WO2017096831A1 - 电池断电方法、装置及移动终端 - Google Patents

电池断电方法、装置及移动终端 Download PDF

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Publication number
WO2017096831A1
WO2017096831A1 PCT/CN2016/088830 CN2016088830W WO2017096831A1 WO 2017096831 A1 WO2017096831 A1 WO 2017096831A1 CN 2016088830 W CN2016088830 W CN 2016088830W WO 2017096831 A1 WO2017096831 A1 WO 2017096831A1
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WIPO (PCT)
Prior art keywords
power
battery
predetermined time
battery power
mobile terminal
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PCT/CN2016/088830
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English (en)
French (fr)
Inventor
王伟
肖亮
孔繁博
Original Assignee
乐视控股（北京）有限公司
乐视移动智能信息技术（北京）有限公司
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Application filed by 乐视控股（北京）有限公司, 乐视移动智能信息技术（北京）有限公司 filed Critical 乐视控股（北京）有限公司
Priority to US15/239,046 priority Critical patent/US20170179746A1/en
Publication of WO2017096831A1 publication Critical patent/WO2017096831A1/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
    • H02J7/0042—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction
    • H02J7/0045—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by the mechanical construction concerning the insertion or the connection of the batteries
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3827—Portable transceivers
    • H04B1/3883—Arrangements for mounting batteries or battery chargers
    • 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
    • H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • H02J7/0031—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using battery or load disconnect circuits

Definitions

  • the present application relates to electronic circuit technology, and in particular, to a battery power-off method, device, and mobile terminal.
  • Configuring the battery to be built-in and non-removable can reduce the size of the mobile terminal to a certain extent and provide greater flexibility for its shape design. Therefore, more and more mobile terminals adopt such a battery configuration.
  • the battery power-off operation described above is usually implemented by providing a contact or a mechanical switch on the mobile terminal.
  • the inventors of the present application found in the research that the battery power-off operation by setting a contact or a mechanical switch easily causes a false trigger power-off phenomenon due to accidental contact with a contact or a mechanical switch. Moreover, the provision of contacts or mechanical switches on the mobile terminal also occupies the external space of the mobile terminal, which has a negative impact on the appearance of the mobile terminal.
  • the present application provides a battery power-off method, device, and mobile terminal, so that battery disconnection operation can be performed without setting a contact or a mechanical switch, thereby avoiding false triggering.
  • a battery power-off device In a first aspect, a battery power-off device is provided, the battery power-off device being disposed in a mobile terminal with a battery, the battery power-off device comprising:
  • a wireless communication module configured to receive a wireless signal sent by an instruction transmitting device external to the mobile terminal And decoding the wireless signal to obtain a power down command;
  • a controller configured to output a power-off control signal according to the power-off instruction
  • a power-off control circuit configured to control the power connection of the battery to be turned off according to the power-off control signal for a first predetermined time.
  • the power-off control circuit includes:
  • a first switch connected to a power connection of the battery
  • the first delay control circuit controls the first switch to turn off for a first predetermined time according to the power-off control signal.
  • the power-off control circuit includes:
  • the second delay control circuit controls the second switch to be turned on for a first predetermined time according to the power-off control signal.
  • the power-off control circuit includes:
  • the third delay control circuit is connected to the trigger end of the power-off protection circuit of the mobile terminal, and is configured to output a high level for the first predetermined time to the trigger terminal according to the power-off control signal.
  • the wireless communication module is configured to perform wireless signal reception every second predetermined time.
  • the controller is further configured to: after receiving the power-off instruction, control the wireless communication module to send an acknowledgement signal.
  • the wireless signal is a signal transmitted based on a short-range communication protocol whose communication distance is less than a predetermined distance.
  • a mobile terminal including:
  • the battery power-off device as described above.
  • a battery power-off method in a third aspect, includes:
  • the electrical connection provided by the battery is controlled to be off for a first predetermined time according to the power-off command.
  • the first predetermined time when the power connection of the control battery is disconnected includes:
  • the first switch that controls the connection to the power supply of the battery is turned off for a first predetermined time.
  • the first predetermined time when the power connection of the control battery is disconnected includes:
  • the positive pole of the control battery is shorted to the trigger end of the power-off protection circuit for a first predetermined time.
  • the first predetermined time when the power connection of the control battery is disconnected includes:
  • the high level of the first predetermined time is output to the trigger terminal of the power-off protection circuit.
  • the wireless signal sent by the instruction transmitting device outside the mobile terminal includes:
  • the wireless signal reception is performed every second predetermined time.
  • the battery power-off method further includes:
  • an acknowledgment signal is sent.
  • the wireless signal is a signal transmitted based on a short-range communication protocol whose communication distance is less than a predetermined distance.
  • the mobile terminal controls to disconnect the battery from other circuits when receiving the wireless power-off signal (that is, to turn off the power connection of the battery), thereby eliminating the need to set contacts or machinery.
  • the switch can be used to power off the battery to avoid false triggering. At the same time, it provides greater flexibility for the shape design of mobile terminals.
  • FIG. 1 is a block diagram showing the structure of a battery power-off control system of an embodiment of the present application
  • FIGS. 2a-2c are schematic block diagrams showing a battery power-off device of a preferred embodiment of the embodiment of the present application.
