WO2017117874A1 - 接入状态检测方法、装置和终端 - Google Patents

接入状态检测方法、装置和终端 Download PDF

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Publication number
WO2017117874A1
WO2017117874A1 PCT/CN2016/077738 CN2016077738W WO2017117874A1 WO 2017117874 A1 WO2017117874 A1 WO 2017117874A1 CN 2016077738 W CN2016077738 W CN 2016077738W WO 2017117874 A1 WO2017117874 A1 WO 2017117874A1
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Prior art keywords
physical interface
curve
determining
geomagnetic
interface
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PCT/CN2016/077738
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English (en)
French (fr)
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董爱玲
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中兴通讯股份有限公司
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Publication of WO2017117874A1 publication Critical patent/WO2017117874A1/zh

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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G06F11/26—Functional testing
    • G06F11/267—Reconfiguring circuits for testing, e.g. LSSD, partitioning
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/08—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
    • G01V3/081—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices the magnetic field is produced by the objects or geological structures
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4063—Device-to-bus coupling
    • G06F13/4068—Electrical coupling
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F2213/00—Indexing scheme relating to interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F2213/0042—Universal serial bus [USB]

Definitions

  • the present invention relates to the field of communications, and in particular, to an access state detection method, apparatus, and terminal.
  • USB Universal Serial Bus
  • the charging voltage (Vcharge) 5v
  • the charging trigger signal becomes high
  • the terminal is judged to be charging, and then the screen displays an icon, prompting the user terminal to charge.
  • the charge Vcharge 0
  • the voltage of the charge trigger signal is also 0, and it is impossible to judge that the USB has been inserted.
  • the embodiment of the invention provides a method, a device and a terminal for detecting an access state, so as to solve at least the problem that the physical interface cannot be inserted into the physical interface when there is no voltage input on the physical interface in the related art.
  • an access state detecting method comprising: detecting whether a current magnetic field in a vicinity of a physical interface of a terminal is opposite to a change in a geomagnetic field when a physical interface is inserted without a ferromagnetic joint; Within the variation threshold; determining that a ferromagnetic joint is inserted into the physical interface if the change value is detected to be within the predetermined change threshold.
  • detecting whether the current geomagnetic field near the physical interface of the terminal is within a predetermined variation threshold relative to a change value of the geomagnetic field when the physical interface is not inserted into the physical interface includes: drawing a vicinity of the physical interface Determining a first X/Y curve of the current geomagnetic field; determining whether an offset value of an origin of the first X/Y curve and an origin of the second X/Y curve is within the predetermined variation threshold, wherein the The two X/Y curve is an X/Y curve of a geomagnetic field in the vicinity of the physical interface drawn when no ferromagnetic joint is inserted into the physical interface; in the case where it is determined that the offset value is within the predetermined variation threshold Next, determining that the change value is within the predetermined change threshold.
  • the method before the physical magnetic field in the vicinity of the physical interface of the detecting terminal is relative to the change value of the geomagnetic field when the physical interface is not inserted into the physical interface, the method further includes: Drawing a third X/Y curve of the geomagnetic field near the physical interface when no ferromagnetic joint is inserted into the physical interface; having a ferromagnetic joint When inserting the physical interface, drawing a fourth X/Y curve of the geomagnetism near the physical interface; determining according to an origin coordinate of the third X/Y curve and an origin coordinate of the fourth X/Y curve The predetermined change threshold.
  • the method further comprises: determining an operating state of the physical interface.
  • determining the working state of the physical interface includes: determining whether a voltage on the physical interface is lower than a preset value; determining that the voltage on the physical interface is lower than the preset In the case of a value, the working state of the physical interface is determined to be an unconnected state.
  • determining whether the voltage on the physical interface is lower than the preset value comprises: determining a voltage of a charging trigger signal of the USB interface Whether it is lower than the preset value.
  • an access state detecting apparatus comprising: a detecting module configured to detect a current magnetic field near a physical interface of the terminal relative to a ground when the physical interface is inserted without a ferromagnetic joint Whether the change value of the magnetic field is within a predetermined change threshold; the first determining module is configured to determine that a ferromagnetic joint is inserted into the physical interface if the change value is detected to be within the predetermined change threshold.
  • the detecting module includes: a drawing unit configured to draw a first X/Y curve of the current geomagnetic field in the vicinity of the physical interface; and a first determining unit configured to determine the first Whether the offset value of the origin of the X/Y curve and the origin of the second X/Y curve is within the predetermined variation threshold, wherein the second X/Y curve is when no physical connection is inserted into the physical interface Drawing an X/Y curve of a geomagnetic field in the vicinity of the physical interface; a first determining unit configured to determine that the change value is in the case of determining that the offset value is within the predetermined change threshold Within the predetermined change threshold.
  • the device further includes: a determining module, configured to determine an operating state of the physical interface.
  • the determining module includes: a second determining unit, configured to determine whether the voltage on the physical interface is lower than a preset value; and the second determining unit is configured to determine that the physical interface is In the case that the voltage is lower than the preset value, it is determined that the working state of the physical interface is an unconnected state.
  • a terminal further includes: a physical interface, a geomagnetic chip, and a processor, wherein: the geomagnetic chip is disposed at a preset distance from the physical interface, and is set to be collected. Geomagnetic field information; the processor is connected to the geomagnetic chip, configured to process geomagnetic field information collected by the geomagnetic chip, and according to the processing result, determine whether a ferromagnetic joint is inserted into the physical interface.
