CN103675689A - Battery detection method and device - Google Patents
Battery detection method and device Download PDFInfo
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- CN103675689A CN103675689A CN201210359304.8A CN201210359304A CN103675689A CN 103675689 A CN103675689 A CN 103675689A CN 201210359304 A CN201210359304 A CN 201210359304A CN 103675689 A CN103675689 A CN 103675689A
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Abstract
The embodiment of the invention provides a battery detection method and a device. A capacitor preset in a battery is charged and discharged so that discharging time of the capacitor is detected. A capacitance value of the capacitor is calculated according to the discharging time, and whether the battery is the one with a normal source is confirmed according to the capacitance value. According to the method and the device, only the preset capacitance values in different batteries need to be measured in turn without additionally arranging battery connector pins and interfaces so that volume of the battery is not increased.
Description
Technical field
The present invention relates to field of batteries, relate in particular to a kind of battery detection method and device.
Background technology
A lot of electronic equipments all need the dump energy of battery to monitor, when electronic equipment only has a battery, pick-up unit is easily accomplished the accurate detection to its dump energy, while thering is polylith battery in electronic equipment, while detecting dump energy, pick-up unit just need to be identified different batteries, so which piece battery clearly detected dump energy is.
The existing electric weight detection technique for polylith battery, adopt the method that increases the number of pins of battery connector and increase I2C interface to carry out the identification of battery, conventionally, the number of pins of battery connector will be increased to more than 5, and this can increase the volume of battery undoubtedly, the space that battery takies is strengthened.
Summary of the invention
In view of this, the invention provides a kind of battery detection method and device, object is to solve the bulky problem of battery that the detection method of quantity of electricity of existing polylith battery causes.
To achieve these goals, the embodiment of the present invention provides following technical scheme:
A battery detection method, is applied to electronic equipment, and described method comprises:
For electric capacity default in described battery charges;
Electric capacity after charging is discharged;
Detect described electric capacity and complete the required discharge time of discharging;
According to the capacitance of determining described electric capacity described discharge time;
According to described capacitance, determine whether battery is the battery with regular source.
Preferably, describedly for charging, default electric capacity in described battery comprises:
By above drawing the default pin in described electronic equipment, electric capacity default in described battery is charged.
Preferably, described electric capacity after charging discharged and comprised:
Default pin in described electronic equipment is set to input pattern.
Preferably, the described electric capacity of described detection completes to discharge and comprises required discharge time:
At predetermined discharge capacity point detection time, detect the voltage of described electric capacity;
According to described voltage, determine that described electric capacity completes the needed discharge time of discharging.
Preferably, definite method of described discharge capacity point detection time comprises:
According to the battery detection circuit in described electronic equipment and the circuit in described battery, calculate discharge capacity point detection time.
Preferably, when the quantity of described battery is greater than one, the described voltage at the described electric capacity of described discharge capacity point detection time detection comprises:
At described predetermined discharge capacity point detection time, detect successively the voltage of all electric capacity.
Preferably, the described capacitance of described foundation, determine whether battery is that the battery with regular source comprises:
According to described capacitance, inquire about default capacitance and the corresponding relation between battery types, determine whether the battery corresponding with described capacitance is the battery with regular source.
A battery identification device, comprising:
Charging module, is used to electric capacity default in described battery to charge;
Discharge module, for discharging the electric capacity after charging;
Timing module, completes for detection of described electric capacity the required discharge time of discharging;
Electric capacity determination module, for the capacitance according to determining described electric capacity described discharge time;
Battery determination module, for according to described capacitance, determines whether battery is the battery with regular source.
Preferably, described timing module comprises:
Time point computing unit, the battery detection circuit for according to described electronic equipment, calculates discharge capacity point detection time;
Voltage detection unit, for detecting the voltage of described electric capacity at described discharge capacity point detection time;
Discharge time, determining unit, for according to described voltage, determined that described electric capacity completes the needed discharge time of discharging.