  • FIG. 3 is a flow chart schematically showing a battery power-off method of an embodiment of the present application.
  • FIG. 4 schematically shows a block diagram of a computing device for performing an antenna multiplexing method according to an embodiment of the present application
  • FIG. 5 schematically shows a storage unit for holding or carrying program code implementing an antenna multiplexing method according to an embodiment of the present application.
  • FIG. 1 is a block diagram showing the structure of a battery power-off control system of an embodiment of the present application.
  • the battery power-off control system includes a command transmitting device 1 and a battery power-off device 2.
  • the command transmitting device 1 is configured to transmit a wireless signal carrying a power-off command.
  • the power down command can be a predetermined binary code sequence.
  • the wireless signal may be a signal based on an existing wireless communication interface, such as WiFi, Bluetooth, infrared, 2.4G wireless signal, Near Field Communication (NFC), or other wireless signal based on a custom communication protocol.
  • the wireless signal is a signal transmitted based on a short-range communication protocol, and the communication distance is preferably within 10 cm. That is, the command transmitting device 1 and the battery power-off device 2 perform communication based on the short-range communication protocol in which the communication distance is less than a predetermined distance. Thereby, it is possible to avoid erroneously triggering other mobile terminals within the communication range to perform a power-off operation when it is required to perform manufacturing assembly or maintenance detection one by one for the mobile terminal.
  • the battery disconnecting device 2 is disposed in the mobile terminal T, wherein the mobile terminal T is provided with a built-in battery B and a power supply connection for delivering battery power to the mobile terminal circuit. That is, the mobile terminal T includes a built-in battery B and a battery power-off device 2, and a main function circuit (also referred to as a main board) for maintaining the operation of the mobile terminal T, which may include, for example, a power management circuit. , power-off protection circuit, main control circuit, communication circuit, display circuit, I/O circuit, etc.
  • the mobile terminal may be a consumer electronic product having a data processing function such as a mobile communication terminal or a tablet computer. In the mobile terminal, the main function circuit P and the battery power-off device 2 are all powered by the battery B.
  • the "power off” means that the electrical connection between the battery and other circuits inside the mobile terminal is disconnected.
  • the battery power-off device 2 is configured to receive and decode a wireless signal acquisition signal command, and control the power connection of the battery to be turned off for a first predetermined time when the signal command is a power-off command.
  • the battery power-off device 2 can disconnect the power supply connection of the battery through a switch disposed on the power supply connection.
  • the battery power-off device 2 utilizes the power-off protection function in the mobile terminal to trigger the main The battery power-off protection function of the function circuit disconnects the battery from the power supply.
  • the battery power-off device 2 triggers the power-off protection function by controlling a switch connected between the power-off trigger pin and the battery positive terminal or outputs a power supply to the power-off trigger pin for a first predetermined time period.
  • a high level triggers the power-down protection function for a predetermined time. It should be understood that other existing methods may be employed to trigger the power-off protection function of the battery depending on the actual battery and the main function circuit settings.
  • the battery disconnecting device 2 since the battery disconnecting device 2 receives electric energy through the battery. Therefore, after the power supply connection of the battery is disconnected, the battery power-off device 2 also loses power. At this time, in order to restore the battery power supply after the manufacture or detection is completed, the battery power-off device 2 can output a high level or low power for a first predetermined time through a circuit having a self-power supply function for a first predetermined time.
  • the circuit can maintain a predetermined time of operation based on the electrical energy stored by the at least one capacitor.
  • the switch that controls the battery-powered line is controlled to be turned off or the battery-off protection function is triggered. After the predetermined duration is over, the level is reversed due to the decrease in the amount of power, so that the power supply connection of the battery is turned back on.
  • the broadcast of the power-off command is performed wirelessly, so that the battery power-off device that has received the power-off command controls the corresponding mobile terminal to disconnect the power supply connection of the battery for the first predetermined time. Therefore, the battery power-off operation can be performed without setting a contact or a mechanical switch to avoid false triggering. At the same time, it provides greater flexibility for the shape design of mobile terminals.
  • the battery power-off device 2 may be set to perform wireless signal reception every second predetermined time (for example, every 5 minutes), and after receiving the wireless signal, perform decoding to obtain the signal command. .
  • the battery disconnecting device 2 is in a sleep state between the received gaps.
  • the wireless communication mode and circuit setting mode with lower power consumption can be selected to further reduce the power consumption of the battery power-off device 2, and the influence of the added wireless receiving function on the endurance performance of the mobile terminal can be minimized.
  • the battery power-off device 2 can be set to transmit an acknowledge signal after receiving the power-off command.
  • the acknowledgment signal is transmitted in a wireless broadcast manner or based on the identity of the command transmitting device 1 carried in the power-off command.
  • the command transmitting device 1 stops transmitting the wireless signal after receiving the acknowledgment signal.
  • the confirmation signal can be on the side of the command transmitting device 1 It is suggested that the power-off operation is successful, and the necessary operations for detecting or assembling after power-off are performed automatically or relying on manual control.
  • the command transmitting device 1 can perform wireless signal reception between transmission slots of two wireless signals.
  • FIGS. 2a-2c are schematic block diagrams showing the structure of a battery power-off device in several preferred embodiments of the embodiments of the present application.