  • whether the change value of the geomagnetic field when the current geomagnetic field near the physical interface of the detecting terminal is inserted into the physical interface without the ferromagnetic joint is within a predetermined change threshold; when the detected change value is at a predetermined change threshold
  • it is determined that the ferromagnetic joint is inserted into the physical interface which solves the problem that the physical interface cannot be inserted into the physical interface when there is no voltage input on the physical interface, and the voltage is free on the physical interface.
  • FIG. 1 is a flowchart of an access state detecting method according to an embodiment of the present invention.
  • FIG. 2 is a block diagram showing the structure of an access state detecting apparatus according to an embodiment of the present invention.
  • FIG. 3 is a block diagram 1 of an optional structure of an access state detecting apparatus according to an embodiment of the present invention.
  • FIG. 4 is a block diagram 2 of an optional structure of an access state detecting apparatus according to an embodiment of the present invention.
  • FIG. 5 is a block diagram 3 of an optional structure of an access state detecting apparatus according to an embodiment of the present invention.
  • FIG. 6 is a structural block diagram of an access state detecting terminal according to an embodiment of the present invention.
  • FIG. 7 is a first schematic diagram of a geomagnetic field X/Y curve of an access state detecting method according to an alternative embodiment of the present invention.
  • FIG. 8 is a second schematic diagram of a geomagnetic field X/Y curve of an access state detecting method according to an alternative embodiment of the present invention.
  • FIG. 9 is a flowchart of a method for determining a USB insertion state of a terminal according to an alternative embodiment of the present invention.
  • FIG. 1 is a flowchart of an access state detection method according to an embodiment of the present invention. As shown in FIG. 1, the process includes the following steps:
  • Step S102 detecting whether a current magnetic field near the physical interface of the terminal is within a predetermined change threshold with respect to a change value of the geomagnetic field when the physical interface is not inserted into the physical interface;
  • Step S104 if it is detected that the change value is within the predetermined change threshold, it is determined that the ferromagnetic joint is inserted into the physical interface.
  • the geomagnetic field near the physical interface changes, and when the physical interface and the position of the ferromagnetic chip for detecting the geomagnetic field information are relatively fixed, the change value of the geomagnetic field will be within a certain range, the geomagnetic field near the physical interface can be detected and compared with the geomagnetic field when the physical interface is not inserted into the physical interface, and whether the ferromagnetic joint is inserted into the physical interface according to the change value of the geomagnetic field is determined. When falling within a certain range, it can be determined that a ferromagnetic joint is inserted into the physical interface.
  • the above steps solve the problem that the physical interface can not determine whether the physical interface has a ferromagnetic joint inserted when there is no voltage input on the physical interface in the related art, and realize whether the physical interface has a ferromagnetic joint when there is no voltage input on the physical interface. insert.
  • the vicinity of the physical interface of the terminal refers to a position that can detect a change in the magnetic field when the ferromagnetic connector is inserted into the physical interface, for example, on the terminal.
  • the physical interface is on the same side.
  • the physical interfaces of the embodiments of the present invention include, but are not limited to, an audio input/output physical interface, a current input/output physical interface, and the like, for example, a high definition multimedia interface (HDMI), a USB interface, a headphone interface, a network cable interface, a power interface, and the like.
  • HDMI high definition multimedia interface
  • USB USB interface
  • headphone interface a network cable interface
  • power interface a power interface
  • the electromagnetic chip can use the magnetoresistive sensor to sense the three components of the X, Y and Z axes of the Earth's magnetic field strength, and draw the X/Y curve of the geomagnetic field.
  • the curve can represent the magnetic field strength of the XY direction on the horizontal plane.
  • the magnetic hysteresis effect occurs due to the influence of the material of the ferromagnetic joint on the magnetic field, causing a change in the center of the X/Y curve of the geomagnetic field.
  • the center of the X/Y curve of the geomagnetic field changes, and the change can be expressed.
  • the origin of the geomagnetic field X/Y curve near the physical interface when the ferromagnetic joint is inserted into the physical interface will deviate from the origin of the geomagnetic field X/Y curve near the physical interface when the ferromagnetic joint is inserted into the physical interface, and
  • the offset value of the origin will be within a certain range.
  • the origin offset value of the X/Y curve of the geomagnetic field can be determined by the preset range.
  • the predetermined change threshold for example, in the above step S102, the first X/Y curve of the current geomagnetic field near the physical interface may be drawn, and the origin of the first X/Y curve may be determined.
  • the offset value of the origin of the second X/Y curve of the geomagnetic field near the physical interface drawn when the ferromagnetic joint is inserted into the physical interface is within a predetermined change threshold, and the change value is determined to be Within the variation threshold.
  • the geomagnetic field X/Y curve in the vicinity of the physical interface drawn when the physical interface is inserted without the ferromagnetic joint and the X/Y curve in the vicinity of the physical interface drawn when the ferromagnetic joint is inserted into the physical interface may be used.
  • the coordinate change between the two determines the predetermined variation threshold.
  • the third X/Y curve of the geomagnetism near the physical interface can be drawn without the ferromagnetic joint inserted into the physical interface, and the ferromagnetic field is present.
  • the fourth X/Y curve of the geomagnetic field near the physical interface is drawn, and the predetermined variation threshold is determined according to the origin coordinate of the third X/Y curve and the origin coordinate of the fourth X/Y curve.
