC on the battery protection board Compare, do proper positive and negative calibration, and form a data table. In the data module, increase or decrease the temperature value of NTC data by a corresponding curve function to achieve an effect closer to the actual temperature. At the temperature, the battery charge and discharge management module finds the actual temperature value after finding the NTC data, and then determines the actual temperature of the battery.
  • the heat generated by other devices is negligible relative to the heat generated by the charging protection MOS tube or the discharge protection MOS tube, and therefore, if the working scene is a preset
  • the charging scene ie, the high current charging scene
  • the preset discharging scene ie, the large current discharging scene
  • the preset charging scene is a scene in which the charging current is greater than the first preset value
  • the preset discharging scene is that the discharging current is greater than the second preset.
  • the value of the scenario, searching for the temperature information corresponding to the current working scenario of the mobile terminal from the data table, and determining the battery temperature of the mobile terminal according to the temperature information may be implemented by: obtaining the charging duration or the discharging duration of the battery of the mobile terminal; Reading, in a data table corresponding to the preset charging scenario, a first temperature corresponding to the charging duration; or reading from the data table corresponding to the preset discharging scenario, the reading corresponds to the discharging duration The first temperature; the first temperature is taken as the battery temperature of the mobile terminal.
  • the method is as follows: acquiring the battery temperature of the mobile terminal at multiple time points when the mobile terminal is in the preset charging scene or the preset discharging scene; determining the charging duration or discharging of the mobile terminal in the preset charging scene or the preset discharging scene The duration; the correspondence between the charging duration or the length of the discharge of the mobile terminal and the battery temperature is saved to the data table.
  • overcurrent levels can be defined, and a data table is generated for each current level. When a large current is charged and discharged, the current level is determined first, and then the data is searched from the data table corresponding to the current level, thereby making it possible to Accurately determine the temperature of the cell.
  • the above method can be realized by the battery current temperature compensation module, and the battery is charged and discharged.
  • the detecting and timing module detects the charging and discharging current, starts the timing after the charging/discharging current reaches the first preset value or the second preset value, and saves the correspondence between the charging and discharging duration and the cell temperature to the data module.
  • you can call this database in the actual use later use the measured battery charge and discharge current magnitude and current duration to find the corresponding real battery
  • the temperature value is fed back to the battery charge and discharge management circuit to achieve a more accurate feedback of the cell temperature value.
  • Step S201 performing temperature simulation on the main heating device and the battery of the mobile phone, and measuring the simulation test data of the main heating device on the mobile phone affecting the temperature of the battery, including testing of a typical mobile application environment and an individual extreme application environment (ie, working scene). data.
  • the mobile phone is first subjected to thermal simulation test to obtain the temperature data of each part of the battery and the temperature of the heating device, and the corresponding relationship is established and saved for use.
  • FIG. 3 shows the battery compartment of the present application, and the present application selects three composite working scenarios for simulation test:
  • the temperature of the battery and the heating device can be simulated in a single working scenario.
  • thermocouples can be placed inside the battery compartment (located on the upper left of the battery) Angle, upper right corner, center point, lower left corner, lower right corner), test the temperature distribution map of the battery compartment corresponding to each scene, and obtain the data as shown in Table 1.
  • Step S202 performing temperature measurement on the main heating device and the battery of the mobile phone, and measuring measured test data of several main heating devices on the mobile phone affecting the temperature of the battery, including typical mobile phone application environment and individual extreme application environment test data.
  • the thermocouple was distributed in different positions in the battery compartment, and the measured actual data of the battery compartment was recorded.
  • Step S203 fitting the simulation data and the measurement data to obtain two curves.
  • the two curves are substantially the same, and the thermal simulation data is mainly used for verifying the subsequent actual measurements. If the two curves are approximately the same, a curve is generated based on the two curves for characterizing the relationship between the cell temperature and the temperature measured by the thermistor.
  • step S201 is the test data obtained by using the battery simulation
  • step S202 is the data obtained by the actual measurement in the debugging stage of the mobile phone software.
  • the weight of the measured data is relatively large. For the principle.
  • step S204 when the battery temperature is detected, the detected temperature is corrected by the above curve. If the actual temperature of the battery cell is greater than a preset value (such as 60 ° C), the mobile phone main chip will perform corresponding actions on whether the battery is over-temperature protected, such as shutdown.
  • a preset value such as 60 ° C
  • the large-current continuous discharge of the battery can be eliminated to the thermistor on the protection board.
  • the negative impact of NTC can also avoid the influence of the heating of the heating device on the thermistor, so that the actual temperature of the mobile phone battery (ie, the battery cell) can be accurately determined to avoid the situation of false shutdown and improve the user experience.
  • the technical solution of the embodiments of the present invention may be embodied in the form of a software product in essence or in the form of a software product stored in a storage medium (such as ROM/RAM, disk).
  • the optical disc includes a plurality of instructions for causing a terminal device (which may be a mobile phone, a computer, a server, or a network device, etc.) to perform the method described in the embodiments of the present invention.
  • a device for determining the temperature of the battery is provided, and the device is used to implement the above-mentioned embodiments and optional embodiments, and the description thereof has been omitted.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 10 is a block diagram showing the structure of a battery temperature determining apparatus according to an embodiment of the present invention. As shown in FIG. 10, the apparatus includes: a determining unit 101.
  • the determining unit is configured to, when receiving the temperature detecting request, search for temperature information corresponding to the current working scenario of the mobile terminal from the data table, and determine the battery temperature of the mobile terminal according to the temperature information.
  • the above working scene is a running mode of the mobile terminal, such as a single working scene such as web browsing, playing games, listening to music, standby, charging, etc., and may also be a composite working scene of "playing games + listening to music".
  • the determining unit when receiving the temperature detection request, searches for temperature information corresponding to the current working scenario of the mobile terminal from the data table, and determines the battery temperature of the mobile terminal according to the temperature information, instead of directly using the thermistor
  • the collected battery temperature solves the problem that the thermistor cannot accurately detect the wrong temperature of the mobile phone caused by the temperature of the battery, and improves the accuracy of detecting the battery temperature.
  • the above mobile terminals include, but are not limited to, mobile phones, tablets, PDAs, MIDs, smart phones. Watch, MP4.
  • the working scenario is one type.
  • the determining unit may include: a first determining module configured to acquire the first temperature detected by the temperature detecting component, wherein the temperature detecting component is disposed on the battery protection board of the mobile terminal; the first reading And taking a module, configured to read a second temperature corresponding to the first temperature from a data table corresponding to the working scenario; and the first processing module is configured to use the second temperature as a battery temperature of the mobile terminal.
