CN107806943A - A kind of coil temperature detection method and mobile terminal - Google Patents
A kind of coil temperature detection method and mobile terminal Download PDFInfo
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- CN107806943A CN107806943A CN201710970786.3A CN201710970786A CN107806943A CN 107806943 A CN107806943 A CN 107806943A CN 201710970786 A CN201710970786 A CN 201710970786A CN 107806943 A CN107806943 A CN 107806943A
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- coil
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K7/00—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements
- G01K7/36—Measuring temperature based on the use of electric or magnetic elements directly sensitive to heat ; Power supply therefor, e.g. using thermoelectric elements using magnetic elements, e.g. magnets, coils
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K2217/00—Temperature measurement using electric or magnetic components already present in the system to be measured
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Abstract
The present invention, which provides a kind of coil temperature detection method and mobile terminal, this method, to be included：When meeting testing conditions, the coil is controlled to be connected with DC power supply circuit, so that the electric current of the DC power supply circuit flows through the coil；Obtain the DC voltage value and DC current values of the coil；The impedance value of the coil is calculated according to the DC voltage value of the coil and DC current values；The temperature value of the coil is determined according to impedance and temperature relation corresponding to the impedance value and the coil.In the embodiment of the present invention, by the impedance value of detection coil, and the temperature value of coil is determined according to the relation of impedance and temperature, so as to improve the degree of accuracy of coil temperature detection.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of coil temperature detection method and mobile terminal.
Background technology
Wireless charging is a kind of following main flow charging technique, without charging wire, as long as being placed into desktop or hand held
On it is i.e. chargeable.Principle is to launch the magnetic field of high-energy by transmitting coil to connect to the receiving coil of mobile phone terminal, receiving coil
Receive magnetic field energy and be converted to electric energy and charged.At present because energy is launched and received by coil, on coil
Impedance effect be present, cause inevitable fever phenomenon during charging.It is serious in order to avoid generating heat in the prior art, generally exist
Coil peripherals set the temperature of thermistor detection coil, and adjust charging current according to the temperature level of coil.Due to temperature-sensitive
There is certain temperature difference in the temperature of resistance detection, therefore the degree of accuracy detected is poor with the temperature of coil in itself.
The content of the invention
The embodiment of the present invention provides a kind of coil temperature detection method and mobile terminal, accurate to solve coil temperature detection
Spend the problem of poor.
In order to solve the above-mentioned technical problem, the present invention is realized in：When meeting testing conditions, control the coil with
DC power supply circuit connects, so that the electric current of the DC power supply circuit flows through the coil；Obtain the direct current of the coil
Pressure value and DC current values；The impedance value of the coil is calculated according to the DC voltage value of the coil and DC current values；Root
The temperature value of the coil is determined according to impedance and temperature relation corresponding to the impedance value and the coil.
In a first aspect, when meeting testing conditions the embodiments of the invention provide one kind, the coil and dc source are controlled
Circuit connects, so that the electric current of the DC power supply circuit flows through the coil；
Obtain the DC voltage value and DC current values of the coil；
The impedance value of the coil is calculated according to the DC voltage value of the coil and DC current values；
The temperature value of the coil is determined according to impedance and temperature relation corresponding to the impedance value and the coil.
Second aspect, the embodiment of the present invention additionally provide a kind of mobile terminal, and the mobile terminal includes coil, control core
Piece and the DC power supply circuit for providing direct current；
The control chip is used for when meeting testing conditions, controls the coil to be connected with DC power supply circuit, so that
The electric current of the DC power supply circuit flows through the coil, obtains the DC voltage value and DC current values of the coil, according to
The DC voltage value and DC current values of the coil calculate the impedance value of the coil；According to the impedance value and the line
Impedance corresponding to circle and temperature relation determine the temperature value of the coil.
The third aspect, the embodiment of the present invention additionally provide a kind of mobile terminal, including processor, memory and are stored in institute
The computer program that can be run on memory and on the processor is stated, when the computer program is by the computing device
The step of realizing above-mentioned coil temperature detection method.