  • the preset value for example, the voltage that the physical interface should have in the normal charging state
  • the USB interface can be judged by determining whether the voltage of the charging trigger signal of the USB interface is zero (or lower than a preset value).
  • the working state wherein, when the voltage of the charging trigger signal is zero (or lower than a preset value), it is determined that the working state of the USB interface is an uncharged state (ie, the USB connector and the USB interface are not normally connected).
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods of various embodiments of the present invention.
  • an access state detecting device is also provided, which is used to implement the above-mentioned embodiments and preferred embodiments, and has not been described again.
  • the term “module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • the apparatus includes: a detecting module 22 and a first determining module 24, wherein the detecting module 22 is configured to detect the physicality of the terminal. Whether the current geomagnetic field near the interface is within a predetermined variation threshold relative to the change in the geomagnetic field when the physical interface is not inserted into the physical interface; the first determining module 24, coupled to the detection module 22, is configured to detect a change in the predetermined value In the case of a threshold, it is determined that a ferromagnetic joint is inserted into the physical interface.
  • FIG. 3 is a block diagram of an optional structure of an access state detecting apparatus according to an embodiment of the present invention.
  • the detecting module 22 includes: a drawing unit 32, a first determining unit 34, and a first determining unit.
  • the drawing unit 32 is configured to draw a first X/Y curve of the current geomagnetic field near the physical interface;
  • the first determining unit 34 is coupled to the drawing unit 32, and is configured to determine the origin of the first X/Y curve and Whether the offset value of the origin of the second X/Y curve is within a predetermined variation threshold, wherein the second X/Y curve is an X/Y curve of the geomagnetic field near the physical interface drawn when no ferromagnetic joint is inserted into the physical interface
  • the first determining unit 36 coupled to the first determining unit 34, is configured to determine that the change value is within a predetermined change threshold if it is determined that the offset value is within a predetermined change threshold.
  • the apparatus may further include: a first drawing module, a second drawing module, and a second determining module, wherein the first drawing module is configured to draw the physical interface when the physical interface is not inserted into the physical interface. a third X/Y curve of the nearby geomagnetic field; a second rendering module coupled to the first rendering module, configured to draw a fourth X/Y curve of the geomagnetic field near the physical interface when the ferromagnetic joint is inserted into the physical interface And a second determining module coupled between the second drawing module and the first determining module 24, configured to determine a predetermined change threshold according to an origin coordinate of the third X/Y curve and an origin coordinate of the fourth X/Y curve.
  • FIG. 4 is a block diagram 2 of an optional structure of an access state detecting apparatus according to an embodiment of the present invention.
  • the apparatus further includes: a determining module 42 coupled to the first determining module 24, configured to Determine the working status of the physical interface.
  • FIG. 5 is a block diagram 3 of an optional structure of an access state detecting apparatus according to an embodiment of the present invention.
  • the determining module 42 includes: a second determining unit 52 and a second determining unit 54, wherein The second determining unit 52 is configured to determine whether the voltage on the physical interface is lower than a preset value.
  • the second determining unit 54 is coupled to the second determining unit 52, and is configured to determine that the voltage on the physical interface is lower than the preset. In the case of a value, it is determined that the working state of the physical interface is an unconnected state.
  • the second determining unit 52 is further configured to: when the physical interface is a USB interface, Determine whether the voltage of the charging trigger signal of the USB interface is lower than a preset value.
  • FIG. 6 is a structural block diagram of an access state detecting terminal according to an embodiment of the present invention.
  • the terminal includes: a physical interface 62, a geomagnetic chip 64, and a processor. 66, wherein: the geomagnetic chip 64 is disposed at a predetermined distance from the physical interface 62, and is configured to collect geomagnetic field information; the processor 66 is connected to the geomagnetic chip 64 and configured to process the geomagnetic field information collected by the geomagnetic chip 64, According to the processing result, it is judged whether or not a ferromagnetic joint is inserted into the physical interface.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are located in multiple In the processor.
  • Embodiments of the present invention also provide a software for performing the technical solutions described in the above embodiments and preferred embodiments.
  • Embodiments of the present invention also provide a storage medium.
  • the above storage medium may be configured to store program code for performing the following steps:
  • Step S102 detecting whether a current magnetic field near the physical interface of the terminal is within a predetermined change threshold with respect to a change value of the geomagnetic field when the physical interface is not inserted into the physical interface;
  • Step S104 if it is detected that the change value is within the predetermined change threshold, it is determined that the ferromagnetic joint is inserted into the physical interface.
  • the foregoing storage medium may include, but is not limited to, a USB flash drive, a Read-Only Memory (ROM), and a Random Access Memory (RAM).
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • An alternative embodiment of the present invention provides a terminal for USB charging detection.
  • the USB carrier When the USB carrier is inserted, it will affect the magnetic field around the geomagnetic chip.
  • the geomagnetic chip detects the change of the nearby magnetic field, it can determine the USB insertion compared with the initial geomagnetic field state.
  • the USB charging detection terminal includes: a geomagnetic chip, a baseband processor, and a display module, wherein the baseband processor is configured to process information of the geomagnetic chip and determine a level of a charging trigger signal of the USB interface;
  • the display module is configured to implement interaction with the user;
  • the geomagnetic chip is configured to collect geomagnetic field information.
  • An alternative embodiment of the present invention utilizes a geomagnetic correction algorithm to correct the geomagnetic field around the USB interface.