  • the working scenario is multiple.
  • the determining unit may include: a first acquiring module configured to acquire the first temperature detected by the temperature detecting component; and a second reading module configured to respectively correspond to each working scene In the data table, reading a second temperature corresponding to the first temperature; and the second determining module is configured to determine a second temperature from the plurality of second temperatures as determining a battery temperature of the mobile terminal
  • determining, by the second determining module, the second temperature from the plurality of second temperatures as the battery temperature of the mobile terminal includes:
  • the maximum value among the plurality of second temperatures is taken as the battery temperature of the mobile terminal.
  • determining, by the second determining module, the second temperature from the plurality of second temperatures as the battery temperature of the mobile terminal further includes:
  • the battery temperature of the mobile terminal is determined by the influence coefficient corresponding to each working scene and the corresponding second temperature.
  • the first obtaining module is further configured to: before the determining unit searches for the temperature information corresponding to the current working scenario of the mobile terminal from the data table, when the mobile terminal runs in the specified working scenario, acquire the battery of the mobile terminal.
  • the obtaining, by the first acquiring module, the actual temperature of the battery of the mobile terminal at multiple time points includes:
  • the maximum value of the temperature collected by the multiple sensors at the same time point is taken as the actual temperature of the battery at the same time point.
  • the first obtaining module saves the actual temperature and the detected temperature corresponding to the same time point to the data table, including:
  • the fitting curve matches the preset curve
  • the actual temperature and the detected temperature are saved to the data table, wherein the preset curve is a curve obtained by fitting the thermal simulation data of the battery.
  • the working scene is a preset charging scene or a preset discharging scene
  • the preset charging scene is a scene in which the charging current is greater than the first preset value
  • the preset discharging scene is a scene in which the discharging current is greater than the second preset value.
  • the determining unit may The second acquiring module is configured to obtain a charging duration or a discharging duration of the battery of the mobile terminal, and the third reading module is configured to read the first corresponding to the charging duration from the data table corresponding to the preset charging scenario.
  • the first temperature corresponding to the discharge duration is read from the data table corresponding to the preset discharge scene; and the second processing module is configured to set the first temperature as the battery temperature of the mobile terminal.
  • the second obtaining module is further configured to:
  • the determining unit searches for the temperature information corresponding to the current working scene of the mobile terminal from the data table, if the mobile terminal is in the preset charging scene or the preset discharging scene, the battery temperature of the mobile terminal at multiple time points is obtained.
  • the correspondence relationship between the charging duration or the discharge duration of the mobile terminal and the battery temperature is saved to the data table.
  • the negative influence of the continuous discharge of the large current of the battery on the thermistor NTC on the protection board can be eliminated, and the influence of the heat generation of the heating device on the thermistor can be avoided, so that Make sure the actual temperature of the mobile phone battery to avoid accidental shutdown and improve the user experience.
  • each of the foregoing modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, each of the above modules is The form of any combination is located in a different processor.
  • a mobile terminal is further provided, and the mobile terminal includes any one of the battery temperature determining means described above.
  • the above mobile terminals include, but are not limited to, mobile phones, tablet computers, PDAs, MIDs, smart watches, MP4s, and the like.
  • the mobile phone of the present application also has a corresponding hardware circuit and related management software system for charging and discharging the mobile phone battery, and is also used with the management software system.
  • the data module that is, the data module, the battery charge and discharge current detection and the timing module for storing the correspondence between the temperature change caused by the heat generation of the main heating device of the mobile phone board and the temperature change of the battery core, and the temperature change and the charge and discharge duration caused by the heat generation of the MOS tube are saved.
  • the data module between the relational tables.
  • the determining unit of the mobile terminal searches for temperature information corresponding to the current working scenario of the mobile terminal from the data table, and determines the battery temperature of the mobile terminal according to the temperature information, instead of directly using
  • the battery temperature collected by the thermistor solves the problem that the thermistor cannot accurately detect the wrong temperature of the mobile phone caused by the temperature of the battery, and improves the accuracy of detecting the battery temperature.
  • a computer readable storage medium storing computer executable instructions that, when executed by a processor, implement the method of determining battery temperature.
  • Embodiments of the present invention also provide a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • the storage medium is further arranged to store program code for performing the following steps:
  • S2 Acquire a first temperature detected by the temperature detecting component, wherein the temperature detecting component is disposed on a battery protection board of the mobile terminal.
  • the second temperature is taken as the battery temperature of the mobile terminal.
  • the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a mobile hard disk e.g., a hard disk
  • magnetic memory e.g., a hard disk
  • the processor performs, according to the stored program code in the storage medium, when the temperature detection request is received, searching for temperature information corresponding to the current working scenario of the mobile terminal from the data table, and according to The temperature information determines the battery temperature of the mobile terminal.
  • the processor performs, according to the stored program code in the storage medium, acquiring the first temperature detected by the temperature detecting component, wherein the temperature detecting component is disposed on the battery protection board of the mobile terminal; A second temperature corresponding to the first temperature is read from the data table corresponding to the work scene; and the second temperature is used as the battery temperature of the mobile terminal.
  • all or part of the steps of the above embodiments may also be implemented by using an integrated circuit. These steps may be separately fabricated into individual integrated circuit modules, or multiple modules or steps may be fabricated into a single integrated circuit module. achieve.
  • the devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • the device/function module/functional unit in the above embodiment When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • the temperature information corresponding to the current working scenario of the mobile terminal is searched from the data table, and the battery temperature of the mobile terminal is determined according to the temperature information, instead of directly using the thermistor
  • the collected battery temperature solves the problem that the thermistor cannot accurately detect the wrong temperature of the mobile phone caused by the temperature of the battery, and improves the accuracy of detecting the battery temperature.

