CN108051746A - A kind of determination methods and terminal of battery normal power supply - Google Patents
A kind of determination methods and terminal of battery normal power supply Download PDFInfo
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- CN108051746A CN108051746A CN201711065639.8A CN201711065639A CN108051746A CN 108051746 A CN108051746 A CN 108051746A CN 201711065639 A CN201711065639 A CN 201711065639A CN 108051746 A CN108051746 A CN 108051746A
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- 238000001514 detection method Methods 0.000 claims abstract description 22
- 238000005259 measurement Methods 0.000 claims description 13
- 238000004590 computer program Methods 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 10
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- 238000007405 data analysis Methods 0.000 description 1
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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]
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Abstract
The present invention relates to battery technology fields more particularly to a kind of determination methods and terminal of battery normal power supply, method to comprise the following steps：According to battery difference electricity and corresponding voltage and internal resistance, tables of data is generated；The electricity of detection battery in real time, obtains voltage corresponding with the electricity and internal resistance in tables of data, judges whether battery can normal power supply.The present invention is by generating the tables of data of electricity voltage internal resistance, battery is solved due to the use of overlong time, internal resistance becomes larger, and makes internal resistance both end voltage drop excessive, the easy automatic shutdown of electronic product can not work normally, and cause user data loss or lead to the problem of other unnecessary losses.
Description
Technical field
The present invention relates to battery technology field more particularly to a kind of determination methods and terminal of battery normal power supply.
Background technology
The internal resistance of cell is as one of most important inner parameter of battery, performance, life appraisal and energy management with battery
Contact closely is suffered from, is an important technology index for weighing battery performance.With the consumption of button cell electricity,
The internal resistance of cell is gradually increased, and when the internal resistance of cell arrives certain value greatly, the operating current of product can cause the generation of internal resistance both ends larger
Pressure drop, this will cause product not open easy automatic shutdown in machine or work, and can cause unnecessary loss, and existing skill
In art there is no effective method to battery can normal power supply effectively judged.
The content of the invention
The technical problems to be solved by the invention are：The present invention provides one kind and timely and accurately judges that can battery normally supply
The method and terminal of electricity, so that user replaces battery in time, reduce unnecessary loss.
In order to solve the above technical problem, the present invention provides a kind of determination methods of battery normal power supply, including following
Step：
S1：According to battery difference electricity and corresponding voltage and internal resistance, tables of data is generated；
S2：The electricity of detection battery in real time, obtains voltage corresponding with the electricity and internal resistance in tables of data, judges battery
Whether can normal power supply.
The present invention also provides a kind of judgement terminals of battery normal power supply, including memory, processor and are stored in
On reservoir and the computer program that can run on a processor, the processor realize following steps when performing described program：
S1：According to battery difference electricity and corresponding voltage and internal resistance, tables of data is generated；
S2：The electricity of detection battery in real time, obtains voltage corresponding with the electricity and internal resistance in tables of data, judges battery
Whether can normal power supply.
Beneficial effects of the present invention are：
The present invention is by generating the tables of data of battery difference electricity and corresponding voltage and internal resistance, in battery-powered operation,
Charge value during detection battery powered in real time, by obtaining corresponding voltage and internal resistance in tables of data, can be calculated load two
Terminal voltage, so as to judge that can battery carry out normal power supply to load, enable users to learn in time battery whether can normal power supply,
Battery is solved due to the use of overlong time, internal resistance becomes larger, and drops internal resistance both end voltage excessive, electronic product easily closes automatically
Machine can not work normally, and cause user data loss or lead to the problem of other unnecessary losses.
Description of the drawings
Fig. 1 is the key step schematic diagram according to a kind of determination methods of battery normal power supply of the embodiment of the present invention；
Fig. 2 is the flow chart according to a kind of determination methods of battery normal power supply of the embodiment of the present invention；
Fig. 3 is the structure diagram according to a kind of judgement terminal of battery normal power supply of the embodiment of the present invention；
Label declaration：
1st, memory；2nd, processor.
Specific embodiment
For the technology contents that the present invention will be described in detail, the objects and the effects, below in conjunction with embodiment and coordinate attached
Figure is explained in detail.
Most critical of the present invention is contemplated that：Battery difference electricity and corresponding voltage and the tables of data of internal resistance are generated, is examined in real time
The electricity of battery is surveyed, voltage corresponding with the electricity and internal resistance in tables of data is obtained, judges whether battery can normal power supply.
Fig. 1 to Fig. 2 is refer to, the present invention provides a kind of determination methods of battery normal power supply, comprise the following steps：
S1：According to battery difference electricity and corresponding voltage and internal resistance, tables of data is generated；
S2：The electricity of detection battery in real time, obtains voltage corresponding with the electricity and internal resistance in tables of data, judges battery
Whether can normal power supply.
Preferably, the above method provided by the invention judges suitable for button cell normal power supply.