  • the battery disconnect device 2 includes a wireless communication module 21, a controller 22, and a power down control circuit 23.
  • the wireless communication module 21 is configured to receive and decode a wireless signal sent by an instruction transmitting device external to the mobile terminal to acquire a power-off command.
  • the wireless signal may be a signal based on an existing wireless communication interface, such as WiFi, Bluetooth, infrared, 2.4G wireless signal, near field communication (NFC) or other wireless signals based on a customized communication protocol.
  • the wireless signal is a signal transmitted based on a short-range communication protocol, and the communication distance is preferably within 10 cm.
  • the controller 22 is connected to the wireless communication module 21 and the power-off control circuit for outputting a power-off control signal according to the power-off command to control the power-off control circuit 23 to disconnect the power supply connection of the battery for a first predetermined time.
  • the power-off command is a predetermined binary code sequence.
  • the controller 22 outputs the power down control signal upon detecting the predetermined binary code sequence.
  • the power-off control signal may be a pulse signal for triggering.
  • the power-off control circuit 23 is for disconnecting the power supply connection of the battery for a first predetermined time.
  • the power down control circuit 23 can operate under low voltage drive to enable the main function circuit P to complete the reset, which is preferably less than 1.5V.
  • the power down control circuit 23 includes a first switch 23a and a first delay control circuit 23b disposed on the power supply connection.
  • the first delay control circuit 23b is for outputting a high level for a predetermined time according to the trigger of the power-off control signal output from the controller 22. Since the first delay control circuit 23b does not require a large power consumption, it is possible to supply power during the first predetermined time by providing a capacitive element for energy storage.
  • the capacitive element continues to discharge to maintain the high level, and after the first predetermined time elapses, the voltage of the capacitive element itself drops, which is insufficient to maintain the first delay control circuit 23b to continue to operate, thereby causing the input
  • the high level of the output is switched to a low level.
  • the first switch 23a remains off during the first predetermined time under the control of the high level, so that the electrical connection of the battery B to other circuits is disconnected. And after the first predetermined time has elapsed, the power supply can be restored.
  • the power down control circuit 23 includes a second switch 23c and a second delay control circuit 23d coupled between the battery positive terminal and the power down protection trigger terminal of the power supply control circuit.
  • the second delay control circuit 23d is configured to output a high level for a first predetermined time according to the trigger of the power-off control signal output by the controller 22.
  • the second switch 23c Under the control of the high level, the second switch 23c is turned on, so that the power-off protection trigger end is connected with the battery positive pole, the power-off protection function is triggered, and the battery power supply connection is disconnected.
  • the second switch 23c is turned off, and the power-off protection is canceled, so that the power supply can be recovered.
  • the power-off control circuit 23 includes a third delay control circuit that outputs a high level for a first predetermined time according to the trigger of the power-off control signal output by the controller 22, the high level It is output to the power-off protection circuit, which triggers the power-off protection function so that the electrical connection of the battery B to other circuits is disconnected during the first predetermined time. And after the first predetermined time has elapsed, the power supply can be restored.
  • the battery power-off operation can be performed without setting a contact or a mechanical switch to avoid false triggering. At the same time, it provides greater flexibility for the shape design of mobile terminals. In the assembly and maintenance, the power-off operation can be realized by the battery power-off device 2 built in the mobile terminal.
  • the wireless communication module 21 may be configured to perform wireless signal reception every second predetermined time (for example, 5 minutes), and perform decoding after receiving the wireless signal to obtain the signal instruction. .
  • the controller 22 can control the wireless communication module 21 to be in a sleep state.
  • the controller 22 may be set to control the wireless communication module 21 to transmit an acknowledgment signal after receiving the power-off command.
  • the confirmation signal is used to prompt the command transmitting device 1 to complete the power-off operation.
  • the command transmitting device 1 can stop transmitting the power-off command after receiving the acknowledgment signal.
  • the human-machine interaction interface can be used to indicate that the power-off operation is completed or the automatic control starts the manufacturing or detecting operation in the power-off state.
  • FIG. 3 is a flow chart schematically showing a battery power-off method of an embodiment of the present application.
  • the method passes the communication between the command transmitting device and the battery power-off device. Now powering down, the method includes:
  • Step 310 Receive a wireless signal sent by a wireless transmitter external to the mobile terminal, and decode the wireless signal to obtain a power-off command.
  • the power consumption of the system can be reduced by performing wireless signal reception every second predetermined time (for example, 5 minutes).
  • Step 320 Control the power connection of the battery to be turned off according to the power-off instruction for a first predetermined time.
  • the power down command may be a predetermined binary code sequence.
  • controlling the power supply connection of the battery to be disconnected for a first predetermined time in step 320 can be accomplished by controlling the first switch connected to the power connection of the battery to be turned off for a first predetermined time.
  • step of controlling the power supply connection of the battery to be disconnected for the first predetermined time in step 320 can be implemented by controlling the battery positive terminal to be short-circuited with the trigger terminal of the power-off protection circuit for a first predetermined time.
  • the power supply connection of the control battery is disconnected for a first predetermined time by outputting a high level to the trigger end of the power-off protection circuit for a first predetermined time.
  • the method may further include step 320a, that is, the battery power-off device transmits an acknowledgement signal after receiving the power-off command.
  • the confirmation signal is used to prompt the command transmitting device to complete the power-off operation.