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Abstract

一种电池温度的确定方法，包括：在接收到温度检测请求时，从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据温度信息确定移动终端的电池温度。还公开了一种电池温度的确定装置及包括该装置的移动终端。

Description

一种移动终端、电池温度的确定方法及装置 技术领域
本申请涉及温度检测领域，尤其涉及一种移动终端、电池温度的确定方法及装置。
背景技术
目前，在手机行业中，对电池的工作温度是有限制的，如，国标要求电池充电时允许的温度范围为0℃到45℃，电池放电时允许的温度范围为-10℃到60℃。为了保护电池，电芯规格书会承诺可在高温区域进行有限制条件的充电等，针对这个要求，一般电池会在电池保护板上增加热敏电阻NTC以探测电池的温度，并对电池进行保护，保证电池的工作温度是在允许的工作范围内，如果探测到温度超出了电池的允许工作温度范围，则强制手机进行关机，以使电池停止工作，从而保护电池。
在对电池温度进行检测时，电池保护板上的热敏电阻NTC会随温度不同而表现出不同的电阻值，这个电阻值被实时地反馈给手机管理芯片，经过管理芯片转换成温度信息，从而可以根据NTC阻值信息来控制管理电池的工作温度。
电池一般是由电芯和电池保护电路两部分组成的，往往是对电芯部分的工作温度有较严格的要求，而对电池保护板的工作温度的要求则较低，其工作温度范围可以适当增大，因此，在进行电池温度监测时，更关注电芯部分的温度情况。现在的电池体积越来越大，所分布区域也越来越大，电池不同部位温度也因为受不同环境和手机主板发热器件的影响而不同，在电池保护板自身发热时，用电池保护板上的热敏电阻NTC测得的温度来表征电芯的温度，就会产生较大的误差，如，在发热器件刚好在电池保护板的热敏电阻附近时，当手机工作时，器件散发的热量很快被传递给电池保护板上的NTC，在检测到的温度超过60度时，手机很快就关机了，而实际上，电芯温度远没有达到60度，这样就产生的误关机事件，从而影响用户的体验；再如，在手机主要发热器件更接近电芯的情况下，当电芯温度达到或超过60度时，保护板上的NTC因为距离较远而没有达到60度，反馈给手机管理芯片的信息也 会是没有达到60度，这样会使电芯在超出温度范围时仍然处于工作状态，没有起到温度保护的作用，甚至引起电芯鼓包等危险事件。
由于智能手机屏幕越来越大，功能越来越强，耗电也越来越厉害，尤其是在几种大功耗功能同时工作时，使得电池不得不进行持续大电流的放电，而电池持续大电流放电会引起电池保护板自身的发热，进而影响保护板上热敏电阻的温度反馈，由于反馈的温度并不是电芯的实际温度，从而可能引起手机误关机，影响用户的体验。
针对相关技术中，由于热敏电阻无法准确检测电池温度造成的手机误关机的问题，目前尚未提出有效的解决方案。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本发明实施例提供了一种移动终端、电池温度的确定方法及装置，解决了相关技术中，由于热敏电阻无法准确检测电池温度造成的手机误关机的问题。
一种电池温度的确定方法，该方法包括：在接收到温度检测请求时，从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据温度信息确定移动终端的电池温度。
可选地，所述工作场景为一种。
如果工作场景为一种，则从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据温度信息确定移动终端的电池温度包括：获取由温度检测部件检测到的第一温度，其中，温度检测部件设置在移动终端的电池保护板上；从与工作场景对应的数据表中，读取与第一温度对应的第二温度；将第二温度作为移动终端的电池温度。
可选地，所述工作场景为多种。
如果工作场景为多种，则从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据温度信息确定移动终端的电池温度包括：获取由温度检测部件检测到的第一温度；分别从与每一种工作场景对应的数据表中，读 取与第一温度对应的第二温度；从多个第二温度中确定出一个第二温度作为移动终端的电池温度。
可选地，从多个所述第二温度中确定出一个第二温度作为所述移动终端的电池温度包括：将多个第二温度中的极大值作为移动终端的电池温度。
可选地，从多个所述第二温度中确定出一个第二温度作为所述移动终端的电池温度还包括：获取为每一种工作场景预先设置的影响系数；由每一种工作场景对应的影响系数和对应的第二温度确定移动终端的电池温度。
可选地，该方法还包括：在从数据表中查找与移动终端当前的工作场景对应的温度信息之前，当移动终端在指定的工作场景下运行时，获取移动终端的电池在多个时间点的实际温度和由温度检测部件检测到的检测温度；将同一个时间点对应的实际温度和检测温度保存至数据表。
可选地，获取移动终端的电池在多个时间点的实际温度包括：获取由电池上的多个位置的多个传感器在每个时间点采集到的温度；将多个传感器在同一个时间点采集到的温度中的极大值，作为电池在同一个时间点的实际温度。
可选地，将同一个时间点对应的实际温度和检测温度保存至数据表包括：对多个实际温度进行拟合，得到拟合曲线；在拟合曲线与预设曲线匹配的情况下，将实际温度和检测温度保存至数据表，其中，预设曲线为对电池的热仿真数据进行拟合处理得到的曲线。
可选地，工作场景为预设充电场景或预设放电场景，预设充电场景为充电电流大于第一预设值的场景，预设放电场景为放电电流大于第二预设值的场景。
从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据温度信息确定移动终端的电池温度包括：获取移动终端的电池的充电时长或放电时长；从与预设充电场景对应的数据表中，读取与充电时长对应的第一温度；或者，从与预设放电场景对应的数据表中，读取与放电时长对应的第一温度；；将第一温度作为移动终端的电池温度。
可选地，该方法还包括：在从数据表中查找与移动终端当前的工作场景 对应的温度信息之前，在移动终端处于预设充电场景或预设放电场景的情况下，获取移动终端在多个时间点的电池温度；确定所述移动终端处于所述预设充电场景的充电时长，或者，确定所述移动终端处于所述预设放电场景的放电时长；将移动终端的充电时长或放电时长与电池温度的对应关系保存至数据表。
一种电池温度的确定装置，该装置包括：确定单元，设置为在接收到温度检测请求时，从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据温度信息确定移动终端的电池温度。
可选地，所述工作场景为一种。
如果工作场景为一种，则确定单元包括：第一确定模块，设置为获取由温度检测部件检测到的第一温度，其中，温度检测部件设置在移动终端的电池保护板上；第一读取模块，设置为从与工作场景对应的数据表中，读取与第一温度对应的第二温度；第一处理模块，设置为将第二温度作为移动终端的电池温度。