As can be seen from the above description, the tables of data of the invention by generating battery difference electricity and corresponding voltage and internal resistance,
During battery-powered operation, charge value during battery powered is detected in real time, it, can by obtaining corresponding voltage and internal resistance in tables of data
Load both end voltage is calculated, so as to judge that can battery carry out normal power supply to load, enables users to learn battery in time
Whether can normal power supply, solve battery due to the use of overlong time, internal resistance becomes larger, make internal resistance both end voltage drop it is excessive, electricity
The easy automatic shutdown of sub- product can not work normally, cause user data loss or lead to the problem of other unnecessary losses.
Further, the S1 is specially：
S11：According to battery both end voltage when the discharge current of battery, the voltage of battery zero load and electric discharge, it is calculated
The internal resistance of battery；
S12：Corresponding first electricity of battery both end voltage, unloaded voltage and the internal resistance are recorded to the tables of data
In；
S13：Judge whether total cell discharge electricity is more than default power threshold, if otherwise repeating step S11 to S13.
As can be seen from the above description, the tables of data of electricity-voltage-internal resistance can be quickly obtained by the above method, after being convenient for
Continuous Data Analysis Services.
Further, the S11 is specially：
Measure the voltage of battery zero load；
Obtain the maximum current for presetting electronic product to be powered；The discharge current of the battery is the maximum current；
The battery is controlled to discharge by the maximum current, starts the instantaneous measurement battery both ends electricity of electric discharge in battery
Pressure；
Unloaded voltage is subtracted after battery both end voltage divided by maximum current, obtains the internal resistance of battery；
When reaching default first time between when the cell is discharged, stop electric discharge, and battery standing was preset into for the second time.
As can be seen from the above description, by the way that battery is carried out discharge test according to maximum current, when can shorten battery discharge
Between, improve testing efficiency；, it is necessary to by the second time of battery standing after battery continuous discharge first time, prevent battery from discharging
Period, internal resistance is unstable and influences the measurement result of battery both end voltage, while internal resistance is by unloaded voltage, battery both ends electricity
Pressure and maximum current are calculated, and battery both end voltage must be measured in electric discharge beginning moment, and battery is prevented to be in electric discharge
State influences the measurement result of battery both end voltage since internal resistance is unstable, so as to influence the calculating measurement result of internal resistance.
Further, the S12 is specially：
While battery both end voltage is measured, the first electricity of battery is obtained；
Create tables of data；
First electricity, unloaded voltage and the internal resistance are recorded into tables of data, first electricity and zero load
Voltage and internal resistance are corresponding；
Preserve the tables of data.
As can be seen from the above description, by by above-mentioned data record and being stored in tables of data, so as to subsequently to same specification
Battery whether can normal power supply judged.
Further, the S13 is specially：
Battery discharge total time is multiplied by discharge current, obtains total cell discharge electricity；
Judge whether the total cell discharge electricity is more than default power threshold；
If it is not, then repeat step S11, S12 and S13.
It as can be seen from the above description, being capable of fast recording and when preserving battery and being in different electricity automatically by the above method
Corresponding cell voltage and internal resistance, so as to can timely and accurately judge the battery of same specification at work can normal power supply,
It solves since internal resistance both end voltage drop is excessive, makes electronic product automatic shutdown or can not start, and cause user data loss
The problem of.
Further, further included before the S1：
S0：Default host computer by RS232 Serial Port Lines and preset electronic load connect, by the positive and negative anodes of battery respectively with
The positive and negative anodes connection of the electronic load.
Further, the S11 is specially：
Measure the voltage of battery zero load；
Obtain the maximum current for presetting electronic product to be powered；
By adjusting the host computer, electronic load is made to be in constant current operating mode, and makes the work of electronic load
When electric current be the maximum current (constant current value during work of electronic load is the maximum current) so that electric
The discharge current in pond is the maximum current；The maximum current is no more than the electric current in electronic load constant current operating mode
Maximum；
Start the moment of electric discharge in battery, measure battery both end voltage；
Unloaded voltage is subtracted after battery both end voltage divided by maximum current, obtains the internal resistance of battery；
Made by time switch after presetting first time with the cell during discharge of load in series, when standing default second
Between；The time switch, load and battery series connection forming circuit.
As can be seen from the above description, it is used when above-mentioned electronic load is battery testing, during normal power supply, with test used in it is same
The battery of one specification, is powered electronic product；The present invention is not required manual discharge, passes through host computer by the above method
The time switch of control electronic load can accurately control the consumption of battery capacity, improve test automation degree, reduce
Use cost.
Further, the S2 is specially：
The electricity during work of detection battery in real time；
Voltage corresponding with the electricity and internal resistance in the tables of data are obtained, obtains first voltage and the first internal resistance；
The maximum current of battery powered electronic product is obtained, obtains the first electric current；
The first voltage is subtracted to the product of the first internal resistance and the first electric current, obtains second voltage；
Judge whether the second voltage is less than the minimum voltage that the electronic product can work normally, if so, sending
Warning information.
As can be seen from the above description, by the above method, can timely and accurately judge battery whether can to electronic product into
Row normal power supply；When battery can not work normally power supply, by warning information user is reminded to need to change battery, reduce user not
Necessary loss.
