WO2014169642A1 - Device and method for detecting battery capacity, and battery - Google Patents
Device and method for detecting battery capacity, and battery Download PDFInfo
- Publication number
- WO2014169642A1 WO2014169642A1 PCT/CN2013/087346 CN2013087346W WO2014169642A1 WO 2014169642 A1 WO2014169642 A1 WO 2014169642A1 CN 2013087346 W CN2013087346 W CN 2013087346W WO 2014169642 A1 WO2014169642 A1 WO 2014169642A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- battery
- power
- cell
- percentage
- detecting
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
Definitions
- the present invention relates to the field of electronic technologies, and in particular, to an apparatus, method, and battery for detecting battery capacity.
- the smart phone power detecting scheme generally uses the current of detecting and discharging the battery to calculate the battery power, the battery voltage and the temperature as auxiliary conditions, and the power conversion is completely handed over to the mobile phone for processing.
- This scheme generally detects a battery of a known capacity, that is, the capacity of the battery is fixed, but the battery capacity varies according to the ambient temperature, so there is a problem that the battery capacity detection is inaccurate, and the detected battery power is divided by the known capacity. The percentage of the actual battery capacity.
- the technical problem to be solved by the present invention is to provide a device, a method and a battery for detecting a battery capacity.
- the integrated battery power detecting unit can calibrate the battery capacity in real time and report the detection result directly to the terminal.
- an embodiment of the present invention provides an apparatus for detecting a battery capacity, including: a power detecting module connected to a battery cell, configured to detect and calculate a percentage power of the battery; a communication module, configured to The percentage of the battery is transferred to the terminal via the communication bus.
- the device for detecting battery capacity further includes: a voltage conversion module connected between the battery cell and the power quantity detecting unit, configured to convert a voltage of the battery cell into an operating voltage of the power quantity detecting module.
- the device for detecting battery capacity further includes: A resistor connected to both the power detecting module and the battery cell is configured to detect the current flowing into and out of the battery cell.
- the power detecting module includes: a voltage detecting module configured to detect a voltage across the resistor; and a first calculating module configured to calculate a current flowing in and out of the battery according to a voltage across the resistor; a second calculating module, setting The electric quantity of the electric core is calculated by a formula according to a current flowing in and out of the electric cell; the formula is specifically -
- the power detecting module further includes: a first storage module, configured to store a preset correspondence between the cell voltage and the cell percentage; the first comparing module is configured to pass the actual cell voltage and pass Comparing the calculated percentage of cell charge with the stored cell voltage and cell percentage, and obtaining a first comparison result; the adjusting module is configured to perform the adjustment according to the first comparison result Cell percentage power.
- the power detecting module further includes: a second comparing module, configured to compare a percentage power of the battery cell with a set battery core power threshold to obtain a second comparison result; a statistics module, And being configured to count the amount of electricity entering the cell during charging of the battery when the second comparison result indicates that the percentage of the cell is lower than the set cell percentage threshold; a third comparison module, configured to compare the calculated power of the battery cell with a set battery saturation power to obtain a third comparison result; and a third calculation module, configured to indicate that the third comparison result indicates When the calculated battery power is not lower than the set battery saturation level, the actual capacity of the battery is calculated.
- An embodiment of the present invention further provides a method for detecting a battery capacity, including: detecting and calculating a percentage power of a battery cell; and transmitting a percentage power of the battery core to a terminal through a communication bus.
- the method for detecting a battery capacity wherein the step of detecting and calculating the percentage power of the battery cell is specifically: detecting a voltage across the resistor; calculating a current flowing in and out of the battery according to a voltage across the resistor; The current of the core is calculated by a formula to obtain the electric quantity of the electric core; the formula is specifically -
- the method for detecting a battery capacity further includes: comparing a cell actual voltage and a calculated cell core power with the stored cell voltage and a cell percentage power to obtain a first comparison result And calculating the cell percentage power according to the first comparison result auxiliary adjustment.
- the method for detecting battery capacity further includes: Comparing the percentage power of the battery cell with a set cell core power threshold to obtain a second comparison result; the second comparison result indicates that the cell's percentage charge is lower than the set cell When the percentage power threshold is used, the amount of electricity entering the battery during charging of the battery is counted; comparing the calculated power of the battery with the set battery saturation, a third comparison result is obtained; and the third comparison result indicates When the calculated battery power is not lower than the set battery saturation power, the actual capacity of the battery is calculated.
- Embodiments of the present invention also provide a battery, including the above device for detecting battery capacity.
- FIG. 1 is a schematic diagram of an apparatus for detecting a battery capacity according to an embodiment of the present invention.
- DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In order to make the technical problems, technical solutions, and advantages of the present invention more comprehensible, the following detailed description will be made in conjunction with the accompanying drawings and specific embodiments.
- an embodiment of the present invention provides a device, method and battery for detecting battery capacity, in view of the problem that the existing terminal device power conversion is completely handed over to the mobile phone for processing, and only the battery of the specified capacity can be detected, and the battery capacity cannot be automatically calibrated.
- an apparatus for detecting a battery capacity comprising: a power detecting module connected to a battery cell, configured to detect and calculate a percentage power of the battery.
- the communication module is configured to transmit the percentage power of the battery to the terminal through the communication bus. Further, the communication module is specifically a communication interface, and the percentage power of the battery core is transmitted to the terminal via a communication bus, and the communication interface can use a current universal serial communication interface.
- the power detecting function is completely delivered to the battery, and the battery power can be detected in real time, and the detection result is transmitted to the terminal display, so that the terminal displays the battery power more accurately.
- the device for detecting a battery capacity further includes: a voltage conversion module connected between the battery cell and the power quantity detecting unit, configured to convert a voltage of the battery cell into the power amount Detect the operating voltage of the module. Further, the voltage detecting module obtains the voltage of the battery core, and the voltage is subjected to analysis and calculation to finally obtain the working voltage of the power detecting module, so as to ensure the normal operation of the power detecting module.
- the device for detecting a battery capacity further includes: a resistor connected to the power detecting module and the battery, and configured to detect the current flowing in and out of the battery. Further, since the current of the battery cannot be directly measured by a direct connection, a constant resistance (R) with a built-in resistor is connected to the battery cell, and the voltage across the resistor can be measured to obtain a current flowing through the resistor, that is, the battery is charged and discharged. The current of the core.
- the power detecting module includes: a voltage detecting module configured to detect a voltage across the resistor. The first calculation module is configured to calculate a current flowing in and out of the battery according to a voltage across the resistor. a second calculating module, configured to calculate the electric quantity of the electric core according to a current flowing in and out of the electric cell; the formula is specifically -
- the conversion module is set to convert the battery power into a percentage of the battery.
