WO2016197713A1 - 一种电池形变检测方法及设备 - Google Patents

一种电池形变检测方法及设备 Download PDF

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Publication number
WO2016197713A1
WO2016197713A1 PCT/CN2016/080053 CN2016080053W WO2016197713A1 WO 2016197713 A1 WO2016197713 A1 WO 2016197713A1 CN 2016080053 W CN2016080053 W CN 2016080053W WO 2016197713 A1 WO2016197713 A1 WO 2016197713A1
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Prior art keywords
battery
pressure
deformed
determined
battery compartment
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PCT/CN2016/080053
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English (en)
French (fr)
Inventor
王煜辰
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中兴通讯股份有限公司
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Priority to EP16806611.6A priority Critical patent/EP3401636A1/en
Publication of WO2016197713A1 publication Critical patent/WO2016197713A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
    • G01B21/32—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring the deformation in a solid
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/20—Pressure-sensitive devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/30—Preventing polarity reversal
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • This document relates to, but is not limited to, the field of terminal devices, and in particular, to a battery deformation detecting method and device.
  • batteries with low temperature adaptability are used in some high-calorie products. Because the battery works in a high temperature environment for a long time, the battery has a bulge and is highly safe. Hidden dangers, and some mobile phone products that have already appeared may also have problems such as battery fire and explosion caused by partial battery failure and improper charging protection measures.
  • a battery deformation detecting method by attaching a variable resistor to the surface of the battery. After the varistor is attached to the battery, if the varistor is subjected to a certain pressure, the resistance value changes, and the battery is considered to be deformed. However, the variable resistor is placed on the battery, and the cost of the battery is high.
  • the present invention provides a battery deformation detecting method and apparatus capable of detecting deformation of a battery applied to a terminal at a low cost.
  • Embodiments of the present invention provide a battery deformation detecting method, including:
  • determining the battery compartment according to the pressure value and a preset safety threshold Whether the battery has been deformed including:
  • the safety threshold is set according to the structural strength of the battery compartment.
  • determining that the duration of the pressure value reaches a safety threshold exceeds a set value determining that the battery is deformed, including:
  • the security threshold corresponding to the current placement mode is selected from the security thresholds corresponding to the multiple placement modes;
  • the method further includes:
  • the embodiment of the invention further provides a battery deformation detecting device, comprising:
  • a receiving unit configured to obtain a pressure value detected by a pressure sensor disposed in the battery compartment
  • the determining unit is configured to determine whether the battery in the battery compartment is deformed according to the pressure value and a preset safety threshold.
  • the determining unit is configured to:
  • the determining unit is configured to determine that the pressure value is safe in the following manner When the duration of the threshold exceeds the set value, determine that the battery is deformed:
  • the security threshold corresponding to the current placement mode is selected from the security thresholds corresponding to the multiple placement modes;
  • the embodiment of the invention further provides a battery deformation detecting device, comprising a battery compartment provided with a pressure sensor and a processor, wherein:
  • the processor is configured to acquire a pressure value detected by a pressure sensor disposed in the battery compartment; and determine whether the battery in the battery compartment is deformed according to the pressure value and a preset safety threshold.
  • the processor is configured to determine whether the battery in the battery compartment is deformed according to the pressure value and a preset safety threshold in the following manner:
  • the embodiment of the invention further provides a computer readable storage medium storing computer executable instructions, which are implemented when executed by a processor.
  • the pressure sensor is disposed in the battery compartment, and then the pressure value detected by the pressure sensor disposed in the battery compartment is obtained, and then the battery in the battery compartment is determined according to the pressure value. Deformation occurs, and the cost of the battery is reduced by placing the pressure sensor in the battery compartment.
  • FIG. 1 is a flowchart of a battery deformation detecting method according to an embodiment of the present invention
  • Embodiment 2 is a schematic diagram of setting up a pressure sensor according to Embodiment 1 according to an embodiment of the present invention
  • FIG. 3 is a schematic diagram of setting a pressure sensor according to Embodiment 2 according to an embodiment of the present invention.
