CN104849665B - A kind of method and device for determining storage battery safety electric discharge duration - Google Patents

A kind of method and device for determining storage battery safety electric discharge duration Download PDF

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Publication number
CN104849665B
CN104849665B CN201410056932.8A CN201410056932A CN104849665B CN 104849665 B CN104849665 B CN 104849665B CN 201410056932 A CN201410056932 A CN 201410056932A CN 104849665 B CN104849665 B CN 104849665B
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safe
discharge duration
discharge
battery
history
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CN104849665A (en
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赵洪锋
张世勇
霍绍博
陈平
耿君毅
马锦素
谷文奎
侯平
王滨
单莘
胡继业
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China Mobile Group Hebei Co Ltd
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China Mobile Group Hebei Co Ltd
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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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Abstract

The invention discloses a kind of method for determining storage battery safety electric discharge duration, methods described includes：The first safe-discharge duration T is determined according to the history safe-discharge duration data of the battery of storage1；The preset table of comparisons is searched according to the underlying parameter of the battery and determines the second safe-discharge duration T2；According to Ts=p×T1+(1‑p)×T2Determine the safe-discharge duration T of the batterys, wherein p is weight coefficient.The present invention also discloses a kind of device for determining storage battery safety electric discharge duration.Using technical scheme, it is capable of the safe-discharge duration of accurate evaluation battery, so as to provide expected disaster tolerance effect.

Description

A kind of method and device for determining storage battery safety electric discharge duration
Technical field
The present invention relates to power technology, more particularly to a kind of method and device for determining storage battery safety electric discharge duration.
Background technology
With the fast development of communication service, base station spreads all over each city, small towns and rural area.Batteries are communication systems The guarantee of normal operation, it is the important component of base station power.For base station and computer room, once Switching Power Supply such as rectification mould Block output break down or mains failure after generator can not normal power supply, now battery with regard to direct relation base station machine room whether Being capable of normal work.Base station is once power off, it will brings direct economic loss difficult to the appraisal and huge negative to operator Influence.
When civil power is normal, two group storage batteries are in floating charge state, i.e. civil power provides floating current to battery, makes up storage It is lost caused by battery pack local action, and battery is not powered to base station equipment.After civil power is cut off, two groups of electric power storages Pond carries out emergency service to base station equipment, ensures the normal operation of base station equipment.When battery tension drops to default threshold value When, if civil power does not recover also, in order to ensure the performance of battery, battery is no longer powered to equipment, switchs to artificial oil Machine generates electricity, until city power recovery is normal.
When power-off fault occurs for base station, the first moment and the battery output total voltage discharged by battery decline Difference between the second moment of default voltage threshold, the difference are referred to as storage battery safety electric discharge duration.Voltage is preset Threshold value is that cell voltage drops to the minimum angle value for being unlikely to cause damage when discharging.When battery discharging to this voltage After threshold value, the voltage of battery, which drastically declines, causes obtained energy very small, if long-term deep discharge is to battery Infringement it is quite big.Such as：Certain company is in order to easy to maintenance, during Uniform provisions battery power supply to the device, the voltage of battery It can not be further continued for discharging when dropping to 48V, otherwise can damage battery；Now if civil power does not recover also, then switch to oil machine hair Electricity.
Batteries are to ensure the last guarantee of base station communication network normal operation, and the safe-discharge duration of batteries is straight Connecing influences the maintenance quality of communication system.Therefore, it is particularly significant to the discharge time of traffic load accurately to know batteries 's.
Existing battery discharging duration analysis method is as follows：（1）Attendant uses discharge instrument or other survey tools The capacity of battery is measured, goes to judge that battery can discharge duration situation by conventional data and experience；（2）By using measuring instrument Device carries out detection internal cell resistance, and then judges the duration that discharges of battery.Both existing modes can not be accurate The safe-discharge duration of battery is assessed, causes battery accurately to estimate base station standby supportability, especially in flood season, Battery, far from expected disaster tolerance effect is reached, causes client perception, network efficiency, network value drop to the supportability of base station It is low.
The content of the invention
When the embodiment of the present invention provides a kind of determination storage battery safety electric discharge to solve problems of the prior art Long method and device, it is capable of the safe-discharge duration of accurate evaluation battery, so as to provide expected disaster tolerance effect.
What the technical scheme of the embodiment of the present invention was realized in：
A kind of method for determining storage battery safety electric discharge duration, methods described include：
The first safe-discharge duration T is determined according to the history safe-discharge duration data of the battery of storage1；
The preset table of comparisons is searched according to the underlying parameter of the battery and determines the second safe-discharge duration T2；
According to Ts=p×T1+(1-p)×T2Determine the safe-discharge duration T of the batterys, wherein p is weight coefficient.
