CN106059011A - Mobile terminal - Google Patents
Mobile terminal Download PDFInfo
- Publication number
- CN106059011A CN106059011A CN201610617371.3A CN201610617371A CN106059011A CN 106059011 A CN106059011 A CN 106059011A CN 201610617371 A CN201610617371 A CN 201610617371A CN 106059011 A CN106059011 A CN 106059011A
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- China
- Prior art keywords
- battery
- receiving coil
- mobile terminal
- switch
- cpu
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- 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
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
- H01M10/443—Methods for charging or discharging in response to temperature
-
- 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)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the invention provides a mobile terminal which comprises a receiving coil which is arranged at the surface of the battery of the mobile terminal, a heat generating circuit, a charging circuit, and a central processor CPU, wherein one end of the heat generating circuit is electrically connected to the first end of the receiving coil and the other end is connected to the second end of the receiving coil, the input end of the charging circuit is connected to the first end of the receiving coil and the output end is connected to the second end of the receiving coil, the CPU is connected to the first switch in the heat generating circuit and the second switch in the charging circuit, when the CPU detects that the mobile terminal is on a wireless charging seat and the temperature of the battery is smaller than a preset value, the receiving coil generates heat energy and transfers the generated heat energy to the battery, and when the CPU detects that the mobile terminal is on the wireless charging seat and the temperature of the battery is larger than or equal to the preset value, the battery is charged. According to the embodiment of the invention, the mobile terminal is allowed to be charged in a low temperature environment.
Description
Technical field
The present invention relates to electronic technology field, particularly to a kind of mobile terminal.
Background technology
Along with the development of technology, mobile terminal carries out the mode of wireless charging and receives people's with the feature of its convenience
Welcome.But owing to mobile terminal great majority use lithium battery, in the case of ambient temperature is too low, electrolyte flow in lithium battery
Property decline, lithium ion retard motion, easily cause analysis lithium during charging, reduce battery capacity and life-span, even cause inside battery
Short circuit, initiation potential.So, in order to prevent these from endangering, mobile terminal typically can (i.e. ambient temperature < 0 too low in ambient temperature
DEG C) time, disable charge function.
Owing to mobile terminal exists low temperature charge protection, thus there will be at low temperatures mobile terminal electricity exhaust but
Cannot charge owing to ambient temperature is too low again, affect the normal use of user.
Summary of the invention
The purpose of the embodiment of the present invention is to provide a kind of mobile terminal, it is intended to solve mobile terminal nothing in low temperature environment
The problem of method charging.
In order to achieve the above object, The embodiment provides a kind of mobile terminal, including:
Receiving coil, receiving coil is arranged at the surface of the battery of mobile terminal；
Heat generation circuit, one end of heat generation circuit electrically connects with the first end of receiving coil, the other end and reception
Second end electrical connection of coil；
Charging circuit, the input of charging circuit electrically connects with the first end of receiving coil, the outfan of charging circuit with
The positive electrical of battery connects, and the negative pole of battery electrically connects with the second end of receiving coil；
Central processor CPU, CPU respectively with in heat generation circuit first switch and charging circuit in second switch
Connect；
Wherein, CPU detect mobile terminal be positioned on wireless charging base and battery temperature less than preset value time,
CPU exports the first control signal to second switch, makes the first loop that receiving coil, battery and charging circuit are formed in disconnecting shape
State, and to first switch output the second control signal, the second servo loop making receiving coil and heat generation circuit be formed is conducting
State, receiving coil produces heat by flowing through the electric current of second servo loop, and the heat of generation is passed to battery；
CPU detect mobile terminal be positioned on wireless charging base and battery temperature more than or equal to preset value time,
CPU is to the first switch output the 3rd control signal, and making second servo loop is off-state, and to second switch output the 4th control letter
Number, making the first loop is conducting state, flows through the current versus cell charging in the first loop.
