WO2018000432A1 - 基于type-c接口的可稳定实现大电流充电的充电方法 - Google Patents

基于type-c接口的可稳定实现大电流充电的充电方法 Download PDF

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Publication number
WO2018000432A1
WO2018000432A1 PCT/CN2016/088226 CN2016088226W WO2018000432A1 WO 2018000432 A1 WO2018000432 A1 WO 2018000432A1 CN 2016088226 W CN2016088226 W CN 2016088226W WO 2018000432 A1 WO2018000432 A1 WO 2018000432A1
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charging
current
interface
type
next step
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PCT/CN2016/088226
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English (en)
French (fr)
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李�昊
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深圳维普创新科技有限公司
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Publication of WO2018000432A1 publication Critical patent/WO2018000432A1/zh

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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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • 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 invention relates to the field of charging circuits, in particular to a problem that can solve the problem that the charging system cannot work normally due to communication abnormality of TYPE_C relying on CC interface communication under the condition of large current charging.
  • a charging method based on the TYPE-C interface that can stably achieve high current charging.
  • TYPE_C interface gradually replaces the traditional USB2.0 interface, and under the development of fast charging technology, the charging speed is gradually increased, and the charging current becomes an inevitable trend of fast charging and charging technology.
  • the communication method of the Delivery (PD) protocol is the merit recognition method recommended by the International USB Alliance.
  • the communication of the CC line through the TYPE_C interface realizes the PD protocol to achieve high current charging.
  • the charging current is still below 3A.
  • the communication quality through the CC interface depends on the quality of the TYPC_C cable.
  • the quality of the TYPC_C cable in the stage market is uneven. If the cable quality is poor, high line resistance, high parasitic inductance, and high parasitic capacitance will cause the communication signal to drop frames. Therefore, the communication signals cannot be effectively exchanged, which leads to the adapter and The charging device is unable to exchange information, which limits the charging of the TYPE-C at high currents and other functional applications.
  • the object of the present invention is to provide a problem that can solve the problem that the charging system cannot work normally due to the communication abnormality of the TYPE_C relying on the CC interface communication under the condition of large current charging.
  • a charging method based on the TYPE-C interface that can stably achieve high current charging.
  • the invention is realized by the following technical measures, a charging method capable of stably implementing large current charging based on the TYPE-C interface, comprising the following steps :
  • the function control terminal samples the charging current and judges the charging. Whether the current is lower than the threshold, if it is lower than the threshold, then execute S3, otherwise perform the next step;
  • the adjustment circuit controls the charging current to decrease to a preset value, and performs the next step
  • the adjustment circuit controls the charging current to return to the original current for charging.
  • the function control terminal is a mobile terminal.
  • step S3 is: communicating with the adapter through the CC interface, and the adjustment module of the adapter completes the output state adjustment. Then proceed to the next step.
  • the function control terminal is an adapter.
  • step S3 is: The mobile terminal obtains current and voltage information from its own current-voltage detection module, communicates through the CC interface, and tells the adapter its own information state to perform the next step.
  • the function control terminal samples the charging current through the current and voltage detecting module.
  • the invention provides a method for realizing high current charging by using the TYPE-C interface.
  • the charging current is sampled to determine whether the charging current is lower than the threshold current, when higher than When the threshold current (current that causes the communication signal to drop frame) is reduced, the CC current is communicated after the charging current is reduced, thereby avoiding the charging current being higher than the threshold current when the cable quality is poor.
  • the problem of frame loss of communication signals caused by high line resistance, high parasitic inductance, and high parasitic capacitance is generated.
  • the invention solves the problem that the communication PD protocol of the TYPE_C relying on the CC interface communication causes the charging system to fail to work normally under the condition of large current charging. .
  • FIG. 1 is a flowchart of the operation of Embodiment 1 of the present invention.
  • Embodiment 2 is a flowchart of the operation of Embodiment 2 of the present invention.
  • a charging method based on the TYPE-C interface for stably realizing large current charging includes the following steps:
  • the function control terminal samples the charging current and judges the charging. Whether the current is lower than the threshold, if it is lower than the threshold, then execute S3, otherwise perform the next step;
  • the adjustment circuit controls the charging current to return to the original current for charging.
  • This method provides a method for realizing high current charging by using the TYPE-C interface.
  • the charging current is sampled to determine whether the charging current is lower than the threshold current, when higher than When the threshold current (the current that causes the communication signal to drop frame), the charging current is reduced and then the CC interface communication is performed, thereby avoiding the charging current being higher than the threshold current when the cable quality is poor.
  • High line resistance, high parasitic inductance, and high parasitic capacitance can cause frame loss of communication signals.
  • the method solves the problem that the communication PD protocol that the TYPE_C relies on the CC interface communication causes the charging system to fail to work normally under the condition of large current charging.
  • the invention will be further described below by means of embodiments in which the functional control terminals are arranged on different products.
  • Embodiment 1 When the mobile terminal functions as a function control host of the entire charging system and the adapter is a charging method of the slave, when the mobile terminal needs to change the charging state (change voltage/current), referring to FIG. 1, the following steps are included. :
  • the mobile terminal samples the charging current through its own current voltage detecting module, and judges charging Whether the current is lower than the threshold, if it is lower than the threshold, then execute S13, otherwise perform the next step;
  • the adjustment circuit of the mobile terminal controls the charging current to decrease to a preset value, and performs the next step;
  • the mobile terminal adjustment circuit controls the charging current to return to the original current (large charging current) for charging.
  • Embodiment 2 when the adapter functions as a function control host of the entire charging system, and the mobile terminal is a charging method of the slave device, when the adapter needs to view the state of the mobile terminal, referring to FIG. 2, the following steps are included:
  • the adapter samples the charging current through its current-voltage detection module and determines whether the charging current is lower than the threshold. If it is lower than the threshold, execute S23, otherwise perform the next step;
  • the adjustment circuit of the adapter controls the charging current to decrease to a preset value, and performs the next step;
  • the mobile terminal obtains current and voltage information from its own current-voltage detection module, communicates through the CC interface, and tells the adapter its own information status to perform the next step;
  • the adjustment circuit of the adapter controls the charging current to return to the original current (large charging current) for charging.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

