CN108511851A - Battery heater circuit, battery heating means and device, terminal - Google Patents
Battery heater circuit, battery heating means and device, terminal Download PDFInfo
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- CN108511851A CN108511851A CN201710109487.0A CN201710109487A CN108511851A CN 108511851 A CN108511851 A CN 108511851A CN 201710109487 A CN201710109487 A CN 201710109487A CN 108511851 A CN108511851 A CN 108511851A
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- battery
- threshold
- temperature value
- switching device
- heat
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/61—Types of temperature control
- H01M10/615—Heating or keeping warm
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/633—Control systems characterised by algorithms, flow charts, software details or the like
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/63—Control systems
- H01M10/637—Control systems characterised by the use of reversible temperature-sensitive devices, e.g. NTC, PTC or bimetal devices; characterised by control of the internal current flowing through the cells, e.g. by switching
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Automation & Control Theory (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
Present disclose provides battery heater circuit, battery heating means and device, terminals, wherein the circuit includes：Switching device；The ON-OFF control circuit being connect with the switching device, the ON-OFF control circuit are used for during battery is charged, if detecting that the temperature value of the battery is less than first threshold, are controlled the switching device and are switched to closed state；The heating component being connect with the switching device, the heating component for the battery for only when the switching device is in the closed state, heating.In the disclosure, when battery is in low temperature environment, it can be that battery is heated automatically, avoid the problem that charging rate is slow caused by battery temperature is too low, improve the charging rate of terminal at low ambient temperatures.
Description
Technical field
This disclosure relates to the communications field more particularly to battery heater circuit, battery heating means and device, terminal.
Background technology
In the related technology, the charging performance of battery is limited by temperature, and especially at low temperature, the charging capacity of battery drops
Low, charging current needs to be limited in very little multiplying power, and charging resistor becomes larger, and charging rate is very slow.If temperature be down to zero with
It when lower, or even can stop charging, seriously affect battery heating speed, user experience is bad.
Invention content
In view of this, present disclose provides battery heater circuit, battery heating means and device, terminals, to solve correlation
Deficiency in technology.
According to the first aspect of the embodiments of the present disclosure, a kind of battery heater circuit is provided, the circuit includes：
Switching device；
The ON-OFF control circuit being connect with the switching device, what the ON-OFF control circuit was used to charge in battery
In the process, it if detecting that the temperature value of the battery is less than first threshold, controls the switching device and is switched to closed form
State；
The heating component being connect with the switching device, the heating component in the switching device for being only in described
When closed state, heated for the battery.
Optionally, if the ON-OFF control circuit is additionally operable to detect that the temperature value of the battery is higher than second threshold,
It then controls the switching device and is switched to off-state；
Wherein, the second threshold is higher than the first threshold.
Optionally, the switching device is metal oxide semiconductor field-effect MOSFET pipes；
Wherein, the grid of the MOSFET pipes is connect with the ON-OFF control circuit, drain electrode and the electricity of the MOSFET pipes
Source interface connects, and the source level of the MOSFET pipes is connect with the heating component.
Optionally, the heating component includes：
One end is connect with the switching device, and the heat generating component of other end ground connection, the heat generating component described for opening
It closes when device is in the closed state and generates heat；
One end is contacted with the heat generating component, the heat-conductive assembly that the other end is contacted with the battery, and the heat-conductive assembly is used
The battery is given in the heat transfer for generating the heat generating component, is heated for the battery.
Optionally, the heat-conductive assembly is graphite or silica gel.
Optionally, any one side contacts of the other end of the heat-conductive assembly and the battery；Or
The other end of the heat-conductive assembly and a side contacts opposite with the battery on battery cover.
According to the second aspect of the embodiment of the present disclosure, a kind of battery heating means are provided, the method is used for terminal, institute
It states terminal and is provided with battery heater circuit described in above-mentioned first aspect；
The method includes：
During charging the battery, the temperature value of the battery is detected；
It is that the battery adds by the battery heater circuit if the temperature value of the battery is less than first threshold
Heat.
