CN106814330A - Electric quantity metering method and device - Google Patents

Electric quantity metering method and device Download PDF

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Publication number
CN106814330A
CN106814330A CN201710022367.7A CN201710022367A CN106814330A CN 106814330 A CN106814330 A CN 106814330A CN 201710022367 A CN201710022367 A CN 201710022367A CN 106814330 A CN106814330 A CN 106814330A
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CN
China
Prior art keywords
terminal
discharge curve
discharge
electric
curve
Prior art date
Application number
CN201710022367.7A
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Chinese (zh)
Inventor
雷云飞
Original Assignee
珠海市魅族科技有限公司
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Priority to CN201710022367.7A priority Critical patent/CN106814330A/en
Publication of CN106814330A publication Critical patent/CN106814330A/en

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/3644Constructional arrangements
    • G01R31/3646Constructional arrangements for indicating electrical conditions or variables, e.g. visual or audible indicators
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/3644Constructional arrangements
    • G01R31/3648Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm

Abstract

A kind of electric quantity metering method, is applied in terminal device, and the method includes:Obtain the running state information of the terminal device;Discharge curve corresponding with the running state information is determined from discharge curve more than two;Value and preset algorithm according to the target component found from the discharge curve corresponding with the running state information calculate the electricity of the terminal device.The present invention also provides a kind of electric quantity metering device.The present invention can improve the accuracy of electric quantity metering.

Description

Electric quantity metering method and device
Technical field
The present invention relates to electronic technology field, and in particular to a kind of electric quantity metering method and device.
Background technology
At present, on terminal device by voltameter come the consumption electricity of measuring terminal on-device battery so that terminal device On can in real time show dump energy.When the dump energy of battery is too low, terminal device can be reminded to user, or It is by terminal device automatic shutdown.Therefore, if electric quantity metering is not accurate enough to may result in mobile phone abnormal prompt or abnormal pass The problems such as machine.
The content of the invention
In consideration of it, being necessary to provide a kind of electric quantity metering method and device, the accuracy of electric quantity metering can be improved.
The first aspect of the application provides a kind of electric quantity metering method, is applied in terminal device, and methods described includes:
Obtain the running state information of the terminal device;
Discharge curve corresponding with the running state information is determined from discharge curve more than two;
Value according to the target component found from the discharge curve corresponding with the running state information and pre- Imputation method calculates the electricity of the terminal device.
In alternatively possible implementation, the running state information of the terminal device is run including the terminal device When the electric current that consumes;
It is described to determine that discharge curve corresponding with the running state information includes from discharge curve more than two:
Discharge curve corresponding with the electric current of the consumption is determined from discharge curve more than two.
In alternatively possible implementation, the discharge curve more than two includes following at least two:With Discharge curve based on the current drain speed of 100mAh, the discharge curve based on the current drain speed of 200mAh, Discharge curve based on the current drain speed of 400mAh, the electric discharge based on the current drain speed of 600mAh are bent Line, the discharge curve based on the current drain speed of 800mAh.
In alternatively possible implementation, the running state information for obtaining the terminal device includes:
The application run according to the terminal device and/or the change information of the voltage of the terminal device obtain the end The electric current that end equipment is consumed when running.
In alternatively possible implementation, the target component is open-circuit voltage.
The second aspect of the application provides a kind of electric quantity metering device, and described device includes:
Acquisition module, the running state information for obtaining terminal device;
Determining module, it is bent for determining electric discharge corresponding with the running state information from discharge curve more than two Line;
Computing module, for the target that basis finds from the discharge curve corresponding with the running state information The value and preset algorithm of parameter calculate the electricity of the terminal device.
In alternatively possible implementation, the running state information of the terminal device is run including the terminal device When the electric current that consumes;
The determining module from discharge curve more than two specifically for determining corresponding with the electric current of the consumption Discharge curve.