Preferably, determine that the first safety is put in the history safe-discharge duration data of the battery according to storage Electric duration T1Before, methods described also includes：
The screening conditions screened to the history safe-discharge duration data are set, and according to the screening conditions pair The history safe-discharge duration data are screened, and the history safe-discharge duration data after screening are stored.
Preferably, the history safe-discharge duration data according to the battery determine the first safe-discharge duration T1, including：
According to formulaDetermine battery described in ith The reference weight K of safe-discharge duration in electric dischargei, wherein i is the integer more than 0 and less than or equal to n, and n is that battery is total Discharge time, LiFor ith power failure duration, TsiFor the safe-discharge duration described in ith during battery discharging, TciFor it is current when Between, TeiHave a power failure the end time for ith, IiFor the time interval of this discharge time and adjacent last discharge time, α1、α2、 α3Respectively the first predetermined coefficient, the second predetermined coefficient, the 3rd predetermined coefficient；
According to formulaDetermine the first average security electric discharge duration Ta1, wherein KiFor ith institute Safe-discharge duration T when stating battery dischargingsiReference weight；
When | Tsi-Ta1|/Ta1During >=α, by TsiCorresponding history safe-discharge duration data are rejected, and obtain m history peace Full electric discharge duration data, α is preset parameter；
It is pair corresponding with m history safe-discharge duration data with reference to weight KiIt is ranked up from big to small, j times before selection History safe-discharge duration data, j are less than or equal to m；
According toDetermine the second average security electric discharge duration Ta2, second average security puts Electric duration Ta2For the first safe-discharge duration T1。
Preferably, when the table of comparisons preset according to the lookup of the underlying parameter of the battery determines the second safe-discharge Long T2, including：
The table of comparisons is created according to the history safe-discharge duration data and underlying parameter of all batteries；
The preset table of comparisons is searched according to the underlying parameter of the battery and determines the second safe-discharge duration T2。
Preferably, described created according to the history safe-discharge duration data and underlying parameter of all batteries compares Table, including：
Determine all effective history safe-discharge durations and underlying parameter of all batteries；
By effective history safe-discharge duration and the underlying parameter according to freely forming the table of comparisons；
Normal distribution analysis is carried out to effective the history safe-discharge duration and underlying parameter for meeting the independent assortment, The mathematical expectation of the normal distribution is determined, the mathematical expectation is the peace for meeting the independent assortment in the table of comparisons Full electric discharge duration；
Accordingly, when the table of comparisons preset according to the lookup of the underlying parameter of the battery determines the second safe-discharge Long T2, including：The safe-discharge of the independent assortment is determined according to the preset table of comparisons of the underlying parameter of battery lookup Duration, as the second safe-discharge duration T2。
Preferably, all effective history safe-discharge durations for determining all batteries, including：
First sample during ith electric discharge is determined, asks arithmetic to put down after removing maximum and minimum value in the first sample Average Tai；
When | Tsi-Tai|/TaiDuring >=β, the T is determinedsiFor effective safe-discharge duration, β is preset parameter.
Preferably, first sample during the determination ith electric discharge, including：
Determine that battery total discharge time n, wherein n are more than or equal to contrast sample's number λ, λ and are more than or equal to 3, according to stopping Electric time sequencing is ranked up to history safe-discharge duration data；
Work as i<During n- λ, using i-th, i+1 ..., i+ λ -1 it is common λ times electric discharge safe-discharge duration as first sample；
Work as i>During=n- λ, using the n-th-λ+1, n- λ+2 ..., n it is common λ times electric discharge safe-discharge duration as first sample.
A kind of device for determining storage battery safety electric discharge duration, described device include the first determining unit, the second determination list Member and the 3rd determining unit, wherein：
First determining unit, the history safe-discharge duration data for the battery according to storage determine One safe-discharge duration T1；
Second determining unit, second is determined for searching the preset table of comparisons according to the underlying parameter of the battery Safe-discharge duration T2；
3rd determining unit, for according to Ts=p×T1+(1-p)×T2When determining the safe-discharge of the battery Long Ts, wherein p is weight coefficient.
Preferably, described device also includes setting unit and screening unit, wherein：
The setting unit, for setting the screening conditions screened to the history safe-discharge duration data；
The screening unit, for being screened according to the screening conditions to the history safe-discharge duration data, History safe-discharge duration data after screening are stored.