  • the step 320a can be performed simultaneously with or before the step 320.
  • the command transmitting device may stop transmitting the power-off command.
  • the human-machine interaction interface can be used to indicate that the power-off operation is completed or the automatic control starts the manufacturing or detecting operation in the power-off state.
  • the broadcast of the power-off command is performed wirelessly, and the battery power-off device that receives the power-off command controls the corresponding mobile terminal to disconnect the power supply connection of the battery. Therefore, the battery power-off operation can be performed without setting a contact or a mechanical switch to avoid false triggering. At the same time, it provides greater flexibility for the shape design of mobile terminals.
  • modules in the devices of the embodiments can be adaptively changed and placed in one or more devices different from the embodiment.
  • the modules or units or components of the embodiments may be combined into one module or unit or component, and further they may be divided into a plurality of sub-modules or sub-units or sub-components.
  • any combination of the features disclosed in the specification, including the accompanying claims, the abstract and the drawings, and any methods so disclosed, or All processes or units of the device are combined.
  • Each feature disclosed in this specification (including the accompanying claims, the abstract and the drawings) may be replaced by alternative features that provide the same, equivalent or similar purpose.
  • the various component embodiments of the present application can be implemented in hardware, or in a software module running on one or more processors, or in a combination thereof.
  • a microprocessor or digital signal processor may be used in practice to implement some or all of the functionality of some or all of the components in accordance with embodiments of the present application.
  • the application can also be implemented as a device or device program for performing some or all of the methods described herein (example For example, computer programs and computer program products).
  • Such a program implementing the present application may be stored on a computer readable medium or may be in the form of one or more signals. Such signals may be downloaded from an Internet website, provided on a carrier signal, or provided in any other form.
  • Figure 4 illustrates a computing device that can implement a battery power down method in accordance with the present application.
  • the computing device conventionally includes a processor 410 and a computer program product or computer readable medium in the form of a storage device 420.
