WO2015176554A1 - 电池电量的检测显示方法及装置 - Google Patents

电池电量的检测显示方法及装置 Download PDF

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WO2015176554A1
WO2015176554A1 PCT/CN2015/071774 CN2015071774W WO2015176554A1 WO 2015176554 A1 WO2015176554 A1 WO 2015176554A1 CN 2015071774 W CN2015071774 W CN 2015071774W WO 2015176554 A1 WO2015176554 A1 WO 2015176554A1
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power
control unit
battery
electrical signals
range
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PCT/CN2015/071774
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English (en)
French (fr)
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沈楷诚
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无锡英诺浦斯微电子有限公司
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Priority claimed from CN201410220799.5A external-priority patent/CN104009521A/zh
Priority claimed from CN201410220785.3A external-priority patent/CN104007392B/zh
Application filed by 无锡英诺浦斯微电子有限公司 filed Critical 无锡英诺浦斯微电子有限公司
Publication of WO2015176554A1 publication Critical patent/WO2015176554A1/zh

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]

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  • the present invention relates to the field of electronic detection technology, and in particular, to a method and apparatus for detecting and displaying battery power.
  • portable electronic devices are becoming more and more popular in our lives, such as mobile phones, notebook computers, tablets, etc.
  • the design of portable electronic devices is becoming more intelligent and increasingly powerful; for example, Internet, shopping, navigation, watching movies, and more, anytime, anywhere on your smartphone.
  • the communication module in the device should continuously send and receive signals, and the components such as the display screen and the processor should continue to work, resulting in a large power consumption of the device, but due to the portability of the portable electronic device,
  • the size of portable electronic devices has high requirements, and the capacity of portable electronic devices is very limited, and it is difficult to support long-term operation of electronic devices.
  • the technical means to solve this problem is to use mobile power to power electronic devices.
  • the mobile power source is also a kind of power storage device. After the stored power is used, it needs to be charged in time to supply power normally; therefore, it is especially important for the user to accurately grasp the power level in the mobile power source. If the battery power display is inaccurate, the user cannot connect the electronic device for normal use, or the user suddenly loses power during use, which may cause communication interruption, data loss, or even more serious consequences.
  • the mobile power supply on the market generally uses LED indicators or display screens to indicate the amount of power in the mobile power source. The display screen shows that the power is relatively intuitive, but the cost is high; therefore, the mainstream technology on the market is generally adopted. LED indicator to show the amount of power in the mobile power.
  • the most common method is to set multiple LED indicators on the mobile power supply, and each LED indicator corresponds to a power status. For example, the green LED indicator indicates that the power in the mobile power source is sufficient, the red LED indicator indicates the power alarm in the mobile power source, and the yellow LED indicator indicates that the mobile power source is in the charging state.
  • the green LED indicator indicates that the power in the mobile power source is sufficient
  • the red LED indicator indicates the power alarm in the mobile power source
  • the yellow LED indicator indicates that the mobile power source is in the charging state.
  • multiple LED indicators need to be designed on the mobile power supply, which is costly, which is not conducive to market competition of products;
  • the circuit for controlling multiple LED indicators is relatively complicated, and has great stability for products. influences.
  • the power display in the mobile power source is not intuitive and accurate.
  • the alarm LED indicator lights up, but if the mobile power source only has 25% of the power, the alarm LED indicator The corresponding prompt cannot be made. If the user does not charge the mobile power in time, it will affect the use and affect the life of the mobile power supply.
  • the invention aims to provide a method for detecting and displaying battery power, so as to solve the problem that the mobile power source uses a plurality of LED indicators to display the state of charge, the cost is high, the structure is complicated, and the display result is not intuitive and accurate.
  • a method for detecting and displaying a battery power according to the present invention includes the following steps:
  • the battery power is divided into a plurality of power ranges, and each power range corresponds to one or more preset electrical signals; when the battery is charged or discharged, the battery power is sampled; and the sampled power is compared with the battery full power threshold. Obtaining a percentage value of the sampled power; outputting a corresponding number of electrical signals to the control unit according to the power range corresponding to the percentage value of the sampled power, and the control unit controls whether the indicator flashes or shorts according to the number of received electrical signals. The number of times indicates the state of charge of the battery.
