CN111707948A - Endurance time evaluation method and device of external battery power supply system - Google Patents
Endurance time evaluation method and device of external battery power supply system Download PDFInfo
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- CN111707948A CN111707948A CN202010383597.8A CN202010383597A CN111707948A CN 111707948 A CN111707948 A CN 111707948A CN 202010383597 A CN202010383597 A CN 202010383597A CN 111707948 A CN111707948 A CN 111707948A
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- 238000011156 evaluation Methods 0.000 title claims description 16
- 238000000034 method Methods 0.000 claims abstract description 33
- 238000007599 discharging Methods 0.000 claims description 24
- 238000004590 computer program Methods 0.000 claims description 16
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- 230000009286 beneficial effect Effects 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]
- G01R31/385—Arrangements for measuring battery or accumulator variables
Abstract
The invention discloses a method and a device for estimating the endurance time of an external battery power supply system, wherein the method comprises the following steps: continuously acquiring a discharge voltage curve of a currently working battery according to a preset time interval within a preset time period, and comparing the discharge voltage curve with discharge voltage curves stored in a discharge voltage curve database one by one; if a pre-stored discharge voltage curve which is matched within a preset error range is inquired, estimating the endurance time according to the pre-stored discharge voltage curve; and if not, recording the discharge voltage curve of the currently working battery and storing the discharge voltage curve into a discharge voltage curve database. The method can collect the current discharge voltage curve of the battery, then compares the current discharge voltage curve with the pre-stored discharge voltage curve, and can evaluate the endurance time of the battery if the corresponding discharge voltage curve is found, and record the discharge voltage curve of the battery if the corresponding discharge voltage curve is not found, and can evaluate the endurance time of the battery when the battery is used next time.
Description
Technical Field
The invention relates to the technical field of endurance evaluation of electronic equipment, in particular to an endurance evaluation method and device of an external battery power supply system.
Background
In the field of measuring instruments, some electronic devices need to be continuously operated outdoors, and the endurance time of the electronic devices influences the operation time, so that the endurance time evaluation of the electronic devices is very critical. The electronic equipment supports an external battery to supply power, one electronic equipment has the situation of using batteries with various specifications, and when the batteries with different capacities are used, the electronic equipment cannot accurately evaluate the endurance time because the equipment cannot judge the capacity and the discharge voltage curve of the currently used battery.
Disclosure of Invention
In order to overcome the defects of the prior art, one of the objectives of the present invention is to provide a method for estimating the endurance time of an external battery power supply system, which can collect the discharge voltage curve of the current battery, compare the discharge voltage curve with the discharge voltage curve in the database, find out the corresponding discharge voltage curve to estimate the endurance time, record the discharge voltage curve of the battery and store the discharge voltage curve into the database when the corresponding discharge voltage curve is not found in the database, and estimate the endurance time when the battery is used next time.
Another object of the present invention is to provide an electronic device, which can collect a current discharging voltage curve of a battery, compare the current discharging voltage curve with a discharging voltage curve in a database, and evaluate a duration time if a corresponding discharging voltage curve is found, and record and store the discharging voltage curve of the battery into the database when the corresponding discharging voltage curve is not found in the database, so as to evaluate a duration time when the battery is used next time.
The invention also provides a computer-readable storage medium, wherein when a program in the storage medium runs, a current discharge voltage curve of a battery can be acquired, then the current discharge voltage curve is compared with a discharge voltage curve in a database, the corresponding discharge voltage curve is searched, the endurance time can be evaluated, when the corresponding discharge voltage curve is not searched in the database, the discharge voltage curve of the battery is recorded and stored in the database, and when the battery is used next time, the endurance time can be evaluated.
One of the purposes of the invention is realized by adopting the following technical scheme:
a endurance time evaluation method of an external battery power supply system comprises the following steps:
continuously acquiring a discharge voltage curve of a currently working battery according to a preset time interval within a preset time period, and comparing the discharge voltage curve with discharge voltage curves stored in a discharge voltage curve database one by one;
if a pre-stored discharge voltage curve which is identical with the discharge voltage curve of the currently working battery within a preset error range is inquired in the discharge voltage curve database, estimating the endurance time of the current battery according to the pre-stored discharge voltage curve;
if the pre-stored discharge voltage curve which is identical with the discharge voltage curve of the currently working battery within the preset error range is not inquired in the discharge voltage curve database, recording the discharge voltage curve of the currently working battery in the whole working process and storing the discharge voltage curve into the discharge voltage curve database.