Preferably, first determining unit includes the first determining module, the second determining module, screening module, sequence mould Block and the 3rd determining module, wherein：
First determining module, for according to formulaReally Determine the reference weight K of the safe-discharge duration in electric discharge of battery described in ithi, i is more than 0 and whole less than or equal to n in formula Number, n are the total discharge time of battery, LiFor ith power failure duration, TsiPut for the safety described in ith during battery discharging Electric duration, TciFor current time, TeiFor ith power failure end time, IiDuring for this discharge time with adjacent last electric discharge Between time interval, α1、α2、α3Respectively the first predetermined coefficient, the second predetermined coefficient and the 3rd predetermined coefficient；
Second determining module, for according to formulaWhen determining the electric discharge of the first average security Long Ta1, wherein KiFor safe-discharge duration T during battery discharging described in ithsiReference weight；
The screening module, for working as | Tsi-Ta1|/Ta1During >=α, then by TsiCorresponding history safe-discharge duration data Reject, obtain m history safe-discharge duration data, α is preset parameter；
The order module, weight K is referred to for pair corresponding with m history safe-discharge duration dataiFrom big to small It is ranked up, j history safe-discharge duration data, j are less than or equal to m before selection；
3rd determining module, for basisDetermine the second average security electric discharge duration Ta2, the second average security electric discharge duration Ta2As the first safe-discharge duration T1。
In the embodiment of the present invention, the first safety is determined according to the history safe-discharge duration data of the battery of storage Discharge duration T1；The preset table of comparisons is searched according to the underlying parameter of the battery and determines the second safe-discharge duration T2；According to Ts=p×T1+(1-p)×T2Determine the safe-discharge duration T of the batterys, wherein p is weight coefficient, and it is accurate to so, it is possible The safe-discharge duration of battery is assessed, so as to provide expected disaster tolerance effect.
Brief description of the drawings
Fig. 1 is the implementation process schematic diagram for the method that the embodiment of the present invention one determines storage battery safety electric discharge duration；
Fig. 2 is the implementation process schematic diagram of step 101 in the embodiment of the present invention one；
Fig. 3 is the implementation process schematic diagram of step 102 in the embodiment of the present invention one；
Fig. 4 is the implementation process schematic diagram of step 301 in the embodiment of the present invention three；
Fig. 5 is the normal distribution analysis chart of certain battery；
Fig. 6 is the composition structural representation for the device that the embodiment of the present invention four determines storage battery safety electric discharge duration.
Embodiment
In the embodiment of the present invention, the first safety is determined according to the history safe-discharge duration data of the battery of storage Discharge duration T1；The preset table of comparisons is searched according to the underlying parameter of the battery and determines the second safe-discharge duration T2；According to Ts=p×T1+(1-p)×T2Determine the safe-discharge duration T of the batterys, wherein p is weight coefficient, and it is accurate to so, it is possible The safe-discharge duration of battery is assessed, so as to provide expected disaster tolerance effect.
The technical solution of the present invention is further elaborated with specific embodiment below in conjunction with the accompanying drawings.
Embodiment one
When having a power failure, the first moment and the battery output total voltage discharged by battery drop to pre- gating Difference between second moment of limit value, the difference are referred to as battery discharging duration, and unit is hour.Fig. 1 is implemented for the present invention Example one determines the implementation process schematic diagram of the method for storage battery safety electric discharge duration, as shown in figure 1, this method includes：
Step 101, when determining the first safe-discharge according to the history safe-discharge duration data of the battery of storage Long T1；
Here, the history safe-discharge duration data of the battery include the discharging time T of batterye, power failure duration L, the data such as safe-discharge duration.
Here, the history safe-discharge duration data according to the battery determine the first safe-discharge duration T1, Including：
According to formulaDetermine battery described in ith The reference weight K of safe-discharge duration in electric dischargei, i is the integer more than 0 and less than or equal to n in formula, and n is that battery is total Discharge time, LiFor ith power failure duration, TsiFor safe-discharge duration, the T described in ith during battery dischargingciFor it is current when Between, TeiFor ith power failure end time, IiFor the time interval of this discharge time and adjacent last discharge time, α1、α2、 α3Respectively the first predetermined coefficient, the second predetermined coefficient, the 3rd predetermined coefficient；
According to formulaDetermine the first average security electric discharge duration Ta1, wherein KiFor ith institute Safe-discharge duration T when stating battery dischargingsiReference weight；
When | Tsi-Ta1|/Ta1During >=α, then by TsiCorresponding history safe-discharge duration data are rejected, and obtain m history peace Full electric discharge duration data, α is preset parameter；
It is pair corresponding with m history safe-discharge duration data with reference to weight KiIt is ranked up from big to small, j times before selection History safe-discharge duration data, j are less than or equal to m；
According toDetermine the second average security electric discharge duration Ta2, the second average security electric discharge Duration Ta2As the first safe-discharge duration T1。
Step 102, the preset table of comparisons is searched according to the underlying parameter of the battery and determines the second safe-discharge duration T2；
Step 103, according to Ts=p×T1+(1-p)×T2Determine the safe-discharge duration T of the batterys, wherein p is power Weight coefficient.
