CN102685281B - A kind of mobile terminal device - Google Patents
A kind of mobile terminal device Download PDFInfo
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- CN102685281B CN102685281B CN201210087633.1A CN201210087633A CN102685281B CN 102685281 B CN102685281 B CN 102685281B CN 201210087633 A CN201210087633 A CN 201210087633A CN 102685281 B CN102685281 B CN 102685281B
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Abstract
The embodiment of the invention discloses a kind of mobile terminal.The present invention obtains the first voltage by the first AD conversion unit be connected in baseband chip between the first end of the first resistance and the first connector pinout, the second AD conversion unit being connected positive plate through the second connector pinout with the second battery pin gets second voltage of positive plate relative to ground level, then according to computing the resistor value first connector pinout of the first voltage, the second voltage and the first resistance and the resistance of the first battery pin; By obtaining the resistance of the first connector pinout and the first battery pin, and then the resistance of this mobile terminal supply access can be calculated, if the resistance of supply access exceedes certain threshold value, then illustrate that this mobile terminal easily produces the situation of unexpected power down or shutdown suddenly when receiving calls or other operate, need reminding user to change battery in time, thus can Consumer's Experience be improved.
Description
Technical field
The present invention relates to computer communication field, particularly relate to a kind of mobile terminal device.
Background technology
The battery of mobile terminal is after long-term plug, and the Gold plated Layer of battery connector joint surface can come off, thus the resistance between battery and mobile terminal can increase.When the resistance of battery and mobile terminal is increased to a certain degree, the unexpected power down of system or automatic shutdown when this mobile terminal can be caused in call or broadcast video.
Specifically such as: when the resistance between battery and mobile terminal reaches 0.35 ohm, the voltage of battery battery core is 3.8 volts, in normal Standby situation, system power consumption only has tens of milliamperes, so the now pressure drop that causes of the resistance of connector is almost negligible, the voltage of mobile terminal side is also about 3.8 volts, user's screen display to user be 2 lattice or 3 lattice electricity; If but now converse, maximum instantaneous power consumption during mobile terminal call may reach 2 amperes, in power consumption at 2 ampere-hours, between battery and mobile terminal, resistance 0.3 ohm of pressure drop caused is 2A × 0.35ohm=0.7V, so the transient voltage of mobile terminal side also may drop to about 3.1 volts, thus cause the unexpected power down of system or shutdown, because when the voltage that mobile terminal side detects lower than the input voltage of 3.2 volts, i.e. power management module lower than 3.2 volts time, power management module closes output voltage automatically, thus mobile terminal system meeting automatic power down; When the voltage that mobile terminal side detects is lower than 3.35 volts, system automatic shutdown.
As can be seen here when the battery connector serious wear of mobile terminal causes resistance too high, be easy to, when receiving calls or other operate, cause the unexpected power down of mobile terminal or shut down suddenly.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of mobile terminal device, automatically the resistance of supply access between mobile terminal and battery can be detected, when the resistance of this supply access exceedes the thresholding resistance being preset in this locality, mobile terminal prompting user changes battery in time, thus avoid user receive calls or other operations time the unexpected power down of mobile terminal or shut down suddenly, improve Consumer's Experience.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is:
A kind of mobile terminal device, this mobile terminal comprises:
Battery, this battery positive plate and the first battery pin be connected with positive plate and the second battery pin;
Connector, this connector comprises the first connector pinout be connected with the first battery pin and the second connector pinout be connected with the second battery pin;
Power management module, this power management module is connected positive plate through the first connector pinout with the first battery pin;
Electronic load module, this electronic load module comprises the first resistance, and the first end of the first resistance is connected positive plate through the first connector pinout with the first battery pin, and the second end of the first resistance connects the ground level of mobile terminal device;
Baseband chip, this baseband chip comprises processing unit and the first AD conversion unit of being connected with processing unit and the second AD conversion unit, first AD conversion unit connects between the first end of the first resistance and the first connector pinout, and obtain the first voltage, second AD conversion unit is connected positive plate through the second connector pinout with the second battery pin, and obtain second voltage of positive plate relative to ground level, computing the resistor value first connector pinout of processing unit according to the first voltage, the second voltage and the first resistance and the resistance of the first battery pin.