So, in the embodiment of the present invention, line is determined by the impedance value of detection coil, and according to the relation of impedance and temperature
The temperature value of circle, so as to improve the degree of accuracy of coil temperature detection.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, needed for being described below to the embodiment of the present invention
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention,
For those of ordinary skill in the art, without having to pay creative labor, can also be obtained according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the flow chart of coil temperature detection method provided in an embodiment of the present invention；
Fig. 2 is temperature and impedance corresponding relation schematic diagram in coil temperature detection method provided in an embodiment of the present invention；
Fig. 3 is for realizing one of circuit structure diagram of coil temperature detection method provided in an embodiment of the present invention；
Fig. 4 is for realizing the two of the circuit structure diagram of coil temperature detection method provided in an embodiment of the present invention；
Fig. 5 is for realizing one of circuit structure diagram of coil temperature detection method provided in an embodiment of the present invention；
Fig. 6 is the structure chart of mobile terminal provided in an embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Referring to Fig. 1, Fig. 1 is a kind of flow chart of coil temperature detection method provided in an embodiment of the present invention, such as Fig. 1 institutes
Show, comprise the following steps：
Step 101, when meeting testing conditions, the coil is controlled to be connected with DC power supply circuit, so that the direct current
The electric current of source circuit flows through the coil；
Coil temperature detection method provided in an embodiment of the present invention is mainly used in mobile terminal, for the temperature to coil
Degree is detected.
In the step, above-mentioned coil is preferably charge coil, is also applied to other in actual applications certainly and is used for
Received or the coil launched in, it is not further herein to be limited.
Above-mentioned testing conditions can be configured according to being actually needed, for example, can pre-set in the charge state every
Preset time triggers one-time detection condition, and the input operation that can also receive user triggers the testing conditions.
Above-mentioned DC power supply circuit is used to provide direct current, when meeting testing conditions, the direct current of DC power supply circuit
Flow through coil.
Step 102, the DC voltage value and DC current values of the coil are obtained.
In the step, when the direct current of DC power supply circuit flows through coil, the DC voltage value and direct current of coil are obtained
Current value.In the present embodiment, obtain the coil DC voltage value and DC current values mode can according to be actually needed into
Row is set, for example, obtaining the DC voltage value of the coil and DC current values mode includes partial pressure detection, constant current detection or permanent
This is described in detail for pressure detection, following examples.
Step 103, the impedance value of the coil is calculated according to the DC voltage value of the coil and DC current values；
Step 104, impedance and temperature relation determine the coil according to corresponding to the impedance value and the coil
Temperature value.
In the present embodiment, DC impedance value is different at different temperatures for above-mentioned coil, can be counted according to Ohm's law
Calculate and obtain the current impedance value of coil, the current temperature of coil is determined so as to the impedance according to the coil and the relation of temperature
Value.Wherein, the impedance of coil and the relation of temperature are as shown in Fig. 2 the impedance of the coil at different temperatures can be measured in advance
It is worth (Point1, Point2, Point3 and Point4 correspond to amount impedance value in such as Fig. 2), so as to be fitted to obtain impedance and temperature
Graph of a relation (i.e. curve map), same relation figure can be used for the coil of same material, the graph of a relation can be pre- advanced
Row storage, in the temperature of measuring coil, the current temperature of coil can be obtained according to the current impedance value inquiry for calculating acquisition
Value.
So, in the embodiment of the present invention, line is determined by the impedance value of detection coil, and according to the relation of impedance and temperature
The temperature value of circle, so as to improve the degree of accuracy of coil temperature detection.
It is corresponding straight for the mode of the different DC voltage values and DC current values for obtaining the coil when explanation
It is different to flow the structure of power circuit, this is described in detail below.
The first situation：When DC voltage value and DC current values that the coil is obtained by the way of partial pressure detection
When, the DC power supply circuit includes the first divider resistance and dc source, described to control the coil and DC power supply circuit
Connection, so that the electric current of the DC power supply circuit flows through the coil and included：
After controlling the coil to be connected with first divider resistance, the output end of the dc source is connected to.
In the present embodiment, obtained by the way of partial pressure detection and state the DC voltage value and DC current values of coil, then on
It can be common dc source to state dc source, specifically, corresponding controlling switch can be set in DC power supply circuit, led to
After control chip output control signal is crossed to control the coil to be connected with first divider resistance, the direct current is connected to
The output end in source.As shown in figure 3, the DC power supply circuit also includes first switch pipe Q1 and second switch pipe Q2, described the
One switching tube Q1 control terminal is connected with the control chip U, for the first end for controlling the coil L and the dc source
01 positive output end connection, the second switch pipe Q2 and control terminal be connected with the control chip U, for controlling the line
Circle L the second end is connected by the first divider resistance R1 with earth terminal (i.e. the negative output terminal of dc source 01).