Further, a discharging voltage curve of the currently working battery is continuously acquired through the analog-to-digital converter according to a preset time interval.
Further, in a preset time period, continuously collecting the discharge voltage curve of the currently working battery according to a preset time interval, and comparing the discharge voltage curve with the discharge voltage curve stored in the discharge voltage curve database one by one, specifically:
and continuously acquiring a discharge voltage curve of the currently working battery according to a preset time interval within a preset time period, acquiring a corresponding discharge voltage curve database according to the working mode of the current equipment, and comparing the acquired discharge voltage curve of the currently working battery with the discharge voltage curve in the discharge voltage curve database corresponding to the current working mode one by one.
Further, the recording and storing the discharge voltage curve of the currently operating battery into the discharge voltage curve database specifically includes:
in the working process of the battery, the voltage of the currently working battery is continuously collected according to a preset time interval, so that a discharge voltage curve of the currently working battery in the whole working process is formed and stored in a discharge voltage curve database.
Further, the storing the discharge voltage curve into the discharge voltage curve database specifically includes: and storing the discharge voltage curve into a discharge voltage curve database corresponding to the working mode according to the current working mode of the equipment.
Further, after the endurance time of the current battery is evaluated according to the pre-stored discharge voltage curve, the method further comprises the following steps:
if the working mode of the equipment is monitored to be changed, the discharging voltage curve of the battery which works currently is collected again, and the collected discharging voltage curve of the battery which works currently is compared with the discharging voltage curve in the discharging voltage curve database one by one to re-evaluate the endurance time.
Further, the step of comparing the collected discharge voltage curve of the currently working battery with the discharge voltage curves in the discharge voltage curve database one by one to re-evaluate the endurance time specifically comprises: and comparing the collected discharge voltage curve of the battery working at present with the discharge voltage curve in the discharge voltage curve database corresponding to the current working mode one by one to reevaluate the endurance time.
Further, the preset time period is 20 minutes, and the preset time interval is 20 seconds.
The second purpose of the invention is realized by adopting the following technical scheme:
an electronic device comprises a processor and a memory, wherein the memory stores an executable computer program, and the processor can read the computer program in the memory and operate to realize the endurance evaluation method of the external battery power supply system.
The third purpose of the invention is realized by adopting the following technical scheme:
a computer-readable storage medium, in which an executable computer program is stored, which when executed, can implement the method for estimating the endurance of an external battery-powered system as described above.
Compared with the prior art, the invention has the beneficial effects that:
the endurance time evaluation method of the external battery power supply system can acquire a current discharge voltage curve of the battery, then compares the current discharge voltage curve with a discharge voltage curve in a database, and can realize the evaluation of the endurance time if the corresponding discharge voltage curve is found out, and when the corresponding discharge voltage curve is not found out in the database, the discharge voltage curve of the battery is recorded and stored in the database, and the evaluation of the endurance time can be realized when the battery is used next time; the method solves the problem that the endurance time of the electronic equipment cannot be accurately estimated when the electronic equipment is powered by external batteries with various specifications.
Drawings
Fig. 1 is a schematic flow chart of a method for estimating a endurance time of an external battery power supply system according to the present invention;
fig. 2 is a battery voltage acquisition circuit in the endurance time evaluation method of the external battery power supply system according to the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.
Please refer to fig. 1, which is a schematic flow chart of a method for estimating a endurance time of an external battery power supply system, comprising the following steps:
s1, continuously collecting the discharge voltage curve of the current working battery according to a preset time interval in a preset time period, and comparing the discharge voltage curve with the discharge voltage curve stored in the discharge voltage curve database one by one; the preset time period may be set to 20 minutes, and the preset time interval may be set to 20 seconds;
s2, if a pre-stored discharge voltage curve matched with the discharge voltage curve of the currently working battery within a preset error range is inquired in the discharge voltage curve database, estimating the endurance time of the current battery according to the pre-stored discharge voltage curve; the preset error range can be set to 5%;
and S3, if the pre-stored discharge voltage curve which is matched with the discharge voltage curve of the current working battery within the preset error range is not inquired in the discharge voltage curve database, recording the discharge voltage curve of the current working battery in the whole working process and storing the discharge voltage curve into the discharge voltage curve database.
