CN103117580B - Mobile terminal and the battery with battery compatibility function use, charge control method - Google Patents
Mobile terminal and the battery with battery compatibility function use, charge control method Download PDFInfo
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- CN103117580B CN103117580B CN201310053117.1A CN201310053117A CN103117580B CN 103117580 B CN103117580 B CN 103117580B CN 201310053117 A CN201310053117 A CN 201310053117A CN 103117580 B CN103117580 B CN 103117580B
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Abstract
The present invention relates to the mobile terminal with battery compatibility function and battery uses, charge control method, described mobile terminal comprises battery module, battery ID detection module and battery management module, start battery ID detection module when mobile terminal-opening or charging by battery management module and detect magnitude of voltage on its type detection pin, legitimacy and the type thereof of battery is judged according to this magnitude of voltage, battery management module is according to the operating state of the corresponding battery parameter monitoring battery of the type queries of this battery, or inquire about the charged state of the 0 charging algorithm control battery of answering mutually, corresponding state modulator is taken to dissimilar battery, a mobile terminal compatiblely can use polytype battery, the damage of the mobile terminal that the otherness avoiding battery causes and the impact of cell safety, ensure that the normal work of mobile terminal and battery, be user-friendly to.
Description
Technical field
The present invention relates to technical field of mobile terminals, particularly there is the mobile terminal of battery compatibility function and battery uses, charge control method.
Background technology
Along with the demand in user and market, the kind of mobile communication product is more and more abundanter, these products with annex be also equipped with according to market demands.Battery is as extremely important, basic a kind of accessory, and user is also more and more higher to its requirement, as stand-by time will be grown, uses and wants safety, and charging is convenient.Original manufacturer can arrange original-pack battery for user, has certain restriction to the profile of battery, requires that the model of battery, ceiling voltage, charge value are consistent; Determine the uniqueness of battery like this, also bring inconvenience to user.Then the cell shapes of manufacturer to mobile terminal has made regulation, produce the non-original-pack battery that a large amount of brand differs, capacitance different, profile is consistent with original-pack battery, user can buy one or more non-original-pack battery in case of need, avoids mobile terminal electricity to use up and is inconvenient to the situation of charging.Some manufacturers, because the problem of market orientation, can adopt dissimilar battery with a mobile terminal in different areas.Therefore, on a mobile terminal, use the situation of dissimilar battery also just more and more common now.
But, because the kind of battery is different, between each money battery, there is the differences such as electricity difference, battery capacity difference, the maximum voltage difference of battery, the high and low temperature resistance difference of battery.Existing mobile terminal requires that the ceiling voltage of battery, charge value are consistent in use, otherwise can affect fail safe and the validity of battery use.Such as use the battery different from mobile phone brand, the difference of output voltage can make mobile terminal internal wiring damage; To the charging of different batteries, because battery threshold difference can cause charge volume different.Therefore, on a mobile terminal, use dissimilar battery can cause certain damage to mobile terminal at present, affect fail safe and the charging effect of battery use.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art, the object of the present invention is to provide that the mobile terminal with battery compatibility function and battery use, charge control method, be intended to solve in prior art uses dissimilar battery can cause certain damage to mobile terminal on a mobile terminal, affects the fail safe of battery use and the problem of charging effect.
Technical scheme of the present invention is as follows:
A kind of have in the mobile terminal of battery compatibility function, comprises battery module, battery ID detection module and battery management module;
Described battery ID detection module connects battery module, and the magnitude of voltage on the type detection pin detecting battery module, judges whether this magnitude of voltage determines legitimacy and the type thereof of battery in preset range, and judged result is transferred to battery management module;
Described battery management module is connected with the communication of battery ID detection module, whether start shooting for detecting mobile terminal on the one hand, start battery ID detection module when mobile terminal-opening, select the operating state of corresponding battery parameter monitoring battery according to the battery types of battery ID detection module transmission; Whether inserting for detecting charger on the other hand, starting battery ID detection module when charger inserts, select corresponding charging algorithm to control the charged state of battery according to the battery types of battery ID detection module transmission.
Described has in the mobile terminal of battery compatibility function, and described battery ID detection module comprises baseband chip and testing circuit;
The ADC pin of described baseband chip connects the type detection pin of battery module, for detecting the magnitude of voltage on described type detection pin;
Described testing circuit connects the feeder ear of battery management module, exports corresponding magnitude of voltage for arranging according to the type of battery.
