CN103618361A - Self-adaption charging method and charger - Google Patents

Self-adaption charging method and charger Download PDF

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Publication number
CN103618361A
CN103618361A CN 201310656798 CN201310656798A CN103618361A CN 103618361 A CN103618361 A CN 103618361A CN 201310656798 CN201310656798 CN 201310656798 CN 201310656798 A CN201310656798 A CN 201310656798A CN 103618361 A CN103618361 A CN 103618361A
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charging
charger
method
unit
batteries
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CN 201310656798
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Chinese (zh)
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赵翔
李仁德
江泽良
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广州吉欧电子科技有限公司
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Abstract

The invention discloses a self-adaption charging method and a charger. According to the method, the number of batteries to be charged is determined at first, and then a charging voltage and a maximum charging current are set according to the number of the batteries to charge the batteries. The charger comprises an input protection unit, an MCU power supply unit, an MCU, a charging unit and a battery module unit. The self-adaption charging method and the charger achieve the purpose of charging different types of batteries through the same charger, thereby reducing resource waste.

Description

自适应充电方法及充电器 Adaptive charging method and charger

技术领域 FIELD

[0001 ] 本发明涉及工业锂电池充电领域,尤其涉及一种自适应充电方法及充电器。 [0001] The present invention relates to a lithium battery industry, and more particularly relates to an adaptive charging method and charger.

背景技术 Background technique

[0002] 传统工业设备的电池大多为单个电池串联连接(单串),多个电池并联连接(多并)的方式,但是为了满足快速充电和大容量电池的需求,越来越多的电池采用了两串多并、三串多并的方式连接,同一个厂家,要为不同连接方式的电池做不同的充电座及充电电路,不仅通用性差,还造成了极大的浪费。 [0002] Battery conventional industrial equipment, mostly single cells connected in series (single string), a plurality of cells connected in parallel (and multiple) manner, but in order to cope with a fast and large-capacity battery charging, the battery using more and two strings of multiple, three strings of a multi-mode and connected to the same manufacturer, to do different charging dock and charging of the battery circuit different connectors, not only poor versatility, also caused great waste. 另外,工业用锂电,对性能和容量要求高,并且非常忌讳过冲和过放。 Further, lithium industrial, high performance and capacity requirements, and very taboo overshoot and over-discharge.

发明内容 SUMMARY

[0003] 本发明的目的是,提供一种自适应充电方法及充电器,以解决现有的电池充电器通用性差的问题。 [0003] The object of the present invention is to provide an adaptive charging method and charger, a battery charger in order to solve the conventional problem of poor versatility.

[0004] 本发明公开了一种自适应充电方法,上述方法包括: [0004] The present invention discloses an adaptive charging method, said method comprising:

[0005] 确定待充电电池的节数; [0005] The number of sections determines the battery to be charged;

[0006] 根据上述节数,配置充电电压及最大充电电流; [0006] According to the number of sections, arranged charging voltage and maximum charging current;

[0007] 为上述电池充电。 [0007] charge the battery.

[0008] 优选地,上述方法通过ADC (Analog to Digital Converter,模数变换器)采样待充电电池电压的方式确定待充电电池的节数。 [0008] Preferably, the above methods section number ADC (Analog to Digital Converter, analog to digital converter) samples the battery voltage to be charged in a manner determined by the battery to be charged.

[0009] 优选地,若上述待充电电池为智能电池,则上述方法通过I2C (Inter —Integrated Circuit)总线读取上述待充电电池的信息来确定待充电电池的节数。 [0009] Preferably, if the above-described battery to be charged for the intelligent battery, the above-described method by I2C (Inter -Integrated Circuit) bus to read information of the battery to be charged is determined by the number of sections of the battery to be charged.

[0010] 优选地,上述电池的节数为单节、双节或三节。 Number Section [0010] Preferably, the battery is a single, dual or triple.