  • the magnetic field at the USB interface of the terminal changes, resulting in a shift in the center position of the X/Y curve of the geomagnetic field;
  • the center position offset value of the X/Y curve of the geomagnetic field above the position is fixed, and the offset of the center of the magnetic field is compared to determine:
  • FIG. 7 is a schematic diagram 1 of the geomagnetic field X/Y curve of the access state detecting method according to an alternative embodiment of the present invention. As shown in FIG. 7, the horizontal plane is drawn without interference.
  • the X/Y curve of the upper geomagnetic field is a circle whose center is at the origin.
  • 8 is a schematic diagram 2 of a geomagnetic field X/Y curve of an access state detecting method according to an alternative embodiment of the present invention. As shown in FIG. 8, interference occurs in a ferromagnetic material (Hard-iron, for example, iron, cobalt, nickel).
  • Hard-iron for example, iron, cobalt, nickel
  • the lower center will be offset from the origin, and the effect of Hard-iron will decrease as the distance between the geomagnetic chip and the Hard-iron increases.
  • the ground magnet chip can be placed near the USB cradle by using a USB holder of 304 stainless steel (sus304) or the like.
  • An alternative embodiment of the present invention provides a method for determining a USB insertion state of a terminal, and then determining whether the terminal is charging by determining a charging trigger signal of the USB interface, and implementing interaction with the user on the screen.
  • FIG. 9 is a flowchart of a method for determining a USB insertion state of a terminal according to an alternative embodiment of the present invention. As shown in FIG. 9, the process includes the following steps:
  • the geomagnetic chip is disposed in the vicinity of the USB cradle;
  • S910 Output user interaction information according to a user setting.
  • the method provided by the embodiment of the present invention and the optional embodiment can determine that there is no power charging input after the terminal USB connector is inserted, and promptly remind the user that the charging state is abnormal at present, and the current solution is solved.
  • the Vcharge input voltage must be used to determine the state of charge.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the foregoing technical solution provided by the embodiment of the present invention can be applied to the detection process of the access state, and whether the change value of the geomagnetic field when the current geomagnetic field near the physical interface of the detecting terminal is inserted into the physical interface without the ferromagnetic joint is used.