In alternatively possible implementation, the discharge curve more than two includes following at least two:With Discharge curve based on the current drain speed of 100mAh, the discharge curve based on the current drain speed of 200mAh, Discharge curve based on the current drain speed of 400mAh, the electric discharge based on the current drain speed of 600mAh are bent Line, the discharge curve based on the current drain speed of 800mAh.
In alternatively possible implementation, the acquisition module is specifically for according to answering that the terminal device runs With and/or the change information of voltage of the terminal device obtain the electric current that is consumed when the terminal device runs.
In alternatively possible implementation, the target component is open-circuit voltage.
The embodiment of the present invention is by obtaining the running state information of the terminal device;From discharge curve more than two It is determined that discharge curve corresponding with the running state information;According to bent from the electric discharge corresponding with the running state information The value and preset algorithm of the target component found in line calculate the electricity of the terminal device.Because the value of target component is many Found in discharge curve corresponding with terminal device current operating conditions information among group discharge curve so that target component Value it is more accurate, it is achieved thereby that improve electric quantity metering accuracy purpose.
Brief description of the drawings
Technical scheme in order to illustrate more clearly the embodiments of the present invention, embodiment will be described below needed for be used Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, general for this area For logical technical staff, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of flow chart of electric quantity metering method provided in an embodiment of the present invention;
Fig. 2 is the structure chart of the electric quantity metering device that the present invention is provided;
Fig. 3 present invention realizes the structural representation of the terminal device of the preferred embodiment of electric quantity metering method.
Following specific embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
Specific embodiment
It is below in conjunction with the accompanying drawings and specific real in order to be more clearly understood that the above objects, features and advantages of the present invention The present invention will be described in detail to apply example.It should be noted that in the case where not conflicting, embodiments herein and embodiment In feature can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, and described embodiment is only Only it is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill The every other embodiment that personnel are obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
Unless otherwise defined, all of technologies and scientific terms used here by the article with belong to technical field of the invention The implication that technical staff is generally understood that is identical.The term for being used in the description of the invention herein is intended merely to description tool The purpose of the embodiment of body, it is not intended that in the limitation present invention.
Embodiment
Fig. 1 is the schematic flow diagram of electric quantity metering method provided in an embodiment of the present invention.The electric quantity metering method application In terminal device, the terminal device is the terminal device for including rechargeable battery (such as lithium battery).As shown in figure 1, electricity Metering method may include following steps:
S101:Obtain the running state information of the terminal device.
The running state information of above-mentioned terminal device can include embodying any information of terminal device running status.Example Such as, the luminance state of the display screen when running state information of terminal device is run including terminal device, or terminal device Running state information include the information such as time of the continuous work of terminal device.
Further, the electricity consumed when the running state information of the terminal device can include that the terminal device runs Stream, that is, by the actual electricity of circuit when running.
Specifically, the electric current that terminal device is consumed when running can be obtained by the following method:
The application run according to the terminal device and/or the change information of the voltage of the terminal device obtain the end The electric current that end equipment is consumed when running.
When terminal device runs different applications, different consumption can be corresponded to.For example when terminal device running game Using or during Video Applications, or correspondence consumption different electricity during the instrument application such as terminal device operational calculator.
The change information of the voltage of above-mentioned terminal device can include the change of the voltage of terminal device in preset time period Value.The electric current that can be consumed with computing terminal equipment by the changing value of the voltage of terminal device in preset time period.
S102:Discharge curve corresponding with the running state information is determined from discharge curve more than two.
Discharge curve is the discharge curve of the battery of terminal device, can be stored in terminal device.
Specifically, discharge curve is under given discharging condition, and such as under conditions of constant current consumption speed, electric discharge electricity The curve changed with discharge time, multigroup discharge curve is pressed to correspond to a current drain speed respectively.Can also on discharge curve During including multiple temperature regimes, the curve that discharge voltage changes with discharge time under given discharging condition.
When terminal device is in different running statuses, different discharge curves can be corresponded to.I.e. at terminal device When different running statuses, the curve that discharge voltage under different discharging conditions changes with discharge time can be corresponded to.
When implementing, the corresponding relation of running status and discharge curve can be set, so that different running statuses The different discharge curve of correspondence.