  • Storage device 420 can be an electronic memory such as a flash memory, EEPROM (Electrically Erasable Programmable Read Only Memory), EPROM, hard disk, or ROM.
  • Storage device 420 has a storage space 430 that stores program code 431 for performing any of the method steps described above.
  • storage space 430 storing program code may include various program code 431 for implementing various steps in the above methods, respectively.
  • the program code can be read from or written to one or more computer program products.
  • These computer program products include program code carriers such as a hard disk, a compact disk (CD), a memory card, or a floppy disk.
  • Such computer program products are typically portable or fixed storage units such as those shown in FIG.
  • the storage unit may have storage segments, storage spaces, and the like that are similarly arranged to storage device 420 in the computing device of FIG.
  • the program code can be compressed, for example, in an appropriate form.
  • the storage unit comprises computer readable code 431' for performing the method steps according to the present application, ie code that can be read by a processor such as 410, which when executed by the computing device causes the computing device Perform the various steps in the method described above.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Telephone Function (AREA)

Abstract

一种电池断电方法、装置及移动终端，通过无线方式进行断电指令的广播，通过接收到断电指令的电池断电装置（2）来控制对应的移动终端电池（B）的供电连接断开第一预定时间。

Description

电池断电方法、装置及移动终端
相关申请的交叉参考
本申请要求于2015年12月9日提交中国专利局、申请号为201510907162.8、名称为“电池断电方法、装置及移动终端”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及电子电路技术，具体涉及电池断电方法、装置及移动终端。
背景技术
将电池配置为内置且不可拆卸可以一定程度地减小移动终端的体积，并为其外形设计提供更大的灵活性，因此，越来越多的移动终端采用这类电池配置方式。
通常，在移动终端的装配过程中或后续的维修过程中，需要断开电池与其它电路之间的电连接一段时间(例如，数百毫秒)，以方便对移动终端进行检测。在现有技术中，通常采用在移动终端上设置触点或机械开关的方式来实现上述电池断电操作。
但是，本申请的发明人在研究中发现，通过设置触点或机械开关实现该电池断电操作很容易由于误触碰到触点或机械开关而造成误触发断电现象。而且，在移动终端上设置触点或机械开关还会占用移动终端的外部空间，对移动终端的外形构成负面影响。
发明内容
有鉴于此，本申请提供电池断电方法、装置及移动终端，以实现无需设置触点或机械开关即可进行电池断电操作，避免误触发。
第一方面，提供一种电池断电装置，所述电池断电装置设置于带有电池的移动终端内，所述电池断电装置包括：
无线通信模块，用于接收移动终端外部的指令发射装置发送的无线信 号，并解码所述无线信号以获取到断电指令；
控制器，用于根据所述断电指令输出断电控制信号；
断电控制电路，用于根据所述断电控制信号控制电池的供电连接断开第一预定时间。
可选地，所述断电控制电路包括：
第一开关，连接在所述电池的供电连接上；
第一延时控制电路，根据所述断电控制信号控制所述第一开关关断第一预定时间。
可选地，所述断电控制电路包括：
第二开关，连接在电池的正极和移动终端的断电保护电路的触发端之间；
第二延时控制电路，根据所述断电控制信号控制所述第二开关导通第一预定时间。
可选地，所述断电控制电路包括：
第三延时控制电路，与移动终端的断电保护电路的触发端连接，用于根据所述断电控制信号向所述触发端输出持续第一预定时间的高电平。
可选地，所述无线通信模块用于，每隔第二预定时间进行一次无线信号接收。
可选地，所述控制器还用于，在接收到断电指令后，控制所述无线通信模块发送确认信号。
可选地，所述无线信号为基于通信距离小于预定距离的近距离通信协议传输的信号。
第二方面，提供一种移动终端，包括：
内置电池；以及
如上所述的电池断电装置。
第三方面，提供一种电池断电方法，所述电池断电方法包括：
接收移动终端外部的指令发射装置发送的无线信号，并解码无线信号以获取到断电指令；
根据所述断电指令控制电池供的电连接断开第一预定时间。
可选地，所述控制电池的供电连接断开第一预定时间包括：