In the embodiment of the present invention, is determined in the history safe-discharge duration data of the battery according to storage One safe-discharge duration T1Before, methods described also includes：
The screening conditions screened to the history safe-discharge duration data are set, and according to the screening conditions pair The history safe-discharge duration data are screened, and the history safe-discharge duration data after screening are stored.
In the embodiment of the present invention, methods described also includes：According to the history safe-discharge duration data of all batteries With underlying parameter create the table of comparisons, specifically, it is determined that all effective history safe-discharge durations of all batteries and Underlying parameter；
By effective history safe-discharge duration and the underlying parameter according to freely forming the table of comparisons；
Normal distribution analysis is carried out to effective the history safe-discharge duration and underlying parameter for meeting the independent assortment, The mathematical expectation of the normal distribution is determined, the mathematical expectation is to meet the independent assortment in the table of comparisons Safe-discharge duration.
In the embodiment of the present invention, all effective history safe-discharge durations for determining all batteries, bag Include：
First sample during ith electric discharge is determined, asks arithmetic to put down after removing maximum and minimum value in the first sample Average Tai；
When | Tsi-Tai|/TaiDuring >=β, the T is determinedsiFor effective safe-discharge duration, β is preset parameter.
Here, first sample includes during the determination ith electric discharge：
Determine that battery total discharge time n, wherein n are more than or equal to contrast sample's number λ, λ and are more than or equal to 3, according to stopping Electric time sequencing is ranked up to history safe-discharge duration data；
Work as i<During n- λ, then take i-th, i+1 ..., i+ λ -1 it is common λ times electric discharge safe-discharge duration as first sample；
Work as i>During=n- λ, then take the n-th-λ+1, n- λ+2 ..., n it is common λ times electric discharge safe-discharge duration as first sample.
Embodiment two
Fig. 2 is the implementation process schematic diagram of step 101 in the embodiment of the present invention one, as shown in Fig. 2 step 101 includes：
Step 201, history safe-discharge duration data are collected, when screening effective history safe-discharge according to screening conditions Long data；
Specifically, first collect history safe-discharge duration data, then set to the history safe-discharge duration data The screening conditions screened；The history safe-discharge duration data are screened according to the screening conditions, had The history safe-discharge duration data of effect, and the effective history safe-discharge duration data are stored.
Here, if history safe-discharge duration data meet following three i.e. screening conditions, as effective history Safe-discharge duration data；
Condition one：It can determine the safe-discharge duration of battery；
Condition two：Power failure duration/power failure>C1；
Condition three：This moment that has a power failure of battery is more than C2 hours away from the interval between adjacent power failure moment last time, or Without history power-off event before person's battery；
Wherein, C1=0.4, C2=10, the above-mentioned screening conditions of this area to battery history in base station especially suitable for pacifying Full electric discharge duration data are screened；Those skilled in the art can be according to the specific ambient condition of battery to C1 and C2 Corresponding screening conditions are configured and set, are repeated no more here.
Step 202, the reference weight K of the safe-discharge duration in electric discharge of battery described in ith is determinedi；
Specifically, can be according to formula（1）Determine the reference power of the safe-discharge duration in electric discharge of battery described in ith Weight Ki；
Formula（1）In, i is the integer more than 0 and less than or equal to n, and n is the total discharge time of battery, LiStop for ith Electric duration, LiUnit is second, TsiFor safe-discharge duration, the T described in ith during battery dischargingciFor current time, TeiFor Ith power failure end time, Tci-TeiUnit for day, IiFor this discharge time and the time of adjacent last discharge time Interval, α1、α2、α3Respectively the first predetermined coefficient, the second predetermined coefficient and the 3rd predetermined coefficient；It can be seen that, Li/TsiIt is bigger, ginseng Examine weight KiIt is bigger；Tci-TeiIt is smaller, with reference to weight KiIt is bigger；The time of this discharge time and adjacent last discharge time It is spaced IiIt is bigger, with reference to weight KiIt is bigger.