- the current flowing through the resistor is calculated by detecting the resistance voltage, and the actual amount of electricity flowing through the resistor is calculated according to the current. It should be noted that the power detecting module can recognize the flow of the current.
- Direction where the direction of current flowing to the cell is positive, and the direction of current flowing from the cell is negative.
- the power detecting module further includes: a first storage module, configured to store a preset correspondence between a cell voltage and a cell percentage.
- the first comparison module is configured to compare the actual cell voltage and the calculated cell core power with the stored cell voltage and cell percentage power to obtain a first comparison result.
- the adjusting module calculates the percentage of the battery cell according to the first comparison result.
- the power detecting module stores the pre-charged power and the battery cell voltage and the percentage of the battery core, and the power detecting module calculates the current battery percentage.
- the power is used, according to the current measured cell voltage, compare with the stored cell voltage and cell percentage power, compare the current cell voltage, the percentage of the cell charge is deviated, if there is deviation, adjust The module will adapt to the adjustment, the specific adjustment process example: When the cell voltage recorded in the correspondence between the cell voltage and the cell percentage is 3.6 volts, the corresponding cell percentage is 15%, and the current cell voltage is measured. For 3.6 volts, the calculated percentage of cells is 18%.
- the adjustment module will adjust the percentage of cells according to the comparison result, so that the percentage of cells will drop faster, to coordinate the records in the relationship table.
- the cell voltage is 3.6 volts, and the calculated percentage of cells is 12%.
- the adjustment module will be based on the ratio.
- the results adjusted percentage power batteries so batteries percentage charge drops a little slower, to coordinate the relationship between the records in the table.
- the voltage and the electric quantity relationship are written into the electric quantity detecting unit, and the auxiliary electric current is converted into electric quantity. When the electric quantity converted by the electric current has a large deviation, the electric quantity display is more accurate by the voltage auxiliary electric quantity conversion.
- the power detecting module further includes: a second comparing module configured to compare a percentage power of the battery cell with a set battery core power threshold to obtain a second Comparing results.
- the statistic module is configured to count the amount of power entering the cell during charging of the battery when the second comparison result indicates that the percentage of the cell is lower than the set cell percentage threshold.
- the third comparison module is configured to compare the counted battery power with the set battery saturation power to obtain a third comparison result.
- the third calculating module is configured to calculate the actual capacity of the battery when the third comparison result indicates that the calculated battery power is not lower than the set battery saturated power.
- the battery when it is detected that the percentage of the battery core is less than 10%, the battery is completely charged once, and the power detecting module counts the amount of electricity entering the battery during charging, when the battery charged to the battery is saturated, Dividing the calculated amount of electricity entering the cell by 90% gives the actual capacity of the cell.
- the above embodiment realizes the function of calibrating the battery capacity, and avoids the problem of capacity inaccuracy caused by the loss of the battery during use.
- the battery itself can detect its own power in real time, and realize the calibration of the battery capacity, and calculate the battery power by using the current, thereby reducing the error.
- a method for detecting battery capacity including: Step 10: Detecting and calculating a percentage power of a battery cell.
- the step 10 is specifically: Step 11, detecting the voltage across the resistor.
- Step 13 Calculate the amount of electricity of the battery cell according to a current flowing in and out of the battery cell by a formula.
- the formula is specifically -
- the method for detecting a battery capacity further includes: Step 30, the actual voltage of the battery cell and the calculated percentage of the cell core amount and the stored cell voltage and cell percentage The power correspondence is compared to obtain the first comparison result. Step 40: Calculate the percentage of the battery cells according to the first comparison result.
- the method for detecting a battery capacity further includes: Step 50: comparing a percentage power of the battery cell with a set battery core power threshold to obtain a second comparison result .
- Step 60 When the second comparison result indicates that the percentage of the battery cell is lower than the set cell core power threshold, the amount of electricity entering the cell during charging of the battery is counted.
- Step 70 Compare the calculated power of the battery cell with the set battery saturation power to obtain a third comparison result.
- Step 80 Calculate the actual capacity of the battery when the third comparison result indicates that the calculated battery power is not lower than the set battery saturated power.
- the method embodiment is a method corresponding to the foregoing device for detecting battery capacity, and all implementations of the device for detecting battery capacity are applicable to the method embodiment, and the device for detecting battery capacity can also be achieved. The same technical effect.
- the present invention also provides a battery comprising the above-described means for detecting the capacity of the battery.
- this embodiment corresponds to the above-described device for detecting the battery capacity, and all the implementations of the device for detecting the battery capacity are applicable to the embodiment, and the same technology as the device for detecting the battery capacity can be achieved. effect.
- Industrial Applicability According to the embodiment of the present invention, the battery itself can detect its own power in real time, and realize the calibration of the battery capacity, and calculate the battery power by using the current, thereby reducing the error.
- the above is a preferred embodiment of the present invention, and it should be noted that those skilled in the art can also make several improvements and retouchings without departing from the principles of the present invention. These improvements and retouchings should also be considered. It is the scope of protection of the present invention.
Abstract
A device and a method for detecting a battery capacity, and a battery. The device for detecting a battery capacity comprises: an electric quantity detection module connected to a battery cell and used to detect and calculate the electric quantity percentage of the cell; and a communication module, used to transmit the electric quantity percentage of the cell to a terminal by a communication bus. In the prior art, because the terminal such as the mobile phone is in charge of making conversion for the electric quantity, when the terminal is turned on, a large error is incurred if the electric quantity of the battery is determined by voltage, and especially, a larger error is incurred when the voltage is low and the battery has much virtual electricity; with the device of the present invention, the problem is solved, and the battery detects the electric quantity of the battery, thereby reducing the error of the electric quantity of the battery.