[0011] 优选地,若上述电池的节数为单节,则其充电电压为4.2V、最大充电电流为IA ; [0011] Preferably, if the number of the battery section is single, then the charging voltage of 4.2V, the maximum charging current IA;

[0012] 若上述电池的节数为双节,则其充电电压为8.4V、最大充电电流为IA ; [0012] If the section number is double the battery, its charging voltage of 8.4V, the maximum charging current IA;

[0013] 若上述电池的节数为单节,则其充电电压为12.6V、最大充电电流为1A。 [0013] When the number of the battery section is single, then the charging voltage of 12.6V, the maximum charging current to 1A.

[0014] 本发明进一步公开了一种自适应充电器,包括输入保护单元,用于为充电器提供前端输入过压过流保护以及抑制电源的中低频噪声;电池模组单元,用于放置待充电电池;充电单元,用于为待充电电池充电;上述充电器还包括微控制单元(Micro Control Unit,MCU)及MCU供电单元,上述 [0014] The present invention further discloses an adaptive charger comprises an input protection unit, for providing to the front end of the charger input overvoltage and overcurrent protection and suppression of low frequency noise in the power supply; battery module unit to be placed rechargeable battery; a charging unit for charging the battery to be charged; of the charger further comprising a micro control unit (micro control unit, MCU) and a power supply unit MCU, the above-described

[0015] MCU,用于确定待充电电池的节数;以及根据上述节数,控制上述充电单元的充电电压及最大充电电流; [0015] MCU, the number of sections for determining the battery to be charged; and said number of sections, the charging unit controls the charging voltage and maximum charging current in accordance with;

[0016] MCU供电单元,用于将上述输入保护单元输出的电压转换成上述MCU的工作电压,为上述MCU供电。 [0016] MCU power supply unit, the input protection unit for converting the output voltage into the operating voltage of the above-described MCU, the above-described MCU.

[0017] 优选地,上述MCU,用于通过ADC采样待充电电池电压的方式确定待充电电池的节数;或者在待充电电池为智能电池时,通过I2C总线读取电池信息来确定电池的节数。 [0017] Preferably, the MCU, the number of sections to be used to determine the charging of the battery to be charged by the battery voltage ADC sampling fashion; or battery to be charged is a smart battery, the battery is determined by reading the battery information I2C bus number.

[0018] 优选地,上述充电器还包括分压单元和状态指示电路单元,上述[0019] 分压单元,用于将不同节数电池的电压分压到MCU ADC采样的量程; [0018] Preferably, the charger further comprising a voltage dividing unit and a status indication circuit means, the [0019] dividing unit for the battery voltages of different numbers of dividing the range MCU ADC samples;

[0020] 状态指示单元,用于来提示充电状态。 [0020] The state indicating unit configured to prompt the state of charge.

[0021] 优选地,上述充电单元为锂电池充电芯片; [0021] Preferably, the charging unit is a lithium battery chip;

[0022] 上述MCU供电单元为低压差线性稳压器(low dropout regulator, LD0)。 [0022] The power supply unit MCU as low-dropout linear regulator (low dropout regulator, LD0).

[0023] 优选地,上述充电单元,用于将电池的充电状态反馈给上述MCU ; [0023] Preferably, said charging means for charging state of the battery is fed back to the MCU above;

[0024] 上述MCU,用于根据上述充电单元反馈的电池充电状态,控制上述状态指示单元的显示状态。 [0024] The MCU, according to the above-described state of charge of the battery charging unit feedback controls the display state of the state indicating unit.

[0025] 本发明采用低功耗的MCU,现场测试待充电电池的节数,从而设置相应的充电参数给电池充电,在确保充电接口定义一致的情况下,实现同一个充电器对不同类型电池的充电,减少了资源浪费。 [0025] The present invention uses low power MCU, the number of sections of the field test battery to be charged, so as to set the corresponding charging parameter to charge the battery, the charging interface to ensure consistency in the definition of a case, one and the same for different types of battery charger It charges, reducing the waste of resources.