Described has in the mobile terminal of battery compatibility function, and described testing circuit comprises the first resistance and the second resistance;
Described second resistance is arranged in battery module, and one end of the second resistance connects described type detection pin, its other end ground connection; One end of described first resistance connects the feeder ear of battery management module, and its other end connects the ADC pin of described type detection pin and baseband chip.
In a kind of battery using method of described mobile terminal, described battery using method comprises step:
A, start battery ID detection module when the key of mobile terminal is pressed;
B, battery ID detection module detect the magnitude of voltage on the type detection pin of battery module, judge this magnitude of voltage whether in preset range: if it is perform step C; Otherwise, be judged as Illegal Battery, and shut down;
C, control mobile terminal-opening;
D, the battery ID detection module preset range residing for described magnitude of voltage judges the type of battery, and judged result is transferred to battery management module;
E, battery management module are according to the operating state of the corresponding battery parameter monitoring battery of the type selecting of this battery.
In the battery using method of described mobile terminal, described step e specifically comprises:
After battery management module obtains the type of present battery, battery parameter corresponding to inquiry the type, reads the state of present battery according to this battery parameter, and Real-Time Monitoring also shows the state of battery.
In the battery using method of described mobile terminal, described battery parameter comprises electricity algorithm, battery temperature table; The state of described battery comprises the current voltage of battery, electricity, temperature.
In a kind of battery charging control method of described mobile terminal, described battery charging control method comprises step:
Whether a, battery management module detect charger and insert, and start battery ID detection module when charger inserts;
B, battery ID detection module detect the magnitude of voltage on the type detection pin of battery module, judge this magnitude of voltage whether in preset range: if it is perform step c; Otherwise, be judged as Illegal Battery, control battery and do not charge and point out;
C, judge that present battery is legal battery, control battery and start charging;
D, battery ID detection module judge the type of battery according to the preset range that described magnitude of voltage belongs to, and judged result is transferred to battery management module;
E, battery management module control the charged state of battery according to the corresponding charging algorithm of the type queries of this battery.
In the battery charging control method of described mobile terminal, described step e specifically comprises:
After battery management module obtains the type of present battery, the charging algorithm parameter that inquiry the type is corresponding, adjusts the size of charging current, charging voltage in real time according to this battery algorithm.
In the battery charging control method of described mobile terminal, described charging algorithm parameter comprises the algorithm parameter of charging current, charging voltage.
Provided by the invention there is battery compatibility function mobile terminal and and battery use, charge control method, start battery ID detection module when mobile terminal-opening or charging by battery management module and detect magnitude of voltage on its type detection pin, legitimacy and the type thereof of battery is judged according to this magnitude of voltage, battery management module is according to the operating state of the corresponding battery parameter monitoring battery of the type queries of this battery, or inquire about the charged state that corresponding charging algorithm controls battery, corresponding state modulator is taken to dissimilar battery, a mobile terminal compatiblely can use polytype battery, the damage of the mobile terminal that the otherness avoiding battery causes and the impact of cell safety, ensure that the normal work of mobile terminal and battery, be user-friendly to.
Accompanying drawing explanation
Fig. 1 is the schematic diagram with the mobile terminal of battery compatibility function of the present invention.
Fig. 2 of the present inventionly has the circuit diagram that in the mobile terminal of battery compatibility function, battery ID detection module is connected with battery module.
Fig. 3 is the flow chart with the battery using method of the mobile terminal of battery compatibility function of the present invention.
Fig. 4 is the flow chart with the battery charging control method of the mobile terminal of battery compatibility function of the present invention.
Embodiment
The invention provides the mobile terminal with battery compatibility function and battery uses, charge control method, for making object of the present invention, technical scheme and effect clearly, clearly, the present invention is described in more detail below.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Be the schematic diagram with the mobile terminal of battery compatibility function of the present invention please refer to Fig. 1 and Fig. 2, Fig. 1, described mobile terminal comprises battery module 10, battery ID detection module 20 and battery management module 30.Described battery ID detection module 20 connects the type detection pin ID of battery module 10 and is connected with battery management module 30 communication, magnitude of voltage on the type detection pin ID detecting battery module, judge whether this magnitude of voltage determines legitimacy and the type thereof of battery in preset range, with battery management module 30 communication, judged result is transferred to battery management module 30.Whether described battery management module 30 1 aspect starts shooting for detecting mobile terminal, starts battery ID detection module 20 when mobile terminal-opening, selects the operating state of corresponding battery parameter monitoring battery according to the battery types of battery ID detection module 20 transmission; Whether inserting for detecting charger on the other hand, starting battery ID detection module 20 when charger inserts, select corresponding charging algorithm to control the charged state of battery according to the battery types that battery ID detection module 20 transmits.Include the data such as battery parameter, charging algorithm of existing dissimilar battery on the market in battery management module 30 provided by the invention, upgrade the type of battery and corresponding data thereof by web download.Described battery module 10 there are 4 pins, be respectively the positive pole of battery, negative pole, indicate the type detection pin ID of number for obtaining battery identity and obtain the temperature detection pin of battery temperature height, Fig. 2 shows the type detection pin ID of battery module and the ADC pin of baseband chip U1.