Further, further included between the S1 and S2：
According to electricity in the tables of data and corresponding voltage, matched curve, the first curve is obtained；
According to electricity in the tables of data and corresponding internal resistance, matched curve, the second curve is obtained；
Generation the first mathematic(al) representation corresponding with first curve；
Generation the second mathematic(al) representation corresponding with second curve.
As can be seen from the above description, by the above method, the corresponding voltage of battery difference electricity can rapidly and accurately be obtained
And internal resistance, improve data acquisition efficiency.
Further, the S2 is specially：
Electricity during battery work is obtained in real time；
The electricity is substituted into the first mathematic(al) representation and the second mathematic(al) representation, obtains corresponding tertiary voltage and second
Internal resistance；
The rated current of battery powered electronic product is obtained, obtains the second electric current；
The tertiary voltage is subtracted to the product of the second internal resistance and the second electric current, obtains the 4th voltage；
Judge whether the 4th voltage is less than the minimum voltage that the electronic product can work normally, if so, sending
Warning information.
As can be seen from the above description, by the above method, when can prevent that a certain electricity is not present in tables of data, and can not obtain
Corresponding voltage and internal resistance are taken, and leads to not judge the problem of can supplying cell work normally.
Refer to Fig. 3, the present invention provides a kind of judgement terminal of battery normal power supply, including memory 1, processor 2 and
The computer program that can be run on memory 1 and on processor 2 is stored in, the processor 2 is realized when performing described program
Following steps：
S1：According to battery difference electricity and corresponding voltage and internal resistance, tables of data is generated；
S2：The electricity of detection battery in real time, obtains voltage corresponding with the electricity and internal resistance in tables of data, judges battery
Whether can normal power supply.
Further, a kind of judgement terminal of battery normal power supply, the S1 are specially：
S11：According to battery both end voltage when the discharge current of battery, the voltage of battery zero load and electric discharge, it is calculated
The internal resistance of battery；
S12：Corresponding first electricity of battery both end voltage, unloaded voltage and the internal resistance are recorded to the tables of data
In；
S13：Judge whether total cell discharge electricity is more than default power threshold, if otherwise repeating step S11 to S13.
Further, a kind of judgement terminal of battery normal power supply, the S11 are specially：
Measure the voltage of battery zero load；
Obtain the maximum current for presetting electronic product to be powered；The discharge current of the battery is the maximum current；
The battery is controlled to discharge by the maximum current, starts the instantaneous measurement battery both ends electricity of electric discharge in battery
Pressure；
Unloaded voltage is subtracted after battery both end voltage divided by maximum current, obtains the internal resistance of battery；
When reaching default first time between when the cell is discharged, stop electric discharge, and battery standing was preset into for the second time.
Further, a kind of judgement terminal of battery normal power supply, the S12 are specially：
While battery both end voltage is measured, the first electricity of battery is obtained；
Create tables of data；
First electricity, unloaded voltage and the internal resistance are recorded into tables of data, first electricity and zero load
Voltage and internal resistance are corresponding；
Preserve the tables of data.
Further, a kind of judgement terminal of battery normal power supply, the S13 are specially：
Battery discharge total time is multiplied by discharge current, obtains total cell discharge electricity；
Judge whether the total cell discharge electricity is more than default power threshold；
If it is not, then repeat step S11, S12 and S13.
Further, the judgement terminal of a kind of battery normal power supply, the S1 are further included before：
S0：Default host computer by RS232 Serial Port Lines and preset electronic load connect, by the positive and negative anodes of battery respectively with
The positive and negative anodes connection of the electronic load.
Further, a kind of judgement terminal of battery normal power supply, the S11 are specially：
Measure the voltage of battery zero load；
Obtain the maximum current for presetting electronic product to be powered；
By adjusting the host computer, electronic load is made to be in constant current operating mode, and makes the work of electronic load
Electric current is the maximum current, so that the discharge current of battery is the maximum current；The maximum current is no more than electronics
Load the current maxima in constant current operating mode；
Start the moment of electric discharge in battery, measure battery both end voltage；
Unloaded voltage is subtracted after battery both end voltage divided by maximum current, obtains the internal resistance of battery；
Made by time switch after presetting first time with the cell during discharge of load in series, when standing default second
Between；The time switch, load and battery series connection forming circuit.
Further, a kind of judgement terminal of battery normal power supply, the S2 are specially：
The electricity during work of detection battery in real time；
Voltage corresponding with the electricity and internal resistance in the tables of data are obtained, obtains first voltage and the first internal resistance；
The maximum current of battery powered electronic product is obtained, obtains the first electric current；
The first voltage is subtracted to the product of the first internal resistance and the first electric current, obtains second voltage；
Judge whether the second voltage is less than the minimum voltage that the electronic product can work normally, if so, sending
Warning information.
Further, the judgement terminal of a kind of battery normal power supply, further includes between the S1 and S2：
According to electricity in the tables of data and corresponding voltage, matched curve, the first curve is obtained；
According to electricity in the tables of data and corresponding internal resistance, matched curve, the second curve is obtained；
Generation the first mathematic(al) representation corresponding with first curve；
Generation the second mathematic(al) representation corresponding with second curve.