  • FIG. 4 is a schematic structural diagram of a battery deformation detecting device according to an embodiment of the present invention.
  • FIG. 5 is a second schematic structural diagram of a battery deformation detecting device according to an embodiment of the present invention.
  • a battery deformation detecting method provided by an embodiment of the present invention includes:
  • Step S101 Obtain a pressure value detected by a pressure sensor disposed in the battery compartment;
  • Step S102 Determine whether the battery in the battery compartment is deformed according to the pressure value and a preset safety threshold.
  • the pressure sensor is set in the battery compartment, and the pressure value detected by the pressure sensor provided in the battery compartment is obtained, and then the battery in the battery compartment is determined to be deformed according to the pressure value. Since the pressure sensor is set in the battery compartment, Reduce the cost of the battery.
  • the safety threshold can be set according to the structural strength of the battery compartment.
  • the safety threshold is set according to the structural strength of the battery compartment at the time of shipment, and when used, the pressure value detected by the pressure sensor set in the battery compartment is acquired, and determined according to the pressure value and the safety threshold set according to the structural strength of the battery compartment. Whether the battery is deformed improves the accuracy of determining the deformation of the battery and reduces the possibility of danger caused by the deformation of the battery.
  • the safety threshold needs to be set in advance.
  • the battery may be deformed. If the pressure reaches the safety threshold for more than the set value, the battery may be deformed.
  • step S102 determining whether the battery in the battery compartment is deformed according to the pressure value and the preset safety threshold value, including:
  • the safety threshold can be set according to the structural strength of the battery compartment at the time of shipment, and when used, the pressure value detected by the pressure sensor set in the battery compartment is obtained, and it is determined that the pressure value reaches the safety threshold set according to the structural strength of the battery compartment exceeds the duration of the safety threshold.
  • the value it is determined that the battery is deformed, the accuracy of determining the deformation of the battery is improved, and the possibility of danger caused by the deformation of the battery is reduced.
  • FIG. 2 A possible pressure sensor setting method is shown in FIG. 2.
  • the pressure sensor 201 is disposed in the battery compartment 200 and is in close contact with the battery 202.
  • the pressure sensor 201 and the rear cover 203 are respectively disposed on both sides of the battery 202.
  • the pressure sensor generates an initial pressure when the device is placed in different positions.
  • the pressure of the battery compartment will be downward due to the increase in the thickness of the battery.
  • the pressure sensor placed under the battery compartment will transmit the pressure value to the CPU.
  • the CPU can trigger protection measures such as alarms to improve the safety of the battery and equipment.
  • the pressure generated by the pressure sensor is also different.
  • the battery is deformed by 1 mm.
  • the pressure generated on the bottom of the battery should be less than the hard condition of the back cover of the device.
  • the same battery has different pressure on the pressure sensor, that is, the safety threshold of the device when it is used with the back cover is different from the safety threshold when the back cover is used.
  • Determining that the battery is deformed when the pressure value reaches a safety threshold set according to the structural strength of the battery compartment exceeds a set value including:
  • the timing is restarted.
  • the pressure value of the pressure sensor can be periodically obtained.
  • the device startup includes two types, one is that the device is powered on, enters the use state or the standby state, and the other is in the shutdown state. When the power is plugged in, only the kernel is booted and the user system is not started.
  • the pressure generated by the battery on the pressure sensor may also affect the pressure generated by the battery on the pressure sensor.
  • the pressure on the pressure sensor may be different, so to further improve the battery deformation.
  • the accuracy of the judgment may be set according to different placement modes of the device, and when determining whether the battery is deformed, the security threshold corresponding to the current placement mode is used for judging.