控制连接在电池的供电连接上的第一开关关断第一预定时间。
可选地，所述控制电池的供电连接断开第一预定时间包括：
控制电池的正极与断电保护电路的触发端短路第一预定时间。
可选地，所述控制电池的供电连接断开第一预定时间包括：
向断电保护电路的触发端输出持续第一预定时间的高电平。
可选地，所述移动终端外部的指令发射装置发送的无线信号包括：
每隔第二预定时间进行一次无线信号接收。
可选地，所述电池断电方法还包括：
在接收到断电指令后，发送确认信号。
可选地，所述无线信号为基于通信距离小于预定距离的近距离通信协议传输的信号。
移动终端通过增加一个无线通信模块，在接收到无线断电信号时控制断开电池与其它电路之间的连接(也即，关断电池的供电连接)，由此，不需要设置触点或机械开关即可进行电池断电操作，避免误触发。同时，为移动终端的外形设计提供更大的灵活度。
附图概述
通过阅读下文优选实施方式的详细描述，各种其他的优点和益处对于本领域普通技术人员将变得清楚明了。附图仅用于示出优选实施方式的目的，而并不认为是对本申请的限制。而且在整个附图中，用相同的参考符号表示相同的部件。在附图中：
图1示意性地示出了本申请实施例的电池断电控制系统的结构框图；
图2a-2c示意性地示出了本申请实施例的优选实施方式的电池断电装置的结构框图；
图3示意性地示出了本申请实施例的电池断电方法的流程图；
图4示意性地示出了用于执行根据本申请实施例的天线复用方法的计算设备的框图；
图5示意性地示出了用于保持或者携带实现根据本申请实施例的天线复用方法的程序代码的存储单元。
本申请的较佳实施方式
下面将参照附图更详细地描述本公开的示例性实施例。虽然附图中显示了本公开的示例性实施例，然而应当理解，可以以各种形式实现本公开而不应被这里阐述的实施例所限制。相反，提供这些实施例是为了能够更透彻地理解本公开，并且能够将本公开的范围完整的传达给本领域的技术人员。图1示意性地示出了本申请实施例的电池断电控制系统的结构框图。
如图1所示，所述电池断电控制系统包括指令发射装置1和电池断电装置2。
指令发射装置1用于发射携带有断电指令的无线信号。所述断电指令可以为预定的二进制码序列。
同时，所述无线信号可以是基于现有无线通信接口的信号，例如，WiFi、蓝牙、红外、2.4G无线信号、近场通信(NFC)或其它基于自定义通信协议的无线信号。可选地，所述无线信号为基于近距离通信协议传输的信号，通信距离以10厘米以内为宜。也即，所述指令发射装置1和电池断电装置2基于所述通信距离小于预定距离的近距离通信协议来进行通信。由此，可以在需要逐一对移动终端进行制造装配或维修检测时，避免误触发通信范围内的其它移动终端进行断电操作。
电池断电装置2设置于移动终端T中，其中，所述移动终端T设置有内置电池B以及用于将电池电能输送到移动终端电路的供电连接。也即，所述移动终端T包括内置电池B以及电池断电装置2，以及用于维持移动终端T工作的主功能电路(也可称为主板)，所述主功能电路可以包括例如电源管理电路、断电保护电路、主控制电路、通信电路、显示电路、I/O电路等。所述移动终端可以是移动通信终端或平板电脑等具有数据处理功能的消费电子产品。在移动终端中，主功能电路P以及所述电池断电装置2均由电池B供电。
在本申请中，所述“断电”是指电池与移动终端内部的其它电路之间的电连接被断开。
电池断电装置2用于接收并解码无线信号获取信号指令，并在所述信号指令为断电指令时控制电池的供电连接断开第一预定时间。在一个可选实施 方式中，电池断电装置2可以通过设置于供电连接上的开关断开电池的供电连接，在另一个优选实施方式中，电池断电装置2利用移动终端中的断电保护功能，通过触发主功能电路的电池断电保护功能来断开电池的供电连接。具体地，电池断电装置2通过控制一个连接在断电触发引脚和电池正极之间的开关导通来触发断电保护功能或通过直接向断电触发引脚输出一个持续第一预定时间的高电平来触发断电保护功能并持续预定时间。应理解，根据实际电池和主功能电路设置的不同，可以采用其它的现有方式来触发电池的断电保护功能。
在本实施例中，由于电池断电装置2通过电池获取电能。因此，在电池的供电连接断开后，电池断电装置2也失去供电。此时，为了实现在制造或检测结束后恢复电池供电，电池断电装置2可以通过一个具有在第一预定时间内自供电功能的电路来输出一个持续第一预定时间的高电平或低电平，所述电路可以基于至少一个电容存储的电能来维持工作预定时间。控制电池供电线路的开关被控制关断或电池断电保护功能被触发,在该预定持续时间结束后，由于电量的下降，电平翻转，从而电池的供电连接重新导通。
由此，通过无线方式进行断电指令的广播，使得接收到断电指令的电池断电装置控制对应的移动终端断开电池的供电连接第一预定时间。由此，不需要设置触点或机械开关即可进行电池断电操作，避免误触发。同时，为移动终端的外形设计提供更大的灵活度。
进一步地，为了降低功耗，可以将电池断电装置2设置为每隔第二预定时间(例如每隔5分钟)进行一次无线信号接收，在接收到无线信号后进行解码以获得所述信号指令。在接收的间隙之间，电池断电装置2处于休眠状态。同时，还可以选择功耗较低的无线通信方式和电路设置方式以进一步降低电池断电装置2的功耗，最大限度地降低增设无线接收功能对于移动终端续航性能的影响。
同时，为了使得指令发射装置可以获知断电操作的状态，可以将电池断电装置2设置为在接收到断电指令后发送确认信号。所述确认信号以无线广播的方式发送或者基于断电指令中携带的指令发射装置1的标识进行发送。指令发射装置1在接收到所述确认信号后停止发射无线信号。由此，一方面可以降低发射侧功耗，另一方面，基于确认信号可以在指令发射装置1一侧 提示断电操作成功，以自动地或依赖于人工控制进行断电后检测或装配的必要操作。
具体地，指令发射装置1可以在两次无线信号的发射间隙之间进行无线信号接收。
图2a-2c示意性地示出了本申请实施例的几个优选实施方式中电池断电装置的结构框图。
如图2a-2c所示，电池断电装置2包括无线通信模块21、控制器22和断电控制电路23。
无线通信模块21用于接收并解码移动终端外部的指令发射装置发送的无线信号以获取断电指令。其中，所述无线信号可以是基于现有无线通信接口的信号，例如，WiFi、蓝牙、红外、2.4G无线信号、近场通信(NFC)或其它基于自定义的通信协议的无线信号。优选地，所述无线信号为基于近距离通信协议传输的信号，通信距离以10厘米以内为宜。由此，可以在需要逐一对移动终端进行制造装配或维修检测时，避免误触发通信范围内的其它移动终端进行断电操作。