Optionally, it is described by the battery heater circuit be the battery heating after, further include：
If the temperature value of the battery after heating is higher than second threshold, stopping is by the battery heater circuit
The battery heating；
Wherein, the second threshold is higher than the first threshold.
Optionally, further include：
Obtain the charging stage residing for the battery；
If the battery is in pre-charging stage or constant-current charging phase, the temperature of the detection battery is executed
The step of value.
According to the third aspect of the embodiment of the present disclosure, a kind of battery heating device is provided, described device is used for terminal, described
Terminal is provided with the battery heater circuit described in above-mentioned first aspect；
Described device includes：
Temperature detecting module is configured as during charging the battery, and detects the temperature value of the battery；
First execution module passes through the battery if the temperature value for being configured as the battery is less than first threshold
Heater circuit heats for the battery.
Optionally, further include：
Second execution module stops if the temperature value for the battery being configured as after heating is higher than second threshold
It is heated for the battery by the battery heater circuit；
Wherein, the second threshold is higher than the first threshold.
Optionally, further include：
Acquisition module is configured as obtaining the charging stage residing for the battery；
Control module, if being configured as the battery is in pre-charging stage or constant-current charging phase, described in control
Temperature detecting module detects the temperature value of the battery.
According to the fourth aspect of the embodiment of the present disclosure, a kind of terminal is provided, including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as：
During charging the battery, the temperature value of the battery is detected；
If the temperature value of the battery is less than first threshold, pass through the battery heater circuit described in above-mentioned first aspect
It is heated for the battery.
The technical scheme provided by this disclosed embodiment can include the following benefits：
In the embodiment of the present disclosure, battery heater circuit may include switching device, ON-OFF control circuit and heating component.
During battery is charged, if detecting that the temperature value of battery is less than first threshold, by the ON-OFF control circuit
It automatically controls the switching device and is switched to closed state, shown heating component is only in the closed form in the switching device
When state, heated for the battery.Can be that battery is heated automatically when battery is in low temperature environment by foregoing circuit,
The problem that charging rate is slow caused by battery temperature is too low is avoided, the charging rate of terminal at low ambient temperatures is improved.
In the embodiment of the present disclosure, when the temperature of battery is higher than second threshold, the control electricity that opens the light in battery heater circuit
Road automatic control switch device is switched to off-state, and heating component stops being that battery heats at this time.It avoids and is heated for battery
Temperature it is excessively high and to the damage that battery is brought, the problem of to influence battery life.
In the embodiment of the present disclosure, the switching device in battery heater circuit can be metal oxide semiconductor field-effect
MOSFET is managed.Realize easy, availability height.
In the embodiment of the present disclosure, heating component in battery heater circuit can by for generating heat heat generating component and
Heat-conductive assembly for transferring heat to battery forms.Optionally, the heat-conductive assembly can be graphite or silica gel.The heat conduction
One end of component needs to contact with heat generating component, the other end can with any one side contacts of battery, or on battery cover and
The opposite side contacts of the battery.By foregoing circuit, the purpose of battery heating is can be implemented as, is avoided because of battery temperature mistake
The slow problem of charging rate caused by low.
In the embodiment of the present disclosure, terminal can be during charging the battery, the automatic temperature value for detecting battery,
When the temperature value of the battery is less than first threshold, heated for the battery by battery heater circuit.By the above process,
During charging the battery, even if being currently at low temperature environment, it can also be added for battery by battery heater circuit
Heat, to accelerate the charging rate of battery at low ambient temperatures.
In the embodiment of the present disclosure, in order to avoid the temperature of the battery after being heated for battery is excessively high, terminal can detect
To battery temperature value be higher than second threshold when, stopping the battery being heated by battery heater circuit.To avoid battery
Temperature is excessively high, so that influencing battery.