Description
一种检测电池容量的装置、 方法及电池 技术领域 本发明涉及电子技术领域， 特别涉及一种检测电池容量的装置、 方法及电池。 背景技术 目前智能手机电量检测方案一般采用检测进出电池的电流来计算电池的电量， 电 池电压及温度做辅助条件， 电量换算完全交给手机来处理。 该方案一般检测已知容量 的电池， 即将电池的容量固定， 但电池容量会根据环境温度有一定的变动， 所以会出 现电池容量检测不准确的问题， 检测的电池的电量除以已知容量即得实际电池的容量 的百分比。 以上方案中存在的问题： TECHNICAL FIELD The present invention relates to the field of electronic technologies, and in particular, to an apparatus, method, and battery for detecting battery capacity. BACKGROUND OF THE INVENTION At present, the smart phone power detecting scheme generally uses the current of detecting and discharging the battery to calculate the battery power, the battery voltage and the temperature as auxiliary conditions, and the power conversion is completely handed over to the mobile phone for processing. This scheme generally detects a battery of a known capacity, that is, the capacity of the battery is fixed, but the battery capacity varies according to the ambient temperature, so there is a problem that the battery capacity detection is inaccurate, and the detected battery power is divided by the known capacity. The percentage of the actual battery capacity. Problems in the above scenarios:
1 ) 该方案只能检测指定容量的电池， 并且无法自动校准电池容量； 1) This solution can only detect batteries of the specified capacity and cannot automatically calibrate the battery capacity;
2)通常开机的时候通过电压来判断电池的电量， 误差较大， 尤其是在低电压时电 池虚电较多， 误差会更大。 发明内容 本发明要解决的技术问题是提供一种检测电池容量的装置、 方法及电池， 通过电 池自身集成电量检测单元， 可以实时校准电池容量， 并将检测结果直接上报给终端。 为了解决上述技术问题， 本发明实施例提供一种检测电池容量的装置， 包括： 与电池电芯连接的电量检测模块， 设置为检测并计算所述电芯的百分比电量； 通讯模块， 设置为将所述电芯的百分比电量通过通讯总线传输给终端。 所述检测电池容量的装置， 还包括： 连接在所述电芯和所述电量检测单元之间的电压转换模块， 设置为将电芯的电压 转换为所述电量检测模块的工作电压。 所述检测电池容量的装置， 还包括:
与所述电量检测模块以及所述电芯均连接的电阻， 设置为检测所述进出电芯的电 流。 进一步的， 所述电量检测模块包括- 电压检测模块， 设置为检测电阻两端的电压； 第一计算模块， 设置为根据所述电阻两端的电压计算得到进出电芯的电流； 第二计算模块，设置为根据进出所述电芯的电流通过公式计算得到所述电芯电量; 所述公式具体为- 2) Usually the voltage is used to judge the battery's power when the power is turned on, and the error is large. Especially when the voltage is low, the battery has more virtual power and the error will be larger. SUMMARY OF THE INVENTION The technical problem to be solved by the present invention is to provide a device, a method and a battery for detecting a battery capacity. The integrated battery power detecting unit can calibrate the battery capacity in real time and report the detection result directly to the terminal. In order to solve the above technical problem, an embodiment of the present invention provides an apparatus for detecting a battery capacity, including: a power detecting module connected to a battery cell, configured to detect and calculate a percentage power of the battery; a communication module, configured to The percentage of the battery is transferred to the terminal via the communication bus. The device for detecting battery capacity further includes: a voltage conversion module connected between the battery cell and the power quantity detecting unit, configured to convert a voltage of the battery cell into an operating voltage of the power quantity detecting module. The device for detecting battery capacity further includes: A resistor connected to both the power detecting module and the battery cell is configured to detect the current flowing into and out of the battery cell. Further, the power detecting module includes: a voltage detecting module configured to detect a voltage across the resistor; and a first calculating module configured to calculate a current flowing in and out of the battery according to a voltage across the resistor; a second calculating module, setting The electric quantity of the electric core is calculated by a formula according to a current flowing in and out of the electric cell; the formula is specifically -
Q = Q0 + AQ ; Q = Q 0 + AQ ;
AQ = I * At ; 其中， G为电池的实际电量， G。为初始电量， 表示在 时间内进出电池 的电量； 换算模块， 设置为将所述电芯电量换算成电芯的百分比电量。 进一步的， 所述电量检测模块， 还包括： 第一存储模块， 设置为存储预先设定好的电芯电压和电芯百分比电量对应关系； 第一比较模块， 设置为将实际电芯电压和通过计算得出的电芯百分比电量与所述 存储的电芯电压和电芯百分比电量对应关系作比较， 得出第一比较结果； 调整模块， 设置为根据所述第一比较结果辅助调整计算所述电芯百分比电量。 进一步的， 所述电量检测模块， 还包括： 第二比较模块， 设置为将所述电芯的百分比电量与一设定的电芯百分比电量门限 作比较， 得出第二比较结果； 统计模块， 设置为在所述第二比较结果表明所述电芯的百分比电量低于设定的电 芯百分比电量门限时， 统计电池充电过程中进入电芯的电量；
第三比较模块， 设置为将统计的所述电芯的电量与设定的电池饱和电量作比较， 得出第三比较结果； 第三计算模块， 设置为在所述第三比较结果表明所述统计的电池电量不低于所述 设定的电池饱和电量时， 计算得到电池的实际容量。 本发明实施例还提供一种检测电池容量的方法， 包括： 检测并计算电芯的百分比电量； 将所述电芯的百分比电量通过通讯总线传输给终端。 所述检测电池容量的方法， 其中， 检测并计算电芯的百分比电量的步骤具体为- 检测得到电阻两端的电压； 根据所述电阻两端的电压计算得到进出电芯的电流； 根据进出所述电芯的电流通过公式计算得到所述电芯的电量； 所述公式具体为- AQ = I * At ; where G is the actual battery charge, G. The initial charge indicates the amount of power that enters and exits the battery during the time; the conversion module is set to convert the battery charge to the percentage of the battery. Further, the power detecting module further includes: a first storage module, configured to store a preset correspondence between the cell voltage and the cell percentage; the first comparing module is configured to pass the actual cell voltage and pass Comparing the calculated percentage of cell charge with the stored cell voltage and cell percentage, and obtaining a first comparison result; the adjusting module is configured to perform the adjustment according to the first comparison result Cell percentage power. Further, the power detecting module further includes: a second comparing module, configured to compare a percentage power of the battery cell with a set battery core power threshold to obtain a second comparison result; a statistics module, And being configured to count the amount of electricity entering the cell during charging of the battery when the second comparison result indicates that the percentage of the cell is lower than the set cell percentage threshold; a third comparison module, configured to compare the calculated power of the battery cell with a set battery saturation power to obtain a third comparison result; and a third calculation module, configured to indicate that the third comparison result indicates When the calculated battery power is not lower than the set battery saturation level, the actual capacity of the battery is calculated. An embodiment of the present invention further provides a method for detecting a battery capacity, including: detecting and calculating a percentage power of a battery cell; and transmitting a percentage power of the battery core to a terminal through a communication bus. The method for detecting a battery capacity, wherein the step of detecting and calculating the percentage power of the battery cell is specifically: detecting a voltage across the resistor; calculating a current flowing in and out of the battery according to a voltage across the resistor; The current of the core is calculated by a formula to obtain the electric quantity of the electric core; the formula is specifically -