In the present embodiment, above-mentioned control chip U can detect the magnitude of voltage V1u and V1d at the coil L both ends respectively,
So as to obtain coil L magnitude of voltage V1u-V1d, and by V1d/R1 acquisition coils L current value, therefore can be according to V1u-
V1d/ (V1d/R1) can obtain coil L impedance value.Wherein, above-mentioned first switch pipe Q1 and second switch pipe Q2 can be three
Pole pipe or FET.
It should be noted that the concrete structure of above-mentioned DC power supply circuit can also be expanded according to above-mentioned embodiment
Exhibition, for example, the first divider resistance of series connection could be arranged to multiple, two output ends of dc source can be interchangeable, and may be used also
To change position of first switch pipe and second switch pipe etc., will not enumerate herein.
Second of situation：When DC voltage value and DC current values that the coil is obtained by the way of constant current detection
When, the DC power supply circuit includes constant-current dc power supply, and the control coil is connected with DC power supply circuit, so that institute
The electric current for stating DC power supply circuit flows through the coil and included：
Control the first end of the coil to be connected with the positive output end of the constant-current dc power supply, and control the coil
Second end is connected with earth terminal.
In the present embodiment, the DC voltage value and DC current values for stating coil are obtained by the way of constant current detection, also may be used
To set corresponding controlling switch in DC power supply circuit, by control chip output control signal to control the constant current straight
The electric current of stream power supply flows through the coil.As shown in figure 4, above-mentioned DC power supply circuit is also opened including the 3rd switching tube Q3 and the 4th
Pipe Q4 is closed, wherein the control terminal of the 3rd switching tube Q3 is connected with the control chip U, for controlling the of the coil L
One end is connected with the positive output end of the constant-current dc power supply 02, control terminal and the control chip of the 4th switching tube Q4
Connection, for controlling the second end of the coil L to be connected with earth terminal (i.e. the negative output terminal of constant-current dc power supply 02).
In the present embodiment, the voltage at the above-mentioned control chip U detections ends of coil L second can obtain coil L both ends
Magnitude of voltage V2, and according to the current value I2 of the constant-current dc power supply 02 prestored, you can calculate the current impedance values of coil L
V2/I2.Wherein, above-mentioned 3rd switching tube Q3 and the 4th switching tube Q4 can be triode or FET.
It should be noted that the concrete structure of above-mentioned DC power supply circuit can also be expanded according to above-mentioned embodiment
Exhibition, for example, increase resistance in coil L DC loop and change position of the 3rd switching tube and the 4th switching tube etc.,
This will not enumerate.
The third situation：When DC voltage value and DC current values that the coil is obtained by the way of constant pressure detection
When, the DC power supply circuit includes the second divider resistance and constant-voltage DC source, described to control the coil and dc source
Circuit connects, so that the electric current of the DC power supply circuit flows through the coil and included：
Control the first end of the coil to be connected with the positive output end of the constant-voltage DC source, and control the coil
Second end is connected by second divider resistance with earth terminal.
In the present embodiment, obtained by the way of constant pressure detection and state the DC voltage value and DC current values of coil, can be with
Corresponding controlling switch is set in DC power supply circuit, by control chip output control signal to control the coil and institute
The second divider resistance concatenation is stated, and controls the electric current of the constant-voltage DC source by the coil and second divider resistance
Series circuit.As shown in figure 5, the DC power supply circuit also includes the 5th switching tube Q5 and the 6th switching tube Q6, wherein institute
The control terminal for stating the 5th switching tube Q5 is connected with the control chip U, for the first end for controlling the coil and the constant pressure
The positive output end connection of dc source 03, the control terminal of the 6th switching tube Q6 is connected with the control chip U, for controlling
The second end of the coil L is connected by the second divider resistance R2 and earth terminal (i.e. the negative output terminal of constant-voltage DC source 03)
Connect.Wherein, above-mentioned 5th switching tube Q5 and the 6th switching tube Q6 can be triode or FET.