附图说明 BRIEF DESCRIPTION

[0026] 此处所说明的附图用来提供对本发明的进一步理解,构成本发明的一部分,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。 [0026] The drawings described herein are provided for further understanding of the present invention, constituting part of the invention, exemplary embodiments of the present invention are used to explain the present invention without unduly limiting the present invention. 在附图中: In the drawings:

[0027] 图1是本发明自适应充电方法流程图; [0027] FIG. 1 is a flowchart of a method of the present invention is adaptive charging;

[0028] 图2是本发明自适应充电器的原理框图; [0028] FIG. 2 is a block diagram of an adaptive charger of the present invention;

[0029] 图3是图2中输入保护单元01优选实施例的电路原理图; [0029] FIG. 3 in FIG. 2 is an input protection unit 01 of the preferred embodiment schematic circuit diagram;

[0030] 图4是图2中分压单元03优选实施例的电路原理图; [0030] FIG. 4 is a circuit diagram of the embodiment of FIG. 2 partial pressure unit 03 preferred embodiment;

[0031] 图5是图2中状态指示单元07优选实施例的电路原理图。 [0031] FIG. 5 is a schematic circuit diagram of a preferred embodiment of FIG. 07 in the state indicating unit 2.

具体实施方式 detailed description

[0032] 为了使本发明所要解决的技术问题、技术方案及有益效果更加清楚、明白,以下结合附图和实施例,对本发明进行进一步详细说明。 [0032] In order to make the technical problem to be solved by the present invention, technical solutions and beneficial effects more clearly understand, in conjunction with the accompanying drawings and the following embodiments, the present invention will be further described in detail. 应当理解,此处所描述的具体实施例仅用以解释本发明,并不用于限定本发明。 It should be understood that the specific embodiments described herein are merely used to explain the present invention and are not intended to limit the present invention.

[0033] 如图1所示,是本发明自适应充电方法流程图,具体包括以下步骤: [0033] As shown in FIG 1, the present invention is a method for adaptively charging a flowchart includes the following steps:

[0034] 步骤SOl:确定待充电电池的节数N ; [0034] Step SOl: determining the number of sections N battery to be charged;

[0035] 本发明中,电池的节数N可选为单节、双节或三节,即N的取值可以为1、2或3。 [0035] In the present invention, a battery section number N optional single knots, double or three sections, i.e. the value of N may be 1, 2 or 3.

[0036] 由于不同节数的电池的放电电压(单节电池为3.0V〜4.2V、两节电池为6.0V〜8.4V、三节电池为9.0V〜12.6V)不同,故本发明无论待充电电池是智能电池还是非智能电池,都可通过ADC采样电池电压的方式来确定其节数;若待充电电池为智能电池,则本发明还可以通过I2C总线读取电池信息来确定其节数;也就是说,对于非智能电池,本发明只有一种方式确定其节数,对于智能电池,本发明有两种方式确定其节数。 [0036] Since the discharge voltage of the battery of a different number of sections (single battery 3.0V~4.2V, two batteries of 6.0V~8.4V, three battery 9.0V~12.6V) different from the present invention, whether it be charged a smart battery cell or non-intelligent battery, which section can be determined by the number of sampled battery voltage ADC manner; smart battery if the battery to be charged, the present invention also can be read to determine the number of which battery information section through the I2C bus; that is, for non-intelligent battery, the present invention is only one way to determine the number of sections, for the intelligent battery, there are two ways the present invention determines the number of its sections.