Q = Q0 + AQ ., Q = Q 0 + AQ .,
AQ = I * At ; 其中， G为电池的实际电量， G。为初始电量， 表示在 时间内进出电池 的电量； 根据所述电芯电量换算得到电芯的百分比电量。 所述检测电池容量的方法， 还包括： 将电芯实际电压和通过计算得出的电芯百分比电量与所述存储的电芯电压和电芯 百分比电量对应关系作比较， 得出第一比较结果； 根据所述第一比较结果辅助调整计算所述电芯百分比电量。 所述检测电池容量的方法， 还包括：
将所述电芯的百分比电量与一设定的电芯百分比电量门限作比较， 得出第二比较 结果； 在所述第二比较结果表明所述电芯的百分比电量低于设定的电芯百分比电量门限 时， 统计电池充电过程中进入电芯的电量； 将统计的所述电芯的电量与设定的电池饱和电量作比较， 得出第三比较结果； 在所述第三比较结果表明所述统计的电池电量不低于所述设定的电池饱和电量 时， 计算得到电池的实际容量。 本发明实施例还提供一种电池， 包括上述检测电池容量的装置。 本发明的上述技术方案的有益效果如下： 上述方案中， 电池本身可以实时的检测自身的电量， 并且实现了电池容量的校准， 利用电流计算电池的电量， 降低了误差。 附图说明 图 1为本发明实施例的检测电池容量的装置示意图。 具体实施方式 为使本发明要解决的技术问题、 技术方案和优点更加清楚， 下面将结合附图及具 体实施例进行详细描述。 本发明针对现有的终端设备电量换算完全交给手机来处理， 并且只能检测指定容 量的电池， 并且无法自动校准电池容量的问题， 提供一种检测电池容量的装置、 方法 及电池。 如图 1所示， 本发明的实施例提供一种检测电池容量的装置， 包括： 与电池电芯连接的电量检测模块， 设置为检测并计算所述电芯的百分比电量。 通讯模块， 设置为将所述电芯的百分比电量通过通讯总线传输给终端。 进一步的， 所述通讯模块具体为通讯接口， 将所述电芯的百分比电量经通讯总线 传输给终端， 所述通讯接口可以使用目前通用的串行通讯接口。
上述实施例， 将电量检测功能完全交给电池来实现， 可以实时检测电池的电量， 并将检测结果传递给终端显示， 使得终端对电池电量的显示更为准确。 本发明另一实施例中， 所述检测电池容量的装置， 还包括： 连接在所述电芯和所述电量检测单元之间的电压转换模块， 设置为将电芯的电压 转换为所述电量检测模块的工作电压。 进一步的， 所述电压检测模块通过采集电芯的电压， 并将此电压经过分析计算最 后得到电量检测模块的工作电压， 用以保证电量检测模块的正常工作。 本发明的又一实施例中， 所述检测电池容量的装置， 还包括： 与所述电量检测模块以及所述电芯均连接的电阻， 设置为检测所述进出电芯的电 流。 进一步的， 因为电池的电流不能方便的直接测量得到， 通过内置电阻恒定的电阻 (R) 与电芯连接， 可以通过测量电阻两端的电压， 进而得出流经电阻的电流， 即为 进出电池电芯的电流。 本发明的又一实施例中， 所述电量检测模块包括： 电压检测模块， 设置为检测电阻两端的电压。 第一计算模块， 设置为根据所述电阻两端的电压计算得到进出电芯的电流。 第二计算模块，设置为根据进出所述电芯的电流通过公式计算得到所述电芯电量; 所述公式具体为- AQ = I * At ; where G is the actual battery charge, G. For the initial charge, it indicates the amount of electricity that enters and exits the battery during the time; the percentage of the battery is converted according to the battery charge. The method for detecting a battery capacity further includes: comparing a cell actual voltage and a calculated cell core power with the stored cell voltage and a cell percentage power to obtain a first comparison result And calculating the cell percentage power according to the first comparison result auxiliary adjustment. The method for detecting battery capacity further includes: Comparing the percentage power of the battery cell with a set cell core power threshold to obtain a second comparison result; the second comparison result indicates that the cell's percentage charge is lower than the set cell When the percentage power threshold is used, the amount of electricity entering the battery during charging of the battery is counted; comparing the calculated power of the battery with the set battery saturation, a third comparison result is obtained; and the third comparison result indicates When the calculated battery power is not lower than the set battery saturation power, the actual capacity of the battery is calculated. Embodiments of the present invention also provide a battery, including the above device for detecting battery capacity. The beneficial effects of the above technical solution of the present invention are as follows: In the above solution, the battery itself can detect its own power in real time, and realize the calibration of the battery capacity, and calculate the battery power by using the current, thereby reducing the error. BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a schematic diagram of an apparatus for detecting a battery capacity according to an embodiment of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS In order to make the technical problems, technical solutions, and advantages of the present invention more comprehensible, the following detailed description will be made in conjunction with the accompanying drawings and specific embodiments. The present invention provides a device, method and battery for detecting battery capacity, in view of the problem that the existing terminal device power conversion is completely handed over to the mobile phone for processing, and only the battery of the specified capacity can be detected, and the battery capacity cannot be automatically calibrated. As shown in FIG. 1, an embodiment of the present invention provides an apparatus for detecting a battery capacity, comprising: a power detecting module connected to a battery cell, configured to detect and calculate a percentage power of the battery. The communication module is configured to transmit the percentage power of the battery to the terminal through the communication bus. Further, the communication module is specifically a communication interface, and the percentage power of the battery core is transmitted to the terminal via a communication bus, and the communication interface can use a current universal serial communication interface. In the above embodiment, the power detecting function is completely delivered to the battery, and the battery power can be detected in real time, and the detection result is transmitted to the terminal display, so that the terminal displays the battery power more accurately. In another embodiment of the present invention, the device for detecting a battery capacity further includes: a voltage conversion module connected between the battery cell and the power quantity detecting unit, configured to convert a voltage of the battery cell into the power amount Detect the operating voltage of the module. Further, the voltage detecting module obtains the voltage of the battery core, and the voltage is subjected to analysis and calculation to finally obtain the working voltage of the power detecting module, so as to ensure the normal operation of the power detecting module. In still another embodiment of the present invention, the device for detecting a battery capacity further includes: a resistor connected to the power detecting module and the battery, and configured to detect the current flowing in and out of the battery. Further, since the current of the battery cannot be directly measured by a direct connection, a constant resistance (R) with a built-in resistor is connected to the battery cell, and the voltage across the resistor can be measured to obtain a current flowing through the resistor, that is, the battery is charged and discharged. The current of the core. In still another embodiment of the present invention, the power detecting module includes: a voltage detecting module configured to detect a voltage across the resistor. The first calculation module is configured to calculate a current flowing in and out of the battery according to a voltage across the resistor. a second calculating module, configured to calculate the electric quantity of the electric core according to a current flowing in and out of the electric cell; the formula is specifically -