  • the predetermined change threshold when the change value is detected within the predetermined change threshold, the method of inserting the ferromagnetic joint into the physical interface is determined, and the related art cannot determine whether the physical interface has a voltage input on the physical interface.
  • the problem of the insertion of the ferromagnetic joint realizes whether the physical interface has a ferromagnetic joint insertion when there is no voltage input on the physical interface.

Abstract

本发明提供了一种接入状态检测方法、装置和终端。其中，该方法包括：检测终端的物理接口附近当前地磁场相对于没有铁磁接头插入所述物理接口时的地磁场的变化值是否在预定变化门限内；在检测到变化值在预定变化门限内的情况下，确定有铁磁接头插入物理接口。通过本发明，解决了相关技术中在物理接口上无电压输入时无法判断物理接口是否有铁磁接头插入的问题，实现了在物理接口上无电压输入时判断物理接口是否有铁磁接头插入。

Description

接入状态检测方法、装置和终端 技术领域
本发明涉及通信领域，具体而言，涉及一种接入状态检测方法、装置和终端。
背景技术
在给终端充电的时候，有可能遇到终端的物理接口(例如：通用串行总线(Universal Serial Bus，简称为USB))的插入松了或是充电座子端接触不好，导致终端充电没有输入电压，这时候终端不会提示充电有问题。这种情况会造成用户误以为终端已经连接上充电器并开始充电，而实际上并没能正常充电的问题，使用户充电不及时，浪费时间。
目前，在终端充电技术中，只有在USB已经有电源输入，例如，充电电压(Vcharge)＝5v的情况下，充电触发信号变高，判断终端在充电，然后屏幕显示图标，提示用户终端在充电。而对于插头插入接口时，没有电源输入的情况，是无法判断的：此时充电Vcharge＝0，充电触发信号的电压也是为0，无法判断到USB已经插入的状态。
针对相关技术中在物理接口上无电压输入时无法判断物理接口是否有铁磁接头插入的问题，目前尚未提出有效的解决方案。
发明内容
本发明实施例提供了一种接入状态检测方法、装置和终端，以至少解决相关技术中在物理接口上无电压输入时无法判断物理接口是否有铁磁接头插入的问题。
根据本发明的一个实施例，提供了一种接入状态检测方法，包括：检测终端的物理接口附近当前地磁场相对于没有铁磁接头插入所述物理接口时的地磁场的变化值是否在预定变化门限内；在检测到所述变化值在所述预定变化门限内的情况下，确定有铁磁接头插入所述物理接口。
在本发明实施例中，检测终端的物理接口附近当前地磁场相对于没有铁磁接头插入所述物理接口时的地磁场的变化值是否在预定变化门限内包括：绘制所述物理接口附近的所述当前地磁场的第一X/Y曲线；判断所述第一X/Y曲线的原点和第二X/Y曲线的原点的偏移值是否在所述预定变化门限内，其中，所述第二X/Y曲线为在没有铁磁接头插入所述物理接口时绘制的所述物理接口附近的地磁场的X/Y曲线；在判断到所述偏移值在所述预定变化门限内的情况下，确定所述变化值在所述预定变化门限内。
在本发明实施例中，在检测终端的物理接口附近当前地磁场相对于没有铁磁接头插入所述物理接口时的地磁场的变化值是否在预定变化门限内之前，所述方法还包括：在没有铁磁接头插入所述物理接口时，绘制所述物理接口附近的地磁场的第三X/Y曲线；在有铁磁接头 插入所述物理接口时，绘制所述物理接口附近的地磁场的第四X/Y曲线；根据所述第三X/Y曲线的原点坐标和所述第四X/Y曲线的原点坐标，确定所述预定变化门限。
在本发明实施例中，在确定有所述铁磁接头插入所述物理接口之后，所述方法还包括：判断所述物理接口的工作状态。
在本发明实施例中，判断所述物理接口的工作状态包括：判断所述物理接口上的电压是否低于预设值；在判断到所述物理接口上的所述电压低于所述预设值的情况下，确定所述物理接口的所述工作状态为未连接状态。
在本发明实施例中，在所述物理接口为USB接口的情况下，判断所述物理接口上的所述电压是否低于所述预设值包括：判断所述USB接口的充电触发信号的电压是否低于所述预设值。
根据本发明的另一个实施例，还提供了一种接入状态检测装置，包括：检测模块，设置为检测终端的物理接口附近当前地磁场相对于没有铁磁接头插入所述物理接口时的地磁场的变化值是否在预定变化门限内；第一确定模块，设置为在检测到所述变化值在所述预定变化门限内的情况下，确定有铁磁接头插入所述物理接口。
在本发明实施例中，所述检测模块包括：绘制单元，设置为绘制所述物理接口附近的所述当前地磁场的第一X/Y曲线；第一判断单元，设置为判断所述第一X/Y曲线的原点和第二X/Y曲线的原点的偏移值是否在所述预定变化门限内，其中，所述第二X/Y曲线为在没有铁磁接头插入所述物理接口时绘制的所述物理接口附近的地磁场的X/Y曲线；第一确定单元，设置为在判断到所述偏移值在所述预定变化门限内的情况下，确定所述变化值在所述预定变化门限内。
在本发明实施例中，所述装置还包括：判断模块，设置为判断所述物理接口的工作状态。
在本发明实施例中，所述判断模块包括：第二判断单元，设置为判断所述物理接口上的电压是否低于预设值；第二确定单元，设置为在判断到所述物理接口上的所述电压低于所述预设值的情况下，确定所述物理接口的所述工作状态为未连接状态。