Here, α1、α2、α3α can be respectively set to1=0.3、α2=1、α3=0.002, above-mentioned α1、α2And α3Setting it is special Suitable for the history safe-discharge duration data of battery in base station；Those skilled in the art can be according to the specific of battery Ambient condition to α1、α2And α3It is configured, repeats no more here.
Step 203, the first average security electric discharge duration T is determineda1；
Here it is possible to according to formula（2）Fixed first average security electric discharge duration Ta1；
Formula（2）In, TsiFor safe-discharge duration, the K described in ith during battery dischargingiFor battery described in ith Safe-discharge duration T during electric dischargesiReference weight；
Step 204, as | Tsi-Ta1|/Ta1During >=α, then by TsiCorresponding history safe-discharge duration data are rejected, and obtain m Secondary history safe-discharge duration data；
Wherein, α is preset parameter, could be arranged to 0.15；
Step 205, couple reference weight K corresponding with m history safe-discharge duration dataiIt is ranked up from big to small, J history safe-discharge duration data, j are less than or equal to m before selection；
Step 206, the second average security electric discharge duration T is determineda2；
Here, the second average security electric discharge duration Ta2As the first safe-discharge duration T1, can be according to formulaIt is determined that Second average security electric discharge duration Ta2；
Here, the second average security electric discharge duration Ta2As the first safe-discharge duration T1；Work as m>When 2, j can be with Take 3；As m=2, j can take 2；Work as m<When 2, j can take 1.
Embodiment three
Fig. 3 is the implementation process schematic diagram of step 102 in the embodiment of the present invention one, as shown in figure 3, step 102 includes：
Step 301, the table of comparisons is created according to the history safe-discharge duration data and underlying parameter of all batteries；
Step 302, it is described that the preset table of comparisons is searched according to the underlying parameter of the battery, determine the second safe-discharge Duration T2。
Here, as shown in figure 4, the step 301 specifically includes：
Step 401, all effective history safe-discharge duration data and underlying parameter of all batteries are determined；
Here, all effective history safe-discharge duration data of all batteries are determined, including：According to implementation The screening conditions of step 201 are screened to the history safe-discharge duration data collected in example two；Then, it is determined that ith is put First sample when electric, arithmetic mean of instantaneous value T is sought after removing maximum and minimum value in the first sampleai；When | Tsi-Tai|/Tai During >=β, the T is determinedsiFor effective safe-discharge duration, β is preset parameter.
Wherein, first sample includes during the determination ith electric discharge：
Determine that battery total discharge time n, wherein n are more than or equal to contrast sample's number λ, λ and are more than or equal to 3, according to stopping Electric time sequencing is ranked up to history safe-discharge duration data；
Work as i<During n- λ, using i-th, i+1 ..., i+ λ -1 it is common λ times electric discharge safe-discharge duration as first sample；
Work as i>During=n- λ, using the n-th-λ+1, n- λ+2 ..., n it is common λ times electric discharge safe-discharge duration as first sample.
In general, number of samples λ can be that 5, β can be 0.3.
Here, the underlying parameter can include brand, model, the networking time limit, load, monthly frequency of power cut, secondary stop Electric duration.
Step 402, by effective history safe-discharge duration and the underlying parameter according to freely forming the table of comparisons；
Now using effective history safe-discharge duration, brand name as：It is double step on, sail, light space, Yin Tai, Ji Tianli, profit Gram；Model：GFM-400、GFM-300；Networking is limited in year：1 year, 2 years, 3 years；Load and be：19A、20A、31.5A；It is monthly to stop Electric number is：1 time, 2 times, 3 times, 5 times；And it is secondary have a power failure when it is a length of：When 1,1.2 when, 1.5 when, 3 when exemplified by, according to freedom Combination forms the table of comparisons.
Underlying parameter number directly determine can permutation and combination go out the how many kinds of table of comparisons, it is assumed that number of parameters δ, table of comparisons kind Class number is Ω, then
In the embodiment of the present invention, underlying parameter shares 6 kinds, therefore can form 63 kinds of tables of comparisons, table of comparisons species partial altogether It is exemplified below：
（1）Species one：Six parameters, it is respectively：Brand, model, the networking time limit, load, monthly frequency of power cut, secondary stop Electric duration；
（2）Species two：Five parameters, it is respectively：
1）, brand, model, load, monthly frequency of power cut, the secondary duration that has a power failure；
2）, brand, model, the networking time limit, load, monthly frequency of power cut；
3）, brand, model, the networking time limit, load, the secondary duration that has a power failure；
4）, brand, model, the networking time limit, monthly frequency of power cut, the secondary duration that has a power failure；Deng.
