WO2016177239A1

WO2016177239A1 - Electric quantity display method and device

Info

Publication number: WO2016177239A1
Application number: PCT/CN2016/078479
Authority: WO
Inventors: 李阳
Original assignee: 中兴通讯股份有限公司
Priority date: 2015-10-13
Filing date: 2016-04-05
Publication date: 2016-11-10
Also published as: CN106569132A

Abstract

Disclosed are an electric quantity display method and device, which are applied to a terminal. The method comprises: acquiring electric quantity parameter information about a battery (S10); according to the electric quantity parameter information about the battery, obtaining a corrected electric quantity value SOC₁ (S20); and displaying the corrected electric quantity value SOC₁ (S30). The method can reduce an error between a displayed value and an actual value of an electric quantity of a terminal, so that the terminal more accurately displays the electric quantity, thereby aiding in improving the user experience.

Description

Electric quantity display method and device

Technical field

The present invention relates to the field of terminals, and in particular, to a power display method and apparatus.

Background technique

Terminals such as PCs and mobile phones are commonly used tools in daily life and work. Users often need to judge the time that the terminal can be used according to the display power of the terminal, and then decide how long to replenish the terminal. However, due to factors affecting the power of the terminal, such as battery life, temperature, system power consumption, etc., the terminal displays an error between the power and the actual power, which is not conducive to improving the user experience.

Summary of the invention

An object of the present invention is to provide a power display method and device, which can reduce the error between the display power and the actual power of the terminal, so that the terminal displays the power more accurately and improves the user experience.

An embodiment of the present invention provides a power display method, which is applied to a terminal, including: acquiring power parameter information of a battery; and obtaining a corrected power value SOC ₁ (State of Charge) according to the battery power parameter information; displaying the correction The electricity value is SOC ₁ .

Optionally, the acquiring the power parameter information of the terminal includes: acquiring a current battery value SOC2 and an unavailable power value SOC3.

Optionally, the obtaining the corrected power value SOC1 according to the power parameter information of the battery includes: determining a power threshold in a sufficient battery state; acquiring a difference between the battery sufficient state power threshold and the SOC3; and acquiring the battery The ratio of SOC2 to the difference gives SOC1.

Optionally, the SOC3 includes: acquiring a current system power consumption Isys of the terminal, the battery resistance Rbat, and a voltage V0 when the preset battery power is 0; acquiring the SOC3 according to the Rbat, the Isys, and the V0. .

Optionally, acquiring the Rbat includes: acquiring a current battery temperature T, a current power value SOC2, and a battery usage time t; acquiring the Rbat according to the T, the SOC2, and the t.

Optionally, acquiring the Rbat according to the T and the SOC2 includes: acquiring the Rbat according to a temperature and battery resistance comparison table; and acquiring the Rbat according to a power and a battery resistance comparison table.

Optionally, obtaining the SOC3 according to the Rbat, the Isys, and the preset V0 further includes: obtaining, by using a battery charge and discharge graph, the SOC3 according to a sum of the product of the Rbat and the Isys and the V0.

Another embodiment of the present invention provides an apparatus for displaying a power quantity, including: an obtaining module, a calculating module, and a display module; the obtaining module is configured to acquire power quantity parameter information of the battery; and the calculating module is configured to be according to the The battery power parameter information obtains the corrected power value SOC ₁ ; and the display module is configured to display the corrected power value SOC ₁ .

Optionally, the acquiring module includes: acquiring a current battery value SOC2 and an unavailable power value SOC3.

Optionally, the calculating module includes: determining a power threshold in a sufficient battery state; acquiring a difference between the battery sufficient state power threshold and the SOC3; and acquiring a ratio of the battery SOC2 to the difference, SOC1.

Another embodiment of the present invention provides a computer storage medium storing execution instructions for performing the method in the above embodiments.

The power display method and device provided by the embodiments of the present invention optimize the calculation of the terminal power according to various parameter information that affects the power value of the terminal, and can reduce the error between the display value and the actual value of the terminal power. The terminal displays more accurate power and helps improve the user experience.