Q = Q0 + AQ ., Q = Q 0 + AQ .,
Ht 其中， G为电池的实际电量， G。为初始电量， 表示在 时间内进出电池 的电量。 换算模块， 设置为将所述电芯电量换算成电芯的百分比电量。
上述实施例中， 通过对电阻电压的检测， 计算得出流经电阻的电流， 再根据电流 计算得出流经电阻的实际电量， 应当说明的是， 所述电量检测模块能识别电流的流经 方向， 在这里记流向电芯的电流方向为正方向， 从电芯流出的电流方向为负方向。 去 掉正负号后， 所述公式可以分别写成： （1 ) 电池充电过程中电量的计算为： Q = Q0 + AQ , Δβ = / * Δ ; (2)电池放电过程中电量的计算为： Q = Q0 - AQ ,Ht where G is the actual battery charge, G. The initial charge indicates the amount of power that enters and exits the battery during the time. The conversion module is set to convert the battery power into a percentage of the battery. In the above embodiment, the current flowing through the resistor is calculated by detecting the resistance voltage, and the actual amount of electricity flowing through the resistor is calculated according to the current. It should be noted that the power detecting module can recognize the flow of the current. Direction, where the direction of current flowing to the cell is positive, and the direction of current flowing from the cell is negative. After removing the sign, the formula can be written as: (1) The calculation of the amount of electricity during battery charging is: Q = Q 0 + AQ , Δβ = / * Δ ; ( 2 ) The calculation of the amount of electricity during battery discharge is: Q = Q 0 - AQ,
AQ = I * At a 在得到此刻电量后， 用此时的电量除以电芯的容量便得到电芯的百分 比电量， 并将此百分比电量通过通信总线传递给终端显示。 本发明的又一实施例中， 所述电量检测模块， 还包括： 第一存储模块， 设置为存储预先设定好的电芯电压和电芯百分比电量对应关系。 第一比较模块， 设置为将实际电芯电压和通过计算得出的电芯百分比电量与所述 存储的电芯电压和电芯百分比电量对应关系作比较， 得出第一比较结果。 调整模块， 根据所述第一比较结果辅助调整计算所述电芯百分比电量。 具体来说， 在电池出厂时先预充一定的电量， 电量检测模块将此预充的电量和电 池电芯电压和电芯百分比电量对应关系存储下来， 当电量检测模块计算得到当前的电 芯百分比电量时， 根据当前实际测得的电芯电压， 与存储的电芯电压和电芯百分比电 量对应关系进行比对， 比较当前电压下， 得到的电芯百分比电量是否有偏差， 如果有 偏差， 调整模块会适应的调整， 具体调整过程举例： 在电芯电压和电芯百分比电量对 应关系表中记录的电芯电压为 3.6伏时， 对应的电芯百分比电量为 15%， 测得当前电 芯电压为 3.6伏， 此时计算得到的电芯百分比电量为 18%， 调整模块会根据比较结果 调整电芯百分比电量， 让电芯百分比电量下降的快一点， 以协调关系表中的记录； 测 得当前电芯电压为 3.6伏， 此时计算得到的电芯百分比电量为 12%， 调整模块会根据 比较结果调整电芯百分比电量， 让电芯百分比电量下降的慢一点， 以协调关系表中的 记录。 上述实施例， 通过将电压和电量关系写入到电量检测单元， 辅助电流换算电量， 当电流换算的电量有较大偏差时， 通过电压辅助电量换算， 使得电量显示更为准确。 本发明的又一实施例中， 所述电量检测模块， 还包括： 第二比较模块， 设置为将所述电芯的百分比电量与一设定的电芯百分比电量门限 作比较， 得出第二比较结果。
统计模块， 设置为在所述第二比较结果表明所述电芯的百分比电量低于设定的电 芯百分比电量门限时， 统计电池充电过程中进入电芯的电量。 第三比较模块， 设置为将统计的所述电芯的电量与设定的电池饱和电量作比较， 得出第三比较结果。 第三计算模块， 设置为在所述第三比较结果表明所述统计的电池电量不低于所述 设定的电池饱和电量时， 计算得到电池的实际容量。 上述实施例， 在检测到电芯的百分比电量低于 10%时， 对电池进行一次完整的充 电， 电量检测模块会统计充电过程中进入电芯的电量， 当充电至电芯的电量饱和时， 将统计的进入电芯的电量除以 90%， 便得到电芯的实际容量。 上述实施例实现了校准电池容量的功能， 避免了电池在使用过程中因亏损而造成 的容量不准的问题。 本发明的上述实施例， 电池本身可以实时的检测自身的电量， 并且实现了电池容 量的校准， 利用电流计算电池的电量， 降低了误差。 本发明的又一实施例中， 还提供了一种检测电池容量的方法， 包括： 步骤 10， 检测并计算电芯的百分比电量。 步骤 20， 将所述电芯的百分比电量通过通讯总线传输给终端。 进一步地， 所述步骤 10具体为： 步骤 11， 检测得到电阻两端的电压。 步骤 12， 根据所述电阻两端的电压计算得到进出电芯的电流。 步骤 13， 根据进出所述电芯的电流通过公式计算得到所述电芯的电量。 所述公式具体为- AQ = I * At a After the current is obtained, the current is divided by the capacity of the battery to obtain the percentage of the battery, and the percentage is transferred to the terminal through the communication bus. In another embodiment of the present invention, the power detecting module further includes: a first storage module, configured to store a preset correspondence between a cell voltage and a cell percentage. The first comparison module is configured to compare the actual cell voltage and the calculated cell core power with the stored cell voltage and cell percentage power to obtain a first comparison result. The adjusting module calculates the percentage of the battery cell according to the first comparison result. Specifically, when the battery is shipped from the factory, a certain amount of power is pre-charged, and the power detecting module stores the pre-charged power and the battery cell voltage and the percentage of the battery core, and the power detecting module calculates the current battery percentage. When the power is used, according to the current measured cell voltage, compare with the stored cell voltage and cell percentage power, compare the current cell voltage, the percentage of the cell charge is deviated, if there is deviation, adjust The module will adapt to the adjustment, the specific adjustment process example: When the cell voltage recorded in the correspondence between the cell voltage and the cell percentage is 3.6 volts, the corresponding cell percentage is 15%, and the current cell voltage is measured. For 3.6 volts, the calculated percentage of cells is 18%. The adjustment module will adjust the percentage of cells according to the comparison result, so that the percentage of cells will drop faster, to coordinate the records in the relationship table. The cell voltage is 3.6 volts, and the calculated percentage of cells is 12%. The adjustment module will be based on the ratio. The results adjusted percentage power batteries, so batteries percentage charge drops a little slower, to coordinate the relationship between the records in the table. In the above embodiment, the voltage and the electric quantity relationship are written into the electric quantity detecting unit, and the auxiliary electric current is converted into electric quantity. When the electric quantity converted by the electric current has a large deviation, the electric quantity display is more accurate by the voltage auxiliary electric quantity conversion. In another embodiment of the present invention, the power detecting module further includes: a second comparing module configured to compare a percentage power of the battery cell with a set battery core power threshold to obtain a second Comparing results. The statistic module is configured