（3）Species three：Four parameters, it is respectively：
1）, brand, model, the networking time limit, load；
2）, brand, model, the networking time limit, monthly frequency of power cut；
3）, brand, model, load, monthly frequency of power cut；
4）, brand, model, the networking time limit, the secondary duration that has a power failure；
5）, brand, model, load, the secondary duration that has a power failure；
6）, brand, model, monthly frequency of power cut, the secondary duration that has a power failure；Deng.
（4）Species four：Three parameters, it is respectively：
1）, brand, model, the networking time limit；
2）, brand, model, load；
3）, brand, model, monthly frequency of power cut；
4）, brand, model, the secondary duration that has a power failure；Deng.
（5）Species five：Two parameters, it is respectively：
1）, brand, model；
2）, brand, the networking time limit；
3）, brand, load；Deng.
（6）Species six：One parameter, it is respectively：
1）, brand；
2）, the networking time limit；
3）, load；Deng.
The class situation of the above more than ten is the Partial Species for including and, and the embodiment of the present invention shares 63 according to permutation and combination Class.Each species can be saved in a table of comparisons, without parameter be arranged to empty；It is as shown in the table to compare tableau format：
Step 403, normal state is carried out to effective the history safe-discharge duration and underlying parameter that meet the independent assortment Distributional analysis, determines the mathematical expectation of the normal distribution, the mathematical expectation be meet in the table of comparisons it is described The safe-discharge duration of independent assortment.
Specifically, under the Parameter Conditions for meeting mentioned kind, all safety for meeting the independent assortment condition are put Electric duration carries out statistical analysis；If the distribution situation of Ts value meets normal distribution, the peak of now normal distribution is exactly The predicted value of safe-discharge duration under the Parameter Conditions.Fig. 5 is the normal distribution analysis chart of certain battery, as shown in figure 5, should A length of 5 to 6 hours during the safe-discharge of battery.
In various embodiments of the present invention, during by the first safe-discharge duration and the second safe-discharge that determine battery It is long, to estimate the safe-discharge duration of battery exactly, carried out so as to not reach the battery of requirement to safe-discharge duration Safeguard in time, improve supportability of the base station to case of emergency, improve network running quality, and effectively reduce base station dimension Shield expense and safeguard intensity.
Example IV
The embodiment of the present invention also provides a kind of device for determining storage battery safety electric discharge duration, Fig. 6 embodiment of the present invention four The composition structural representation of the device of storage battery safety electric discharge duration is determined, as shown in fig. 6, first determining unit of device 61, Second determining unit 62 and the 3rd determining unit 63, wherein：
First determining unit 61, the history safe-discharge duration data for the battery according to storage determine First safe-discharge duration T1；
Second determining unit 62, the is determined for searching the preset table of comparisons according to the underlying parameter of the battery Two safe-discharge duration T2；
3rd determining unit 63, for according to Ts=p×T1+(1-p)×T2Determine the safe-discharge of the battery Duration Ts, wherein p is weight coefficient.
In the embodiment of the present invention, described device also includes setting unit and screening unit, wherein：
The setting unit, for setting the screening conditions screened to the history safe-discharge duration data；
The screening unit, for being screened according to the screening conditions to the history safe-discharge duration data, History safe-discharge duration data after screening are stored.
In the embodiment of the present invention, first determining unit includes the first determining module, the second determining module, screening mould Block, order module and the 3rd determining module, wherein：
First determining module, for according to formulaReally Determine the reference weight K of the safe-discharge duration in electric discharge of battery described in ithi, i is more than 0 and whole less than or equal to n in formula Number, n are the total discharge time of battery, LiFor ith power failure duration, TsiPut for the safety described in ith during battery discharging Electric duration, TciFor current time, TeiFor ith power failure end time, IiDuring for this discharge time with adjacent last electric discharge Between time interval, α1、α2、α3Respectively the first predetermined coefficient, the second predetermined coefficient and the 3rd predetermined coefficient；
Second determining module, for according to formulaWhen determining the electric discharge of the first average security Long Ta1, wherein TsiFor safe-discharge duration, the K described in ith during battery dischargingiTo pacify described in ith during battery discharging Full electric discharge duration TsiReference weight；
The screening module, for working as | Tsi-Ta1|/Ta1During >=α, then by TsiCorresponding history safe-discharge duration data Reject, obtain m history safe-discharge duration data, α is preset parameter；
The order module, weight K is referred to for pair corresponding with m history safe-discharge duration dataiFrom big to small It is ranked up, j history safe-discharge duration data, j are less than or equal to m before selection；
3rd determining module, for basisDetermine the second average security electric discharge duration Ta2, the second average security electric discharge duration Ta2As the first safe-discharge duration T1。
In the embodiment of the present invention, described device also includes creating unit, for the history safety according to all batteries Duration data of discharging and underlying parameter create the table of comparisons.