可选地，所述工作场景为多种。
如果工作场景为多种，则确定单元包括：第一获取模块，设置为获取由温度检测部件检测到的第一温度；第二读取模块，设置为分别从与每一种工作场景对应的数据表中，读取与第一温度对应的第二温度；第二确定模块，设置为从多个第二温度中确定出一个第二温度作为移动终端的电池温度。
可选地，第二确定模块从多个第二温度中确定出一个第二温度作为移动终端的电池温度包括：
将多个第二温度中的极大值作为移动终端的电池温度。
可选地，第二确定模块从多个第二温度中确定出一个第二温度作为移动终端的电池温度还包括：
获取为每一种工作场景预先设置的影响系数。
由每一种工作场景对应的影响系数和对应的第二温度确定移动终端的电池温度。
可选地，第一获取模块还设置为：在确定单元从数据表中查找与移动终 端当前的工作场景对应的温度信息之前，当移动终端在指定的工作场景下运行时，获取移动终端的电池在多个时间点的实际温度和由温度检测部件检测到的检测温度。
将同一个时间点对应的实际温度和检测温度保存至数据表。
可选地，第一获取模块获取移动终端的电池在多个时间点的实际温度包括：
获取由电池上的多个位置的多个传感器在每个时间点采集到的温度；
将多个传感器在同一个时间点采集到的温度中的极大值，作为电池在同一个时间点的实际温度。
可选地，第一获取模块将同一个时间点对应的实际温度和检测温度保存至数据表包括：
对多个实际温度进行拟合，得到拟合曲线。
在拟合曲线与预设曲线匹配的情况下，将实际温度和检测温度保存至数据表，其中，预设曲线为对电池的热仿真数据进行拟合处理得到的曲线。
可选地，工作场景为预设充电场景或预设放电场景，预设充电场景为充电电流大于第一预设值的场景，预设放电场景为放电电流大于第二预设值的场景。
确定单元包括：第二获取模块，设置为获取移动终端的电池的充电时长或放电时长；第三读取模块，设置为从与预设充电场景对应的数据表中，读取与充电时长对应的第一温度；或者，从与预设放电场景对应的数据表中，读取与放电时长对应的第一温度；第二处理模块，设置为将第一温度作为移动终端的电池温度。
可选地，第二获取模块还设置为：
在确定单元从数据表中查找与移动终端当前的工作场景对应的温度信息之前，在移动终端处于预设充电场景或预设放电场景的情况下，获取移动终端在多个时间点的电池温度。
确定移动终端处于预设充电场景的充电时长，或者，确定移动终端处于预设放电场景的放电时长。
将移动终端的充电时长或放电时长与电池温度的对应关系保存至数据表。
一种移动终端，该移动终端包括上述的任意一种电池温度的确定装置。
一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令被处理器执行时实现所述的电池温度的确定方法。
通过本发明实施例方案，在接收到温度检测请求时，从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据温度信息确定移动终端的电池温度，而不是直接使用热敏电阻采集到的电池温度，解决了相关技术中，由于热敏电阻无法准确检测电池温度造成的手机误关机的问题，提高了对电池温度的检测的准确度。
附图概述
图1是根据本发明实施例的电池温度的确定方法的流程图；
图2是根据本发明实施例的一个可选的电池温度的确定方法的流程图；
图3是根据本发明实施例的电池仓的示意图；
图4是根据本发明实施例的一个可选的手机正背面的温度的示意图；
图5是根据本发明实施例的一个可选的电池仓的温度的示意图；
图6是根据本发明实施例的另一个可选的手机正背面的温度的示意图；
图7是根据本发明实施例的另一个可选的电池仓的温度的示意图；
图8是根据本发明实施例的另一个可选的手机正背面的温度的示意图；
图9是根据本发明实施例的另一个可选的电池仓的温度的示意图；
图10是根据本发明实施例的电池温度的确定装置的结构框图。
本发明的实施方式
下文中将参考附图并结合实施例来详细说明本发明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
需要说明的是，本发明实施例的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或 先后次序。
实施例1
在本实施例中，提供了一种电池温度的确定方法的实施例，图1是根据本发明实施例的电池温度的确定方法的流程图，如图1所示，该流程包括步骤S101：
步骤S101，在接收到温度检测请求时，从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据温度信息确定移动终端的电池温度。
上述的工作场景即移动终端的运行模式，如网页浏览、玩游戏、听音乐、待机、充电等单一的工作场景，也可以是“玩游戏+听音乐”的复合工作场景。
通过上述步骤，在接收到温度检测请求时，从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据温度信息确定移动终端的电池温度，而不是直接使用热敏电阻采集到的电池温度，解决了相关技术中，由于热敏电阻无法准确检测电池温度造成的手机误关机的问题，提高了对电池温度的检测的准确度。
可选地，上述步骤的执行主体可以为移动终端，但不限于此。
上述的移动终端包括，但不局限于手机、平板电脑、PDA、MID、智能手表、MP4等。下面以手机为例详述本申请的实施例：
手机的电池管理部分可由四个部分组成，包括手机充放电管理模块、电池保护板热敏电阻、电池位置温度补偿模块以及电池电流温度补偿模块。针对由于手机主板上主要发热器件靠近电芯引起的热敏电阻的温度检测不准确的情况，电池位置温度补偿模块提供手机主板上主要发热器件在发热时的温度变化与电芯温度变化之间的对应关系，以根据检测到的温度对电池的实际温度进行补偿处理；电池电流温度补偿模块主要包括电池充放电电流检测及计时模块、MOS管发热与持续时间关系表数据模块，以根据持续时间对电池的温度进行补偿处理，考虑到电池保护板上MOS管在大电流情况下的发热引起保护板上的NTC值(即热敏电阻检测到的温度值)与电芯实际值不相同的情况，电池电流温度补偿模块提供MOS管在经历大电流充电或大电流放电时，电芯温度与NTC值之间的对应关系。
手机主板的器件一般用于负责一项或者几项功能，因此，器件的负荷情况与手机的工作场景相关联，可根据在该工作场景下的NTC值确定电芯的实际温度。
如果工作场景为一种(即单一工作场景)，即手机处于单一工作场景时，上述实施例中的从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据温度信息确定移动终端的电池温度可通过如下方式实现：获取由温度检测部件(如电池板护板上的热敏电阻)检测到的第一温度，温度检测部件设置在移动终端的电池保护板上；从与工作场景对应的数据表中，读取与第一温度对应的第二温度；将第二温度作为移动终端的电池温度。