It should be understood that above general description and following detailed description is only exemplary and explanatory, not
The disclosure can be limited.
Description of the drawings
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is a kind of battery heater circuit schematic diagram of the disclosure shown according to an exemplary embodiment；
Fig. 2 is another battery heater circuit schematic diagram of the disclosure shown according to an exemplary embodiment；
Fig. 3 is another battery heater circuit schematic diagram of the disclosure shown according to an exemplary embodiment；
Fig. 4 is a kind of battery heating means flow chart of the disclosure shown according to an exemplary embodiment；
Fig. 5 is another battery heating means flow chart of the disclosure shown according to an exemplary embodiment；
Fig. 6 is another battery heating means flow chart of the disclosure shown according to an exemplary embodiment；
Fig. 7 is a kind of battery heating device block diagram of the disclosure shown according to an exemplary embodiment；
Fig. 8 is another battery heating device block diagram of the disclosure shown according to an exemplary embodiment；
Fig. 9 is another battery heating device block diagram of the disclosure shown according to an exemplary embodiment；
Figure 10 is an a kind of structural schematic diagram of terminal of the disclosure shown according to an exemplary embodiment.
Specific implementation mode
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all implementations consistent with this disclosure.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the disclosure.
It is the purpose only merely for description specific embodiment in the term of disclosure operation, is not intended to be limiting the disclosure.
The "an" of the singulative run in disclosure and the accompanying claims book, " described " and "the" are also intended to including majority
Form, unless context clearly shows that other meanings.It is also understood that the term "and/or" run herein refers to and wraps
Containing one or more associated list items purposes, any or all may be combined.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the disclosure
A little information should not necessarily be limited by these terms.These terms are only used for same type of information being distinguished from each other out.For example, not departing from
In the case of disclosure range, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on context, as run at this word " if " can be construed to " and ... when " or " when ...
When " or " in response to determination ".
The battery heater circuit that the embodiment of the present disclosure provides is as shown in Figure 1, Fig. 1 is shown according to an exemplary embodiment
A kind of battery heater circuit 10, including：Switching device 11, ON-OFF control circuit 12 and heating component 13.Wherein, switch control electricity
Road 12 and heating component 13 are connect with switching device 11.
During battery is charged, if ON-OFF control circuit 12 detects that the temperature value of battery is less than the first threshold
Value, then control switching device 11 and be switched to closed state, heating component 13 when switching device is in the closed state, is only
Battery is heated.
In above-described embodiment, when battery is in low temperature environment, it can also be that battery is heated automatically, avoid because of battery
The slow problem of charging rate caused by temperature is too low improves the charging rate of terminal at low ambient temperatures.
In the embodiment of the present disclosure, if heating component 13 is used to be heated for battery always, battery temperature can be caused not
It is disconnected to increase, battery can be influenced.Therefore, optionally, ON-OFF control circuit 12 can be also used for detecting the electricity
When the temperature value in pond is heated to above second threshold, control switching device 11 is switched to off-state.At this point, heating component 13
Battery is heated in stopping.
Pass through foregoing circuit, it can be ensured that the temperature of battery be in temperature range between first threshold and second threshold it
It is interior, it not only can accelerate battery charging rate at low ambient temperatures, the temperature heated for battery can also be avoided excessively high to electricity
The damage that pond is brought, the problem of to influence battery life.
Optionally, metal oxide semiconductor field effect tube (Metal-Oxide- may be used in above-mentioned switching device 11
Semiconductor Field-Effect Transistor, MOSFET).As shown in Fig. 2, Fig. 2 is real shown in earlier figures 1
Another battery heater circuit shown on the basis of example is applied, the grid G of MOSFET pipes is connect with ON-OFF control circuit 12,
The drain D of MOSFET pipes is connect with power interface, and the source level S of MOSFET pipes is connect with heating component 13.
In the embodiment of the present disclosure, the type of MOSFET pipes is not limited, can be N-type or p-type, as long as may be implemented to close
State switching between conjunction state and off-state.