In the present embodiment, control chip U can be with the voltage V3d at the ends of detection coil L second, then according to the perseverance prestored
The magnitude of voltage V3 of dc source is pressed to calculate the magnitude of voltage V3-Vd3 for obtaining coil L both ends, and according to the voltage at the ends of coil L second
V3d and the second divider resistance R2 size calculate the current value V3d/R2 for obtaining coil L, from can calculate the resistance that obtains coil L
Anti- value (V3-Vd3)/(V3d/R2).
It should be noted that the concrete structure of above-mentioned DC power supply circuit can also be expanded according to above-mentioned embodiment
Exhibition, for example, the second divider resistance of series connection could be arranged to multiple, two output ends of dc source can be interchangeable, and may be used also
To change position of the 5th switching tube and the 6th switching tube etc., will not enumerate herein.
Further, the present invention also provides a kind of mobile terminal, it is characterised in that the mobile terminal includes coil, control
Coremaking piece and the DC power supply circuit for providing direct current；
The control chip is used for when meeting testing conditions, controls the coil to be connected with DC power supply circuit, so that
The electric current of the DC power supply circuit flows through the coil, obtains the DC voltage value and DC current values of the coil, according to
The DC voltage value and DC current values of the coil calculate the impedance value of the coil；According to the impedance value and the line
Impedance corresponding to circle and temperature relation determine the temperature value of the coil.
Optionally, the DC voltage value for obtaining the coil and DC current values mode include partial pressure detection, constant current
Detection or constant pressure detection.
Optionally, when obtaining the DC voltage value and DC current values of the coil by the way of partial pressure detection, institute
Stating DC power supply circuit includes the first divider resistance and dc source, and the control chip is specifically used for：Control the coil with
After the series connection of first divider resistance, the output end of dc source is connected to.
Optionally, the DC power supply circuit also includes first switch pipe and second switch pipe, the first switch pipe
Control terminal is connected with the control chip, for controlling the first end of the coil to connect with the positive output end of the dc source
Connect, the second switch pipe and control terminal be connected with the control chip, for controlling the second end of the coil to pass through institute
The first divider resistance is stated to be connected with earth terminal.
Optionally, when obtaining the DC voltage value and DC current values of the coil by the way of constant current detection, institute
Stating DC power supply circuit includes constant-current dc power supply, and the control chip is specifically used for：Control first end and the institute of the coil
The positive output end connection of constant-current dc power supply is stated, and controls the second end of the coil to be connected with earth terminal.
Optionally, the DC power supply circuit also includes the 3rd switching tube and the 4th switching tube, wherein the 3rd switch
The control terminal of pipe is connected with the control chip, for controlling the just defeated of the first end of the coil and the constant-current dc power supply
Go out end connection, the control terminal of the 4th switching tube is connected with the control chip, for control the coil the second end and
Earth terminal connects.
Optionally, when obtaining the DC voltage value and DC current values of the coil by the way of constant pressure detection, institute
Stating DC power supply circuit includes the second divider resistance and constant-voltage DC source, controls the first end of the coil and the constant pressure straight
The positive output end connection of power supply is flowed, and controls the second end of the coil to be connected by second divider resistance with earth terminal.
Optionally, the DC power supply circuit also includes the 5th switching tube and the 6th switching tube, wherein the 5th switch
The control terminal of pipe is connected with the control chip, for controlling the just defeated of the first end of the coil and the constant-voltage DC source
Go out end connection, the control terminal of the 6th switching tube is connected with the control chip, for controlling the second end of the coil to lead to
Second divider resistance is crossed to be connected with earth terminal.
Mobile terminal provided in an embodiment of the present invention can realize that mobile terminal is realized each in Fig. 1 embodiment of the method
Process, to avoid repeating, repeat no more here.
Fig. 6 is a kind of hardware architecture diagram for the mobile terminal for realizing each embodiment of the present invention.
The mobile terminal 600 includes but is not limited to：It is radio frequency unit 601, mixed-media network modules mixed-media 602, audio output unit 603, defeated
Enter unit 604, sensor 605, display unit 606, user input unit 607, interface unit 608, memory 609, processor
The part such as 610 and power supply 611.It will be understood by those skilled in the art that the mobile terminal structure shown in Fig. 6 is not formed
Restriction to mobile terminal, mobile terminal can be included than illustrating more or less parts, either combine some parts or
Different part arrangements.In embodiments of the present invention, mobile terminal include but is not limited to mobile phone, tablet personal computer, notebook computer,
Palm PC, car-mounted terminal, wearable device and pedometer etc..