根据本发明的另一个实施例，还提供了一种终端，包括：物理接口、地磁芯片和处理器，其中：所述地磁芯片，设置在距离所述物理接口预设距离的位置，设置为采集地磁场信息；所述处理器，与所述地磁芯片连接，设置为处理所述地磁芯片采集到的地磁场信息，并根据处理结果，判断是否有铁磁接头插入所述物理接口。
通过本发明实施例，采用检测终端的物理接口附近当前地磁场相对于没有铁磁接头插入所述物理接口时的地磁场的变化值是否在预定变化门限内；在检测到变化值在预定变化门限内的情况下，确定有铁磁接头插入物理接口的方式，解决了相关技术中在物理接口上无电压输入时无法判断物理接口是否有铁磁接头插入的问题，实现了在物理接口上无电压输入时判断物理接口是否有铁磁接头插入。
附图说明
此处所说明的附图用来提供对本发明的进一步理解，构成本申请的一部分，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1是根据本发明实施例的接入状态检测方法的流程图；
图2是根据本发明实施例的接入状态检测装置的结构框图；
图3是根据本发明实施例的接入状态检测装置的可选结构框图一；
图4是根据本发明实施例的接入状态检测装置的可选结构框图二；
图5是根据本发明实施例的接入状态检测装置的可选结构框图三；
图6是根据本发明实施例的接入状态检测终端的结构框图；
图7是根据本发明可选实施例的接入状态检测方法的地磁场X/Y曲线示意图一；
图8是根据本发明可选实施例的接入状态检测方法的地磁场X/Y曲线示意图二；
图9是根据本发明可选实施例的终端USB插入状态的判断方法的流程图。
具体实施方式
下文中将参考附图并结合实施例来详细说明本发明。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组合。
需要说明的是，本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。
在本实施例中提供了一种接入状态检测方法，图1是根据本发明实施例的接入状态检测方法的流程图，如图1所示，该流程包括如下步骤：
步骤S102，检测终端的物理接口附近当前地磁场相对于没有铁磁接头插入物理接口时的地磁场的变化值是否在预定变化门限内；
步骤S104，在检测到变化值在预定变化门限内的情况下，确定有铁磁接头插入物理接口。
通过上述步骤，由于铁磁接头插入物理接口时会导致物理接口附近的地磁场变化，并且，当物理接口和用于检测地磁场信息的铁磁芯片位置相对固定时，地磁场的变化值将在一定的范围内，可以通过对物理接口附近的地磁场进行检测，并与没有铁磁接头插入物理接口时的地磁场比较，根据地磁场的变化值判断是否有铁磁接头插入物理接口，在变化值落入一定范围内时，可以确定有铁磁接头插入物理接口。可见，采用上述步骤，解决了相关技术中在物理接口上无电压输入时无法判断物理接口是否有铁磁接头插入的问题，实现了在物理接口上无电压输入时判断物理接口是否有铁磁接头插入。
需要说明的是，在本发明实施例和可选实施例中终端的物理接口附近指的是可以检测到在有铁磁接头插入物理接口时地磁场产生的变化的位置，例如，在终端上与物理接口处于同侧的位置。
本发明实施例的物理接口包括但不限于：音频输入/输出物理接口、电流输入/输出物理接口等，例如：高清晰度多媒体接口(HDMI)、USB接口、耳机接口、网线接口、电源接口等。
基于磁阻效应，电磁芯片可以利用磁阻传感器感测地球磁场强度在X，Y，Z轴的三个分量，绘制地磁场X/Y曲线，该曲线可以表示水平面上XY方向地磁场强度，插入铁磁接头时，由于铁磁接头的材质会对磁场产生影响，产生磁迟滞效应，从而引起地磁场X/Y曲线的圆心的变化。
可选地，根据上述原理，由于在有铁磁接头插入物理接口时，铁磁插头对物理接口附近的地磁场产生影响，从而使地磁场X/Y曲线的圆心发生变化，这种变化可以表现为：有铁磁接头插入物理接口时的物理接口附近的地磁场X/Y曲线的原点将偏离没有铁磁接头插入物理接口时的物理接口附近的地磁场X/Y曲线的原点，并且，当物理接口和用于检测地磁场信息的铁磁芯片位置相对固定时，原点的偏移值将在一定的范围内，因此，可以通过判断地磁场X/Y曲线的原点偏移值再预设范围内，确定地磁场的变化值在预定变化门限内，例如，在上述步骤S102中，可以通过绘制物理接口附近的当前地磁场的第一X/Y曲线，并判断第一X/Y曲线的原点和在没有铁磁接头插入物理接口时绘制的物理接口附近的地磁场的第二X/Y曲线的原点的偏移值在预定变化门限内，确定变化值在预定变化门限内。
可选地，可以根据在没有铁磁接头插入物理接口时绘制的物理接口附近的地磁场X/Y曲线和在有铁磁接头插入物理接口时绘制的物理接口附近的地磁场X/Y曲线之间的坐标变化，确定上述预定变化门限，例如，在上述步骤S102之前，可以在没有铁磁接头插入物理接口时，绘制物理接口附近的地磁场的第三X/Y曲线，并在有铁磁接头插入物理接口时，绘制物理接口附近的地磁场的第四X/Y曲线，再根据第三X/Y曲线的原点坐标和第四X/Y曲线的原点坐标，确定预定变化门限。
在判断到物理接口已经被插入了铁磁插头之后，则可认为用户目前希望该物理接口工作在连接状态。此时，可以检测物理接口上一些或者全部的连接线上的电压，从而判断该物理接口是否处于因接触不良、器件损坏等导致的未连接状态。
可选地，可以判断物理接口上的电压是否低于(或等于)预设值，并且在判断到物理接口上的电压低于(或等于)预设值的情况下，可以确定物理接口的工作状态为未连接状态。反之，若判断到物理接口上的电压不低于预设值(例如，正常充电状态下物理接口应有的电压)的情况下，则确定物理接口的工作状态为连接状态。
例如，在采用的物理接口为USB接口，并利用该USB接口为终端充电的情况下，可以通过判断USB接口的充电触发信号的电压是否为零(或者低于预设值)，判断USB接口的工作状态；其中，在充电触发信号的电压为零(或者低于预设值)的情况下，确定USB接口的工作状态为未充电状态(即USB接头与USB接口正常未连接)。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到根据上述实施例的方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台终端设备(可以是手机，计算机，服务器，或者网络设备等)执行本发明各个实施例的方法。