Preferably, described battery determination module comprises:
Storage unit, for storing default capacitance and the corresponding relation between battery types;
Query unit, for according to described capacitance, inquires about default capacitance and the corresponding relation between battery types;
Battery types determining unit, for determining whether the battery corresponding with described capacitance is the battery with regular source.
A kind of battery detection method and device that the embodiment of the present invention provides, by the electric capacity to default in battery, discharge and recharge, the discharge time of Detection capacitance, according to the capacitance that calculates electric capacity described discharge time, according to described capacitance, determine whether battery is the battery with regular source again, described method and device only need to be measured successively to capacitance default in different batteries, and do not need to increase the quantity of battery connector pin and interface, thereby can not increase the volume of battery.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the process flow diagram of the disclosed a kind of battery detection method of the embodiment of the present invention;
Fig. 2 is the schematic diagram of testing circuit in the disclosed a kind of battery detection method of the embodiment of the present invention;
Fig. 3 is the process flow diagram of disclosed another battery detection method of the embodiment of the present invention;
Fig. 4 is the process flow diagram of disclosed another battery detection method of the embodiment of the present invention;
Fig. 5 is the structural representation of the disclosed a kind of battery check device of the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The disclosed a kind of battery detecting of the embodiment of the present invention, is applied to electronic equipment, and described electronic equipment has at least one battery, and as shown in Figure 1, described method comprises:
S101: for electric capacity default in described battery charges;
In described battery, default electric capacity refers to the electric capacity arranging for identifying dissimilar battery in the present embodiment, and for dissimilar battery, for the capacitance of its set electric capacity is different, and the battery of same type can arrange identical electric capacity for it.
S102: the electric capacity after charging is discharged;
S103: detect described electric capacity and complete the required discharge time of discharging;
In the present embodiment, can, by the temperature pin of battery connector, come Detection capacitance to complete the required discharge time of discharging, because the temperature pin of common battery connector only has one, thereby, when battery has when a plurality of, can detect successively the discharge time of electric capacity in different batteries.
S104: according to the capacitance of determining described electric capacity described discharge time;
S105: according to described capacitance, determine whether battery is the battery with regular source.
Wherein, determine that whether battery is that the battery in regular source can comprise: the manufacturer that determines battery.
Battery detection method described in the present embodiment, in described battery, set in advance electric capacity, and, for dissimilar battery arranges the different electric capacity of capacitance, make to exist between battery and capacitance relation one to one, after electric capacity is charged and is discharged, by determining the source of capacitance and the battery corresponding with capacitance the discharge time of electric capacity, because measure, can carry out successively by a pin discharge time, thereby, the pin of battery connector needn't be set too much, and therefore, described method can not increase the volume of battery.
The embodiment of the invention discloses another battery detection method, be applied to electronic equipment, described electronic equipment has at least one battery, in the present embodiment, take the circuit diagram shown in Fig. 2 as example, elaborate described battery detection method, in Fig. 2, right side is battery detection circuit, comprise: meet IO interface pin ADC & GPIO, the resistance of 1K ohm and the pull-up resistor of 24K ohm, left side is the internal circuit diagram of battery to be detected, comprise: the electric capacity of 1 default microfarad, as shown in Figure 3, described method comprises:
S301: by above drawing the ADC & GPIO in circuit shown in Fig. 2, the electric capacity of 1 microfarad default in described battery is charged;
S302: described ADC & GPIO is set to input pattern, now, ADC is high-impedance state, therefore, in the discharge condition to described electric capacity;
S303: the voltage that detects described electric capacity at predetermined discharge capacity point detection time;
Wherein, discharge capacity point detection time can be according to the circuit in the battery detection circuit in described electronic equipment and described battery, be that the circuit shown in Fig. 2 calculates, in the present embodiment, in circuit, the voltage of 2.5V is by the electric resistance partial pressure of 24K and 10K, be charged to again in the electric capacity of 1 microfarad, after charging, voltage is approximately 0.73V, and voltage uphill process is about 35 milliseconds, by that analogy, the capacitor discharge time of about 3.5 milliseconds of the capacitor discharge of 0.1U, 10U is about 350 milliseconds.
