CN110346732A - A kind of battery detection method and device based on characteristic value identification - Google Patents
A kind of battery detection method and device based on characteristic value identification Download PDFInfo
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- CN110346732A CN110346732A CN201910665556.5A CN201910665556A CN110346732A CN 110346732 A CN110346732 A CN 110346732A CN 201910665556 A CN201910665556 A CN 201910665556A CN 110346732 A CN110346732 A CN 110346732A
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- China
- Prior art keywords
- battery
- voltage
- charging current
- current value
- mesuring battary
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/385—Arrangements for measuring battery or accumulator variables
Abstract
A kind of battery detection method and device based on characteristic value identification provided by the invention, method include: the blanking voltage of the blanking voltage and the second battery that obtain the first battery；The smaller value for selecting the blanking voltage of first battery and the second battery is safe charge voltage；It charges by mesuring battary of the safe charge voltage；When the voltage of the mesuring battary reaches some voltage characteristic point, charging current value at this time is recorded, as the mesuring battary voltage is raised through the voltage characteristic point of some column, records a series of corresponding charging current values；Charging current value matching by the charging current value of the mesuring battary with first battery and second battery when each characteristic voltage value charges；The charging and discharging curve of selection and the more matched battery of charging current value of the mesuring battary.The charging and discharging curve that most mesuring battary is selected by matching current value has achieved the effect that save additional battery ID-pin and has saved ADC resource all the way.
Description
Technical field
The invention belongs to battery detecting field more particularly to a kind of battery detection methods and dress based on characteristic value identification
It sets.
Background technique
Battery (Battery) refer to fill electrolyte solution and metal electrode with generate the cup of electric current, slot or other containers or
Chemical energy can be converted to the device of electric energy by the segment space of clad vessel.Point with anode, cathode.With science and technology into
Step, battery refer to the midget plant that can be produced electricl energy.Such as solar battery.The performance parameter of battery mainly have electromotive force, capacity,
Specific energy and resistance.Energy source is utilized the battery as, it is available that there is burning voltage, stabling current, long-time stable confession
Electricity is influenced the electric current of very little by the external world, and battery structure is simple, and easy to carry, charge and discharge are easy to operation, not by the external world
The influence of weather and temperature, stable and reliable for performance, the various aspects performance in modern society's life has great role.Different
Battery manufacturer generally has different battery parameters and charge and discharge due to the difference for designing and manufacturing process flow of battery itself
Curve.For device manufacturer, in order to guarantee supply chain, for needing support a plurality of with different parameters with a equipment
Battery.Current battery identification mode mainly reads the voltage of battery ID-pin foot, by difference using ADC transformation
Battery arranges the electric resistance partial pressure of additional different resistance values, so that the voltage of pin is different on ID-pin, distinguishes difference to reach
The purpose of battery.
To sum up, it now needs one kind and is able to solve above-mentioned technical problem, additional battery ID-pin can be saved and save volume
The outer resource of ADC all the way identifies battery parameter, reaches better charge and discharge effect.
Summary of the invention
Place in view of above-mentioned deficiencies of the prior art, the purpose of the present invention is to provide a kind of electricity based on characteristic value identification
Pond detection method and device aim to solve the problem that the prior art needs additional battery ID-pin and the additional resource of ADC all the way that can just do
The problem of identification.
In order to achieve the above object, this invention takes following technical schemes:
A kind of battery detection method based on characteristic value identification, comprising:
Obtain the blanking voltage of the first battery and the blanking voltage of the second battery；
The smaller value for selecting the blanking voltage of first battery and the second battery is safe charge voltage；
It charges by mesuring battary of the safe charge voltage；
When the voltage of the mesuring battary reaches some voltage characteristic point, charging current value at this time is recorded, with institute
The voltage characteristic point that mesuring battary voltage is raised through some column is stated, a series of corresponding charging current values are recorded；
By the charging current value of the mesuring battary with first battery and second battery in each character voltage
Charging current value matching when value charging；
The charging and discharging curve of selection and the more matched battery of charging current value of the mesuring battary.
Optionally, the voltage range of the mesuring battary is 3.2-4.2v.
Optionally, it is divided into 0.1v between the voltage characteristic point, totally 11.