[0037] 步骤S02:根据节数N,配置充电电压及最大充电电流; [0037] Step S02: The number of sections N, charging voltage and configured maximum charging current;

[0038] 当N=I,即为单节电池时,充电电压配置为4.2V,最大充电电流设置为IA ;当N=2,即为双节电池时,充电电压配置为8.4V,最大充电电流设置为IA ;当N=3,即为三节电池时,充电电压配置为12.6V,最大充电电流设置为IA ; [0038] When N = I, that is, when the single battery, the charging voltage configured to 4.2V, charging current is set to the maximum IA; When N = 2, that is, double the battery, the charging voltage configured to 8.4V, the maximum charging current is set IA; if N = 3, that is when the three batteries, the charging voltage configured to 12.6V, the charging current is set to the maximum IA;

[0039] 步骤S03:充电电压及最大充电电流配置成功后,即开始为电池充电。 [0039] Step S03: After the charging voltage and maximum charging current configuration is successful, i.e. begin charging the battery.

[0040] 如图2所示,是本发明自适应充电器的原理框图,包括输入保护单元01、MCU供电单元02、分压单元03、MCU04、充电单元05、电池模组单元06以及状态指示单元07,其中[0041 ] 输入保护单元OI,用于为充电器提供前端输入过压过流保护以及抑制电源的中低 [0040] FIG. 2, the present invention is a functional block diagram of an adaptive charger, comprising an input protection unit 01, MCU power supply unit 02, dividing unit 03, MCU04, the charging unit 05, the battery unit 06 and status indication module unit 07, wherein [0041] the OI input protection unit, to provide a front end for the low overvoltage and overcurrent protection for the charger input power and suppression of

频噪声; Frequency noise;

[0042] 如图3所示,是图2中输入保护单元01优选实施例的电路原理图,包括静电保护管CR1、肖特基二极管D1、自恢复保险丝Fl以及由电容C1、C2,电感LI组成的π型滤波器;DU Fl及Ji型滤波器依次连接,CRl 一端与D正极连接,一端接地;CR1用于防止静电对电路的损坏;D1用于对电路进行反向保护;F1用于防止大电流对电路的损坏,具有过流过热保护,自动恢复功能;η型滤波器用于减少输入的交流分量和中低频噪声。 [0042] As shown in FIG. 3, FIG. 2 is an input protection unit 01 preferably schematic circuit diagram of an embodiment includes electrostatic protection tube CR1, Schottky diode D1, the resettable fuse Fl and capacitor C1, C2, inductor LI π type filter composed; DU Fl Ji filter and successively connected with one end of the positive electrode CRl D connector, an end of the ground; CRl to prevent electrostatic damage to the circuit; Dl for reverse circuit protection; Fl for preventing current from damaging the circuit, overcurrent overheat protection, automatic recovery function; [eta] filter and the AC component for reducing low frequency noise in the input.

[0043] MCU供电单元02,用于将输入保护单元01输出的电压转换成MCU04的工作电压,为MCU04供电; [0043] MCU 02 power supply unit, for the protection unit 01 outputs the input voltage into the operating voltage MCU04, MCU04 of power;

[0044] 优选实施例中,MCU供电单元02采用XC6216系列的LDO为MCU04供电,XC6216系列的LDO具有:闻精度,低噪声,可为MCU04提供良好的供电环境;且内置过流保护电路和热关断电路,为MCU04的安全提供良好的保障。 [0044] In a preferred embodiment, the MCU 02 uses the power supply unit is MCU04 XC6216 series power LDO, the LDO has XC6216 series: smell precision, low noise, power supply can provide a good environment for MCU04; overcurrent protection circuit and a built-in heat and shutdown circuit provides good protection for the safety of MCU04.