Above-mentioned discharge curve more than two, is the discharge curve under two kinds of discharging conditions, every kind of discharging condition correspondence one Group discharge curve.Value on discharge curve can be by experimental simulation discharging condition so that it is determined that value on discharge curve.
Above-mentioned discharge curve more than two can be stored in terminal device.
Further, during the electric current for being consumed when the running state information of terminal device is run including terminal device (here Refer to the electricity by circuit in the unit interval), determine from discharge curve more than two corresponding with the running state information Discharge curve include:Discharge curve corresponding with the electric current of the consumption is determined from discharge curve more than two.
Due to discharge curve be under given discharging condition, such as under conditions of constant current consumption speed, discharge voltage With the curve that discharge time changes.
Therefore the electric current that is currently consumed according to terminal device, it is determined that with the discharge curve corresponding to consumption electric current.
It should be noted that the present invention no longer takes the discharge curve of one group of fixation to carry out the residue electricity of computing terminal equipment Amount, the discharge curve such as based on 400mAh, but determine that is most pressed close to an end according to the actual situation of terminal device The actual discharge curve of end equipment, so as to lift the accuracy in computation of dump energy.
Further, the discharge curve more than two includes following at least two:With the current drain speed of 100mAh Discharge curve based on degree, the discharge curve based on the current drain speed of 200mAh, the current drain with 400mAh Discharge curve based on speed, the discharge curve based on the current drain speed of 600mAh, disappeared with the electric current of 800mAh Discharge curve based on consumption speed.
Discharge curve based on the above-mentioned current drain speed by 100mAh refers to consume 100mA electric currents per hour Under situation, the curve that discharge voltage changes with discharge time.
Likewise, the discharge curve based on the current drain speed of 200mAh refers to consume 200mA electricity per hour Under the situation of stream, the curve that discharge voltage changes with discharge time, the electric discharge based on the current drain speed of 400mAh is bent Line refers to the curve that discharge voltage changes with discharge time to consume per hour under the situation of 400mA electric currents, with the electricity of 600mAh Discharge curve based on stream depletion rate refers to consume per hour under the situation of 600mA electric currents, when discharge voltage is with electric discharge Between change curve, the discharge curve based on the current drain speed of 800mAh refers to consume 800mA electric currents per hour Situation under, the curve that discharge voltage changes with discharge time.
If getting the current consumption electric current of terminal device for 100mA, it is determined that consumed when currently being run with terminal device The corresponding curve of electric current be discharge curve based on the current drain speed of 100mAh.
S103:According to the value of the target component found from the discharge curve corresponding with the running state information With the electricity that preset algorithm calculates the terminal device.
It is determined that after the corresponding discharge curve of running state information, from discharge curve corresponding with the running state information The middle value for searching target component.
Further, the target component is the open-circuit voltage of battery.
Open-circuit voltage refers to terminal voltage of the battery under open-circuit condition.
The algorithm that voltameter calculates electricity can be the algorithm of existing calculating electricity.
After the value for getting target component, by the electricity of preset algorithm computing terminal equipment.Specifically, can calculate The consumption electricity of terminal device.Likewise, can also computing terminal equipment dump energy.
The embodiment of the present invention is by obtaining the running state information of the terminal device;From discharge curve more than two It is determined that discharge curve corresponding with the running state information;According to bent from the electric discharge corresponding with the running state information The value and preset algorithm of the target component found in line calculate the electricity of the terminal device.Because the value of target component is many Found in discharge curve corresponding with terminal device current operating conditions information among group discharge curve.At terminal device When different running statuses, the different discharge curve of correspondence all only corresponds to one group of discharge curve rather than any state so that The value of the target component of acquisition is more accurate, it is achieved thereby that improving the purpose of the accuracy of electric quantity metering.
Above is the detailed description carried out to method provided by the present invention.According to different demands, in shown flow chart The execution sequence of square can change, and some squares can be omitted, and the method for electric quantity metering is also in above-mentioned electric quantity metering method Selective is applied in combination, or is used with other above-mentioned NM electric quantity metering Combination of Methods.The present invention is carried below The device of confession is described.