Further, a kind of judgement terminal of battery normal power supply, the S2 are specially：
Electricity during battery work is obtained in real time；
The electricity is substituted into the first mathematic(al) representation and the second mathematic(al) representation, obtains corresponding tertiary voltage and second
Internal resistance；
The rated current of battery powered electronic product is obtained, obtains the second electric current；
The tertiary voltage is subtracted to the product of the second internal resistance and the second electric current, obtains the 4th voltage；
Judge whether the 4th voltage is less than the minimum voltage that the electronic product can work normally, if so, sending
Warning information.
Fig. 1 is refer to, the embodiment of the present invention one is：
The present invention provides a kind of determination methods of battery normal power supply, comprises the following steps：
S1：According to battery difference electricity and corresponding voltage and internal resistance, tables of data is generated；
The S1 is specially：
S11：According to battery both end voltage when the discharge current of battery, the voltage of battery zero load and electric discharge, it is calculated
The internal resistance of battery；
The S11 is specially：
Measure the voltage of battery zero load；
Obtain the maximum current for presetting electronic product to be powered；The discharge current of the battery is the maximum current；
The battery is controlled to discharge by the maximum current, starts the instantaneous measurement battery both ends electricity of electric discharge in battery
Pressure；
Unloaded voltage is subtracted after battery both end voltage divided by maximum current, obtains the internal resistance of battery；
When reaching default first time between when the cell is discharged, stop electric discharge, and battery standing was preset into for the second time.
S12：Corresponding first electricity of battery both end voltage, unloaded voltage and the internal resistance are recorded to the tables of data
In；
The S12 is specially：
While battery both end voltage is measured, the first electricity of battery is obtained；
Create tables of data；
First electricity, unloaded voltage and the internal resistance are recorded into tables of data, first electricity and zero load
Voltage and internal resistance are corresponding；
Preserve the tables of data.
S13：Judge whether total cell discharge electricity is more than default power threshold, if otherwise repeating step S11 to S13.
The S13 is specially：
Battery discharge total time is multiplied by discharge current, obtains total cell discharge electricity；
Judge whether the total cell discharge electricity is more than default power threshold；
If it is not, then repeat step S11, S12 and S13.
S2：The electricity of detection battery in real time, obtains voltage corresponding with the electricity and internal resistance in tables of data, judges battery
Whether can normal power supply.
Fig. 2 is refer to, the embodiment of the present invention two is：
The present invention provides a kind of determination methods of battery normal power supply, comprises the following steps：
S0：Default host computer by RS232 Serial Port Lines and preset electronic load connect, by the positive and negative anodes of battery respectively with
The positive and negative anodes connection of the electronic load.
S1：According to battery difference electricity and corresponding voltage and internal resistance, tables of data is generated；
The S1 is specially：
S11：According to battery both end voltage when the discharge current of battery, the voltage of battery zero load and electric discharge, it is calculated
The internal resistance of battery；
The S11 is specially：
Measure the voltage of battery zero load；
Obtain the maximum current for presetting electronic product to be powered；
By adjusting the host computer, electronic load is made to be in constant current operating mode, and makes the work of electronic load
Electric current is the maximum current, so that the discharge current of battery is the maximum current；The maximum current is no more than electronics
Load the current maxima in constant current operating mode；
Start the moment of electric discharge in battery, measure battery both end voltage；
Unloaded voltage is subtracted after battery both end voltage divided by maximum current, obtains the internal resistance of battery；
Made by time switch after presetting first time with the cell during discharge of load in series, when standing default second
Between；The time switch, load and battery series connection forming circuit.
S12：Corresponding first electricity of battery both end voltage, unloaded voltage and the internal resistance are recorded to the tables of data
In；
The S12 is specially：
While battery both end voltage is measured, the first electricity of battery is obtained；
Create tables of data；
First electricity, unloaded voltage and the internal resistance are recorded into tables of data, first electricity and zero load
Voltage and internal resistance are corresponding；
Preserve the tables of data.
S13：Judge whether total cell discharge electricity is more than default power threshold, if otherwise repeating step S11 to S13；
The S13 is specially：
Battery discharge total time is multiplied by discharge current, obtains total cell discharge electricity；
Judge whether the total cell discharge electricity is more than default power threshold；
If it is not, then repeat step S11, S12 and S13.
S2：The electricity of detection battery in real time, obtains voltage corresponding with the electricity and internal resistance in tables of data, judges battery
Whether can normal power supply；
The S2 is specially：
The electricity during work of detection battery in real time；
Voltage corresponding with the electricity and internal resistance in the tables of data are obtained, obtains first voltage and the first internal resistance；
The maximum current of battery powered electronic product is obtained, obtains the first electric current；
The first voltage is subtracted to the product of the first internal resistance and the first electric current, obtains second voltage；
Judge whether the second voltage is less than the minimum voltage that the electronic product can work normally, if so, sending
Warning information.
