WO2015154418A1 - 一种充电方法和装置 - Google Patents
一种充电方法和装置 Download PDFInfo
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- WO2015154418A1 WO2015154418A1 PCT/CN2014/088987 CN2014088987W WO2015154418A1 WO 2015154418 A1 WO2015154418 A1 WO 2015154418A1 CN 2014088987 W CN2014088987 W CN 2014088987W WO 2015154418 A1 WO2015154418 A1 WO 2015154418A1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
Definitions
- the present invention relates to charging technology, and more particularly to a charging method and apparatus.
- the specification of the charging end is required to match the capacity of the battery of the terminal, for example, a battery having a capacity of 2000 mAh.
- the rated output current is 700mA or 1000mA.
- a battery with a capacity of 3000mAh usually corresponds to a charging terminal with a rated output current of 1.5A.
- a battery with a capacity greater than or equal to 5000mAh usually corresponds to a rated output current of 2.1.
- the charging terminal of A; on the other hand, the output current of the charging terminal is required to be greater than or equal to the charging current threshold of the terminal, that is, the rated charging current.
- the terminal Since the terminal is widely used in all aspects of life, it is highly likely that the terminal user will use multiple terminals at the same time. Thus, when the user wants to charge a terminal, it is likely that the charging terminal of the other terminal is used to charge the terminal. In this case, if the output current of the charging terminal is less than the charging current threshold of the terminal, the charging terminal will always be in an overload state, that is, in an unsafe charging state, and the safe and effective charging cannot be ensured, which may easily cause abnormal heat or even burn.
- the embodiment of the invention provides a charging method and device, which can adjust the charging current of the terminal by detecting the output current of the charging end, thereby ensuring safe and effective charging.
- an embodiment of the invention discloses a charging method, comprising:
- the terminal When the terminal is connected to the charging end, the terminal detects the output current of the charging end;
- the charging current of the terminal is adjusted to the set charging current value, and charging is started.
- the method before the setting the charging current value to the first threshold, before the charging current of the adjusting terminal is the set charging current value, the method further includes:
- the terminal compares the first threshold value with each current value in the preset current value group, and determines that a maximum current value among the values less than or equal to the first threshold value is a second threshold value; setting the charging current to the first Two thresholds.
- each current value in the current value group is sorted from small to large, and the comparison sequentially compares the first threshold and each current value in the current value group in an order from small to large.
- the current value set includes at least a rated output current of a common charging terminal.
- the charging method further includes: prompting that the output current of the charging end does not match the rated charging current value of the terminal, and asking whether to set the charging current;
- the third threshold value carried in the external command is obtained, and it is determined whether the third threshold is less than the charging current value; when the determination result is less than, the charging current is set.
- the value is the third threshold.
- an embodiment of the invention discloses a charging device, which comprises a current detecting unit, a current calculating unit and a current adjusting unit, wherein
- a current detecting unit configured to detect an output current of the charging end when the terminal is connected to the charging end
- the current calculation unit is configured to determine whether the detected output current from the current detecting unit is less than a rated charging current value of the terminal, and when the determination result is less than, calculate a product of the detected output current value and a preset proportional parameter.
- the obtained product is a first threshold; wherein the proportional parameter is a percentage less than 1; the charging current value is set to the first threshold;
- the current adjustment unit is configured to adjust the charging current of the terminal to the set charging current value, and start charging.
- the current calculation unit is further configured to: respectively compare the first threshold with each current value in the preset current value group, and determine that a maximum current value of the value less than or equal to the first threshold is a second threshold. Setting the charging current value to the second threshold.
- the current calculation unit is further configured to compare the first threshold and the current value group in order from small to large when each current value in the preset current value group is sorted from small to large.
- Each of the current values in the current value determines that a maximum current value of the value less than or equal to the first threshold is a second threshold; and the charging current value is set to the second threshold.
- the current value set includes at least a rated output current of a common charging terminal.
- the device further includes a human-machine interaction unit, configured to prompt the output current of the charging end to not match the charging current threshold of the terminal, and query whether to set the charging current; when the external command received by the terminal is set And acquiring a third threshold carried in the external command, and determining whether the third threshold is less than the charging current value; when the determining result is less than, setting the charging current value to the third threshold.