  • the battery power is divided into three power ranges: 67%-100% of the power range, 33%-67% of the power range, 0%-33% of the power range; under the battery charging state, the control unit outputs high power
  • the flat signal driving indicator is always on: 67%-100% of the power range corresponds to the preset 3 electrical signals. After the control unit receives 3 electrical signals, the control indicator is steady on for 3 consecutive times; 33%-67%
  • the power range corresponds to two preset electrical signals. After the control unit receives two electrical signals, the control indicator lights up continuously for two consecutive times; 0%-33% of the power range corresponds to one preset electrical signal, and the control unit Control indication after receiving 1 electrical signal When the lamp is always on, it is shorted one time;
  • the control unit When the battery is discharged, the control unit outputs a low-level signal to drive the indicator light to be off: 67%-100% of the power range corresponds to the preset 3 electrical signals, and the control unit receives 3 electrical signals and the control indicator is continuously off. 3 flashes; 33%-67% of the power range corresponds to the preset 2 electrical signals. After the control unit receives 2 electrical signals, the control indicator flashes continuously for 2 consecutive times; 0%-33% of the power range Corresponding to one preset electrical signal, after the control unit receives one electrical signal, the control indicator flashes continuously for one time in the normally off state.
  • the battery power is sampled by three comparators; when the battery is charged or discharged: when the sampled power is in the range of 67%-100%, the three comparators output electrical signals to the control unit; the sampled power is 33. In the range of %-67%, two of the three comparators output electrical signals to the control unit; when the power is between 0% and 33%, one of the three comparators outputs Electrical signal to the control unit.
  • the battery power is divided into four power ranges: 75%-100% of the power range, 50%-75% of the power range, 25%-50% of the power range, 0%-25% of the power range; battery
  • the control unit outputs a high level signal to drive the indicator light to be constantly on: 75%-100% of the power range corresponds to the preset 4 electrical signals, and the control unit receives 4 electrical signals and the control indicator is always on.
  • the second short-circuit; 50%-75% of the power range corresponds to the preset 3 electrical signals, and the control unit receives 3 electrical signals, and the control indicator is always on for 3 consecutive short-offs; 25%-50% of the power range corresponds to Preset 2 electrical signals, the control unit receives 2 electrical signals, and the control indicator lights up continuously for 2 consecutive times; 0%-25% of the power range corresponds to a preset 1 electrical signal, and the control unit receives 1 electrical signal. After the signal is controlled, the indicator light is on for 1 consecutive times;
  • the control unit When the battery is discharged, the control unit outputs a low-level signal to drive the indicator light to be off: 75%-100% of the power range corresponds to the preset 4 electrical signals, and the control unit receives 4 electrical signals, and the control indicator is continuously off. 4 flashes; 50%-75% of the power range corresponds to the preset 3 electrical signals. After the control unit receives 3 electrical signals, the control indicator flashes continuously for 3 consecutive times; 25%-50% of the power range Corresponding preset 2 electrical signals, after the control unit receives 2 electrical signals, the control indicator flashes continuously for 2 consecutive times; 0%-25% of the power range corresponds to a preset 1 electrical signal, and the control unit receives 1 electrical signal. When the control indicator is off, the flashing occurs continuously for 1 time.
  • the battery power is sampled by four comparators; when the battery is charged or discharged: when the sampled power is in the range of 75%-100%, the four comparators output electrical signals to the control unit; the sampled power is 50.
  • the power range is -75%
  • 3 of the 4 comparators output electrical signals to the control unit; when the power is 25%-50%, 2 of the 4 comparators output The electrical signal is sent to the control unit; when the sampled power is in the range of 0%-25%, one of the four comparators outputs an electrical signal to the control unit.
  • the indicator light is an LED indicator.
  • control unit is connected to the indicator light through an Nmosfet tube (N-type metal-oxide layer-semiconductor field effect transistor).
  • Nmosfet tube N-type metal-oxide layer-semiconductor field effect transistor
  • control unit is an MCU control unit.
  • a device for detecting and displaying battery power including:
  • a power collection module that samples a battery power and a charging module that charges the battery
  • the power collection module and the charging module are both connected to the MCU control unit, and the power collection module outputs one or more electrical signals to the MCU control unit, and the MCU control unit connects the indicator lights through the Nmosfet tube.
  • the charging module is an LTC4054 integrated circuit module.
  • the battery's power can be displayed by the number of flashes or shorts between the indicators. There is no need to set multiple indicators on the power supply, and the manufacturing cost of the power supply is further reduced. At the same time, the corresponding control The circuit is simple and easy to operate, which is beneficial to prolonging the service life of the product and improving the stability of the product. Moreover, the range of the battery power can be determined according to the number of flashes or short-offs of the indicator light, and the result is intuitive, and the user can accurately understand the power status of the power supply. .