在本实施例中还提供了一种接入状态检测装置，该装置用于实现上述实施例及优选实施方式，已经进行过说明的不再赘述。如以下所使用的，术语“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置较佳地以软件来实现，但是硬件，或者软件和硬件的组合的实现也是可能并被构想的。
图2是根据本发明实施例的接入状态检测装置的结构框图，如图2所示，该装置包括：检测模块22和第一确定模块24，其中，检测模块22，设置为检测终端的物理接口附近当前地磁场相对于没有铁磁接头插入物理接口时的地磁场的变化值是否在预定变化门限内；第一确定模块24，耦合至检测模块22，设置为在检测到变化值在预定变化门限内的情况下，确定有铁磁接头插入物理接口。
图3是根据本发明实施例的接入状态检测装置的可选结构框图一，可选地，如图3所示，检测模块22包括：绘制单元32、第一判断单元34和第一确定单元36，其中，绘制单元32，设置为绘制物理接口附近的当前地磁场的第一X/Y曲线；第一判断单元34，耦合至绘制单元32，设置为判断第一X/Y曲线的原点和第二X/Y曲线的原点的偏移值是否在预定变化门限内，其中，第二X/Y曲线为在没有铁磁接头插入物理接口时绘制的物理接口附近的地磁场的X/Y曲线；第一确定单元36，耦合至第一判断单元34，设置为在判断到偏移值在预定变化门限内的情况下，确定变化值在预定变化门限内。
在本发明实施例中，上述装置还可以包括：第一绘制模块、第二绘制模块和第二确定模块，其中，第一绘制模块，设置为在没有铁磁接头插入物理接口时，绘制物理接口附近的地磁场的第三X/Y曲线；第二绘制模块，耦合至第一绘制模块，设置为在有铁磁接头插入物理接口时，绘制物理接口附近的地磁场的第四X/Y曲线；第二确定模块，耦合至第二绘制模块和第一确定模块24之间，设置为根据第三X/Y曲线的原点坐标和第四X/Y曲线的原点坐标，确定预定变化门限。
图4是根据本发明实施例的接入状态检测装置的可选结构框图二，可选地，如图4所示，上述装置还包括：判断模块42，耦合至第一确定模块24，设置为判断物理接口的工作状态。
图5是根据本发明实施例的接入状态检测装置的可选结构框图三，可选地，如图5所示，上述判断模块42包括：第二判断单元52和第二确定单元54，其中，第二判断单元52，设置为判断物理接口上的电压是否低于预设值；第二确定单元54，耦合至第二判断单元52，设置为在判断到物理接口上的电压低于预设值的情况下，确定物理接口的工作状态为未连接状态。
在本发明实施例中，上述第二判断单元52还设置为：在物理接口为USB接口的情况下， 判断USB接口的充电触发信号的电压是否低于预设值。
在本实施例中还提供了一种终端，图6是根据本发明实施例的接入状态检测终端的结构框图，如图6所示，上述终端包括：物理接口62、地磁芯片64和处理器66，其中：地磁芯片64，设置在距离物理接口62预设距离的位置，设置为采集地磁场信息；处理器66，与地磁芯片64连接，设置为处理地磁芯片64采集到的地磁场信息，并根据处理结果，判断是否有铁磁接头插入物理接口。
需要说明的是，上述各个模块是可以通过软件或硬件来实现的，对于后者，可以通过以下方式实现，但不限于此：上述模块均位于同一处理器中；或者，上述模块分别位于多个处理器中。
本发明的实施例还提供了一种软件，该软件用于执行上述实施例及优选实施方式中描述的技术方案。
本发明的实施例还提供了一种存储介质。在本实施例中，上述存储介质可以被设置为存储用于执行以下步骤的程序代码：
步骤S102，检测终端的物理接口附近当前地磁场相对于没有铁磁接头插入物理接口时的地磁场的变化值是否在预定变化门限内；
步骤S104，在检测到变化值在预定变化门限内的情况下，确定有铁磁接头插入物理接口。
可选地，在本实施例中，上述存储介质可以包括但不限于：U盘、只读存储器(Read-Only Memory，简称为ROM)、随机存取存储器(Random Access Memory，简称为RAM)、移动硬盘、磁碟或者光盘等各种可以存储程序代码的介质。
为了使本发明实施例的描述更加清楚，下面结合可选实施例进行描述和说明。
本发明可选实施例提供了一种USB充电检测的终端。当USB座子插入的时候，会对地磁芯片周边的磁场产生影响，地磁芯片检测到附近磁场的发生变化时，跟初设的地磁场状态对比，可以判断出USB的插入。
本发明可选实施例提供的USB充电检测的终端包括：地磁芯片、基带处理器、显示模块，其中，基带处理器，设置为处理地磁芯片的信息、判断USB接口的充电触发信号的电平；显示模块，设置为实现和用户的交互；地磁芯片，设置为采集地磁场信息。
本发明可选实施例利用地磁校正算法，对USB接口周围的地磁场进行校正，当USB插入后，引起终端USB接口处磁场变化，导致地磁场的X/Y曲线的中心位置偏移；固定的位置上面的地磁场的X/Y曲线的中心位置偏移值是固定的，对比磁场中心的偏移量，进行判断：
当地磁场的X/Y曲线的中心位置偏移值与初设状态对比在一定的范围内时，可判定出USB已经插入，然后对USB接口的充电触发信号的电平进行检测，如果Vcharge＝0，充电触发信号的电压也是0，则判定为USB虽然已经插入，但终端并未正常充电。此时可以通过显示模块对用户进行提醒，告知用户充电未成功开始，请用户检测USB接口是否正常插入。显 示模块也可以同时进行语音报错提醒，或者文字提示。
下面结合附图对本发明可选实施例进行说明。
地磁芯片的指向依据是磁场的方向，图7是根据本发明可选实施例的接入状态检测方法的地磁场X/Y曲线示意图一，如图7所示，在不干扰的情况下绘制水平面上的地磁场的X/Y曲线为一个圆心在原点的圆。图8是根据本发明可选实施例的接入状态检测方法的地磁场X/Y曲线示意图二，如图8所示，在铁磁性材料(Hard-iron，例如，铁、钴、镍)干扰下圆心会偏移原点，Hard-iron的影响将随着地磁芯片与Hard-iron之间距离的增加而減弱，当Hard-iron部件的位置与地磁芯片(Compass)固定时，根据上述特性可以通过去除补偿(offset)来校准。利用USB座子为304不锈钢(sus304)材质等，可以把地磁芯片设置在USB座子的附近。
本发明可选实施例提出了一种终端USB插入状态的判断方法，再通过判断USB接口的充电触发信号，获取终端是否充电的信息，在屏幕上面实现与用户的交互。
图9是根据本发明可选实施例的终端USB插入状态的判断方法的流程图，如图9所示，该流程包括如下步骤：
