CN105929335A - Battery information sampling and processing method and device - Google Patents
Battery information sampling and processing method and device Download PDFInfo
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- CN105929335A CN105929335A CN201610225729.8A CN201610225729A CN105929335A CN 105929335 A CN105929335 A CN 105929335A CN 201610225729 A CN201610225729 A CN 201610225729A CN 105929335 A CN105929335 A CN 105929335A
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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]
- G01R31/3644—Constructional arrangements
- G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
Abstract
The invention discloses a battery information sampling and processing method and a battery information sampling and processing device. The battery information sampling and processing method includes the following steps that: when a terminal is in an on state, the battery information of the terminal is sampled with a preset sampling frequency, so that the sampling value of the battery information can be obtained; first filtering processing is performed on the sampling value through a first filtering window of a preset size, so that a first filtering result can be obtained; second filtering processing is performed on the first filtering result with a second filtering window of a preset size, so that a second filtering result can be obtained; and the second filtering result, adopted as a sampling and processing result, is outputted. According to the method, a filtering algorithm adopting in the first filtering processing is different from a filtering algorithm adopting in the second filtering processing. With the battery information sampling and processing method and device provided by the technical schemes of the invention adopted, the accuracy of the battery information sampling and processing result can be improved.
Description
Technical field
The present invention relates to technical field of data processing, be specifically related to a kind of battery information sampling processing method and dress
Put.
Background technology
Owing to some basic function of mobile phone needs to call battery information (the such as cell voltage, electricity of mobile phone
Pond temperature etc.), therefore, in order to ensure the properly functioning of these basic functions, need to be turned by analog/digital
(i.e. ADC, English full name is parallel operation: Analog-to-Digital Converter) gather the battery letter of mobile phone
Breath.
Owing to battery information is an analogue signal amount, it is easily subject to disturb signal (such as environment noise)
Impact, the most only acquisition precision by improving ADC on hardware can not suppress to disturb signal well
Impact on sampled value, it is necessary to be filtered the sampled value of battery information in software, removes interference signal
Interference, in order to obtain accurate battery information.
The most conventional sampling processing method is by the mean filter method sampled value to battery information that counts
Carry out processing (sampled value that multiple repairing weld i.e. obtains battery information is averaged), although such way
Can suppress to disturb the impact of signal to a certain extent, but, owing to the filtering of the mean filter method that counts is imitated
The most poor, still there is bigger error in the result obtained after therefore being processed by this sampling processing method, special
It not that this error becomes apparent under the interference too high scene of the signal frequency of occurrences.
Summary of the invention
The present invention provides a kind of battery information sampling processing method and device, is used for improving at battery information sampling
The accuracy of reason result.
First aspect present invention provides a kind of battery information sampling processing method, including:
Under the open state of terminal, with default sample frequency, the battery information of above-mentioned terminal is adopted
Sample, obtains the sampled value of above-mentioned battery information；
By the first filter window of default size, above-mentioned sampled value is carried out the first Filtering Processing, obtain first
Filter result；
By the second filter window of default size, above-mentioned first filter result is carried out the second Filtering Processing,
To the second filter result；
Above-mentioned second filter result is exported as sampling processing result；
Wherein, the filtering that the filtering algorithm that above-mentioned first Filtering Processing uses uses with above-mentioned second Filtering Processing
Algorithm is different.
Based on first aspect present invention, in the implementation that the first is possible, above-mentioned first Filtering Processing is adopted
Filtering algorithm be specially median filtering algorithm；
The first filter window above by default size carries out the first Filtering Processing to above-mentioned sampled value, obtains
The step of the first filter result is particularly as follows: carry out above-mentioned sampled value by the first filter window of default size
Medium filtering processes.
Based on first aspect present invention, or the first possible implementation of first aspect present invention,
In the implementation that the second is possible, the filtering algorithm that above-mentioned second Filtering Processing uses specially slides average
Filtering algorithm；
Above-mentioned first filter result is carried out at the second filtering by the second filter window above by default size
The step of reason is particularly as follows: slide to above-mentioned first filter result by the second filter window of default size
Mean filter processes.
Based on first aspect present invention, or the first possible implementation of first aspect present invention,
In the third possible implementation, above-mentioned battery information is specially cell voltage；
Above-mentioned under the open state of terminal, with default sample frequency, the battery information of above-mentioned terminal is carried out
Sampling, obtains the sampled value of above-mentioned battery information, particularly as follows: under the open state of terminal, with default
The cell voltage of above-mentioned terminal is sampled by sample frequency, obtains the sampled value of above-mentioned cell voltage.