  • Figure 1 is a schematic block diagram of the present invention
  • FIG. 2 is a schematic diagram 1 of the power collection module of the present invention.
  • FIG. 3 is a schematic diagram 2 of the power collection module of the present invention.
  • 101 battery; 102, power collection module; 103, charging module; 104, MCU control unit; 105, Nmosfet tube; 106, LED indicator; 107, comparator.
  • a preferred embodiment of the present invention provides a battery power detecting and displaying device, including: a power collecting module 102 for sampling the power of the battery 101 and a charging module 103 for charging the battery 101; and a power collecting module Both the 102 and the charging module 103 are connected to the MCU control unit 104.
  • the power collection module 102 outputs one or more electrical signals to the MCU control unit 104.
  • the MCU control unit 104 connects the indicator lights 106 through the Nmosfet tube 105.
  • the power collecting module 102 can be composed of three comparators 107. One of the three comparators 107 is connected to the battery 101, and the other end is connected to the MCU control unit 104. Alternatively, the power collecting module 102 uses four comparators. 107, four comparators 107 are connected to the battery 101 at one end, and the other end The MCU control unit 104 is connected.
  • the charging module 103 can adopt the LTC4054 integrated circuit module, and the circuit is simple and the cost is low.
  • a preferred embodiment of the present invention provides a method for detecting and displaying battery power, comprising the following steps:
  • each power range corresponds to one or more preset electrical signals; when the battery is charged or discharged, the battery's power is sampled; the sampled power and the battery full The threshold is compared to obtain a percentage value of the sampled power; according to the power range corresponding to the percentage value of the sampled power, a corresponding number of electrical signals are output to the control unit, and the control unit controls the indicator flash according to the number of received electrical signals or Shorting the corresponding number indicates the state of charge of the battery.
  • the battery's power can be displayed by the number of flashes or shorts between the indicators. There is no need to set multiple indicators on the power supply, and the manufacturing cost of the power supply is further reduced. At the same time, the corresponding control circuit is simple. It is beneficial to prolong the service life of the product and improve the stability of the product. Moreover, according to the number of flashes or shorts of the indicator light, the range of the battery power can be determined. The result is intuitive, and the user can accurately understand the power status of the power supply.
  • the battery power is divided into three power ranges: 67%-100% of the power range, 33%-67% of the power range, 0%-33% of the power range; when the battery is charged, the control unit outputs high power
  • the flat signal driving indicator is always on: 67%-100% of the power range corresponds to the preset 3 electrical signals. After the control unit receives 3 electrical signals, the control indicator is steady on for 3 consecutive times; 33%-67%
  • the power range corresponds to two preset electrical signals. After the control unit receives two electrical signals, the control indicator lights up continuously for two consecutive times; 0%-33% of the power range corresponds to one preset electrical signal, and the control unit After receiving one electrical signal, the control indicator light is on for 1 consecutive times;
  • the control unit When the battery is discharged, the control unit outputs a low-level signal to drive the indicator light to be off: 67%-100%
  • the power range corresponds to preset 3 electrical signals. After the control unit receives 3 electrical signals, the control indicator lights off continuously for 3 consecutive times; 33%-67% of the power range corresponds to preset 2 electrical signals, and the control unit receives After 2 electrical signals, the control indicator flashes continuously for 2 consecutive times; 0%-33% of the power range corresponds to a preset 1 electrical signal, and the control unit receives 1 electrical signal and the control indicator is continuously off. Flashing once.
  • the power of the battery is sampled by three comparators; when the battery is charged or discharged: when the power is in the range of 67%-100%, the three comparators output electrical signals to the control unit.
  • the sampling power is in the range of 33%-67%
  • two of the three comparators output electrical signals to the control unit; when the sampling power is in the range of 0%-33%, the three comparators
  • One comparator outputs an electrical signal to the control unit.
  • the battery power is divided into four power ranges: 75%-100% of the power range, 50%-75% of the power range, 25%-50% of the power range, 0%-25% of the power range; battery
  • the control unit outputs a high level signal to drive the indicator light to be constantly on: 75%-100% of the power range corresponds to the preset 4 electrical signals, and the control unit receives 4 electrical signals and the control indicator is always on.