需要说明的是，在数据表中，可以保存第一温度与第二温度之间一一对应的关系，在查找与第一温度对应的第二温度时，可根据对应关系确定，另外，如果在数据表中未查找到与第一温度相同的温度，则可查询与第一温度最接近的温度，即查找与第一温度的差值最小的温度，并将该温度对应的第二温度作为与第一温度对应的第二温度；也可保存一个第一温度的温度范围与一个第二温度之间的对应关系，即在第一温度落在某个温度范围时，读取与该温度范围对应的第二温度即可。
如果工作场景为多种，即手机处于复合工作场景中时，上述实施例中的从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据温度信息确定移动终端的电池温度可通过如下方式实现：获取由温度检测部件检测到的第一温度；分别从与每一种工作场景对应的数据表中，读取与第一温度对应的第二温度；基于多个第二温度确定移动终端的电池温度。
由于在复合工作场景中，可根据第一温度确定多个第二温度，在基于多个第二温度确定移动终端的电池温度时，可将多个第二温度中的极大值作为移动终端的电池温度。
由于手机运行在复合工作场景时，某些需要同时参与两种或者多种工作场景的器件的负荷会变大，即其发热量会继续增大，在直接将多个第二温度中的极大值作为移动终端的电池温度时，会出现偏差，因而，在基于多个第二温度确定移动终端的电池温度时，可获取为每一种工作场景设置的影响系数；由每一种工作场景对应的影响系数和对应的第二温度确定移动终端的电 池温度。
上述的影响系数为在复合工作场景时，每个工作场景对应的第二温度对电芯的实际温度的影响力，该影响系数可以为放大系数、也可以为缩小系数。
例如，在手机处于游戏模式和音乐模式时，先通过热敏电阻确定第一温度，如49℃，在与游戏模式对应的数据表中，对应于49℃的温度为55℃，在与音乐模式对应的数据表中，对应于49℃的温度为48℃，此时，可以查找预先为游戏模式和音乐模式设置的影响系数了，如分别为0.1和1.1，则手机的实际温度为65.3℃，由此可见，在手机处于复合工作场景时，电芯的实际温度往往会高于复合工作场景中每个单一工作场景对应的温度中的极大值。
在上述实施例中，在从数据表中查找与移动终端当前的工作场景对应的温度信息之前，需要对不同类型的移动终端进行测试，以形成上述的数据表，可通过下述方式实现：当移动终端在指定的工作场景下运行时，获取移动终端的电池在多个时间点的实际温度和由温度检测部件检测到的检测温度；将同一个时间点对应的实际温度和检测温度保存至数据表。
可选地，获取移动终端的电池在多个时间点的实际温度包括：获取由电池上的多个位置的多个传感器在每个时间点采集到的温度；将多个传感器在同一个时间点采集到的温度中的极大值，作为电池在同一个时间点的实际温度。即将在电芯上多个点测得的温度中的最高值作为电芯的实际温度。
为了防止检测到的数据不准确，可以预先在计算机上对手机电池进行热仿真，对电池的热仿真数据进行拟合处理得到一个预设曲线，在得到多个实际温度之后，对多个实际温度进行拟合，得到拟合曲线；在拟合曲线与预设曲线匹配的情况下，将实际温度和检测温度保存至数据表。例如，将拟合曲线和预设曲线放置在同一个坐标系下(横坐标表示热敏电阻测得的温度，纵坐标表示电芯的实际温度)，对应于任意的同一个横坐标，预设曲线与拟合曲线的纵坐标之差小于预设值，则确定二者匹配，表示实际结果与理论结果相匹配。
针对手机主板上主要发热器件发热引起的热敏电阻检测到的温度与电芯实际温度不对应的问题，可通过电池位置温度补偿模块中的数据模块来解决，将热敏电阻温度升高与电芯温度上升之间关系存储在数据模块中。
上述的数据模块需要在实际环境搭建后测试得出，并记录编辑成数据模块，此数据模块通过以下方式建立，在测试环境搭建后，用多个(如5个)热电偶分别贴在电池电芯的不同位置，如在电芯的四个角上和电芯中心位置分别设置一个热偶电阻，用这些位置测试出的电芯实际温度值，与电池保护板上NTC测试出的温度值进行比较，做适当的正负校准，并形成数据表，在数据模块中将NTC数据以某种对应的曲线函数增加或减小温度数值，以达到更接近实际温度的效果，在需要查询电池的实际温度时，电池充放电管理模块查找到NTC数据后再查找对应的真实温度值，即可确定电芯的实际温度。
可选地，在手机处于大电流充电场景或者大电流放电场景时，相对于充电保护MOS管或者放电保护MOS管产生的热量，其它器件产生的热量可忽略不计，因此，如果工作场景为预设充电场景(即大电流充电场景)或预设放电场景(即大电流放电场景)，预设充电场景为充电电流大于第一预设值的场景，预设放电场景为放电电流大于第二预设值的场景，从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据温度信息确定移动终端的电池温度可以通过如下方式实现：获取移动终端的电池的充电时长或放电时长；从与所述预设充电场景对应的数据表中，读取与所述充电时长对应的第一温度；或者，从与所述预设放电场景对应的数据表中，读取与所述放电时长对应的第一温度；将第一温度作为移动终端的电池温度。
需要说明的是，在从数据表中查找与移动终端当前的工作场景对应的温度信息之前，需要在移动终端在大电流充电场景或者大电流放电场景运行时进行测试，以形成上述的数据表，方法如下：在移动终端处于预设充电场景或预设放电场景的情况下，获取移动终端在多个时间点的电池温度；确定移动终端处于预设充电场景或预设放电场景的充电时长或放电时长；将移动终端的充电时长或放电时长与电池温度的对应关系保存至数据表。
为了更准确地确定MOS管的发热情况对电芯温度的影响。可定义多个过电流等级，为每一个电流等级生成一个数据表，在出现大电流充放电时，先确定电流等级，然后再从对应于该电流等级的数据表中查找数据，从而可以更为准确的确定电芯的温度。
上述的方法可以通过电池电流温度补偿模块实现，通过电池充放电电流 检测及计时模块对充放电电流进行检测，在充放电电流达到第一预设值或者第二预设值之后，开始计时，并将充放电时长与电芯温度之间的对应关系保存至数据模块中，通过把数据按照一定规律和手机工作场景做测试并记录编辑成数据库，可在后面实际使用时调用这个数据库，用测量到的电池充放电电流大小与电流持续时间来查找相应的真实电芯温度值，再反馈给电池充放电管理电路，以达到更准确反馈电芯温度值的目的。
由于每款手机会因为主板布局不同，电芯温度与热敏电阻检测到的温度之间的对应关系也会不同，因此，需要为不同类型的手机，不同类型的工作场景建立对应的数据表，建立数据表的方式如图2所示，包括步骤S201-S204：
步骤S201，对手机的主要发热器件和电池进行温度仿真，测取手机上的主要发热器件影响电芯温度的仿真测试数据，包括典型的手机应用环境与个别极端应用环境(即工作场景)的测试数据。在不同场景下，先对手机进行热仿真测试，得到电池各部位温度数据和发热器件的温度，并建立对应关系，保存待用。
图3示出了本申请的电池仓，本申请选取了3种复合工作场景进行仿真测试：
(1)“游戏+屏亮+充电”的复合工作场景，在这种场景下，手机正面和背面的热像图如图4所示，电池正面和背面的热像图如图5所示，图4和图5中用不同的图案表示不同的温度。
(2)“最大功率通话+充电”的复合工作场景，在这种场景下，手机正面和背面的热像图如图6所示，电池正面和背面的热像图如图7所示。