The embodiment of the present invention three is：
The present invention provides a kind of determination methods of battery normal power supply, comprises the following steps：
S1：According to battery difference electricity and corresponding voltage and internal resistance, tables of data is generated；
S2：According to electricity in the tables of data and corresponding voltage, matched curve, the first curve is obtained；According to the number
According to electricity in table and corresponding internal resistance, matched curve, the second curve is obtained；Generation the first mathematics corresponding with first curve
Expression formula；Generation the second mathematic(al) representation corresponding with second curve.
S3：The electricity of detection battery in real time, obtains voltage corresponding with the electricity and internal resistance in tables of data, judges battery
Whether can normal power supply；
The S3 is specially：
Electricity during battery work is obtained in real time；
The electricity is substituted into the first mathematic(al) representation and the second mathematic(al) representation, obtains corresponding tertiary voltage and second
Internal resistance；
The rated current of battery powered electronic product is obtained, obtains the second electric current；
The tertiary voltage is subtracted to the product of the second internal resistance and the second electric current, obtains the 4th voltage；
Judge whether the 4th voltage is less than the minimum voltage that the electronic product can work normally, if so, sending
Warning information.
Fig. 3 is refer to, the embodiment of the present invention four is：
The present invention provides a kind of judgement terminal of battery normal power supply, including memory, processor and is stored in memory
Computer program that is upper and can running on a processor, the processor realize following steps when performing described program：
S1：According to battery difference electricity and corresponding voltage and internal resistance, tables of data is generated；
The S1 is specially：
S11：According to battery both end voltage when the discharge current of battery, the voltage of battery zero load and electric discharge, it is calculated
The internal resistance of battery；
The S11 is specially：
Measure the voltage of battery zero load；
Obtain the maximum current for presetting electronic product to be powered；The discharge current of the battery is the maximum current；
The battery is controlled to discharge by the maximum current, starts the instantaneous measurement battery both ends electricity of electric discharge in battery
Pressure；
Unloaded voltage is subtracted after battery both end voltage divided by maximum current, obtains the internal resistance of battery；
When reaching default first time between when the cell is discharged, stop electric discharge, and battery standing was preset into for the second time.
S12：Corresponding first electricity of battery both end voltage, unloaded voltage and the internal resistance are recorded to the tables of data
In；
The S12 is specially：
While battery both end voltage is measured, the first electricity of battery is obtained；
Create tables of data；
First electricity, unloaded voltage and the internal resistance are recorded into tables of data, first electricity and zero load
Voltage and internal resistance are corresponding；
Preserve the tables of data.
S13：Judge whether total cell discharge electricity is more than default power threshold, if otherwise repeating step S11 to S13.
The S13 is specially：
Battery discharge total time is multiplied by discharge current, obtains total cell discharge electricity；
Judge whether the total cell discharge electricity is more than default power threshold；
If it is not, then repeat step S11, S12 and S13.
S2：The electricity of detection battery in real time, obtains voltage corresponding with the electricity and internal resistance in tables of data, judges battery
Whether can normal power supply.
The embodiment of the present invention five is：
The present invention provides a kind of judgement terminal of battery normal power supply, including memory, processor and is stored in memory
Computer program that is upper and can running on a processor, the processor realize following steps when performing described program：
S0：Default host computer by RS232 Serial Port Lines and preset electronic load connect, by the positive and negative anodes of battery respectively with
The positive and negative anodes connection of the electronic load.
S1：According to battery difference electricity and corresponding voltage and internal resistance, tables of data is generated；
The S1 is specially：
S11：According to battery both end voltage when the discharge current of battery, the voltage of battery zero load and electric discharge, it is calculated
The internal resistance of battery；
The S11 is specially：
Measure the voltage of battery zero load；
Obtain the maximum current for presetting electronic product to be powered；
By adjusting the host computer, electronic load is made to be in constant current operating mode, and makes the work of electronic load
Electric current is the maximum current, so that the discharge current of battery is the maximum current；The maximum current is no more than electronics
Load the current maxima in constant current operating mode；
Start the moment of electric discharge in battery, measure battery both end voltage；
Unloaded voltage is subtracted after battery both end voltage divided by maximum current, obtains the internal resistance of battery；
Made by time switch after presetting first time with the cell during discharge of load in series, when standing default second
Between；The time switch, load and battery series connection forming circuit.
S12：Corresponding first electricity of battery both end voltage, unloaded voltage and the internal resistance are recorded to the tables of data
In；
The S12 is specially：
While battery both end voltage is measured, the first electricity of battery is obtained；
Create tables of data；
First electricity, unloaded voltage and the internal resistance are recorded into tables of data, first electricity and zero load
Voltage and internal resistance are corresponding；
Preserve the tables of data.
S13：Judge whether total cell discharge electricity is more than default power threshold, if otherwise repeating step S11 to S13；
The S13 is specially：
Battery discharge total time is multiplied by discharge current, obtains total cell discharge electricity；
Judge whether the total cell discharge electricity is more than default power threshold；
If it is not, then repeat step S11, S12 and S13.