DRAWINGS

The drawings are used to provide a further understanding of the technical solutions of the present invention, and constitute a part of the specification, which is used together with the embodiments of the present application to explain the technical solutions of the present invention, and does not constitute a limitation of the technical solutions of the present invention.

1 is a flow chart of a method for displaying a power quantity according to an embodiment of the present invention.

2 is a graph showing charge and discharge curves of a battery according to an embodiment of the present invention.

3 is a schematic diagram of a power display device according to an embodiment of the present invention.

detailed description

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that, in the case of no conflict, the features in the embodiments and the embodiments in the present application may be arbitrarily combined with each other.

FIG. 1 is a flowchart of a method for displaying a power quantity according to an embodiment of the present invention. As shown in FIG. 1 , an embodiment of the present invention includes:

S10. Obtain the power parameter information of the terminal.

Wherein, the acquisition of the current battery value SOC ₂ and the unavailable power value SOC ₃ ;

The acquiring the SOC ₃ includes:

Obtaining the current system power consumption Isys of the terminal and the battery resistance Rbat and the voltage V ₀ when the preset battery power is ₀ ;

According to the Rbat, and the V ₀ of the Isys acquires the SOC _3,

That is: SOC ₃ = look_up (V ₀ + Isys × Rbat);

Among them, look_up refers to the linear interpolation of the discrete corresponding points on the voltage-electricity curve, and the operation symbol of the corresponding electric quantity value with small error is obtained.

The SOC ₃ can be found by the battery charge and discharge graph.

Wherein, the Rbat is related to the current battery temperature T, the current power value SOC _2, and the battery usage time t. In this embodiment, according to the temperature and battery internal resistance comparison table, obtain Rbat; according to the power and battery internal resistance comparison table, obtain Rbat; according to the battery battery condition and use time t, obtain Rbat;

The electric quantity and the internal resistance of the battery are statistically analyzed according to experimental values of changes in internal resistance of the battery with changes in electric quantity.

S20, obtaining a corrected power value SOC ₁ according to the battery power parameter information;

In the embodiment of the present invention, the preset power battery has a power threshold value of 100%;

Preset power correction formula: SOC ₁ = SOC ₂ ÷ (100% – SOC ₃ ). SOC ₁ is obtained according to the correction formula.

The preset electric quantity correction formula SOC ₁ = SOC ₂ ÷ (100% - SOC ₃ ) is evolved by the following steps:

Correct the empirical formula of the electricity value:

SOC ₁ = (SOC _{4 -} SOC ₃ ) ÷ (100% – SOC ₃ )

Among them, SOC4 is the battery power value in the open state.

In this embodiment,

SOC ₄ = look_up (OCV) = look_up (Vbat + Isys × Rbat);

SOC ₃ = look_up (V ₀ + Isys × Rbat);

Where OCV is the open circuit voltage of the battery and Vbat is the current voltage value of the battery.

Because the open_up state and the system running look_up (Isys × Rbat) values are approximately equal, can be offset.

After the above electricity is offset,

SOC ₁ =look_up(Vbat)÷{100%–look_up(V ₀ +Isys×Rbat)};

Wherein, look_up (Vbat) is the acquired SOC ₂ .

Therefore, the preset SOC ₁ correction formula in the embodiment of the present invention is:

SOC ₁ = SOC ₂ ÷ (100% – SOC ₃ )

According to the preset electric quantity correction formula SOC ₁ =SOC ₂ ÷(100%−SOC ₃ ), SOC _{1 is} obtained.

Upon completion of S20, the process proceeds to S30, and the corrected power value SOC _{1 is} displayed.

