WO2016101224A1 - 一种终端的漏电流检测系统 - Google Patents

一种终端的漏电流检测系统 Download PDF

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Publication number
WO2016101224A1
WO2016101224A1 PCT/CN2014/095003 CN2014095003W WO2016101224A1 WO 2016101224 A1 WO2016101224 A1 WO 2016101224A1 CN 2014095003 W CN2014095003 W CN 2014095003W WO 2016101224 A1 WO2016101224 A1 WO 2016101224A1
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terminal
core system
leakage current
power supply
power
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PCT/CN2014/095003
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English (en)
French (fr)
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任伟聪
易见
魏雷
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华为技术有限公司
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Priority to CN201480071964.3A priority Critical patent/CN106164686B/zh
Priority to PCT/CN2014/095003 priority patent/WO2016101224A1/zh
Publication of WO2016101224A1 publication Critical patent/WO2016101224A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50—Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/52—Testing for short-circuits, leakage current or ground faults

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  • the present invention relates to the field of terminals, and in particular, to a leakage current detecting system for a terminal.
  • Terminal leakage current is an important criterion for verifying the eligibility of end products (such as mobile phones, tablets, etc.).
  • the current common terminal product structure is shown in Figure 1, including:
  • the core system 101, the terminal implements the core part of each function
  • a battery 102 for providing working power to the core system 101;
  • USB Universal Serial Bus
  • the smart charging chip 104 is connected to the core system 101, the battery 102, and the USB interface 103.
  • the battery switch S in the smart charging chip 104 is closed, and the connection between the core system 101 and the battery 102 is connected.
  • the battery 102 supplies power to the core system 101.
  • the USB interface 103 is connected to the terminal charger, if the charging current is small and does not reach the set value, the battery switch S is disconnected, and the terminal charger supplies power only to the core system 101, if the charging current Larger, reaching the set value, the battery switch S is closed, and the terminal charger is also charging the battery 102 while supplying power to the core system 101.
  • the leakage current detection of the terminal can only be performed when the terminal is not equipped with a battery.
  • many of the current terminals are non-removable structural designs of the battery, that is, the leakage current detection of the terminal cannot be performed.
  • Embodiments of the present invention provide a leakage current detecting system for a terminal, which can detect terminal leakage current when the battery is not disassembled.
  • a leakage current detecting system for a terminal including:
  • a control device for controlling disconnection between the core system of the terminal and the battery of the terminal
  • a power device connected to the core system for supplying power to the core system
  • a detecting device configured to detect the power source when the control device controls disconnection between the core system and the battery, when the power device supplies power to the core system, and the terminal is in a specified state
  • the output current of the device, and the detected current is the leakage current of the terminal in the specified state.
  • the power device is specifically connected to the core system by using a universal serial bus USB interface of the terminal.
  • the power device is specifically connected to the core system by using an audio interface of the terminal.
  • the power device is connected to the core system by using a SIM card slot of a client identification module of the terminal.
  • the power device is specifically connected to the core system by using a memory card slot of the terminal.
  • the power device is specifically a program-controlled power supply.
  • the specified state is a shutdown state or a standby state.
  • the leakage current detecting system of the terminal provided by the first aspect, the connection between the core system of the control terminal and the battery is disconnected, and only the power supply device is used to supply power to the core system, and when the terminal is in a specified state, the output current of the power supply device is detected, and the detection is obtained.
  • the current is the leakage current of the terminal in the specified state.
  • FIG. 1 is a schematic diagram of a conventional terminal structure
  • FIG. 2 is a schematic diagram of a leakage current detecting system of a terminal according to an embodiment of the present invention
  • FIG. 3 is a second schematic diagram of a leakage current detecting system of a terminal according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a process for detecting a shutdown leakage current of a terminal according to an embodiment of the present invention
  • FIG. 5 is a schematic diagram of a process for detecting standby leakage current of a terminal according to an embodiment of the present invention.
  • an embodiment of the present invention provides a leakage current detecting system for the terminal.
  • the preferred embodiment of the present invention will be described below with reference to the accompanying drawings.
  • the preferred embodiments described herein are for illustrative purposes only and are not intended to limit the invention. And in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.
  • An embodiment of the present invention provides a leakage current detecting system for a terminal, as shown in FIG. 2, including:
  • the control device 201 is configured to control disconnection between the core system 101 of the terminal and the battery 102 of the terminal;
  • the power device 202 is connected to the core system 101 for supplying power to the core system 101.