The creating unit includes first processing module, Second processing module and the 3rd processing module, wherein：
The first processing module, for determine all batteries all effective history safe-discharge durations and Underlying parameter；
Here, all effective history safe-discharge duration data of all batteries are determined, including：Can basis The screening conditions of step 201 are screened to the history safe-discharge duration data collected in embodiment two；Then, it is determined that i-th First sample during secondary electric discharge, arithmetic mean of instantaneous value T is sought after removing maximum and minimum value in the first sampleai；When | Tsi-Tai |/TaiDuring >=β, the T is determinedsiFor effective safe-discharge duration, β is preset parameter.
Wherein, first sample includes during the determination ith electric discharge：
Determine that battery total discharge time n, wherein n are more than or equal to contrast sample's number λ, λ and are more than or equal to 3, according to stopping Electric time sequencing is ranked up to history safe-discharge duration data；
Work as i<During n- λ, then take i-th, i+1 ..., i+ λ -1 it is common λ times electric discharge safe-discharge duration as first sample；
Work as i>During=n- λ, then take the n-th-λ+1, n- λ+2 ..., n it is common λ times electric discharge safe-discharge duration as first sample.
In general, number of samples λ can be that 5, β can be 0.3.
The Second processing module, for by the effective history safe-discharge duration and the underlying parameter according to from The table of comparisons is formed by combination；
3rd processing module, for effective history safe-discharge duration and the basis to meeting the independent assortment Parameter carries out normal distribution analysis, determines the mathematical expectation of the normal distribution, the mathematical expectation is the control Meet the safe-discharge duration of the independent assortment in table.
It will be appreciated by those skilled in the art that the device of the determination storage battery safety electric discharge duration shown in Fig. 6 can pass through institute State the computing device such as processor of computer, mobile terminal etc. and realize, can also be realized by specific logic circuit.This hair If bright above-mentioned integrated unit is realized in the form of software function module and as independent production marketing or in use, also may be used To be stored in a computer read/write memory medium.Based on such understanding, the technical scheme essence of the embodiment of the present invention On the part that is contributed in other words to prior art can be embodied in the form of software product, the computer software product It is stored in a storage medium, including some instructions are causing a computer equipment（Can be personal computer, service Device or the network equipment etc.）Perform all or part of each embodiment methods described of the present invention.And foregoing storage medium bag Include：Movable storage device, read-only storage（ROM, Read-Only Memory）, magnetic disc or CD etc. are various can store journey The medium of sequence code.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention.

Claims (8)

  1. A kind of 1. method for determining storage battery safety electric discharge duration, it is characterised in that methods described includes：
    The first safe-discharge duration T is determined according to the history safe-discharge duration data of the battery of storage1；
    The history safe-discharge duration data according to the battery determine the first safe-discharge duration T1, including：
    According to formulaDetermine that battery described in ith is being put The reference weight K of safe-discharge duration when electrici, wherein i is the integer more than 0 and less than or equal to n, and n is the total electric discharge of battery Number, LiFor ith power failure duration, TsiFor the safe-discharge duration described in ith during battery discharging, TciFor current time, TeiHave a power failure the end time for ith, IiFor the time interval of this discharge time and adjacent last discharge time, α1、α2、α3 Respectively the first predetermined coefficient, the second predetermined coefficient, the 3rd predetermined coefficient；
    According to formulaDetermine the first average security electric discharge duration Ta1, wherein KiFor storage described in ith Safe-discharge duration T during battery dischargesiReference weight；
    When | Tsi-Ta1|/Ta1During >=α, by TsiCorresponding history safe-discharge duration data are rejected, and are obtained m history and put safely Electric duration data, α are preset parameter；
    It is pair corresponding with m history safe-discharge duration data with reference to weight KiIt is ranked up from big to small, j history before selection Safe-discharge duration data, j are less than or equal to m；
    According toDetermine the second average security electric discharge duration Ta2, the second average security electric discharge duration Ta2For the first safe-discharge duration T1；
    The preset table of comparisons is searched according to the underlying parameter of the battery and determines the second safe-discharge duration T2；
    According to Ts=p × T1+(1-p)×T2Determine the safe-discharge duration T of the batterys, wherein p is weight coefficient.
  2. 2. according to the method for claim 1, it is characterised in that in the history safety of the battery according to storage Electric discharge duration data determine the first safe-discharge duration T1Before, methods described also includes：
    The screening conditions screened to the history safe-discharge duration data are set, and according to the screening conditions to described History safe-discharge duration data are screened, and the history safe-discharge duration data after screening are stored.