  • the deformation of the battery is determined, including:
  • the security threshold corresponding to the current placement mode is selected from the security thresholds corresponding to the multiple placement modes;
  • the battery model whose deformation exceeds the set value to put the battery compartment into the pressure test in all directions.
  • a battery model with a deformation of more than 1 mm can be used.
  • the gyroscope is used to detect the placement mode of the device, and the pressure values of the pressure sensors in different placement modes are obtained, and the safety threshold values of the pressure sensors are determined according to the pressure values of the pressure sensors in different placement modes, respectively, if the respective placement modes are
  • the pressure values of the pressure sensors are not much different (compared to the pressure values before and after the deformation of the battery, the pressure in each placement mode) The difference between the pressure values of the sensors can be neglected. It is also possible to set only one safety threshold. When determining whether a deformation occurs, the current device placement mode is no longer judged, and the safety threshold is no longer selected according to the placement mode.
  • step S102 After determining that the battery is deformed, security measures such as alarms may be taken. At this time, after step S102, the method further includes:
  • the device If the device is in the charging state or the power-off state, you need to cut off the power and trigger the shutdown process to ensure the safety of the battery and the device. If the device is not connected to the power supply and is in the normal power-on state, the shutdown process can be triggered directly.
  • a plurality of pressure sensors need to be disposed in the battery compartment.
  • the pressure values detected by the respective pressure sensors are generally the same, or the difference is small.
  • the plurality of pressure sensors detect The pressure values obtained are usually different. If the difference between the two pressure values reaches the safety threshold and the duration is greater than the set value, it can be determined that the battery is deformed.
  • step S102 determining whether the battery in the battery compartment is deformed according to the pressure value and the preset safety threshold value, including:
  • a method for setting a feasible pressure sensor is as shown in FIG. 3.
  • a plurality of pressure sensors 301 are disposed in the battery compartment 300. Each of the pressure sensors 301 is in close contact with the battery 302.
  • the pressure sensor 301 and the rear cover 303 are respectively disposed on the battery 202. On both sides.
  • the stress of each pressure sensor is the same. After the battery is deformed, the pressure sensor at the bulge is more stressed than the other pressure sensors, so when the pressure values detected by the multiple pressure sensors are two, When the difference between the pressure values reaches the safety threshold, the battery may be deformed. If the difference between the two pressure values reaches the safety threshold in the set time, the battery deformation can be determined.
  • Determining the pressure values detected by the plurality of pressure sensors disposed in the battery compartment, the two pressure values having the difference reaching the safety threshold, and determining that the battery is deformed when the duration exceeds the set value includes:
  • step S102 After determining that the battery is deformed, security measures such as alarms may be taken. At this time, after step S102, the method further includes:
  • the device If the device is in the charging state or the power-off state, you need to cut off the power and trigger the shutdown process to ensure the safety of the battery and the device. If the device is not connected to the power supply and is in the normal power-on state, the shutdown process can be triggered directly.
  • the embodiment of the invention further provides a battery deformation detecting device, as shown in FIG. 4, comprising:
  • the receiving unit 401 is configured to acquire a pressure value detected by a pressure sensor disposed in the battery compartment;
  • the determining unit 402 is configured to determine whether the battery in the battery compartment is deformed according to the pressure value and a preset safety threshold.
  • the determining unit 402 is configured to:
  • the determining unit 402 is configured to determine that the duration of the pressure value reaches a safety threshold exceeds a set value by determining The battery is deformed:
  • the security threshold corresponding to the current placement mode is selected from the security thresholds corresponding to the multiple placement modes;
  • the embodiment of the invention further provides a battery deformation detecting device, as shown in FIG. 5, comprising a battery compartment 502 provided with a pressure sensor 501 and a processor 503, wherein:
  • the processor 503 is configured to acquire a pressure value detected by the pressure sensor 501 disposed in the battery compartment 502; and determine whether the battery in the battery compartment 502 is deformed according to the pressure value and a preset safety threshold.