[0045] 分压单元03,用于将不同节数电池的电压分压到MCU04ADC采样的量程; [0045] The dividing unit 03, for the different number of battery voltages of the partial pressure range MCU04ADC samples;

[0046] 如图4所示,是图2中分压单元03优选实施例的电路原理图,包括分压电阻R1、R2以及电容C3,Rl 一端与电池模组单元06连接;R2与C3并联连接后,一端分别与Rl及MCU04连接,另一端接地;由于MCU04的工作电压为3.3V,而单节锂电池的放电电压为3V〜 [0046] As shown in FIG 4, FIG. 2 is preferably 03 unit partial pressure circuit diagram of an example of embodiment, comprising voltage dividing resistors R1, R2 and a capacitor C3, Rl one end connected to the battery module unit 06; R2 and C3 in parallel after the connection, are connected to one end of Rl and MCU04, the other end grounded; MCU04 since the operating voltage is 3.3V, and the discharge voltage of a single lithium battery 3V~

4.2V,两节锂电池的放电电压为6V〜8.4V,三节锂电池的放电电压为:9V〜12.6V,故其ADC采样得到的电压不能直接使用,本实施例令R1=30K,R2=10K, C3=0.1 μ F,对采样电压进行分压量化,单节锂电池的放电电压为3V〜4.2V,经分压单元03分压后,得到的量化电压为0.75〜1.05V ;两节锂电池的放电电压为6V〜8.4V,经分压单元03分压后,得到的量化电压为1.5〜2.1V ;三节锂电池的放电电压为:9V〜12.6V,经分压单元03分压后,得到的量化电压为2.25〜3.15V ;分压量化后的采样电压均在MCU04的工作电压范围内,MCU04即可根据采样得到的量化电压范围,判断待充电电池的节数。 4.2V, discharge voltage of lithium batteries is two 6V~8.4V, three discharge voltage of lithium battery: 9V~12.6V, so the ADC sampled voltage can not be directly used, this embodiment makes R1 = 30K, R2 = 10K, C3 = 0.1 μ F, the sampled voltage is divided quantization, the discharge voltage of a single lithium battery 3V~4.2V, after dividing dividing unit 03, the quantized voltage is obtained 0.75~1.05V; two the discharge voltage of lithium batteries is 6V~8.4V, after dividing dividing unit 03, the quantized voltage is obtained 1.5~2.1V; three discharge voltage of lithium battery: 9V~12.6V, dividing unit 03 by dividing after quantization of the voltage obtained 2.25~3.15V; sampling voltage obtained by dividing the quantization are within the operating voltage range of MCU04, MCU04 quantized according to the sampled voltage range, determining the number of sections of the battery to be charged.

[0047] MCU04,用于通过ADC采样电池电压的方式确定待充电电池的节数,或者在待充电电池为智能电池时,还可通过I2C总线读取电池的ID信息来确定其节数;根据上述节数,控制充电单元05的充电电压及最大充电电流并控制充电单元05的使能;以及根据充电单元05反馈的电池充电状态,控制状态指示单元07的显示状态; [0047] MCU04, the number of sections for determining the battery to be charged by way of ADC samples the battery voltage or the battery to be charged is a smart battery, the number of sections which may be determined by reading the I2C bus ID information of the battery; according It said digital section 05 controls the charging voltage and maximum charging current and the charging unit controls the charging unit 05 is enabled; according to battery state of charge and the charging unit 05 feedback controls the display state of the state indicating unit 07;

[0048] 优选实施例中,MCU04采用飞思卡尔Cortex-MO+系列超低功耗单片机,其具有12bit的ADC,能提供0.8mV的电压采样精度,可对待充电电池进行电压采样,以确定电池节数; [0048] In a preferred embodiment, MCU04 Freescale Cortex-MO + series of ultra-low power microcontrollers, having ADC 12bit, and can provide a voltage 0.8mV sampling accuracy, can be treated rechargeable battery voltage is sampled to determine the battery section number;

[0049] 充电单元05,用于为待充电电池充电,并将电池的充电状态反馈给MCU04 ; [0049] The charging unit 05 for charging the battery to be charged, and the state of charge of the battery back to MCU04;

[0050] 优选实施例中,充电单元05采用TI (德州仪器)公司型号为BQ24133的锂电池充电芯片,该芯片适用于单节,双节,三节锂电池充电,具有过流、过压欠压保护功能。 [0050] In a preferred embodiment, the charging unit 05 uses TI (Texas Instruments) Corporation Model BQ24133 lithium battery charging chip, the chip for single, double, three rechargeable lithium batteries, over-current, over-voltage Protective function.

