CN108802616A - Electrical equipment and its battery capacity management method and system - Google Patents
Electrical equipment and its battery capacity management method and system Download PDFInfo
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- CN108802616A CN108802616A CN201710288201.XA CN201710288201A CN108802616A CN 108802616 A CN108802616 A CN 108802616A CN 201710288201 A CN201710288201 A CN 201710288201A CN 108802616 A CN108802616 A CN 108802616A
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- 238000007726 management method Methods 0.000 title claims abstract description 26
- 230000005611 electricity Effects 0.000 claims description 77
- 238000007600 charging Methods 0.000 claims description 14
- 238000000034 method Methods 0.000 claims description 13
- 238000001514 detection method Methods 0.000 claims description 8
- 238000010586 diagram Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 244000025254 Cannabis sativa Species 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004146 energy storage Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 241001494496 Leersia Species 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000013178 mathematical model Methods 0.000 description 1
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- 238000012360 testing method Methods 0.000 description 1
Classifications
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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]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
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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]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/4285—Testing apparatus
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
A kind of battery capacity management method of electrical equipment, including：Determine the current electric quantity of battery；Obtain the history duty parameter of the battery；The capacity attenuation amount of the battery is determined according to the history duty parameter of the battery；The current available remaining capacity of the battery is determined according to the current electric quantity of the battery and the capacity attenuation amount；And remaining capacity can be used described in output.The battery capacity management method of above-mentioned electrical equipment, after determining the current electric quantity of battery, the history duty parameter according to battery is understood to determine the capacity attenuation amount of battery, to according to current electric quantity and the capacity attenuation amount available remaining capacity that accurately determination actually can be for users to use.The present invention also provides a kind of electrical equipment and its battery electric quantity management systems.
Description
Technical field
The present invention relates to field of measuring technique, more particularly to a kind of electrical equipment and its battery capacity management method and are
System.
Background technology
Electrical equipment is usually worked by the energy-storage battery of itself power supply.Traditional electrical equipment is usually by acquiring electricity
The method of cell voltage shows current battery capacity.The battery capacity that this method obtains is extremely inaccurate, cannot meet people
Use demand.
Invention content
Based on this, it is necessary to provide a kind of electrical equipment that can accurately obtain remaining capacity and its battery capacity manager
Method and system.
A kind of battery capacity management method of electrical equipment, including：Determine the current electric quantity of battery；Obtain the battery
History duty parameter；The capacity attenuation amount of the battery is determined according to the history duty parameter of the battery；According to the battery
Current electric quantity and the capacity attenuation amount determine the current available remaining capacity of the battery；And residue can be used described in output
Electricity.
The battery capacity management method of above-mentioned electrical equipment can be according to battery after determining the current electric quantity of battery
History duty parameter determines the capacity attenuation amount of battery, to accurately obtain practical energy according to current electric quantity and capacity attenuation amount
Enough available remaining capacities for users to use meet the use demand of user.
The history duty parameter of the battery includes charge and discharge number, rate of charge, charging in one of the embodiments,
At least one of blanking voltage, discharge current, discharge cut-off voltage and battery temperature parameter.
Further include the history duty parameter and capacity attenuation amount for prestoring the battery in one of the embodiments,
The step of correspondence；The history duty parameter according to the battery determines the step of capacity attenuation amount of the battery
To determine the capacity attenuation amount according to the correspondence.
The step of current electric quantity of the determining battery includes in one of the embodiments,：Calculate the charging electricity of battery
Amount；The charge capacity of the battery is equal to charging current to the result of time integral multiplied by with charge efficiency；It is charged according to battery
Preceding electricity and the charge capacity determine the total electricity of battery；Calculate the discharge electricity amount of battery；The discharge electricity amount of the battery
Equal to discharge current to the integral of time；The current of the battery is determined according to the total electricity of the battery and the discharge electricity amount
Electricity.
Further include step in one of the embodiments,：Obtain the current discharge current of the battery；According to the electric discharge
Electric current and the sustainable working time that the electrical equipment can be calculated with remaining capacity under current working；And display institute
State the sustainable working time.