The present embodiment, can be set as discharge capacity point detection time by 35 milliseconds, also can, for the accuracy that guarantees to measure, by 35 milliseconds, 3.5 milliseconds, 350 milliseconds, all be decided to be discharge capacity point detection time.
S304: according to described voltage, determine that described electric capacity completes the needed discharge time of discharging;
Because the flash-over characteristic of different electric capacity is different, therefore, by the voltage that point detects in discharge capacity detection time with discharge before the voltage of electric capacity compare, can access the flash-over characteristic of electric capacity, thereby can determine the discharge time of electric capacity.
In the present embodiment, can be by the temperature pin of battery connector, carry out the voltage of Detection capacitance, general battery connector has a temperature pin conventionally, described temperature pin connects device for detecting temperature, be used for testing the temperature of described battery, in the present embodiment, also can measure with described temperature pin the voltage of electric capacity in battery.
S305: according to described discharge time, determine the capacitance of described electric capacity;
S306: according to described capacitance, inquire about default capacitance and the corresponding relation between battery types, determine whether the battery corresponding with described capacitance is the battery with regular source.
Battery detection method described in the present embodiment, pass through battery detection circuit, control default electric capacity in battery and carry out charging and discharging, voltage at predetermined time point Detection capacitance, and with not electric discharge before voltage ratio, draw the flash-over characteristic of electric capacity, and needn't wait until the real discharge off of electric capacity, save the time of detecting, guaranteed the ageing of test process.
Disclosed another battery detection method of the embodiment of the present invention, is applied to electronic equipment, at least has two batteries in described electronic equipment, and in the present embodiment, two batteries of take are example, and as shown in Figure 4, described method comprises:
S401: be that electric capacity in the first battery and the second battery charges, wherein, the electric capacity in the first battery is different from the capacitance of electric capacity in the second battery;
S402: the electric capacity in the electric capacity in the first battery and the second battery is discharged respectively;
S403: detect successively the voltage of electric capacity in the voltage of the electric capacity in the first battery and the second battery at described predetermined discharge capacity point detection time;
S404: according to the voltage detecting, determine that respectively the electric capacity in the first battery and the second battery completes the needed discharge time of discharging;
S405: according to the discharge time of electric capacity, determine respectively in the first battery the capacitance of electric capacity in electric capacity and the second battery;
S406: according to capacitance, inquire about default capacitance and the corresponding relation of battery types, determine respectively the source of the first battery and the source of the second battery.
Battery detection method described in the present embodiment, when the quantity of battery has when a plurality of, can detect different batteries, and not increase the pin of battery connector, therefore, has avoided increasing the volume of battery.
Embodiment is corresponding with said method, the embodiment of the invention also discloses a kind of battery check device, is applied to electronic equipment, and described electronic equipment has at least one battery, and as shown in Figure 5, described device comprises:
Electric capacity determination module 504, for the capacitance according to determining described electric capacity described discharge time;
In the present embodiment, predetermined capacitive in battery, described battery check device can be connected with battery by battery connector, particularly, timing module is connected with the electric capacity in battery by the temperature pin of battery connector, and Detection capacitance completes the required discharge time of discharging.
Further, the timing module described in the present embodiment can comprise:
Time point computing unit, for the battery detection circuit according to described electronic equipment and the circuit in described battery, calculates discharge capacity point detection time;
Voltage detection unit, for detecting the voltage of described electric capacity at described discharge capacity point detection time;
Discharge time, determining unit, for according to described voltage, determined that described electric capacity completes the needed discharge time of discharging.
Further, the battery determination module described in the present embodiment comprises:
Storage unit, for storing default capacitance and the corresponding relation between battery types;
Query unit, for according to described capacitance, inquires about default capacitance and the corresponding relation between battery types;
Battery types determining unit, for determining whether the battery corresponding with described capacitance is the battery with regular source.
Battery check device described in the present embodiment, by the electric capacity to default in battery, charge and discharge, obtain the discharge time of electric capacity, and can be according to the value of determining electric capacity discharge time, by the value of electric capacity, determined again the source of battery, thereby no longer need to detect by increasing the pin of battery connector the source of battery, because the volume of electric capacity is compared and can be ignored with battery, therefore, described device has been avoided the problem that causes battery volume excessive.