to count the amount of power entering the cell during charging of the battery when the second comparison result indicates that the percentage of the cell is lower than the set cell percentage threshold. The third comparison module is configured to compare the counted battery power with the set battery saturation power to obtain a third comparison result. The third calculating module is configured to calculate the actual capacity of the battery when the third comparison result indicates that the calculated battery power is not lower than the set battery saturated power. In the above embodiment, when it is detected that the percentage of the battery core is less than 10%, the battery is completely charged once, and the power detecting module counts the amount of electricity entering the battery during charging, when the battery charged to the battery is saturated, Dividing the calculated amount of electricity entering the cell by 90% gives the actual capacity of the cell. The above embodiment realizes the function of calibrating the battery capacity, and avoids the problem of capacity inaccuracy caused by the loss of the battery during use. According to the above embodiment of the present invention, the battery itself can detect its own power in real time, and realize the calibration of the battery capacity, and calculate the battery power by using the current, thereby reducing the error. In still another embodiment of the present invention, a method for detecting battery capacity is provided, including: Step 10: Detecting and calculating a percentage power of a battery cell. Step 20: The percentage power of the battery cell is transmitted to the terminal through a communication bus. Further, the step 10 is specifically: Step 11, detecting the voltage across the resistor. Step 12: Calculate the current flowing in and out of the battery according to the voltage across the resistor. Step 13. Calculate the amount of electricity of the battery cell according to a current flowing in and out of the battery cell by a formula. The formula is specifically -
Q = Q0 + AQ ., Q = Q 0 + AQ .,
AQ = I * At ;
其中， G为电池的实际电量， G。为初始电量， 表示在 时间内进出电池 的电量。 步骤 14， 根据所述电芯电量换算得到电芯的百分比电量。 本发明的又一实施例中， 所述检测电池容量的方法， 还包括： 步骤 30， 将电芯实际电压和通过计算得出的电芯百分比电量与所述存储的电芯电 压和电芯百分比电量对应关系作比较， 得出第一比较结果。 步骤 40， 根据所述第一比较结果辅助调整计算所述电芯百分比电量。 本发明的又一实施例中， 所述检测电池容量的方法， 还包括： 步骤 50， 将所述电芯的百分比电量与一设定的电芯百分比电量门限作比较， 得出 第二比较结果。 步骤 60， 在所述第二比较结果表明所述电芯的百分比电量低于设定的电芯百分比 电量门限时， 统计电池充电过程中进入电芯的电量。 步骤 70， 将统计的所述电芯的电量与设定的电池饱和电量作比较， 得出第三比较 结果。 步骤 80， 在所述第三比较结果表明所述统计的电池电量不低于所述设定的电池饱 和电量时， 计算得到电池的实际容量。 应当说明的是， 该方法实施例是与上述检测电池容量的装置对应的方法， 上述检 测电池容量的装置的所有实现方式均适用于该方法实施例中， 也能达到与上述检测电 池容量的装置相同的技术效果。 本发明还提供一种电池， 所述电池包括上述检测电池容量的装置。 应当说明的是， 该实施例是与上述检测电池容量的装置对应的， 上述检测电池容 量的装置的所有实现方式均适用于该实施例中， 也能达到与上述检测电池容量的装置 相同的技术效果。 工业实用性 通过本发明实施例， 电池本身可以实时的检测自身的电量， 并且实现了电池容量 的校准， 利用电流计算电池的电量， 降低了误差。
以上所述的是本发明的优选实施方式，应当指出对于本技术领域的普通人员来说， 在不脱离本发明所述原理前提下， 还可以作出若干改进和润饰， 这些改进和润饰也应 视为本发明的保护范围。
AQ = I * At ; Where G is the actual battery power, G. The initial charge indicates the amount of power that enters and exits the battery during the time. In step 14, the percentage of the battery cells is converted according to the cell power conversion. In still another embodiment of the present invention, the method for detecting a battery capacity further includes: Step 30, the actual voltage of the battery cell and the calculated percentage of the cell core amount and the stored cell voltage and cell percentage The power correspondence is compared to obtain the first comparison result. Step 40: Calculate the percentage of the battery cells according to the first comparison result. In still another embodiment of the present invention, the method for detecting a battery capacity further includes: Step 50: comparing a percentage power of the battery cell with a set battery core power threshold to obtain a second comparison result . Step 60: When the second comparison result indicates that the percentage of the battery cell is lower than the set cell core power threshold, the amount of electricity entering the cell during charging of the battery is counted. Step 70: Compare the calculated power of the battery cell with the set battery saturation power to obtain a third comparison result. Step 80: Calculate the actual capacity of the battery when the third comparison result indicates that the calculated battery power is not lower than the set battery saturated power. It should be noted that the method embodiment is a method corresponding to the foregoing device for detecting battery capacity, and all implementations of the device for detecting battery capacity are applicable to the method embodiment, and the device for detecting battery capacity can also be achieved. The same technical effect. The present invention also provides a battery comprising the above-described means for detecting the capacity of the battery. It should be noted that this embodiment corresponds to the above-described device for detecting the battery capacity, and all the implementations of the device for detecting the battery capacity are applicable to the embodiment, and the same technology as the device for detecting the battery capacity can be achieved. effect. Industrial Applicability According to the embodiment of the present invention, the battery itself can detect its own power in real time, and realize the calibration of the battery capacity, and calculate the battery power by using the current, thereby reducing the error. The above is a preferred embodiment of the present invention, and it should be noted that those skilled in the art can also make several improvements and retouchings without departing from the principles of the present invention. These improvements and retouchings should also be considered. It is the scope of protection of the present invention.
Claims
权 利 要 求 书 Claims
1 种检测电池容量的装置， 包括： A device for detecting battery capacity, including:
与电池电芯连接的电量检测模块， 设置为检测并计算所述电芯的百分比电 通讯模块， 设置为将所述电芯的百分比电量通过通讯总线传输给终端。 A power detecting module connected to the battery cell is configured to detect and calculate a percentage of the battery communication module, and is configured to transmit the percentage power of the battery cell to the terminal through the communication bus.