ON-OFF control circuit 12 it is alternatively possible to multiplex terminal Power Management Unit (PowerManagement Unit,
PMU).For being that battery charges, and can send state control to switching device 11 by the VBUS power cords of power interface
System instruction, control switching device 11 carry out state switching.
Heating component 13 is it is alternatively possible to include：Heat generating component 131 and heat-conductive assembly 132.If Fig. 3 is in 2 institute of earlier figures
Show another battery heater circuit shown on the basis of embodiment, wherein one end of heat generating component 131 connects with switching device 11
It connects, i.e., is connect with the source level S of MOSFET pipes, other end ground connection.One end of heat-conductive assembly 132 is contacted with heat generating component 131, another
End is contacted with battery.
Further, when switching device 11 in the closure state, there is electric current to pass through in heat generating component 131, heat generating component
Heat can be generated.Optionally, heat generating component 131 can be heat coil.At this point, heat-conductive assembly 132 can be by heat generating component
131 heat transfers generated are to battery, to be heated for battery.
In the embodiment of the present disclosure, optionally, heat-conductive assembly 132 can be graphite or silica gel.And heat-conductive assembly 132 is described
The other end can be any one side contacts with battery, to directly transfer heat to battery.Or heat-conductive assembly 132 is another
One end be with a side contacts opposite with the battery on battery cover, under normal circumstances, battery cover is when clasping battery, wherein one
Side is contacted with battery.By the other end of heat-conductive assembly 121 and a side contacts opposite with the battery on battery cover, it is exactly
It is contacted with battery, so as to ensure the heat transfer for generating heat generating component 131 to battery.
In above-described embodiment, the purpose heated for battery is realized, and can be to avoid caused by battery temperature is too low
The slow problem of charging rate.
The embodiment of the present disclosure additionally provides a kind of battery heating means, can be used for the terminal with rechargeable battery, example
Such as, smart mobile phone, tablet computer, personal digital assistant (Personal Digital Assistant, PDA) etc., and the end
End is provided with Fig. 1 to Fig. 3 any one of them battery heater circuits.As shown in figure 4, Fig. 4 is shown according to an exemplary embodiment
A kind of battery heating means gone out, include the following steps：
In step 201, during charging the battery, the temperature value of the battery is detected.
In this step, terminal can pass through the heat on battery during charging the battery according to the relevant technologies
The temperature value of battery described in quick resistance detection.
In step 202, if the temperature value of the battery is less than first threshold, it is by the battery heater circuit
The battery heating.
In this step, if the temperature value for the battery that the terminal detects is less than first threshold, illustrate terminal
Be under low temperature environment, can be called at this time by the central processing unit of terminal above-mentioned battery heater circuit be the battery into
Row heating.
In above-described embodiment, since charging rate and the environment temperature of battery are closely related, then by the above process, even if
Under low temperature environment, battery temperature still can be improved, is that the battery charges to be added to multiplying power charging current, accelerates
The charging rate of battery promotes user experience.
In the embodiment of the present disclosure, if being always that battery is heated by battery heater circuit, battery temperature can be caused not
It is disconnected to increase, influence battery.Optionally, as shown in figure 5, Fig. 5 is shown on the basis of aforementioned embodiment illustrated in fig. 4
Another battery heating means, it is further comprising the steps of after completing step 202：
In step 203, if the temperature value of the battery after heating is higher than second threshold, stop passing through the electricity
Pond heater circuit heats for the battery.
Wherein, the second threshold is higher than the first threshold.
In this step, terminal can be according to the relevant technologies, after the thermistor detection heating on battery protecting plate
The temperature value of battery.If temperature value is higher than second threshold, can be controlled by the ON-OFF control circuit 12 in battery heater circuit 10
Switching device 11 processed is switched to off-state, and heating component 13 is that battery is heated with regard to stopping at this time.