  • the processor 503 is configured to determine whether the battery in the battery compartment 502 is deformed according to the pressure value and a preset safety threshold in the following manner:
  • the pressure sensor is disposed in the battery compartment, and then the pressure value detected by the pressure sensor disposed in the battery compartment is obtained, and then the battery in the battery compartment is determined according to the pressure value. Deformation occurs, and the cost of the battery is reduced by placing the pressure sensor in the battery compartment.
  • the pressure sensor is disposed in the battery compartment, and the pressure value detected by the pressure sensor disposed in the battery compartment is obtained, and then the battery in the battery compartment is deformed according to the pressure value, because The pressure sensor is placed in the battery compartment, reducing the cost of the battery.

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Abstract

一种电池形变检测方法，将压力传感器（201）设置在电池仓（200）内，通过获取电池仓（200）内设置的压力传感器（201）检测到的压力值，进而根据压力值确定电池仓（200）内的电池（202）是否发生形变。还公开了一种电池形变检测设备。

Description

一种电池形变检测方法及设备 技术领域
本文涉及但不限于终端设备领域，尤其涉及的是一种电池形变检测方法及设备。
背景技术
由于电池电芯的不恰当应用，导致温度适应能力较低的电池应用于部分高热量的产品中，会由于电池长时间工作在温度较高的环境中，导致电池出现鼓包，有很高的安全隐患，而在已经面世的部分手机产品，也会有因为部分电池不合格、充电保护措施不恰当引起的电池起火爆炸等问题。
目前，有通过在电池表面附着可变电阻的电池形变检测方法，在电池上附压敏电阻后，如果压敏电阻受到一定压力，电阻值会发生改变，此时认为电池发生形变。但是，将可变电阻设置在电池上，电池的成本较高。
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。
本文提供一种电池形变检测方法及设备，能够以较低的成本检测出应用于终端中的电池的形变。
本发明实施例提供一种电池形变检测方法，包括：
获取电池仓内设置的压力传感器检测到的压力值；
根据所述压力值以及预先设定的安全阈值，确定电池仓内的电池是否发生形变。
可选地，所述根据所述压力值以及预先设定的安全阈值，确定电池仓内 的电池是否发生形变，包括：
确定该压力值达到安全阈值的持续时间超过设定值时，确定电池发生形变；或者
确定电池仓内设置的多个压力传感器检测到的压力值中，存在差值达到安全阈值的两个压力值，且持续时间超过设定值时，确定电池发生形变。