(3)“最大功率上网+充电+屏亮”的复合工作场景，在这种场景下，手机正面和背面的热像图如图8所示，电池正面和背面的热像图如图9所示。
在图4至图9的每一个图中，用不用的图案表示不同的温度，在现实中，可用不同的颜色表示不同的温度，从上述三种场景的热仿真结果可看出，在不同场景下以及不同手机主板的布局下，电池温度最高点是变化的。
可选取几种常见的复合工作场景进行测试，以得到对应的数据库或者数据表，在使用手机的过程中，直接调用该数据表，得到电池电芯的实际温度， 而不用分别获取每个单一场景的温度，再进行合成得到电芯温度。
可选地，为了提高仿真结果的准确度，可以在单一工作场景下，对电池、发热器件的温度进行仿真。
在进行热仿真后，拿到最初的数据，对手机做相应应用场景下的测试，主要关注的是电池仓的温度分布；可以在电池仓内部至少放置5个热电偶(分别放在电池的左上角、右上角、中心点、左下角、右下角)，测试对应每个场景下的电池仓温度分布图，得到如表1所示的数据。
表1
工作场景 左上 右上 中心点 左下 右下
游戏+屏亮+充电 50.2 49 48.5 48.7 47.8
最大功率通话+充电 36.4 35.6 35.4 35.2 35
最大功率上网+充电+屏亮 49.6 47.9 47.5 47.7 46.8
步骤S202，对手机的主要发热器件和电池进行温度测量，测取手机上的几个主要发热器件影响电芯温度的实测测试数据，包括典型的手机应用环境与个别极端应用环境测试数据。在不同场景下用热电偶分布在电池仓不同位置，测试到的电池仓的实测实据记录。
步骤S203，对仿真数据和测量数据进行拟合处理，得到两条曲线，一般情况下，这两条曲线是大致相同的，热仿真数据主要用于对后续实测进行验证。如果这两条曲线大致相同，则基于这两条曲线生成一条用于表征电芯温度与热敏电阻测得的温度之间关系的曲线。
需要说明的是，步骤S201的数据是在利用电池仿真获得的测试数据，步骤S202的数据是在手机软件调试阶段实测获得的数据，在合成模拟两个曲线数据时，当以实测数据权重较大为原则。
步骤S204，在检测电池温度时，通过上述曲线对检测到的温度进行校正。如果电芯的实际温度大于一个预设值(如60℃)，则由手机主芯片对电池是否进行过温保护做出相应的动作，如关机。
通过上述实施例，可消除电池大电流持续放电对保护板上的热敏电阻 NTC的负面影响，还能避免发热器件的发热对热敏电阻的影响，从而可以准确确定手机电池(即电芯)的实际温度，避免出现误关机的情况，提高用户的体验。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到根据上述实施例的方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本发明实施例的技术方案本质上或者说对相关技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括多个指令用以使得一台终端设备(可以是手机，计算机，服务器，或者网络设备等)执行本发明实施例所述的方法。
实施例2
在本实施例中还提供了一种电池温度的确定装置，该装置用于实现上述实施例及可选实施方式，已经进行过说明的不再赘述。如以下所使用的，术语“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置较佳地以软件来实现，但是硬件，或者软件和硬件的组合的实现也是可能并被构想的。
图10是根据本发明实施例的电池温度的确定装置的结构框图，如图10所示，该装置包括：确定单元101。
确定单元设置为在接收到温度检测请求时，从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据温度信息确定移动终端的电池温度。
上述的工作场景即移动终端的运行模式，如网页浏览、玩游戏、听音乐、待机、充电等单一的工作场景，也可以是“玩游戏+听音乐”的复合工作场景。
通过上述实施例，在接收到温度检测请求时，确定单元从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据温度信息确定移动终端的电池温度，而不是直接使用热敏电阻采集到的电池温度，解决了相关技术中，由于热敏电阻无法准确检测电池温度造成的手机误关机的问题，提高了对电池温度的检测的准确度。
上述的移动终端包括，但不局限于手机、平板电脑、PDA、MID、智能 手表、MP4。
可选地，所述工作场景为一种。
如果工作场景为一种，则确定单元可包括：第一确定模块，设置为获取由温度检测部件检测到的第一温度，其中，温度检测部件设置在移动终端的电池保护板上；第一读取模块，设置为从与工作场景对应的数据表中，读取与第一温度对应的第二温度；第一处理模块，设置为将第二温度作为移动终端的电池温度。
可选地，所述工作场景为多种。
如果工作场景为多种，则确定单元可包括：第一获取模块，设置为获取由温度检测部件检测到的第一温度；第二读取模块，设置为分别从与每一种工作场景对应的数据表中，读取与第一温度对应的第二温度；第二确定模块，设置为从多个第二温度中确定出一个第二温度作为确定移动终端的电池温度
可选地，第二确定模块从多个第二温度中确定出一个第二温度作为移动终端的电池温度包括：
将多个第二温度中的极大值作为移动终端的电池温度。
可选地，第二确定模块从多个第二温度中确定出一个第二温度作为移动终端的电池温度还包括：
获取为每一种工作场景预先设置的影响系数。
由每一种工作场景对应的影响系数和对应的第二温度确定移动终端的电池温度。
可选地，第一获取模块还设置为：在确定单元从数据表中查找与移动终端当前的工作场景对应的温度信息之前，当移动终端在指定的工作场景下运行时，获取移动终端的电池在多个时间点的实际温度和由温度检测部件检测到的检测温度。
将同一个时间点对应的实际温度和检测温度保存至数据表。
可选地，第一获取模块获取移动终端的电池在多个时间点的实际温度包括：
获取由电池上的多个位置的多个传感器在每个时间点采集到的温度；
将多个传感器在同一个时间点采集到的温度中的极大值，作为电池在同一个时间点的实际温度。
可选地，第一获取模块将同一个时间点对应的实际温度和检测温度保存至数据表包括：
对多个实际温度进行拟合，得到拟合曲线。
在拟合曲线与预设曲线匹配的情况下，将实际温度和检测温度保存至数据表，其中，预设曲线为对电池的热仿真数据进行拟合处理得到的曲线。
可选地，工作场景为预设充电场景或预设放电场景，预设充电场景为充电电流大于第一预设值的场景，预设放电场景为放电电流大于第二预设值的场景。
如果工作场景为预设充电场景或预设放电场景，预设充电场景为充电电流大于第一预设值的场景，预设放电场景为放电电流大于第二预设值的场景，则确定单元可包括：第二获取模块，设置为获取移动终端的电池的充电时长或放电时长；第三读取模块，设置为从与预设充电场景对应的数据表中，读取与充电时长对应的第一温度；或者，从与预设放电场景对应的数据表中，读取与放电时长对应的第一温度；第二处理模块，设置为将第一温度作为移动终端的电池温度。
可选地，第二获取模块还设置为：