A kind of battery electric quantity management system of electrical equipment, including：Current electric quantity determining module, for determining working as battery
Preceding electricity；History duty parameter acquisition module, the history duty parameter for obtaining battery；Capacity attenuation amount determining module, with
The history duty parameter acquisition module connection, the capacity for determining the battery according to the history duty parameter of the battery
Attenuation；Remaining capacity computing module can be used, determines mould with the current electric quantity determining module and the capacity attenuation amount respectively
Block connects, for determining the current available remaining electricity of the battery according to the current electric quantity and the capacity attenuation amount of the battery
Amount；And output module, it is connect with remaining capacity computing module with described, described remaining capacity can be used for exporting.
Further include memory module in one of the embodiments,；The memory module is for prestoring the battery
The correspondence of history duty parameter and capacity attenuation amount；It is described to be used for according to the corresponding pass with remaining capacity computing module
System determines the capacity attenuation amount.
The current electric quantity determining module includes in one of the embodiments,：Charge capacity computing unit, for calculating
The charge capacity of battery；The charge capacity of the battery is equal to charging current to the result of time integral multiplied by with charge efficiency；
Total electricity determination unit is connect with the charge capacity computing unit, for before being charged according to battery electricity and the charging
Electricity determines the total electricity of battery；Discharge electricity amount computing unit, the discharge electricity amount for calculating battery；The electric discharge electricity of the battery
Amount is equal to integral of the discharge current to the time；And current electric quantity determination unit, respectively with the total electricity determination unit, described
Discharge electricity amount computing unit connects, for determining the current of the battery according to the total electricity and the discharge electricity amount of the battery
Electricity.
Further include in one of the embodiments,：Current detection module, the electric discharge electricity current for detecting the battery
Stream；Sustainable working time computing module, for according to the discharge current and it is described can with remaining capacity calculate it is described electronic
Sustainable working time of the equipment under current working；And display module, for showing the sustainable working time.
A kind of electrical equipment, including apparatus body, which is characterized in that further include the battery electricity described in aforementioned any embodiment
Buret manages system.
Description of the drawings
Fig. 1 is the flow chart of the battery capacity management method of the electrical equipment in an embodiment；
Fig. 2 is the particular flow sheet of the step S110 in Fig. 1；
Fig. 3 is the constant-current source functional block diagram of the battery of the electrical equipment in Fig. 1；
Fig. 4 is the flow chart of the battery capacity management method of the electrical equipment in another embodiment；
Fig. 5 is the functional block diagram of the battery electric quantity management system of the electrical equipment in an embodiment；
Fig. 6 is the functional block diagram of the current electric quantity determining module in Fig. 5.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Fig. 1 is the flow chart of the battery capacity management method of the electrical equipment in an embodiment.The electrical equipment can wrap
Include all equipment being powered by itself energy-storage battery to maintain itself to work.For example, the electrical equipment can be mobile phone,
The digital equipments such as tablet, computer, or the electric tools such as electric drill, grass trimmer, electric saw.Battery in electrical equipment is can
Charged lithium cells.Referring to Fig. 1, this approach includes the following steps：
Step S110 determines the current electric quantity of battery.
In the present embodiment, the step of current electric quantity for determining battery includes following sub-step, as shown in Figure 2.
Step S210 calculates the charge capacity of battery.
Lithium electricity charger is usually CC/CV chargings, and constant-current source functional block diagram is as shown in Figure 3.The charging electricity of rechargeable battery
Measure QcThe result integrated to time t equal to charging current I is multiplied by with charge efficiency η, such as following formula：
Step S220, electricity and the charge capacity before being charged according to battery determine the total electricity of battery.
The total electricity Q of batterytElectricity before charging equal to battery namely the remaining capacity Q of last timerWith charge capacity QcIt
With such as following formula：
Step S230 calculates the discharge electricity amount of battery.
Discharge electricity amount is identical with the calculation of charge capacity, using discharge current to the integral result of time as real-time
Discharge electricity amount Qd。
Step S240 determines the current electric quantity of battery according to the total electricity of battery and the discharge electricity amount.
