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CN107635046A - A kind of earth's magnetic field method of adjustment and device - Google Patents

A kind of earth's magnetic field method of adjustment and device Download PDF

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Publication number
CN107635046A
CN107635046A CN201610567495.5A CN201610567495A CN107635046A CN 107635046 A CN107635046 A CN 107635046A CN 201610567495 A CN201610567495 A CN 201610567495A CN 107635046 A CN107635046 A CN 107635046A
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CN
China
Prior art keywords
earth
magnetic field
mobile terminal
angle compensation
field angle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201610567495.5A
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Chinese (zh)
Inventor
孙东平
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ZTE Corp
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ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN201610567495.5A priority Critical patent/CN107635046A/en
Priority to PCT/CN2016/099250 priority patent/WO2018014444A1/en
Publication of CN107635046A publication Critical patent/CN107635046A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/38Testing, calibrating, or compensating of compasses

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  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Secondary Cells (AREA)

Abstract

The invention provides a kind of earth's magnetic field method of adjustment and device, wherein, the earth's magnetic field method of adjustment includes:Detect the charging operations of mobile terminal;When detecting the charging operations of the mobile terminal, default earth's magnetic field angle compensation value is obtained, wherein, the earth's magnetic field angle compensation value is the numerical value according to determined by electric charge movement degree of the battery of the mobile terminal in charging process;According to the earth's magnetic field angle compensation value, the pole orientation data in the earth's magnetic field detected by the attitude sensor part inside the mobile terminal are corrected.Technical scheme provided by the invention can reduce the geomagnetic noise problem caused by battery of mobile terminal internal charge moves in charging process.