S2：The electricity of detection battery in real time, obtains voltage corresponding with the electricity and internal resistance in tables of data, judges battery
Whether can normal power supply；
The S2 is specially：
The electricity during work of detection battery in real time；
Voltage corresponding with the electricity and internal resistance in the tables of data are obtained, obtains first voltage and the first internal resistance；
The maximum current of battery powered electronic product is obtained, obtains the first electric current；
The first voltage is subtracted to the product of the first internal resistance and the first electric current, obtains second voltage；
Judge whether the second voltage is less than the minimum voltage that the electronic product can work normally, if so, sending
Warning information.
The embodiment of the present invention six is：
The present invention provides a kind of judgement terminal of battery normal power supply, including memory, processor and is stored in memory
Computer program that is upper and can running on a processor, the processor realize following steps when performing described program：
S1：According to battery difference electricity and corresponding voltage and internal resistance, tables of data is generated；
S2：According to electricity in the tables of data and corresponding voltage, matched curve, the first curve is obtained；According to the number
According to electricity in table and corresponding internal resistance, matched curve, the second curve is obtained；Generation the first mathematics corresponding with first curve
Expression formula；Generation the second mathematic(al) representation corresponding with second curve.
S3：The electricity of detection battery in real time, obtains voltage corresponding with the electricity and internal resistance in tables of data, judges battery
Whether can normal power supply；
The S3 is specially：
Electricity during battery work is obtained in real time；
The electricity is substituted into the first mathematic(al) representation and the second mathematic(al) representation, obtains corresponding tertiary voltage and second
Internal resistance；
The rated current of battery powered electronic product is obtained, obtains the second electric current；
The tertiary voltage is subtracted to the product of the second internal resistance and the second electric current, obtains the 4th voltage；
Judge whether the 4th voltage is less than the minimum voltage that the electronic product can work normally, if so, sending
Warning information.
The embodiment of the present invention seven is：
1st, electronic load and host computer are connected：Electronic load with host computer by RS232 Serial Port Lines is connected, and is set
The discharge current of electronic load is the maximum current of electronic product, and such as 2mA is switched by " ON/OFF " on host front panel and closed
Load current.
2nd, electronic load and small-capacity cells are connected：The positive and negative anodes of battery are connected respectively with the positive and negative anodes of electronic load,
By the time switch of PC control electronic load and the operating mode of electronic load, so as to fulfill battery power consumption
Control system.
3rd, RS232 serial ports configures：VISA resource names and configuration serial port baud rate are selected on host computer procedure panel,
" VISA resource names " is to select the electronic load interface name accessed, Configuration of baud rate 9600bps；
4th, electronic load current stops battery condition setting with electric discharge：According to the maximum current of test product, electronics is set
The operating current of load, that is, the discharge current for setting battery are the maximum current, it is assumed that product maximum current is 2mA, then sets
Put the 2mA of cell during discharge electric current；The setting of discharge electricity amount stop condition can be set according to the size of battery capacity, when tested
When the total discharge electricity amount of battery is more than the power threshold set, stop electric discharge.
5th, electronic load remote control is opened：Host computer sends remote control order so that electronic load is true with host computer
Just connect.
6th, before starting offered load electric current, the voltage of tested battery zero load is first tested.
7th, electronic load ON/OFF switches are opened, battery capacity and measurement switch will open moment battery both ends electricity at this time
Pressure is recorded in tables of data.
8th, unloaded voltage is subtracted after battery both end voltage divided by maximum current, obtains the internal resistance of battery, and will described in
Internal resistance is recorded in tables of data, and the electricity is corresponding with unloaded voltage and internal resistance；When reaching 4 hours between when the cell is discharged,
Stop electric discharge, judge whether total cell discharge electricity is more than default power threshold, if it is not, then allow after battery standing half an hour, weight
Step 6,7 and 8 are performed again；If so, perform step 9.
9th, the data in tables of data are automatically write into excel reports, this testing journal sheet of renaming simultaneously automatically saves.
10th, electricity during detection battery work in real time；Obtain in the tables of data voltage corresponding with the electricity and interior
Resistance, obtains first voltage and the first internal resistance；The maximum current of battery powered electronic product is obtained, obtains the first electric current；By institute
The product that first voltage subtracts the first internal resistance and the first electric current is stated, obtains second voltage；Judge whether the second voltage is less than
The minimum voltage that the electronic product can work normally, if so, sending a warning.
Above-mentioned steps 1 to 9 are tables of data generation phase (test phase), and can step 10 normal power supply rank for detection battery
Section.