In order to further describe the technical solution of the present invention in detail, in the embodiment of the present invention, the battery internal resistance Rbat is increased by 0.02 Ω every 1000 hours, and the battery with a voltage value V0 of 3V when the battery power is 0 is introduced:

Step S10, obtaining a battery SOC ₂ of 20%;

The acquisition terminal Isys is 2000 mA, T is 20 ° C, and t is 2000 hours, so that the SOC 3 is obtained as 5%. The steps are:

From the temperature and battery internal resistance comparison table and the battery and the internal resistance table of Table 2, the battery is obtained at 25 ° C, the battery is in a sufficient state of electricity 100%, the internal resistance of the battery itself is 0.2 Ω;

It can be obtained from the table 1 temperature and battery internal resistance comparison table, compared with the battery temperature is 25 ° C, the battery temperature current temperature 20 ° C, the battery internal resistance change is 0.01 Ω;

It can be obtained from the table 2 battery and battery internal resistance comparison table. When the battery is 100% unused, the battery internal resistance is changed to 0.05Ω.

It can be obtained from the factory parameters of the battery, the battery usage time is 2000 hours, and the internal resistance change of the battery is 0.04 Ω;

Then, Rbat=0.2Ω+0.01Ω+0.05Ω+0.04Ω=0.3Ω

Look_up(V ₀ +Isys×Rbat)=look_up(3+2×0.3)=look_up(3.6v)

From the battery charge and discharge curve 2, the battery is 5% when the battery voltage is 3.6V, that is, SOC ₃ is obtained.

Step S20: Correct the formula according to the preset power amount:

SOC ₁ = SOC ₂ ÷ (100% - SOC ₃ ) = 20% ÷ (100% - 5%) = 21%.

In step S30, the obtained SOC ₁ = 21% is displayed on the terminal.

FIG. 3 is a schematic diagram of an apparatus for displaying a power quantity according to an embodiment of the present invention. As shown in FIG. 3, the apparatus of the embodiment of the present invention includes:

Obtaining module 1, configured to obtain battery power parameter information;

The calculating module 2 is configured to obtain a corrected power value SOC ₁ according to the battery power parameter information;

The display module 3 is arranged to display the corrected power value SOC ₁ .

In the embodiment of the present invention, the acquiring the power parameter information of the terminal by the acquiring module 1 includes:

The current battery value SOC ₂ and the unavailable power value SOC ₃ .

The acquisition of SOC ₃ includes:

Obtaining the SOC ₃ according to the Rbat, the Isys, and the V ₀ ;

That is, SOC ₃ = look_up (V ₀ + Isys × Rbat)}

Use the battery charge and discharge graph to find the SOC ₃ .

Wherein obtaining the Rbat includes:

Obtaining the Rbat according to a temperature and battery resistance comparison table;

Obtaining the Rbat according to a battery and a battery resistance comparison table;

The Rbat is obtained according to the battery life.

In the embodiment of the present invention, the calculating module 2 obtains the SOC ₁ according to the power parameter information, including:

The preset battery has a power threshold of 100%;

Preset power correction formula: SOC ₁ = SOC ₂ ÷ (100% – SOC ₃ ).

The SOC ₁ is obtained according to the preset electric quantity correction formula.

Embodiments of the present invention also provide a storage medium. Optionally, in this embodiment, an execution instruction is stored in the storage medium, and the execution instruction is used to execute the foregoing method.

Optionally, in the embodiment, the foregoing storage medium may include, but is not limited to, a USB flash drive, a Read-Only Memory (ROM), and a Random Access Memory (RAM). A variety of media that can store program code, such as a hard disk, a disk, or an optical disk.

The invention provides a power display method and device. By obtaining parameter information that has an influence on the electric quantity, the electric quantity correction formula is used to acquire and display the electric quantity of the terminal, and the error of the display value and the actual value of the electric quantity of the terminal can be reduced, so that the terminal displays More accurate battery power is beneficial to enhance the user experience.

One of ordinary skill in the art will appreciate that all or a portion of the steps described above can be accomplished by a program that instructs the associated hardware, such as a read-only memory, a magnetic or optical disk, and the like. Alternatively, all or part of the steps of the above embodiments may also be implemented using one or more integrated circuits. Correspondingly, each module in the foregoing embodiment may be implemented in the form of hardware, or may be implemented in the form of a software function module. The invention is not limited to any specific form of combination of hardware and software.