- a human-machine interaction unit configured to prompt the output current of the charging end to not match the charging current threshold of the terminal, and query whether to set the charging current; when the external command received by the terminal is set And acquiring a third threshold carried in the external command, and determining whether the third threshold is less than the charging current value; when the determining result is less than, setting the charging current value to the third threshold.
- Embodiments of the present invention also provide a computer program and a carrier thereof, the computer program comprising program instructions that, when executed by a terminal device, cause the terminal device to perform the charging method.
- the technical solution of the embodiment of the present invention includes: when the terminal is connected to the charging end, the terminal detects the output current of the charging end; and determines whether the detected output current value is less than the charging current threshold, and if the determination result is less than Calculating the product of the detected output current value and a preset proportional parameter, and the obtained product value is a first threshold; wherein, the charging current threshold is a rated charging current of the terminal, and the proportional parameter is a percentage less than 1; adjusting the charging current adjustment value To calculate the first threshold; adjust the charging current of the terminal to the charging current adjustment value, and start charging.
- the technical solution of the embodiment of the present invention adjusts the charging current of the terminal by detecting the output current of the charging end, thereby avoiding abnormal heating or even burning of the charging end, thereby ensuring safe and efficient charging of the charging end.
- FIG. 1 is a flow chart of a charging method according to an embodiment of the present invention.
- FIG. 2 is a schematic view showing the structure of a charging device according to an embodiment of the present invention.
- FIG. 1 is a flowchart of a charging method according to an embodiment of the present invention. As shown in FIG. 1 , the method includes the following steps:
- Step 101 When the terminal is connected to the charging end, the terminal detects the output current of the charging end.
- the method of the embodiment of the present invention presets a charging current threshold, and the charging current threshold is a rated charging current value of the terminal.
- Step 102 Determine whether the detected output current value is smaller than the charging current threshold. If the determination result is less than, calculate a product of the detected output current value and a preset proportional parameter, and the obtained product is the first threshold; adjust the charging current value. The first threshold calculated.
- the proportional parameter is a percentage less than 1. In one embodiment of the invention, the proportional parameter may be 80%.
- the output current value of the charging terminal is smaller than the charging current threshold of the terminal, indicating that the charging terminal is overloaded. It is clear to those skilled in the art that when the charging terminal is overloaded, the output current of the charging terminal is usually between 100% and 120% of the rated output current of the charging terminal. Therefore, when the charging terminal is overloaded, the output current value and the proportional parameter less than 1 are used in this step. The product is taken as the first threshold, and the charging current value is adjusted to the calculated first threshold. Thus, when the proportional parameter is set to a suitable value such as 80%, the charging current value is guaranteed to be smaller than the rated output current of the charging terminal.
- Step 103 Adjust the charging current of the terminal to the charging current value, and start charging.
- step 102 the charging current value is smaller than the rated output current of the charging end, so that when the terminal is charged with the charging current value of the charging current value as the first threshold value, the charging terminal is ensured to be safely charged.
- step 102 Before step 102, if it is determined that the detected output current value is greater than or equal to the charging current threshold of the terminal, step 102 is skipped. In this case, the terminal charges according to the normal output current of the charging terminal.
- the method of the embodiment of the present invention may further include:
- Step 1021 The terminal compares each current value in the first threshold value and the preset current value group, and determines that the largest current value among the values less than or equal to the first threshold value is the second threshold value; adjusting the charging current value to determine the second value. Threshold.
- the proportional parameter may be 90%
- the current value group includes at least the rated output current value of the common charging terminal.
- the current value set includes at least 500 mA, 700 mA, 1 A, 1.5 A, and 2.1 A.
- the comparison in this step sequentially compares the current values in the first threshold and the current value group in order from small to large.
- the second threshold is less than or equal to the first threshold, and the first threshold is smaller than the output current of the charging terminal, that is, the second threshold is smaller than the output current.
