CN102984326A - Mobile terminal and battery detecting method thereof - Google Patents
Mobile terminal and battery detecting method thereof Download PDFInfo
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- CN102984326A CN102984326A CN2012104440514A CN201210444051A CN102984326A CN 102984326 A CN102984326 A CN 102984326A CN 2012104440514 A CN2012104440514 A CN 2012104440514A CN 201210444051 A CN201210444051 A CN 201210444051A CN 102984326 A CN102984326 A CN 102984326A
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- mobile terminal
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Abstract
The invention discloses a mobile terminal and a battery detecting method of the mobile terminal. A thermistor is arranged inside the mobile terminal. The thermistor is arranged inside a battery of the mobile terminal. The mobile terminal comprises a master controller, a battery detecting unit and a power supply control unit, wherein the battery detecting unit and the power supply control unit are respectively connected with the master controller. The battery detecting unit is used for obtaining present temperature value of the battery through voltage value of the thermistor detected by an analog-digital converter. The master controller is used for judging whether the present temperature value is larger than preset temperature threshold limit value or not. The power supply control unit is used for automatically controlling power source of the mobile terminal to close when the present temperature value is larger than the preset temperature threshold limit value. The present temperature value of the battery is obtained through the voltage value of the thermistor detected by the analog-digital converter, and the power source of the mobile terminal is automatically controlled to close when the present temperature value is larger than the preset temperature threshold limit value. Therefore, the occurrences of danger accidents such as spontaneous combustion or explosion of the mobile terminal are prevented. The technical scheme is low in cost, high in safety and good in user experience.
Description
Technical field
The present invention relates to field of mobile terminals, relate in particular to a kind of portable terminal and battery detection method thereof.
Background technology
At present, mobile phone is as the portable terminal that generally uses, and its function is more and more, and everybody the overheated situation of mobile phone often can occur when using mobile phone, and electric quantity consumption is too fast; And in the situation of cell degradation, make like this battery continue large current work, the event of spontaneous combustion or blast may occur in battery under the extreme case.
Summary of the invention
The technical problem to be solved in the present invention is, for the prior art battery defective of spontaneous combustion or blast occurs easily, provides a kind of safe and user to experience good portable terminal and battery detection method thereof.
The technical solution adopted for the present invention to solve the technical problems is: construct a kind of portable terminal, its built-in thermistor, described thermistor is built in the battery of described portable terminal, described portable terminal comprises main controller and the battery detection unit and the power control unit that are connected with described main controller respectively, wherein:
Described battery detection unit is used for obtaining by the magnitude of voltage that analog to digital converter detects described thermistor the current temperature value of described battery;
Described main controller is used for judging that whether described current temperature value is greater than preset temperature limit threshold values;
Described power control unit is used at described current temperature value automatic power-off of the described portable terminal of control during greater than preset temperature limit threshold values.
In portable terminal of the present invention, an end of described thermistor connects the TEM pin of described battery, other end ground connection.
In portable terminal of the present invention, described portable terminal is mobile phone.
The present invention also constructs a kind of battery detection method of portable terminal, and described portable terminal is above-mentioned portable terminal, said method comprising the steps of:
S1. the magnitude of voltage that detects described thermistor by analog to digital converter obtains the current temperature value of described battery;
S2. whether judge described current temperature value greater than preset temperature limit threshold values, if then execution in step S3 if not, then returns step S1;
S3. automatically control the power-off of described portable terminal.
In battery detection method of the present invention, further comprising the steps of before the described step S1:
S0. receive the order that the user arranges the preset temperature limit threshold values of described battery.
Implement technical scheme of the present invention, has following beneficial effect: the current temperature value of obtaining battery by the magnitude of voltage of analog to digital converter detection thermistor, and at current temperature value automatic power-off of control portable terminal during greater than preset temperature limit threshold values, prevented the generation of the hazard events such as portable terminal spontaneous combustion or blast, low, the safe and user of this technical scheme cost experiences good.
Description of drawings
The invention will be further described below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of portable terminal of the present invention;
Fig. 2 is the connection diagram of thermistor of the present invention;
Fig. 3 is the flow chart of the battery detection method of portable terminal of the present invention.
Embodiment
In order to make purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, is not intended to limit the present invention.