Based on first aspect present invention, or the first possible implementation of first aspect present invention,
In 4th kind of possible implementation, above-mentioned battery information is specially battery temperature；
Above-mentioned under the open state of terminal, with default sample frequency, the battery information of above-mentioned terminal is carried out
Sampling, obtains the sampled value of above-mentioned battery information, particularly as follows: under the open state of terminal, with default
The battery temperature of above-mentioned terminal is sampled by sample frequency, obtains the sampled value of above-mentioned battery temperature.
Second aspect present invention provides a kind of battery information sampling processing device, including:
Sampling unit, under the open state of terminal, with the default sample frequency electricity to above-mentioned terminal
Pond information is sampled, and obtains the sampled value of above-mentioned battery information；
First filter processing unit, for carrying out above-mentioned sampled value by the first filter window of default size
First Filtering Processing, obtains the first filter result；
Second filter processing unit, at by the second filter window of default size to above-mentioned first filtering
First filter result of reason unit output carries out the second Filtering Processing, obtains the second filter result；
Output unit, is used for above-mentioned second filter result of above-mentioned second filter processing unit output as adopting
Sample result exports；
Wherein, the filtering that the filtering algorithm that above-mentioned first Filtering Processing uses uses with above-mentioned second Filtering Processing
Algorithm is different.
Based on second aspect present invention, in the implementation that the first is possible, above-mentioned first Filtering Processing is adopted
Filtering algorithm be specially median filtering algorithm；
Above-mentioned first filter processing unit specifically for: adopted above-mentioned by the first filter window of default size
Sample value carries out medium filtering process.
Based on second aspect present invention, or the first possible implementation of second aspect present invention,
In the implementation that the second is possible, the filtering algorithm that above-mentioned second Filtering Processing uses specially slides average
Filtering algorithm；
Above-mentioned first filter processing unit specifically for: by the second filter window of default size to above-mentioned
One filter result carries out slip mean filter process.
Based on second aspect present invention, or the first possible implementation of second aspect present invention,
In the third possible implementation, above-mentioned battery information is specially cell voltage；
Above-mentioned sampling unit specifically for: under the open state of terminal, with default sample frequency to above-mentioned
The cell voltage of terminal is sampled, and obtains the sampled value of above-mentioned cell voltage.
Based on second aspect present invention, or the first possible implementation of second aspect present invention,
In 4th kind of possible implementation, above-mentioned battery information is specially battery temperature；
Above-mentioned sampling unit specifically for: under the open state of terminal, with default sample frequency to above-mentioned
The battery temperature of terminal is sampled, and obtains the sampled value of above-mentioned battery temperature.
Therefore, the present invention carries out first by the first filter window to the sampled value of the battery information of terminal
Filtering Processing, and on the basis of the first Filtering Processing, by the second filter window, the first filter result is entered
Row secondary filtering, owing to having carried out secondary filtering process, accordingly, with respect to biography to the sampled value of battery information
The sampling processing scheme of system, it is possible to the more effectively impact of suppression interference signal, thus improve battery information
The accuracy of sampling processing result.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to enforcement
In example or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
One embodiment schematic flow sheet of battery information sampling processing method that Fig. 1-a provides for the present invention；
A kind of medium filtering handling process schematic diagram that Fig. 1-b provides for the present invention；
A kind of slip mean filter handling process schematic diagram that Fig. 1-c provides for the present invention；
One example structure schematic diagram of battery information sampling processing device that Fig. 2 provides for the present invention.
Detailed description of the invention
For making the goal of the invention of the present invention, feature, the advantage can be the most obvious and understandable, below will knot
Close the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely retouched
State, it is clear that described embodiment is only a part of embodiment of the present invention, and not all embodiments.Base
Embodiment in the present invention, those of ordinary skill in the art are obtained under not making creative work premise
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
Embodiment one
The embodiment of the present invention provides a kind of battery information sampling processing method, refers to Fig. 1-a, and the present invention is real
The battery information sampling processing method executed in example includes:
Step 101, under the open state of terminal, with default sample frequency, the battery of above-mentioned terminal is believed
Breath is sampled, and obtains the sampled value of above-mentioned battery information；
In the embodiment of the present invention, above-mentioned open state include but not limited to starting up's stage, holding state and
The non-off-mode such as duty.In a step 101, when terminal is in open state, adopt with default
The battery information of above-mentioned terminal is sampled by sample frequency, obtains the sampled value of above-mentioned battery information.