Further, described battery ID detection module 20 comprises baseband chip U1 and testing circuit 201.The ADC pin of described baseband chip U1 connects the type detection pin ID of battery module 10, for detecting the magnitude of voltage on described type detection pin ID.Described testing circuit 201 connects the feeder ear VDD of battery management module 30, when battery management module 30 pairs of testing circuits 201 provide detect voltage time, testing circuit 201 can export a magnitude of voltage, and the size of this magnitude of voltage is by the type decided of battery.Described testing circuit 201 comprises the first resistance R1 and the second resistance R2.As shown in Figure 2, described second resistance R2 is arranged in battery module 10, and one end of the second resistance R2 connects described type detection pin ID, its other end ground connection; One end of described first resistance R1 connects the feeder ear VDD of battery management module 30, and its other end connects the ADC pin of described type detection pin ID and baseband chip U1.
When feeder ear VDD provides certain voltage, because the first resistance R1 and the second resistance R2 connects, namely voltage on second resistance R2 be the dividing potential drop of the feeder ear VDD obtained in this series circuit, the magnitude of voltage on the partial pressure value on the second resistance R2 i.e. type detection pin ID.Because the magnitude of voltage that described type detection pin ID detects has reacted legitimacy and the type thereof of battery to a certain extent, also the magnitude of voltage that described type detection pin ID detects is called the ID value of battery.The ID value of battery, as the mark of a kind of identity of battery, plays the effect identifying battery identity.Described ID value is detected by the ADC pin of baseband chip U1.Because the resistance of the first resistance R1 is fixing, the value by changing the second resistance R2 carrys out the ID value of relative set battery.In the battery of i.e. model, the resistance of the second resistance R can be set to an X, and in the battery of another kind of model, the resistance of the second resistance R can be set to Y, and X, Y are natural number.ID value can be calculated by the first resistance R1, the resistance of the second resistance R2 and the magnitude of voltage of feeder ear VDD.In baseband chip U1, be provided with a memory module, store the multiple preset range preset, each preset range represents a kind of type of battery.ID value and these preset range are compared: if ID value is in certain preset range, illustrate that battery is legal; Otherwise be Illegal Battery, there are certain quality problems.Judge the legitimacy of battery in the value by ID after, then continue the type judging battery, ID value, in which preset range, illustrates which kind of type the battery of this ID value correspondence belongs to.In the specific implementation, for the ease of distinguishing, increase the accuracy identified, by the ID value of dissimilar battery definition difference about 10 times.Larger than the resistance X of the second resistance R2 of another kind of size battery 10 times or larger of the resistance Y of the second resistance R2 of such as described a kind of size battery.
Can be classified to the type of battery by the difference of different battery ID value, battery management module 30 controls using state and the charged state of different battery according to the corresponding battery parameter of the type selecting of different battery or charging algorithm.Can realize the function of compatible dissimilar battery on a mobile terminal like this, and different batteries selects different control modes to guarantee the adaptability of mobile terminal and battery, guarantee that battery normally can use and not damage the internal circuit of mobile terminal.Below by based on above-mentioned mobile terminal, concrete elaboration the present invention is directed to different batteries and realizes battery using method and charge control method.
Refer to Fig. 3, the battery using method of described mobile terminal comprise the following steps:
S1, start battery ID detection module when the key of mobile terminal is pressed.In the present embodiment, whether battery management module first detects mobile terminal and starts shooting, and starts battery ID detection module when mobile terminal-opening; During mobile terminal shutdown, do not work.
S2, battery ID detection module detect the magnitude of voltage on the type detection pin of battery module, judge this magnitude of voltage whether in preset range: if it is perform step S3; Otherwise, be judged as Illegal Battery, and shut down.