By the above process, it can be ensured that the temperature of battery be in temperature range between first threshold and second threshold it
It is interior, it not only can accelerate battery charging rate at low ambient temperatures, the temperature heated for battery can also be avoided excessively high to electricity
The damage that pond is brought, the problem of to influence battery life.
In the related technology, the charging stage residing for battery generally comprised with the next stage：Pre-charging stage, constant-current charging phase
And constant voltage charging phase.Wherein, pre-charging stage is the voltage value in battery less than first voltage threshold value (generally 3 volts of left sides
It is right), i.e., charging stage when cell voltage is relatively low.Constant-current charging phase is to reach the first voltage threshold in the voltage value of battery
After value, stage for being charged to the battery using the charging current of constant big multiplying power.And constant voltage charging phase is in battery
When voltage is further increased to second voltage threshold value (generally 4.2 volts or so), charged to the battery with constant voltage value
Stage.In constant voltage charging phase, the charging current value of battery can gradually reduce, when charging current value is less than predetermined threshold value
When, just stop charging to the battery, charging process is completed.
When being in constant voltage charging phase in view of battery, charging current value is exactly constantly to reduce, therefore, optionally, this
The battery heating means that open embodiment provides can be used for battery and be in pre-charging stage or constant-current charging phase.Such as Fig. 6 institutes
Show, Fig. 6 is another battery heating means shown on the basis of aforementioned embodiment illustrated in fig. 5, further comprising the steps of：
In step 200, the charging stage residing for the battery is obtained.
In this step, the terminal can obtain the charging current value of present battery and the battery according to the relevant technologies
Voltage value.Further, according to the voltage value of the charging current value of battery and the battery, to judge filling residing for the battery
The electric stage.
It is pre-charging stage when the voltage value of the battery is less than the first voltage threshold value.When the electricity of the battery
Pressure value is between the first voltage threshold value and the second voltage threshold value, and the charging current value of the battery is kept fixed again
Rate can then determine that the battery is in constant-current charging phase.
If the battery is in pre-charging stage or constant-current charging phase, above-mentioned steps 201, the terminal inspection are executed
Survey the temperature value of the battery.
In above-described embodiment, can when battery is in pre-charging stage or constant-current charging phase, if environment temperature compared with
It is low, it uses battery heater circuit to be heated for battery, accelerates battery charging rate.
Corresponding with preceding method embodiment, the disclosure additionally provides the embodiment of device.
As shown in fig. 7, Fig. 7 is a kind of battery heating device block diagram of the disclosure shown according to an exemplary embodiment, institute
Device is stated for terminal, the terminal is provided with Fig. 1 to Fig. 3 any one of them battery heater circuits；
Described device includes：
Temperature detecting module 310 is configured as during charging the battery, and detects the temperature of the battery
Value；
First execution module 320 passes through the electricity if the temperature value for being configured as the battery is less than first threshold
Pond heater circuit heats for the battery.
As shown in figure 8, another battery heating device block diagram of Fig. 8 disclosure shown according to an exemplary embodiment, it should
Embodiment further includes on the basis of 7 embodiment of earlier figures：
Second execution module 330 is stopped if the temperature value for the battery being configured as after heating is higher than second threshold
Only heated for the battery by the battery heater circuit；
Wherein, the second threshold is higher than the first threshold.
As shown in figure 9, another battery heating device block diagram of Fig. 9 disclosure shown according to an exemplary embodiment, it should
Embodiment further includes on the basis of 8 embodiment of earlier figures：
Acquisition module 340 is configured as obtaining the charging stage residing for the battery；
Control module 350 controls institute if being configured as the battery is in pre-charging stage or constant-current charging phase
State the temperature value that temperature detecting module 310 detects the battery.