Wherein, processor 610, during for meeting testing conditions, the coil is controlled to be connected with DC power supply circuit, so that
The electric current of the DC power supply circuit flows through the coil；Obtain the DC voltage value and DC current values of the coil；According to
The DC voltage value and DC current values of the coil calculate the impedance value of the coil；According to the impedance value and the line
Impedance corresponding to circle and temperature relation determine the temperature value of the coil.
Optionally, the DC voltage value for obtaining the coil and DC current values mode include partial pressure detection, constant current
Detection or constant pressure detection.
Optionally, when obtaining the DC voltage value and DC current values of the coil by the way of partial pressure detection, institute
Stating DC power supply circuit includes the first divider resistance and dc source, and the control coil is connected bag with DC power supply circuit
Include：After controlling the coil to be connected with first divider resistance, the output end of the dc source is connected to.
Optionally, when obtaining the DC voltage value and DC current values of the coil by the way of constant current detection, institute
Stating DC power supply circuit includes constant-current dc power supply, the control coil be connected with DC power supply circuit including：Control institute
The first end for stating coil is connected with the positive output end of the constant-current dc power supply, and controls the second end and the earth terminal of the coil
Connection.
Optionally, when obtaining the DC voltage value and DC current values of the coil by the way of constant pressure detection, institute
Stating DC power supply circuit includes the second divider resistance and constant-voltage DC source, and the control coil connects with DC power supply circuit
Connect including：Control the first end of the coil to be connected with the positive output end of the constant-voltage DC source, and control the coil
Second end is connected by second divider resistance with earth terminal.
So, in the embodiment of the present invention, line is determined by the impedance value of detection coil, and according to the relation of impedance and temperature
The temperature value of circle, so as to improve the degree of accuracy of coil temperature detection.
It should be understood that in the embodiment of the present invention, radio frequency unit 601 can be used for receiving and sending messages or communication process in, signal
Reception and transmission, specifically, by from base station downlink data receive after, handled to processor 610；In addition, will be up
Data are sent to base station.Generally, radio frequency unit 601 includes but is not limited to antenna, at least one amplifier, transceiver, coupling
Device, low-noise amplifier, duplexer etc..In addition, radio frequency unit 601 can also by wireless communication system and network and other set
Standby communication.
Mobile terminal has provided the user wireless broadband internet by mixed-media network modules mixed-media 602 and accessed, and such as helps user to receive
Send e-mails, browse webpage and access streaming video etc..
Audio output unit 603 can be receiving by radio frequency unit 601 or mixed-media network modules mixed-media 602 or in memory 609
It is sound that the voice data of storage, which is converted into audio signal and exported,.Moreover, audio output unit 603 can also be provided and moved
The audio output for the specific function correlation that dynamic terminal 600 performs is (for example, call signal receives sound, message sink sound etc.
Deng).Audio output unit 603 includes loudspeaker, buzzer and receiver etc..
Input block 604 is used to receive audio or video signal.Input block 604 can include graphics processor
(Graphics Processing Unit, GPU) 6041 and microphone 6042, graphics processor 6041 is in video acquisition mode
Or the static images or the view data of video obtained in image capture mode by image capture apparatus (such as camera) are carried out
Reason.Picture frame after processing may be displayed on display unit 606.Picture frame after the processing of graphics processor 6041 can be deposited
Storage is transmitted in memory 609 (or other storage mediums) or via radio frequency unit 601 or mixed-media network modules mixed-media 602.Mike
Wind 6042 can receive sound, and can be voice data by such acoustic processing.Voice data after processing can be
The form output of mobile communication base station can be sent to via radio frequency unit 601 by being converted in the case of telephone calling model.