控制器22与所述无线通信模块21以及断电控制电路连接，用于根据断电指令输出断电控制信号，以控制断电控制电路23将电池的供电连接断开第一预定时间。其中，断电指令为预定的二进制码序列。控制器22在检测到该预定的二进制码序列时输出所述断电控制信号。所述断电控制信号可以为一用于进行触发的脉冲信号。
断电控制电路23用于将电池的供电连接断开第一预定时间。可选地，断电控制电路23可以在低压驱动下工作，以使得主功能电路P能够完成复位，所述低压以能低于1.5V为宜。
在一个优选实施方式中，如图2a所示，断电控制电路23包括设置于供电连接上的第一开关23a以及第一延时控制电路23b。第一延时控制电路23b用于根据控制器22输出的断电控制信号的触发输出一个持续预定时间的高电平。由于第一延时控制电路23b并不需要较大的功耗，因此，可以通过设置一个用于储能的电容元件来在该第一预定时间内提供电能。在第一预定时间内，电容元件持续放电以维持所述高电平，在第一预定时间过后，电容元件自身电压下降，不足以维持第一延时控制电路23b继续工作，从而使得输 出的高电平切换为低电平。由此，可以在没有外部供电的条件下，在较短的时间内，仍然维持断电控制电路23的工作。在该高电平的控制下第一开关23a在第一预定时间内保持关断，从而使得电池B与其它电路的电连接被断开。并在第一预定时间过后，供电可以被恢复。
在另一个可选实施方式中，断电控制电路23包括连接在电池正极和电源控制电路的断电保护触发端之间的第二开关23c和第二延时控制电路23d。第二延时控制电路23d用于根据控制器22输出的断电控制信号的触发输出一个持续第一预定时间的高电平。在该高电平的控制下，第二开关23c被导通，使得断电保护触发端与电池正极之间连通，断电保护功能被触发，电池的供电连接断开。在第一预定时间过后，第二开关23c被关断，断电保护被取消，从而供电可以被恢复。
在另一个可选实施方式中，断电控制电路23包括第三延迟控制电路，其根据控制器22输出的断电控制信号的触发输出一个持续第一预定时间的高电平，该高电平被输出到断电保护电路，触发断电保护功能，使得在第一预定时间内从而使得电池B与其它电路的电连接被断开。并在第一预定时间过后，供电可以被恢复。
由此，不需要设置触点或机械开关即可进行电池断电操作，避免误触发。同时，为移动终端的外形设计提供更大的灵活度。在进行装配和维修中，通过内置于移动终端中的电池断电装置2即可以实现进行断电操作。
同时，为了降低系统的功耗，所述无线通信模块21可以被设置为每隔第二预定时间(例如5分钟)进行一次无线信号接收，在接收到无线信号后进行解码以获得所述信号指令。在两次接收的间隙中，控制器22可以控制无线通信模块21可以处于休眠状态。
进一步地，为了使得指令发射单元获知断电操作的状态，可以将控制器22设置为在接收到断电指令后，控制无线通信模块21发送确认信号。所述确认信号用于提示指令发射装置1断电操作完成。指令发射装置1在接收到确认信号后，可以停止发射断电指令。并且可以通过人机交互界面提示断电操作完成或者自动控制开始进行断电状态下的制造或检测操作。
图3示意性地示出了本申请实施例的电池断电方法的流程图。
如图3所示，所述方法通过指令发射装置和电池断电装置之间的通信实 现断电操作，所述方法包括：
步骤310、接收移动终端外部的无线发射机指令发射装置发送的无线信号，并解码所述无线信号以获取到断电指令。
可选地，通过每隔第二预定时间(例如5分钟)进行一次无线信号接收，可以减低系统的功耗。
步骤320、根据所述断电指令控制电池的供电连接断开第一预定时间。
具体地，断电指令可以为预定的二进制码序列。
在一个可选实施方式中，步骤320中控制电池的供电连接断开第一预定时间可以通过控制连接在电池的供电连接上的第一开关关断第一预定时间来实现。
在另一个可选实施方式中，步骤320中控制电池的供电连接断开第一预定时间可以通过控制电池正极与断电保护电路的触发端短路第一预定时间来实现。
在又一个可选实施方式中，所述控制电池的供电连接断开第一预定时间可以通过向断电保护电路的触发端输出持续第一预定时间的高电平来实现。
进一步地，为了使得指令发射单元获知断电操作的状态，所述方法还可以包括步骤320a，也即，电池断电装置在接收到断电指令后，发送确认信号。所述确认信号用于提示指令发射装置断电操作完成。所述步骤320a可以与步骤320同时进行或先于该步骤进行。指令发射装置在接收到确认信号后，可以停止发射断电指令。并且可以通过人机交互界面提示断电操作完成或者自动控制开始进行断电状态下的制造或检测操作。
由此，通过无线方式进行断电指令的广播，通过接收到断电指令的电池断电装置来控制对应的移动终端断开电池的供电连接。由此，不需要设置触点或机械开关即可进行电池断电操作，避免误触发。同时，为移动终端的外形设计提供更大的灵活度。
在此提供的算法和显示不与任何特定计算机、虚拟系统或者其它设备固有相关。各种通用系统也可以与基于在此的示教一起使用。根据上面的描述，构造这类系统所要求的结构是显而易见的。此外，本申请也不针对任何特定编程语言。应当明白，可以利用各种编程语言实现在此描述的本申请的内容，并且上面对特定语言所做的描述是为了披露本申请的最佳实施方式。
在此处所提供的说明书中，说明了大量具体细节。然而，能够理解，本申请的实施例可以在没有这些具体细节的情况下实践。在一些实例中，并未详细示出公知的方法、结构和技术，以便不模糊对本说明书的理解。
类似地，应当理解，为了精简本公开并帮助理解各个发明方面中的一个或多个，在上面对本申请的示例性实施例的描述中，本申请的各个特征有时被一起分组到单个实施例、图、或者对其的描述中。然而，并不应将该公开的方法解释成反映如下意图：即所要求保护的本申请要求比在每个权利要求中所明确记载的特征更多的特征。更确切地说，如下面的权利要求书所反映的那样，发明方面在于少于前面公开的单个实施例的所有特征。因此，遵循具体实施方式的权利要求书由此明确地并入该具体实施方式，其中每个权利要求本身都作为本申请的单独实施例。
本领域那些技术人员可以理解，可以对实施例中的设备中的模块进行自适应性地改变并且把它们设置在与该实施例不同的一个或多个设备中。可以把实施例中的模块或单元或组件组合成一个模块或单元或组件，以及此外可以把它们分成多个子模块或子单元或子组件。除了这样的特征和/或过程或者单元中的至少一些是相互排斥之外，可以采用任何组合对本说明书(包括伴随的权利要求、摘要和附图)中公开的所有特征以及如此公开的任何方法或者设备的所有过程或单元进行组合。除非另外明确陈述，本说明书(包括伴随的权利要求、摘要和附图)中公开的每个特征可以由提供相同、等同或相似目的的替代特征来代替。