Embodiment
Fig. 2 is the structure chart of electric quantity metering device provided in an embodiment of the present invention, as shown in Fig. 2 electric quantity metering device can To include:Acquisition module 210, determining module 220 and computing module 230.Module alleged by the present invention refers to that one kind can be counted Calculation machine is performed and can complete the series of computation machine program segment of fixing function.
Acquisition module 210, the running state information for obtaining terminal device.
Present invention terminal device described in implementing is the terminal device for including rechargeable battery (such as lithium battery).
The running state information of above-mentioned terminal device can include embodying any information of terminal device running status.Example Such as, the luminance state of the display screen when running state information of terminal device is run including terminal device, or terminal device Running state information include the information such as time of the continuous work of terminal device.
Further, the electric current consumed when the running state information of the terminal device includes that the terminal device runs, By the actual electricity of circuit when running.
During the electric current consumed when running state information is run including terminal device, the acquisition module 210 specifically for, The application run according to the terminal device and/or the change information of the voltage of the terminal device obtain the terminal device fortune The electric current consumed during row.
When terminal device runs different applications, different consumption can be corresponded to.For example when terminal device running game Using or during Video Applications, or correspondence consumption different electricity during the instrument application such as terminal device operational calculator.
The change information of the voltage of above-mentioned terminal device can include the change of the voltage of terminal device in preset time period Value.The electric current that can be consumed with computing terminal equipment by the changing value of the voltage of terminal device in preset time period.
Determining module 220, for determining put corresponding with the running state information from discharge curve more than two Electric curve.
Discharge curve is the discharge curve of the battery of terminal device, can be stored in terminal device.
Specifically, discharge curve is under given discharging condition, and such as under conditions of constant current consumption speed, electric discharge electricity The curve changed with discharge time, multigroup discharge curve is pressed to correspond to a current drain speed respectively.Can also on discharge curve During including multiple temperature regimes, the curve that discharge voltage changes with discharge time under given discharging condition.
When terminal device is in different running statuses, different discharge curves can be corresponded to.I.e. at terminal device When different running statuses, the curve that discharge voltage under different discharging conditions changes with discharge time can be corresponded to.
When implementing, the corresponding relation of running status and discharge curve can be set, so that different running statuses The different discharge curve of correspondence.
Above-mentioned discharge curve more than two, is the discharge curve under two kinds of discharging conditions, every kind of discharging condition correspondence one Group discharge curve.Value on discharge curve can be by experimental simulation discharging condition so that it is determined that value on discharge curve.
Above-mentioned discharge curve more than two can be stored in terminal device.
(unit interval is herein referred to during the electric current consumed when the running state information of terminal device is run including terminal device The interior electricity by circuit), the determining module 220 from discharge curve more than two specifically for determining to disappear with described The corresponding discharge curve of electric current of consumption.
Due to discharge curve be under given discharging condition, such as under conditions of constant current consumption speed, discharge voltage With the curve that discharge time changes.
Therefore the electric current that is currently consumed according to terminal device, it is determined that with the discharge curve corresponding to consumption electric current.
It should be noted that the present invention no longer takes the discharge curve of one group of fixation to carry out the residue electricity of computing terminal equipment Amount, the discharge curve such as based on 400mAh, but determine that is most pressed close to an end according to the actual situation of terminal device The actual discharge curve of end equipment, so as to lift the accuracy in computation of dump energy.
Further, the discharge curve more than two includes following at least two:With the current drain speed of 100mAh Discharge curve based on degree, the discharge curve based on the current drain speed of 200mAh, the current drain with 400mAh Discharge curve based on speed, the discharge curve based on the current drain speed of 600mAh, disappeared with the electric current of 800mAh Discharge curve based on consumption speed.
Discharge curve based on the above-mentioned current drain speed by 100mAh refers to consume 100mA electric currents per hour Under situation, the curve that discharge voltage changes with discharge time.