In addition, the present invention also provides a kind of battery check devices based on characteristic value identification, comprising:
Blanking voltage obtains module, is used to obtain the blanking voltage of the first battery and the blanking voltage of the second battery；
Safe charge voltage selecting module is used to select the smaller of the blanking voltage of first battery and the second battery
Value is safe charge voltage；
Charging module is used to charge by mesuring battary of the safe charge voltage；
Charging current value logging modle is used for when the voltage of the mesuring battary reaches some voltage characteristic point, note
The charging current value of record at this time records a series of as the mesuring battary voltage is raised through the voltage characteristic point of some column
Corresponding charging current value；
Charging current value matching module is used for the charging current value of the mesuring battary with first battery and institute
State charging current value matching of second battery when each characteristic voltage value charges；
Charging and discharging curve selecting module is used to select and the more matched battery of charging current value of the mesuring battary
Charging and discharging curve.
Compared with prior art, beneficial effects of the present invention:
A kind of battery detection method and device based on characteristic value identification provided by the invention, method include: acquisition the
The blanking voltage of the blanking voltage of one battery and the second battery；Select the blanking voltage of first battery and the second battery compared with
Small value is safe charge voltage；It charges by mesuring battary of the safe charge voltage；When the voltage of the mesuring battary reaches
When some voltage characteristic point, charging current value at this time is recorded, as the mesuring battary voltage is raised through the electricity of some column
Characteristic point is pressed, a series of corresponding charging current values are recorded；By the charging current value of the mesuring battary with first battery
And charging current value matching of second battery when each characteristic voltage value charges；The charging of selection and the mesuring battary
The charging and discharging curve of the more matched battery of current value.The charging and discharging curve that most mesuring battary is selected by matching current value, reaches
To the effect saved additional battery ID-pin with save ADC resource all the way.
Detailed description of the invention
Fig. 1 is the flow diagram of the battery detection method of the invention based on characteristic value identification；
Fig. 2 is the schematic block diagram of the battery check device of the invention based on characteristic value identification.
Specific embodiment
To make the purpose of the present invention, technical solution and effect clearer, clear and definite, right as follows in conjunction with drawings and embodiments
The present invention is further described.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to
Limit the present invention.
As shown in attached drawing 1-2, a kind of battery detection method based on characteristic value identification provided by the invention, comprising:
Obtain the blanking voltage of the first battery and the blanking voltage of the second battery；
The smaller value for selecting the blanking voltage of first battery and the second battery is safe charge voltage；
It charges by mesuring battary of the safe charge voltage；
When the voltage of the mesuring battary reaches some voltage characteristic point, charging current value at this time is recorded, with institute
The voltage characteristic point that mesuring battary voltage is raised through some column is stated, a series of corresponding charging current values are recorded；
By the charging current value of the mesuring battary with first battery and second battery in each character voltage
Charging current value matching when value charging；
The charging and discharging curve of selection and the more matched battery of charging current value of the mesuring battary.
Specifically, battery to be detected is one of the first battery and the second battery, first battery and described second
Battery is normal cell, is respectively labeled as battery A and battery B, and the first battery and second can be directly acquired from battery parameter
The blanking voltage of battery charging is respectively V_chargerA and V_chargerB, damages battery to be detected, needle to prevent overtension
To the first battery and the second battery, choosing V_charger=min (V_chargerA, V_chargerB) is safe charge voltage,
Wherein the corresponding relationship of the cell voltage and charging current of the first battery and the second battery is as follows:
And I_A1 ≠ I_B1, I_A2 ≠ I_B2, I_A3 ≠ I_B3 ..., I_AN ≠ I_BN, and V_charger > V_
battery1>V_Battery2>V_Battery3>…>V_batteryN.It is mesuring battary charging warp with safe charge voltage
A series of current value I_testN, I_test (N-1) ..., I_test2, I_ are obtained after crossing a series of voltage characteristic point
Test1, to obtained I_testN, I_test (N-1) ..., I_test2, I_test1 are with the first battery and the second battery each
The charging current value of a voltage characteristic value compares, which class battery mesuring battary just belongs to if more matching which battery,
Then the charging and discharging curve of the battery is selected, to obtain better charge and discharge effect.
In some embodiments, the voltage range of the mesuring battary is 3.2-4.2v.
In some embodiments, it is divided into 0.1v between the voltage characteristic point, totally 11, i.e., his corresponding positive voltage value is
11, corresponding current value is I_test11, I_test10 ..., I_test2, I_test1.