In conclusion the tables of data of the invention by generating battery difference electricity and corresponding voltage and internal resistance, supplies in battery
During electricity work, charge value during battery powered is detected in real time, by obtaining corresponding voltage and internal resistance in tables of data, can be calculated
To load both end voltage, so as to judge that can battery carry out normal power supply to load, enable users to learn that battery whether can in time
Normal power supply solves battery due to the use of overlong time, and internal resistance becomes larger, and internal resistance both end voltage is made to drop excessive, electronic product
Easy automatic shutdown can not work normally, cause user data loss or lead to the problem of other unnecessary losses；Meanwhile this
Invention can shorten battery discharge time, improve testing efficiency by the way that battery is carried out discharge test according to maximum current；Battery
, it is necessary to by the second time of battery standing after continuous discharge first time, battery is prevented during electric discharge, and internal resistance is unstable and influences
The measurement result of battery both end voltage, while internal resistance is calculated by floating voltage, battery both end voltage and maximum current,
Battery both end voltage must be measured in electric discharge beginning moment, and battery is prevented to be in electric discharge state, is influenced since internal resistance is unstable
The measurement result of battery both end voltage, so as to influence the calculating measurement result of internal resistance.
The foregoing is merely the embodiment of the present invention, are not intended to limit the scope of the invention, every to utilize this hair
The equivalents that bright specification and accompanying drawing content are made directly or indirectly are used in other related technical areas, similarly
It is included within the scope of the present invention.
Claims (20)
1. a kind of determination methods of battery normal power supply, which is characterized in that comprise the following steps：
S1：According to battery difference electricity and corresponding voltage and internal resistance, tables of data is generated；
S2：The electricity of detection battery in real time, obtains voltage corresponding with the electricity and internal resistance in tables of data, whether judges battery
It can normal power supply.
2. the determination methods of a kind of battery normal power supply according to claim 1, which is characterized in that the S1 is specially：
S11：According to battery both end voltage when the discharge current of battery, the voltage of battery zero load and electric discharge, battery is calculated
Internal resistance；
S12：Corresponding first electricity of battery both end voltage, unloaded voltage and the internal resistance are recorded into the tables of data；
S13：Judge whether total cell discharge electricity is more than default power threshold, if otherwise repeating step S11 extremely
S13。
3. the determination methods of a kind of battery normal power supply according to claim 2, which is characterized in that the S11 is specially：
Measure the voltage of battery zero load；
Obtain the maximum current for presetting electronic product to be powered；The discharge current of the battery is the maximum current；
The battery is controlled to discharge by the maximum current, starts the instantaneous measurement battery both end voltage of electric discharge in battery；
Unloaded voltage is subtracted after battery both end voltage divided by maximum current, obtains the internal resistance of battery；
When reaching default first time between when the cell is discharged, stop electric discharge, and battery standing was preset into for the second time.
4. the determination methods of a kind of battery normal power supply according to claim 3, which is characterized in that the S12 is specially：
While battery both end voltage is measured, the first electricity of battery is obtained；
Create tables of data；
First electricity, unloaded voltage and the internal resistance are recorded into tables of data, first electricity and unloaded voltage
It is corresponding with internal resistance；
Preserve the tables of data.
5. the determination methods of a kind of battery normal power supply according to claim 2, which is characterized in that the S13 is specially：
Battery discharge total time is multiplied by discharge current, obtains total cell discharge electricity；
Judge whether the total cell discharge electricity is more than default power threshold；
If it is not, then repeat step S11, S12 and S13.
6. the determination methods of a kind of battery normal power supply according to claim 2, which is characterized in that also wrapped before the S1
It includes：
S0：Default host computer by RS232 Serial Port Lines and preset electronic load connect, by the positive and negative anodes of battery respectively with it is described
The positive and negative anodes connection of electronic load.
7. the determination methods of a kind of battery normal power supply according to claim 6, which is characterized in that the S11 is specially：
Measure the voltage of battery zero load；
Obtain the maximum current for presetting electronic product to be powered；
By adjusting the host computer, the discharge current for making battery is the maximum current；
Start the moment of electric discharge in battery, measure battery both end voltage；
Unloaded voltage is subtracted after battery both end voltage divided by maximum current, obtains the internal resistance of battery；
Made by time switch after presetting first time with the cell during discharge of load in series, stand default second time；Institute
State time switch, load and battery series connection forming circuit.
8. the determination methods of a kind of battery normal power supply according to claim 1, which is characterized in that the S2 is specially：
The electricity during work of detection battery in real time；
Voltage corresponding with the electricity and internal resistance in the tables of data are obtained, obtains first voltage and the first internal resistance；
The maximum current of battery powered electronic product is obtained, obtains the first electric current；
The first voltage is subtracted to the product of the first internal resistance and the first electric current, obtains second voltage；
Judge whether the second voltage is less than the minimum voltage that the electronic product can work normally, if so, sending alarm
Information.
9. the determination methods of a kind of battery normal power supply according to claim 1, which is characterized in that between the S1 and S2
It further includes：
According to electricity in the tables of data and corresponding voltage, matched curve, the first curve is obtained；
According to electricity in the tables of data and corresponding internal resistance, matched curve, the second curve is obtained；
Generation the first mathematic(al) representation corresponding with first curve；
Generation the second mathematic(al) representation corresponding with second curve.