Likewise, the discharge curve based on the current drain speed of 200mAh refers to consume 200mA electricity per hour Under the situation of stream, the curve that discharge voltage changes with discharge time, the electric discharge based on the current drain speed of 400mAh is bent Line refers to the curve that discharge voltage changes with discharge time to consume per hour under the situation of 400mA electric currents, with the electricity of 600mAh Discharge curve based on stream depletion rate refers to consume per hour under the situation of 600mA electric currents, when discharge voltage is with electric discharge Between change curve, the discharge curve based on the current drain speed of 800mAh refers to consume 800mA electric currents per hour Situation under, the curve that discharge voltage changes with discharge time.
If getting the current consumption electric current of terminal device for 100mA, it is determined that consumed when currently being run with terminal device The corresponding curve of electric current be discharge curve based on the current drain speed of 100mAh.
Computing module 230, finds for basis from the discharge curve corresponding with the running state information The value and preset algorithm of target component calculate the electricity of the terminal device.
It is determined that after the corresponding discharge curve of running state information, from discharge curve corresponding with the running state information The middle value for searching target component.
The target component is the open-circuit voltage of battery.
Open-circuit voltage refers to terminal voltage of the battery under open-circuit condition.
The algorithm that voltameter calculates electricity can be the algorithm of existing calculating electricity.
After the value for getting target component, value and preset algorithm of the computing module 230 according to the target component for getting The electricity of computing terminal equipment.Specifically, computing module 230 can be with the consumption electricity of computing terminal equipment.Likewise, calculating mould Block 230 can also computing terminal equipment dump energy.
The embodiment of the present invention is by obtaining the running state information of the terminal device;From discharge curve more than two It is determined that discharge curve corresponding with the running state information;According to bent from the electric discharge corresponding with the running state information The value and preset algorithm of the target component found in line calculate the electricity of the terminal device.Because the value of target component is many Found in discharge curve corresponding with terminal device current operating conditions information among group discharge curve.At terminal device When different running statuses, the different discharge curve of correspondence all only corresponds to one group of discharge curve rather than any state so that The value of the target component of acquisition is more accurate, it is achieved thereby that improving the purpose of the accuracy of electric quantity metering.
Embodiment
Fig. 3 is refer to, Fig. 3 is the structural representation of the terminal device of the preferred embodiment that the present invention realizes electric quantity metering method Figure.
The terminal device 30 be it is a kind of can according to the instruction being previously set or store, carry out automatically numerical computations and/ Or the equipment of information processing, its hardware includes but is not limited to microprocessor, application specific integrated circuit (Application Specific Integrated Circuit, ASIC), programmable gate array (Field-Programmable Gate Array, FPGA), number Word processing device (Digital Signal Processor, DSP), embedded device etc..
The terminal device 30 may be, but not limited to, any one can with user by keyboard, mouse, remote control, touch The mode such as template or voice-operated device carries out the electronic product of man-machine interaction, for example, panel computer, smart mobile phone, individual digital are helped Reason (Personal Digital Assistant, PDA), intellectual Wearable etc..
Network residing for the terminal device 30 includes, but are not limited to internet, wide area network, Metropolitan Area Network (MAN), LAN, virtual Dedicated network (Virtual Private Network, VPN) etc..
The terminal device 30 includes at least one dispensing device 31, the treatment of at least one storage device 32, at least one Equipment 33, at least one reception device 34, at least one display device 35 and at least one communication bus.Wherein, it is described logical Letter bus is used to realize the connection communication between these components.
Wherein, the reception device 34 and the dispensing device 31 can be wired sending ports, or wirelessly set It is standby, such as including antenna assembly, for entering row data communication with other equipment.
The processing equipment 33 can include one or more microprocessor, digital processing unit.
The storage device 32 is used for the program code of each program segment in storing electricity metering device.The storage device 32 can be smart media card (smart media card), safe digital card (secure digital card), flash The storage facilities such as device card (flash card).
Preferably, electric quantity metering method of the invention by the terminal device 30 store electric quantity metering device come reality It is existing.