Optionally, above-mentioned battery information is cell voltage, then step 101 is particularly as follows: at the start shape of terminal
Under state, with default sample frequency, the cell voltage of this terminal is sampled, obtain above-mentioned cell voltage
Sampled value.Specifically, it is real that the process sampled the cell voltage of above-mentioned terminal is referred to prior art
Existing (such as can be sampled the cell voltage of above-mentioned terminal by ADC), here is omitted.
Optionally, above-mentioned battery information is battery temperature, then step 101 is particularly as follows: at the start shape of terminal
Under state, with default sample frequency, the battery temperature of this terminal is sampled, obtain above-mentioned battery temperature
Sampled value.Specifically, it is real that the process sampled the battery temperature of above-mentioned terminal is referred to prior art
Existing (such as can be sampled the battery temperature of above-mentioned terminal by ADC), here is omitted.
Certainly, the battery information in the embodiment of the present invention can also be the analogue signal that other is relevant to battery
Amount, is not construed as limiting herein.
Step 102, by the first filter window of default size, above-mentioned sampled value is carried out at the first filtering
Reason, obtains the first filter result；
Optionally, the filtering algorithm that above-mentioned first Filtering Processing uses is median filtering algorithm, then step 102
Particularly as follows: the sampled value that obtains of step 101 sampling is carried out intermediate value by the first filter window of default size
Filtering Processing.Its detailed process as shown in Fig. 1-b, including:
Step S1, size according to the first filter window, to the respective numbers that this continuous sampling obtains
Sampled value is ranked up；
In step sl, according to the size of the first filter window, respective counts continuous sampling obtained every time
The sampled value of amount is as one group, and is ranked up this group sampled value, specifically, and can be to adopting in same group
Sample value is ranked up according to descending order, or, it is also possible to the sampled value in same group according to by little
It is ranked up to big order, is not construed as limiting herein.
Illustrate, if the size of the first filter window is 3, then adopt for 3 obtained with continuous sampling every time
Sample value is one group, and (that is, the sampled value the 1st～3 sampling obtained is one group, the 4th～6 sampling is obtained
Sampled value as another group, by that analogy), every time to 3 sampled values in same group according to descending
Order or ascending order be ranked up.
S2, from sequence after multiple sampled values choose the intermediate value the first filter result as this；
In step s 2, from the multiple sampled values after sequence, choose intermediate value as this first every time
Filter result, returns step S1 afterwards.Illustrate, if the size of the first filter window is 3, through step
3 sampled values obtained after S1 sequence are followed successively by A1, A2 and A3, the most in step s 2, choose A2
The first filter result as this.
It should be noted that the embodiment of the present invention can also use other filtering algorithm above-mentioned sampled value is entered
Row the first Filtering Processing, is not construed as limiting herein.
Step 103, by the second filter window of default size, above-mentioned first filter result is carried out the second filter
Ripple processes, and obtains the second filter result；
In the embodiment of the present invention, the first filter result step 102 obtained carries out second as step 103
The input value of Filtering Processing, carries out by the second filter window of default size to above-mentioned first filter result
Two Filtering Processing, obtain the second filter result.
Wherein, the filtering that the filtering algorithm that above-mentioned second Filtering Processing uses uses with above-mentioned first Filtering Processing
Algorithm is different.
Optionally, the filtering algorithm that above-mentioned second Filtering Processing uses is slip Mean Filtering Algorithm, then step
103 particularly as follows: process the first filtering knot obtained by the second filter window of default size to step 102
Fruit carries out slip mean filter process.Its detailed process as shown in fig 1-c, including:
Step D1, initialization filtering queue；
Wherein, initialized filtering queue is empty.
Step D2, size according to the second filter window, obtain the first filter result of respective numbers and depend on
In secondary addition above-mentioned filtering queue；
In step D1, the first filter result that obtaining step 102 obtains after processing every time is also sequentially added into
In above-mentioned filtering queue, until the quantity of the first filter result comprised in above-mentioned filtering queue and the second filtering
Window in the same size, enters step D2 afterwards.
Illustrate, if the size of the second filter window is 5, then in step D1, obtaining step 102
The first filter result of obtaining process every time after is also sequentially added in above-mentioned filtering queue, until above-mentioned filtering team
Step D2 is entered when the quantity of the first filter result comprised in row is 5.
Step D3, the arithmetic mean of instantaneous value of the first filter result calculated in current filter queue, tie calculating
Fruit is as this second filter result；
Illustrate, if the size of the first filter window is 5, the first filter result in current filter queue
Be followed successively by A1 ', A2 ', A3 ', A4 ' and A5 ', the most in step d 2, calculate A1 ', A2 ', A3 ',
The arithmetic mean of instantaneous value computing of A4 ' and A5 ', i.e. (A1 '+A2 '+A3 '+A4 '+A5 ')/5, by result of calculation
(A1 '+A2 '+A3 '+A4 '+A5 ')/5 are as this second filter result.