Description

A kind of earth's magnetic field method of adjustment and device
Technical field
The present invention relates to communication technical field, more particularly to a kind of earth's magnetic field method of adjustment and device.
Background technology
In technical field of electronic communication, interference problem is always urgent problem in R&D process.For mobile whole For end, have much to the factor disturbed caused by earth's magnetic field around mobile terminal, there is external environmental factor, depend primarily on shifting The use environment of dynamic terminal, also internal interference factor, such as motor, camera, receiver, the cabling of high current, in addition, Research finds that the charging process of battery also can produce larger interference to earth's magnetic field.In battery charging process, electric charge can produce phase To violent movement, electric charge movement can then produce magnetic field, so as to produce interference to earth's magnetic field, influence earth magnetism in mobile terminal and sense The sensing of device.And the different battery of internal structure, the mobile degree of electric charge is different in charging process, and is produced from earth's magnetic field Raw interference is also different.
The content of the invention
The embodiments of the invention provide a kind of earth's magnetic field method of adjustment and device, to solve charging process pair in the prior art Earth's magnetic field produces the problem of interference around mobile terminal.
In order to solve the above-mentioned technical problem, the present invention adopts the following technical scheme that:
The embodiments of the invention provide a kind of earth's magnetic field method of adjustment, including:
Detect the charging operations of mobile terminal;
When detecting the charging operations of the mobile terminal, default earth's magnetic field angle compensation value is obtained, wherein, it is described Earth's magnetic field angle compensation value is the number according to determined by electric charge movement degree of the battery of the mobile terminal in charging process Value;
According to the earth's magnetic field angle compensation value, to detected by the attitude sensor part inside the mobile terminal The pole orientation data in earth's magnetic field are corrected.
Further, the step of acquisition default earth's magnetic field angle compensation value includes:
Determine the mark resistance value of the battery of the mobile terminal;
According to the mark resistance value, the earth's magnetic field angle compensation value is determined.
Further, described according to the mark resistance value, the step of determining the earth's magnetic field angle compensation value, includes:
According to the earth's magnetic field angle compensation value list being pre-stored in the mobile terminal, it is determined that identifying resistance value pair with described The earth's magnetic field angle compensation value answered;
Wherein, the information in earth's magnetic field angle compensation value list includes:At least one mark resistance value, each mark electricity value Battery production manufacturer's information corresponding to the corresponding earth's magnetic field angle compensation value of resistance and each mark resistance.
Other side according to the embodiment of the present invention, there is provided a kind of earth's magnetic field adjusting apparatus, including:
Detection module, for detecting the charging operations of mobile terminal;
Acquisition module, during charging operations for detecting the mobile terminal when the detection module, obtain default Earth's magnetic field angle compensation value, wherein, the earth's magnetic field angle compensation value is the battery according to the mobile terminal in charging process In electric charge movement degree determined by numerical value;
Adjusting module, for the earth's magnetic field angle compensation value according to acquired in the acquisition module, to the movement The pole orientation data in the earth's magnetic field detected by the attitude sensor part of terminal inner are corrected.
Further, the acquisition module includes:
First determining unit, the mark resistance value of the battery for determining the mobile terminal;
Second determining unit, for according to the mark resistance value, determining the earth's magnetic field angle compensation value.
Further, second determining unit is specifically used for:According to the earth magnetism rink corner being pre-stored in the mobile terminal Degree compensation value list, it is determined that earth's magnetic field angle compensation value corresponding with the mark resistance value;
Wherein, the information in earth's magnetic field angle compensation value list includes:At least one mark resistance value, each mark electricity value Battery production manufacturer's information corresponding to the corresponding earth's magnetic field angle compensation value of resistance and each mark resistance.
The beneficial effects of the invention are as follows:
Above-mentioned technical proposal, can adaptively different internal structure battery of mobile terminal carry out earth's magnetic field data point reuse, Reduce the geomagnetic noise problem caused by battery of mobile terminal internal charge moves in charging process.
Brief description of the drawings
Fig. 1 represents the flow chart for the earth's magnetic field method of adjustment that first embodiment of the invention provides;
Fig. 2 represents the flow chart for the example that first embodiment of the invention provides;
Fig. 3 represents the block diagram for the earth's magnetic field adjusting apparatus that second embodiment of the invention provides.
Embodiment
The exemplary embodiment of the present invention is more fully described below with reference to accompanying drawings.Although the present invention is shown in accompanying drawing Exemplary embodiment, it being understood, however, that may be realized in various forms the present invention without should be by embodiments set forth here Limited.Conversely, there is provided these embodiments are to be able to be best understood from the present invention, and can be by the scope of the present invention Completely it is communicated to those skilled in the art.