If the function described in the present embodiment method usings that the form of SFU software functional unit realizes and during as production marketing independently or use, can be stored in a computing equipment read/write memory medium.Understanding based on such, the part that the embodiment of the present invention contributes to prior art or the part of this technical scheme can embody with the form of software product, this software product is stored in a storage medium, comprise that some instructions are with so that a computing equipment (can be personal computer, server, mobile computing device or the network equipment etc.) carry out all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: various media that can be program code stored such as USB flash disk, portable hard drive, ROM (read-only memory) (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CDs.
In this instructions, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment same or similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a battery detection method, is applied to electronic equipment, it is characterized in that, described method comprises:
For electric capacity default in described battery charges;
Electric capacity after charging is discharged;
Detect described electric capacity and complete the required discharge time of discharging;
According to the capacitance of determining described electric capacity described discharge time;
According to described capacitance, determine whether battery is the battery with regular source.
2. method according to claim 1, is characterized in that, describedly for default electric capacity in described battery charges, comprises:
By above drawing the default pin in described electronic equipment, electric capacity default in described battery is charged.
3. method according to claim 1 and 2, is characterized in that, described electric capacity after charging is discharged and comprised:
Default pin in described electronic equipment is set to input pattern.
4. method according to claim 3, is characterized in that, the described electric capacity of described detection completes electric discharge and comprises required discharge time:
At predetermined discharge capacity point detection time, detect the voltage of described electric capacity;
According to described voltage, determine that described electric capacity completes the needed discharge time of discharging.
5. method according to claim 4, is characterized in that, definite method of described discharge capacity point detection time comprises:
According to the battery detection circuit in described electronic equipment and the circuit in described battery, calculate discharge capacity point detection time.
6. method according to claim 4, is characterized in that, when the quantity of described battery is greater than one, the described voltage at the described electric capacity of described discharge capacity point detection time detection comprises:
At described predetermined discharge capacity point detection time, detect successively the voltage of all electric capacity.
7. method according to claim 1, is characterized in that, the described capacitance of described foundation determines whether battery is that the battery with regular source comprises:
According to described capacitance, inquire about default capacitance and the corresponding relation between battery types, determine whether the battery corresponding with described capacitance is the battery with regular source.
8. a battery identification device, is characterized in that, comprising:
Charging module, is used to electric capacity default in described battery to charge;
Discharge module, for discharging the electric capacity after charging;
Timing module, completes for detection of described electric capacity the required discharge time of discharging;
Electric capacity determination module, for the capacitance according to determining described electric capacity described discharge time;
Battery determination module, for according to described capacitance, determines whether battery is the battery with regular source.
9. device according to claim 8, is characterized in that, described timing module comprises:
Time point computing unit, the battery detection circuit for according to described electronic equipment, calculates discharge capacity point detection time;
Voltage detection unit, for detecting the voltage of described electric capacity at described discharge capacity point detection time;
Discharge time, determining unit, for according to described voltage, determined that described electric capacity completes the needed discharge time of discharging.
10. device according to claim 8, is characterized in that, described battery determination module comprises:
Storage unit, for storing default capacitance and the corresponding relation between battery types;
Query unit, for according to described capacitance, inquires about default capacitance and the corresponding relation between battery types;
Battery types determining unit, for determining whether the battery corresponding with described capacitance is the battery with regular source.
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| CN201210359304.8A CN103675689A (en) | 2012-09-24 | 2012-09-24 | Battery detection method and device |
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| CN201210359304.8A CN103675689A (en) | 2012-09-24 | 2012-09-24 | Battery detection method and device |
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| CN105137325A (en) * | 2015-09-02 | 2015-12-09 | Tcl移动通信科技（宁波）有限公司 | FPC detecting device and method |
| CN105334468A (en) * | 2015-11-20 | 2016-02-17 | 中国电子科技集团公司第十八研究所 | Solar battery capacitor time domain testing device and testing method |
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