  • the detecting device 203 is configured to detect the output current of the power device 202 when the control device 201 controls the disconnection between the core system 101 and the battery 102, the power device 202 supplies power to the core system 101, and the terminal is in a designated state, and detects the output current.
  • the current is the leakage current of the terminal in the specified state.
  • the leakage current detecting system provided by the embodiment of the invention can be applied to various terminals such as a mobile phone, a tablet computer, and a music player.
  • control device 201 may specifically be a PC (Personal Computer) connected to the USB interface 103 of the terminal through the terminal.
  • PC Personal Computer
  • a control command is issued to the terminal to disconnect the connection between the core system 101 and the battery 102.
  • the power device 202 may be a program-controlled power supply with high security and reliability.
  • the connection between the power device 202 and the core system 101 of the terminal can be implemented in various manners.
  • the power device 202 can be connected to the core system 101 through the USB interface 103; when the terminal has an audio interface, such as a headset or a microphone interface, the power device 202 can be connected to the core system 101 through an audio interface; when the terminal has a SIM (Subscriber Identity Module, When the customer identification module is in the card slot, the power device 202 can be connected to the core system 101 through the SIM card slot; when the terminal has a memory card slot, such as an SD (Secure Digital) card slot, the power device 202 can also pass the memory card.
  • the slot connects the core system 101.
  • connection between the power device 202 and the core system 101 can also be implemented by adding a new interface at the terminal. That is, in actual implementation, a specific implementation solution may be determined according to an actual application scenario.
  • the above detecting device 203 may specifically be various current detecting instruments.
  • the leakage current detecting system provided by the embodiment of the invention can detect the shutdown leakage current of the terminal and the standby leakage current of the terminal. That is, the specified state may be a shutdown state or a standby state.
  • the detecting device 203 is specifically configured to control the disconnection between the core system 101 and the battery 102 at the control device 201, and the power device 202 is When the core system 101 is powered and the terminal is powered off, the output current of the power device 202 is detected, and the detected current is the shutdown leakage current of the terminal; when the leakage current detecting system provided by the embodiment of the present invention is used to detect the standby leakage current of the terminal.
  • the detecting device 203 is specifically configured to detect the output current of the power device 202 when the control device 201 controls the disconnection between the core system 101 and the battery 102, the power device 202 supplies power to the core system 101, and the terminal stands by, and detects the output current. The current is the standby leakage current of the terminal.
  • the process of detecting the shutdown leakage current of the terminal by using the above leakage current detecting system is described below with reference to the accompanying drawings. Describe.
  • the leakage current detecting system used is as shown in FIG. 3.
  • the control device 201 is specifically a PC.
  • the PC is connected to the terminal through the USB interface 103, and can communicate with the terminal and can supply power to the terminal.
  • the power device 202 is specifically a program-controlled power supply.
  • the detection process of terminal shutdown leakage current is shown in Figure 4, including:
  • Step 401 When the terminal is powered on, the PC sends a control command to the terminal, and the connection between the core system 101 and the battery 102 is disconnected.
  • the battery switch S in the smart charging chip 104 of the control terminal is disconnected. .
  • Step 402 Shut down the terminal.
  • This step can be implemented by the PC sending a shutdown command to the terminal, or directly by human operation.
  • Step 403 Disconnect the PC from the terminal.
  • the PC If the PC is connected to the terminal, the PC will supply power to the core system 101. Therefore, the connection between the PC and the terminal needs to be disconnected, and the power supply device other than the programmable power supply of the core system 101 is cut off.
  • step 402 is used to shut down the terminal directly by the human operation
  • the step 403 may be performed to disconnect the PC from the terminal, and then the step 402 is performed to shut down the operation terminal.
  • Step 404 Confirm that the terminal completes the shutdown, and detects that the output current of the programmable power supply is the shutdown leakage current of the terminal.
  • the following describes the process of detecting the standby leakage current of the terminal by using the leakage current detecting system shown in FIG. 3, as shown in FIG. 5, including:
  • Step 501 When the terminal is powered on, the PC sends a control command to the terminal, and the connection between the core system 101 and the battery 102 is disconnected.
  • Step 502 Disconnect the PC from the terminal.
  • Step 503 When the terminal is in standby, detecting the output current of the programmable power supply is the standby leakage current of the terminal.
  • the connection between the core system of the control terminal and the battery is disconnected, and only the power supply device is used to supply power to the core system, and when the terminal is in a specified state, the output current of the power supply device is detected, and the detected current is detected. That is, the leakage current of the terminal in the specified state, that is, The battery leakage can be detected without removing the battery 102 from the terminal, thereby ensuring the reliability of the terminal product, and the solution is easy to implement and the cost is low.