S902，将地磁芯片设置在USB座子的附近；
S904，启动终端，进行地磁初设状态校正，记录USB插入后磁场的变化X0/Y0的值；
S906，在关机，待机等状态下开启小系统，使地磁芯片工作在最省终端资源的模式，地磁芯片实时的读取地磁场的圆心X/Y的变化；
S908，当地磁场变化的时候，曲线圆心X/Y发生变化，对比X/Y与X0/Y0的值，变化值在一定的范围内时，判断USB已经插入，再判断USB接口的充电触发信号，如果充电触发信号为0，可以判断充电USB没有输入；
S910，根据用户的设置，输出用户交互信息。
综上所述，通过本发明实施例和可选实施例提供的方法可以判断在终端USB连接器插入后，却没有电源充电输入的情况，并及时提醒用户此时充电状态不正常，解决了目前充电过程中，必须有Vcharge输入电压才能判断充电状态的问题。
显然，本领域的技术人员应该明白，上述的本发明的各模块或各步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，可选地，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在存储装置中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤，或者将它们分别制作成各个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样，本发明不限制于任何特定的硬件和软件结合。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
工业实用性
本发明实施例提供的上述技术方案，可以应用于接入状态的检测过程中，采用检测终端的物理接口附近当前地磁场相对于没有铁磁接头插入所述物理接口时的地磁场的变化值是否在预定变化门限内；在检测到变化值在预定变化门限内的情况下，确定有铁磁接头插入物理接口的方式，解决了相关技术中在物理接口上无电压输入时无法判断物理接口是否有铁磁接头插入的问题，实现了在物理接口上无电压输入时判断物理接口是否有铁磁接头插入。

Claims (11)

  1. 一种接入状态检测方法，包括：
    检测终端的物理接口附近当前地磁场相对于没有铁磁接头插入所述物理接口时的地磁场的变化值是否在预定变化门限内；
    在检测到所述变化值在所述预定变化门限内的情况下，确定有铁磁接头插入所述物理接口。
  2. 根据权利要求1所述的方法，其中，检测终端的物理接口附近当前地磁场相对于没有铁磁接头插入所述物理接口时的地磁场的变化值是否在预定变化门限内包括：
    绘制所述物理接口附近的所述当前地磁场的第一X/Y曲线；
    判断所述第一X/Y曲线的原点和第二X/Y曲线的原点的偏移值是否在所述预定变化门限内，其中，所述第二X/Y曲线为在没有铁磁接头插入所述物理接口时绘制的所述物理接口附近的地磁场的X/Y曲线；
    在判断到所述偏移值在所述预定变化门限内的情况下，确定所述变化值在所述预定变化门限内。
  3. 根据权利要求1所述的方法，其中，在检测终端的物理接口附近当前地磁场相对于没有铁磁接头插入所述物理接口时的地磁场的变化值是否在预定变化门限内之前，所述方法还包括：
    在没有铁磁接头插入所述物理接口时，绘制所述物理接口附近的地磁场的第三X/Y曲线；
    在有铁磁接头插入所述物理接口时，绘制所述物理接口附近的地磁场的第四X/Y曲线；
    根据所述第三X/Y曲线的原点坐标和所述第四X/Y曲线的原点坐标，确定所述预定变化门限。
  4. 根据权利要求1至3中任一项所述的方法，其中，在确定有所述铁磁接头插入所述物理接口之后，所述方法还包括：
    判断所述物理接口的工作状态。
  5. 根据权利要求4所述的方法，其中，判断所述物理接口的工作状态包括：
    判断所述物理接口上的电压是否低于预设值；
    在判断到所述物理接口上的所述电压低于所述预设值的情况下，确定所述物理接口的所述工作状态为未连接状态。
  6. 根据权利要求5所述的方法，其中，在所述物理接口为USB接口的情况下，判断所述物 理接口上的所述电压是否低于所述预设值包括：
    判断所述USB接口的充电触发信号的电压是否低于所述预设值。
  7. 一种接入状态检测装置，包括：
    检测模块，设置为检测终端的物理接口附近当前地磁场相对于没有铁磁接头插入所述物理接口时的地磁场的变化值是否在预定变化门限内；
    第一确定模块，设置为在检测到所述变化值在所述预定变化门限内的情况下，确定有铁磁接头插入所述物理接口。
  8. 根据权利要求7所述的装置，其中，所述检测模块包括：
    绘制单元，设置为绘制所述物理接口附近的所述当前地磁场的第一X/Y曲线；
    第一判断单元，设置为判断所述第一X/Y曲线的原点和第二X/Y曲线的原点的偏移值是否在所述预定变化门限内，其中，所述第二X/Y曲线为在没有铁磁接头插入所述物理接口时绘制的所述物理接口附近的地磁场的X/Y曲线；
    第一确定单元，设置为在判断到所述偏移值在所述预定变化门限内的情况下，确定所述变化值在所述预定变化门限内。
  9. 根据权利要求7或8所述的装置，其中，所述装置还包括：
    判断模块，设置为判断所述物理接口的工作状态。
  10. 根据权利要求9所述的装置，其中，所述判断模块包括：
    第二判断单元，设置为判断所述物理接口上的电压是否低于预设值；
    第二确定单元，设置为在判断到所述物理接口上的所述电压低于所述预设值的情况下，确定所述物理接口的所述工作状态为未连接状态。
  11. 一种终端，包括：物理接口、地磁芯片和处理器，其中：
    所述地磁芯片，设置在距离所述物理接口预设距离的位置，设置为采集地磁场信息；
    所述处理器，与所述地磁芯片连接，设置为处理所述地磁芯片采集到的地磁场信息，并根据处理结果，判断是否有铁磁接头插入所述物理接口。
PCT/CN2016/077738 2016-01-05 2016-03-29 接入状态检测方法、装置和终端 WO2017117874A1 (zh)

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