- the charging current value is the rated output current value of the charging terminal, it can be seen from the above description that the charging current value is likely to be the rated output current of the charging terminal being used, thus ensuring the charging end. Effective charging.
- the method of the embodiment of the present invention may further include the following steps:
- Step 104 Prompt that the output current of the charging end does not match the charging current threshold of the terminal, and ask whether the charging current is set.
- the prompts and inquiries in this step can be implemented by means of human-computer interaction known to those skilled in the art.
- Step 105 If the external command received by the terminal is set, the third threshold value carried in the external command is obtained, and it is determined whether the third threshold is less than the charging current adjustment value; if the determination result is less than, the charging current value is adjusted to be the third value.
- a threshold adjusting the charging current to the third threshold.
- outside The instructions can be the user's choice.
- the third threshold is less than the second threshold, it can be seen from the above analysis that the third threshold is smaller than the output current of the charging terminal, so that the terminal charges the current with the charging current value as the third threshold, thereby ensuring safe charging of the charging terminal.
- the user can set the charging current of the terminal according to the specification of the charging end, which increases the flexibility of the method of the embodiment of the invention and the controllability of the user.
- step 105 if the external command is set to abandon, then step 105 is skipped. In this case, the terminal prompts that the set charging current is invalid and charges according to the current whose charging current is the second threshold.
- FIG. 2 is a schematic structural diagram of adjusting a charging current according to an embodiment of the present invention, where the apparatus of the embodiment of the present invention is located in a terminal.
- the charging current threshold is preset in the apparatus of the embodiment of the present invention.
- the apparatus of the embodiment of the present invention includes a current detecting unit, a current calculating unit, and a current adjusting unit, and the current calculating unit includes a current calculating module and a current comparing module. ,among them,
- a current detecting unit configured to detect an output current of the charging end when the terminal is connected to the charging end
- the current calculation unit is configured to determine whether the detected output current from the current detecting unit is smaller than a charging current threshold, and if the determination result is less than, calculate a product of the detected output current value and a preset proportional parameter, and the obtained product is a first threshold; wherein, the charging current threshold is a rated charging current of the terminal, the proportional parameter is a percentage less than 1; and the adjusted charging current value is a calculated first threshold;
- the current adjustment unit is configured to adjust the charging current of the terminal to the charging current value, and start charging.
- the current calculation unit is further configured to: compare the first threshold with each current value in the preset current value group, determine that the largest current value of the value less than or equal to the first threshold is the second threshold; and adjust the charging current.
- the value is the second threshold determined.
- the current value set includes at least a rated output current of a common charging terminal.
- the current calculation unit is further configured to compare the first threshold and the current value group in order from small to large when each current value in the preset current value group is sorted from small to large. And a current value, determining that a maximum current value of the value less than or equal to the first threshold is a second threshold; and adjusting the charging current value to the determined second threshold.
- the device of the embodiment of the present invention further includes a human-machine interaction unit, configured to prompt the output current of the charging end to not match the charging current threshold of the terminal, and query whether to set the charging current; if the external command received by the terminal is set, the external is obtained. And a third threshold value carried in the instruction, and determining whether the third threshold is smaller than the charging current adjustment value; if the determination result is less than, adjusting the charging current value to the third threshold.
- a human-machine interaction unit configured to prompt the output current of the charging end to not match the charging current threshold of the terminal, and query whether to set the charging current; if the external command received by the terminal is set, the external is obtained.
- a third threshold value carried in the instruction and determining whether the third threshold is smaller than the charging current adjustment value; if the determination result is less than, adjusting the charging current value to the third threshold.
- Embodiments of the present invention also provide a computer program and a carrier thereof, the computer program comprising program instructions that, when executed by a terminal device, cause the terminal device to perform the charging method.