10. the determination methods of a kind of battery normal power supply according to claim 9, which is characterized in that the S2 is specially：
Electricity during battery work is obtained in real time；
The electricity is substituted into the first mathematic(al) representation and the second mathematic(al) representation, is obtained in corresponding tertiary voltage and second
Resistance；
The rated current of battery powered electronic product is obtained, obtains the second electric current；
The tertiary voltage is subtracted to the product of the second internal resistance and the second electric current, obtains the 4th voltage；
Judge whether the 4th voltage is less than the minimum voltage that the electronic product can work normally, if so, sending alarm
Information.
11. a kind of judgement terminal of battery normal power supply, on a memory and can handled including memory, processor and storage
The computer program run on device, which is characterized in that the processor realizes following steps when performing described program：
S1：According to battery difference electricity and corresponding voltage and internal resistance, tables of data is generated；
S2：The electricity of detection battery in real time, obtains voltage corresponding with the electricity and internal resistance in tables of data, whether judges battery
It can normal power supply.
12. the judgement terminal of a kind of battery normal power supply according to claim 11, which is characterized in that the S1 is specific
For：
S11：According to battery both end voltage when the discharge current of battery, the voltage of battery zero load and electric discharge, battery is calculated
Internal resistance；
S12：Corresponding first electricity of battery both end voltage, unloaded voltage and the internal resistance are recorded into the tables of data；
S13：Judge whether total cell discharge electricity is more than default power threshold, if otherwise repeating step S11 to S13.
13. the judgement terminal of a kind of battery normal power supply according to claim 12, which is characterized in that the S11 is specific
For：
Measure the voltage of battery zero load；
Obtain the maximum current for presetting electronic product to be powered；The discharge current of the battery is the maximum current；
The battery is controlled to discharge by the maximum current, starts the instantaneous measurement battery both end voltage of electric discharge in battery；
Unloaded voltage is subtracted after battery both end voltage divided by maximum current, obtains the internal resistance of battery；
When reaching default first time between when the cell is discharged, stop electric discharge, and battery standing was preset into for the second time.
14. the judgement terminal of a kind of battery normal power supply according to claim 13, which is characterized in that the S12 is specific
For：
While battery both end voltage is measured, the first electricity of battery is obtained；
Create tables of data；
First electricity, unloaded voltage and the internal resistance are recorded into tables of data, first electricity and unloaded voltage
It is corresponding with internal resistance；
Preserve the tables of data.
15. the judgement terminal of a kind of battery normal power supply according to claim 12, which is characterized in that the S13 is specific
For：
Battery discharge total time is multiplied by discharge current, obtains total cell discharge electricity；
Judge whether the total cell discharge electricity is more than default power threshold；
If it is not, then repeat step S11, S12 and S13.
16. the judgement terminal of a kind of battery normal power supply according to claim 12, which is characterized in that before the S1 also
Including：
S0：Default host computer by RS232 Serial Port Lines and preset electronic load connect, by the positive and negative anodes of battery respectively with it is described
The positive and negative anodes connection of electronic load.
17. the judgement terminal of a kind of battery normal power supply according to claim 16, which is characterized in that the S11 is specific
For：
Measure the voltage of battery zero load；
Obtain the maximum current for presetting electronic product to be powered；
By adjusting the host computer, the discharge current for making battery is the maximum current；
Start the moment of electric discharge in battery, measure battery both end voltage；
Unloaded voltage is subtracted after battery both end voltage divided by maximum current, obtains the internal resistance of battery；
Made by time switch after presetting first time with the cell during discharge of load in series, stand default second time；Institute
State time switch, load and battery series connection forming circuit.
18. the judgement terminal of a kind of battery normal power supply according to claim 11, which is characterized in that the S2 is specific
For：
The electricity during work of detection battery in real time；
Voltage corresponding with the electricity and internal resistance in the tables of data are obtained, obtains first voltage and the first internal resistance；
The maximum current of battery powered electronic product is obtained, obtains the first electric current；
The first voltage is subtracted to the product of the first internal resistance and the first electric current, obtains second voltage；
Judge whether the second voltage is less than the minimum voltage that the electronic product can work normally, if so, sending alarm
Information.
19. a kind of judgement terminal of battery normal power supply according to claim 11, which is characterized in that the S1 and S2 it
Between further include：
According to electricity in the tables of data and corresponding voltage, matched curve, the first curve is obtained；
According to electricity in the tables of data and corresponding internal resistance, matched curve, the second curve is obtained；
Generation the first mathematic(al) representation corresponding with first curve；
Generation the second mathematic(al) representation corresponding with second curve.
20. the judgement terminal of a kind of battery normal power supply according to claim 19, which is characterized in that the S2 is specific
For：
Electricity during battery work is obtained in real time；
The electricity is substituted into the first mathematic(al) representation and the second mathematic(al) representation, is obtained in corresponding tertiary voltage and second
Resistance；
The rated current of battery powered electronic product is obtained, obtains the second electric current；
The tertiary voltage is subtracted to the product of the second internal resistance and the second electric current, obtains the 4th voltage；
Judge whether the 4th voltage is less than the minimum voltage that the electronic product can work normally, if so, sending alarm
Information.
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