The current electric quantity of battery is equal to the total electricity Q of batterytSubtract real-time discharge electricity amount Qd。
Determining current electric quantity has higher accuracy in this way.
Step S120 obtains the history duty parameter of battery.
The history duty parameter of battery includes charge and discharge number, rate of charge, charge cutoff voltage, discharge current, electric discharge
At least one of blanking voltage and battery temperature parameter.Wherein, rate of charge, charge cutoff voltage, discharge current, electric discharge are cut
Only voltage and battery temperature are corresponding to the charge-discharge parameter in history charge and discharge process.Control that can be according to actual needs
Accuracy selects each parameter.In one embodiment, above-mentioned parameter can be obtained simultaneously to determine that the capacity of battery declines
Decrement.
Step S130 determines the capacity attenuation amount of battery according to the history duty parameter of battery.
The capacity of battery is determined such as the charge and discharge number and environment temperature of battery according to the history duty parameter of battery
Attenuation.In the present embodiment, the correspondence of the history duty parameter and capacity attenuation amount of battery can be prestored.It is corresponding to close
System can be stored in a tabular form, can also be stored by mathematical model.The correspondence can be imitative by simulating
True experiment test is obtained.
Step S140 determines the current available remaining capacity of battery according to the current electric quantity of battery and capacity attenuation amount.
The current available remaining capacity of battery is determined according to the current electric quantity of battery and capacity attenuation amount, it can be ensured that real
The electricity that can be used for actual user of available remaining capacity that border obtains, disclosure satisfy that user's use demands and accuracy compared with
It is high.
Step S150, output can use remaining capacity.
Can with remaining capacity can directly output processing module carries out relevant processing, with further obtain other targets join
Number, such as sustainable working time etc..In one embodiment, it can also be exported by display module with remaining capacity,
To intuitively check the available remaining capacity of electrical equipment for user.Due to can be used the precision of remaining capacity higher, to
Allow users to accurately understand the available remaining capacity situation of electrical equipment, it is full so that user plans electricity consumption in advance
The use demand of sufficient user.
The battery capacity management method of above-mentioned electrical equipment can be according to battery after determining the current electric quantity of battery
Environment temperature, battery charging and discharging number and discharge current in history duty parameter such as battery history charge and discharge process are come true
Determine the capacity attenuation amount of battery, to accurately determined according to current electric quantity and capacity attenuation amount actually can be for users to use can
Use remaining capacity.That is, the above method can be according to the usage time (corresponding to charge and discharge number) and history use environment of battery
(correspond to environment temperature) determines available remaining capacity in real time so that the value of the available remaining capacity relatively subject to
Really, it disclosure satisfy that the actual use demand of user.
In one embodiment, the above method further includes step S410~S430 on the basis of previous embodiment, such as Fig. 4 institutes
Show.
Step S410 obtains the current discharge current of battery.
It is detected by the detection devices such as the current sensor discharge current current to battery.In one embodiment, electric
The discharge current in pond is in variable condition, therefore can count the average value of discharge current in prefixed time interval as the electricity
The discharge current in pond.Prefixed time interval could be provided as 1~10s.Prefixed time interval is too short to be caused to show too fast, data
Frequently bounce eyes are not seen.
Step S420 calculates sustainable work of the electrical equipment under current working according to discharge current and available remaining capacity
Make the time.
According to current discharge current and it can estimate the sustainable confession of the battery under current working with remaining capacity
Energy time namely the sustainable working time of electrical equipment.Due to can be used the accuracy of remaining capacity higher, so as to ensure
The sustainable working time is also more accurate.Also, the sustainable working time can be according to the change of variation namely the load of discharge current
Change and do real-time update, real-time is preferable, can better meet the use demand of user.
Step S430 shows the sustainable working time.
According to the sustainable working time of display, user could be aware that the service condition of battery, to be done to follow-up work
It plans and is laid out in advance, meet the use demand of user.In the present embodiment, electrical equipment can individually show sustainable work
Time can also simultaneously show sustainable working time and available remaining capacity.