  • the second short-circuit; 50%-75% of the power range corresponds to the preset 3 electrical signals, and the control unit receives 3 electrical signals, and the control indicator is always on for 3 consecutive short-offs; 25%-50% of the power range corresponds to Preset 2 electrical signals, the control unit receives 2 electrical signals, and the control indicator lights up continuously for 2 consecutive times; 0%-25% of the power range corresponds to a preset 1 electrical signal, and the control unit receives 1 electrical signal. After the signal is controlled, the indicator light is on for 1 consecutive times;
  • the control unit When the battery is discharged, the control unit outputs a low-level signal to drive the indicator light to be off: 75%-100% of the power range corresponds to the preset 4 electrical signals, and the control unit receives 4 electrical signals, and the control indicator is continuously off. 4 flashes; 50%-75% of the power range corresponds to the preset 3 electrical signals. After the control unit receives 3 electrical signals, the control indicator flashes continuously for 3 consecutive times; 25%-50% of the power range Corresponding to two preset electrical signals, the control unit receives two electrical signals and then controls the indicator light to be off for 2 consecutive flashes; 0%-25% of the power range corresponds to one preset electrical signal, and the control unit receives one. Electric signal control indication When the lamp is off, the flash is intermittent for 1 time.
  • the power of the battery is sampled by four comparators; when the battery is charged or discharged: when the power is in the range of 75%-100%, the four comparators output electrical signals to the control unit.
  • the sampling power is in the range of 50%-75%
  • 3 of the 4 comparators output electrical signals to the control unit; when the sampling power is 25%-50%, the 4 comparators
  • Two comparators output electrical signals to the control unit; when the sampled power is in the range of 0%-25%, one of the four comparators outputs an electrical signal to the control unit.
  • the indicator light adopts an LED indicator
  • the control unit is connected to the indicator light through a Nmosfet tube, and the control unit is an MCU control unit.