For device embodiments, since it corresponds essentially to embodiment of the method, so related place is referring to method reality
Apply the part explanation of example.The apparatus embodiments described above are merely exemplary, wherein being used as separating component explanation
Unit may or may not be physically separated, the component shown as unit may or may not be
Physical unit, you can be located at a place, or may be distributed over multiple network units.It can be according to the actual needs
Some or all of module therein is selected to realize the purpose of disclosure scheme.Those of ordinary skill in the art are not paying wound
In the case that the property made is worked, you can to understand and implement.
Correspondingly, the disclosure also provides a kind of terminal, including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as：
During charging the battery, the temperature value of the battery is detected；
If the temperature value of the battery is less than first threshold, electricity is heated by Fig. 1 to Fig. 3 any one of them batteries
It is heated for the battery on road.
Figure 10 is a kind of structural schematic diagram of battery heating device shown according to an exemplary embodiment.Such as Figure 10 institutes
Show, a kind of battery heating device 1000 shown according to an exemplary embodiment, the device 1000 can be computer, mobile electricity
Words, digital broadcast terminal, messaging devices, game console, tablet device, Medical Devices, body-building equipment, individual digital help
The terminals such as reason.
Referring to Fig.1 0, device 1000 may include following one or more components：Processing component 1001, memory 1002,
Power supply module 1003, multimedia component 1004, audio component 1005, the interface 1006 of input/output (I/O), sensor module
1007 and communication component 1008.
The integrated operation of 1001 usual control device 1000 of processing component, such as with display, call, data communication,
Camera operation and record operate associated operation.Processing component 1001 may include one or more processors 1009 to execute
Instruction, to perform all or part of the steps of the methods described above.In addition, processing component 1001 may include one or more moulds
Block, convenient for the interaction between processing component 1001 and other components.For example, processing component 1001 may include multi-media module,
To facilitate the interaction between multimedia component 1004 and processing component 1001.
Memory 1002 is configured as storing various types of data to support the operation in device 1000.These data
Example includes the instruction for any application program or method that are operated on device 1000, contact data, telephone book data,
Message, picture, video etc..Memory 1002 can by any kind of volatibility or non-volatile memory device or they
Combination is realized, such as static RAM (SRAM), electrically erasable programmable read-only memory (EEPROM), it is erasable can
Program read-only memory (EPROM), programmable read only memory (PROM), read-only memory (ROM), magnetic memory, flash memory
Reservoir, disk or CD.
Power supply module 1003 provides electric power for the various assemblies of device 1000.Power supply module 1003 may include power management
System, one or more power supplys and it is other generated with for device 1000, management and the associated component of distribution electric power.
Multimedia component 1004 is included in the screen of one output interface of offer between described device 1000 and user.
In some embodiments, screen may include liquid crystal display (LCD) and touch panel (TP).If screen includes touch panel,
Screen may be implemented as touch screen, to receive input signal from the user.Touch panel includes that one or more touch passes
Sensor is to sense the gesture on touch, slide, and touch panel.The touch sensor can not only sense touch or sliding is dynamic
The boundary of work, but also detect duration and pressure associated with the touch or slide operation.In some embodiments, more
Media component 1004 includes a front camera and/or rear camera.When device 1000 is in operation mode, mould is such as shot
When formula or video mode, front camera and/or rear camera can receive external multi-medium data.Each preposition camera shooting
Head and rear camera can be a fixed optical lens system or have focusing and optical zoom capabilities.
Audio component 1005 is configured as output and/or input audio signal.For example, audio component 1005 includes a wheat
Gram wind (MIC), when device 1000 is in operation mode, when such as call model, logging mode and speech recognition mode, microphone quilt
It is configured to receive external audio signal.The received audio signal can be further stored in memory 1002 or via communication
Component 1008 is sent.In some embodiments, audio component 1005 further includes a loud speaker, is used for exports audio signal.
I/O interfaces 1006 provide interface, above-mentioned peripheral interface module between processing component 1001 and peripheral interface module
Can be keyboard, click wheel, button etc..These buttons may include but be not limited to：Home button, volume button, start button and
Locking press button.