在确定单元从数据表中查找与移动终端当前的工作场景对应的温度信息之前，在移动终端处于预设充电场景或预设放电场景的情况下，获取移动终端在多个时间点的电池温度。
确定移动终端处于预设充电场景的充电时长，或者，确定移动终端处于预设放电场景的放电时长。
将移动终端的充电时长或放电时长与电池温度的对应关系保存至数据表。
通过上述实施例，可消除电池大电流持续放电对保护板上的热敏电阻NTC的负面影响，还能避免发热器件的发热对热敏电阻的影响，从而可以准 确确定手机电池的实际温度，避免出现误关机的情况，提高用户的体验。
需要说明的是，上述每个模块是可以通过软件或硬件来实现的，对于后者，可以通过以下方式实现，但不限于此：上述模块均位于同一处理器中；或者，上述每个模块以任意组合的形式分别位于不同的处理器中。
实施例3
在本实施例中还提供了一种移动终端，该移动终端包括上述的任意一种电池温度的确定装置。
上述的移动终端包括，但不局限于手机、平板电脑、PDA、MID、智能手表、MP4等。下面以手机为例详述本申请的实施例：
本申请的手机除了手机必须的通讯、显示、音视频，蓝牙等子系统外，还具备对手机电池进行充放电管理的相应的硬件电路和相关管理软件系统，还具备与管理软件系统配合使用的数据模块，即保存手机主板主要发热器件发热引起的温度变化与电芯温度变化间的对应关系的数据模块、电池充放电电流检测及计时模块，保存MOS管发热引起的温度变化与充放电持续时间之间关系表的数据模块。
通过上述实施例，在接收到温度检测请求时，移动终端的确定单元从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据温度信息确定移动终端的电池温度，而不是直接使用热敏电阻采集到的电池温度，解决了相关技术中，由于热敏电阻无法准确检测电池温度造成的手机误关机的问题，提高了对电池温度的检测的准确度。
实施例4
一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令被处理器执行时实现所述的电池温度的确定方法。
本发明的实施例还提供了一种存储介质。可选地，在本实施例中，上述存储介质可以被设置为存储用于执行以下步骤的程序代码：
S1，在接收到温度检测请求时，从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据温度信息确定移动终端的电池温度。
可选地，存储介质还被设置为存储用于执行以下步骤的程序代码：
S2，获取由温度检测部件检测到的第一温度，其中，温度检测部件设置在移动终端的电池保护板上。
S3，从与工作场景对应的数据表中，读取与第一温度对应的第二温度。
S4，将第二温度作为移动终端的电池温度。
可选地，在本实施例中，上述存储介质可以包括但不限于：U盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、移动硬盘、磁碟或者光盘等多种可以存储程序代码的介质。
可选地，在本实施例中，处理器根据存储介质中已存储的程序代码执行：在接收到温度检测请求时，从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据温度信息确定移动终端的电池温度。
可选地，在本实施例中，处理器根据存储介质中已存储的程序代码执行：获取由温度检测部件检测到的第一温度，其中，温度检测部件设置在移动终端的电池保护板上；从与工作场景对应的数据表中，读取与第一温度对应的第二温度；将第二温度作为移动终端的电池温度。
可选地，本实施例中的示例可以参考上述实施例及可选实施方式中所描述的示例，本实施例在此不再赘述。
本领域普通技术人员可以理解上述实施例的全部或部分步骤可以使用计算机程序流程来实现，所述计算机程序可以存储于计算机可读存储介质中，所述计算机程序在相应的硬件平台上(如系统、设备、装置、器件等)执行，在执行时，包括方法实施例的步骤之一或其组合。
可选地，上述实施例的全部或部分步骤也可以使用集成电路来实现，这些步骤可以被分别制作成一个个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。
上述实施例中的装置/功能模块/功能单元可以采用通用的计算装置来实现，它们可以集中在单个的计算装置上，也可以分布在多个计算装置所组成的网络上。
上述实施例中的装置/功能模块/功能单元以软件功能模块的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。 上述提到的计算机可读取存储介质可以是只读存储器，磁盘或光盘等。
工业实用性
通过本发明实施例方案，在接收到温度检测请求时，从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据温度信息确定移动终端的电池温度，而不是直接使用热敏电阻采集到的电池温度，解决了相关技术中，由于热敏电阻无法准确检测电池温度造成的手机误关机的问题，提高了对电池温度的检测的准确度。

Claims (22)

  1. 一种电池温度的确定方法，包括：
    在接收到温度检测请求时，从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据所述温度信息确定所述移动终端的电池温度。
  2. 根据权利要求1所述的电池温度的确定方法，其中，所述工作场景为一种；
    如果所述工作场景为一种，则从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据所述温度信息确定所述移动终端的电池温度包括：
    获取由温度检测部件检测到的第一温度，其中，所述温度检测部件设置在所述移动终端的电池保护板上；
    从与所述工作场景对应的数据表中，读取与所述第一温度对应的第二温度；
    将所述第二温度作为所述移动终端的电池温度。
  3. 根据权利要求1所述的电池温度的确定方法，其中，所述工作场景为多种；
    如果所述工作场景为多种，则从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据所述温度信息确定所述移动终端的电池温度包括：
    获取由温度检测部件检测到的第一温度；
    分别从与每一种所述工作场景对应的数据表中，读取与所述第一温度对应的第二温度；
    从多个所述第二温度中确定出一个第二温度作为所述移动终端的电池温度。
  4. 根据权利要求3所述的电池温度的确定方法，其中，所述从多个所述第二温度中确定出一个第二温度作为所述移动终端的电池温度包括：
    将多个所述第二温度中的极大值作为所述移动终端的电池温度。
  5. 根据权利要求4所述的电池温度的确定方法，其中，从多个所述第二温度中确定出一个第二温度作为所述移动终端的电池温度还包括：
    获取为每一种所述工作场景预先设置的影响系数；
    由每一种所述工作场景对应的影响系数和对应的第二温度确定所述移动终端的电池温度。