  3. 3. according to the method described in any one of claim 1 to 2, it is characterised in that the basis according to the battery is joined Number searches the preset table of comparisons and determines the second safe-discharge duration T2, including：
    The table of comparisons is created according to the history safe-discharge duration data and underlying parameter of all batteries；
    The preset table of comparisons is searched according to the underlying parameter of the battery and determines the second safe-discharge duration T2。
  4. 4. according to the method for claim 3, it is characterised in that during the history safe-discharge according to all batteries Long data and underlying parameter create the table of comparisons, including：
    Determine all effective history safe-discharge durations and underlying parameter of all batteries；
    By effective history safe-discharge duration and the underlying parameter according to freely forming the table of comparisons；
    Normal distribution analysis is carried out to effective the history safe-discharge duration and underlying parameter for meeting the independent assortment, it is determined that The mathematical expectation of the normal distribution, the mathematical expectation are that the safety for meeting the independent assortment in the table of comparisons is put Electric duration；
    Accordingly, the table of comparisons preset according to the lookup of the underlying parameter of the battery determines the second safe-discharge duration T2, Including：The safe-discharge duration of the independent assortment is determined according to the preset table of comparisons of the underlying parameter of battery lookup, As the second safe-discharge duration T2。
  5. 5. according to the method for claim 4, it is characterised in that described to determine that all of all batteries effectively go through History safe-discharge duration, including：
    First sample during ith electric discharge is determined, arithmetic mean of instantaneous value is sought after removing maximum and minimum value in the first sample Tai；
    When | Tsi-Tai|/TaiDuring >=β, the T is determinedsiFor effective safe-discharge duration, β is preset parameter.
  6. 6. according to the method for claim 5, it is characterised in that first sample during the determination ith electric discharge, including：
    Determine that battery total discharge time n, wherein n are more than or equal to contrast sample's number λ, λ and are more than or equal to 3, during according to having a power failure Between order history safe-discharge duration data are ranked up；
    As i ＜ n- λ, using i-th, i+1 ..., i+ λ -1 it is common λ times electric discharge safe-discharge duration as first sample；
    As i ＞=n- λ, using the n-th-λ+1, n- λ+2 ..., n it is common λ times electric discharge safe-discharge duration as first sample.
  7. 7. a kind of device for determining storage battery safety electric discharge duration, it is characterised in that described device includes the first determining unit, the Two determining units and the 3rd determining unit, wherein：
    First determining unit, the history safe-discharge duration data for the battery according to storage determine the first peace Full electric discharge duration T1；
    First determining unit includes the first determining module, the second determining module, screening module, order module and the 3rd and determined Module, wherein：
    First determining module, for according to formulaDetermine The reference weight K of i battery safe-discharge duration in electric dischargei, i is the integer more than 0 and less than or equal to n in formula, n For the total discharge time of battery, LiFor ith power failure duration, TsiFor described in ith during safe-discharge during battery discharging Long, TciFor current time, TeiFor ith power failure end time, IiFor this discharge time and adjacent last discharge time Time interval, α1、α2、α3Respectively the first predetermined coefficient, the second predetermined coefficient and the 3rd predetermined coefficient；
    Second determining module, for according to formulaDetermine the first average security electric discharge duration Ta1, wherein KiFor safe-discharge duration T during battery discharging described in ithsiReference weight；
    The screening module, for working as | Tsi-Ta1|/Ta1During >=α, then by TsiCorresponding history safe-discharge duration data are rejected, M history safe-discharge duration data are obtained, α is preset parameter；
    The order module, weight K is referred to for pair corresponding with m history safe-discharge duration dataiArranged from big to small Sequence, j history safe-discharge duration data, j are less than or equal to m before selection；
    3rd determining module, for basisDetermine the second average security electric discharge duration Ta2, institute State the second average security electric discharge duration Ta2As the first safe-discharge duration T1；
    Second determining unit, the second safety is determined for searching the preset table of comparisons according to the underlying parameter of the battery Discharge duration T2；
    3rd determining unit, for according to Ts=p × T1+(1-p)×T2Determine the safe-discharge duration T of the batterys, Wherein p is weight coefficient.
  8. 8. device according to claim 7, it is characterised in that described device also includes setting unit and screening unit, its In：
    The setting unit, for setting the screening conditions screened to the history safe-discharge duration data；
    The screening unit, for being screened according to the screening conditions to the history safe-discharge duration data, it will sieve History safe-discharge duration data after choosing are stored.
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