The above is only a preferred embodiment of the present invention, and of course, the present invention may be embodied in various other embodiments without departing from the spirit and scope of the invention. Corresponding changes and modifications are intended to be included within the scope of the appended claims.

Industrial applicability

As described above, the power display method and apparatus provided by the embodiments of the present invention have the following beneficial effects: according to various parameter information affecting the power value of the terminal, the power consumption correction formula is used to optimize the calculation of the terminal power, thereby reducing the power of the terminal. The error between the displayed value and the actual value makes the terminal display more accurate power, which is beneficial to improve the user experience.

Claims

A power display method is applied to a terminal, including:

Obtain the battery power parameter information;

Obtaining a corrected power value SOC 1 according to the battery power parameter information;

The corrected power value SOC 1 is displayed.
The method of claim 1, wherein the obtaining the power parameter information of the terminal comprises:

The current battery value SOC 2 and the unavailable power value SOC 3 are obtained .
The method of claim 2, wherein obtaining the corrected power value SOC 1 according to the battery power parameter information comprises:

Presetting the battery threshold in a sufficient state;

Obtaining a difference between the battery sufficient state power threshold and the SOC 3 ;

The ratio of the SOC 2 of the battery to the difference is obtained to obtain SOC 1 .
The method of claim 2 or 3, wherein said SOC 3 comprises:

Obtaining the current system power consumption Isys of the terminal and the battery resistance Rbat and the voltage V 0 when the preset battery power is 0 ;

According to the Rbat, and the V 0 of the Isys acquires the SOC 3.
The method of claim 4 wherein obtaining the Rbat comprises:

Obtaining the current battery temperature T, the current power value SOC 2, and the battery usage time t;

The Rbat is obtained according to the T, the SOC 2, and the t.
The method of claim 5 wherein obtaining the Rbat based on the T and the SOC 2 comprises:

Obtaining the Rbat according to a temperature and battery resistance comparison table;

The Rbat is obtained according to a battery and a battery resistance comparison table.
The method as claimed in claim 4, wherein, according to the Rbat, Isys V 0, and acquires the preset SOC 3 further comprising:

According to the sum of the product of Rbat and Isys and the V 0 , the SOC 3 is obtained by using a battery charge and discharge graph.
A device for displaying a power quantity is applied to a terminal, comprising: an obtaining module, a calculating module and a display module;

The obtaining module is configured to acquire power quantity parameter information of the battery;

The calculating module is configured to obtain a corrected power value SOC 1 according to the battery power parameter information;

The display module is configured to display the corrected power value SOC 1 .
The apparatus of claim 8 wherein said obtaining module comprises:

The current battery value SOC 2 and the unavailable power value SOC 3 are obtained .
The apparatus of claim 9 wherein said computing module comprises:

Presetting the battery threshold in a sufficient state;

Obtaining a difference between the battery sufficient state power threshold and the SOC 3 ;

The ratio of the SOC 2 of the battery to the difference is obtained to obtain SOC 1 .
The apparatus of claim 9 or 10, wherein said SOC 3 comprises:

Obtaining the current system power consumption Isys of the terminal and the battery resistance Rbat and the voltage V 0 when the preset battery power is 0 ;

According to the Rbat, and the V 0 of the Isys acquires the SOC 3.
The apparatus of claim 11 wherein obtaining the Rbat comprises:

Obtaining the current battery temperature T, the current power value SOC 2, and the battery usage time t;

The Rbat is obtained according to the T, the SOC 2, and the t.
The apparatus of claim 12, wherein obtaining the Rbat according to the T and the SOC 2 comprises:

Obtaining the Rbat according to a temperature and battery resistance comparison table;

The Rbat is obtained according to a battery and a battery resistance comparison table.
The apparatus as claimed in claim 11, wherein said Rbat, Isys V 0, and acquires the preset SOC based on 3 further comprising:

According to the sum of the product of Rbat and Isys and the V 0 , the SOC 3 is obtained by using a battery charge and discharge graph.
A computer storage medium storing execution instructions for performing the method of any one of claims 1 to 7.