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  • General Physics & Mathematics (AREA)
  • Telephone Function (AREA)
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Abstract

一种终端的漏电流检测系统，包括：控制设备（201），用于控制终端的核心系统（101）与终端的蓄电池（102）间的连接断开；电源设备（202），连接核心系统（101），用于为核心系统（101）供电；检测设备（203），用于在控制设备（201）控制核心系统（101）与蓄电池（102）间的连接断开、由电源设备（202）为核心系统（101）供电、且终端为指定状态时，检测该电源设备（202）的输出电流，检测得到的电流为终端在指定状态下的漏电流。采用本漏电流检测系统，无需拆卸下蓄电池（102），便能够实现终端漏电流的检测。

Description

一种终端的漏电流检测系统 技术领域
本发明涉及终端领域，特别涉及一种终端的漏电流检测系统。
背景技术
终端漏电流是检验终端产品(如手机、平板电脑等)是否合格的一项重要标准。目前常见的终端产品结构如图1所示，包括：
核心系统101，终端实现各项功能的核心部分；
蓄电池102，用于为核心系统101提供工作电源；
USB(Universal Serial Bus，通用串行总线)接口103，用于连接终端充电器；
智能充电芯片104，连接上述核心系统101、蓄电池102以及USB接口103；当USB接口103未连接终端充电器时，智能充电芯片104中的蓄电池开关S闭合，核心系统101与蓄电池102间的连接连通，蓄电池102为核心系统101供电；当USB接口103连接终端充电器时，若充电电流较小、未达到设定值，蓄电池开关S断开，终端充电器仅为核心系统101供电，若充电电流较大、达到设定值，蓄电池开关S闭合，终端充电器在为核心系统101供电的同时，还为蓄电池102充电。
现有技术中，终端的漏电流检测只能在终端未安装蓄电池时进行。然而，目前的很多终端均是蓄电池不可拆卸的结构设计，即无法进行终端的漏电流检测。
发明内容
本发明实施例提供一种终端的漏电流检测系统，能够在不拆卸蓄电池时实现终端漏电流的检测。
第一方面，提供一种终端的漏电流检测系统，包括：
控制设备，用于控制终端的核心系统与终端的蓄电池间的连接断开；
电源设备，连接所述核心系统，用于为所述核心系统供电；
检测设备，用于在所述控制设备控制所述核心系统与所述蓄电池间的连接断开、由所述电源设备为所述核心系统供电、且所述终端为指定状态时，检测所述电源设备的输出电流，检测得到的电流为所述终端在所述指定状态下的漏电流。
结合第一方面，在第一种可能的实现方式中，所述电源设备，具体通过所述终端的通用串行总线USB接口连接所述核心系统。
结合第一方面，在第二种可能的实现方式中，所述电源设备，具体通过所述终端的音频接口连接所述核心系统。
结合第一方面，在第三种可能的实现方式中，所述电源设备，具体通过所述终端的客户识别模块SIM卡槽连接所述核心系统。
结合第一方面，在第四种可能的实现方式中，所述电源设备，具体通过所述终端的存储卡槽连接所述核心系统。
结合第一方面，第一方面的第一种可能的实现方式，第一方面的第二种可能的实现方式，第一方面的第三种可能的实现方式，或者第一方面的第四种可能的实现方式，在第五种可能的实现方式中，所述电源设备具体为程控电源。
结合第一方面，第一方面的第一种可能的实现方式，第一方面的第二种可能的实现方式，第一方面的第三种可能的实现方式，第一方面的第四种可能的实现方式，或者第一方面的第五种可能的实现方式，在第六种可能的实现方式中，所述指定状态为关机状态或待机状态。
根据第一方面提供的终端的漏电流检测系统，控制终端的核心系统与蓄电池间的连接断开，仅利用电源设备为核心系统供电，在终端为指定状态时检测电源设备的输出电流，检测得到的电流即为终端在该指定状态下的漏电流；显然，采用本发明实施例提供的漏电流检测系统，终端无需拆卸下蓄电池，便能够实现漏电流的检测。
附图说明
附图用来提供对本发明的进一步理解，并且构成说明书的一部分，与本发明实施例一起用于解释本发明，并不构成对本发明的限制。在附图中：
图1为目前常见的终端结构示意图；
图2为本发明实施例提供的终端的漏电流检测系统的示意图之一；
图3为本发明实施例提供的终端的漏电流检测系统的示意图之二；
图4为本发明实施例提供的终端关机漏电流的检测过程的示意图；
图5为本发明实施例提供的终端待机漏电流的检测过程的示意图。
具体实施方式
为了给出无需拆卸下蓄电池，便能够进行终端漏电流检测的实现方案，本发明实施例提供了一种终端的漏电流检测系统，以下结合说明书附图对本发明的优选实施例进行说明，应当理解，此处所描述的优选实施例仅用于说明和解释本发明，并不用于限定本发明。并且在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