Abstract
一种充电方法和装置，包括当终端与充电端连接时，终端检测充电端的输出电流；判断检测出的输出电流值是否小于充电电流阈值，如果判断结果为小于，计算检测出的输出电流值与预先设置的比例参数的乘积，所得的乘积值为第一阈值；其中，充电电流阈值为终端的额定充电电流，比例参数为小于1的百分数；调整充电电流调整值为计算出的第一阈值；调整终端的充电电流为充电电流调整值，并开始充电。通过检测充电端的输出电流，相应地调整终端的充电电流，可以避免充电端异常发热甚至烧毁，保证充电端安全有效地充电。
Description
本发明涉及充电技术，尤其涉及一种充电方法和装置。
当电池供电的终端，例如，移动终端、智能终端等，需要使用充电端进行充电时，为了安全有效地充电，一方面，要求充电端的规格匹配终端的电池的容量，比如，容量为2000mAh的电池通常对应额定输出电流为700mA或者1000mA的充电端，再如，容量为3000mAh的电池通常对应额定输出电流为1.5A的充电端，又如，容量大于或等于5000mAh的电池通常对应额定输出电流为2.1A的充电端；另一方面，要求充电端的输出电流大于或等于终端的充电电流阈值即额定充电电流。
由于终端广泛应用于生活各方面，因此对于终端用户而言，很可能同时使用多个终端。这样，当用户要给一个终端充电时，很可能出现错误使用其它终端的充电端给该终端充电的情况。在这种情况下，如果充电端的输出电流小于终端的充电电流阈值，将使充电端一直处于过载状态即处于不安全充电状态，无法保证安全有效充电，极易导致其异常发热甚至烧毁。
发明内容
本发明实施例提供了一种充电方法和装置，能够通过检测充电端的输出电流，相应地调整终端的充电电流，从而保证安全有效充电。
根据本发明的一个方面，本发明实施例公开了一种充电方法，包括：
当终端与充电端连接时，终端检测充电端的输出电流；
判断检测出的输出电流值是否小于所述终端的额定充电电流值，当判断结果为小于时，计算检测出的输出电流值与预先设置的比例参数的乘积，所得的乘积为第一阈值；其中，比例参数为小于1的百分数；
设置充电电流值为所述第一阈值；
调整终端的充电电流为所述设置的充电电流值，并开始充电。
可选地，在所述设置充电电流值为所述第一阈值之后、所述调整终端的充电电流为所述设置的充电电流值之前，还包括：
所述终端分别比较所述第一阈值与预先设置的电流值组中各电流值，确定小于或等于第一阈值的数值中最大的电流值为第二阈值；设置所述充电电流为所述第二阈值。
可选地，所述电流值组中的各电流值从小到大排序，所述比较为按照从小到大的顺序依次比较所述第一阈值与所述电流值组中的各电流值。
可选地，所述电流值组至少包括常见充电端的额定输出电流。
可选地，所述充电方法还包括：提示充电端的输出电流与所述终端的额定充电电流值不匹配，并询问是否设定充电电流；
当所述终端收到的外部指令为设置时，则获取外部指令中携带的第三阈值，并判断所述第三阈值是否小于所述充电电流值；当判断结果是小于时，则设置充电电流值为所述第三阈值。
根据本发明的一个方面，本发明实施例公开了一种充电装置，该装置包括电流检测单元、电流计算单元和电流调整单元，其中，
电流检测单元，设置为当终端与充电端连接时，终端检测充电端的输出电流；
电流计算单元，设置为判断来自电流检测单元的检测出的输出电流是否小于所述终端的额定充电电流值，当判断结果为小于时，计算检测出的输出电流值与预先设置的比例参数的乘积，所得的乘积为第一阈值；其中，比例参数为小于1的百分数；设置充电电流值为所述第一阈值；
电流调整单元，设置为调整终端的充电电流为所述设置的充电电流值，并开始充电。
可选地，所述电流计算单元还设置为：分别比较所述第一阈值与预先设置的电流值组中各电流值，确定小于或等于第一阈值的数值中最大的电流值为第二阈值；设置所述充电电流值为所述第二阈值。
可选地，所述电流计算单元还设置为：当预先设置的电流值组中的各电流值从小到大排序时，按照从小到大的顺序依次比较所述第一阈值与所述电流值组中的各电流值，确定小于或等于第一阈值的数值中最大的电流值为第二阈值；设置所述充电电流值为所述第二阈值。