The such scheme of the present invention at least includes following beneficial effect:
In an embodiment of the present invention, detect that mobile terminal is positioned on wireless charging base and the temperature of battery as CPU
During less than preset value, exporting the first control signal by CPU to second switch, making the first loop is off-state, simultaneously to the
One switch output the second control signal, making second servo loop is conducting state, and receiving coil produces by flowing through the electric current of second servo loop
Heat amount, and the heat of generation is passed to battery, make the temperature of battery reach preset value, now CPU detects mobile terminal
It is positioned on wireless charging base and the temperature of battery is more than or equal to preset value, by CPU to the first switch output the 3rd control
Signal, making second servo loop is off-state, exports the 4th control signal to second switch simultaneously, makes the first loop in conducting shape
State, and flow through the current versus cell charging in the first loop, thus reach what mobile terminal can charge normal in low temperature environment
Effect.
Accompanying drawing explanation
Fig. 1 is one of structural representation of mobile terminal in the embodiment of the present invention；
Fig. 2 is in the embodiment of the present invention the two of the structural representation of mobile terminal；
Fig. 3 is in the embodiment of the present invention the three of the structural representation of mobile terminal；
Fig. 4 is in the embodiment of the present invention the four of the structural representation of mobile terminal；
Fig. 5 is in the embodiment of the present invention the five of the structural representation of mobile terminal；
Fig. 6 is in the embodiment of the present invention the six of the structural representation of mobile terminal；
Fig. 7 is in the embodiment of the present invention the seven of the structural representation of mobile terminal；
Fig. 8 is in the embodiment of the present invention the eight of the structural representation of mobile terminal.
Description of reference numerals:
1, receiving coil；2, heat generation circuit；201, the first switch；202, protection module；3, charging circuit；301,
Two switches；302, AC-DC conventer；303, Charge Management branch road；304, charge monitoring branch road；4, battery；5, line is launched
Circle；6、CPU；7, mobile terminal.
Detailed description of the invention
It is more fully described the exemplary embodiment of the disclosure below with reference to accompanying drawings.Although accompanying drawing shows the disclosure
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure and should be by embodiments set forth here
Limited.On the contrary, it is provided that these embodiments are able to be best understood from the disclosure, and can be by the scope of the present disclosure
Complete conveys to those skilled in the art.
As it is shown in figure 1, The embodiment provides a kind of mobile terminal, this mobile terminal 7 includes: receiving coil 1,
Heat generation circuit 2, charging circuit 3 and central processing unit (CPU, Central ProcessingUnit).Wherein, receiving coil
The surface of 1 battery 4 being arranged at mobile terminal 7；One end of heat generation circuit 2 electrically connects, separately with the first end of receiving coil 1
One end electrically connects with the second end of receiving coil 1；The input of charging circuit 3 electrically connects with the first end of receiving coil 1, charging
The outfan of circuit 3 is connected with the positive electrical of battery 4, and the negative pole of battery 4 electrically connects with the second end of receiving coil 1；CPU6 divides
It is not connected with the first switch 201 in heat generation circuit 2 and the second switch 301 in charging circuit 3.
Wherein, detect that mobile terminal 7 is positioned on wireless charging base and the temperature of battery 4 is less than preset value at CPU6
Time, CPU6 exports the first control signal to second switch 301, makes receiving coil 1, battery 4 and first time of charging circuit 3 formation
Road is off-state, and to first switch 201 output the second control signal, makes receiving coil 1 and heat generation circuit 2 be formed
Second servo loop is conducting state, and receiving coil 1 produces heat, and the heat transmission that will produce by flowing through the electric current of second servo loop
To battery 4；And detect that mobile terminal 7 is positioned on wireless charging base and the temperature of battery 4 is more than or equal to preset at CPU6
During value, CPU6 is to the first switch 201 output the 3rd control signal, and making second servo loop is off-state, and defeated to second switch 301
Going out the 4th control signal, making the first loop is conducting state, and the current versus cell 4 flowed through in the first loop charges.Wherein, at this
In inventive embodiment, not limiting the concrete numerical value of above-mentioned preset value, it rule of thumb can be set by engineer.