Sensor module 1007 includes one or more sensors, and the state for providing various aspects for device 1000 is commented
Estimate.For example, sensor module 1007 can detect the state that opens/closes of device 1000, the relative positioning of component, such as institute
The display and keypad that component is device 1000 are stated, sensor module 1007 can be with detection device 1000 or device 1,000 1
The position change of a component, the existence or non-existence that user contacts with device 1000,1000 orientation of device or acceleration/deceleration and dress
Set 1000 temperature change.Sensor module 1007 may include proximity sensor, be configured in not any physics
It is detected the presence of nearby objects when contact.Sensor module 1007 can also include optical sensor, as CMOS or ccd image are sensed
Device, for being used in imaging applications.In some embodiments, which can also include acceleration sensing
Device, gyro sensor, Magnetic Sensor, pressure sensor or temperature sensor.
Communication component 1008 is configured to facilitate the communication of wired or wireless way between device 1000 and miscellaneous equipment.Dress
The wireless network based on communication standard, such as WiFi can be accessed by setting 1000,2G or 3G or combination thereof.It is exemplary at one
In embodiment, communication component 1008 receives broadcast singal or broadcast correlation from external broadcasting management system via broadcast channel
Information.In one exemplary embodiment, the communication component 1008 further includes near-field communication (NFC) module, to promote short distance
Communication.For example, radio frequency identification (RFID) technology, Infrared Data Association (IrDA) technology, ultra wide band can be based in NFC module
(UWB) technology, bluetooth (BT) technology and other technologies are realized.
In the exemplary embodiment, device 1000 can be by one or more application application-specific integrated circuit (ASIC), number
Signal processor (DSP), digital signal processing appts (DSPD), programmable logic device (PLD), field programmable gate array
(FPGA), controller, microcontroller, microprocessor or other electron component are realized, for executing the above method.
In the exemplary embodiment, it includes the non-transitorycomputer readable storage medium instructed, example to additionally provide a kind of
Such as include the memory 1002 of instruction, above-metioned instruction can be executed by the processor 1009 of device 1000 to complete the above method.Example
Such as, the non-transitorycomputer readable storage medium can be ROM, it is random access memory (RAM), CD-ROM, tape, soft
Disk and optical data storage devices etc..
Wherein, when the instruction in the storage medium is executed by the processor so that device 1000 is able to carry out
State battery heating means.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
Its embodiment.The disclosure is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and includes the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by following
Claim point out.
The foregoing is merely the preferred embodiments of the disclosure, not limiting the disclosure, all essences in the disclosure
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of the disclosure protection god.
Claims (13)
1. a kind of battery heater circuit, which is characterized in that the circuit includes：
Switching device；
The ON-OFF control circuit being connect with the switching device, the process that the ON-OFF control circuit is used to charge in battery
In, if detecting that the temperature value of the battery is less than first threshold, controls the switching device and be switched to closed state；
The heating component being connect with the switching device, the heating component in the switching device for being only in the closure
When state, heated for the battery.
2. circuit according to claim 1, which is characterized in that if the ON-OFF control circuit be additionally operable to detect it is described
The temperature value of battery is higher than second threshold, then controls the switching device and be switched to off-state；
Wherein, the second threshold is higher than the first threshold.
3. circuit according to claim 1 or 2, which is characterized in that the switching device is MOS field
Effect MOSFET pipes；
Wherein, the grid of the MOSFET pipes is connect with the ON-OFF control circuit, and the drain electrode of the MOSFET pipes connects with power supply
Mouth connection, the source level of the MOSFET pipes are connect with the heating component.
4. circuit according to claim 1 or 2, which is characterized in that the heating component includes：
One end is connect with the switching device, and the heat generating component of other end ground connection, the heat generating component is used to fill in the switch
Heat is generated when setting in the closed state；
One end is contacted with the heat generating component, the heat-conductive assembly that the other end is contacted with the battery, and the heat-conductive assembly is used for will
The heat transfer that the heat generating component generates gives the battery, is heated for the battery.