The endurance time evaluation method of the external battery power supply system can collect the discharge voltage curve of the current battery, then compares the discharge voltage curve with the discharge voltage curve in the discharge voltage curve database, and can realize the endurance time evaluation if the corresponding discharge voltage curve is found, and when the corresponding discharge voltage curve is not found in the discharge voltage curve database, the discharge voltage curve of the battery is recorded and stored in the discharge voltage curve database, and the endurance time evaluation can be realized when the battery is used next time.
In a preferred embodiment, the discharge voltage curve of the currently operating battery is continuously acquired by an ADC (Analog to Digital Converter) at preset time intervals. The ADC may be an independent chip or an ADC of a processor (e.g., MCU) itself, and the processor performs the battery voltage acquisition by controlling the ADC. As shown in fig. 2, "BATTERY" is the BATTERY input terminal, and R1 and R2 are voltage dividing resistors, so that the divided voltage satisfies the input electrical characteristics of the ADC; c2 is a filter capacitor, C1 is a feedthrough capacitor, and C1 and C2 are used for filtering high-frequency noise in voltage so that the voltage acquired by the ADC is more accurate; d1 is a Zener diode to prevent the ADC acquisition unit from being burnt out due to overhigh voltage; "ADC _ IN" is the voltage collected by the ADC of the MCU after voltage division, and the battery voltage can be calculated by collecting the voltage at the voltage and dividing the voltage by the divider resistor, so that a discharge voltage curve is formed.
As a preferred embodiment, the continuously collecting the discharge voltage curve of the currently operating battery at preset time intervals within a preset time period, and comparing the discharge voltage curve with the discharge voltage curve stored in the discharge voltage curve database one by one specifically includes:
and continuously acquiring a discharge voltage curve of the currently working battery according to a preset time interval within a preset time period, acquiring a corresponding discharge voltage curve database according to the working mode of the current equipment, and comparing the acquired discharge voltage curve of the currently working battery with the discharge voltage curve in the discharge voltage curve database corresponding to the current working mode one by one.
Generally, an electronic device has multiple operating modes, and power consumption of each operating mode is different, so that a discharge voltage curve of the same battery in each operating mode needs to be recorded and stored in a discharge voltage curve database corresponding to each operating mode. When the discharge voltage curves are compared, most irrelevant discharge voltage curves can be screened out through the working mode, the number of curves needing to be compared is reduced, and the comparison efficiency is improved.
As a preferred embodiment, the recording and storing the discharge voltage curve of the currently operating battery into the discharge voltage curve database specifically includes:
continuously collecting the voltage of the currently working battery according to a preset time interval in the working process of the battery, thereby forming a discharge voltage curve of the currently working battery in the whole working process and storing the discharge voltage curve into a discharge voltage curve database; more preferably, the discharge voltage curve may be stored in a discharge voltage curve database corresponding to the current operating mode of the device.
As a preferred embodiment, after estimating the current battery endurance time according to the pre-stored discharge voltage curve, the method further comprises the following steps:
if the working mode of the equipment is monitored to be changed, the discharging voltage curve of the battery which works currently is collected again, and the collected discharging voltage curve of the battery which works currently is compared with the discharging voltage curve in the discharging voltage curve database one by one to re-evaluate the endurance time.
In the operation process, the working modes may need to be switched, and since the power consumption of each working mode is different, after the working modes are switched, the discharging voltage curve of the battery needs to be collected again, the database needs to be searched again for discharging voltage curve matching, and therefore the endurance time of the battery in the current working mode is evaluated again.
As a preferred embodiment, the step of comparing the collected discharge voltage curve of the currently operating battery with the discharge voltage curves in the discharge voltage curve database one by one to re-evaluate the endurance specifically includes: and comparing the collected discharge voltage curve of the battery working at present with the discharge voltage curve in the discharge voltage curve database corresponding to the current working mode one by one to reevaluate the endurance time. Through classifying and storing the discharge voltage curves according to the working modes, the curve comparison efficiency can be improved, and the working pressure of the processor is reduced.
The invention also provides an electronic device, which comprises a processor and a memory, wherein the memory stores an executable computer program, and the processor can read the computer program in the memory and run the computer program to realize the endurance time evaluation method of the external battery power supply system.