可选地，所述安全阈值是根据电池仓结构强度设置的。
可选地，所述确定该压力值达到安全阈值的持续时间超过设定值时，确定电池发生形变，包括：
通过陀螺仪判断当前设备的摆放方式；
从多个摆放方式对应的安全阈值中，选出当前摆放方式对应的安全阈值；
确定该压力值达到当前摆放方式对应的安全阈值的持续时间超过设定值时，确定电池发生形变。
可选地，所述确定电池发生形变后，还包括：
进行告警；和/或
触发关机流程并在连接电源时切断电源。
本发明实施例还提供一种电池形变检测设备，包括：
接收单元，设置为获取电池仓内设置的压力传感器检测到的压力值；
确定单元，设置为根据所述压力值以及预先设定的安全阈值，确定电池仓内的电池是否发生形变。
可选地，所述确定单元，是设置为：
确定该压力值达到安全阈值的持续时间超过设定值时，确定电池发生形变；或者
确定电池仓内设置的多个压力传感器检测到的压力值中，存在差值达到安全阈值的两个压力值，且持续时间超过设定值时，确定电池发生形变。
可选地，所述确定单元，是设置为采用以下方式确定该压力值达到安全 阈值的持续时间超过设定值时，确定电池发生形变：
通过陀螺仪判断当前设备的摆放方式；
从多个摆放方式对应的安全阈值中，选出当前摆放方式对应的安全阈值；
确定该压力值达到当前摆放方式对应的安全阈值的持续时间超过设定值时，确定电池发生形变。
本发明实施例还提供一种电池形变检测设备，包括设置有压力传感器的电池仓以及处理器，其中：
所述处理器，设置为获取电池仓内设置的压力传感器检测到的压力值；根据所述压力值以及预先设定的安全阈值，确定电池仓内的电池是否发生形变。
可选地，所述处理器，是设置为采用以下方式根据所述压力值以及预先设定的安全阈值，确定电池仓内的电池是否发生形变：
确定该压力值达到安全阈值的持续时间超过设定值时，确定电池发生形变；或者
确定电池仓内设置的多个压力传感器检测到的压力值中，存在差值达到安全阈值的两个压力值，且持续时间超过设定值时，确定电池发生形变。
本发明实施例还提供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上述方法。
通过本发明实施例提供的电池形变检测方法及设备，将压力传感器设置在电池仓内，再通过获取电池仓内设置的压力传感器检测到的压力值，进而根据压力值确定电池仓内的电池是否发生形变，由于将压力传感器设置在了电池仓内，减小了电池的成本。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图概述
图1为本发明实施例提供的电池形变检测方法流程图；
图2为本发明实施例提供的对应实施例一的压力传感器的设置示意图；
图3为本发明实施例提供的对应实施例二的压力传感器的设置示意图；
图4为本发明实施例提供的电池形变检测设备结构示意图之一；
图5为本发明实施例提供的电池形变检测设备结构示意图之二；
本发明的实施方式
下文中将结合附图对本发明的实施例进行详细说明。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任意组合。
如图1所示，本发明实施例提供的电池形变检测方法，包括：
步骤S101、获取电池仓内设置的压力传感器检测到的压力值；
步骤S102、根据压力值以及预先设定的安全阈值，确定电池仓内的电池是否发生形变。
将压力传感器设置在电池仓内，再通过获取电池仓内设置的压力传感器检测到的压力值，进而根据压力值确定电池仓内的电池是否发生形变，由于将压力传感器设置在了电池仓内，减小了电池的成本。
如果手机电池仓材质硬度很高，限制了电池的形变量，则可能不能及时地检测出电池是否发生形变，导致电池在形变量达到一定程度前发生危险。为避免该情况的发生，可以根据电池仓结构强度设置安全阈值。
也即，在出厂时根据电池仓结构强度设置安全阈值，使用时，再获取电池仓内设置的压力传感器检测到的压力值，并根据该压力值和根据电池仓结构强度设置的安全阈值，确定电池是否发生形变，提高了确定电池形变的准确度，减小了电池形变引发危险的可能性。