Mobile terminal 600 also includes at least one sensor 605, such as optical sensor, motion sensor and other biographies
Sensor.Specifically, optical sensor includes ambient light sensor and proximity transducer, wherein, ambient light sensor can be according to environment
The light and shade of light adjusts the brightness of display panel 6061, and proximity transducer can close when mobile terminal 600 is moved in one's ear
Display panel 6061 and/or backlight.As one kind of motion sensor, accelerometer sensor can detect in all directions (general
For three axles) size of acceleration, size and the direction of gravity are can detect that when static, available for identification mobile terminal posture (ratio
Such as horizontal/vertical screen switching, dependent game, magnetometer pose calibrating), Vibration identification correlation function (such as pedometer, tap)；Pass
Sensor 605 can also include fingerprint sensor, pressure sensor, iris sensor, molecule sensor, gyroscope, barometer, wet
Meter, thermometer, infrared ray sensor etc. are spent, will not be repeated here.
Display unit 606 is used for the information for showing the information inputted by user or being supplied to user.Display unit 606 can wrap
Display panel 6061 is included, liquid crystal display (Liquid Crystal Display, LCD), Organic Light Emitting Diode can be used
Forms such as (Organic Light-Emitting Diode, OLED) configures display panel 6061.
User input unit 607 can be used for the numeral or character information for receiving input, and produce the use with mobile terminal
The key signals input that family is set and function control is relevant.Specifically, user input unit 607 include contact panel 6071 and
Other input equipments 6072.Contact panel 6071, also referred to as touch-screen, collect touch operation of the user on or near it
(for example user uses any suitable objects or annex such as finger, stylus on contact panel 6071 or in contact panel 6071
Neighbouring operation).Contact panel 6071 may include both touch detecting apparatus and touch controller.Wherein, touch detection
Device detects the touch orientation of user, and detects the signal that touch operation is brought, and transmits a signal to touch controller；Touch control
Device processed receives touch information from touch detecting apparatus, and is converted into contact coordinate, then gives processor 610, receiving area
Manage the order that device 610 is sent and performed.It is furthermore, it is possible to more using resistance-type, condenser type, infrared ray and surface acoustic wave etc.
Type realizes contact panel 6071.Except contact panel 6071, user input unit 607 can also include other input equipments
6072.Specifically, other input equipments 6072 can include but is not limited to physical keyboard, function key (such as volume control button,
Switch key etc.), trace ball, mouse, action bars, will not be repeated here.
Further, contact panel 6071 can be covered on display panel 6061, when contact panel 6071 is detected at it
On or near touch operation after, send processor 610 to determine the type of touch event, be followed by subsequent processing device 610 according to touch
The type for touching event provides corresponding visual output on display panel 6061.Although in figure 6, contact panel 6071 and display
Panel 6061 is the part independent as two to realize the input of mobile terminal and output function, but in some embodiments
In, can be integrated by contact panel 6071 and display panel 6061 and realize input and the output function of mobile terminal, it is specific this
Place does not limit.
Interface unit 608 is the interface that external device (ED) is connected with mobile terminal 600.For example, external device (ED) can include
Line or wireless head-band earphone port, external power source (or battery charger) port, wired or wireless FPDP, storage card end
Mouth, port, audio input/output (I/O) port, video i/o port, earphone end for connecting the device with identification module
Mouthful etc..Interface unit 608 can be used for receive the input (for example, data message, electric power etc.) from external device (ED) and
One or more elements that the input received is transferred in mobile terminal 600 can be used in the He of mobile terminal 600
Data are transmitted between external device (ED).
Memory 609 can be used for storage software program and various data.Memory 609 can mainly include storing program area
And storage data field, wherein, storing program area can storage program area, application program (such as the sound needed at least one function
Sound playing function, image player function etc.) etc.；Storage data field can store according to mobile phone use created data (such as
Voice data, phone directory etc.) etc..In addition, memory 609 can include high-speed random access memory, can also include non-easy
The property lost memory, a for example, at least disk memory, flush memory device or other volatile solid-state parts.
Processor 610 is the control centre of mobile terminal, utilizes each of various interfaces and the whole mobile terminal of connection
Individual part, by running or performing the software program and/or module that are stored in memory 609, and call and be stored in storage
Data in device 609, the various functions and processing data of mobile terminal are performed, so as to carry out integral monitoring to mobile terminal.Place
Reason device 610 may include one or more processing units；Preferably, processor 610 can integrate application processor and modulatedemodulate is mediated
Device is managed, wherein, application processor mainly handles operating system, user interface and application program etc., and modem processor is main
Handle radio communication.It is understood that above-mentioned modem processor can not also be integrated into processor 610.