Step D4, by newly obtain first filter result add current filter queue tail of the queue, and delete work as
First first filter result in front filtering queue, returns step D3 afterwards.
It should be noted that the embodiment of the present invention can also use other filtering algorithm to above-mentioned first filtering knot
Fruit carries out the second Filtering Processing, is not construed as limiting herein.
Step 104, using above-mentioned second filter result as sampling processing result export；
In the embodiment of the present invention, step 103 is processed the second filter result obtained as sampling processing result
Output (i.e. the sampled value as above-mentioned battery information exports), in order to other application of above-mentioned terminal can be adjusted
By this sampling processing result.
It should be noted that the battery information sampling processing method in the embodiment of the present invention specifically can be by battery
Intelligence sample processing means realizes, and this battery information sampling processing device can be (such as application program with software
Or plug-in unit) and/or the mode of hardware be integrated in above-mentioned terminal, above-mentioned terminal is specially smart mobile phone, flat
Plate computer or other terminal needing to gather battery information, be not construed as limiting herein.
Therefore, the present invention carries out first by the first filter window to the sampled value of the battery information of terminal
Filtering Processing, and on the basis of the first Filtering Processing, by the second filter window, the first filter result is entered
Row secondary filtering, owing to having carried out secondary filtering process, accordingly, with respect to biography to the sampled value of battery information
The sampling processing scheme of system, it is possible to the more effectively impact of suppression interference signal, thus improve battery information
The accuracy of sampling processing result.
Embodiment two
The embodiment of the present invention provides a kind of battery information sampling processing device, refers to Fig. 2, and the present invention implements
Battery information sampling processing device 200 in example includes:
Sampling unit 201, under the open state of terminal, with default sample frequency to above-mentioned terminal
Battery information sample, obtain the sampled value of above-mentioned battery information；
First filter processing unit 202, is used for by the first filter window of default size above-mentioned sampled value
Carry out the first Filtering Processing, obtain the first filter result；
Second filter processing unit 203, for filtering above-mentioned first by the second filter window of default size
First filter result of ripple processing unit 202 output carries out the second Filtering Processing, obtains the second filter result；
Output unit 204, makees for above-mentioned second filter result the second filter processing unit 203 exported
Export for sampling processing result；
Wherein, the filtering that the filtering algorithm that above-mentioned first Filtering Processing uses uses with above-mentioned second Filtering Processing
Algorithm is different.
Optionally, the filtering algorithm that above-mentioned first Filtering Processing uses is specially median filtering algorithm；First filter
Ripple processing unit 202 specifically for: in above-mentioned sampled value being carried out by the first filter window of default size
Value filtering processes.
Optionally, the filtering algorithm that above-mentioned second Filtering Processing uses specially slides Mean Filtering Algorithm；The
Two filter processing unit 203 specifically for: by the second filter window of default size to above-mentioned first filtering
Result carries out slip mean filter process.
Optionally, above-mentioned battery information is specially cell voltage；Sampling unit 201 specifically for: in terminal
Open state under, with default sample frequency, the cell voltage of above-mentioned terminal is sampled, obtains above-mentioned
The sampled value of cell voltage.
Optionally, above-mentioned battery information is specially battery temperature；Sampling unit 201 specifically for: in terminal
Open state under, with default sample frequency, the battery temperature of above-mentioned terminal is sampled, obtains above-mentioned
The sampled value of battery temperature.
It should be noted that the battery information sampling processing method in the embodiment of the present invention specifically can be by battery
Intelligence sample processing means realizes, and this battery information sampling processing device can be (such as application program with software
Or plug-in unit) and/or the mode of hardware be integrated in above-mentioned terminal, above-mentioned terminal is specially smart mobile phone, flat
Plate computer or other terminal needing to gather battery information, be not construed as limiting herein.
Should be understood that the function of each functional module of battery information sampling processing device in the embodiment of the present invention
Can implement according to the method in said method embodiment, it implements process and can refer to said method
Associated description in embodiment, here is omitted.
Therefore, the present invention carries out first by the first filter window to the sampled value of the battery information of terminal
Filtering Processing, and on the basis of the first Filtering Processing, by the second filter window, the first filter result is entered
Row secondary filtering, owing to having carried out secondary filtering process, accordingly, with respect to biography to the sampled value of battery information
The sampling processing scheme of system, it is possible to the more effectively impact of suppression interference signal, thus improve battery information
The accuracy of sampling processing result.
In several embodiments provided herein, it should be understood that disclosed system and method, can
To realize by another way.