  • the battery's power it is more preferable to divide the battery's power into three or four power ranges.
  • the number of flashes of the indicator light is small and the state is easy to be remembered by the user; on the other hand, the power range The interval is reasonable, and the indicated power can give the user a reasonable reference.
  • the battery's power can be displayed by the number of flashes or shorts of the indicator light.
  • the corresponding control circuit is simple and easy, which is beneficial to the operation. Extend the service life of the product and improve the stability of the product.
  • the range of the battery power can be determined. The result is intuitive, and the user can accurately understand the power status of the power supply.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Tests Of Electric Status Of Batteries (AREA)

Abstract

一种电池电量的检测显示方法和装置,其方法包括以下步骤:将电池(101)的电量划分为多个电量范围,每一电量范围对应的预设一个或多个电信号;在电池(101)充电或放电时,对电池(101)的电量进行采样;将采样电量与电池满电量阈值进行比较,得到采样电量的百分比值;根据采样电量的百分比值对应的电量范围,输出相应个数的电信号至控制单元(104),控制单元(104)根据接收到的电信号的个数控制指示灯(106)间闪或短灭相应的次数表示出电池(101)的电量状态。电池的电量通过指示灯的间闪或短灭次数显示,不用在电源上设置多个指示灯,电源的制造成本降低;同时,相应的控制电路简单易行;而且,根据指示灯的间闪或短灭次数可以判定电池电量的范围,用户更能准确了解电源的电量情况。

Description

电池电量的检测显示方法及装置 技术领域
本发明涉及电子检测技术领域,特别地,涉及一种电池电量的检测显示方法和装置。
背景技术
随着电子技术的快速发展,便携式电子设备在我们生活中日益普及,例如,移动电话、笔记本电脑、平板电脑等;而且,便携式电子设备的设计也越来越智能化,功能日益强大;例如,可通过智能手机随时随地进行上网、购物、导航、观看影片等。便携式电子设备在运行这些功能时,设备内的通信模块要持续的收发信号,显示屏、处理器等元件要持续工作,导致设备的耗电量也非常大,但由于便携式电子设备的便携性,便携式电子设备的尺寸大小具有较高要求,便携式电子设备自带的电池的容量非常有限,很难支持电子设备长时间运行。目前,解决这一问题的技术手段就是采用移动电源对电子设备进行供电。
移动电源也是一种电量存储设备,存储的电量使用完后,需要及时充电才能正常供电;因此,用户准确掌握移动电源内的电量情况尤为重要。如果电池电量显示不准确,用户无法连接电子设备正常使用,或者在用户使用过程中突然断电,有可能造成通讯中断、数据丢失、甚至更严重的后果。目前,市场上的移动电源一般是采用LED指示灯或显示屏来指示移动电源内的电量情况,采用显示屏显示电量结果比较直观,但成本较高;因此,目前市场上的主流技术一般是采用LED指示灯来显示移动电源内的电量情况。最通用的做法就是在移动电源上设置多个LED指示灯,每一个LED指示灯对应的表示一种电量状态。例如,采用绿色的LED指示灯表示移动电源内的电量充沛、红色的LED指示灯表示移动电源内的电量告警,黄色的LED指示灯表示移动电源处于充电状态等。 采用这种方式,移动电源上需要设计多个LED指示灯,成本较高,不利于产品的市场竞争;而且,控制多个LED指示灯的电路相对复杂,对于产品的稳定性也具有较大的影响。同时,移动电源内的电量显示也不直观准确,例如,移动电源设定的为20%的电量时,告警LED指示灯点亮,但如果移动电源只具有25%的电量时,告警LED指示灯无法做出相应提示,使用者不及时对移动电源进行充电,就会影响使用,并影响移动电源的寿命。
发明内容
本发明目的在于提供一种电池电量的检测显示方法,以解决现有技术中,移动电源采用多个LED指示灯显示电量状态,成本高、结构复杂,而且显示结果不直观准确的问题。
为实现上述目的,根据本发明提供一种电池电量的检测显示方法,包括以下步骤:
将电池的电量划分为多个电量范围,每一电量范围对应的预设一个或多个电信号;在电池充电或放电时,对电池的电量进行采样;将采样电量与电池满电量阈值进行比较,得到采样电量的百分比值;根据采样电量的百分比值对应的电量范围,输出相应个数的电信号至控制单元,控制单元根据接收到的电信号的个数控制指示灯间闪或短灭相应的次数表示出电池的电量状态。