The legitimacy of battery first need be judged during mobile terminal-opening.Preset range has multiple, is to arrange according to the ID value of the different batteries of regular manufacturers produce.Described magnitude of voltage, in certain preset range, can ensure quality and the fail safe of battery to a certain extent.Shut down when finding Illegal Battery again by the judgement of legitimacy, mobile terminal Illegal Battery damage that mobile terminal is caused against regulation because himself material or electric current are arranged in use can be avoided, ensure that the fail safe that user uses.When battery is legal, mobile terminal can be started shooting use, will select the control method adapted to below according to the type of battery, to increase the adaptability of mobile terminal and different battery.
S3, control mobile terminal-opening.Mobile terminal is when normally working, and the type based on each battery selected may be different, need to adjust according to current battery types the operating state that corresponding parameter index carrys out monitoring battery, realize especially by following steps.
S4, the battery ID detection module preset range residing for described magnitude of voltage judges the type of battery, and judged result is transferred to battery management module.
Represent the battery of a type based on each preset range, described magnitude of voltage and ID value, in which preset range, illustrate which kind of type battery belongs to.
S5, battery management module are according to the operating state of the corresponding battery parameter monitoring battery of the type selecting of this battery.
This step specifically comprises: after battery management module obtains the type of present battery, and battery parameter corresponding to inquiry the type, reads the state of present battery according to this battery parameter, and Real-Time Monitoring also shows the state of battery.Wherein said battery parameter comprises electricity algorithm, battery temperature table; The state of described battery comprises the current voltage of battery, electricity, temperature.
Because dissimilar battery its production technology, material etc. can cause the characteristic of battery different, specifically can be reflected in the supply current of battery, electricity computational methods, battery temperature change etc. different, therefore a storage area is set in battery management module, has prestored the relevant parameter of dissimilar battery.After the type confirming battery, battery management module can according to the type matching of battery, the battery parameter calling its correspondence.Battery management module can calculate this battery voltage in use, the size of temperature value, reads correlation values and shows.The battery using state that such mobile terminal obtains may correspond to dissimilar battery, with call compared with a kind of battery parameter in existing mobile terminal only, substantially increase the accuracy that the using state of different battery is monitored, make between mobile terminal from different battery with the use of can suitably adjust, add matching degree and fail safe.
Because the capacity of the maximum voltage of dissimilar battery, battery is different, in the process of charging, need to adjust according to the parameter of parameter to charging algorithm of this battery, so that the process of charging can be completed safely.Refer to Fig. 4, when mobile terminal needs charging, the battery charging control method of described mobile terminal comprises step:
Whether S10, battery management module detect charger and insert, and start battery ID detection module when charger inserts.
S20, battery ID detection module detect the magnitude of voltage on the type detection pin of battery module, judge this magnitude of voltage whether in preset range: if it is perform step S30; Otherwise, be judged as Illegal Battery, control battery and do not charge and point out.
Illegal Battery may make mobile terminal generate heat or scaling loss part circuit because of charging current instability when directly filling, and after above-mentioned steps, does not allow charging to protect mobile terminal to Illegal Battery.Can at the statement reminding user of the types such as the display screen display " present battery exists unsafe factor " of mobile terminal.In charging process, also need according to dissimilar battery select corresponding charging algorithm control charging process, avoid because of battery behavior affect charging current, the size of charging voltage make mobile terminal intensification or damaged line.
S30, judge that present battery is legal battery, control battery and start charging.
S40, battery ID detection module judge the type of battery according to the preset range that described magnitude of voltage belongs to, and judged result is transferred to battery management module.
S50, battery management module control the charged state of battery according to the corresponding charging algorithm of the type queries of this battery.
After step S50 specifically comprises the type of battery management module acquisition present battery, the charging algorithm parameter that inquiry the type is corresponding, adjusts the size of charging current, charging voltage in real time according to this battery algorithm.Wherein, described charging algorithm parameter comprises the algorithm parameter of charging current, charging voltage.
The storage area arranged in battery management module has also prestored the corresponding charge parameter algorithm of dissimilar battery.When after the type confirming battery, battery management module can according to the type matching of battery, the charging algorithm parameter calling its correspondence, calculate suitable charging voltage according to the voltameter of present battery, charging current controls whole charging process, make a mobile terminal can adapt to the size of adjustment charging voltage, charging current to dissimilar battery, guarantee the fail safe of charging process, improve charge efficiency, reduce the waste of electricity.