It should be noted that for aforesaid each method embodiment, in order to simplicity describes, therefore by its all table
Stating as a series of combination of actions, but those skilled in the art should know, the present invention is not by described
The restriction of sequence of movement because according to the present invention, some step can use other order or enter simultaneously
OK.Secondly, those skilled in the art also should know, embodiment described in this description belongs to preferably
Embodiment, involved action and module might not be all necessary to the present invention.
In the above-described embodiments, the description to each embodiment all emphasizes particularly on different fields, and does not has in certain embodiment
The part described in detail, may refer to the associated description of other embodiments.
It is more than the description to a kind of battery information sampling processing method and device provided by the present invention, right
In one of ordinary skill in the art, according to the thought of the embodiment of the present invention, in detailed description of the invention and application
All will change in scope, to sum up, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. a battery information sampling processing method, it is characterised in that including:
Under the open state of terminal, with default sample frequency, the battery information of described terminal is adopted
Sample, obtains the sampled value of described battery information；
By the first filter window of default size, described sampled value is carried out the first Filtering Processing, obtain first
Filter result；
By the second filter window of default size, described first filter result is carried out the second Filtering Processing,
To the second filter result；
Described second filter result is exported as sampling processing result；
Wherein, the filtering that the filtering algorithm that described first Filtering Processing uses uses with described second Filtering Processing
Algorithm is different.
Method the most according to claim 1, it is characterised in that described first Filtering Processing uses
Filtering algorithm is specially median filtering algorithm；
Described the first filter window by default size carries out the first Filtering Processing to described sampled value, obtains
The step of the first filter result is particularly as follows: carry out described sampled value by the first filter window of default size
Medium filtering processes.
Method the most according to claim 1 and 2, it is characterised in that described second Filtering Processing is adopted
Filtering algorithm specially slide Mean Filtering Algorithm；
Described by the second filter window of default size, described first filter result is carried out at the second filtering
The step of reason is particularly as follows: slide to described first filter result by the second filter window of default size
Mean filter processes.
Method the most according to claim 1 and 2, it is characterised in that described battery information is specially
Cell voltage；
Described under the open state of terminal, with default sample frequency, the battery information of described terminal is carried out
Sampling, obtains the sampled value of described battery information, particularly as follows: under the open state of terminal, with default
The cell voltage of described terminal is sampled by sample frequency, obtains the sampled value of described cell voltage.
Method the most according to claim 1 and 2, it is characterised in that described battery information is specially
Battery temperature；
Described under the open state of terminal, with default sample frequency, the battery information of described terminal is carried out
Sampling, obtains the sampled value of described battery information, particularly as follows: under the open state of terminal, with default
The battery temperature of described terminal is sampled by sample frequency, obtains the sampled value of described battery temperature.
6. a battery information sampling processing device, it is characterised in that including:
Sampling unit, under the open state of terminal, with the default sample frequency electricity to described terminal
Pond information is sampled, and obtains the sampled value of described battery information；
First filter processing unit, for carrying out described sampled value by the first filter window of default size
First Filtering Processing, obtains the first filter result；
Second filter processing unit, at by the second filter window of default size to described first filtering
First filter result of reason unit output carries out the second Filtering Processing, obtains the second filter result；
Output unit, is used for described second filter result of described second filter processing unit output as adopting
Sample result exports；
Wherein, the filtering that the filtering algorithm that described first Filtering Processing uses uses with described second Filtering Processing
Algorithm is different.
Battery information sampling processing device the most according to claim 6, it is characterised in that described
The filtering algorithm that one Filtering Processing uses is specially median filtering algorithm；
Described first filter processing unit specifically for: adopted described by the first filter window of default size
Sample value carries out medium filtering process.
8. according to the battery information sampling processing device described in claim 6 or 7, it is characterised in that institute
State the filtering algorithm that the second Filtering Processing uses specially to slide Mean Filtering Algorithm；
Described second filter processing unit specifically for: by the second filter window of default size to described
One filter result carries out slip mean filter process.
9. according to the battery information sampling processing device described in claim 6 or 7, it is characterised in that institute
State battery information and be specially cell voltage；
Described sampling unit specifically for: under the open state of terminal, with default sample frequency to described
The cell voltage of terminal is sampled, and obtains the sampled value of described cell voltage.
10. according to the battery information sampling processing device described in claim 6 or 7, it is characterised in that institute
State battery information and be specially battery temperature；
Described sampling unit specifically for: under the open state of terminal, with default sample frequency to described
The battery temperature of terminal is sampled, and obtains the sampled value of described battery temperature.
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