The embodiment of the present invention also provides a kind of battery electric quantity management system of electrical equipment, and structure diagram is as shown in Figure 5.
The battery electric quantity management system includes current electric quantity determining module 510, history duty parameter acquisition module 520, capacity attenuation amount
Determining module 530 can use remaining capacity computing module 540 and output module 550.
Current electric quantity determining module 510 is used to determine the current electric quantity of battery.In one embodiment, current electric quantity determines mould
Block 510 includes charge capacity computing unit 610, total electricity determination unit 620, discharge electricity amount computing unit 630 and current electric quantity
Determination unit 640, as shown in Figure 6.Wherein, charge capacity computing unit 610 is used to calculate the charge capacity of battery.Battery fills
Power consumption is equal to charging current to the result of time integral multiplied by with charge efficiency.Total electricity determination unit 620 and charge capacity
Computing unit 610 connects, for before being charged according to battery electricity and charge capacity determine the total electricity of battery.Discharge electricity amount meter
Calculate the discharge electricity amount that unit 630 is used to calculate battery.The discharge electricity amount of battery is equal to integral of the discharge current to the time.Current electricity
Amount determination unit 640 is connect with total electricity determination unit 620, discharge electricity amount computing unit 630 respectively, for according to the total of battery
Electricity and discharge electricity amount determine the current electric quantity of battery.Current electric quantity determining module 510 using the above structure determines current
Electricity has higher accuracy.
History duty parameter acquisition module 520 is used to obtain the history duty parameter of battery.The history duty parameter of battery
Including in charge and discharge number, rate of charge, charge cutoff voltage, discharge current, discharge cut-off voltage and battery temperature at least
A kind of parameter.Therefore corresponding history duty parameter collecting unit can be set in history duty parameter acquisition module 520, such as
Charge and discharge number statistic unit and temperature detecting unit etc. are set.
Capacity attenuation amount determining module 530 is connect with history duty parameter acquisition module 520.Capacity attenuation amount determining module
530 history duty parameter such as charge and discharge number and the environment temperature for being got according to history duty parameter acquisition module 520
Determine the capacity attenuation amount of battery.In one embodiment, which further includes memory module 560.Memory module 560 is used for battery
History duty parameter and capacity attenuation amount correspondence.Therefore, capacity attenuation amount determining module 530 can be according to the correspondence
Relationship determines the capacity attenuation amount under current working.
Can use remaining capacity computing module 540 respectively with current electric quantity determining module 510 and capacity attenuation amount determining module
530 connections, for determining the current available remaining capacity of battery according to the current electric quantity and capacity attenuation amount of battery.According to battery
Current electric quantity and capacity attenuation value determine the current available remaining capacity of battery, it can be ensured that the available remaining electricity actually obtained
The electricity that can be used for actual user is measured, user's use demands is disclosure satisfy that and accuracy is higher.
Output module 550 is connect with available remaining capacity computing module 540, for exporting the available remaining capacity.Output
Module 550 can be transmitting device, for will can be exported with the available remaining capacity that remaining capacity computing module 540 is calculated
It is further processed to other processing modules, to obtain corresponding target component.In one embodiment, output module 550
May be display module, can be used remaining capacity to show this.Display module can show for LED display, LCD
Screen, or battery capacity indication lamp.
The battery electric quantity management system of above-mentioned electrical equipment can be according to battery after determining the current electric quantity of battery
Environment temperature, battery charging and discharging number and discharge current in history duty parameter such as battery history charge and discharge process are come true
Determine the capacity attenuation amount of battery, to accurately determined according to current electric quantity and capacity attenuation amount actually can be for users to use can
Use remaining capacity.That is, above system can be according to usage time (corresponding to charge and discharge number), the history use environment of battery
Remaining capacity can be used to determine in the size cases (corresponding to discharge current) of (corresponding to environment temperature) and load in real time, from
And so that this is used the value of remaining capacity comparatively accurate, disclosure satisfy that the actual use demand of user.