本发明实施例提供一种终端的漏电流检测系统，如图2所示，包括：
控制设备201，用于控制终端的核心系统101与终端的蓄电池102间的连接断开；
电源设备202，连接核心系统101，用于为核心系统101供电；
检测设备203，用于在控制设备201控制核心系统101与蓄电池102间的连接断开、由电源设备202为核心系统101供电、且终端为指定状态时，检测电源设备202的输出电流，检测得到的电流为终端在指定状态下的漏电流。
本发明实施例提供的漏电流检测系统可应用于手机、平板电脑、音乐播放器等各种终端。
实际实施时，控制设备201具体可以为与终端通过终端的USB接口103连接的PC(Personal Computer，个人计算机)，在终端为开机状态时，由PC 向终端下发控制命令，控制核心系统101与蓄电池102间的连接断开。
进一步的，上述电源设备202具体可以为程控电源，安全性、可靠性较高。
而电源设备202和终端的核心系统101之间的连接，具体可以采用多种方式实现。例如，电源设备202可以通过USB接口103连接核心系统101；当终端具有音频接口时，如耳机、麦克接口时，电源设备202可以通过音频接口连接核心系统101；当终端具有SIM(Subscriber Identity Module，客户识别模块)卡槽时，电源设备202可以通过SIM卡槽连接核心系统101；当终端具有存储卡槽时，如SD(Secure Digital，安全数字)卡槽时，电源设备202还可以通过存储卡槽连接核心系统101。
上述通过USB接口、音频接口、SIM卡槽或存储卡槽实现电源设备202与核心系统101之间连接的方案仅为示例，并不用于限定本发明。当然，也可以在终端新增接口实现电源设备202与核心系统101之间的连接。即实际实施时，可以根据实际应用场景来确定具体的实现方案。
进一步的，上述检测设备203具体可以为现有的各种电流检测仪器。本发明实施例提供的漏电流检测系统既可以检测终端的关机漏电流，也可以检测终端的待机漏电流。即上述指定状态具体可以为关机状态，也可以为待机状态。
当本发明实施例提供的漏电流检测系统用于检测终端的关机漏电流时，检测设备203，具体用于在控制设备201控制核心系统101与蓄电池102间的连接断开、由电源设备202为核心系统101供电、且终端关机时，检测电源设备202的输出电流，检测得到的电流即为终端的关机漏电流；当本发明实施例提供的漏电流检测系统用于检测终端的待机漏电流时，检测设备203，具体用于在控制设备201控制核心系统101与蓄电池102间的连接断开、由电源设备202为核心系统101供电、且终端待机时，检测电源设备202的输出电流，检测得到的电流即为终端的待机漏电流。
下面结合附图，对采用上述漏电流检测系统检测终端关机漏电流的过程 进行描述。采用的漏电流检测系统如图3所示，上述控制设备201具体为PC，PC通过USB接口103和终端相连，可以和终端进行通信，并且能够为终端供电；电源设备202具体为程控电源。终端关机漏电流的检测过程如图4所示，包括：
步骤401、在终端开机时，PC向终端下发控制命令，控制核心系统101与蓄电池102间的连接断开，在本实施例中即为控制终端的智能充电芯片104中的蓄电池开关S断开。
步骤402、将终端关机。
该步骤可以由PC向终端下发关机命令实现，也可以直接由人为操作实现。
步骤403、断开PC与终端的连接。
若PC与终端连接，PC则会为核心系统101供电，因此需要断开PC与终端的连接，切除核心系统101除程控电源以外的其它供电设备。
若上述步骤402将终端关机直接由人为操作实现，也可以先执行步骤403断开PC与终端的连接，再执行步骤402人为操作终端关机。
步骤404、确认终端完成关机，检测程控电源的输出电流即为终端的关机漏电流。
下面对采用图3所示的漏电流检测系统检测终端待机漏电流的过程进行描述，如图5所示，包括：
步骤501、在终端开机时，PC向终端下发控制命令，控制核心系统101与蓄电池102间的连接断开。
步骤502、断开PC与终端的连接。
步骤503、在终端待机时，检测程控电源的输出电流即为终端的待机漏电流。
可见，采用本发明实施例提供的方案，控制终端的核心系统与蓄电池间的连接断开，仅利用电源设备为核心系统供电，在终端为指定状态时检测电源设备的输出电流，检测得到的电流即为终端在该指定状态下的漏电流，即 无需将蓄电池102从终端中拆卸下，便能够实现终端漏电流的检测，进而能够保证终端产品的可靠性，并且方案易于实现，成本较低。
尽管已描述了本发明的优选实施例，但本领域内的技术人员一旦得知了基本创造性概念，则可对这些实施例作出另外的变更和修改。所以，所附权利要求意欲解释为包括优选实施例以及落入本发明范围的所有变更和修改。
显然，本领域的技术人员可以对本发明实施例进行各种改动和变型而不脱离本发明实施例的精神和范围。这样，倘若本发明实施例的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。