In addition, the invention also provides a computer readable storage medium, wherein the computer readable storage medium stores an executable computer program, and when the computer program runs, the method for estimating the endurance time of the external battery power supply system can be realized.
The computer-readable storage medium stores a computer program in which the method of the present invention, if implemented in the form of software functional units and sold or used as a stand-alone product, can be stored. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer storage medium and used by a processor to implement the steps of the embodiments of the method. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer storage medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like. It should be noted that the computer storage media may include content that is subject to appropriate increase or decrease as required by legislation and patent practice in jurisdictions, for example, in some jurisdictions, computer storage media that does not include electrical carrier signals and telecommunications signals as subject to legislation and patent practice.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. A endurance time evaluation method of an external battery power supply system is characterized by comprising the following steps:
continuously acquiring a discharge voltage curve of a currently working battery according to a preset time interval within a preset time period, and comparing the discharge voltage curve with discharge voltage curves stored in a discharge voltage curve database one by one;
if a pre-stored discharge voltage curve which is identical with the discharge voltage curve of the currently working battery within a preset error range is inquired in the discharge voltage curve database, estimating the endurance time of the current battery according to the pre-stored discharge voltage curve;
if the pre-stored discharge voltage curve which is identical with the discharge voltage curve of the currently working battery within the preset error range is not inquired in the discharge voltage curve database, recording the discharge voltage curve of the currently working battery in the whole working process and storing the discharge voltage curve into the discharge voltage curve database.
2. The method for estimating the endurance of an external battery power supply system according to claim 1, wherein the discharging voltage curve of the currently operating battery is continuously collected by the analog-to-digital converter at preset time intervals.
3. The method for estimating the endurance time of an external battery power supply system according to claim 1, wherein the step of continuously acquiring the discharge voltage curve of the currently operating battery at preset time intervals within a preset time period and comparing the discharge voltage curve with the discharge voltage curve stored in the discharge voltage curve database one by one specifically comprises the steps of:
and continuously acquiring a discharge voltage curve of the currently working battery according to a preset time interval within a preset time period, acquiring a corresponding discharge voltage curve database according to the working mode of the current equipment, and comparing the acquired discharge voltage curve of the currently working battery with the discharge voltage curve in the discharge voltage curve database corresponding to the current working mode one by one.
4. The method for estimating the endurance time of an external battery power supply system according to claim 1, wherein the recording and storing the discharge voltage curve of the currently operating battery into the discharge voltage curve database specifically comprises:
in the working process of the battery, the voltage of the currently working battery is continuously collected according to a preset time interval, so that a discharge voltage curve of the currently working battery in the whole working process is formed and stored in a discharge voltage curve database.
5. The method according to claim 4, wherein the step of storing the discharging voltage curve in the discharging voltage curve database comprises: and storing the discharge voltage curve into a discharge voltage curve database corresponding to the working mode according to the current working mode of the equipment.
6. The method for estimating the endurance of an external battery power supply system according to claim 1, further comprising, after estimating the current endurance of the battery according to the pre-stored discharge voltage curve, the steps of:
if the working mode of the equipment is monitored to be changed, the discharging voltage curve of the battery which works currently is collected again, and the collected discharging voltage curve of the battery which works currently is compared with the discharging voltage curve in the discharging voltage curve database one by one to re-evaluate the endurance time.
7. The method for estimating the endurance of an external battery power supply system according to claim 6, wherein the step of comparing the collected discharge voltage curve of the currently operating battery with the discharge voltage curves in the discharge voltage curve database one by one to estimate the endurance again specifically comprises: and comparing the collected discharge voltage curve of the battery working at present with the discharge voltage curve in the discharge voltage curve database corresponding to the current working mode one by one to reevaluate the endurance time.
8. The method according to any one of claims 1 to 7, wherein the predetermined time period is 20 minutes, and the predetermined time interval is 20 seconds.
9. An electronic device, comprising a processor and a memory, wherein the memory stores an executable computer program, and the processor can read the computer program in the memory and operate to implement the endurance estimation method of the external battery power supply system according to any one of claims 1 to 8.
10. A computer-readable storage medium, in which an executable computer program is stored, which when running can implement the method for estimating a endurance of an external battery-powered system according to any one of claims 1 to 8.
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Application publication date: 20200925 |