下面通过具体实施例对根据压力值确定电池仓内的电池是否发生形变的方法进行具体说明。
实施例一、
该实施例中，需要预先设置安全阈值，当压力值达到安全阈值时，说明电池可能发生形变，如果压力值达到安全阈值的持续时间超过设定值时，则可以确定电池发生形变。
此时，步骤S102中，根据压力值以及预先设定的安全阈值，确定电池仓内的电池是否发生形变，包括：
确定该压力值达到安全阈值的持续时间超过设定值时，确定电池发生形变。
可以在出厂时根据电池仓结构强度设置安全阈值，使用时，再获取电池仓内设置的压力传感器检测到的压力值，并确定该压力值达到根据电池仓结构强度设置的安全阈值的持续时间超过设定值时，确定电池发生形变，提高了确定电池形变的准确度，减小了电池形变引发危险的可能性。
一种可行的压力传感器的设置方法如图2所示，压力传感器201设置在电池仓200中，并紧贴电池202，压力传感器201和后盖203分别设置在电池202的两侧。
压力传感器会在设备以不同位置放置时产生一个初始压力，当电池发生形变时，由于电池厚度增加，会给电池仓向下的压力，放在电池仓下方的压力传感器会向CPU传递压力值，在压力达到安全阈值时，CPU可以触发告警等保护措施，进而提高电池及设备的安全性。
需要指出的是，设备电池在没有后盖时或者后盖的材质强度，可形变度不同时，给压力传感器产生的压力也是不同的，例如，在设备后盖柔软的情况下，电池发生1mm形变对电池底部产生的压力，要小于设备后盖坚硬的情况，针对于这种情况，需要在设备出厂时，根据电池仓内的结构强度预设不同大小的安全阈值，另外设备在无盖情况下使用时，同样的电池对压力传感器的压力也不同，即，设备在有后盖使用时的安全阈值不同于拆除后盖使用时的安全阈值。
确定该压力值达到根据电池仓结构强度设置的安全阈值的持续时间超过设定值时，确定电池发生形变，包括：
确定该压力值达到根据电池仓结构强度设置的安全阈值；
开始计时并持续获取压力传感器的压力值；
若计时时间超过设定值前获取的所有压力值均达到安全阈值，则确定电池发生形变。
在计时时间内，如果获取到的压力值小于安全阈值，确定电池未发生形变，当再次获取到达到安全阈值的压力值时，再重新开始计时。
通常，在设备启动后，可以周期性获取压力传感器的压力值，本发明实施例中，设备启动包括两种，一种是设备开机，进入使用状态或待机状态，另一种是在关机状态下插入电源时，仅启动内核，并未启动用户系统。
由于设备摆放方式不同，也可能影响电池对压力传感器产生的压力，例如，正面朝上放置、背面朝上放置或者侧放时，电池对压力传感器产生的压力可能不同，所以为进一步提高电池形变判断的准确性，可以根据设备的不同摆放方式，设置多个安全阈值，在确定电池是否形变时，使用当前摆放方式对应的安全阈值进行判断。
此时，确定该压力值达到根据电池仓结构强度设置的安全阈值的持续时间超过设定值时，确定电池发生形变，包括：
通过陀螺仪判断当前设备的摆放方式；
从多个摆放方式对应的安全阈值中，选出当前摆放方式对应的安全阈值；
确定该压力值达到当前摆放方式对应的安全阈值的持续时间超过设定值时，确定电池发生形变。
在根据设备的不同摆放方式，设置多个安全阈值时，可以使用形变量超过设定值的电池模型放入电池仓进行各个方向上的压力测试，例如，可以使用形变量超过1mm的电池模型。通过陀螺仪检测设备摆放方式，并获取不同摆放方式下压力传感器的压力值，分别根据不同摆放方式下压力传感器的压力值确定相应摆放方式下的安全阈值，若各个摆放方式下压力传感器的压力值相差不大(相对于电池形变前后的压力值变化来说，各个摆放方式下压力 传感器的压力值的差值可以忽略)，也可以仅设置一个安全阈值，在确定是否发生形变时，不再判断当前设备的摆放方式，也不再根据摆放方式选择安全阈值。
确定出电池发生形变后，可以采取告警等安全措施，此时，步骤S102之后，还包括：
进行告警；和/或
触发关机流程并在连接电源时切断电源。
如果设备处于开机充电或者关机充电状态，则需要切断电源并触发关机流程，进而保证电池和设备的安全，如果设备未连接电源，处于正常开机状态，则直接触发关机流程即可。