[0051] 电池模组单元06,用来放置待充电电池; [0051] The battery module unit 06, to place the battery to be charged;

[0052] 状态指示单元07,用来提示充电状态; [0052] The state indicating unit 07, for prompting the state of charge;

[0053] 如图5所示,是图2中状态指示单元07优选实施例的电路原理图,包括限流电阻R3、R4,红色发光二极管D3、绿色发光二极管D2 ;D3 一端与R4连接,一端与MCU04连接;D2一端与R3连接,一端与MCU04连接;MCU通过IO端口控制D2、D3发光,从而指示不同状态,比如充电中令D2常亮,充满电时令D3常亮,异常报警时令D3闪亮。 [0053] As shown in FIG 5 is a circuit diagram of the embodiment in FIG. 2 preferred embodiment the state indicating unit 07, comprising a current limiting resistor R3, R4, red light emitting diodes D3, green light emitting diode D2; D3 R4 is connected at one end to one end of connected MCU04; D2 R3 is connected at one end to one end of the connection MCU04; IO port control through the MCU D2, D3 emits light, thereby indicating a different state, such as the charging order Always D2, D3 full power steady seasonal, seasonal abnormality alarm flash D3 bright. [0054] 上述说明示出并描述了本发明的优选实施例,但如前所述,应当理解本发明并非局限于本文所披露的形式,不应看作是对其他实施例的排除,而可用于各种其他组合、修改和环境,并能够在本文所述发明构想范围内,通过上述教导或相关领域的技术或知识进行改动。 [0054] The above description of the embodiments illustrated and described preferred embodiments of the present invention, as previously discussed, it should be understood that the invention is not limited to the form disclosed herein should not be considered as excluding other embodiments, the available in various other combinations, modifications, and environments, and can be within the scope of the invention contemplated herein, or make changes to the above teachings in skill or knowledge of the relevant art. 而本领域人员所进行的改动和变化不脱离本发明的精神和范围,则都应在本发明所附权利要求的保护范围内。 The modifications and variations carried out by the skilled person without departing from the spirit and scope of the invention shall fall within the scope of the appended claims of the invention.

Claims (10)