Wherein, in an embodiment of the present invention, above-mentioned charging circuit 3 is in addition to including above-mentioned second switch 301, also
Including: AC-DC (AC-DC) transducer, Charge Management branch road 303 and charge monitoring branch road 304, second switch 301
In Charge Management branch road 303.
Wherein, the input of AC-DC conventer 302 electrically connects with the first end of receiving coil 1, AC-DC
The outfan of transducer 302 electrically connects with the input of Charge Management branch road 303, the outfan of Charge Management branch road 303 and electricity
The input electrical connection of lotus monitoring branch road 304, the outfan of charge monitoring branch road 304 is connected with the positive electrical of battery 4.Wherein,
AC-DC conventer 302 is mainly used in that the alternating current that receiving coil 1 receives is converted to unidirectional current and charges battery 4,
Charge Management branch road 303 be mainly used in controlling charge function be turned on and off, the parameter such as charging current, charging voltage, electric charge is supervised
Survey branch road 304 to be mainly used in monitoring the quantity of electric charge flowing to/flow out battery 4.It should be noted that for wireless charging can be carried out
For mobile terminal 7, it is provided with receiving coil 1, AC-DC conventer 302, Charge Management branch road 303 and electric charge prison
Survey branch road 304.
Wherein, in an embodiment of the present invention, above-mentioned heat generation circuit 2 has two kinds of concrete implementation modes.
In the first implementation, as in figure 2 it is shown, heat generation circuit 2 except include above-mentioned first switch 201 it
Outward, a protection module 202 is also included.Wherein, the of the first switch 201 and the first end of receiving coil 1 and protection module 202
One end electrically connects, and the second end of protection module 202 electrically connects with the second end of receiving coil 1.
Wherein, detect that mobile terminal 7 is positioned on wireless charging base and the temperature of battery 4 is less than preset value at CPU6
Time, CPU6, to first switch 201 output the second control signal, makes receiving coil 1, first switch 201 and protect module 202 to be formed
Second servo loop be conducting state, receiving coil 1 (needs by receiving the electric current of transmitting coil 5 output on wireless charging base
It is noted that mobile terminal 7 can export suitable electricity by the transmitting coil 5 on communication protocol request wireless charging base
Stream), make second servo loop produces electric current, and then make receiving coil 1 produce heat by flowing through the electric current of second servo loop, and will produce
Raw heat passes to battery 4, heats battery 4.Wherein, transmitting coil 5 outputs current to receiving coil 1, and second time
In road, the flow direction of electric current is as indicated by the arrows in fig. 3.
And detect that mobile terminal 7 is positioned on wireless charging base and the temperature of battery 4 is more than or equal to preset at CPU6
During value, CPU6, to the first switch 201 output the 3rd control signal, makes receiving coil 1, first switch 201 and protect module 202 shape
The second servo loop become is off-state.Now, the first loop is conducting state, and battery 4 can be filled by the electric current flowing through the first loop
Electricity.Wherein, transmitting coil 5 outputs current to the flowing to such as the arrow institute in Fig. 4 of electric current in receiving coil 1, and the first loop
Show.
In the second implementation, as it is shown in figure 5, heat generation circuit 2 is except including the first above-mentioned switch 201 Hes
Outside protection module 202, also include the battery 4 of mobile terminal 7, and the second end of the positive pole of battery 4 and described protection module 202
Electrical connection.
Wherein, detect that mobile terminal 7 is positioned on wireless charging base and the temperature of battery 4 is less than preset value at CPU6
Time, CPU6, to first switch 201 output the second control signal, makes receiving coil 1, first switch 201, protection module 202 and electricity
The second servo loop that pond 4 is formed is conducting state, makes second servo loop produce electric current by the electric current in battery 4, and then makes reception line
Circle 1 produces heat by flowing through the electric current of second servo loop, and the heat of generation is passed to battery 4, heats battery 4.Wherein,
In second servo loop, the flow direction of electric current is as indicated by the arrows in fig. 6.