Further, electronic load module comprises the controlled switch between first end and the first connector pinout being connected to the first resistance further, baseband chip comprises a universal input/output interface unit further, universal input/output interface unit connection handling unit and controlled switch, and control the turn-on and turn-off of controlled switch.
Further, controlled switch comprises a P type metal-oxide-semiconductor and the second resistance, the grid connection universal input/output interface unit of P type metal-oxide-semiconductor, the source electrode of P type metal-oxide-semiconductor connects the first connector pinout, the drain electrode of P type metal-oxide-semiconductor connects the first end of the first resistance, the first end of the second resistance connects the grid of P type metal-oxide-semiconductor, and the second end of the second resistance connects the source electrode of P type metal-oxide-semiconductor.
Further, the resistance of the first resistance is 10 ohm, and the resistance of the second resistance is 100 kilohms.
Further, mobile terminal comprises the screen and radio-frequency module that are connected with baseband chip and power management module further, and wherein when controlled switch conducting, screen and radio-frequency module are closed.
Further, the resistance of the first connector pinout and the first battery pin is obtained by following formulae discovery:
R1=(V2-V1) × R/V1, wherein R1 is the resistance of the first connector pinout and the first battery pin, and V1 is the first voltage, and V2 is the second voltage, and R is the resistance of the first resistance.
Further, battery comprises negative plate and the 3rd battery pin that is connected with negative plate and the 4th battery pin further, connector comprises the 3rd connector pinout be connected with the 3rd battery pin and the 4th connector pinout be connected with the 4th battery pin, baseband chip comprises the 3rd AD conversion unit be connected with processing unit further, 3rd AD conversion unit is connected negative plate through the 3rd connector pinout with the 3rd battery pin, to obtain the tertiary voltage of negative plate relative to ground level, 4th connector pinout connects ground level, processing unit is further according to the first voltage, computing the resistor value the 4th connector pinout of tertiary voltage and the first resistance and the resistance of the 4th battery pin.
Further, the resistance of the 4th connector pinout and the 4th battery pin is obtained by following formulae discovery:
R2=(0-V3) × R/V1, wherein R2 is the resistance of the 4th connector pinout and the 4th battery pin, and V1 is the first voltage, and V3 is tertiary voltage, and R is the resistance of the first resistance.
Further, first connector pinout and the resistance of the first battery pin and the resistance of the 4th connector pinout and the 4th battery pin are sued for peace by processing unit further, and the resistance after summation and thresholding resistance are compared, and produce warning message when the resistance after summation is greater than thresholding resistance.
Further, thresholding resistance is 300 milliohms.
Mobile terminal in the present invention comprises battery, the connector be connected with battery, power management module, electronic load module and baseband chip, wherein, and battery positive plate and the first battery pin be connected with positive plate and the second battery pin; Connector comprises the first connector pinout be connected with the first battery pin and the second connector pinout be connected with the second battery pin; Power management module is connected positive plate through the first connector pinout with the first battery pin; Electronic load module comprises the first resistance, and the first end of the first resistance is connected positive plate through the first connector pinout with the first battery pin, and the second end of the first resistance connects the ground level of mobile terminal device; Baseband chip comprises processing unit and the first AD conversion unit of being connected with processing unit and the second AD conversion unit, first AD conversion unit connects between the first end of the first resistance and the first connector pinout, and obtain the first voltage, second AD conversion unit is connected positive plate through the second connector pinout with the second battery pin, and obtain second voltage of positive plate relative to ground level, computing the resistor value first connector pinout of processing unit according to the first voltage, the second voltage and the first resistance and the resistance of the first battery pin; By obtaining the resistance of the first connector pinout and the first battery pin, and then the resistance of this mobile terminal supply access can be calculated, if the resistance of supply access exceedes certain threshold value, then illustrate that this mobile terminal easily produces the situation of unexpected power down or shutdown suddenly when receiving calls or other operate, need reminding user to change battery in time, thus can Consumer's Experience be improved.