  6. 根据权利要求1至5中任意一项所述的电池温度的确定方法，所述方法还包括：在从数据表中查找与移动终端当前的工作场景对应的温度信息之前，当所述移动终端在指定的工作场景下运行时，获取所述移动终端的电池在多个时间点的实际温度和由温度检测部件检测到的检测温度；
    将同一个时间点对应的所述实际温度和所述检测温度保存至所述数据表。
  7. 根据权利要求6所述的电池温度的确定方法，其中，获取所述移动终端的电池在多个时间点的实际温度包括：
    获取由所述电池上的多个位置的多个传感器在每个时间点采集到的温度；
    将所述多个传感器在同一个时间点采集到的温度中的极大值，作为所述电池在所述同一个时间点的实际温度。
  8. 根据权利要求7所述的电池温度的确定方法，其中，将同一个时间点对应的所述实际温度和所述检测温度保存至所述数据表包括：
    对多个所述实际温度进行拟合，得到拟合曲线；
    在所述拟合曲线与预设曲线匹配的情况下，将所述实际温度和所述检测温度保存至所述数据表，其中，所述预设曲线为对所述电池的热仿真数据进行拟合处理得到的曲线。
  9. 根据权利要求1所述的电池温度的确定方法，其中，所述工作场景为预设充电场景或预设放电场景，所述预设充电场景为充电电流大于第一预设值的场景，所述预设放电场景为放电电流大于第二预设值的场景；
    从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据所述温度信息确定所述移动终端的电池温度包括：
    获取所述移动终端的电池的充电时长或放电时长；
    从与所述预设充电场景对应的数据表中，读取与所述充电时长对应的第一温度；或者，从与所述预设放电场景对应的数据表中，读取与所述放电时长对应的第一温度；
    将所述第一温度作为所述移动终端的电池温度。
  10. 根据权利要求9所述的电池温度的确定方法，所述方法还包括：
    在从数据表中查找与移动终端当前的工作场景对应的温度信息之前，在所述移动终端处于所述预设充电场景或所述预设放电场景的情况下，获取所述移动终端在多个时间点的电池温度；
    确定所述移动终端处于所述预设充电场景的充电时长，或者，确定所述移动终端处于所述预设放电场景的放电时长；
    将所述移动终端的所述充电时长或所述放电时长与所述电池温度的对应关系保存至所述数据表。
  11. 一种电池温度的确定装置，包括：
    确定单元，设置为在接收到温度检测请求时，从数据表中查找与移动终端当前的工作场景对应的温度信息，并依据所述温度信息确定所述移动终端的电池温度。
  12. 根据权利要求11所述的电池温度的确定装置，其中，所述工作场景为一种；
    如果所述工作场景为一种，则所述确定单元包括：
    第一确定模块，设置为获取由温度检测部件检测到的第一温度，其中，所述温度检测部件设置在所述移动终端的电池保护板上；
    第一读取模块，设置为从与所述工作场景对应的数据表中，读取与所述第一温度对应的第二温度；
    第一处理模块，设置为将所述第二温度作为所述移动终端的电池温度。
  13. 根据权利要求11所述的电池温度的确定装置，其中，所述工作场景为多种；
    如果所述工作场景为多种，则所述确定单元包括：
    第一获取模块，设置为获取由温度检测部件检测到的第一温度；
    第二读取模块，设置为分别从与每一种所述工作场景对应的数据表中，读取与所述第一温度对应的第二温度；
    第二确定模块，设置为从多个所述第二温度中确定出一个第二温度作为所述移动终端的电池温度。
  14. 根据权利要求13所述的电池温度的确定装置，其中，所述第二确定模块从多个所述第二温度中确定出一个第二温度作为所述移动终端的电池温度包括：
    将多个所述第二温度中的极大值作为所述移动终端的电池温度。
  15. 根据权利要求14所述的电池温度的确定装置，其中，所述第二确定模块从多个所述第二温度中确定出一个第二温度作为所述移动终端的电池温度还包括：
    获取为每一种所述工作场景预先设置的影响系数；
    由每一种所述工作场景对应的影响系数和对应的第二温度确定所述移动终端的电池温度。
  16. 根据权利要求13中所述的电池温度的确定装置，所述第一获取模块还设置为：在所述确定单元从数据表中查找与移动终端当前的工作场景对应的温度信息之前，当所述移动终端在指定的工作场景下运行时，获取所述移动终端的电池在多个时间点的实际温度和由温度检测部件检测到的检测温度；
    将同一个时间点对应的所述实际温度和所述检测温度保存至所述数据表。
  17. 根据权利要求16所述的电池温度的确定装置，其中，所述第一获取模块获取所述移动终端的电池在多个时间点的实际温度包括：
    获取由所述电池上的多个位置的多个传感器在每个时间点采集到的温度；
    将所述多个传感器在同一个时间点采集到的温度中的极大值，作为所述电池在所述同一个时间点的实际温度。
  18. 根据权利要求17所述的电池温度的确定装置，其中，所述第一获取模块将同一个时间点对应的所述实际温度和所述检测温度保存至所述数据表包括：
    对多个所述实际温度进行拟合，得到拟合曲线；
    在所述拟合曲线与预设曲线匹配的情况下，将所述实际温度和所述检测温度保存至所述数据表，其中，所述预设曲线为对所述电池的热仿真数据进行拟合处理得到的曲线。
  19. 根据权利要求11所述的电池温度的确定装置，其中，所述工作场景为预设充电场景或预设放电场景，所述预设充电场景为充电电流大于第一预设值的场景，所述预设放电场景为放电电流大于第二预设值的场景；
    所述确定单元包括：
    第二获取模块，设置为获取所述移动终端的电池的充电时长或放电时长；
    第三读取模块，设置为从与所述预设充电场景对应的数据表中，读取与所述充电时长对应的第一温度；或者，从与所述预设放电场景对应的数据表中，读取与所述放电时长对应的第一温度；
    第二处理模块，设置为将所述第一温度作为所述移动终端的电池温度。
  20. 根据权利要求19所述的电池温度的确定装置，所述第二获取模块还设置为：
    在所述确定单元从数据表中查找与移动终端当前的工作场景对应的温度信息之前，在所述移动终端处于所述预设充电场景或所述预设放电场景的情况下，获取所述移动终端在多个时间点的电池温度；
    确定所述移动终端处于所述预设充电场景的充电时长，或者，确定所述移动终端处于所述预设放电场景的放电时长；
    将所述移动终端的所述充电时长或所述放电时长与所述电池温度的对应关系保存至所述数据表。
  21. 一种移动终端，包括权利要求11至20中任意一项所述的电池温度的确定装置。
  22. 一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令被处理器执行时实现权利要求1至10任意一项所述的电池温度的确定方法。
PCT/CN2016/085584 2016-05-18 2016-06-13 一种移动终端、电池温度的确定方法及装置 WO2017197681A1 (zh)

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