  1. 1.一种自适应充电方法,其特征在于,所述方法包括: 确定待充电电池的节数; 根据所述节数,配置充电电压及最大充电电流; 为所述电池充电。 An adaptive charging method, characterized in that the method comprises: determining a number of sections of the battery to be charged; according to the number of sections, arranged charging current and the maximum charging voltage; charge the battery.
  2. 2.如权利要求1所述的方法,其特征在于,所述方法通过模数变换器ADC采样待充电电池电压的方式确定待充电电池的节数。 2. The method according to claim 1, characterized in that the sampling method the number of sections to be charged to the battery voltage of the battery to be charged is determined manner by the analog to digital converter ADC.
  3. 3.如权利要求1所述的方法,其特征在于,若所述待充电电池为智能电池,则所述方法通过I2C总线读取所述待充电电池的信息来确定待充电电池的节数。 The method according to claim 1, wherein, if the battery to be charged for the intelligent battery, the method reads the information of the battery to be charged is determined by the number of sections of the battery to be charged via the I2C bus.
  4. 4.如权利要求3所述方法,其特征在于,所述电池的节数为单节、双节或三节。 4. The method as claimed in claim 3, wherein the number of sections is a single cell, dual or triple.
  5. 5.如权利要求4所述的方法,其特征在于, 若所述电池的节数为单节,则其充电电压4.2V、最大充电电流为IA ; 若所述电池的节数为双节,则其充电电压8.4V、最大充电电流为IA ; 若所述电池的节数为单节,则其充电电压12.6V、最大充电电流为1A。 5. The method according to claim 4, wherein, if the section number is a single battery, the charging voltage is 4.2V, the maximum charging current IA; if the section number is double the battery, it charging voltage 8.4V, the maximum charging current IA; if the section number is a single battery, the charging voltage is 12.6V, the maximum charging current to 1A.
  6. 6.一种自适应充电器,包括输入保护单元,用于为充电器提供前端输入过压过流保护以及抑制电源的中低频噪声;电池模组单元,用于放置待充电电池;充电单元,用于为待充电电池充电;其特征在于,所述充电器还包括微控制单元MCU及MCU供电单元,所述MCU,用于确定待充电电池的节数;以及根据所述节数,控制所述充电单元的充电电压及最大充电电流; MCU供电单元,用于将所述输入保护单元输出的电压转换成所述MCU的工作电压,为所述MCU供电。 An adaptive charger comprises an input protection unit, for providing a charger for the front-end input overvoltage and overcurrent protection and suppression of low frequency noise in the power supply; battery module unit for placing the battery to be charged; a charging unit, for charging the battery to be charged; characterized in that said charger further comprising a micro control unit (MCU) and a power supply unit MCU, the MCU, the number of sections for determining the battery to be charged; and according to the number of sections, the control said charging unit charging voltage and maximum charging current; MCU supply unit for converting the input voltage to a protection unit of the MCU outputs an operating voltage for the MCU.
  7. 7.如权利要求6所述的充电器,其特征在于,所述MCU,用于通过ADC采样待充电电池电压的方式确定待充电电池的节数;或者在待充电电池为智能电池时,通过I2C总线读取电池的信息来确定电池的节数。 7. The charger according to claim 6, wherein the MCU, the number of sections to be charged by an ADC sampling the battery voltage of the battery to be charged is determined manner; or battery to be charged when the smart battery, by I2C bus information read section determines the number of battery cells.
  8. 8.如权利要求6或7所述的充电器,其特征在于,所述充电器还包括分压单元和状态指示电路单元,所述分压单元,用于将不同节数电池的电压分压到所述MCU ADC采样的量程; 状态指示单元,用于来提示充电状态。 8. The charger of claim 6 or claim 7, characterized in that said charger further comprises voltage dividing unit and a status indication circuit means, said voltage dividing means, for the number of battery voltages of different partial pressure to the MCU ADC sampling range; state indicating unit configured to prompt the state of charge.
  9. 9.如权利要求6所述的充电器,其特征在于, 所述充电单元为锂电池充电芯片; 所述MCU供电单元为低压差线性稳压器LDO。 9. The battery charger according to claim 6, wherein the charging unit is a lithium battery chip; the power supply unit MCU as low-dropout linear regulator LDO.
  10. 10.如权利要求8所示的充电器,其特征在于, 所述充电单元,用于将电池的充电状态反馈给所述MCU ; 所述MCU,用于根据所述充电单元反馈的电池充电状态,控制所述状态指示单元的显示状态。 10. A charger as claimed in claim 8, characterized in that the charging unit for charging back to the state of the battery the MCU; the MCU, a state of charge of the battery cells based on the charging feedback controlling the state indicating unit of the display state.
CN 201310656798 2013-12-06 2013-12-06 Self-adaption charging method and charger CN103618361A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4639655A (en) * 1984-04-19 1987-01-27 Westhaver Lawrence A Method and apparatus for battery charging
CN101499674A (en) * 2008-01-28 2009-08-05 日立工机株式会社 Charging system for charging battery pack
CN201570884U (en) * 2009-07-17 2010-09-01 杨龙兴;王文学 Pulse charger

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4639655A (en) * 1984-04-19 1987-01-27 Westhaver Lawrence A Method and apparatus for battery charging
CN101499674A (en) * 2008-01-28 2009-08-05 日立工机株式会社 Charging system for charging battery pack
CN201570884U (en) * 2009-07-17 2010-09-01 杨龙兴;王文学 Pulse charger

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