Accompanying drawing explanation
Fig. 1 is the circuit connection diagram of mobile terminal device embodiment of the present invention;
Fig. 2 is the data flowchart of mobile terminal device embodiment of the present invention.
Embodiment
Below, referring to figs. 1 through Fig. 2, mobile terminal device of the present invention is described in detail.
Refer to Fig. 1, the circuit of the mobile terminal device in the present embodiment comprises:
Battery 104, battery 104 comprises positive plate VOUT+ and the first battery pin of being connected with positive plate VOUT+ and the second battery pin;
Connector 106, connector 106 comprises the first connector pinout VBAT1 be connected with the first battery pin and the second connector pinout VBAT2 be connected with the second battery pin;
Power management module 103, power management module 103 is connected positive plate VOUT+ through the first connector pinout VBAT1 with the first battery pin;
Electronic load module 102, electronic load module 102 comprises the first resistance R1, the first end of the first resistance R1 is connected positive plate VOUT+ through the first connector pinout VBAT1 with the first battery pin, and second end of the first resistance R1 connects the ground level of this mobile terminal device;
Baseband chip 101, baseband chip 101 comprises processing unit (not shown) and the first AD conversion unit ADC1 of being connected with this processing unit and the second AD conversion unit ADC2, first AD conversion unit ADC1 connects between the first end of the first resistance R1 and the first connector pinout VBAT1, and obtain the first voltage, second AD conversion unit ADC2 is connected positive plate VOUT+ through the second connector pinout VBAT2 with the second battery pin, and obtain second voltage of positive plate VOUT+ relative to ground level, processing unit is according to the first voltage, the computing the resistor value first connector pinout VBAT1 of the second voltage and the first resistance and the resistance of the first battery pin.
Further, electronic load module 102 comprises the controlled switch Q1 between first end and the first connector pinout VBAT1 being connected to the first resistance R1 further, baseband chip 101 comprises a universal input/output interface unit GPIO further, this universal input/output interface unit GPIO connection handling unit and controlled switch, and control the turn-on and turn-off of controlled switch.
Further, controlled switch comprises a P type metal-oxide-semiconductor Q1 and the second resistance R2, the grid G connection universal input/output interface unit GPIO of P type metal-oxide-semiconductor Q1, the source S of P type metal-oxide-semiconductor Q1 connects the first connector pinout VBAT1, the drain D of P type metal-oxide-semiconductor Q1 connects the first end of the first resistance R1, the first end of the second resistance R2 connects the grid G of P type metal-oxide-semiconductor Q1, and second end of the second resistance R2 connects the source S of P type metal-oxide-semiconductor Q1.
Further, the resistance of the first resistance R1 is 10 ohm, and the resistance of the second resistance R2 is 100 kilohms.
Further, this mobile terminal comprises the screen and radio-frequency module that are connected with baseband chip 101 and power management module 103 further, and wherein when controlled switch conducting, this screen and this radio-frequency module are closed.
Further, the resistance of the first connector pinout VBAT1 and the first battery pin is obtained by following formulae discovery:
R1=(V2-V1) × R/V1, wherein R1 is the resistance of the first connector pinout VBAT1 and the first battery pin, and V1 is the first voltage, and V2 is the second voltage, and R is the resistance of the first resistance.
Further, battery 104 comprises negative plate VOUT-and the 3rd battery pin that is connected with this negative plate VOUT-and the 4th battery pin further, connector 106 comprises the 3rd connector pinout GND1 be connected with the 3rd battery pin and the 4th connector pinout GND2 be connected with the 4th battery pin, baseband chip 101 comprises the 3rd AD conversion unit ADC3 be connected with processing unit further, 3rd AD conversion unit ADC3 is connected negative plate VOUT-through the 3rd connector pinout GND1 with the 3rd battery pin, to obtain the tertiary voltage of negative plate VOUT-relative to ground level, 4th connector pinout GND2 connects ground level, processing unit is further according to the first voltage, computing the resistor value the 4th connector pinout GND2 of tertiary voltage and the first resistance and the resistance of the 4th battery pin.