First embodiment
The embodiments of the invention provide a kind of earth's magnetic field method of adjustment, and referring to Fig. 1, the earth's magnetic field method of adjustment includes:
S101, the charging operations for detecting mobile terminal.
Whether namely detection mobile terminal is charging.
S102, when detecting the charging operations of mobile terminal, obtain default earth's magnetic field angle compensation value.
Wherein, angle compensation value in earth's magnetic field is the electric charge movement degree institute according to the battery of mobile terminal in charging process The numerical value of determination.
Because the internal structure of the battery of different battery production manufacturers production is different, the different battery of internal structure, fill The mobile degree of electric charge also differs in electric process, and different degrees of electric charge movement, to the earth magnetism place around mobile terminal Caused interference also differs, therefore need to be directed to the degree movement of electric charge in charging process, definitely magnetic field angle offset.
S103, base area magnetic field angle offset, to the ground detected by the attitude sensor part inside mobile terminal Field pole bearing data is corrected.
When charging process produces interference to the earth's magnetic field around mobile terminal, the ground detected by attitude sensor part Field pole direction can be varied from, so as to influence mobile terminal according to judgement of the pole orientation to geographic orientation.For example, move The currently practical geographic orientation of dynamic terminal is 10 ° of north by east, but due to the interference charged to earth's magnetic field around mobile terminal, makes shifting Pole orientation that dynamic terminal detects occurs, and the current geographic orientation for causing mobile terminal to be judged is 15 ° of north by east, then this When need to correct the pole orientation data that detect, carry out angle compensation, such as make pole orientation data to up time direction 5 ° of adjustment.
So, the error of the geomagnetic data in charging process detected by geomagnetism detecting device can be reduced, reduced to using To the influence of the application (such as compass, electronic navigation) of attitude sensor part.
Preferably, geomagnetism detecting device is geomagnetic sensor in the embodiment of the present invention.Of course, it should be understood that can also It is the device that other can carry out geomagnetism detecting.
Wherein, the battery of standard typically has 4 pins, is the mark of the positive pole of battery, the negative pole of battery, battery respectively The temperature pin of pin and battery.The positive pole and negative pole of battery are exactly the both positive and negative polarity of voltage.The temperature pin of battery, it is main and one Individual thermo-sensitive resistor is connected, and carries out the collection of internal temperature of battery.And connected between battery identification pin and the negative pole of inside battery The resistance of certain resistance, wherein battery that different battery production manufacturers are generated, the resistance value of its inside battery series connection differs Sample, so can be directly by different resistance values, it is determined that the earth magnetism rink corner needed for the charging process of the battery of corresponding mobile terminal Spend offset.It is, in definitely magnetic field angle offset, the mark resistance of battery of mobile terminal can be first determined (i.e. The resistance connected between above-mentioned battery identification pin and the negative pole of inside battery) value, then according to mark resistance value, it is determined that accordingly Earth's magnetic field angle compensation value.
Further, can prestore an earth's magnetic field angle compensation value list in mobile terminal in advance, when needed, according to The earth's magnetic field angle compensation value list, it is determined that earth's magnetic field angle compensation value corresponding with mark resistance value.Wherein, earth's magnetic field angle Information in compensation value list includes:At least one mark resistance value, the corresponding earth's magnetic field angle of each mark electricity value resistance are mended Repay battery production manufacturer's information corresponding to value and each mark resistance.
Further, when the base area magnetic field angle offset magnetic pole acquired in magnetic devices over the ground in charging process After bearing data is corrected, the error amount of pole orientation data and actual pole orientation data after correcting is may compare, if by mistake Difference exceedes default error range, then by the pole orientation data before correction and earth's magnetic field corresponding with battery of mobile terminal angle Offset uploads onto the server, as server by the pole orientation data before correction and earth's magnetic field corresponding with battery of mobile terminal Angle compensation value is issued to battery production manufacturer, carries out the modification of earth's magnetic field angle compensation value.
To further understand earth's magnetic field method of adjustment provided in an embodiment of the present invention, it is illustrated, is joined with an example below See Fig. 2, as described below:
Assuming that mobile terminal is mobile phone, attitude sensor part is geomagnetic sensor, then earth's magnetic field adjustment side in the example Method is:
Whether S201, detection mobile phone are charging, if it has, then into S202;If it has not, then continue to detect.
S202, the resistance value for identifying resistance for reading mobile phone cell inner, subsequently into S203.
The resistance value that S203, basis are read, the production firm of battery of mobile phone is determined, subsequently into S204.
S204, the production firm according to determination, it is determined that the corresponding earth magnetism with battery of mobile phone that the production firm is produced Rink corner degree offset, subsequently into S205.
S205, the earth's magnetic field angle compensation value according to determination, the magnetic pole data detected to geomagnetic sensor are corrected.