Should be understood that, application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can be improved according to the above description or convert, and all these improve and convert the protection range that all should belong to claims of the present invention.
Claims (9)
1. there is a mobile terminal for battery compatibility function, it is characterized in that, comprise battery module, battery ID detection module and battery management module;
Described battery ID detection module connects battery module, and the magnitude of voltage on the type detection pin detecting battery module, judges whether this magnitude of voltage determines legitimacy and the type thereof of battery in preset range, and judged result is transferred to battery management module; Preset range has multiple, and the ID value according to the different batteries of manufacturers produce is arranged;
Described battery management module is connected with the communication of battery ID detection module, whether start shooting for detecting mobile terminal on the one hand, start battery ID detection module when mobile terminal-opening, select the operating state of corresponding battery parameter monitoring battery according to the battery types of battery ID detection module transmission; Whether inserting for detecting charger on the other hand, starting battery ID detection module when charger inserts, select corresponding charging algorithm to control the charged state of battery according to the battery types of battery ID detection module transmission;
Adjust, so that complete charging safely according to the parameter of this battery parameter to charging algorithm.
2. the mobile terminal with battery compatibility function according to claim 1, is characterized in that, described battery ID detection module comprises baseband chip and testing circuit;
The ADC pin of described baseband chip connects the type detection pin of battery module, for detecting the magnitude of voltage on described type detection pin;
Described testing circuit connects the feeder ear of battery management module, exports corresponding magnitude of voltage for arranging according to the type of battery.
3. the mobile terminal with battery compatibility function according to claim 2, is characterized in that, described testing circuit comprises the first resistance and the second resistance;
Described second resistance is arranged in battery module, and one end of the second resistance connects described type detection pin, its other end ground connection; One end of described first resistance connects the feeder ear of battery management module, and its other end connects the ADC pin of described type detection pin and baseband chip.
4. based on a battery using method for mobile terminal described in claim 1, it is characterized in that, described battery using method comprises step:
A, start battery ID detection module when the key of mobile terminal is pressed;
B, battery ID detection module detect the magnitude of voltage on the type detection pin of battery module, judge this magnitude of voltage whether in preset range: if it is perform step C; Otherwise, be judged as Illegal Battery, and shut down; Preset range has multiple, and the ID value according to the different batteries of manufacturers produce is arranged;
C, control mobile terminal-opening;
D, the battery ID detection module preset range residing for described magnitude of voltage judges the type of battery, and judged result is transferred to battery management module;
E, battery management module are according to the operating state of the corresponding battery parameter monitoring battery of the type selecting of this battery
Adjust, so that complete charging safely according to the parameter of this battery parameter to charging algorithm.
5. the battery using method of mobile terminal according to claim 4, it is characterized in that, described step e specifically comprises:
After battery management module obtains the type of present battery, battery parameter corresponding to inquiry the type, reads the state of present battery according to this battery parameter, and Real-Time Monitoring also shows the state of battery.
6. the battery using method of mobile terminal according to claim 5, it is characterized in that, described battery parameter comprises electricity algorithm, battery temperature table; The state of described battery comprises the current voltage of battery, electricity, temperature.
7. based on a battery charging control method for mobile terminal described in claim 1, it is characterized in that, described battery charging control method comprises step:
Whether a, battery management module detect charger and insert, and start battery ID detection module when charger inserts;
B, battery ID detection module detect the magnitude of voltage on the type detection pin of battery module, judge this magnitude of voltage whether in preset range: if it is perform step c; Otherwise, be judged as Illegal Battery, control battery and do not charge and point out; Preset range has multiple, and the ID value according to the different batteries of manufacturers produce is arranged;
C, judge that present battery is legal battery, control battery and start charging;
D, battery ID detection module judge the type of battery according to the preset range that described magnitude of voltage belongs to, and judged result is transferred to battery management module;
E, battery management module control the charged state of battery according to the corresponding charging algorithm of the type queries of this battery;
Adjust, so that complete charging safely according to the parameter of this battery parameter to charging algorithm.
8. the battery charging control method of mobile terminal according to claim 7, is characterized in that, described step e specifically comprises:
After battery management module obtains the type of present battery, the charging algorithm parameter that inquiry the type is corresponding, adjusts the size of charging current, charging voltage in real time according to this battery algorithm.
9. the battery charging control method of mobile terminal according to claim 8, is characterized in that, described charging algorithm parameter comprises the algorithm parameter of charging current, charging voltage.
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