In addition, the present invention also provides a kind of battery check devices based on characteristic value identification, comprising:
Blanking voltage obtains module, is used to obtain the blanking voltage of the first battery and the blanking voltage of the second battery；
Safe charge voltage selecting module is used to select the smaller of the blanking voltage of first battery and the second battery
Value is safe charge voltage；
Charging module is used to charge by mesuring battary of the safe charge voltage；
Charging current value logging modle is used for when the voltage of the mesuring battary reaches some voltage characteristic point, note
The charging current value of record at this time records a series of as the mesuring battary voltage is raised through the voltage characteristic point of some column
Corresponding charging current value；
Charging current value matching module is used for the charging current value of the mesuring battary with first battery and institute
State charging current value matching of second battery when each characteristic voltage value charges；
Charging and discharging curve selecting module is used to select and the more matched battery of charging current value of the mesuring battary
Charging and discharging curve.
To sum up, working principle of the present invention is as follows:
A kind of battery detection method and device based on characteristic value identification provided by the invention, method include: acquisition the
The blanking voltage of the blanking voltage of one battery and the second battery；Select the blanking voltage of first battery and the second battery compared with
Small value is safe charge voltage；It charges by mesuring battary of the safe charge voltage；When the voltage of the mesuring battary reaches
When some voltage characteristic point, charging current value at this time is recorded, as the mesuring battary voltage is raised through the electricity of some column
Characteristic point is pressed, a series of corresponding charging current values are recorded；By the charging current value of the mesuring battary with first battery
And charging current value matching of second battery when each characteristic voltage value charges；The charging of selection and the mesuring battary
The charging and discharging curve of the more matched battery of current value.The charging and discharging curve that most mesuring battary is selected by matching current value, reaches
To the effect saved additional battery ID-pin with save ADC resource all the way.
It, can according to the technique and scheme of the present invention and its hair it is understood that for those of ordinary skills
Bright design is subject to equivalent substitution or change, and all these changes or replacement all should belong to the guarantor of appended claims of the invention
Protect range.
Claims (4)
1. a kind of battery detection method based on characteristic value identification characterized by comprising
Obtain the blanking voltage of the first battery and the blanking voltage of the second battery；
The smaller value for selecting the blanking voltage of first battery and the second battery is safe charge voltage；
It charges by mesuring battary of the safe charge voltage；
When the voltage of the mesuring battary reaches some voltage characteristic point, record charging current value at this time, with it is described to
The voltage characteristic point that cell voltage is raised through some column is surveyed, a series of corresponding charging current values are recorded；
The charging current value of the mesuring battary is filled with first battery and second battery in each characteristic voltage value
Charging current value matching when electric；
The charging and discharging curve of selection and the more matched battery of charging current value of the mesuring battary.
2. the battery detection method according to claim 1 based on characteristic value identification, which is characterized in that the mesuring battary
Voltage range be 3.2-4.2v.
3. the battery detection method according to claim 1 based on characteristic value identification, which is characterized in that the voltage characteristic
It is divided into 0.1v between point, totally 11.
4. a kind of battery check device based on characteristic value identification characterized by comprising
Blanking voltage obtains module, is used to obtain the blanking voltage of the first battery and the blanking voltage of the second battery；
Safe charge voltage selecting module, be used to select the smaller value of the blanking voltage of first battery and the second battery for
Safe charge voltage；
Charging module is used to charge by mesuring battary of the safe charge voltage；
Charging current value logging modle is used to record this when the voltage of the mesuring battary reaches some voltage characteristic point
When charging current value record a series of correspondences as the mesuring battary voltage is raised through the voltage characteristic point of some column
Charging current value；
Charging current value matching module is used for the charging current value of the mesuring battary with first battery and described
Charging current value matching of two batteries when each characteristic voltage value charges；
Charging and discharging curve selecting module is used to select the charge and discharge with the more matched battery of charging current value of the mesuring battary
Electric curve.
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| CN201910665556.5A CN110346732B (en) | 2019-07-23 | 2019-07-23 | Battery detection method and device based on characteristic value identification |
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| CN201910665556.5A CN110346732B (en) | 2019-07-23 | 2019-07-23 | Battery detection method and device based on characteristic value identification |
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| CN110346732B CN110346732B (en) | 2021-09-14 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111487487A (en) * | 2020-03-23 | 2020-08-04 | 威胜信息技术股份有限公司 | Device ID identification method and system based on ADC sampling and electronic device |
| CN111913118A (en) * | 2020-09-04 | 2020-11-10 | 湖州快驴科技有限公司 | Detection method capable of detecting battery history information |
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| CN110346732B (en) | 2021-09-14 |
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