In summary, earth's magnetic field method of adjustment provided in an embodiment of the present invention, it is capable of the shifting of adaptive different internal structure Dynamic end cell carries out earth's magnetic field data point reuse, reduces in charging process caused by battery of mobile terminal internal charge moves Geomagnetic noise problem.
Second embodiment
The embodiments of the invention provide a kind of earth's magnetic field adjusting apparatus, referring to Fig. 3, including:
Detection module 301, for detecting the charging operations of mobile terminal.
Whether namely detection mobile terminal is charging.
Acquisition module 302, during charging operations for detecting mobile terminal when detection module 301, obtain defaultly Magnetic field angle offset.
Wherein, angle compensation value in earth's magnetic field is the electric charge movement degree institute according to the battery of mobile terminal in charging process The numerical value of determination.
Because the internal structure of the battery of different battery production manufacturers production is different, the different battery of internal structure, fill The mobile degree of electric charge also differs in electric process, and different degrees of electric charge movement, to the earth magnetism place around mobile terminal Caused interference also differs, therefore need to be directed to the degree movement of electric charge in charging process, definitely magnetic field angle offset.
Adjusting module 303, for the earth's magnetic field angle compensation value according to acquired in acquisition module 302, in mobile terminal The pole orientation data in the earth's magnetic field detected by the attitude sensor part in portion are corrected.
When charging process produces interference to the earth's magnetic field around mobile terminal, the ground detected by attitude sensor part Field pole direction can be varied from, so as to influence mobile terminal according to judgement of the pole orientation to geographic orientation.For example, move The currently practical geographic orientation of dynamic terminal is 10 ° of north by east, but due to the interference charged to earth's magnetic field around mobile terminal, makes shifting Pole orientation that dynamic terminal detects occurs, and the current geographic orientation for causing mobile terminal to be judged is 15 ° of north by east, then this When need to correct the pole orientation data that detect, carry out angle compensation, such as make pole orientation data to up time direction 5 ° of adjustment.
So, the error of the geomagnetic data in charging process detected by geomagnetism detecting device can be reduced, reduced to using To the influence of the application (such as compass, electronic navigation) of attitude sensor part.
Preferably, geomagnetism detecting device is geomagnetic sensor in the embodiment of the present invention.Of course, it should be understood that can also It is the device that other can carry out geomagnetism detecting.
Further, the acquisition module 302 includes:
First determining unit, the mark resistance value of the battery for determining mobile terminal.
Second determining unit, for according to mark resistance value, definitely magnetic field angle offset.
Wherein, the battery of standard typically has 4 pins, is the mark of the positive pole of battery, the negative pole of battery, battery respectively The temperature pin of pin and battery.The positive pole and negative pole of battery are exactly the both positive and negative polarity of voltage.The temperature pin of battery, it is main and one Individual thermo-sensitive resistor is connected, and carries out the collection of internal temperature of battery.And connected between battery identification pin and the negative pole of inside battery The resistance (identifying resistance) of certain resistance, wherein the battery that different battery production manufacturers are generated, the series connection of its inside battery Resistance value it is different, so can be directly by different resistance values, it is determined that the charging process institute of the battery of corresponding mobile terminal The earth's magnetic field angle compensation value needed.
Further, the second determining unit is specifically used for:According to the earth's magnetic field angle compensation being pre-stored in mobile terminal Value list, it is determined that earth's magnetic field angle compensation value corresponding with mark resistance value.
Wherein, the information in earth's magnetic field angle compensation value list includes:At least one mark resistance value, each mark electricity value Battery production manufacturer's information corresponding to the corresponding earth's magnetic field angle compensation value of resistance and each mark resistance.
Further, when the base area magnetic field angle offset magnetic pole acquired in magnetic devices over the ground in charging process After bearing data is corrected, the error amount of pole orientation data and actual pole orientation data after correcting is may compare, if by mistake Difference exceedes default error range, then by the pole orientation data before correction and earth's magnetic field corresponding with battery of mobile terminal angle Offset uploads onto the server, as server by the pole orientation data before correction and earth's magnetic field corresponding with battery of mobile terminal Angle compensation value is issued to battery production manufacturer, carries out the modification of earth's magnetic field angle compensation value.
In summary, earth's magnetic field adjusting apparatus provided in an embodiment of the present invention, it is capable of the shifting of adaptive different internal structure Dynamic end cell carries out earth's magnetic field data point reuse, reduces in charging process caused by battery of mobile terminal internal charge moves Geomagnetic noise problem.
Above-described is the preferred embodiment of the present invention, it should be pointed out that is come for the ordinary person of the art Say, some improvements and modifications can also be made under the premise of principle of the present invention is not departed from, and these improvements and modifications also exist In protection scope of the present invention.