2. 根据权利要求 1所述的检测电池容量的装置， 其中， 还包括： 2. The apparatus for detecting battery capacity according to claim 1, further comprising:
连接在所述电芯和所述电量检测单元之间的电压转换模块， 设置为将电芯 的电压转换为所述电量检测模块的工作电压。 A voltage conversion module connected between the battery cell and the power quantity detecting unit is configured to convert a voltage of the battery cell to an operating voltage of the power quantity detecting module.
3. 根据权利要求 1所述的检测电池容量的装置， 其中， 还包括： 3. The apparatus for detecting battery capacity according to claim 1, further comprising:
与所述电量检测模块以及所述电芯均连接的电阻， 设置为检测所述进出电 芯的电流。 A resistor connected to both the power detecting module and the battery cell is configured to detect the current flowing in and out of the battery.
4. 根据权利要求 3所述的检测电池容量的装置， 其中， 所述电量检测模块包括： 电压检测模块， 设置为检测电阻两端的电压； 4. The apparatus for detecting a battery capacity according to claim 3, wherein the power quantity detecting module comprises: a voltage detecting module configured to detect a voltage across the resistor;
第一计算模块，设置为根据所述电阻两端的电压计算得到进出电芯的电流; 第二计算模块， 设置为根据进出所述电芯的电流通过公式计算得到所述电 芯电量； a first calculating module, configured to calculate a current flowing in and out of the battery according to a voltage across the resistor; and a second calculating module configured to calculate the battery power according to a current flowing in and out of the battery;
所述公式具体为- The formula is specifically -
AQ = I * At ; 其中， G为电池的实际电量， G。为初始电量， 表示在 时间内进 出电池的电量； AQ = I * At ; where G is the actual battery charge, G. The initial charge, which indicates the amount of power that enters and exits the battery during the time;
换算模块， 设置为将所述电芯电量换算成电芯的百分比电量。
The conversion module is set to convert the battery power into a percentage of the battery.
5. 根据权利要求 4所述的检测电池容量的装置， 其中， 所述电量检测模块， 还包 括- 第一存储模块， 设置为存储预先设定好的电芯电压和电芯百分比电量对应 关系； The device for detecting battery capacity according to claim 4, wherein the power detecting module further comprises: a first storage module, configured to store a preset correspondence between a cell voltage and a cell percentage;
第一比较模块， 设置为将实际电芯电压和通过计算得出的电芯百分比电量 与所述存储的电芯电压和电芯百分比电量对应关系作比较，得出第一比较结果; 调整模块， 设置为根据所述第一比较结果辅助调整计算所述电芯百分比电 a first comparison module, configured to compare the actual cell voltage and the calculated cell core power with the stored cell voltage and cell percentage power to obtain a first comparison result; Set to calculate the percentage of the battery according to the first comparison result auxiliary adjustment
6. 根据权利要求 4所述的检测电池容量的装置， 其中， 所述电量检测模块， 还包 括- 第二比较模块， 设置为将所述电芯的百分比电量与一设定的电芯百分比电 量门限作比较， 得出第二比较结果； The device for detecting battery capacity according to claim 4, wherein the power detecting module further comprises: a second comparing module, configured to set a percentage of the battery and a set percentage of the battery The threshold is compared to obtain a second comparison result;
统计模块， 设置为在所述第二比较结果表明所述电芯的百分比电量低于设 定的电芯百分比电量门限时， 统计电池充电过程中进入电芯的电量； a statistic module, configured to count the amount of electricity entering the battery during charging of the battery when the second comparison result indicates that the percentage of the battery cell is lower than the set cell percentage power threshold;
第三比较模块， 设置为将统计的所述电芯的电量与设定的电池饱和电量作 比较， 得出第三比较结果； a third comparison module is configured to compare the calculated power of the battery cell with a set battery saturation power to obtain a third comparison result;
第三计算模块， 设置为在所述第三比较结果表明所述统计的电池电量不低 于所述设定的电池饱和电量时， 计算得到电池的实际容量。 And a third calculating module, configured to calculate an actual capacity of the battery when the third comparison result indicates that the calculated battery power is not lower than the set battery saturated power.
7. 一种检测电池容量的方法， 包括： 7. A method of detecting battery capacity, comprising:
检测并计算电芯的百分比电量； Detect and calculate the percentage of battery cells;
将所述电芯的百分比电量通过通讯总线传输给终端。 The percentage charge of the cell is transmitted to the terminal via the communication bus.
8. 根据权利要求 7所述的检测电池容量的方法， 其中， 检测并计算所述电芯的百 分比电量的步骤具体为- 检测得到电阻两端的电压； 8. The method of detecting battery capacity according to claim 7, wherein the step of detecting and calculating the percentage power of the battery cell is specifically - detecting a voltage across the resistor;
根据所述电阻两端的电压计算得到进出电芯的电流； Calculating the current flowing into and out of the battery according to the voltage across the resistor;
根据进出所述电芯的电流通过公式计算得到所述电芯的电量； 所述公式具体为- Calculating the electric quantity of the electric core according to the current flowing in and out of the electric cell; the formula is specifically -
Q = Q0 + AQ
AQ = I ^ At ; 其中， G为电池的实际电量， G。为初始电量， 表示在 时间内进 出电池的电量； Q = Q 0 + AQ AQ = I ^ At ; where G is the actual battery charge, G. The initial charge, which indicates the amount of power that enters and exits the battery during the time;
根据所述电芯电量换算得到电芯的百分比电量。 根据权利要求 8所述的检测电池容量的方法， 其中， 还包括： The percentage of electricity of the battery is obtained according to the battery power conversion. The method of detecting battery capacity according to claim 8, further comprising:
将电芯实际电压和通过计算得出的电芯百分比电量与所述存储的电芯电压 和电芯百分比电量对应关系作比较， 得出第一比较结果； Comparing the actual voltage of the battery cell and the calculated percentage of the cell power with the stored cell voltage and the percentage of the cell charge, and obtaining a first comparison result;
根据所述第一比较结果辅助调整计算所述电芯百分比电量。 根据权利要求 7所述的检测电池容量的方法， 其中， 还包括： Calculating the cell percentage power according to the first comparison result assist adjustment. The method of detecting battery capacity according to claim 7, further comprising:
将所述电芯的百分比电量与一设定的电芯百分比电量门限作比较， 得出第 二比较结果； Comparing the percentage power of the battery cell with a set cell core power threshold to obtain a second comparison result;
在所述第二比较结果表明所述电芯的百分比电量低于设定的电芯百分比电 量门限时， 统计电池充电过程中进入电芯的电量； When the second comparison result indicates that the percentage of the battery cell is lower than the set cell core power threshold, the amount of electricity entering the cell during charging of the battery is counted;
将统计的所述电芯的电量与设定的电池饱和电量作比较， 得出第三比较结 果； Comparing the calculated power of the battery cell with the set battery saturation power to obtain a third comparison result;
在所述第三比较结果表明所述统计的电池电量不低于所述设定的电池饱和 电量时， 计算得到电池的实际容量。 一种电池， 包括： 权利要求 1至 6中任一项所述的检测电池容量的装置。
When the third comparison result indicates that the statistical battery power is not lower than the set battery saturation power, the actual capacity of the battery is calculated. A battery comprising: the apparatus for detecting a battery capacity according to any one of claims 1 to 6.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310416274.4A CN104459544A (en) | 2013-09-12 | 2013-09-12 | Device and method used for detecting battery capacity and battery |