The electric quantity metering device is by obtaining the running state information of the terminal device;It is bent from electric discharge more than two Discharge curve corresponding with the running state information is determined in line;Corresponding with the running state information put according to from described The value and preset algorithm of the target component found in electric curve calculate the electricity of the terminal device.Due to the value of target component Found in discharge curve corresponding with terminal device current operating conditions information among multigroup discharge curve so that target The value of parameter is more accurate, it is achieved thereby that improving the purpose of the accuracy of electric quantity metering.
The display device 35 can be touch-screen etc. other be used for display picture equipment.
In several embodiments provided by the present invention, it should be understood that disclosed method and apparatus, it is also possible to pass through Other modes are realized.For example, device embodiment described above is only schematical.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be in other specific forms realized.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit requires to be limited rather than described above, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.Any reference in claim should not be considered as the claim involved by limitation.This Outward, it is clear that " including " word is not excluded for other units or step, odd number is not excluded for plural number.The multiple stated in device claim Device can also be realized by same device or system by software or hardware.The first, the second grade word is used for representing name Claim, and be not offered as any specific order.
Finally it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although reference Preferred embodiment has been described in detail to the present invention, it will be understood by those within the art that, can be to of the invention Technical scheme is modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention.

Claims (10)

1. a kind of electric quantity metering method, is applied in terminal device, it is characterised in that methods described includes:
Obtain the running state information of the terminal device;
Discharge curve corresponding with the running state information is determined from discharge curve more than two;
Value and pre- imputation according to the target component found from the discharge curve corresponding with the running state information Method calculates the electricity of the terminal device.
2. the method for claim 1, it is characterised in that the running state information of the terminal device includes the terminal The electric current that equipment is consumed when running;
It is described to determine that discharge curve corresponding with the running state information includes from discharge curve more than two:
Discharge curve corresponding with the electric current of the consumption is determined from discharge curve more than two.
3. method as claimed in claim 2, it is characterised in that the discharge curve more than two includes following at least two :Discharge curve based on the current drain speed of 100mAh, the electric discharge based on the current drain speed of 200mAh Curve, the discharge curve based on the current drain speed of 400mAh, putting based on the current drain speed of 600mAh Electric curve, the discharge curve based on the current drain speed of 800mAh.
4. method as claimed in claim 2, it is characterised in that the running state information bag of the acquisition terminal device Include:
The application run according to the terminal device and/or the change information of the voltage of the terminal device obtain the terminal and set The electric current consumed during received shipment row.
5. the method as described in any one of claim 2 to 4, it is characterised in that the target component is open-circuit voltage.
6. a kind of electric quantity metering device, it is characterised in that described device includes:
Acquisition module, the running state information for obtaining terminal device;
Determining module, for determining discharge curve corresponding with the running state information from discharge curve more than two;
Computing module, for the target component that basis finds from the discharge curve corresponding with the running state information Value and preset algorithm calculate the electricity of the terminal device.
7. device as claimed in claim 6, it is characterised in that the running state information of the terminal device includes the terminal The electric current that equipment is consumed when running;
The determining module from discharge curve more than two specifically for determining electric discharge corresponding with the electric current of the consumption Curve.
8. device as claimed in claim 7, it is characterised in that the discharge curve more than two includes following at least two :Discharge curve based on the current drain speed of 100mAh, the electric discharge based on the current drain speed of 200mAh Curve, the discharge curve based on the current drain speed of 400mAh, putting based on the current drain speed of 600mAh Electric curve, the discharge curve based on the current drain speed of 800mAh.
9. device as claimed in claim 7, it is characterised in that the acquisition module is specifically for according to the terminal device The change information of the voltage of the application of operation and/or the terminal device obtains the electric current consumed when the terminal device runs.
10. the device as described in any one of claim 6 to 9, it is characterised in that the target component is open-circuit voltage.
CN201710022367.7A 2017-01-12 2017-01-12 Electric quantity metering method and device CN106814330A (en)

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