Further, the resistance of the 4th connector pinout GND2 and the 4th battery pin is obtained by following formulae discovery:
R2=(0-V3) × R/V1, wherein R2 is the resistance of the 4th connector pinout GND2 and the 4th battery pin, and V1 is the first voltage, and V3 is tertiary voltage, and R is the resistance of the first resistance R1.
Further, first connector pinout VBAT1 and the resistance of the first battery pin and the resistance of the 4th connector pinout GND2 and the 4th battery pin are sued for peace by processing unit further, and the resistance after summation and the thresholding resistance being preset in this locality are compared, and if produce warning message when the resistance after summation is greater than this thresholding resistance.
Further, being preset in local thresholding resistance is 300 milliohms.
Further, the mobile terminal in the present embodiment also comprises internal memory, and this internal memory is used for the program that storage system is run.
Refer to Fig. 2, the flow process detecting the resistance of mobile terminal supply access in mobile terminal device embodiment of the present invention is specially:
201, mobile terminal obtains the first voltage of the first connector pinout end, positive plate relative to the second voltage of ground level and the negative plate tertiary voltage relative to ground level by baseband chip;
Mobile terminal obtains the first voltage of the first connector pinout end by the first AD conversion unit of baseband chip;
Second voltage of positive plate relative to ground level is obtained by the second AD conversion unit of baseband chip;
The tertiary voltage of negative plate relative to ground level is obtained by the second AD conversion unit of baseband chip;
202, according to the resistance of the computing the resistor value mobile terminal supply access of the first voltage, the second voltage, tertiary voltage and the first resistance;
According to computing the resistor value first connector pinout of the second voltage, the second voltage and the first resistance and the resistance of the first battery pin, concrete:
Resistance ÷ first voltage of resistance=(the second voltage-the first voltage) × first resistance of the first connector pinout and the first battery pin;
And the resistance of computing the resistor value battery cathode leads ends according to the first voltage, tertiary voltage and the first resistance, concrete:
Resistance ÷ first voltage of resistance=(0-tertiary voltage) × first resistance of the 4th connector pinout and the 4th battery pin;
The resistance of resistance=the first connector pinout of supply access and resistance+the four connector pinout of the first battery pin and the 4th battery pin;
203, judge whether the resistance of supply access is greater than and be preset in local thresholding resistance;
After calculating the resistance of supply access in step 202., again the resistance of this supply access and the thresholding resistance being preset in this locality are compared, judge whether the resistance of supply access is greater than and be preset in local thresholding resistance, if judge that the resistance of supply access is greater than to be preset in local thresholding resistance, then perform step 204, if judge that the resistance of supply access is not more than to be preset in local thresholding resistance, then return step 201;
204, user is pointed out to change battery in time;
If judge in step 203 that the resistance of supply access is greater than to be preset in local thresholding resistance, illustrate that the supply access resistance between mobile terminal and battery is excessive, increase user when receiving calls or other operate, the probability of the situation generation of the unexpected power down of mobile terminal or shutdown suddenly, needs to change battery; Now, mobile terminal produces warning message, and prompting user changes battery in time;
Mobile terminal in the present embodiment obtains the first voltage of the first connector pinout end by the first AD conversion unit of baseband chip, positive plate is obtained relative to the second voltage of ground level and the tertiary voltage of the second AD conversion unit acquisition negative plate relative to ground level passing through baseband chip by the second AD conversion unit of baseband chip, then according to the first voltage, second voltage, tertiary voltage and be arranged on the resistance of computing the resistor value mobile terminal supply access of the first resistance in this mobile terminal electronic load module, compare the resistance of this supply access again and be preset in the size of local thresholding resistance, if the resistance of this supply access is greater than thresholding resistance, then produce warning message, prompting user changes battery in time, thus avoid user receive calls or other operations time the unexpected power down of mobile terminal or shut down suddenly, improve Consumer's Experience.