实施例二、
该实施例中，需要在电池仓内设置多个压力传感器，当电池未发生形变时，各个压力传感器检测到的压力值通常相同，或者相差较少，当电池发生形变时，多个压力传感器检测到的压力值通常是不同的，若两个压力值的差值达到安全阈值，并且持续时间大于设定值，则可以确定电池发生形变。
此时，步骤S102中，根据压力值以及预先设定的安全阈值，确定电池仓内的电池是否发生形变，包括：
确定电池仓内设置的多个压力传感器检测到的压力值中，存在差值达到安全阈值的两个压力值，且持续时间超过设定值时，确定电池发生形变。
一种可行的压力传感器的设置方法如图3所示，电池仓300中设置有多个压力传感器301，各压力传感器301均紧贴电池302，压力传感器301和后盖303分别设置在电池202的两侧。
在电池未发生形变状态下，各压力传感器的受力情况相同，在电池发生形变后，鼓包处的压力传感器受力大于其它压力传感器，所以当多个压力传感器检测到的压力值中，有两个压力值的差值达到安全阈值时，则电池可能发生形变，若设定时间内，获取的压力值中，均有两个压力值的差值达到安全阈值，则可以确定电池发生形变。
确定电池仓内设置的多个压力传感器检测到的压力值中，存在差值达到安全阈值的两个压力值，且持续时间超过设定值时，确定电池发生形变，包括：
确定电池仓内设置的多个压力传感器检测到的压力值中，存在差值达到安全阈值的两个压力值；
开始计时并持续获取各压力传感器的压力值；
若计时时间超过设定值前获取的各组压力值中，均存在差值达到安全阈值的两个压力值，则确定电池发生形变。
确定出电池发生形变后，可以采取告警等安全措施，此时，步骤S102之后，还包括：
进行告警；和/或
触发关机流程并在连接电源时切断电源。
如果设备处于开机充电或者关机充电状态，则需要切断电源并触发关机流程，进而保证电池和设备的安全，如果设备未连接电源，处于正常开机状态，则直接触发关机流程即可。
本发明实施例还提供一种电池形变检测设备，如图4所示，包括：
接收单元401，设置为获取电池仓内设置的压力传感器检测到的压力值；
确定单元402，设置为根据压力值以及预先设定的安全阈值，确定电池仓内的电池是否发生形变。
可选地，确定单元402是设置为：
确定该压力值达到安全阈值的持续时间超过设定值时，确定电池发生形变；或者
确定电池仓内设置的多个压力传感器检测到的压力值中，存在差值达到安全阈值的两个压力值，且持续时间超过设定值时，确定电池发生形变。
可选地，为提高确定电池是否发生形变的准确性，确定单元402是设置为采用以下方式确定该压力值达到安全阈值的持续时间超过设定值时，确定 电池发生形变：
通过陀螺仪判断当前设备的摆放方式；
从多个摆放方式对应的安全阈值中，选出当前摆放方式对应的安全阈值；
确定该压力值达到当前摆放方式对应的安全阈值的持续时间超过设定值时，确定电池发生形变。
本发明实施例还提供一种电池形变检测设备，如图5所示，包括设置有压力传感器501的电池仓502以及处理器503，其中：
处理器503，设置为获取电池仓502内设置的压力传感器501检测到的压力值；根据压力值以及预先设定的安全阈值，确定电池仓502内的电池是否发生形变。
处理器503是设置为采用以下方式根据压力值以及预先设定的安全阈值，确定电池仓502内的电池是否发生形变：
确定该压力值达到安全阈值的持续时间超过设定值时，确定电池发生形变；或者
确定电池仓502内设置的多个压力传感器501检测到的压力值中，存在差值达到安全阈值的两个压力值，且持续时间超过设定值时，确定电池发生形变。
通过本发明实施例提供的电池形变检测方法及设备，将压力传感器设置在电池仓内，再通过获取电池仓内设置的压力传感器检测到的压力值，进而根据压力值确定电池仓内的电池是否发生形变，由于将压力传感器设置在了电池仓内，减小了电池的成本。