Mobile terminal 600 can also include the power supply 611 (such as battery) to all parts power supply, it is preferred that power supply 611
Can be logically contiguous by power-supply management system and processor 610, so as to realize management charging by power-supply management system, put
The function such as electricity and power managed.
In addition, mobile terminal 600 includes some unshowned functional modules, will not be repeated here.
Preferably, the embodiment of the present invention also provides a kind of mobile terminal, including processor 610, memory 609, is stored in
On memory 609 and the computer program that can be run on the processor 610, the computer program are performed by processor 610
Each process of the above-mentioned coil temperature detection method embodiments of Shi Shixian, and identical technique effect can be reached, to avoid repeating,
Here repeat no more.
The embodiment of the present invention also provides a kind of computer-readable recording medium, and meter is stored with computer-readable recording medium
Calculation machine program, the computer program realize above-mentioned coil temperature detection method when being executed by processor.Embodiment of the method it is each
Process, and identical technique effect can be reached, to avoid repeating, repeat no more here.Wherein, described computer-readable storage
Medium, such as read-only storage (Read-Only Memory, abbreviation ROM), random access memory (Random Access
Memory, abbreviation RAM), magnetic disc or CD etc..
Those of ordinary skill in the art are it is to be appreciated that the list of each example described with reference to the embodiments described herein
Member and algorithm steps, it can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually
Performed with hardware or software mode, application-specific and design constraint depending on technical scheme.Professional and technical personnel
Described function can be realized using distinct methods to each specific application, but this realization is it is not considered that exceed
The scope of the present invention.
It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and unit, the corresponding process in preceding method embodiment is may be referred to, will not be repeated here.
In embodiment provided herein, it should be understood that disclosed apparatus and method, others can be passed through
Mode is realized.For example, device embodiment described above is only schematical, for example, the division of the unit, is only
A kind of division of logic function, can there is an other dividing mode when actually realizing, for example, multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be INDIRECT COUPLING or communication link by some interfaces, device or unit
Connect, can be electrical, mechanical or other forms.
The unit illustrated as separating component can be or may not be physically separate, show as unit
The part shown can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On NE.Some or all of unit therein can be selected to realize scheme of the embodiment of the present invention according to the actual needs
Purpose.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, can also
That unit is individually physically present, can also two or more units it is integrated in a unit.
If the function is realized in the form of SFU software functional unit and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part to be contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are causing a computer equipment (can be
People's computer, server, or network equipment etc.) perform all or part of step of each embodiment methods described of the present invention.
And foregoing storage medium includes：USB flash disk, mobile hard disk, ROM, RAM, magnetic disc or CD etc. are various can be with store program codes
Medium.
The foregoing is only a specific embodiment of the invention, but protection scope of the present invention is not limited thereto, any
Those familiar with the art the invention discloses technical scope in, change or replacement can be readily occurred in, should all be contained
Cover within protection scope of the present invention.Therefore, protection scope of the present invention should be defined by scope of the claims.
Claims (14)
- A kind of 1. coil temperature detection method, applied to mobile terminal, it is characterised in that including：When meeting testing conditions, the coil is controlled to be connected with DC power supply circuit, so that the electric current of the DC power supply circuit Flow through the coil；Obtain the DC voltage value and DC current values of the coil；The impedance value of the coil is calculated according to the DC voltage value of the coil and DC current values；The temperature value of the coil is determined according to impedance and temperature relation corresponding to the impedance value and the coil.
- 2. according to the method for claim 1, it is characterised in that the DC voltage value and direct current for obtaining the coil Flow valuve mode includes partial pressure detection, constant current detection or constant pressure detection.
- 3. according to the method for claim 2, it is characterised in that obtain the straight of the coil by the way of being detected using partial pressure When flowing magnitude of voltage and DC current values, the DC power supply circuit includes the first divider resistance and dc source, the control institute State coil be connected with DC power supply circuit including：After controlling the coil to be connected with first divider resistance, the output end of the dc source is connected to.