进一步地,电池的电量划分为三个电量范围:67%-100%的电量范围、33%-67%的电量范围、0%-33%的电量范围;电池充电状态下,控制单元输出高电平信号驱动指示灯常亮:67%-100%的电量范围对应预设3个电信号,控制单元接收3个电信号后控制指示灯常亮状态下连续3次短灭;33%-67%的电量范围对应预设2个电信号,控制单元接收2个电信号后控制指示灯常亮状态下连续2次短灭;0%-33%的电量范围对应预设1个电信号,控制单元接收1个电信号后控制指示 灯常亮状态下连续1次短灭;
电池放电状态下,控制单元输出低电平信号驱动指示灯常灭:67%-100%的电量范围对应预设3个电信号,控制单元接收3个电信号后控制指示灯常灭状态下连续3次间闪;33%-67%的电量范围对应预设2个电信号,控制单元接收2个电信号后控制指示灯常灭状态下连续2次间闪;0%-33%的电量范围对应预设1个电信号,控制单元接收1个电信号后控制指示灯常灭状态下连续1次间闪。
进一步地,电池的电量由3个比较器进行采样;电池充电或放电状态下:采样电量为67%-100%的电量范围时,3个比较器均输出电信号至控制单元;采样电量为33%-67%的电量范围时,3个比较器中的2个比较器输出电信号至控制单元;采样电量为0%-33%的电量范围时,3个比较器中的1个比较器输出电信号至控制单元。
进一步地,电池的电量划分为四个电量范围:75%-100%的电量范围、50%-75%的电量范围、25%-50%的电量范围、0%-25%的电量范围;电池充电状态下,控制单元输出高电平信号驱动指示灯常亮:75%-100%的电量范围对应预设4个电信号,控制单元接收4个电信号后控制指示灯常亮状态下连续4次短灭;50%-75%的电量范围对应预设3个电信号,控制单元接收3个电信号后控制指示灯常亮状态下连续3次短灭;25%-50%的电量范围对应预设2个电信号,控制单元接收2个电信号后控制指示灯常亮状态下连续2次短灭;0%-25%的电量范围对应预设1个电信号,控制单元接收1个电信号后控制指示灯常亮状态下连续1次短灭;
电池放电状态下,控制单元输出低电平信号驱动指示灯常灭:75%-100%的电量范围对应预设4个电信号,控制单元接收4个电信号后控制指示灯常灭状态下连续4次间闪;50%-75%的电量范围对应预设3个电信号,控制单元接收3个电信号后控制指示灯常灭状态下连续3次间闪;25%-50%的电量范围对应预设 2个电信号,控制单元接收2个电信号后控制指示灯常灭状态下连续2次间闪;0%-25%的电量范围对应预设1个电信号,控制单元接收1个电信号后控制指示灯常灭状态下连续1次间闪。
进一步地,电池的电量由4个比较器进行采样;电池充电或放电状态下:采样电量为75%-100%的电量范围时,4个比较器均输出电信号至控制单元;采样电量为50%-75%的电量范围时,4个比较器中的3个比较器输出电信号至控制单元;采样电量为25%-50%的电量范围时,4个比较器中的2个比较器输出电信号至控制单元;采样电量为0%-25%的电量范围时,4个比较器中的1个比较器输出电信号至控制单元。
进一步地,指示灯为LED指示灯。
进一步地,控制单元通过Nmosfet管(N型金属-氧化层-半导体场效晶体管)与指示灯连接。
进一步地,控制单元为MCU控制单元。
同时提供一种电池电量的检测显示装置,包括:
对电池的电量进行采样的电量采集模块与对所述电池进行充电的充电模块;
所述电量采集模块与所述充电模块均与MCU控制单元连接,所述电量采集模块输出一个或多个电信号至所述MCU控制单元,所述MCU控制单元通过Nmosfet管连接指示灯。
进一步地,所述充电模块为LTC4054集成电路模块。
本发明具有以下有益效果:
电池充电和放电时,电池的电量可以通过指示灯的间闪或短灭次数来显示,不用在电源上设置多个指示灯,电源的制造成本进一步降低;同时,相应的控 制电路简单易行,利于延长产品的使用寿命,提高产品的稳定性;而且,根据指示灯的间闪或短灭次数可以判定电池电量的范围,结果直观,用户更能准确了解电源的电量情况。
附图说明
下面将参照图,对本发明作进一步详细的说明。构成本申请的一部分的附图用来提供对本发明的进一步理解,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。在附图中:
图1是本发明的原理框图;
图2是本发明中电量采集模块的原理图一;以及
图3是本发明中电量采集模块的原理图二。
附图标记说明:
101、电池;102、电量采集模块;103、充电模块;104、MCU控制单元;105、Nmosfet管;106、LED指示灯;107、比较器。
具体实施方式
以下结合附图对本发明的实施例进行详细说明。
请参阅图1,本发明的优选实施例提供了一种电池电量的检测显示装置,包括:对电池101的电量进行采样的电量采集模块102与对电池101进行充电的充电模块103;电量采集模块102与充电模块103均与MCU控制单元104连接,电量采集模块102输出一个或多个电信号至MCU控制单元104,MCU控制单元104通过Nmosfet管105连接指示灯106。
请参阅图2与图3,电量采集模块102可以采用三个比较器107组成,三个比较器107一端连接电池101,另一端连接MCU控制单元104;或者,电量采集模块102采用四个比较器107组成,四个比较器107一端连接电池101,另一端 连接MCU控制单元104。充电模块103可以采用LTC4054集成电路模块,电路简单,成本低。
本发明的优选实施例提供了一种电池电量的检测显示方法,包括以下步骤:
将电池的电量划分为多个电量范围,例如,2个电量范围:0%-50%的电量、50%-100%的电量;3个电量范围:67%-100%的电量、33%-67%的电量、0%-33%的电量等;每一电量范围对应的预设一个或多个电信号;在电池充电或放电时,对电池的电量进行采样;将采样电量与电池满电量阈值进行比较,得到采样电量的百分比值;根据采样电量的百分比值对应的电量范围,输出相应个数的电信号至控制单元,控制单元根据接收到的电信号的个数控制指示灯间闪或短灭相应的次数表示出电池的电量状态。
在电池充电和放电时,电池的电量可以通过指示灯的间闪或短灭的次数来显示,不用在电源上设置多个指示灯,电源的制造成本进一步降低;同时,相应的控制电路简单易行,利于延长产品的使用寿命,提高产品的稳定性;而且,根据指示灯的间闪或短灭的次数可以判定电池电量的范围,结果直观,用户更能准确了解电源的电量情况。
优选地,电池的电量划分为三个电量范围:67%-100%的电量范围、33%-67%的电量范围、0%-33%的电量范围;电池充电状态下,控制单元输出高电平信号驱动指示灯常亮:67%-100%的电量范围对应预设3个电信号,控制单元接收3个电信号后控制指示灯常亮状态下连续3次短灭;33%-67%的电量范围对应预设2个电信号,控制单元接收2个电信号后控制指示灯常亮状态下连续2次短灭;0%-33%的电量范围对应预设1个电信号,控制单元接收1个电信号后控制指示灯常亮状态下连续1次短灭;
电池放电状态下,控制单元输出低电平信号驱动指示灯常灭:67%-100%的 电量范围对应预设3个电信号,控制单元接收3个电信号后控制指示灯常灭状态下连续3次间闪;33%-67%的电量范围对应预设2个电信号,控制单元接收2个电信号后控制指示灯常灭状态下连续2次间闪;0%-33%的电量范围对应预设1个电信号,控制单元接收1个电信号后控制指示灯常灭状态下连续1次间闪。
请参阅图2,优选地,电池的电量由3个比较器进行采样;电池充电或放电状态下:采样电量为67%-100%的电量范围时,3个比较器均输出电信号至控制单元;采样电量为33%-67%的电量范围时,3个比较器中的2个比较器输出电信号至控制单元;采样电量为0%-33%的电量范围时,3个比较器中的1个比较器输出电信号至控制单元。
优选地,电池的电量划分为四个电量范围:75%-100%的电量范围、50%-75%的电量范围、25%-50%的电量范围、0%-25%的电量范围;电池充电状态下,控制单元输出高电平信号驱动指示灯常亮:75%-100%的电量范围对应预设4个电信号,控制单元接收4个电信号后控制指示灯常亮状态下连续4次短灭;50%-75%的电量范围对应预设3个电信号,控制单元接收3个电信号后控制指示灯常亮状态下连续3次短灭;25%-50%的电量范围对应预设2个电信号,控制单元接收2个电信号后控制指示灯常亮状态下连续2次短灭;0%-25%的电量范围对应预设1个电信号,控制单元接收1个电信号后控制指示灯常亮状态下连续1次短灭;
电池放电状态下,控制单元输出低电平信号驱动指示灯常灭:75%-100%的电量范围对应预设4个电信号,控制单元接收4个电信号后控制指示灯常灭状态下连续4次间闪;50%-75%的电量范围对应预设3个电信号,控制单元接收3个电信号后控制指示灯常灭状态下连续3次间闪;25%-50%的电量范围对应预设2个电信号,控制单元接收2个电信号后控制指示灯常灭状态下连续2次间闪;0%-25%的电量范围对应预设1个电信号,控制单元接收1个电信号后控制指示 灯常灭状态下连续1次间闪。
请参阅图3,优选地,电池的电量由4个比较器进行采样;电池充电或放电状态下:采样电量为75%-100%的电量范围时,4个比较器均输出电信号至控制单元;采样电量为50%-75%的电量范围时,4个比较器中的3个比较器输出电信号至控制单元;采样电量为25%-50%的电量范围时,4个比较器中的2个比较器输出电信号至控制单元;采样电量为0%-25%的电量范围时,4个比较器中的1个比较器输出电信号至控制单元。
优选地,指示灯采用LED指示灯,控制单元通过Nmosfet管与指示灯连接,控制单元为MCU控制单元。
在实际设计过程中,将电池的电量划分为三个或四个电量范围是较为优选的方案,一方面,指示灯的间闪显示次数与状态较少,易于用户记忆;另一方面,电量范围区间合理,表示出的电量能够给用户合理的参考。
从以上的描述中,可以看出,本发明上述的实施例实现了如下技术效果:
电池充电和放电时,电池的电量可以通过指示灯的间闪或短灭次数显示,不用在电源上设置多个指示灯,电源的制造成本进一步降低;同时,相应的控制电路简单易行,利于延长产品的使用寿命,提高产品的稳定性;而且,根据指示灯的间闪或短灭次数可以判定电池电量的范围,结果直观,用户更能准确了解电源的电量情况。
以上所述仅为本发明的优选实施例而已,并不用于限制本发明;对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。

Claims (10)

  1. 一种电池电量的检测显示方法,其特征在于,包括以下步骤:
    将电池的电量划分为多个电量范围,每一所述电量范围对应的预设一个或多个电信号;
    在所述电池充电或放电时,对所述电池的电量进行采样;
    将采样电量与所述电池满电量阈值进行比较,得到所述采样电量的百分比值;
    根据所述采样电量的百分比值对应的所述电量范围,输出相应个数的所述电信号至控制单元,所述控制单元根据接收到的所述电信号的个数控制所述指示灯间闪或短灭相应的次数表示出所述电池的电量状态。