And detect that mobile terminal 7 is positioned on wireless charging base and the temperature of battery 4 is more than or equal to preset at CPU6
During value, CPU6, to the first switch 201 output the 3rd control signal, makes receiving coil 1, first switch 201, protect module 202 and
The second servo loop that battery 4 is formed is off-state.Now, the first loop is conducting state, and the electric current flowing through the first loop can be right
Battery 4 charges.Transmitting coil 5 outputs current to the flowing to such as the arrow in Fig. 7 of electric current in receiving coil 1, and the first loop
Shown in.
Wherein, no matter it is the first implementation or the second implementation, the protection module in heat generation circuit 2
202 can be a resistance, and the first switch 201 can be relay switch or semiconductor switch.Wherein, protection module
202 are mainly responsible for when second servo loop is conducting state, limit the electric current flowing through receiving coil 1, protect receiving coil 1.
Wherein, in an embodiment of the present invention, as shown in Figure 8, above-mentioned receiving coil 1 can be arranged at by the way of laminating
The surface of mobile terminal 7 battery 4.It is understood that in an embodiment of the present invention, do not limit receiving coil 1 and be arranged at
The concrete mode on the surface of mobile terminal 7 battery 4.Certainly for meeting wireless charging requirement, the area of this receiving coil 1 should be enough
Greatly.
As can be seen here, detect that mobile terminal 7 is positioned on wireless charging base and the temperature of battery 4 is less than pre-as CPU6
If during value, exporting the first control signal by CPU6 to second switch 301, making the first loop is off-state, simultaneously to first
Switch 201 output the second control signal, making second servo loop is conducting state, and receiving coil 1 is by flowing through the electric current of second servo loop
Producing heat, and the heat of generation is passed to battery 4, make the temperature of battery 4 reach preset value, now CPU6 detects movement
Terminal 7 is positioned on wireless charging base and the temperature of battery 4 is more than or equal to preset value, defeated to the first switch 201 by CPU6
Going out the 3rd control signal, making second servo loop is off-state, exports the 4th control signal to second switch 301 simultaneously, makes first
Loop is conducting state, and the current versus cell 4 flowed through in the first loop charges, thus reach mobile terminal 7 can be at low temperature ring
Border charges normal, promotes the effect of Consumer's Experience.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of without departing from principle of the present invention, it is also possible to make some improvements and modifications, these improvements and modifications are also
Should be regarded as protection scope of the present invention.
Claims (7)
1. a mobile terminal, it is characterised in that including:
Receiving coil, described receiving coil is arranged at the surface of the battery of mobile terminal；
Heat generation circuit, one end of described heat generation circuit electrically connects with the first end of described receiving coil, the other end with
Second end electrical connection of described receiving coil；
Charging circuit, the input of described charging circuit electrically connects with the first end of described receiving coil, described charging circuit
Outfan is connected with the positive electrical of described battery, and the negative pole of described battery electrically connects with the second end of described receiving coil；
Central processor CPU, described CPU switchs and in described charging circuit with first in described heat generation circuit respectively
Second switch connects；
Wherein, detect that described mobile terminal is positioned on wireless charging base and the temperature of described battery is less than pre-at described CPU
If during value, described CPU exports the first control signal to described second switch, make described receiving coil, described battery and described fill
The first loop that electricity circuit is formed is off-state, and to described first switch output the second control signal, makes described reception line
The second servo loop that circle and described heat generation circuit are formed is conducting state, and described receiving coil is by flowing through described second servo loop
Electric current produce heat, and the heat of generation is passed to described battery；
Detect that described mobile terminal is positioned on wireless charging base and the temperature of described battery is more than or equal at described CPU
During described preset value, described CPU is to described first switch output the 3rd control signal, and making described second servo loop is off-state,
And export the 4th control signal to described second switch, making described first loop is conducting state, flows through in described first loop
Electric current described battery is charged.