In another embodiment, above-mentioned battery electric quantity management system further includes sustainable working time computing module 570, electricity
Detection module 580 and display module 590 are flowed, as shown in Figure 5.Sustainable working time computing module 570 respectively with available residue
Electricity computing module 540, current detection module 580 connect.Current detection module 730 is used to detect the current electric discharge electricity of battery
Stream.Current detection module 730 can be realized by detection devices such as current sensors.Sustainable working time computing module
570 according to discharge current and available remaining capacity for when calculating sustainable work of the electrical equipment under current working
Between.Due to can be used the accuracy of remaining capacity higher, so as to ensure the sustainable working time also more precisely.Also, it can
Continuous working period can do real-time update according to the variation of variation namely the load of discharge current, and real-time is preferable, can be more preferable
The use demand for meeting user.Display module 590 is for showing the sustainable working time.In this example it is shown that mould
Block 590 can individually show the sustainable working time, can also be carried out simultaneously to sustainable working time and available remaining capacity
Display.
According to the sustainable working time that display module 590 is shown, user could be aware that the service condition of battery, to right
Follow-up work is done to be planned and is laid out in advance, can meet the use demand of user very well.
The embodiment of the present invention also provides a kind of electrical equipment.The electrical equipment includes apparatus body and aforementioned arbitrary implementation
Battery electric quantity management system described in example.By the battery electric quantity management system, user can accurately know the reality of electrical equipment
Border can use remaining capacity and sustainable working time.For example, electric drill can bore how many hole, grass trimmer can cut grass how long,
Repair how long branches and leaves etc., to facilitate user to carry out job placement.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, it is all considered to be the range of this specification record.
Several embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of battery capacity management method of electrical equipment, including：
Determine the current electric quantity of battery；
Obtain the history duty parameter of the battery；
The capacity attenuation amount of the battery is determined according to the history duty parameter of the battery；
The current available remaining capacity of the battery is determined according to the current electric quantity of the battery and the capacity attenuation amount；And
Remaining capacity can be used described in output.
2. according to the method described in claim 1, it is characterized in that, the history duty parameter of the battery includes charge and discharge time
At least one of number, rate of charge, charge cutoff voltage, discharge current, discharge cut-off voltage and battery temperature parameter.
3. according to the method described in claim 1, it is characterized in that, further including the history duty parameter for prestoring the battery
The step of with the correspondence of capacity attenuation amount；
The history duty parameter according to the battery determines that the step of capacity attenuation amount of the battery is, according to described right
It should be related to and determine the capacity attenuation amount.
4. according to the method described in claim 1, it is characterized in that, the step of current electric quantity of the determining battery include：
Calculate the charge capacity of battery；The charge capacity of the battery is equal to charging current to the result of time integral multiplied by fill
Electrical efficiency；
Electricity and the charge capacity before being charged according to battery determine the total electricity of battery；
Calculate the discharge electricity amount of battery；The discharge electricity amount of the battery is equal to integral of the discharge current to the time；
The current electric quantity of the battery is determined according to the total electricity of the battery and the discharge electricity amount.
5. according to the method described in claim 1, it is characterized in that, further including step：
Obtain the current discharge current of the battery；
Described it can calculate according to the discharge current and with remaining capacity sustainable work of the electrical equipment under current working
Make the time；And
Show the sustainable working time.
6. a kind of battery electric quantity management system of electrical equipment, which is characterized in that including：
Current electric quantity determining module, the current electric quantity for determining battery；
History duty parameter acquisition module, the history duty parameter for obtaining battery；
Capacity attenuation amount determining module is connect with the history duty parameter acquisition module, for the history according to the battery
Duty parameter determines the capacity attenuation amount of the battery；
Remaining capacity computing module can be used, is connected respectively with the current electric quantity determining module and the capacity attenuation amount determining module
It connects, for determining the current available remaining capacity of the battery according to the current electric quantity and the capacity attenuation amount of the battery；
And
Output module is connect with described with remaining capacity computing module, and described remaining capacity can be used for exporting.