Below, with an embody rule example, the present invention is described in further detail:
Suppose, in electronic load module, the grid pull-up resistor R2 of P-MOS pipe Q1 is 100K ohm, and current-limiting resistance R1 is 10 ohm, and the first AD conversion unit ADC1 in analog-to-digital conversion module ADC detects that the first voltage V1 of the first connector pinout end is 3.85 volts; Second AD conversion unit ADC2 detects that positive plate is 3.90 volts relative to the second voltage V2 of ground level; It is-0.08 volt relative to the tertiary voltage V3 of ground level that 3rd AD conversion unit ADC3 detects negative plate;
The thresholding resistance that interior of mobile phone is preset is 300 milliohms;
So:
The electric current that electronic load module causes is that I=tertiary voltage V1 ÷ R1=3.85 lies prostrate ÷ 10 ohm=385 milliamperes;
So:
Resistance=(the second voltage V2-tertiary voltage V1) × R1 ÷ tertiary voltage V1=(3.9 Fu – 3.85 volts of anode leads ends) * 10 ohm/3.85 volts=0.13 ohm=130 milliohms;
The resistance ÷ tertiary voltage V3=(0-(-0.08 of resistance=(0-first voltage V3) × first resistance R1 of battery cathode leads ends lies prostrate)) × 10 ohm of ÷ 3.85 volts=0.208 ohm=208 milliohms;
So:
Resistance=130 milliohm+208 milliohm=338 milliohm of the resistance+battery cathode leads ends of the resistance=anode leads ends of mobile terminal supply access;
Because 338 milliohm >300 milliohms, namely the resistance of mobile terminal supply access is greater than default thresholding resistance, so mobile terminal system produces warning message, even if prompting user changes battery, otherwise has the danger of unexpected system power failure.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize specification of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (8)
1. a mobile terminal device, is characterized in that, described mobile terminal comprises:
Battery, described battery positive plate and the first battery pin be connected with described positive plate and the second battery pin;
Connector, described connector comprises the first connector pinout be connected with described first battery pin and the second connector pinout be connected with described second battery pin;
Power management module, described power management module is connected described positive plate through described first connector pinout with described first battery pin;
Electronic load module, described electronic load module comprises the first resistance, the first end of described first resistance is connected described positive plate through described first connector pinout with described first battery pin, and the second end of described first resistance connects the ground level of described mobile terminal device;
Baseband chip, described baseband chip comprises processing unit and the first AD conversion unit of being connected with described processing unit and the second AD conversion unit, between the first end that described first AD conversion unit connects described first resistance and described first connector pinout, and obtain the first voltage, described second AD conversion unit is connected described positive plate through described second connector pinout with described second battery pin, and obtain second voltage of described positive plate relative to described ground level, described processing unit is according to described first voltage, the resistance of the first connector pinout and described first battery pin described in the computing the resistor value of described second voltage and described first resistance,
Wherein, described battery comprises negative plate and the 3rd battery pin that is connected with described negative plate and the 4th battery pin further, described connector comprises the 3rd connector pinout be connected with described 3rd battery pin and the 4th connector pinout be connected with described 4th battery pin, described baseband chip comprises the 3rd AD conversion unit be connected with described processing unit further, described 3rd AD conversion unit is connected described negative plate through described 3rd connector pinout with described 3rd battery pin, to obtain the tertiary voltage of described negative plate relative to described ground level, described 4th connector pinout connects described ground level, described processing unit is further according to described first voltage, the resistance of the 4th connector pinout described in the computing the resistor value of described tertiary voltage and described first resistance and described 4th battery pin,
Wherein, described first connector pinout and the resistance of described first battery pin and the resistance of described 4th connector pinout and described 4th battery pin are sued for peace by described processing unit further, and the resistance after summation and thresholding resistance are compared, and produce warning message when the resistance after described summation is greater than described thresholding resistance.
2. equipment according to claim 1, it is characterized in that, described electronic load module comprises the controlled switch between first end and described first connector pinout being connected to described first resistance further, described baseband chip comprises a universal input/output interface unit further, described universal input/output interface unit connects described processing unit and described controlled switch, and controls the turn-on and turn-off of described controlled switch.