可选地，所述电流值组至少包括常见充电端的额定输出电流。
可选地，所述装置还包括人机交互单元，设置为提示充电端的输出电流与终端的充电电流阈值不匹配，并询问是否设定充电电流；当所述终端收到的外部指令为设置时，则获取外部指令中携带的第三阈值，并判断第三阈值是否小于所述充电电流值；当判断结果为小于时，则设置所述充电电流值为所述第三阈值。
本发明的实施例还提供一种计算机程序及其载体，所述计算机程序包括程序指令，当该程序指令被终端设备执行时，使得该终端设备可执行上述充电方法。
与现有技术相比，本发明实施例的技术方案包括：当终端与充电端连接时，终端检测充电端的输出电流；判断检测出的输出电流值是否小于充电电流阈值，如果判断结果为小于，计算检测出的输出电流值与预先设置的比例参数的乘积，所得的积值为第一阈值；其中，充电电流阈值为终端的额定充电电流，比例参数为小于1的百分数；调整充电电流调整值为计算出的第一阈值；调整终端的充电电流为充电电流调整值，并开始充电。本发明实施例的技术方案，通过检测充电端的输出电流，相应地调整终端的充电电流，从而避免了充电端异常发热甚至烧毁，保证了充电端安全有效地充电。
本发明的其它特征和优点将在随后的说明书中阐述，并且，部分地从说明书中变得显而易见，或者通过实施本发明而了解。本发明的目的和其他优点可通过在说明书、权利要求书以及附图中所特别指出的结构来实现和获得。
附图概述
图1为本发明实施例的充电方法的流程图；
图2为本发明实施例的充电装置的组成结构示意图。
本发明的较佳实施方式
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。
在附图的流程图示出的步骤可以在诸如一组计算机可执行指令的计算机系统中执行。并且，虽然在流程图中示出了逻辑顺序，但是在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤。
图1为本发明实施例的充电方法的流程图，如图1所示，包括如下步骤：
步骤101：当终端与充电端连接时，终端检测充电端的输出电流。
在本步骤之前，本发明实施例的方法预先设置充电电流阈值，所述充电电流阈值为所述终端的额定充电电流值。
其中，如何检测充电端的输出电流，为本领域技术人员的惯用技术手段，此处不再赘述。
步骤102：判断检测出的输出电流值是否小于充电电流阈值，如果判断结果为小于，计算检测出的输出电流值与预先设置的比例参数的乘积，所得的乘积为第一阈值；调整充电电流值为计算出的第一阈值。
其中，比例参数为小于1的百分数。在本发明一个实施例中，比例参数可以为80％。
充电端的输出电流值小于终端的充电电流阈值，说明充电端过载。本领域技术人员清楚的是，充电端过载时，充电端的输出电流通常处于充电端的额定输出电流的100％～120％之间，因此充电端过载时本步骤将输出电流值与小于1的比例参数的乘积作为第一阈值，并调整充电电流值为计算出的第一阈值。这样，当比例参数设置为合适值如80％时，保证了充电电流值小于充电端的额定输出电流。
步骤103：调整终端的充电电流为所述充电电流值，并开始充电。
由步骤102的说明可知，所述充电电流值小于充电端的额定输出电流，这样，终端以充电电流值为第一阈值的充电电流大小进行充电时，保证了充电端安全充电。
本步骤中终端调整充电电流为某个数值的具体实现是本领域技术人员公知的，不用于限制本发明的保护范围，此处不再赘述。
在步骤102之前，如果判断出检测出的输出电流值大于或等于终端的充电电流阈值，则跳过步骤102。这种情况下，终端按照充电端的正常输出电流进行充电。
可选地，步骤102之后，步骤103之前，本发明实施例方法还可以包括：
步骤1021：终端分别比较第一阈值与预先设置的电流值组中各电流值，确定小于或等于第一阈值的数值中最大的电流值为第二阈值；调整充电电流值为确定出的第二阈值。
可选地，当本发明方法包括步骤1021时，比例参数可以为90％，电流值组至少包括常见充电端的额定输出电流值。在本发明的一个实施例中，电流值组至少包括500mA、700mA、1A、1.5A和2.1A。