- 4. according to the method for claim 2, it is characterised in that obtain the straight of the coil by the way of being detected using constant current Flow magnitude of voltage and during DC current values, the DC power supply circuit includes constant-current dc power supply, the control coil with directly Stream power circuit connection includes：Control the first end of the coil to be connected with the positive output end of the constant-current dc power supply, and control the second of the coil End is connected with earth terminal.
- 5. according to the method for claim 2, it is characterised in that obtain the straight of the coil by the way of being detected using constant pressure When flowing magnitude of voltage and DC current values, the DC power supply circuit includes the second divider resistance and constant-voltage DC source, the control Make the coil be connected with DC power supply circuit including：Control the first end of the coil to be connected with the positive output end of the constant-voltage DC source, and control the second of the coil End is connected by second divider resistance with earth terminal.
- 6. a kind of mobile terminal, it is characterised in that the mobile terminal includes coil, control chip and for providing direct current DC power supply circuit；The control chip is used for when meeting testing conditions, controls the coil to be connected with DC power supply circuit, so that described The electric current of DC power supply circuit flows through the coil, the DC voltage value and DC current values of the coil is obtained, according to described The DC voltage value and DC current values of coil calculate the impedance value of the coil；According to the impedance value and the coil pair The impedance and temperature relation answered determine the temperature value of the coil.
- 7. mobile terminal according to claim 6, it is characterised in that the DC voltage value for obtaining the coil and straight Flowing current value mode includes partial pressure detection, constant current detection or constant pressure detection.
- 8. mobile terminal according to claim 7, it is characterised in that obtain the coil by the way of being detected using partial pressure DC voltage value and during DC current values, the DC power supply circuit includes the first divider resistance and dc source, the control Coremaking piece is specifically used for：After controlling the coil to be connected with the first divider resistance, the output end of dc source is connected to.
- 9. mobile terminal according to claim 8, it is characterised in that the DC power supply circuit also includes first switch pipe With second switch pipe, the control terminal of the first switch pipe is connected with the control chip, for controlling the first of the coil End be connected with the positive output end of the dc source, the second switch pipe and control terminal be connected with the control chip, use It is connected in controlling the second end of the coil by first divider resistance with earth terminal.
- 10. mobile terminal according to claim 7, it is characterised in that obtain the line by the way of being detected using constant current When the DC voltage value and DC current values of circle, the DC power supply circuit includes constant-current dc power supply, the control chip tool Body is used for：Control the first end of the coil to be connected with the positive output end of the constant-current dc power supply, and control the coil Second end is connected with earth terminal.
- 11. mobile terminal according to claim 10, it is characterised in that the DC power supply circuit also includes the 3rd switch Pipe and the 4th switching tube, wherein the control terminal of the 3rd switching tube is connected with the control chip, for controlling the coil First end be connected with the positive output end of the constant-current dc power supply, the control terminal of the 4th switching tube and the control chip Connection, for controlling the second end of the coil to be connected with earth terminal.
- 12. mobile terminal according to claim 7, it is characterised in that obtain the line by the way of being detected using constant pressure When the DC voltage value and DC current values of circle, the DC power supply circuit includes the second divider resistance and constant-voltage DC source, The control control chip is specifically used for：The first end of the coil is controlled to connect with the positive output end of the constant-voltage DC source Connect, and control the second end of the coil to be connected by second divider resistance with earth terminal.
- 13. mobile terminal according to claim 12, it is characterised in that the DC power supply circuit also includes the 5th switch Pipe and the 6th switching tube, wherein the control terminal of the 5th switching tube is connected with the control chip, for controlling the coil First end be connected with the positive output end of the constant-voltage DC source, the control terminal of the 6th switching tube and the control chip Connection, for controlling the second end of the coil to be connected by second divider resistance with earth terminal.
- 14. a kind of mobile terminal, it is characterised in that including processor, memory and be stored on the memory and can be in institute The computer program run on processor is stated, the computer program is realized such as claim 1-5 during the computing device Any one of coil temperature detection method the step of.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710970786.3A CN107806943A (en) | 2017-10-18 | 2017-10-18 | A kind of coil temperature detection method and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710970786.3A CN107806943A (en) | 2017-10-18 | 2017-10-18 | A kind of coil temperature detection method and mobile terminal |
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| CN201710970786.3A Pending CN107806943A (en) | 2017-10-18 | 2017-10-18 | A kind of coil temperature detection method and mobile terminal |
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