本领域普通技术人员可以理解上述方法中的全部或部分步骤可通过程序来指令相关硬件(例如处理器)完成，所述程序可以存储于计算机可读存储 介质中，如只读存储器、磁盘或光盘等。可选地，上述实施例的全部或部分步骤也可以使用一个或多个集成电路来实现。相应地，上述实施例中的各模块/单元可以采用硬件的形式实现，例如通过集成电路来实现其相应功能，也可以采用软件功能模块的形式实现，例如通过处理器执行存储于存储器中的程序指令来实现其相应功能。本申请不限制于任何特定形式的硬件和软件的结合。
需要说明的是，本申请还可有其他多种实施例，在不背离本申请精神及其实质的情况下，熟悉本领域的技术人员可根据本申请作出各种相应的改变和变形，但这些相应的改变和变形都应属于本申请所附的权利要求的保护范围。
工业实用性
本发明实施例提供的技术方案，将压力传感器设置在电池仓内，再通过获取电池仓内设置的压力传感器检测到的压力值，进而根据压力值确定电池仓内的电池是否发生形变，由于将压力传感器设置在了电池仓内，减小了电池的成本。

Claims (10)

  1. 一种电池形变检测方法，包括：
    获取电池仓内设置的压力传感器检测到的压力值；
    根据所述压力值以及预先设定的安全阈值，确定电池仓内的电池是否发生形变。
  2. 如权利要求1所述的方法，其中：
    所述根据所述压力值以及预先设定的安全阈值，确定电池仓内的电池是否发生形变，包括：
    确定该压力值达到安全阈值的持续时间超过设定值时，确定电池发生形变；或者
    确定电池仓内设置的多个压力传感器检测到的压力值中，存在差值达到安全阈值的两个压力值，且持续时间超过设定值时，确定电池发生形变。
  3. 如权利要求1所述的方法，其中：
    所述安全阈值是根据电池仓结构强度设置的。
  4. 如权利要求2所述的方法，其中：
    所述确定该压力值达到安全阈值的持续时间超过设定值时，确定电池发生形变，包括：
    通过陀螺仪判断当前设备的摆放方式；
    从多个摆放方式对应的安全阈值中，选出当前摆放方式对应的安全阈值；
    确定该压力值达到当前摆放方式对应的安全阈值的持续时间超过设定值时，确定电池发生形变。
  5. 如权利要求1-4任一所述的方法，其中：
    所述确定电池发生形变后，还包括：
    进行告警；和/或
    触发关机流程并在连接电源时切断电源。
  6. 一种电池形变检测设备，包括：
    接收单元，设置为获取电池仓内设置的压力传感器检测到的压力值；
    确定单元，设置为根据所述压力值以及预先设定的安全阈值，确定电池仓内的电池是否发生形变。
  7. 如权利要求6所述的设备，其中：
    所述确定单元，是设置为：
    确定该压力值达到安全阈值的持续时间超过设定值时，确定电池发生形变；或者
    确定电池仓内设置的多个压力传感器检测到的压力值中，存在差值达到安全阈值的两个压力值，且持续时间超过设定值时，确定电池发生形变。
  8. 如权利要求7所述的设备，其中：
    所述确定单元，是设置为采用以下方式确定该压力值达到安全阈值的持续时间超过设定值时，确定电池发生形变：
    通过陀螺仪判断当前设备的摆放方式；
    从多个摆放方式对应的安全阈值中，选出当前摆放方式对应的安全阈值；
    确定该压力值达到当前摆放方式对应的安全阈值的持续时间超过设定值时，确定电池发生形变。
  9. 一种电池形变检测设备，包括设置有压力传感器的电池仓以及处理器，其中：
    所述处理器，设置为获取电池仓内设置的压力传感器检测到的压力值；根据所述压力值以及预先设定的安全阈值，确定电池仓内的电池是否发生形变。
  10. 如权利要求9所述的设备，其中：
    所述处理器，是设置为采用以下方式根据所述压力值以及预先设定的安 全阈值，确定电池仓内的电池是否发生形变：
    确定该压力值达到安全阈值的持续时间超过设定值时，确定电池发生形变；或者
    确定电池仓内设置的多个压力传感器检测到的压力值中，存在差值达到安全阈值的两个压力值，且持续时间超过设定值时，确定电池发生形变。
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