一种基于TYPE-C接口的可稳定实现大电流充电的充电方法，包括以下步骤：S1.功能控制端对充电电流进行采样，并判断充电电流是否低于阀值，如低于阀值则执行S3，否则执行下一步骤；S2.调整电路控制充电电流减小到预设值，并执行下一步骤；S3.通过CC接口进行通讯，待通讯完成后执行下一步骤；S4.调整电路控制充电电流恢复至原电流进行充电。该充电方法具有能解决TYPE-C依靠CC接口通讯在大电流充电情况下通讯异常导致充电系统无法正常工作的问题的优点。

Description

基于TYPE-C接口的可稳定实现大电流充电的充电方法
技术领域
本发明涉及充电电路领域，尤其是涉及一种能解决TYPE_C依靠CC接口通讯在大电流充电情况下通讯异常导致充电系统无法正常工作的问题 的 基于TYPE-C接口的可稳定实现大电流充电的充电方法 。
背景技术
随着接口技术的发展，TYPE_C接口逐渐替代传统的USB2.0接口，并且在快速充电技术的发展下，逐渐提高了对充电速度的要求，增大充电电流成为快充充电技术的必然趋势，为了使用TYPE_C的实现稳定的大电流充电，Power Delivery (PD)协议的通讯方式是国际USB联盟推荐的功勋识别方式。通过TYPE_C接口CC线的通讯，从而实现PD的协议，以实现大电流充电。
现阶段大部分的TYPE-C接口的充电过程，充电的电流还是在3A以下，当电流超过3A，达到5A，甚至超过5A时，通过CC接口的通讯质量依赖于TYPC_C线缆的质量，而现阶段市场上的TYPC_C线缆的质量参差不齐，若线缆质量较差，高线阻、高寄生电感、高寄生电容会导致通讯信号丢帧，因此通讯信号无法有效的交换，进而导致适配器和充电设备无法交换信息，从而限制了TYPE-C在大电流下的充电和其他的功能应用。
发明内容
为克服 现有技术的 缺点， 本发明目的在于提供一种能解决TYPE_C依靠CC接口通讯在大电流充电情况下通讯异常导致充电系统无法正常工作的问题 的 基于TYPE-C接口的可稳定实现大电流充电的充电方法 。
本发明通过以下技术措施实现的，一种基于TYPE-C接口的可稳定实现大电流充电的充电方法， 包括以下步骤 ：
S1. 功能控制端对充电电流进行采样，并判断充电 电流是否低于阀值，如低于阀值则执行S3，否则执行下一步骤；
S2. 调整电路控制充电电流减小到预设值，并执行下一步骤；
S3. 通过CC接口进行通讯，待通讯完成后执行下一步骤；
S4. 调整电路控制充电电流恢复至原电流进行充电。
作为一种优选方式， 所述 功能控制端为移动终端。
作为一种优选方式，步骤S3为： 通过CC接口与 适配器 进行通讯， 适配器的调整模块完成输出状态调整 后执行下一步骤。
作为一种优选方式， 所述 功能控制端为适配器。
作为一种优选方式，步骤S3为： 移动终端从本身的电流电压检测模块得到电流和电压等信息，通过CC接口进行通讯，告诉适配器自身的信息状态后执行下一步骤。
作为一种优选方式，所述功能控制端通过电流及电压检测模块对充电电流进行采样。
本发明提供了一种利用TYPE-C接口，可以实现大电流充电的方法，在进行CC接口通讯前，先对充电电流进行采样，来判断充电 电流是否低于阀值 电流 ，当 高于 阀值电流（ 会导致通讯信号丢帧的电流 ）时则降低充电电流后再进行CC接口通讯，从而避免了 当 线缆质量较差时 充电电流高于 阀值电流而 产生高线阻、高寄生电感、高寄生电容导致的通讯信号丢帧的问题。 本发明解决了TYPE_C依靠CC接口通讯的通讯PD协议在大电流充电情况下通讯异常导致充电系统无法正常工作的问题。。
附图说明
图1为本发明实施例1的工作流程图。
图2为本发明实施例2的工作流程图。
具体实施方式
下面结合实施例并对照附图对本发明作进一步详细说明。
一种基于TYPE-C接口的可稳定实现大电流充电的充电方法， 参考图1至图2， 包括以下步骤 ：
S1. 功能控制端对充电电流进行采样，并判断充电 电流是否低于阀值，如低于阀值则执行S3，否则执行下一步骤；
S2. 调整电路控制充电电流减小到预设值，并执行下一步骤；
S3. 通过CC接口进行通讯，待通讯完成后执行下一步骤；
S4. 调整电路控制充电电流恢复至原电流进行充电。
此方法提供了一种利用TYPE-C接口，可以实现大电流充电的方法，在进行CC接口通讯前，先对充电电流进行采样，来判断充电 电流是否低于阀值 电流 ，当 高于 阀值电流时（ 会导致通讯信号丢帧的电流 ）则降低充电电流后再进行CC接口通讯，从而避免了 当 线缆质量较差时 充电电流高于 阀值电流而 产生高线阻、高寄生电感、高寄生电容会导致通讯信号丢帧的问题。 本方法解决了TYPE_C依靠CC接口通讯的通讯PD协议在大电流充电情况下通讯异常导致充电系统无法正常工作的问题。下面通过功能控制端设置在不同产品上的实施例对本发明作进一步说明。
实施例1，当移动终端作为整个充电系统的功能控制主机、适配器为从机的充电方法，当移动终端需要改变充电状态（改变电压/电流）时， 参考图1， 包括以下步骤 ：
S11. 移动终端通过本身的电流电压检测模块来对充电电流进行采样，并判断充电 电流是否低于阀值，如低于阀值则执行S13，否则执行下一步骤；
S12. 移动终端的 调整电路控制充电电流减小到预设值，并执行下一步骤；
S13. 通过CC接口与 适配器 进行通讯， 适配器的调整模块完成输出状态调整 （使电压/电流达到移 动终端需要改变的充电状态 ）后执行下一步骤；
S14. 移动终端 调整电路控制充电电流恢复至原电流（大的充电电流）进行充电。
实施例2，当适配器作为整个充电系统的功能控制主机、移动终端为从机的充电方法，当适配器需要查看移动终端的状态时， 参考图2， 包括以下步骤 ：
S21. 适配器通过本身的电流电压检测模块对充电电流进行采样，并判断充电电流是否低于阀值 ，如低于阀值则执行S23，否则执行下一步骤；
S22. 适配器的 调整电路控制充电电流减小到预设值，并执行下一步骤；
S23. 移动终端从本身的电流电压检测模块得到电流和电压等信息，通过CC接口进行通讯，告诉适配器自身的信息状态后执行下一步骤；
S24. 适配器的 调整电路控制充电电流恢复至原电流（大的充电电流）进行充电。
以上是对本发明 基于TYPE-C接口的可稳定实现大电流充电的充电方法 进行了阐述，用于帮助理解本发明， 但本发明的实施方式并不受上述实施例的限制，任何未背离本发明原理下所作的改变、修饰、替代、组合、简化，均应为等效的置换方式，都包含在本发明的保护范围之内。