可选地，当电流值组中的各电流值从小到大排序时，本步骤中的比较为按照从小到大的顺序依次比较第一阈值与电流值组中的各电流值。
通过上述分析不难看出，本步骤中，第二阈值小于或等于第一阈值，第一阈值小于充电端的输出电流，也即是说，第二阈值小于输出电流。这样，终端以第二阈值的充电电流值进行充电时，保证了充电端安全充电。另外，在优选实施例中，由于充电电流值为一种充电端的额定输出电流值，通过上面的说明可知，所述充电电流值很可能为正在使用的充电端的额定输出电流，这样保证了充电端有效充电。
可选地，步骤103之后，本发明实施例的方法还可以包括如下步骤：
步骤104：提示充电端的输出电流与终端的充电电流阈值不匹配，并询问是否设定充电电流。
可以通过本领域技术人员公知的人机交互的方式实现本步骤中提示和询问。
步骤105：如果终端收到的外部指令为设置，则获取外部指令中携带的第三阈值，并判断第三阈值是否小于充电电流调整值；如果判断结果是小于，则调整充电电流值为第三阈值；调整充电电流为所述第三阈值。其中，外部
指令可以为用户的选择。
如果第三阈值小于第二阈值，通过上面的分析可知，第三阈值小于充电端的输出电流，这样，终端以充电电流值为第三阈值的电流进行充电，保证了充电端安全充电。
通过增加的步骤104和105，使得用户可以根据充电端的规格设置终端的充电电流，增加了本发明实施例的方法的灵活性和用户的控制性。
在步骤105之前，如果外部指令为放弃即不设定，则跳过步骤105。在这种情况下，终端提示设定的充电电流无效，并按照充电电流为第二阈值的电流进行充电。
图2为本发明实施例的调整充电电流的组成结构示意图，本发明实施例的装置位于终端中。在本发明实施例的装置中预先设置充电电流阈值，如图2所示，本发明实施例的装置包括电流检测单元、电流计算单元和电流调整单元，电流计算单元包括电流计算模块和电流比较模块，其中，
电流检测单元，设置为当终端与充电端连接时，终端检测充电端的输出电流；
电流计算单元，设置为判断来自电流检测单元的检测出的输出电流是否小于充电电流阈值，如果判断结果为小于，则计算检测出的输出电流值与预先设置的比例参数的乘积，所得的乘积为第一阈值；其中，充电电流阈值为终端的额定充电电流，比例参数为小于1的百分数；调整充电电流值为计算出的第一阈值；
电流调整单元，设置为调整终端的充电电流为所述充电电流值，并开始充电。
可选地，电流计算单元还设置为：分别比较第一阈值与预先设置的电流值组中各电流值，确定小于或等于第一阈值的数值中最大的电流值为第二阈值；调整充电电流值为确定出的第二阈值。
可选地，电流值组至少包括常见充电端的额定输出电流。
可选地，电流计算单元还设置为：当预先设置的电流值组中的各电流值从小到大排序时，按照从小到大的顺序依次比较第一阈值与电流值组中的各
电流值，确定小于或等于第一阈值的数值中最大的电流值为第二阈值；调整充电电流值为确定出的第二阈值。
本发明实施例的装置还包括人机交互单元，设置为提示充电端的输出电流与终端的充电电流阈值不匹配，并询问是否设定充电电流；如果终端收到的外部指令为设置，则获取外部指令中携带的第三阈值，并判断第三阈值是否小于充电电流调整值；如果判断结果为小于，则调整充电电流值为第三阈值。
本发明的实施例还提供一种计算机程序及其载体，所述计算机程序包括程序指令，当该程序指令被终端设备执行时，使得该终端设备可执行上述充电方法。
需要说明的是，如果不冲突，本发明实施例以及实施例中的各个特征可以相互结合，均在本发明的保护范围之内。另外，虽然在流程图中示出了逻辑顺序，但是在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤。
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，也可以采用软件功能模块的形式实现。本发明不限制于任何特定形式的硬件和软件的结合。
当然，本发明还可有其他多种实施例，在不背离本发明精神及其实质的情况下，熟悉本领域的技术人员当可根据本发明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发明的权利要求的保护范围。