| CN201310416274.4 | 2013-09-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014169642A1 true WO2014169642A1 (en) | 2014-10-23 |
Family
ID=51730761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2013/087346 WO2014169642A1 (en) | 2013-09-12 | 2013-11-18 | Device and method for detecting battery capacity, and battery |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN104459544A (en) |
| WO (1) | WO2014169642A1 (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891717A (en) * | 2015-07-01 | 2016-08-24 | 乐视移动智能信息技术（北京）有限公司 | Battery electric quantity obtaining method and device |
| CN106324317A (en) * | 2015-07-06 | 2017-01-11 | 中兴通讯股份有限公司 | Voltage measuring method and voltage measuring device |
| US10942221B2 (en) | 2016-02-04 | 2021-03-09 | Mediatek Inc. | Method and apparatus capable of accurately estimating/determining power percentage of battery based on confidence levels determined from resultant information of multiple different fuel gauge operations and/or information of battery history, aging factor, sleep time, or battery temperature |
| US20170227607A1 (en) * | 2016-02-04 | 2017-08-10 | Mediatek Inc. | Schemes capable of efficiently and accurately estimating and/or predicting available battery capacity and battery aging factor |
| CN112240985A (en) * | 2019-07-18 | 2021-01-19 | 神讯电脑(昆山)有限公司 | Method and system for detecting battery capacity |
| CN110275115B (en) * | 2019-07-24 | 2021-02-05 | 振德医疗用品股份有限公司 | Method for detecting electric quantity of disposable battery |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1163020A (en) * | 1994-10-04 | 1997-10-22 | 杜拉塞奥公司 | Smart battery algorithm for reporting battery parameters to an external device |
| WO2011072295A2 (en) * | 2009-12-11 | 2011-06-16 | A123 Systems, Inc. | System and method for estimating a state of a battery pack |
| CN202395113U (en) * | 2011-12-22 | 2012-08-22 | 珠海优特电力科技股份有限公司 | Intelligent battery unit |
| US20120212057A1 (en) * | 2011-02-17 | 2012-08-23 | Takafumi Okuma | Portable device and image recording device |
| CN102684262A (en) * | 2012-05-10 | 2012-09-19 | 杨湘武 | Automatic battery pack charging-discharging management device and working method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101246977A (en) * | 2008-03-06 | 2008-08-20 | 深圳华为通信技术有限公司 | Reminding method and apparatus for mobile terminal battery power |
| CN102412616A (en) * | 2010-09-26 | 2012-04-11 | 苏州益高电动车辆制造有限公司 | Battery charging and discharging management device |
| CN101976867B (en) * | 2010-10-21 | 2013-08-28 | 中山大学 | Special power battery management system for electric vehicle and implementation method thereof |
| CN102508169B (en) * | 2011-11-07 | 2013-12-11 | 浙江绿源电动车有限公司 | Device and method for obtaining battery capacity |
| CN202486292U (en) * | 2011-11-07 | 2012-10-10 | 浙江绿源电动车有限公司 | Battery electric quantity acquiring device |
-
2013
- 2013-09-12 CN CN201310416274.4A patent/CN104459544A/en active Pending
- 2013-11-18 WO PCT/CN2013/087346 patent/WO2014169642A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1163020A (en) * | 1994-10-04 | 1997-10-22 | 杜拉塞奥公司 | Smart battery algorithm for reporting battery parameters to an external device |
| WO2011072295A2 (en) * | 2009-12-11 | 2011-06-16 | A123 Systems, Inc. | System and method for estimating a state of a battery pack |
| US20120212057A1 (en) * | 2011-02-17 | 2012-08-23 | Takafumi Okuma | Portable device and image recording device |
| CN202395113U (en) * | 2011-12-22 | 2012-08-22 | 珠海优特电力科技股份有限公司 | Intelligent battery unit |
| CN102684262A (en) * | 2012-05-10 | 2012-09-19 | 杨湘武 | Automatic battery pack charging-discharging management device and working method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104459544A (en) | 2015-03-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2014169642A1 (en) | Device and method for detecting battery capacity, and battery | |
| TWI249870B (en) | Battery apparatus and discharge controlling method of battery apparatus | |
| CN104020419B (en) | Battery electric quantity metering system | |
| WO2018196406A1 (en) | Multi-string battery pack management system | |
| JP5125303B2 (en) | Battery pack, electronic device, and method for deriving remaining capacity display | |
| JP5843051B2 (en) | Pack battery and secondary battery discharge control method | |
| US20090140696A1 (en) | Apparatus and method for correcting residual capacity measurement of battery pack | |
| US11374419B2 (en) | Portable electrical energy system and method for measuring a remaining electric quantity of a battery pack | |
| CN201184909Y (en) | Electric quantity display apparatus | |
| EP4024651A1 (en) | Charging control method and charging control apparatus | |
| EP3185348B1 (en) | A battery information detection and control method, smart battery,terminal and computer storage medium | |
| WO2003107470A1 (en) | Battery pack and battery remaining power calculating method | |
| CN105158581A (en) | High-capacity capacitor capacity measurement circuit | |
| TWI636271B (en) | Apparatus and method for measuring capacity of cell module | |
| US20180100899A1 (en) | State-of-charge indication system and related method | |
| WO2016101484A1 (en) | Voltage detection apparatus, battery, and voltage detection method | |
| CN206193178U (en) | Lithium battery protection board detection device | |
| CN202815193U (en) | Battery test device | |
| US20130158912A1 (en) | Apparatus for Measuring the State of Health of a Cell Pack | |
| JP2008275524A (en) | Battery pack and residual capacity computing method | |
| CN105116358B (en) | Battery identification system and its recognition methods | |
| CN113169385B (en) | Battery pack, circuit system for measuring battery current and equipment for measuring battery current | |
| CN110133506A (en) | A kind of device and its calculation method using the time for calculating lithium battery residue | |
| CN105182247A (en) | Battery parameter calibrating device and method | |
| CN105301513B (en) | A kind of lithium battery capacity accurately measures method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 13882609 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 13882609 Country of ref document: EP Kind code of ref document: A1 |