  2. 根据权利要求1所述的电池电量的检测显示方法,其特征在于:
    所述电池的电量划分为三个电量范围:67%-100%的电量范围、33%-67%的电量范围、0%-33%的电量范围;
    所述电池充电状态下,所述控制单元输出高电平信号驱动所述指示灯常亮:
    所述67%-100%的电量范围对应预设3个所述电信号,所述控制单元接收3个所述电信号后控制所述指示灯常亮状态下连续3次短灭;
    所述33%-67%的电量范围对应预设2个所述电信号,所述控制单元接收2个所述电信号后控制所述指示灯常亮状态下连续2次短灭;
    所述0%-33%的电量范围对应预设1个所述电信号,所述控制单元接收1次所述电信号后控制所述指示灯常亮状态下连续1次短灭;
    所述电池放电状态下,所述控制单元输出低电平信号驱动所述指示灯常灭:
    所述67%-100%的电量范围对应预设3个所述电信号,所述控制单元接收3个所述电信号后控制所述指示灯常灭状态下连续3次间闪;
    所述33%-67%的电量范围对应预设2个电信号,所述控制单元接收2个所述 电信号后控制所述指示灯常灭状态下连续2次间闪;
    所述0%-33%的电量范围对应预设1个所述电信号,所述控制单元接收1个所述电信号后控制所述指示灯常灭状态下连续1次间闪。
  3. 根据权利要求2所述的电池电量的检测显示方法,其特征在于:
    所述电池的电量由3个比较器进行采样;
    所述电池充电或放电状态下:
    所述采样电量为67%-100%的电量范围时,3个所述比较器均输出电信号至所述控制单元;
    所述采样电量为33%-67%的电量范围时,3个所述比较器中的2个所述比较器输出电信号至所述控制单元;
    所述采样电量为0%-33%的电量范围时,3个所述比较器中的1个所述比较器输出电信号至所述控制单元。
  4. 根据权利要求1所述的电池电量的检测显示方法,其特征在于:
    所述电池的电量划分为四个电量范围:75%-100%的电量范围、50%-75%的电量范围、25%-50%的电量范围、0%-25%的电量范围;
    所述电池充电状态下,所述控制单元输出高电平信号驱动所述指示灯常亮:
    所述75%-100%的电量范围对应预设4个所述电信号,所述控制单元接收4个所述电信号后控制所述指示灯常亮状态下连续4次短灭;
    所述50%-75%的电量范围对应预设3个所述电信号,所述控制单元接收3个所述电信号后控制所述指示灯常亮状态下连续3次短灭;
    所述25%-50%的电量范围对应预设2个所述电信号,所述控制单元接收2个所述电信号后控制所述指示灯常亮状态下连续2次短灭;
    所述0%-25%的电量范围对应预设1个所述电信号,所述控制单元接收1个 所述电信号后控制所述指示灯常亮状态下连续1次短灭;
    所述电池放电状态下,所述控制单元输出低电平信号驱动所述指示灯常灭:
    所述75%-100%的电量范围对应预设4个所述电信号,所述控制单元接收4个所述电信号后控制所述指示灯常灭状态下连续4次间闪;
    所述50%-75%的电量范围对应预设3个所述电信号,所述控制单元接收3个所述电信号后控制所述指示灯常灭状态下连续3次间闪;
    所述25%-50%的电量范围对应预设2个所述电信号,所述控制单元接收2个所述电信号后控制所述指示灯常灭状态下连续2次间闪;
    所述0%-25%的电量范围对应预设1个所述电信号,所述控制单元接收1个所述电信号后控制所述指示灯常灭状态下连续1次间闪。
  5. 根据权利要求4所述的电池电量的检测显示方法,其特征在于:
    所述电池的电量由4个比较器进行采样;
    所述电池充电或放电状态下:
    所述采样电量为75%-100%的电量范围时,4个所述比较器均输出电信号至所述控制单元;
    所述采样电量为50%-75%的电量范围时,4个所述比较器中的3个所述比较器输出电信号至所述控制单元;
    所述采样电量为25%-50%的电量范围时,4个所述比较器中的2个所述比较器输出电信号至所述控制单元;
    所述采样电量为0%-25%的电量范围时,4个所述比较器中的1个所述比较器输出电信号至所述控制单元。
  6. 根据权利要求1-5任一项所述的电池电量的检测显示方法,其特征在于:
    所述指示灯为LED指示灯。
  7. 根据权利要求1-5任一项所述的电池电量的检测显示方法,其特征在于:
    所述控制单元通过Nmosfet管与所述指示灯连接。
  8. 根据权利要求7所述的电池电量的检测显示方法,其特征在于:
    所述控制单元为MCU控制单元。
  9. 一种电池电量的检测显示装置,其特征在于,包括:
    对电池的电量进行采样的电量采集模块与对所述电池进行充电的充电模块;
    所述电量采集模块与所述充电模块均与MCU控制单元连接,所述电量采集模块输出一个或多个电信号至所述MCU控制单元,所述MCU控制单元通过Nmosfet管连接指示灯。
  10. 根据权利要求9所述的电池电量的检测显示装置,其特征在于:
    所述充电模块为LTC4054集成电路模块。
PCT/CN2015/071774 2014-05-23 2015-01-28 电池电量的检测显示方法及装置 WO2015176554A1 (zh)

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