2. mobile terminal as claimed in claim 1, it is characterised in that described heat generation circuit also includes: protection module, institute
State the first switch to electrically connect with the first end of the first end of described receiving coil and described protection module, described protection module
Second end electrically connects with the second end of described receiving coil,
Wherein, detect that described mobile terminal is positioned on wireless charging base and the temperature of described battery is less than pre-at described CPU
If during value, described CPU, to described first switch output the second control signal, makes described receiving coil, described first switch and institute
The second servo loop stating protection module formation is conducting state, and described receiving coil is by receiving sending out on described wireless charging base
The electric current of ray circle output, makes to produce in described second servo loop electric current；
Detect that described mobile terminal is positioned on wireless charging base and the temperature of described battery is more than or equal at described CPU
During described preset value, described CPU, to described first switch output the 3rd control signal, makes described receiving coil, described first opens
Close and the second servo loop of described protection module formation is off-state.
3. mobile terminal as claimed in claim 2, it is characterised in that described heat generation circuit also includes: described battery, institute
Second end of the positive pole and described protection module of stating battery electrically connects,
Wherein, detect that described mobile terminal is positioned on wireless charging base and the temperature of described battery is less than pre-at described CPU
If value time, described CPU to described first switch output the second control signal, make described receiving coil, described first switch, described
The second servo loop that protection module and described battery are formed is conducting state, makes described second servo loop by the electric current in described battery
Produce electric current；
Detect that described mobile terminal is positioned on wireless charging base and the temperature of described battery is more than or equal at described CPU
During described preset value, described CPU, to described first switch output the 3rd control signal, makes described receiving coil, described first opens
The second servo loop that pass, described protection module and described battery are formed is off-state.
4. mobile terminal as claimed in claim 2 or claim 3, it is characterised in that described protection module is a resistance.
5. mobile terminal as claimed in claim 1, it is characterised in that described charging circuit also includes:
AC-DC conventer, Charge Management branch road and charge monitoring branch road, described second switch is positioned at described charging valve
In reason branch road,
Wherein, the input of described AC-DC conventer electrically connects with the first end of described receiving coil, and described exchange becomes
The outfan of direct current transducer electrically connects with the input of described Charge Management branch road, the outfan of described Charge Management branch road with
The input electrical connection of described charge monitoring branch road, the outfan of described charge monitoring branch road is electrically connected with the positive pole of described battery
Connect.
6. mobile terminal as claimed in claim 1, it is characterised in that described first switch is opened for relay switch or quasiconductor
Close.
7. mobile terminal as claimed in claim 1, it is characterised in that described receiving coil is arranged at institute by the way of laminating
State the surface of battery of mobile terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610617371.3A CN106059011B (en) | 2016-07-29 | 2016-07-29 | A kind of mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610617371.3A CN106059011B (en) | 2016-07-29 | 2016-07-29 | A kind of mobile terminal |
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| Publication Number | Publication Date |
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| CN106059011A true CN106059011A (en) | 2016-10-26 |
| CN106059011B CN106059011B (en) | 2019-04-12 |
Family
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| CN201610617371.3A Active CN106059011B (en) | 2016-07-29 | 2016-07-29 | A kind of mobile terminal |
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| EP3373408A1 (en) * | 2017-03-10 | 2018-09-12 | Samsung Electronics Co., Ltd. | Apparatus and method for charging battery based on temperature |
| CN110401750A (en) * | 2019-07-31 | 2019-11-01 | 维沃移动通信有限公司 | A kind of temperature adjusts mould group and electronic equipment |
| WO2021027611A1 (en) * | 2019-08-09 | 2021-02-18 | 华为技术有限公司 | Electronic device and battery heating method |
| CN113937848A (en) * | 2021-09-27 | 2022-01-14 | 东集技术股份有限公司 | Battery charging control device and battery charging control method |
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| EP3373408A1 (en) * | 2017-03-10 | 2018-09-12 | Samsung Electronics Co., Ltd. | Apparatus and method for charging battery based on temperature |
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|---|---|
| CN106059011B (en) | 2019-04-12 |
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