Should be noted that preferably described portable terminal is mobile phone, those skilled in the art should understand, and other portable terminal is applicable this scheme too, does not give unnecessary details one by one at this.
See also Fig. 1, Fig. 1 is the structural representation of portable terminal of the present invention, as shown in Figure 1, as shown in Figure 1, the built-in thermistor of this portable terminal, wherein, described thermistor is built in the battery of described portable terminal, as shown in Figure 2, the end of described thermistor R1 connects the TEM pin of described battery, other end ground connection.
Further, described portable terminal comprises main controller 100 and the battery detection unit 200 and the power control unit 300 that are connected with described main controller 100 respectively, and lower mask body is introduced the effect of various piece:
Described battery detection unit 200, obtain the current temperature value of described battery for the magnitude of voltage that detects described thermistor by analog to digital converter, should be noted that, when temperature changes, the resistance of thermistor also changes accordingly, if analog to digital converter detects the magnitude of voltage of thermistor, then can calculate the resistance of thermistor according to this magnitude of voltage, those skilled in the art should understand, characteristic according to the resistance temperature influence of thermistor, can obtain according to this resistance the Current Temperatures of this battery, not repeat them here.
It is worth mentioning that, in the long-time normal use of portable terminal and normal charge and discharge process, suppose that maximum temperature that battery can reach is about T °, if get 20% amount of redundancy, and the temperature value of battery automatic shutdown is set to 1.2T °, when battery temperature surpassed 1.2T °, the mobile phone automatic shutdown can avoid portable terminal owing to its battery temperature raises spontaneous combustion or explosive incident to occur so like this.
Described main controller 100 is used for whether judging described current temperature value greater than preset temperature limit threshold values that this preset temperature limit threshold values is seen and arranged according to demand, does not repeat them here when portable terminal dispatches from the factory.
Described power control unit 300 is used at described current temperature value automatic power-off of the described portable terminal of control during greater than preset temperature limit threshold values.
See also Fig. 3, Fig. 3 is the flow chart of the battery detection method of portable terminal of the present invention, and as shown in Figure 3, the method may further comprise the steps:
In step S0, receive the order that the user arranges the preset temperature limit threshold values of described battery, what should explain is that in other embodiment, if prestore this preset temperature limit threshold values in this portable terminal, then this step S0 can omit, and does not repeat them here.
In step S1, the magnitude of voltage that detects described thermistor by analog to digital converter obtains the current temperature value of described battery.
In step S2, whether judge described current temperature value greater than preset temperature limit threshold values, if then execution in step S3 if not, then returns step S1.
In step S3, automatically control the power-off of described portable terminal.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the various embodiments described above method is to come the relevant hardware of instruction to finish by program, corresponding program can be stored in the computer read/write memory medium, described storage medium is such as ROM/RAM, disk or CD etc.
Compared to prior art, obtain the current temperature value of battery by the magnitude of voltage of analog to digital converter detection thermistor, and at current temperature value automatic power-off of control portable terminal during greater than preset temperature limit threshold values, prevented the generation of the hazard events such as portable terminal spontaneous combustion or blast, low, the safe and user of this technical scheme cost experiences good.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within the claim scope of the present invention.
Claims (5)
1. portable terminal, its built-in thermistor is characterized in that, described thermistor is built in the battery of described portable terminal, described portable terminal comprises main controller and the battery detection unit and the power control unit that are connected with described main controller respectively, wherein:
Described battery detection unit is used for obtaining by the magnitude of voltage that analog to digital converter detects described thermistor the current temperature value of described battery;
Described main controller is used for judging that whether described current temperature value is greater than preset temperature limit threshold values;
Described power control unit is used at described current temperature value automatic power-off of the described portable terminal of control during greater than preset temperature limit threshold values.
2. portable terminal according to claim 1 is characterized in that, an end of described thermistor connects the TEM pin of described battery, other end ground connection.
3. portable terminal according to claim 1 is characterized in that, described portable terminal is mobile phone.