7. battery electric quantity management system according to claim 6, which is characterized in that further include memory module；The storage
Module is used to prestore the correspondence of the history duty parameter and capacity attenuation amount of the battery；
It is described to be used to determine the capacity attenuation amount according to the correspondence with remaining capacity computing module.
8. battery electric quantity management system according to claim 6, which is characterized in that the current electric quantity determining module packet
It includes：
Charge capacity computing unit, the charge capacity for calculating battery；The charge capacity of the battery is equal to charging current pair
The result of time integral is multiplied by with charge efficiency；
Total electricity determination unit is connect with the charge capacity computing unit, for electricity before being charged according to battery and described
Charge capacity determines the total electricity of battery；
Discharge electricity amount computing unit, the discharge electricity amount for calculating battery；The discharge electricity amount of the battery is equal to discharge current pair
The integral of time；And
Current electric quantity determination unit is connect with the total electricity determination unit, the discharge electricity amount computing unit respectively, is used for root
The current electric quantity of the battery is determined according to the total electricity and the discharge electricity amount of the battery.
9. battery electric quantity management system according to claim 6, which is characterized in that further include：
Current detection module, the discharge current current for detecting the battery；
Sustainable working time computing module, for according to the discharge current and it is described can with remaining capacity calculate it is described electronic
Sustainable working time of the equipment under current working；And
Display module, for showing the sustainable working time.
10. a kind of electrical equipment, including apparatus body, which is characterized in that further include the electricity as described in claim 6~9 is any
Pond power management system.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310786819.4A CN116864834A (en) | 2017-04-27 | 2017-04-27 | Electric equipment and battery power management method and system thereof |
| CN201710288201.XA CN108802616A (en) | 2017-04-27 | 2017-04-27 | Electrical equipment and its battery capacity management method and system |
| CN201880013401.7A CN110325868B (en) | 2017-04-27 | 2018-04-27 | Power supply electric quantity management method and system of electric tool |
| PCT/CN2018/084930 WO2018196862A1 (en) | 2017-04-27 | 2018-04-27 | Method and system for managing electric quantity of power supply of electric tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710288201.XA CN108802616A (en) | 2017-04-27 | 2017-04-27 | Electrical equipment and its battery capacity management method and system |
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| CN202310786819.4A Division CN116864834A (en) | 2017-04-27 | 2017-04-27 | Electric equipment and battery power management method and system thereof |
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| CN108802616A true CN108802616A (en) | 2018-11-13 |
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| CN201710288201.XA Pending CN108802616A (en) | 2017-04-27 | 2017-04-27 | Electrical equipment and its battery capacity management method and system |
| CN202310786819.4A Pending CN116864834A (en) | 2017-04-27 | 2017-04-27 | Electric equipment and battery power management method and system thereof |
| CN201880013401.7A Active CN110325868B (en) | 2017-04-27 | 2018-04-27 | Power supply electric quantity management method and system of electric tool |
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| CN202310786819.4A Pending CN116864834A (en) | 2017-04-27 | 2017-04-27 | Electric equipment and battery power management method and system thereof |
| CN201880013401.7A Active CN110325868B (en) | 2017-04-27 | 2018-04-27 | Power supply electric quantity management method and system of electric tool |
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| WO (1) | WO2018196862A1 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007234A (en) * | 2019-03-12 | 2019-07-12 | 清华大学 | Power battery/battery pack performance test methods and system, electric car |
| CN110970670A (en) * | 2019-03-04 | 2020-04-07 | 重庆长安新能源汽车科技有限公司 | Power battery management method and device and computer readable storage medium |
| CN111231758A (en) * | 2019-10-11 | 2020-06-05 | 中国第一汽车股份有限公司 | Battery capacity estimation method and device, electronic equipment and medium |
| CN111376792A (en) * | 2018-12-28 | 2020-07-07 | 陕西汽车集团有限责任公司 | Estimation method for endurance mileage of pure electric vehicle |
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| Publication number | Publication date |
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| CN110325868B (en) | 2022-06-14 |
| CN116864834A (en) | 2023-10-10 |
| CN110325868A (en) | 2019-10-11 |
| WO2018196862A1 (en) | 2018-11-01 |
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