Claims (7)

  1. 一种终端的漏电流检测系统，其特征在于，包括：
    控制设备，用于控制终端的核心系统与终端的蓄电池间的连接断开；
    电源设备，连接所述核心系统，用于为所述核心系统供电；
    检测设备，用于在所述控制设备控制所述核心系统与所述蓄电池间的连接断开、由所述电源设备为所述核心系统供电、且所述终端为指定状态时，检测所述电源设备的输出电流，检测得到的电流为所述终端在所述指定状态下的漏电流。
  2. 如权利要求1所述的漏电流检测系统，其特征在于，所述电源设备，具体通过所述终端的通用串行总线USB接口连接所述核心系统。
  3. 如权利要求1所述的漏电流检测系统，其特征在于，所述电源设备，具体通过所述终端的音频接口连接所述核心系统。
  4. 如权利要求1所述的漏电流检测系统，其特征在于，所述电源设备，具体通过所述终端的客户识别模块SIM卡槽连接所述核心系统。
  5. 如权利要求1所述的漏电流检测系统，其特征在于，所述电源设备，具体通过所述终端的存储卡槽连接所述核心系统。
  6. 如权利要求1-5任一所述的漏电流检测系统，其特征在于，所述电源设备具体为程控电源。
  7. 如权利要求1-6任一所述的漏电流检测系统，其特征在于，所述指定状态为关机状态或待机状态。
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