3. equipment according to claim 2, it is characterized in that, described controlled switch comprises a P type metal-oxide-semiconductor and the second resistance, the grid of described P type metal-oxide-semiconductor connects described universal input/output interface unit, the source electrode of described P type metal-oxide-semiconductor connects described first connector pinout, the drain electrode of described P type metal-oxide-semiconductor connects the first end of described first resistance, and the first end of described second resistance connects the grid of described P type metal-oxide-semiconductor, and the second end of described second resistance connects the source electrode of described P type metal-oxide-semiconductor.
4. equipment according to claim 3, is characterized in that, the resistance of described first resistance is 10 ohm, and the resistance of described second resistance is 100 kilohms.
5. equipment according to claim 2, it is characterized in that, described mobile terminal comprises the screen and radio-frequency module that are connected with described baseband chip and described power management module further, and wherein when described controlled switch conducting, described screen and described radio-frequency module are closed.
6. equipment according to claim 1, is characterized in that, the resistance of described first connector pinout and described first battery pin is obtained by following formulae discovery:
R1=(V2-V1) × R/V1, wherein R1 is the resistance of described first connector pinout and described first battery pin, and V1 is described first voltage, and V2 is described second voltage, and R is the resistance of described first resistance.
7. equipment according to claim 1, is characterized in that, the resistance of described 4th connector pinout and described 4th battery pin is obtained by following formulae discovery:
R2=(0-V3) × R/V1, wherein R2 is the resistance of described 4th connector pinout and described 4th battery pin, and V1 is described first voltage, and V3 is described tertiary voltage, and R is the resistance of described first resistance.
8. equipment according to claim 1, is characterized in that, described thresholding resistance is 300 milliohms.
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| CN201210087633.1A CN102685281B (en) | 2012-03-28 | 2012-03-28 | A kind of mobile terminal device |
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| CN201210087633.1A CN102685281B (en) | 2012-03-28 | 2012-03-28 | A kind of mobile terminal device |
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| CN105429666B (en) * | 2015-10-28 | 2019-08-23 | 惠州Tcl移动通信有限公司 | Mobile terminal and battery reset circuit |
| CN105554080A (en) * | 2015-12-09 | 2016-05-04 | 小米科技有限责任公司 | Information pushing method and information pushing device |
| CN116848770A (en) * | 2021-03-30 | 2023-10-03 | 华为技术有限公司 | Transceiver and electronic device |
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| CN201075546Y (en) * | 2007-08-08 | 2008-06-18 | 青岛海信移动通信技术股份有限公司 | Battery connector and mobile communication apparatus having the battery connector |
| CN201717910U (en) * | 2010-06-10 | 2011-01-19 | 龙旗科技(上海)有限公司 | Mobile phone without power failure |
| CN102111507A (en) * | 2011-03-21 | 2011-06-29 | 惠州Tcl移动通信有限公司 | Mobile phone |
| CN102183315A (en) * | 2011-02-28 | 2011-09-14 | 惠州Tcl移动通信有限公司 | Circuit and method for detecting identity (ID) and temperature of battery by using common detection pin |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6404855B2 (en) * | 1998-10-02 | 2002-06-11 | Pairgain Technologies, Inc. | Conditioner unit for pair gain test controller |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201075546Y (en) * | 2007-08-08 | 2008-06-18 | 青岛海信移动通信技术股份有限公司 | Battery connector and mobile communication apparatus having the battery connector |
| CN201717910U (en) * | 2010-06-10 | 2011-01-19 | 龙旗科技(上海)有限公司 | Mobile phone without power failure |
| CN102183315A (en) * | 2011-02-28 | 2011-09-14 | 惠州Tcl移动通信有限公司 | Circuit and method for detecting identity (ID) and temperature of battery by using common detection pin |
| CN102111507A (en) * | 2011-03-21 | 2011-06-29 | 惠州Tcl移动通信有限公司 | Mobile phone |
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Effective date of registration: 20210511 Address after: 272600 quanpu Industrial Park, Liangshan County, Jining City, Shandong Province (1 Tongya Road) Patentee after: SHANDONG SHENGRUN AUTOMOBILE Co.,Ltd. Address before: 516006 Guangdong province Huizhou Zhongkai hi tech Development Zone No. 23 District Patentee before: HUIZHOU TCL MOBILE COMMUNICATION Co.,Ltd. |
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