Claims (6)

1. 一种基于TYPE-C接口的可稳定实现大电流充电的充电方法，其特征在于 包括以下步骤 ：
S1. 功能控制端对充电电流进行采样，并判断充电 电流是否低于阀值，如低于阀值则执行S3，否则执行下一步骤；
S2. 调整电路控制充电电流减小到预设值，并执行下一步骤；
S3. 通过CC接口进行通讯，待通讯完成后执行下一步骤；
S4. 调整电路控制充电电流恢复至原电流进行充电。
2. 根据权利要求1所述的基于TYPE-C接口的可稳定实现大电流充电的充电方法，其特征在于： 所述 功能控制端为移动终端。
3. 根据权利要求2所述的基于TYPE-C接口的可稳定实现大电流充电的充电方法，其特征在于步骤S3为： 通过CC接口与 适配器 进行通讯， 适配器的调整模块完成输出状态调整 后执行下一步骤。
4. 根据权利要求1所述的基于TYPE-C接口的可稳定实现大电流充电的充电方法，其特征在于： 所述 功能控制端为适配器。
5. 根据权利要求4所述的基于TYPE-C接口的可稳定实现大电流充电的充电方法，其特征在于步骤S3为： 移动终端从本身的电流电压检测模块得到电流和电压等信息，通过CC接口进行通讯，告诉适配器自身的信息状态后执行下一步骤。
6. 根据权利要求1所述的基于TYPE-C接口的可稳定实现大电流充电的充电方法，其特征在于：所述功能控制端通过电流及电压检测模块对充电电流进行采样。
PCT/CN2016/088226 2016-06-27 2016-07-01 基于type-c接口的可稳定实现大电流充电的充电方法 WO2018000432A1 (zh)

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CN116231815B (zh) * 2023-05-10 2023-09-08 荣耀终端有限公司 控制充电的方法及电子设备

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