工业实用性
本发明提供的技术方案，通过检测充电端的输出电流，相应地调整终端的充电电流，可以避免充电端异常发热甚至烧毁，保证充电端安全有效地充电。
Claims (12)
- 一种充电方法，包括：当终端与充电端连接时，终端检测充电端的输出电流；判断检测出的输出电流值是否小于所述终端的额定充电电流值，当判断结果为小于时，计算检测出的输出电流值与预先设置的比例参数的乘积，所得的乘积为第一阈值；其中，比例参数为小于1的百分数；设置充电电流值为所述第一阈值；调整终端的充电电流为所述设置的充电电流值，并开始充电。
- 根据权利要求1所述的充电方法，在所述设置充电电流值为所述第一阈值之后、所述调整终端的充电电流为所述设置的充电电流值之前，该方法还包括：所述终端分别比较所述第一阈值与预先设置的电流值组中各电流值，确定小于或等于第一阈值的数值中最大的电流值为第二阈值；设置所述充电电流值为所述第二阈值。
- 根据权利要求2所述的充电方法，其中，所述电流值组中的各电流值从小到大排序；所述比较为按照从小到大的顺序依次比较所述第一阈值与所述电流值组中的各电流值。
- 根据权利要求2所述的充电方法，其中，所述电流值组至少包括常见充电端的额定输出电流。
- 根据权利要求1～4任一项所述的充电方法，还包括：提示充电端的输出电流与所述终端的额定充电电流值不匹配，并询问是否设置充电电流；当所述终端收到的外部指令为设置时，则获取外部指令中携带的第三阈值，并判断所述第三阈值是否小于所述充电电流值；当判断结果是小于时，设置充电电流值为所述第三阈值。
- 一种充电装置，包括：电流检测单元、电流计算单元和电流调整单元，其中，电流检测单元，设置为当终端与充电端连接时，终端检测充电端的输出电流；电流计算单元，设置为判断来自电流检测单元的检测出的输出电流是否小于所述终端的额定充电电流值，当判断结果为小于时，计算检测出的输出电流值与预先设置的比例参数的乘积，所得的乘积为第一阈值；其中，比例参数为小于1的百分数；设置充电电流值为所述第一阈值；电流调整单元，设置为调整终端的充电电流为所述设置的充电电流值，并开始充电。
- 根据权利要求6所述的充电装置，其中，所述电流计算单元还设置为：分别比较所述第一阈值与预先设置的电流值组中各电流值，确定小于或等于第一阈值的数值中最大的电流值为第二阈值；设置所述充电电流值为所述第二阈值。
- 根据权利要求6所述的充电装置，其中，所述电流计算单元还设置为：当预先设置的电流值组中的各电流值从小到大排序时，按照从小到大的顺序依次比较所述第一阈值与所述电流值组中的各电流值，确定小于或等于第一阈值的数值中最大的电流值为第二阈值；设置所述充电电流值为所述第二阈值。
- 根据权利要求7所述的充电装置，其中，所述电流值组至少包括常见充电端的额定输出电流。
- 根据权利要求6～9任一项所述的充电装置，还包括人机交互单元，设置为：提示充电端的输出电流与终端的额定充电电流值不匹配，并询问是否设置充电电流；当所述终端收到的外部指令为设置时，则获取外部指令中携带的第三阈值，并判断第三阈值是否小于所述充电电流调整值；当判断结果为小于时，设置所述充电电流值为所述第三阈值。
- 一种计算机程序，包括程序指令，当该程序指令被终端设备执行时， 使得该终端设备可执行权利要求1-5任一项的方法。
- 一种载有权利要求11所述计算机程序的载体。
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| CN102185168A (zh) * | 2011-03-30 | 2011-09-14 | 惠州Tcl移动通信有限公司 | 充电系统及其充电方法 |
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| CN102122739A (zh) * | 2010-12-29 | 2011-07-13 | 华为终端有限公司 | 充电方法和用户设备 |
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