5. circuit according to claim 4, which is characterized in that the heat-conductive assembly is graphite or silica gel.
6. circuit according to claim 4, which is characterized in that the other end of the heat-conductive assembly and the battery
Any one side contacts；Or
The other end of the heat-conductive assembly and a side contacts opposite with the battery on battery cover.
7. a kind of battery heating means, which is characterized in that the method is used for terminal, and the terminal is provided with claim 1-6
Any one of them battery heater circuit；
The method includes：
During charging the battery, the temperature value of the battery is detected；
If the temperature value of the battery is less than first threshold, heated for the battery by the battery heater circuit.
8. the method according to the description of claim 7 is characterized in that described added by the battery heater circuit for the battery
After heat, further include：
If the temperature value of the battery after heating is higher than second threshold, stop through the battery heater circuit being described
Battery heats；
Wherein, the second threshold is higher than the first threshold.
9. method according to claim 7 or 8, which is characterized in that further include：
Obtain the charging stage residing for the battery；
If the battery is in pre-charging stage or constant-current charging phase, the temperature value of the detection battery is executed
Step.
10. a kind of battery heating device, which is characterized in that described device is used for terminal, and the terminal is provided with claim 1-6
Any one of them battery heater circuit；
Described device includes：
Temperature detecting module is configured as during charging the battery, and detects the temperature value of the battery；
First execution module is heated if the temperature value for being configured as the battery is less than first threshold by the battery
Circuit heats for the battery.
11. device according to claim 10, which is characterized in that further include：
Second execution module, if the temperature value for the battery being configured as after heating is higher than second threshold, stopping passes through
The battery heater circuit heats for the battery；
Wherein, the second threshold is higher than the first threshold.
12. the device according to claim 10 or 11, which is characterized in that further include：
Acquisition module is configured as obtaining the charging stage residing for the battery；
Control module controls the temperature if being configured as the battery is in pre-charging stage or constant-current charging phase
Detection module detects the temperature value of the battery.
13. a kind of terminal, which is characterized in that including：
Processor；
Memory for storing processor-executable instruction；
Wherein, the processor is configured as：
During charging the battery, the temperature value of the battery is detected；
If the temperature value of the battery is less than first threshold, electricity is heated by claim 1-6 any one of them batteries
It is heated for the battery on road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710109487.0A CN108511851A (en) | 2017-02-27 | 2017-02-27 | Battery heater circuit, battery heating means and device, terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710109487.0A CN108511851A (en) | 2017-02-27 | 2017-02-27 | Battery heater circuit, battery heating means and device, terminal |
Publications (1)
| Publication Number | Publication Date |
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| CN108511851A true CN108511851A (en) | 2018-09-07 |
Family
ID=63374129
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710109487.0A Pending CN108511851A (en) | 2017-02-27 | 2017-02-27 | Battery heater circuit, battery heating means and device, terminal |
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| Country | Link |
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| CN (1) | CN108511851A (en) |
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| CN109557955A (en) * | 2018-12-29 | 2019-04-02 | 重庆华渝电气集团有限公司 | A kind of temperature control equipment and temprature control method of inertial navigation equipment |
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| CN110086222A (en) * | 2019-04-29 | 2019-08-02 | 努比亚技术有限公司 | A kind of charging/discharging thereof, device and mobile terminal |
| CN110808434A (en) * | 2019-09-25 | 2020-02-18 | 浙江合众新能源汽车有限公司 | Heating control method and device for power battery during low-temperature charging of automobile |
| WO2022225720A1 (en) * | 2021-04-22 | 2022-10-27 | Apple Inc. | Battery temperature management |
| CN112399649B (en) * | 2019-08-15 | 2023-12-26 | 北京小米移动软件有限公司 | Heating control circuit and terminal equipment |
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