此外，本领域的技术人员能够理解，尽管在此所述的一些实施例包括其它实施例中所包括的某些特征而不是其它特征，但是不同实施例的特征的组合意味着处于本申请的范围之内并且形成不同的实施例。例如，在下面的权利要求书中，所要求保护的实施例的任意之一都可以以任意的组合方式来使用。
本申请的各个部件实施例可以以硬件实现，或者以在一个或者多个处理器上运行的软件模块实现，或者以它们的组合实现。本领域的技术人员应当理解，可以在实践中使用微处理器或者数字信号处理器(DSP)来实现根据本申请实施例中的一些或者全部部件的一些或者全部功能。本申请还可以实现为用于执行这里所描述的方法的一部分或者全部的设备或者装置程序(例 如，计算机程序和计算机程序产品)。这样的实现本申请的程序可以存储在计算机可读介质上，或者可以具有一个或者多个信号的形式。这样的信号可以从因特网网站上下载得到，或者在载体信号上提供，或者以任何其他形式提供。
例如，图4示出了可以实现根据本申请的电池断电方法的计算设备。该计算设备传统上包括处理器410和以存储设备420形式的计算机程序产品或者计算机可读介质。存储设备420可以是诸如闪存、EEPROM(电可擦除可编程只读存储器)、EPROM、硬盘或者ROM之类的电子存储器。存储设备420具有存储用于执行上述方法中的任何方法步骤的程序代码431的存储空间430。例如，存储程序代码的存储空间430可以包括分别用于实现上面的方法中的各种步骤的各个程序代码431。这些程序代码可以从一个或者多个计算机程序产品中读出或者写入到这一个或者多个计算机程序产品中。这些计算机程序产品包括诸如硬盘、紧致盘(CD)、存储卡或者软盘之类的程序代码载体。这样的计算机程序产品通常为例如图5所示的便携式或者固定存储单元。该存储单元可以具有与图4的计算设备中的存储设备420类似布置的存储段、存储空间等。程序代码可以例如以适当形式进行压缩。通常，存储单元包括用于执行根据本申请的方法步骤的计算机可读代码431＇，即可以由诸如410之类的处理器读取的代码，当这些代码由计算设备运行时，导致该计算设备执行上面所描述的方法中的各个步骤。
应该注意的是上述实施例对本申请进行说明而不是对本申请进行限制，并且本领域技术人员在不脱离所附权利要求的范围的情况下可设计出替换实施例。在权利要求中，不应将位于括号之间的任何参考符号构造成对权利要求的限制。单词“包含”不排除存在未列在权利要求中的元件或步骤。位于元件之前的单词“一”或“一个”不排除存在多个这样的元件。本申请可以借助于包括有若干不同元件的硬件以及借助于适当编程的计算机来实现。在列举了若干装置的单元权利要求中，这些装置中的若干个可以是通过同一个硬件项来具体体现。单词第一、第二、以及第三等的使用不表示任何顺序。可将这些单词解释为名称。

Claims (15)

  1. 一种电池断电装置，其特征在于，所述电池断电装置设置于带有电池的移动终端内，所述电池断电装置包括：
    无线通信模块，用于接收移动终端外部的指令发射装置发送的无线信号，并解码所述无线信号以获取到断电指令；
    控制器，用于根据所述断电指令输出断电控制信号；
    断电控制电路，用于根据所述断电控制信号控制电池的供电连接断开第一预定时间。
  2. 根据权利要求1所述的电池断电装置，其特征在于，所述断电控制电路包括：
    第一开关，连接在所述电池的供电连接上；
    第一延时控制电路，根据所述断电控制信号控制所述第一开关关断第一预定时间。
  3. 根据权利要求1所述的电池断电装置，其特征在于，所述断电控制电路包括：
    第二开关，连接在电池的正极和移动终端的断电保护电路的触发端之间；
    第二延时控制电路，根据所述断电控制信号控制所述第二开关导通第一预定时间。
  4. 根据权利要求1所述的电池断电装置，其特征在于，所述断电控制电路包括：
    第三延时控制电路，与移动终端的断电保护电路的触发端连接，用于根据所述断电控制信号向所述触发端输出持续第一预定时间的高电平。
  5. 根据权利要求1所述的电池断电装置，其特征在于，所述无线通信模块用于，每隔第二预定时间进行一次无线信号接收。
  6. 根据权利要求1所述的电池断电装置，其特征在于，所述控制器还用于，在接收到断电指令后，控制所述无线通信模块发送确认信号。
  7. 根据权利要求1所述的电池断电装置，其特征在于，所述无线信号为基于通信距离小于预定距离的近距离通信协议传输的信号。
  8. 一种移动终端，其特征在于，所述移动终端包括：
    内置电池；以及
    如权利要求1-7中任一项所述的电池断电装置。
  9. 一种电池断电方法，其特征在于，所述电池断电方法包括：
    接收移动终端外部的指令发射装置发送的无线信号，并解码无线信号以获取到断电指令；
    根据所述断电指令控制电池的供电连接断开第一预定时间。
  10. 根据权利要求9所述的电池断电方法，其特征在于，所述控制电池的供电连接断开第一预定时间包括：
    控制连接在电池的供电连接上的第一开关关断第一预定时间。
  11. 根据权利要求9所述的电池断电方法，其特征在于，所述控制电池的供电连接断开第一预定时间包括：
    控制电池的正极与断电保护电路的触发端短路第一预定时间。
  12. 根据权利要求9所述的电池断电方法，其特征在于，所述控制电池的供电连接断开第一预定时间包括：
    向断电保护电路的触发端输出持续第一预定时间的高电平。
  13. 根据权利要求9所述的电池断电方法，其特征在于，所述移动终端外部的指令发射装置发送的无线信号包括：
    每隔第二预定时间进行一次无线信号接收。
  14. 根据权利要求9所述的电池断电方法，其特征在于，所述电池断电方法还包括：
    在接收到断电指令后，发送确认信号。
  15. 根据权利要求9所述的电池断电方法，其特征在于，所述无线信号为基于通信距离小于预定距离的近距离通信协议传输的信号。
PCT/CN2016/088830 2015-12-09 2016-07-06 电池断电方法、装置及移动终端 WO2017096831A1 (zh)

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