Claims (6)

  1. A kind of 1. earth's magnetic field method of adjustment, it is characterised in that including:
    Detect the charging operations of mobile terminal;
    When detecting the charging operations of the mobile terminal, default earth's magnetic field angle compensation value is obtained, wherein, the earth magnetism Rink corner degree offset is the numerical value according to determined by electric charge movement degree of the battery of the mobile terminal in charging process;
    According to the earth's magnetic field angle compensation value, to the earth magnetism detected by the attitude sensor part inside the mobile terminal The pole orientation data of field are corrected.
  2. 2. earth's magnetic field method of adjustment according to claim 1, it is characterised in that described to obtain default earth's magnetic field angle benefit The step of repaying value includes:
    Determine the mark resistance value of the battery of the mobile terminal;
    According to the mark resistance value, the earth's magnetic field angle compensation value is determined.
  3. 3. earth's magnetic field method of adjustment according to claim 2, it is characterised in that it is described according to the mark resistance value, really The step of fixed earth's magnetic field angle compensation value, includes:
    According to the earth's magnetic field angle compensation value list being pre-stored in the mobile terminal, it is determined that corresponding with the mark resistance value Earth's magnetic field angle compensation value;
    Wherein, the information in earth's magnetic field angle compensation value list includes:At least one mark resistance value, each mark electricity value resistance institute Battery production manufacturer's information corresponding to corresponding earth's magnetic field angle compensation value and each mark resistance.
  4. A kind of 4. earth's magnetic field adjusting apparatus, it is characterised in that including:
    Detection module, for detecting the charging operations of mobile terminal;
    Acquisition module, during charging operations for detecting the mobile terminal when the detection module, obtain default earth magnetism Rink corner degree offset, wherein, the earth's magnetic field angle compensation value is the battery according to the mobile terminal in charging process Numerical value determined by electric charge movement degree;
    Adjusting module, for the earth's magnetic field angle compensation value according to acquired in the acquisition module, to the mobile terminal The pole orientation data in the earth's magnetic field detected by internal attitude sensor part are corrected.
  5. 5. earth's magnetic field adjusting apparatus according to claim 4, it is characterised in that the acquisition module includes:
    First determining unit, the mark resistance value of the battery for determining the mobile terminal;
    Second determining unit, for according to the mark resistance value, determining the earth's magnetic field angle compensation value.
  6. 6. earth's magnetic field adjusting apparatus according to claim 5, it is characterised in that second determining unit is specifically used for: According to the earth's magnetic field angle compensation value list being pre-stored in the mobile terminal, it is determined that earth magnetism corresponding with the mark resistance value Rink corner degree offset;
    Wherein, the information in earth's magnetic field angle compensation value list includes:At least one mark resistance value, each mark electricity value resistance institute Battery production manufacturer's information corresponding to corresponding earth's magnetic field angle compensation value and each mark resistance.
CN201610567495.5A 2016-07-19 2016-07-19 A kind of earth's magnetic field method of adjustment and device Pending CN107635046A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201610567495.5A CN107635046A (en) 2016-07-19 2016-07-19 A kind of earth's magnetic field method of adjustment and device
PCT/CN2016/099250 WO2018014444A1 (en) 2016-07-19 2016-09-18 Method and device for geomagnetic field adjustment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610567495.5A CN107635046A (en) 2016-07-19 2016-07-19 A kind of earth's magnetic field method of adjustment and device

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WO (1) WO2018014444A1 (en)

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CN110086563A (en) * 2019-04-30 2019-08-02 努比亚技术有限公司 A kind of method of controlling rotation, equipment and computer readable storage medium
CN111538321A (en) * 2019-01-22 2020-08-14 科沃斯机器人股份有限公司 Control method and device of self-moving equipment, equipment and computer readable storage medium
CN111854721A (en) * 2020-07-30 2020-10-30 北京小米移动软件有限公司 Geomagnetic data correction method and device and electronic equipment
CN114577236A (en) * 2022-02-22 2022-06-03 惠州Tcl移动通信有限公司 Geomagnetic calibration method and device, electronic equipment and computer-readable storage medium
CN115348351A (en) * 2021-05-14 2022-11-15 北京小米移动软件有限公司 Magnetic field detection method, device, terminal and storage medium

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CN111538321A (en) * 2019-01-22 2020-08-14 科沃斯机器人股份有限公司 Control method and device of self-moving equipment, equipment and computer readable storage medium
CN111538321B (en) * 2019-01-22 2022-05-17 科沃斯机器人股份有限公司 Control method and device of self-moving equipment, equipment and computer readable storage medium
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CN111854721A (en) * 2020-07-30 2020-10-30 北京小米移动软件有限公司 Geomagnetic data correction method and device and electronic equipment
CN115348351A (en) * 2021-05-14 2022-11-15 北京小米移动软件有限公司 Magnetic field detection method, device, terminal and storage medium
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CN114577236A (en) * 2022-02-22 2022-06-03 惠州Tcl移动通信有限公司 Geomagnetic calibration method and device, electronic equipment and computer-readable storage medium

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