4. the battery detection method of a portable terminal is characterized in that, described portable terminal is each described portable terminal of claims 1 to 3, said method comprising the steps of:
S1. the magnitude of voltage that detects described thermistor by analog to digital converter obtains the current temperature value of described battery;
S2. whether judge described current temperature value greater than preset temperature limit threshold values, if then execution in step S3 if not, then returns step S1;
S3. automatically control the power-off of described portable terminal.
5. battery detection method according to claim 5 is characterized in that, and is further comprising the steps of before the described step S1:
S0. receive the order that the user arranges the preset temperature limit threshold values of described battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104440514A CN102984326A (en) | 2012-11-08 | 2012-11-08 | Mobile terminal and battery detecting method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104440514A CN102984326A (en) | 2012-11-08 | 2012-11-08 | Mobile terminal and battery detecting method thereof |
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| CN102984326A true CN102984326A (en) | 2013-03-20 |
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| CN2012104440514A Pending CN102984326A (en) | 2012-11-08 | 2012-11-08 | Mobile terminal and battery detecting method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103294583A (en) * | 2013-05-29 | 2013-09-11 | 深圳市金立通信设备有限公司 | Terminal screen control method and mobile terminal |
| CN103561178A (en) * | 2013-11-14 | 2014-02-05 | 上海华勤通讯技术有限公司 | Mobile terminal |
| CN106329609A (en) * | 2015-07-10 | 2017-01-11 | 深圳市蓝魔数码科技有限公司 | Mobile terminal and temperature control method |
| CN108834187A (en) * | 2018-06-12 | 2018-11-16 | 深圳市沃特沃德股份有限公司 | Mobile terminal and its temperature control method |
| CN111986429A (en) * | 2020-07-28 | 2020-11-24 | 中国长城科技集团股份有限公司 | Computer spontaneous combustion alarm method and device, electronic equipment and storage medium |
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| CN201303364Y (en) * | 2008-04-22 | 2009-09-02 | 中兴通讯股份有限公司 | Temperature monitoring module of mobile terminal battery and high-temperature monitoring circuit of mobile terminal battery |
| US20100259313A1 (en) * | 2009-04-14 | 2010-10-14 | Guoxing Li | Circuits and methods for temperature detection |
| CN102361488A (en) * | 2011-09-28 | 2012-02-22 | 惠州Tcl移动通信有限公司 | Mobile phone and temperature detection method based on mobile phone |
| CN102569931A (en) * | 2012-02-28 | 2012-07-11 | 深圳市金立通信设备有限公司 | Temperature detection system and method for preventing mobile phone battery from exploding |
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- 2012-11-08 CN CN2012104440514A patent/CN102984326A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201303364Y (en) * | 2008-04-22 | 2009-09-02 | 中兴通讯股份有限公司 | Temperature monitoring module of mobile terminal battery and high-temperature monitoring circuit of mobile terminal battery |
| US20100259313A1 (en) * | 2009-04-14 | 2010-10-14 | Guoxing Li | Circuits and methods for temperature detection |
| CN102361488A (en) * | 2011-09-28 | 2012-02-22 | 惠州Tcl移动通信有限公司 | Mobile phone and temperature detection method based on mobile phone |
| CN102569931A (en) * | 2012-02-28 | 2012-07-11 | 深圳市金立通信设备有限公司 | Temperature detection system and method for preventing mobile phone battery from exploding |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103294583A (en) * | 2013-05-29 | 2013-09-11 | 深圳市金立通信设备有限公司 | Terminal screen control method and mobile terminal |
| CN103294583B (en) * | 2013-05-29 | 2016-02-17 | 深圳市金立通信设备有限公司 | A kind of method of control terminal screen and mobile terminal |
| CN103561178A (en) * | 2013-11-14 | 2014-02-05 | 上海华勤通讯技术有限公司 | Mobile terminal |
| CN106329609A (en) * | 2015-07-10 | 2017-01-11 | 深圳市蓝魔数码科技有限公司 | Mobile terminal and temperature control method |
| CN108834187A (en) * | 2018-06-12 | 2018-11-16 | 深圳市沃特沃德股份有限公司 | Mobile terminal and its temperature control method |
| CN111986429A (en) * | 2020-07-28 | 2020-11-24 | 中国长城科技集团股份有限公司 | Computer spontaneous combustion alarm method and device, electronic equipment and storage medium |
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Application publication date: 20130320 |